c0cc7f75c050d654aad8100570dd7d940fd6abc6
[asterisk/asterisk.git] / channels / chan_skinny.c
1 /*
2  * Asterisk -- An open source telephony toolkit.
3  *
4  * Copyright (C) 1999 - 2005, Digium, Inc.
5  *
6  * chan_skinny was developed by Jeremy McNamara & Florian Overkamp
7  * chan_skinny was heavily modified/fixed by North Antara
8  *
9  * See http://www.asterisk.org for more information about
10  * the Asterisk project. Please do not directly contact
11  * any of the maintainers of this project for assistance;
12  * the project provides a web site, mailing lists and IRC
13  * channels for your use.
14  *
15  * This program is free software, distributed under the terms of
16  * the GNU General Public License Version 2. See the LICENSE file
17  * at the top of the source tree.
18  */
19
20 /*! \file
21  *
22  * \brief Implementation of the Skinny protocol
23  *
24  * \author Jeremy McNamara & Florian Overkamp & North Antara
25  * \ingroup channel_drivers
26  */
27
28
29 #include "asterisk.h"
30
31 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
32
33 #include <sys/socket.h>
34 #include <netinet/in.h>
35 #include <netinet/tcp.h>
36 #include <sys/ioctl.h>
37 #include <net/if.h>
38 #include <fcntl.h>
39 #include <netdb.h>
40 #include <arpa/inet.h>
41 #include <sys/signal.h>
42 #include <signal.h>
43 #include <ctype.h>
44
45 #include "asterisk/lock.h"
46 #include "asterisk/channel.h"
47 #include "asterisk/config.h"
48 #include "asterisk/module.h"
49 #include "asterisk/pbx.h"
50 #include "asterisk/sched.h"
51 #include "asterisk/io.h"
52 #include "asterisk/rtp.h"
53 #include "asterisk/netsock.h"
54 #include "asterisk/acl.h"
55 #include "asterisk/callerid.h"
56 #include "asterisk/cli.h"
57 #include "asterisk/say.h"
58 #include "asterisk/cdr.h"
59 #include "asterisk/astdb.h"
60 #include "asterisk/features.h"
61 #include "asterisk/app.h"
62 #include "asterisk/musiconhold.h"
63 #include "asterisk/utils.h"
64 #include "asterisk/dsp.h"
65 #include "asterisk/stringfields.h"
66 #include "asterisk/astobj.h"
67 #include "asterisk/abstract_jb.h"
68 #include "asterisk/threadstorage.h"
69 #include "asterisk/devicestate.h"
70
71 /*************************************
72  * Skinny/Asterisk Protocol Settings *
73  *************************************/
74 static const char tdesc[] = "Skinny Client Control Protocol (Skinny)";
75 static const char config[] = "skinny.conf";
76
77 static int default_capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW;
78 static struct ast_codec_pref default_prefs;
79
80 enum skinny_codecs {
81         SKINNY_CODEC_ALAW = 2,
82         SKINNY_CODEC_ULAW = 4,
83         SKINNY_CODEC_G723_1 = 9,
84         SKINNY_CODEC_G729A = 12,
85         SKINNY_CODEC_G726_32 = 82, /* XXX Which packing order does this translate to? */
86         SKINNY_CODEC_H261 = 100,
87         SKINNY_CODEC_H263 = 101
88 };
89
90 #define DEFAULT_SKINNY_PORT     2000
91 #define DEFAULT_SKINNY_BACKLOG  2
92 #define SKINNY_MAX_PACKET       1000
93
94 static unsigned int tos = 0;
95 static unsigned int tos_audio = 0;
96 static unsigned int tos_video = 0;
97 static unsigned int cos = 0;
98 static unsigned int cos_audio = 0;
99 static unsigned int cos_video = 0;
100
101 static int keep_alive = 120;
102 static char vmexten[AST_MAX_EXTENSION];         /* Voicemail pilot number */
103 static char used_context[AST_MAX_EXTENSION];            /* Voicemail pilot number */
104 static char regcontext[AST_MAX_CONTEXT];        /* Context for auto-extension */
105 static char date_format[6] = "D-M-Y";
106 static char version_id[16] = "P002F202";
107
108 #if __BYTE_ORDER == __LITTLE_ENDIAN
109 #define letohl(x) (x)
110 #define letohs(x) (x)
111 #define htolel(x) (x)
112 #define htoles(x) (x)
113 #else
114 #if defined(HAVE_BYTESWAP_H)
115 #include <byteswap.h>
116 #define letohl(x) bswap_32(x)
117 #define letohs(x) bswap_16(x)
118 #define htolel(x) bswap_32(x)
119 #define htoles(x) bswap_16(x)
120 #elif defined(HAVE_SYS_ENDIAN_SWAP16)
121 #include <sys/endian.h>
122 #define letohl(x) __swap32(x)
123 #define letohs(x) __swap16(x)
124 #define htolel(x) __swap32(x)
125 #define htoles(x) __swap16(x)
126 #elif defined(HAVE_SYS_ENDIAN_BSWAP16)
127 #include <sys/endian.h>
128 #define letohl(x) bswap32(x)
129 #define letohs(x) bswap16(x)
130 #define htolel(x) bswap32(x)
131 #define htoles(x) bswap16(x)
132 #else
133 #define __bswap_16(x) \
134         ((((x) & 0xff00) >> 8) | \
135          (((x) & 0x00ff) << 8))
136 #define __bswap_32(x) \
137         ((((x) & 0xff000000) >> 24) | \
138          (((x) & 0x00ff0000) >>  8) | \
139          (((x) & 0x0000ff00) <<  8) | \
140          (((x) & 0x000000ff) << 24))
141 #define letohl(x) __bswap_32(x)
142 #define letohs(x) __bswap_16(x)
143 #define htolel(x) __bswap_32(x)
144 #define htoles(x) __bswap_16(x)
145 #endif
146 #endif
147
148 /*! Global jitterbuffer configuration - by default, jb is disabled */
149 static struct ast_jb_conf default_jbconf =
150 {
151         .flags = 0,
152         .max_size = -1,
153         .resync_threshold = -1,
154         .impl = ""
155 };
156 static struct ast_jb_conf global_jbconf;
157
158 AST_THREADSTORAGE(device2str_threadbuf);
159 #define DEVICE2STR_BUFSIZE   15
160
161 AST_THREADSTORAGE(control2str_threadbuf);
162 #define CONTROL2STR_BUFSIZE   100
163
164 /*********************
165  * Protocol Messages *
166  *********************/
167 /* message types */
168 #define KEEP_ALIVE_MESSAGE 0x0000
169 /* no additional struct */
170
171 #define REGISTER_MESSAGE 0x0001
172 struct register_message {
173         char name[16];
174         uint32_t userId;
175         uint32_t instance;
176         uint32_t ip;
177         uint32_t type;
178         uint32_t maxStreams;
179 };
180
181 #define IP_PORT_MESSAGE 0x0002
182
183 #define KEYPAD_BUTTON_MESSAGE 0x0003
184 struct keypad_button_message {
185         uint32_t button;
186         uint32_t lineInstance;
187         uint32_t callReference;
188 };
189
190
191 #define ENBLOC_CALL_MESSAGE 0x0004
192 struct enbloc_call_message {
193        char calledParty[24];
194 };
195
196 #define STIMULUS_MESSAGE 0x0005
197 struct stimulus_message {
198         uint32_t stimulus;
199         uint32_t stimulusInstance;
200         uint32_t callreference;
201 };
202
203 #define OFFHOOK_MESSAGE 0x0006
204 struct offhook_message {
205         uint32_t unknown1;
206         uint32_t unknown2;
207 };
208
209 #define ONHOOK_MESSAGE 0x0007
210 struct onhook_message {
211         uint32_t unknown1;
212         uint32_t unknown2;
213 };
214
215 #define CAPABILITIES_RES_MESSAGE 0x0010
216 struct station_capabilities {
217         uint32_t codec;
218         uint32_t frames;
219         union {
220                 char res[8];
221                 uint32_t rate;
222         } payloads;
223 };
224
225 #define SKINNY_MAX_CAPABILITIES 18
226
227 struct capabilities_res_message {
228         uint32_t count;
229         struct station_capabilities caps[SKINNY_MAX_CAPABILITIES];
230 };
231
232 #define SPEED_DIAL_STAT_REQ_MESSAGE 0x000A
233 struct speed_dial_stat_req_message {
234         uint32_t speedDialNumber;
235 };
236
237 #define LINE_STATE_REQ_MESSAGE 0x000B
238 struct line_state_req_message {
239         uint32_t lineNumber;
240 };
241
242 #define TIME_DATE_REQ_MESSAGE 0x000D
243 #define BUTTON_TEMPLATE_REQ_MESSAGE 0x000E
244 #define VERSION_REQ_MESSAGE 0x000F
245 #define SERVER_REQUEST_MESSAGE 0x0012
246
247 #define ALARM_MESSAGE 0x0020
248 struct alarm_message {
249         uint32_t alarmSeverity;
250         char displayMessage[80];
251         uint32_t alarmParam1;
252         uint32_t alarmParam2;
253 };
254
255 #define OPEN_RECEIVE_CHANNEL_ACK_MESSAGE 0x0022
256 struct open_receive_channel_ack_message {
257         uint32_t status;
258         uint32_t ipAddr;
259         uint32_t port;
260         uint32_t passThruId;
261 };
262
263 #define SOFT_KEY_SET_REQ_MESSAGE 0x0025
264
265 #define SOFT_KEY_EVENT_MESSAGE 0x0026
266 struct soft_key_event_message {
267         uint32_t softKeyEvent;
268         uint32_t instance;
269         uint32_t callreference;
270 };
271
272 #define UNREGISTER_MESSAGE 0x0027
273 #define SOFT_KEY_TEMPLATE_REQ_MESSAGE 0x0028
274 #define HEADSET_STATUS_MESSAGE 0x002B
275 #define REGISTER_AVAILABLE_LINES_MESSAGE 0x002D
276
277 #define REGISTER_ACK_MESSAGE 0x0081
278 struct register_ack_message {
279         uint32_t keepAlive;
280         char dateTemplate[6];
281         char res[2];
282         uint32_t secondaryKeepAlive;
283         char res2[4];
284 };
285
286 #define START_TONE_MESSAGE 0x0082
287 struct start_tone_message {
288         uint32_t tone;
289         uint32_t space;
290         uint32_t instance;
291         uint32_t reference;
292 };
293
294 #define STOP_TONE_MESSAGE 0x0083
295 struct stop_tone_message {
296         uint32_t instance;
297         uint32_t reference;
298 };
299
300 #define SET_RINGER_MESSAGE 0x0085
301 struct set_ringer_message {
302         uint32_t ringerMode;
303         uint32_t unknown1; /* See notes in transmit_ringer_mode */
304         uint32_t unknown2;
305         uint32_t space[2];
306 };
307
308 #define SET_LAMP_MESSAGE 0x0086
309 struct set_lamp_message {
310         uint32_t stimulus;
311         uint32_t stimulusInstance;
312         uint32_t deviceStimulus;
313 };
314
315 #define SET_SPEAKER_MESSAGE 0x0088
316 struct set_speaker_message {
317         uint32_t mode;
318 };
319
320 /* XXX When do we need to use this? */
321 #define SET_MICROPHONE_MESSAGE 0x0089
322 struct set_microphone_message {
323         uint32_t mode;
324 };
325
326 #define START_MEDIA_TRANSMISSION_MESSAGE 0x008A
327 struct media_qualifier {
328         uint32_t precedence;
329         uint32_t vad;
330         uint16_t packets;
331         uint32_t bitRate;
332 };
333
334 struct start_media_transmission_message {
335         uint32_t conferenceId;
336         uint32_t passThruPartyId;
337         uint32_t remoteIp;
338         uint32_t remotePort;
339         uint32_t packetSize;
340         uint32_t payloadType;
341         struct media_qualifier qualifier;
342         uint32_t space[16];
343 };
344
345 #define STOP_MEDIA_TRANSMISSION_MESSAGE 0x008B
346 struct stop_media_transmission_message {
347         uint32_t conferenceId;
348         uint32_t passThruPartyId;
349         uint32_t space[3];
350 };
351
352 #define CALL_INFO_MESSAGE 0x008F
353 struct call_info_message {
354         char callingPartyName[40];
355         char callingParty[24];
356         char calledPartyName[40];
357         char calledParty[24];
358         uint32_t instance;
359         uint32_t reference;
360         uint32_t type;
361         char originalCalledPartyName[40];
362         char originalCalledParty[24];
363         char lastRedirectingPartyName[40];
364         char lastRedirectingParty[24];
365         uint32_t originalCalledPartyRedirectReason;
366         uint32_t lastRedirectingReason;
367         char callingPartyVoiceMailbox[24];
368         char calledPartyVoiceMailbox[24];
369         char originalCalledPartyVoiceMailbox[24];
370         char lastRedirectingVoiceMailbox[24];
371         uint32_t space[3];
372 };
373
374 #define FORWARD_STAT_MESSAGE 0x0090
375 struct forward_stat_message {
376         uint32_t activeforward;
377         uint32_t lineNumber;
378         uint32_t fwdall;
379         char fwdallnum[24];
380         uint32_t fwdbusy;
381         char fwdbusynum[24];
382         uint32_t fwdnoanswer;
383         char fwdnoanswernum[24];
384 };
385
386 #define SPEED_DIAL_STAT_RES_MESSAGE 0x0091
387 struct speed_dial_stat_res_message {
388         uint32_t speedDialNumber;
389         char speedDialDirNumber[24];
390         char speedDialDisplayName[40];
391 };
392
393 #define LINE_STAT_RES_MESSAGE 0x0092
394 struct line_stat_res_message {
395         uint32_t lineNumber;
396         char lineDirNumber[24];
397         char lineDisplayName[24];
398         uint32_t space[15];
399 };
400
401 #define DEFINETIMEDATE_MESSAGE 0x0094
402 struct definetimedate_message {
403         uint32_t year;  /* since 1900 */
404         uint32_t month;
405         uint32_t dayofweek;     /* monday = 1 */
406         uint32_t day;
407         uint32_t hour;
408         uint32_t minute;
409         uint32_t seconds;
410         uint32_t milliseconds;
411         uint32_t timestamp;
412 };
413
414 #define BUTTON_TEMPLATE_RES_MESSAGE 0x0097
415 struct button_definition {
416         uint8_t instanceNumber;
417         uint8_t buttonDefinition;
418 };
419
420 struct button_definition_template {
421         uint8_t buttonDefinition;
422         /* for now, anything between 0xB0 and 0xCF is custom */
423         /*int custom;*/
424 };
425
426 #define STIMULUS_REDIAL                 0x01
427 #define STIMULUS_SPEEDDIAL              0x02
428 #define STIMULUS_HOLD                   0x03
429 #define STIMULUS_TRANSFER               0x04
430 #define STIMULUS_FORWARDALL             0x05
431 #define STIMULUS_FORWARDBUSY            0x06
432 #define STIMULUS_FORWARDNOANSWER        0x07
433 #define STIMULUS_DISPLAY                0x08
434 #define STIMULUS_LINE                   0x09
435 #define STIMULUS_VOICEMAIL              0x0F
436 #define STIMULUS_AUTOANSWER             0x11
437 #define STIMULUS_DND                    0x3F
438 #define STIMULUS_CONFERENCE             0x7D
439 #define STIMULUS_CALLPARK               0x7E
440 #define STIMULUS_CALLPICKUP             0x7F
441 #define STIMULUS_NONE                   0xFF
442
443 /* Button types */
444 #define BT_REDIAL                       STIMULUS_REDIAL
445 #define BT_SPEEDDIAL                    STIMULUS_SPEEDDIAL
446 #define BT_HOLD                         STIMULUS_HOLD
447 #define BT_TRANSFER                     STIMULUS_TRANSFER
448 #define BT_FORWARDALL                   STIMULUS_FORWARDALL
449 #define BT_FORWARDBUSY                  STIMULUS_FORWARDBUSY
450 #define BT_FORWARDNOANSWER              STIMULUS_FORWARDNOANSWER
451 #define BT_DISPLAY                      STIMULUS_DISPLAY
452 #define BT_LINE                         STIMULUS_LINE
453 #define BT_VOICEMAIL                    STIMULUS_VOICEMAIL
454 #define BT_AUTOANSWER                   STIMULUS_AUTOANSWER
455 #define BT_DND                          STIMULUS_DND
456 #define BT_CONFERENCE                   STIMULUS_CONFERENCE
457 #define BT_CALLPARK                     STIMULUS_CALLPARK
458 #define BT_CALLPICKUP                   STIMULUS_CALLPICKUP
459 #define BT_NONE                         0x00
460
461 /* Custom button types - add our own between 0xB0 and 0xCF.
462    This may need to be revised in the future,
463    if stimuluses are ever added in this range. */
464 #define BT_CUST_LINESPEEDDIAL           0xB0    /* line or speeddial with/without hint */
465 #define BT_CUST_LINE                    0xB1    /* line or speeddial with hint only */
466
467 struct button_template_res_message {
468         uint32_t buttonOffset;
469         uint32_t buttonCount;
470         uint32_t totalButtonCount;
471         struct button_definition definition[42];
472 };
473
474 #define VERSION_RES_MESSAGE 0x0098
475 struct version_res_message {
476         char version[16];
477 };
478
479 #define DISPLAYTEXT_MESSAGE 0x0099
480 struct displaytext_message {
481         char text[40];
482 };
483
484 #define CLEAR_NOTIFY_MESSAGE  0x0115
485 #define CLEAR_DISPLAY_MESSAGE 0x009A
486
487 #define CAPABILITIES_REQ_MESSAGE 0x009B
488
489 #define REGISTER_REJ_MESSAGE 0x009D
490 struct register_rej_message {
491         char errMsg[33];
492 };
493
494 #define SERVER_RES_MESSAGE 0x009E
495 struct server_identifier {
496         char serverName[48];
497 };
498
499 struct server_res_message {
500         struct server_identifier server[5];
501         uint32_t serverListenPort[5];
502         uint32_t serverIpAddr[5];
503 };
504
505 #define RESET_MESSAGE 0x009F
506 struct reset_message {
507         uint32_t resetType;
508 };
509
510 #define KEEP_ALIVE_ACK_MESSAGE 0x0100
511
512 #define OPEN_RECEIVE_CHANNEL_MESSAGE 0x0105
513 struct open_receive_channel_message {
514         uint32_t conferenceId;
515         uint32_t partyId;
516         uint32_t packets;
517         uint32_t capability;
518         uint32_t echo;
519         uint32_t bitrate;
520         uint32_t space[16];
521 };
522
523 #define CLOSE_RECEIVE_CHANNEL_MESSAGE 0x0106
524 struct close_receive_channel_message {
525         uint32_t conferenceId;
526         uint32_t partyId;
527         uint32_t space[2];
528 };
529
530 #define SOFT_KEY_TEMPLATE_RES_MESSAGE 0x0108
531
532 struct soft_key_template_definition {
533         char softKeyLabel[16];
534         uint32_t softKeyEvent;
535 };
536
537 #define KEYDEF_ONHOOK                   0
538 #define KEYDEF_CONNECTED                1
539 #define KEYDEF_ONHOLD                   2
540 #define KEYDEF_RINGIN                   3
541 #define KEYDEF_OFFHOOK                  4
542 #define KEYDEF_CONNWITHTRANS            5
543 #define KEYDEF_DADFD                    6 /* Digits After Dialing First Digit */
544 #define KEYDEF_CONNWITHCONF             7
545 #define KEYDEF_RINGOUT                  8
546 #define KEYDEF_OFFHOOKWITHFEAT          9
547 #define KEYDEF_UNKNOWN                  10
548
549 #define SOFTKEY_NONE                    0x00
550 #define SOFTKEY_REDIAL                  0x01
551 #define SOFTKEY_NEWCALL                 0x02
552 #define SOFTKEY_HOLD                    0x03
553 #define SOFTKEY_TRNSFER                 0x04
554 #define SOFTKEY_CFWDALL                 0x05
555 #define SOFTKEY_CFWDBUSY                0x06
556 #define SOFTKEY_CFWDNOANSWER            0x07
557 #define SOFTKEY_BKSPC                   0x08
558 #define SOFTKEY_ENDCALL                 0x09
559 #define SOFTKEY_RESUME                  0x0A
560 #define SOFTKEY_ANSWER                  0x0B
561 #define SOFTKEY_INFO                    0x0C
562 #define SOFTKEY_CONFRN                  0x0D
563 #define SOFTKEY_PARK                    0x0E
564 #define SOFTKEY_JOIN                    0x0F
565 #define SOFTKEY_MEETME                  0x10
566 #define SOFTKEY_PICKUP                  0x11
567 #define SOFTKEY_GPICKUP                 0x12
568 #define SOFTKEY_DND                     0x13
569 #define SOFTKEY_IDIVERT                 0x14
570
571 struct soft_key_template_definition soft_key_template_default[] = {
572         { "\200\001",           SOFTKEY_REDIAL },
573         { "\200\002",           SOFTKEY_NEWCALL },
574         { "\200\003",           SOFTKEY_HOLD },
575         { "\200\004",           SOFTKEY_TRNSFER },
576         { "\200\005",           SOFTKEY_CFWDALL },
577         { "\200\006",           SOFTKEY_CFWDBUSY },
578         { "\200\007",           SOFTKEY_CFWDNOANSWER },
579         { "\200\010",           SOFTKEY_BKSPC },
580         { "\200\011",           SOFTKEY_ENDCALL },
581         { "\200\012",           SOFTKEY_RESUME },
582         { "\200\013",           SOFTKEY_ANSWER },
583         { "\200\014",           SOFTKEY_INFO },
584         { "\200\015",           SOFTKEY_CONFRN },
585         { "\200\016",           SOFTKEY_PARK },
586         { "\200\017",           SOFTKEY_JOIN },
587         { "\200\020",           SOFTKEY_MEETME },
588         { "\200\021",           SOFTKEY_PICKUP },
589         { "\200\022",           SOFTKEY_GPICKUP },
590         { "\200\077",           SOFTKEY_DND },
591         { "\200\120",           SOFTKEY_IDIVERT },
592 };
593
594 /* Localized message "codes" (in octal)
595    Below is en_US (taken from a 7970)
596
597    \200\xxx
598        \000: ???
599        \001: Redial
600        \002: New Call
601        \003: Hold
602        \004: Transfer
603        \005: CFwdALL
604        \006: CFwdBusy
605        \007: CFwdNoAnswer
606        \010: <<
607        \011: EndCall
608        \012: Resume
609        \013: Answer
610        \014: Info
611        \015: Confrn
612        \016: Park
613        \017: Join
614        \020: MeetMe
615        \021: PickUp
616        \022: GPickUp
617        \023: Your current options
618        \024: Off Hook
619        \025: On Hook
620        \026: Ring out
621        \027: From
622        \030: Connected
623        \031: Busy
624        \032: Line In Use
625        \033: Call Waiting
626        \034: Call Transfer
627        \035: Call Park
628        \036: Call Proceed
629        \037: In Use Remote
630        \040: Enter number
631        \041: Call park At
632        \042: Primary Only
633        \043: Temp Fail
634        \044: You Have VoiceMail
635        \045: Forwarded to
636        \046: Can Not Complete Conference
637        \047: No Conference Bridge
638        \050: Can Not Hold Primary Control
639        \051: Invalid Conference Participant
640        \052: In Conference Already
641        \053: No Participant Info
642        \054: Exceed Maximum Parties
643        \055: Key Is Not Active
644        \056: Error No License
645        \057: Error DBConfig
646        \060: Error Database
647        \061: Error Pass Limit
648        \062: Error Unknown
649        \063: Error Mismatch
650        \064: Conference
651        \065: Park Number
652        \066: Private
653        \067: Not Enough Bandwidth
654        \070: Unknown Number
655        \071: RmLstC
656        \072: Voicemail
657        \073: ImmDiv
658        \074: Intrcpt
659        \075: SetWtch
660        \076: TrnsfVM
661        \077: DND
662        \100: DivAll
663        \101: CallBack
664        \102: Network congestion,rerouting
665        \103: Barge
666        \104: Failed to setup Barge
667        \105: Another Barge exists
668        \106: Incompatible device type
669        \107: No Park Number Available
670        \110: CallPark Reversion
671        \111: Service is not Active
672        \112: High Traffic Try Again Later
673        \113: QRT
674        \114: MCID
675        \115: DirTrfr
676        \116: Select
677        \117: ConfList
678        \120: iDivert
679        \121: cBarge
680        \122: Can Not Complete Transfer
681        \123: Can Not Join Calls
682        \124: Mcid Successful
683        \125: Number Not Configured
684        \126: Security Error
685        \127: Video Bandwidth Unavailable
686        \130: VidMode
687        \131: Max Call Duration Timeout
688        \132: Max Hold Duration Timeout
689        \133: OPickUp
690        \134: ???
691        \135: ???
692        \136: ???
693        \137: ???
694        \140: ???
695        \141: External Transfer Restricted
696        \142: ???
697        \143: ???
698        \144: ???
699        \145: Mac Address
700        \146: Host Name
701        \147: Domain Name
702        \150: IP Address
703        \151: Subnet Mask
704        \152: TFTP Server 1
705        \153: Default Router 1
706        \154: Default Router 2
707        \155: Default Router 3
708        \156: Default Router 4
709        \157: Default Router 5
710        \160: DNS Server 1
711        \161: DNS Server 2
712        \162: DNS Server 3
713        \163: DNS Server 4
714        \164: DNS Server 5
715        \165: Operational VLAN Id
716        \166: Admin. VLAN Id
717        \167: CallManager 1
718        \170: CallManager 2
719        \171: CallManager 3
720        \172: CallManager 4
721        \173: CallManager 5
722        \174: Information URL
723        \175: Directories URL
724        \176: Messages URL
725        \177: Services URL
726  */
727
728 struct soft_key_definitions {
729         const uint8_t mode;
730         const uint8_t *defaults;
731         const int count;
732 };
733
734 static const uint8_t soft_key_default_onhook[] = {
735         SOFTKEY_REDIAL,
736         SOFTKEY_NEWCALL,
737         SOFTKEY_CFWDALL,
738         SOFTKEY_CFWDBUSY,
739         SOFTKEY_DND,
740         /*SOFTKEY_GPICKUP,
741         SOFTKEY_CONFRN,*/
742 };
743
744 static const uint8_t soft_key_default_connected[] = {
745         SOFTKEY_HOLD,
746         SOFTKEY_ENDCALL,
747         SOFTKEY_TRNSFER,
748         SOFTKEY_PARK,
749         SOFTKEY_CFWDALL,
750         SOFTKEY_CFWDBUSY,
751 };
752
753 static const uint8_t soft_key_default_onhold[] = {
754         SOFTKEY_RESUME,
755         SOFTKEY_NEWCALL,
756         SOFTKEY_ENDCALL,
757         SOFTKEY_TRNSFER,
758 };
759
760 static const uint8_t soft_key_default_ringin[] = {
761         SOFTKEY_ANSWER,
762         SOFTKEY_ENDCALL,
763         SOFTKEY_TRNSFER,
764 };
765
766 static const uint8_t soft_key_default_offhook[] = {
767         SOFTKEY_REDIAL,
768         SOFTKEY_ENDCALL,
769         SOFTKEY_CFWDALL,
770         SOFTKEY_CFWDBUSY,
771         /*SOFTKEY_GPICKUP,*/
772 };
773
774 static const uint8_t soft_key_default_connwithtrans[] = {
775         SOFTKEY_HOLD,
776         SOFTKEY_ENDCALL,
777         SOFTKEY_TRNSFER,
778         SOFTKEY_PARK,
779         SOFTKEY_CFWDALL,
780         SOFTKEY_CFWDBUSY,
781 };
782
783 static const uint8_t soft_key_default_dadfd[] = {
784         SOFTKEY_BKSPC,
785         SOFTKEY_ENDCALL,
786 };
787
788 static const uint8_t soft_key_default_connwithconf[] = {
789         SOFTKEY_NONE,
790 };
791
792 static const uint8_t soft_key_default_ringout[] = {
793         SOFTKEY_NONE,
794         SOFTKEY_ENDCALL,
795 };
796
797 static const uint8_t soft_key_default_offhookwithfeat[] = {
798         SOFTKEY_REDIAL,
799         SOFTKEY_ENDCALL,
800 };
801
802 static const uint8_t soft_key_default_unknown[] = {
803         SOFTKEY_NONE,
804 };
805
806 static const struct soft_key_definitions soft_key_default_definitions[] = {
807         {KEYDEF_ONHOOK, soft_key_default_onhook, sizeof(soft_key_default_onhook) / sizeof(uint8_t)},
808         {KEYDEF_CONNECTED, soft_key_default_connected, sizeof(soft_key_default_connected) / sizeof(uint8_t)},
809         {KEYDEF_ONHOLD, soft_key_default_onhold, sizeof(soft_key_default_onhold) / sizeof(uint8_t)},
810         {KEYDEF_RINGIN, soft_key_default_ringin, sizeof(soft_key_default_ringin) / sizeof(uint8_t)},
811         {KEYDEF_OFFHOOK, soft_key_default_offhook, sizeof(soft_key_default_offhook) / sizeof(uint8_t)},
812         {KEYDEF_CONNWITHTRANS, soft_key_default_connwithtrans, sizeof(soft_key_default_connwithtrans) / sizeof(uint8_t)},
813         {KEYDEF_DADFD, soft_key_default_dadfd, sizeof(soft_key_default_dadfd) / sizeof(uint8_t)},
814         {KEYDEF_CONNWITHCONF, soft_key_default_connwithconf, sizeof(soft_key_default_connwithconf) / sizeof(uint8_t)},
815         {KEYDEF_RINGOUT, soft_key_default_ringout, sizeof(soft_key_default_ringout) / sizeof(uint8_t)},
816         {KEYDEF_OFFHOOKWITHFEAT, soft_key_default_offhookwithfeat, sizeof(soft_key_default_offhookwithfeat) / sizeof(uint8_t)},
817         {KEYDEF_UNKNOWN, soft_key_default_unknown, sizeof(soft_key_default_unknown) / sizeof(uint8_t)}
818 };
819
820 struct soft_key_template_res_message {
821         uint32_t softKeyOffset;
822         uint32_t softKeyCount;
823         uint32_t totalSoftKeyCount;
824         struct soft_key_template_definition softKeyTemplateDefinition[32];
825 };
826
827 #define SOFT_KEY_SET_RES_MESSAGE 0x0109
828
829 struct soft_key_set_definition {
830         uint8_t softKeyTemplateIndex[16];
831         uint16_t softKeyInfoIndex[16];
832 };
833
834 struct soft_key_set_res_message {
835         uint32_t softKeySetOffset;
836         uint32_t softKeySetCount;
837         uint32_t totalSoftKeySetCount;
838         struct soft_key_set_definition softKeySetDefinition[16];
839         uint32_t res;
840 };
841
842 #define SELECT_SOFT_KEYS_MESSAGE 0x0110
843 struct select_soft_keys_message {
844         uint32_t instance;
845         uint32_t reference;
846         uint32_t softKeySetIndex;
847         uint32_t validKeyMask;
848 };
849
850 #define CALL_STATE_MESSAGE 0x0111
851 struct call_state_message {
852         uint32_t callState;
853         uint32_t lineInstance;
854         uint32_t callReference;
855         uint32_t space[3];
856 };
857
858 #define DISPLAY_PROMPT_STATUS_MESSAGE 0x0112
859 struct display_prompt_status_message {
860         uint32_t messageTimeout;
861         char promptMessage[32];
862         uint32_t lineInstance;
863         uint32_t callReference;
864 };
865
866 #define CLEAR_PROMPT_MESSAGE  0x0113
867 struct clear_prompt_message {
868        uint32_t lineInstance;
869        uint32_t callReference;
870 };
871
872 #define DISPLAY_NOTIFY_MESSAGE 0x0114
873 struct display_notify_message {
874         uint32_t displayTimeout;
875         char displayMessage[100];
876 };
877
878 #define ACTIVATE_CALL_PLANE_MESSAGE 0x0116
879 struct activate_call_plane_message {
880         uint32_t lineInstance;
881 };
882
883 #define DIALED_NUMBER_MESSAGE 0x011D
884 struct dialed_number_message {
885         char dialedNumber[24];
886         uint32_t lineInstance;
887         uint32_t callReference;
888 };
889
890 union skinny_data {
891         struct alarm_message alarm;
892         struct speed_dial_stat_req_message speeddialreq;
893         struct register_message reg;
894         struct register_ack_message regack;
895         struct register_rej_message regrej;
896         struct capabilities_res_message caps;
897         struct version_res_message version;
898         struct button_template_res_message buttontemplate;
899         struct displaytext_message displaytext;
900         struct display_prompt_status_message displaypromptstatus;
901         struct clear_prompt_message clearpromptstatus;
902         struct definetimedate_message definetimedate;
903         struct start_tone_message starttone;
904         struct stop_tone_message stoptone;
905         struct speed_dial_stat_res_message speeddial;
906         struct line_state_req_message line;
907         struct line_stat_res_message linestat;
908         struct soft_key_set_res_message softkeysets;
909         struct soft_key_template_res_message softkeytemplate;
910         struct server_res_message serverres;
911         struct reset_message reset;
912         struct set_lamp_message setlamp;
913         struct set_ringer_message setringer;
914         struct call_state_message callstate;
915         struct keypad_button_message keypad;
916         struct select_soft_keys_message selectsoftkey;
917         struct activate_call_plane_message activatecallplane;
918         struct stimulus_message stimulus;
919         struct offhook_message offhook;
920         struct onhook_message onhook;
921         struct set_speaker_message setspeaker;
922         struct set_microphone_message setmicrophone;
923         struct call_info_message callinfo;
924         struct start_media_transmission_message startmedia;
925         struct stop_media_transmission_message stopmedia;
926         struct open_receive_channel_message openreceivechannel;
927         struct open_receive_channel_ack_message openreceivechannelack;
928         struct close_receive_channel_message closereceivechannel;
929         struct display_notify_message displaynotify;
930         struct dialed_number_message dialednumber;
931         struct soft_key_event_message softkeyeventmessage;
932         struct enbloc_call_message enbloccallmessage;
933         struct forward_stat_message forwardstat;
934 };
935
936 /* packet composition */
937 struct skinny_req {
938         int len;
939         int res;
940         int e;
941         union skinny_data data;
942 };
943
944 /* XXX This is the combined size of the variables above.  (len, res, e)
945    If more are added, this MUST change.
946    (sizeof(skinny_req) - sizeof(skinny_data)) DOES NOT WORK on all systems (amd64?). */
947 int skinny_header_size = 12;
948
949 /*****************************
950  * Asterisk specific globals *
951  *****************************/
952
953 static int skinnydebug = 0;
954
955 /* a hostname, portnumber, socket and such is usefull for VoIP protocols */
956 static struct sockaddr_in bindaddr;
957 static char ourhost[256];
958 static int ourport;
959 static struct in_addr __ourip;
960 struct ast_hostent ahp;
961 struct hostent *hp;
962 static int skinnysock = -1;
963 static pthread_t accept_t;
964 static char context[AST_MAX_CONTEXT] = "default";
965 static char language[MAX_LANGUAGE] = "";
966 static char mohinterpret[MAX_MUSICCLASS] = "default";
967 static char mohsuggest[MAX_MUSICCLASS] = "";
968 static char cid_num[AST_MAX_EXTENSION] = "";
969 static char cid_name[AST_MAX_EXTENSION] = "";
970 static char linelabel[AST_MAX_EXTENSION] ="";
971 static int nat = 0;
972 static ast_group_t cur_callergroup = 0;
973 static ast_group_t cur_pickupgroup = 0;
974 static int immediate = 0;
975 static int callwaiting = 0;
976 static int callreturn = 0;
977 static int threewaycalling = 0;
978 static int mwiblink = 0;
979 /* This is for flashhook transfers */
980 static int transfer = 0;
981 static int cancallforward = 0;
982 /* static int busycount = 3;*/
983 static char accountcode[AST_MAX_ACCOUNT_CODE] = "";
984 static char mailbox[AST_MAX_EXTENSION];
985 static char regexten[AST_MAX_EXTENSION];
986 static int amaflags = 0;
987 static int callnums = 1;
988 static int canreinvite = 0;
989
990 #define SKINNY_DEVICE_UNKNOWN           -1
991 #define SKINNY_DEVICE_NONE              0
992 #define SKINNY_DEVICE_30SPPLUS          1
993 #define SKINNY_DEVICE_12SPPLUS          2
994 #define SKINNY_DEVICE_12SP              3
995 #define SKINNY_DEVICE_12                4
996 #define SKINNY_DEVICE_30VIP             5
997 #define SKINNY_DEVICE_7910              6
998 #define SKINNY_DEVICE_7960              7
999 #define SKINNY_DEVICE_7940              8
1000 #define SKINNY_DEVICE_7935              9
1001 #define SKINNY_DEVICE_ATA186            12      /* Cisco ATA-186 */
1002 #define SKINNY_DEVICE_7941              115
1003 #define SKINNY_DEVICE_7971              119
1004 #define SKINNY_DEVICE_7985              302
1005 #define SKINNY_DEVICE_7911              307
1006 #define SKINNY_DEVICE_7961GE            308
1007 #define SKINNY_DEVICE_7941GE            309
1008 #define SKINNY_DEVICE_7921              365
1009 #define SKINNY_DEVICE_7905              20000
1010 #define SKINNY_DEVICE_7920              30002
1011 #define SKINNY_DEVICE_7970              30006
1012 #define SKINNY_DEVICE_7912              30007
1013 #define SKINNY_DEVICE_7902              30008
1014 #define SKINNY_DEVICE_CIPC              30016   /* Cisco IP Communicator */
1015 #define SKINNY_DEVICE_7961              30018
1016 #define SKINNY_DEVICE_7936              30019
1017 #define SKINNY_DEVICE_SCCPGATEWAY_AN    30027   /* ??? */
1018 #define SKINNY_DEVICE_SCCPGATEWAY_BRI   30028   /* ??? */
1019
1020 #define SKINNY_SPEAKERON 1
1021 #define SKINNY_SPEAKEROFF 2
1022
1023 #define SKINNY_MICON 1
1024 #define SKINNY_MICOFF 2
1025
1026 #define SKINNY_OFFHOOK 1
1027 #define SKINNY_ONHOOK 2
1028 #define SKINNY_RINGOUT 3
1029 #define SKINNY_RINGIN 4
1030 #define SKINNY_CONNECTED 5
1031 #define SKINNY_BUSY 6
1032 #define SKINNY_CONGESTION 7
1033 #define SKINNY_HOLD 8
1034 #define SKINNY_CALLWAIT 9
1035 #define SKINNY_TRANSFER 10
1036 #define SKINNY_PARK 11
1037 #define SKINNY_PROGRESS 12
1038 #define SKINNY_CALLREMOTEMULTILINE 13
1039 #define SKINNY_INVALID 14
1040
1041 #define SKINNY_SILENCE          0x00
1042 #define SKINNY_DIALTONE         0x21
1043 #define SKINNY_BUSYTONE         0x23
1044 #define SKINNY_ALERT            0x24
1045 #define SKINNY_REORDER          0x25
1046 #define SKINNY_CALLWAITTONE     0x2D
1047 #define SKINNY_NOTONE           0x7F
1048
1049 #define SKINNY_LAMP_OFF 1
1050 #define SKINNY_LAMP_ON 2
1051 #define SKINNY_LAMP_WINK 3
1052 #define SKINNY_LAMP_FLASH 4
1053 #define SKINNY_LAMP_BLINK 5
1054
1055 #define SKINNY_RING_OFF 1
1056 #define SKINNY_RING_INSIDE 2
1057 #define SKINNY_RING_OUTSIDE 3
1058 #define SKINNY_RING_FEATURE 4
1059
1060 #define SKINNY_CFWD_ALL       (1 << 0)
1061 #define SKINNY_CFWD_BUSY      (1 << 1)
1062 #define SKINNY_CFWD_NOANSWER  (1 << 2)
1063
1064 #define TYPE_TRUNK 1
1065 #define TYPE_LINE 2
1066
1067 /* Skinny rtp stream modes. Do we really need this? */
1068 #define SKINNY_CX_SENDONLY      0
1069 #define SKINNY_CX_RECVONLY      1
1070 #define SKINNY_CX_SENDRECV      2
1071 #define SKINNY_CX_CONF          3
1072 #define SKINNY_CX_CONFERENCE    3
1073 #define SKINNY_CX_MUTE          4
1074 #define SKINNY_CX_INACTIVE      4
1075
1076 #if 0
1077 static char *skinny_cxmodes[] = {
1078         "sendonly",
1079         "recvonly",
1080         "sendrecv",
1081         "confrnce",
1082         "inactive"
1083 };
1084 #endif
1085
1086 /* driver scheduler */
1087 static struct sched_context *sched = NULL;
1088 static struct io_context *io;
1089
1090 /* Protect the monitoring thread, so only one process can kill or start it, and not
1091    when it's doing something critical. */
1092 AST_MUTEX_DEFINE_STATIC(monlock);
1093 /* Protect the network socket */
1094 AST_MUTEX_DEFINE_STATIC(netlock);
1095 /* Protect the session list */
1096 AST_MUTEX_DEFINE_STATIC(sessionlock);
1097 /* Protect the device list */
1098 AST_MUTEX_DEFINE_STATIC(devicelock);
1099 #if 0
1100 /* Protect the paging device list */
1101 AST_MUTEX_DEFINE_STATIC(pagingdevicelock);
1102 #endif
1103
1104 /* This is the thread for the monitor which checks for input on the channels
1105    which are not currently in use. */
1106 static pthread_t monitor_thread = AST_PTHREADT_NULL;
1107
1108 /* Wait up to 16 seconds for first digit */
1109 static int firstdigittimeout = 16000;
1110
1111 /* How long to wait for following digits */
1112 static int gendigittimeout = 8000;
1113
1114 /* How long to wait for an extra digit, if there is an ambiguous match */
1115 static int matchdigittimeout = 3000;
1116
1117 struct skinny_subchannel {
1118         ast_mutex_t lock;
1119         struct ast_channel *owner;
1120         struct ast_rtp *rtp;
1121         struct ast_rtp *vrtp;
1122         unsigned int callid;
1123         /* time_t lastouttime; */                       /* Unused */
1124         int progress;
1125         int ringing;
1126         int onhold;
1127         /* int lastout; */                              /* Unused */
1128         int cxmode;
1129         int nat;
1130         int outgoing;
1131         int alreadygone;
1132
1133         struct skinny_subchannel *next;
1134         struct skinny_line *parent;
1135 };
1136
1137 struct skinny_line {
1138         ast_mutex_t lock;
1139         char name[80];
1140         char label[24];                                 /* Label that shows next to the line buttons */
1141         char accountcode[AST_MAX_ACCOUNT_CODE];
1142         char exten[AST_MAX_EXTENSION];                  /* Extension where to start */
1143         char context[AST_MAX_CONTEXT];
1144         char language[MAX_LANGUAGE];
1145         char cid_num[AST_MAX_EXTENSION];                /* Caller*ID */
1146         char cid_name[AST_MAX_EXTENSION];               /* Caller*ID */
1147         char lastcallerid[AST_MAX_EXTENSION];           /* Last Caller*ID */
1148         int cfwdtype;
1149         char call_forward_all[AST_MAX_EXTENSION];
1150         char call_forward_busy[AST_MAX_EXTENSION];
1151         char call_forward_noanswer[AST_MAX_EXTENSION];
1152         char mailbox[AST_MAX_EXTENSION];
1153         char vmexten[AST_MAX_EXTENSION];
1154         char regexten[AST_MAX_EXTENSION];               /* Extension for auto-extensions */
1155         char regcontext[AST_MAX_CONTEXT];               /* Context for auto-extensions */
1156         char mohinterpret[MAX_MUSICCLASS];
1157         char mohsuggest[MAX_MUSICCLASS];
1158         char lastnumberdialed[AST_MAX_EXTENSION];       /* Last number that was dialed - used for redial */
1159         int curtone;                                    /* Current tone being played */
1160         ast_group_t callgroup;
1161         ast_group_t pickupgroup;
1162         int callwaiting;
1163         int transfer;
1164         int threewaycalling;
1165         int mwiblink;
1166         int cancallforward;
1167         int getforward;
1168         int callreturn;
1169         int dnd; /* How does this affect callwait?  Do we just deny a skinny_request if we're dnd? */
1170         int hascallerid;
1171         int hidecallerid;
1172         int amaflags;
1173         int type;
1174         int instance;
1175         int group;
1176         int needdestroy;
1177         int capability;
1178         int nonCodecCapability;
1179         int onhooktime;
1180         int msgstate;                                   /* voicemail message state */
1181         int immediate;
1182         int hookstate;
1183         int nat;
1184         int canreinvite;
1185
1186         struct ast_codec_pref prefs;
1187         struct skinny_subchannel *sub;
1188         struct skinny_line *next;
1189         struct skinny_device *parent;
1190         struct ast_variable *chanvars;          /*!< Channel variables to set for inbound call */
1191 };
1192
1193 struct skinny_speeddial {
1194         ast_mutex_t lock;
1195         char label[42];
1196         char context[AST_MAX_CONTEXT];
1197         char exten[AST_MAX_EXTENSION];
1198         int instance;
1199         int stateid;
1200         int laststate;
1201         int isHint;
1202
1203         struct skinny_speeddial *next;
1204         struct skinny_device *parent;
1205 };
1206
1207 struct skinny_addon {
1208         ast_mutex_t lock;
1209         char type[10];
1210
1211         struct skinny_addon *next;
1212         struct skinny_device *parent;
1213 };
1214
1215 static struct skinny_device {
1216         /* A device containing one or more lines */
1217         char name[80];
1218         char id[16];
1219         char version_id[16];
1220         char exten[AST_MAX_EXTENSION];          /* Cruddy variable name, pick a better one */
1221         int type;
1222         int registered;
1223         int lastlineinstance;
1224         int lastcallreference;
1225         int capability;
1226         int earlyrtp;
1227         struct sockaddr_in addr;
1228         struct in_addr ourip;
1229         struct skinny_line *lines;
1230         struct skinny_speeddial *speeddials;
1231         struct skinny_addon *addons;
1232         struct ast_codec_pref prefs;
1233         struct ast_ha *ha;
1234         struct skinnysession *session;
1235         struct skinny_device *next;
1236 } *devices = NULL;
1237
1238 struct skinny_paging_device {
1239         char name[80];
1240         char id[16];
1241         struct skinny_device ** devices;
1242         struct skinny_paging_device *next;
1243 };
1244
1245 static struct skinnysession {
1246         pthread_t t;
1247         ast_mutex_t lock;
1248         struct sockaddr_in sin;
1249         int fd;
1250         char inbuf[SKINNY_MAX_PACKET];
1251         char outbuf[SKINNY_MAX_PACKET];
1252         struct skinny_device *device;
1253         struct skinnysession *next;
1254 } *sessions = NULL;
1255
1256 static struct ast_channel *skinny_request(const char *type, int format, void *data, int *cause);
1257 static int skinny_devicestate(void *data);
1258 static int skinny_call(struct ast_channel *ast, char *dest, int timeout);
1259 static int skinny_hangup(struct ast_channel *ast);
1260 static int skinny_answer(struct ast_channel *ast);
1261 static struct ast_frame *skinny_read(struct ast_channel *ast);
1262 static int skinny_write(struct ast_channel *ast, struct ast_frame *frame);
1263 static int skinny_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen);
1264 static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
1265 static int skinny_senddigit_begin(struct ast_channel *ast, char digit);
1266 static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration);
1267 static int handle_time_date_req_message(struct skinny_req *req, struct skinnysession *s);
1268
1269 static const struct ast_channel_tech skinny_tech = {
1270         .type = "Skinny",
1271         .description = tdesc,
1272         .capabilities = AST_FORMAT_AUDIO_MASK,
1273         .properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER,
1274         .requester = skinny_request,
1275         .devicestate = skinny_devicestate,
1276         .call = skinny_call,
1277         .hangup = skinny_hangup,
1278         .answer = skinny_answer,
1279         .read = skinny_read,
1280         .write = skinny_write,
1281         .indicate = skinny_indicate,
1282         .fixup = skinny_fixup,
1283         .send_digit_begin = skinny_senddigit_begin,
1284         .send_digit_end = skinny_senddigit_end,
1285         .bridge = ast_rtp_bridge,  
1286 };
1287
1288 static int skinny_extensionstate_cb(char *context, char* exten, int state, void *data);
1289
1290 static void *get_button_template(struct skinnysession *s, struct button_definition_template *btn)
1291 {
1292         struct skinny_device *d = s->device;
1293         struct skinny_addon *a = d->addons;
1294         int i;
1295
1296         switch (d->type) {
1297                 case SKINNY_DEVICE_30SPPLUS:
1298                 case SKINNY_DEVICE_30VIP:
1299                         /* 13 rows, 2 columns */
1300                         for (i = 0; i < 4; i++)
1301                                 (btn++)->buttonDefinition = BT_CUST_LINE;
1302                         (btn++)->buttonDefinition = BT_REDIAL;
1303                         (btn++)->buttonDefinition = BT_VOICEMAIL;
1304                         (btn++)->buttonDefinition = BT_CALLPARK;
1305                         (btn++)->buttonDefinition = BT_FORWARDALL;
1306                         (btn++)->buttonDefinition = BT_CONFERENCE;
1307                         for (i = 0; i < 4; i++)
1308                                 (btn++)->buttonDefinition = BT_NONE;
1309                         for (i = 0; i < 13; i++)
1310                                 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1311                         
1312                         break;
1313                 case SKINNY_DEVICE_12SPPLUS:
1314                 case SKINNY_DEVICE_12SP:
1315                 case SKINNY_DEVICE_12:
1316                         /* 6 rows, 2 columns */
1317                         for (i = 0; i < 2; i++)
1318                                 (btn++)->buttonDefinition = BT_CUST_LINE;
1319                         for (i = 0; i < 4; i++)
1320                                 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1321                         (btn++)->buttonDefinition = BT_HOLD;
1322                         (btn++)->buttonDefinition = BT_REDIAL;
1323                         (btn++)->buttonDefinition = BT_TRANSFER;
1324                         (btn++)->buttonDefinition = BT_FORWARDALL;
1325                         (btn++)->buttonDefinition = BT_CALLPARK;
1326                         (btn++)->buttonDefinition = BT_VOICEMAIL;
1327                         break;
1328                 case SKINNY_DEVICE_7910:
1329                         (btn++)->buttonDefinition = BT_LINE;
1330                         (btn++)->buttonDefinition = BT_HOLD;
1331                         (btn++)->buttonDefinition = BT_TRANSFER;
1332                         (btn++)->buttonDefinition = BT_DISPLAY;
1333                         (btn++)->buttonDefinition = BT_VOICEMAIL;
1334                         (btn++)->buttonDefinition = BT_CONFERENCE;
1335                         (btn++)->buttonDefinition = BT_FORWARDALL;
1336                         for (i = 0; i < 2; i++)
1337                                 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1338                         (btn++)->buttonDefinition = BT_REDIAL;
1339                         break;
1340                 case SKINNY_DEVICE_7960:
1341                 case SKINNY_DEVICE_7961:
1342                 case SKINNY_DEVICE_7961GE:
1343                         for (i = 0; i < 6; i++)
1344                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1345                         break;
1346                 case SKINNY_DEVICE_7940:
1347                 case SKINNY_DEVICE_7941:
1348                 case SKINNY_DEVICE_7941GE:
1349                         for (i = 0; i < 2; i++)
1350                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1351                         break;
1352                 case SKINNY_DEVICE_7935:
1353                 case SKINNY_DEVICE_7936:
1354                         for (i = 0; i < 2; i++)
1355                                 (btn++)->buttonDefinition = BT_LINE;
1356                         break;
1357                 case SKINNY_DEVICE_ATA186:
1358                         (btn++)->buttonDefinition = BT_LINE;
1359                         break;
1360                 case SKINNY_DEVICE_7970:
1361                 case SKINNY_DEVICE_7971:
1362                 case SKINNY_DEVICE_CIPC:
1363                         for (i = 0; i < 8; i++)
1364                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1365                         break;
1366                 case SKINNY_DEVICE_7985:
1367                         /* XXX I have no idea what the buttons look like on these. */
1368                         ast_log(LOG_WARNING, "Unsupported device type '%d (7985)' found.\n", d->type);
1369                         break;
1370                 case SKINNY_DEVICE_7912:
1371                 case SKINNY_DEVICE_7911:
1372                 case SKINNY_DEVICE_7905:
1373                         (btn++)->buttonDefinition = BT_LINE;
1374                         (btn++)->buttonDefinition = BT_HOLD;
1375                         break;
1376                 case SKINNY_DEVICE_7920:
1377                         /* XXX I don't know if this is right. */
1378                         for (i = 0; i < 4; i++)
1379                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1380                         break;
1381                 case SKINNY_DEVICE_7921:
1382                         for (i = 0; i < 6; i++)
1383                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1384                         break;
1385                 case SKINNY_DEVICE_7902:
1386                         ast_log(LOG_WARNING, "Unsupported device type '%d (7902)' found.\n", d->type);
1387                         break;
1388                 case SKINNY_DEVICE_SCCPGATEWAY_AN:
1389                 case SKINNY_DEVICE_SCCPGATEWAY_BRI:
1390                         ast_log(LOG_WARNING, "Unsupported device type '%d (SCCP gateway)' found.\n", d->type);
1391                         break;
1392                 default:
1393                         ast_log(LOG_WARNING, "Unknown device type '%d' found.\n", d->type);
1394                         break;
1395         }
1396
1397         for (a = d->addons; a; a = a->next) {
1398                 if (!strcasecmp(a->type, "7914")) {
1399                         for (i = 0; i < 14; i++)
1400                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1401                 } else {
1402                         ast_log(LOG_WARNING, "Unknown addon type '%s' found.  Skipping.\n", a->type);
1403                 }
1404         }
1405
1406         return btn;
1407 }
1408
1409 static struct skinny_req *req_alloc(size_t size, int response_message)
1410 {
1411         struct skinny_req *req;
1412
1413         if (!(req = ast_calloc(1, skinny_header_size + size + 4)))
1414                 return NULL;
1415
1416         req->len = htolel(size+4);
1417         req->e = htolel(response_message);
1418
1419         return req;
1420 }
1421
1422 static struct skinny_line *find_line_by_instance(struct skinny_device *d, int instance)
1423 {
1424         struct skinny_line *l;
1425
1426         /*Dialing from on hook or on a 7920 uses instance 0 in requests
1427           but we need to start looking at instance 1 */
1428
1429         if (!instance)
1430                 instance = 1;
1431
1432         for (l = d->lines; l; l = l->next) {
1433                 if (l->instance == instance)
1434                         break;
1435         }
1436
1437         if (!l) {
1438                 ast_log(LOG_WARNING, "Could not find line with instance '%d' on device '%s'\n", instance, d->name);
1439         }
1440         return l;
1441 }
1442
1443 static struct skinny_line *find_line_by_name(const char *dest)
1444 {
1445         struct skinny_line *l;
1446         struct skinny_line *tmpl = NULL;
1447         struct skinny_device *d;
1448         char line[256];
1449         char *at;
1450         char *device;
1451         int checkdevice = 0;
1452
1453         ast_copy_string(line, dest, sizeof(line));
1454         at = strchr(line, '@');
1455         if (at)
1456                 *at++ = '\0';
1457         device = at;
1458
1459         if (!ast_strlen_zero(device))
1460                 checkdevice = 1;
1461
1462         ast_mutex_lock(&devicelock);
1463         for (d = devices; d; d = d->next) {
1464                 if (checkdevice && tmpl)
1465                         break;
1466                 else if (!checkdevice) {
1467                         /* This is a match, since we're checking for line on every device. */
1468                 } else if (!strcasecmp(d->name, device)) {
1469                         if (skinnydebug)
1470                                 ast_verb(2, "Found device: %s\n", d->name);
1471                 } else
1472                         continue;
1473
1474                 /* Found the device (or we don't care which device) */
1475                 for (l = d->lines; l; l = l->next) {
1476                         /* Search for the right line */
1477                         if (!strcasecmp(l->name, line)) {
1478                                 if (tmpl) {
1479                                         ast_verb(2, "Ambiguous line name: %s\n", line);
1480                                         ast_mutex_unlock(&devicelock);
1481                                         return NULL;
1482                                 } else
1483                                         tmpl = l;
1484                         }
1485                 }
1486         }
1487         ast_mutex_unlock(&devicelock);
1488         return tmpl;
1489 }
1490
1491 /*!
1492  * implement the setvar config line
1493  */
1494 static struct ast_variable *add_var(const char *buf, struct ast_variable *list)
1495 {
1496         struct ast_variable *tmpvar = NULL;
1497         char *varname = ast_strdupa(buf), *varval = NULL;
1498
1499         if ((varval = strchr(varname,'='))) {
1500                 *varval++ = '\0';
1501                 if ((tmpvar = ast_variable_new(varname, varval, ""))) {
1502                         tmpvar->next = list;
1503                         list = tmpvar;
1504                 }
1505         }
1506         return list;
1507 }
1508
1509 /* It's quicker/easier to find the subchannel when we know the instance number too */
1510 static struct skinny_subchannel *find_subchannel_by_instance_reference(struct skinny_device *d, int instance, int reference)
1511 {
1512         struct skinny_line *l = find_line_by_instance(d, instance);
1513         struct skinny_subchannel *sub;
1514
1515         if (!l) {
1516                 return NULL;
1517         }
1518
1519         /* 7920 phones set call reference to 0, so use the first
1520            sub-channel on the list.
1521            This MIGHT need more love to be right */
1522         if (!reference)
1523                 sub = l->sub;
1524         else {
1525                 for (sub = l->sub; sub; sub = sub->next) {
1526                         if (sub->callid == reference)
1527                                 break;
1528                 }
1529         }
1530         if (!sub) {
1531                 ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s'\n", reference, d->name);
1532         }
1533         return sub;
1534 }
1535
1536 /* Find the subchannel when we only have the callid - this shouldn't happen often */
1537 static struct skinny_subchannel *find_subchannel_by_reference(struct skinny_device *d, int reference)
1538 {
1539         struct skinny_line *l;
1540         struct skinny_subchannel *sub = NULL;
1541
1542         for (l = d->lines; l; l = l->next) {
1543                 for (sub = l->sub; sub; sub = sub->next) {
1544                         if (sub->callid == reference)
1545                                 break;
1546                 }
1547                 if (sub)
1548                         break;
1549         }
1550
1551         if (!l) {
1552                 ast_log(LOG_WARNING, "Could not find any lines that contained a subchannel with reference '%d' on device '%s'\n", reference, d->name);
1553         } else {
1554                 if (!sub) {
1555                         ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s@%s'\n", reference, l->name, d->name);
1556                 }
1557         }
1558         return sub;
1559 }
1560
1561 static struct skinny_speeddial *find_speeddial_by_instance(struct skinny_device *d, int instance, int isHint)
1562 {
1563         struct skinny_speeddial *sd;
1564
1565         for (sd = d->speeddials; sd; sd = sd->next) {
1566                 if (sd->isHint == isHint && sd->instance == instance)
1567                         break;
1568         }
1569
1570         if (!sd) {
1571                 ast_log(LOG_WARNING, "Could not find speeddial with instance '%d' on device '%s'\n", instance, d->name);
1572         }
1573         return sd;
1574 }
1575
1576 static int codec_skinny2ast(enum skinny_codecs skinnycodec)
1577 {
1578         switch (skinnycodec) {
1579         case SKINNY_CODEC_ALAW:
1580                 return AST_FORMAT_ALAW;
1581         case SKINNY_CODEC_ULAW:
1582                 return AST_FORMAT_ULAW;
1583         case SKINNY_CODEC_G723_1:
1584                 return AST_FORMAT_G723_1;
1585         case SKINNY_CODEC_G729A:
1586                 return AST_FORMAT_G729A;
1587         case SKINNY_CODEC_G726_32:
1588                 return AST_FORMAT_G726_AAL2; /* XXX Is this right? */
1589         case SKINNY_CODEC_H261:
1590                 return AST_FORMAT_H261;
1591         case SKINNY_CODEC_H263:
1592                 return AST_FORMAT_H263;
1593         default:
1594                 return 0;
1595         }
1596 }
1597
1598 static int codec_ast2skinny(int astcodec)
1599 {
1600         switch (astcodec) {
1601         case AST_FORMAT_ALAW:
1602                 return SKINNY_CODEC_ALAW;
1603         case AST_FORMAT_ULAW:
1604                 return SKINNY_CODEC_ULAW;
1605         case AST_FORMAT_G723_1:
1606                 return SKINNY_CODEC_G723_1;
1607         case AST_FORMAT_G729A:
1608                 return SKINNY_CODEC_G729A;
1609         case AST_FORMAT_G726_AAL2: /* XXX Is this right? */
1610                 return SKINNY_CODEC_G726_32;
1611         case AST_FORMAT_H261:
1612                 return SKINNY_CODEC_H261;
1613         case AST_FORMAT_H263:
1614                 return SKINNY_CODEC_H263;
1615         default:
1616                 return 0;
1617         }
1618 }
1619
1620 static int set_callforwards(struct skinny_line *l, const char *cfwd, int cfwdtype)
1621 {
1622         if (!l)
1623                 return 0;
1624
1625         if (!ast_strlen_zero(cfwd)) {
1626                 if (cfwdtype & SKINNY_CFWD_ALL) {
1627                         l->cfwdtype |= SKINNY_CFWD_ALL;
1628                         ast_copy_string(l->call_forward_all, cfwd, sizeof(l->call_forward_all));
1629                 }
1630                 if (cfwdtype & SKINNY_CFWD_BUSY) {
1631                         l->cfwdtype |= SKINNY_CFWD_BUSY;
1632                         ast_copy_string(l->call_forward_busy, cfwd, sizeof(l->call_forward_busy));
1633                 }
1634                 if (cfwdtype & SKINNY_CFWD_NOANSWER) {
1635                         l->cfwdtype |= SKINNY_CFWD_NOANSWER;
1636                         ast_copy_string(l->call_forward_noanswer, cfwd, sizeof(l->call_forward_noanswer));
1637                 }
1638         } else {
1639                 if (cfwdtype & SKINNY_CFWD_ALL) {
1640                         l->cfwdtype &= ~SKINNY_CFWD_ALL;
1641                         memset(l->call_forward_all, 0, sizeof(l->call_forward_all));
1642                 }
1643                 if (cfwdtype & SKINNY_CFWD_BUSY) {
1644                         l->cfwdtype &= ~SKINNY_CFWD_BUSY;
1645                         memset(l->call_forward_busy, 0, sizeof(l->call_forward_busy));
1646                 }
1647                 if (cfwdtype & SKINNY_CFWD_NOANSWER) {
1648                         l->cfwdtype &= ~SKINNY_CFWD_NOANSWER;
1649                         memset(l->call_forward_noanswer, 0, sizeof(l->call_forward_noanswer));
1650                 }
1651         }
1652         return l->cfwdtype;
1653 }
1654
1655 static void cleanup_stale_contexts(char *new, char *old)
1656 {
1657         char *oldcontext, *newcontext, *stalecontext, *stringp, newlist[AST_MAX_CONTEXT];
1658
1659         while ((oldcontext = strsep(&old, "&"))) {
1660                 stalecontext = '\0';
1661                 ast_copy_string(newlist, new, sizeof(newlist));
1662                 stringp = newlist;
1663                 while ((newcontext = strsep(&stringp, "&"))) {
1664                         if (strcmp(newcontext, oldcontext) == 0) {
1665                                 /* This is not the context you're looking for */
1666                                 stalecontext = '\0';
1667                                 break;
1668                         } else if (strcmp(newcontext, oldcontext)) {
1669                                 stalecontext = oldcontext;
1670                         }
1671                         
1672                 }
1673                 if (stalecontext)
1674                         ast_context_destroy(ast_context_find(stalecontext), "Skinny");
1675         }
1676 }
1677
1678 static void register_exten(struct skinny_line *l)
1679 {
1680         char multi[256];
1681         char *stringp, *ext, *context;
1682
1683         if (ast_strlen_zero(regcontext))
1684                 return;
1685
1686         ast_copy_string(multi, S_OR(l->regexten, l->name), sizeof(multi));
1687         stringp = multi;
1688         while ((ext = strsep(&stringp, "&"))) {
1689                 if ((context = strchr(ext, '@'))) {
1690                         *context++ = '\0';      /* split ext@context */
1691                         if (!ast_context_find(context)) {
1692                                 ast_log(LOG_WARNING, "Context %s must exist in regcontext= in skinny.conf!\n", context);
1693                                 continue;
1694                         }
1695                 } else {
1696                         context = regcontext;
1697                 }
1698                 ast_add_extension(context, 1, ext, 1, NULL, NULL, "Noop",
1699                          ast_strdup(l->name), ast_free_ptr, "Skinny");
1700         }
1701 }
1702
1703 static void unregister_exten(struct skinny_line *l)
1704 {
1705         char multi[256];
1706         char *stringp, *ext, *context;
1707
1708         if (ast_strlen_zero(regcontext))
1709                 return;
1710
1711         ast_copy_string(multi, S_OR(l->regexten, l->name), sizeof(multi));
1712         stringp = multi;
1713         while ((ext = strsep(&stringp, "&"))) {
1714                 if ((context = strchr(ext, '@'))) {
1715                         *context++ = '\0';      /* split ext@context */
1716                         if (!ast_context_find(context)) {
1717                                 ast_log(LOG_WARNING, "Context %s must exist in regcontext= in skinny.conf!\n", context);
1718                                 continue;
1719                         }
1720                 } else {
1721                         context = regcontext;
1722                 }
1723                 ast_context_remove_extension(context, ext, 1, NULL);
1724         }
1725 }
1726
1727 static int skinny_register(struct skinny_req *req, struct skinnysession *s)
1728 {
1729         struct skinny_device *d;
1730         struct skinny_line *l;
1731         struct skinny_speeddial *sd;
1732         struct sockaddr_in sin;
1733         socklen_t slen;
1734
1735         ast_mutex_lock(&devicelock);
1736         for (d = devices; d; d = d->next) {
1737                 if (!strcasecmp(req->data.reg.name, d->id)
1738                                 && ast_apply_ha(d->ha, &(s->sin))) {
1739                         s->device = d;
1740                         d->type = letohl(req->data.reg.type);
1741                         if (ast_strlen_zero(d->version_id)) {
1742                                 ast_copy_string(d->version_id, version_id, sizeof(d->version_id));
1743                         }
1744                         d->registered = 1;
1745                         d->session = s;
1746
1747                         slen = sizeof(sin);
1748                         if (getsockname(s->fd, (struct sockaddr *)&sin, &slen)) {
1749                                 ast_log(LOG_WARNING, "Cannot get socket name\n");
1750                                 sin.sin_addr = __ourip;
1751                         }
1752                         d->ourip = sin.sin_addr;
1753
1754                         for (sd = d->speeddials; sd; sd = sd->next) {
1755                                 sd->stateid = ast_extension_state_add(sd->context, sd->exten, skinny_extensionstate_cb, sd);
1756                         }
1757                         for (l = d->lines; l; l = l->next) {
1758                                 register_exten(l);
1759                                 ast_device_state_changed("Skinny/%s@%s", l->name, d->name);
1760                         }
1761                         break;
1762                 }
1763         }
1764         ast_mutex_unlock(&devicelock);
1765         if (!d) {
1766                 return 0;
1767         }
1768         return 1;
1769 }
1770
1771 static int skinny_unregister(struct skinny_req *req, struct skinnysession *s)
1772 {
1773         struct skinny_device *d;
1774         struct skinny_line *l;
1775         struct skinny_speeddial *sd;
1776
1777         d = s->device;
1778
1779         if (d) {
1780                 d->session = NULL;
1781                 d->registered = 0;
1782
1783                 for (sd = d->speeddials; sd; sd = sd->next) {
1784                         if (sd->stateid > -1)
1785                                 ast_extension_state_del(sd->stateid, NULL);
1786                 }
1787                 for (l = d->lines; l; l = l->next) {
1788                         unregister_exten(l);
1789                         ast_device_state_changed("Skinny/%s@%s", l->name, d->name);
1790                 }
1791         }
1792
1793         return -1; /* main loop will destroy the session */
1794 }
1795
1796 static int transmit_response(struct skinnysession *s, struct skinny_req *req)
1797 {
1798         int res = 0;
1799
1800         if (!s) {
1801                 ast_log(LOG_WARNING, "Asked to transmit to a non-existant session!\n");
1802                 return -1;
1803         }
1804
1805         ast_mutex_lock(&s->lock);
1806
1807         if (skinnydebug)
1808                 ast_log(LOG_VERBOSE, "writing packet type %04X (%d bytes) to socket %d\n", letohl(req->e), letohl(req->len)+8, s->fd);
1809
1810         if (letohl(req->len > SKINNY_MAX_PACKET) || letohl(req->len < 0)) {
1811                 ast_log(LOG_WARNING, "transmit_response: the length of the request is out of bounds\n");
1812                 return -1;
1813         }
1814
1815         memset(s->outbuf,0,sizeof(s->outbuf));
1816         memcpy(s->outbuf, req, skinny_header_size);
1817         memcpy(s->outbuf+skinny_header_size, &req->data, letohl(req->len));
1818
1819         res = write(s->fd, s->outbuf, letohl(req->len)+8);
1820
1821         if (res != letohl(req->len)+8) {
1822                 ast_log(LOG_WARNING, "Transmit: write only sent %d out of %d bytes: %s\n", res, letohl(req->len)+8, strerror(errno));
1823                 if (res == -1) {
1824                         if (skinnydebug)
1825                                 ast_log(LOG_WARNING, "Transmit: Skinny Client was lost, unregistering\n");
1826                         skinny_unregister(NULL, s);
1827                 }
1828                 
1829         }
1830         
1831         ast_mutex_unlock(&s->lock);
1832         return 1;
1833 }
1834
1835 static void transmit_speaker_mode(struct skinnysession *s, int mode)
1836 {
1837         struct skinny_req *req;
1838
1839         if (!(req = req_alloc(sizeof(struct set_speaker_message), SET_SPEAKER_MESSAGE)))
1840                 return;
1841
1842         req->data.setspeaker.mode = htolel(mode);
1843         transmit_response(s, req);
1844 }
1845 /*
1846 static void transmit_microphone_mode(struct skinnysession *s, int mode)
1847 {
1848         struct skinny_req *req;
1849
1850         if (!(req = req_alloc(sizeof(struct set_microphone_message), SET_MICROPHONE_MESSAGE)))
1851                 return;
1852
1853         req->data.setmicrophone.mode = htolel(mode);
1854         transmit_response(s, req);
1855 }
1856 */
1857
1858 static void transmit_callinfo(struct skinnysession *s, const char *fromname, const char *fromnum, const char *toname, const char *tonum, int instance, int callid, int calltype)
1859 {
1860         struct skinny_req *req;
1861
1862         if (!(req = req_alloc(sizeof(struct call_info_message), CALL_INFO_MESSAGE)))
1863                 return;
1864
1865         if (skinnydebug)
1866                         ast_debug(1, "Setting Callinfo to %s(%s) from %s(%s) on %s(%d)\n", fromname, fromnum, toname, tonum, s->device->name, instance);
1867
1868         if (fromname) {
1869                 ast_copy_string(req->data.callinfo.callingPartyName, fromname, sizeof(req->data.callinfo.callingPartyName));
1870         }
1871         if (fromnum) {
1872                 ast_copy_string(req->data.callinfo.callingParty, fromnum, sizeof(req->data.callinfo.callingParty));
1873         }
1874         if (toname) {
1875                 ast_copy_string(req->data.callinfo.calledPartyName, toname, sizeof(req->data.callinfo.calledPartyName));
1876         }
1877         if (tonum) {
1878                 ast_copy_string(req->data.callinfo.calledParty, tonum, sizeof(req->data.callinfo.calledParty));
1879         }
1880         req->data.callinfo.instance = htolel(instance);
1881         req->data.callinfo.reference = htolel(callid);
1882         req->data.callinfo.type = htolel(calltype);
1883         transmit_response(s, req);
1884 }
1885
1886 static void transmit_connect(struct skinnysession *s, struct skinny_subchannel *sub)
1887 {
1888         struct skinny_req *req;
1889         struct skinny_line *l = sub->parent;
1890         struct ast_format_list fmt;
1891
1892         if (!(req = req_alloc(sizeof(struct open_receive_channel_message), OPEN_RECEIVE_CHANNEL_MESSAGE)))
1893                 return;
1894
1895         fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
1896
1897         req->data.openreceivechannel.conferenceId = htolel(sub->callid);
1898         req->data.openreceivechannel.partyId = htolel(sub->callid);
1899         req->data.openreceivechannel.packets = htolel(fmt.cur_ms);
1900         req->data.openreceivechannel.capability = htolel(codec_ast2skinny(fmt.bits));
1901         req->data.openreceivechannel.echo = htolel(0);
1902         req->data.openreceivechannel.bitrate = htolel(0);
1903         transmit_response(s, req);
1904 }
1905
1906 static void transmit_tone(struct skinnysession *s, int tone, int instance, int reference)
1907 {
1908         struct skinny_req *req;
1909
1910         if (tone == SKINNY_NOTONE) {
1911                 /* This is bad, mmm'kay? */
1912                 return;
1913         }
1914
1915         if (tone > 0) {
1916                 if (!(req = req_alloc(sizeof(struct start_tone_message), START_TONE_MESSAGE)))
1917                         return;
1918                 req->data.starttone.tone = htolel(tone);
1919                 req->data.starttone.instance = htolel(instance);
1920                 req->data.starttone.reference = htolel(reference);
1921         } else {
1922                 if (!(req = req_alloc(sizeof(struct stop_tone_message), STOP_TONE_MESSAGE)))
1923                         return;
1924                 req->data.stoptone.instance = htolel(instance);
1925                 req->data.stoptone.reference = htolel(reference);
1926         }
1927
1928         if (tone > 0) {
1929                 req->data.starttone.tone = htolel(tone);
1930         }
1931         transmit_response(s, req);
1932 }
1933
1934 static void transmit_selectsoftkeys(struct skinnysession *s, int instance, int callid, int softkey)
1935 {
1936         struct skinny_req *req;
1937
1938         if (!(req = req_alloc(sizeof(struct select_soft_keys_message), SELECT_SOFT_KEYS_MESSAGE)))
1939                 return;
1940
1941         req->data.selectsoftkey.instance = htolel(instance);
1942         req->data.selectsoftkey.reference = htolel(callid);
1943         req->data.selectsoftkey.softKeySetIndex = htolel(softkey);
1944         req->data.selectsoftkey.validKeyMask = htolel(0xFFFFFFFF);
1945         transmit_response(s, req);
1946 }
1947
1948 static void transmit_lamp_indication(struct skinnysession *s, int stimulus, int instance, int indication)
1949 {
1950         struct skinny_req *req;
1951
1952         if (!(req = req_alloc(sizeof(struct set_lamp_message), SET_LAMP_MESSAGE)))
1953                 return;
1954
1955         req->data.setlamp.stimulus = htolel(stimulus);
1956         req->data.setlamp.stimulusInstance = htolel(instance);
1957         req->data.setlamp.deviceStimulus = htolel(indication);
1958         transmit_response(s, req);
1959 }
1960
1961 static void transmit_ringer_mode(struct skinnysession *s, int mode)
1962 {
1963         struct skinny_req *req;
1964
1965         if (skinnydebug)
1966                 ast_debug(1, "Setting ringer mode to '%d'.\n", mode);
1967
1968         if (!(req = req_alloc(sizeof(struct set_ringer_message), SET_RINGER_MESSAGE)))
1969                 return;
1970
1971         req->data.setringer.ringerMode = htolel(mode);
1972         /* XXX okay, I don't quite know what this is, but here's what happens (on a 7960).
1973            Note: The phone will always show as ringing on the display.
1974
1975            1: phone will audibly ring over and over
1976            2: phone will audibly ring only once
1977            any other value, will NOT cause the phone to audibly ring
1978         */
1979         req->data.setringer.unknown1 = htolel(1);
1980         /* XXX the value here doesn't seem to change anything.  Must be higher than 0.
1981            Perhaps a packet capture can shed some light on this. */
1982         req->data.setringer.unknown2 = htolel(1);
1983         transmit_response(s, req);
1984 }
1985
1986 static void transmit_displaymessage(struct skinnysession *s, const char *text, int instance, int reference)
1987 {
1988         struct skinny_req *req;
1989
1990         if (text == 0) {
1991                 if (!(req = req_alloc(0, CLEAR_DISPLAY_MESSAGE)))
1992                         return;
1993
1994                 req->data.clearpromptstatus.lineInstance = instance;
1995                 req->data.clearpromptstatus.callReference = reference;
1996
1997                 if (skinnydebug)
1998                         ast_debug(1, "Clearing Display\n");
1999         } else {
2000                 if (!(req = req_alloc(sizeof(struct displaytext_message), DISPLAYTEXT_MESSAGE)))
2001                         return;
2002
2003                 ast_copy_string(req->data.displaytext.text, text, sizeof(req->data.displaytext.text));
2004                 if (skinnydebug)
2005                         ast_debug(1, "Displaying message '%s'\n", req->data.displaytext.text);
2006         }
2007
2008         transmit_response(s, req);
2009 }
2010
2011 static void transmit_displaynotify(struct skinnysession *s, const char *text, int t)
2012 {
2013         struct skinny_req *req;
2014
2015         if (!(req = req_alloc(sizeof(struct display_notify_message), DISPLAY_NOTIFY_MESSAGE)))
2016                 return;
2017
2018         ast_copy_string(req->data.displaynotify.displayMessage, text, sizeof(req->data.displaynotify.displayMessage));
2019         req->data.displaynotify.displayTimeout = htolel(t);
2020
2021         if (skinnydebug)
2022                 ast_debug(1, "Displaying notify '%s'\n", text);
2023
2024         transmit_response(s, req);
2025 }
2026
2027 static void transmit_displaypromptstatus(struct skinnysession *s, const char *text, int t, int instance, int callid)
2028 {
2029         struct skinny_req *req;
2030
2031         if (text == 0) {
2032                 if (!(req = req_alloc(sizeof(struct clear_prompt_message), CLEAR_PROMPT_MESSAGE)))
2033                         return;
2034
2035                 req->data.clearpromptstatus.lineInstance = htolel(instance);
2036                 req->data.clearpromptstatus.callReference = htolel(callid);
2037
2038                 if (skinnydebug)
2039                         ast_debug(1, "Clearing Prompt\n");
2040         } else {
2041                 if (!(req = req_alloc(sizeof(struct display_prompt_status_message), DISPLAY_PROMPT_STATUS_MESSAGE)))
2042                         return;
2043
2044                 ast_copy_string(req->data.displaypromptstatus.promptMessage, text, sizeof(req->data.displaypromptstatus.promptMessage));
2045                 req->data.displaypromptstatus.messageTimeout = htolel(t);
2046                 req->data.displaypromptstatus.lineInstance = htolel(instance);
2047                 req->data.displaypromptstatus.callReference = htolel(callid);
2048
2049                 if (skinnydebug)
2050                         ast_debug(1, "Displaying Prompt Status '%s'\n", text);
2051         }
2052
2053         transmit_response(s, req);
2054 }
2055
2056 static void transmit_dialednumber(struct skinnysession *s, const char *text, int instance, int callid)
2057 {
2058         struct skinny_req *req;
2059
2060         if (!(req = req_alloc(sizeof(struct dialed_number_message), DIALED_NUMBER_MESSAGE)))
2061                 return;
2062
2063         ast_copy_string(req->data.dialednumber.dialedNumber, text, sizeof(req->data.dialednumber.dialedNumber));
2064         req->data.dialednumber.lineInstance = htolel(instance);
2065         req->data.dialednumber.callReference = htolel(callid);
2066
2067         transmit_response(s, req);
2068 }
2069
2070 static void transmit_callstate(struct skinnysession *s, int instance, int state, unsigned callid)
2071 {
2072         struct skinny_req *req;
2073
2074         if (state == SKINNY_ONHOOK) {
2075                 if (!(req = req_alloc(sizeof(struct close_receive_channel_message), CLOSE_RECEIVE_CHANNEL_MESSAGE)))
2076                         return;
2077
2078                 req->data.closereceivechannel.conferenceId = htolel(callid);
2079                 req->data.closereceivechannel.partyId = htolel(callid);
2080                 transmit_response(s, req);
2081
2082                 if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
2083                         return;
2084
2085                 req->data.stopmedia.conferenceId = htolel(callid);
2086                 req->data.stopmedia.passThruPartyId = htolel(callid);
2087                 transmit_response(s, req);
2088
2089                 transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
2090
2091                 transmit_displaypromptstatus(s, NULL, 0, instance, callid);
2092         }
2093
2094         if (!(req = req_alloc(sizeof(struct call_state_message), CALL_STATE_MESSAGE)))
2095                 return;
2096
2097         req->data.callstate.callState = htolel(state);
2098         req->data.callstate.lineInstance = htolel(instance);
2099         req->data.callstate.callReference = htolel(callid);
2100         transmit_response(s, req);
2101
2102         if (state == SKINNY_ONHOOK) {
2103                 transmit_selectsoftkeys(s, 0, 0, KEYDEF_ONHOOK);
2104         }
2105
2106         if (state == SKINNY_OFFHOOK || state == SKINNY_ONHOOK) {
2107                 if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
2108                         return;
2109
2110                 req->data.activatecallplane.lineInstance = htolel(instance);
2111                 transmit_response(s, req);
2112         }
2113 }
2114
2115
2116 static void transmit_cfwdstate(struct skinnysession *s, struct skinny_line *l)
2117 {
2118         struct skinny_req *req;
2119         int anyon = 0;
2120
2121         if (!(req = req_alloc(sizeof(struct forward_stat_message), FORWARD_STAT_MESSAGE)))
2122                 return;
2123
2124         if (l->cfwdtype & SKINNY_CFWD_ALL) {
2125                 if (!ast_strlen_zero(l->call_forward_all)) {
2126                         ast_copy_string(req->data.forwardstat.fwdallnum, l->call_forward_all, sizeof(req->data.forwardstat.fwdallnum));
2127                         req->data.forwardstat.fwdall = htolel(1);
2128                         anyon++;
2129                 } else {
2130                         req->data.forwardstat.fwdall = htolel(0);
2131                 }
2132         }
2133         if (l->cfwdtype & SKINNY_CFWD_BUSY) {
2134                 if (!ast_strlen_zero(l->call_forward_busy)) {
2135                         ast_copy_string(req->data.forwardstat.fwdbusynum, l->call_forward_busy, sizeof(req->data.forwardstat.fwdbusynum));
2136                         req->data.forwardstat.fwdbusy = htolel(1);
2137                         anyon++;
2138                 } else {
2139                         req->data.forwardstat.fwdbusy = htolel(0);
2140                 }
2141         }
2142         if (l->cfwdtype & SKINNY_CFWD_NOANSWER) {
2143                 if (!ast_strlen_zero(l->call_forward_noanswer)) {
2144                         ast_copy_string(req->data.forwardstat.fwdnoanswernum, l->call_forward_noanswer, sizeof(req->data.forwardstat.fwdnoanswernum));
2145                         req->data.forwardstat.fwdnoanswer = htolel(1);
2146                         anyon++;
2147                 } else {
2148                         req->data.forwardstat.fwdnoanswer = htolel(0);
2149                 }
2150         }
2151         req->data.forwardstat.lineNumber = htolel(l->instance);
2152         if (anyon)
2153                 req->data.forwardstat.activeforward = htolel(7);
2154         else
2155                 req->data.forwardstat.activeforward = htolel(0);
2156
2157         transmit_response(s, req);
2158 }
2159
2160 static int skinny_extensionstate_cb(char *context, char *exten, int state, void *data)
2161 {
2162         struct skinny_speeddial *sd = data;
2163         struct skinny_device *d = sd->parent;
2164         struct skinnysession *s = d->session;
2165         char hint[AST_MAX_EXTENSION];
2166         int callstate = SKINNY_CALLREMOTEMULTILINE;
2167         int lamp = SKINNY_LAMP_OFF;
2168
2169         switch (state) {
2170         case AST_EXTENSION_DEACTIVATED: /* Retry after a while */
2171         case AST_EXTENSION_REMOVED:     /* Extension is gone */
2172                 ast_verb(2, "Extension state: Watcher for hint %s %s. Notify Device %s\n", exten, state == AST_EXTENSION_DEACTIVATED ? "deactivated" : "removed", d->name);
2173                 sd->stateid = -1;
2174                 callstate = SKINNY_ONHOOK;
2175                 lamp = SKINNY_LAMP_OFF;
2176                 break;
2177         case AST_EXTENSION_RINGING:
2178         case AST_EXTENSION_UNAVAILABLE:
2179                 callstate = SKINNY_RINGIN;
2180                 lamp = SKINNY_LAMP_BLINK;
2181                 break;
2182         case AST_EXTENSION_BUSY: /* callstate = SKINNY_BUSY wasn't wanting to work - I'll settle for this */
2183         case AST_EXTENSION_INUSE:
2184                 callstate = SKINNY_CALLREMOTEMULTILINE;
2185                 lamp = SKINNY_LAMP_ON;
2186                 break;
2187         case AST_EXTENSION_ONHOLD:
2188                 callstate = SKINNY_HOLD;
2189                 lamp = SKINNY_LAMP_WINK;
2190                 break;
2191         case AST_EXTENSION_NOT_INUSE:
2192         default:
2193                 callstate = SKINNY_ONHOOK;
2194                 lamp = SKINNY_LAMP_OFF;
2195                 break;
2196         }
2197
2198         if (ast_get_hint(hint, sizeof(hint), NULL, 0, NULL, sd->context, sd->exten)) {
2199                 /* If they are not registered, we will override notification and show no availability */
2200                 if (ast_device_state(hint) == AST_DEVICE_UNAVAILABLE) {
2201                         callstate = SKINNY_ONHOOK;
2202                         lamp = SKINNY_LAMP_FLASH;
2203                 }
2204         }
2205
2206         transmit_lamp_indication(s, STIMULUS_LINE, sd->instance, lamp);
2207         transmit_callstate(s, sd->instance, callstate, 0);
2208         sd->laststate = state;
2209
2210         return 0;
2211 }
2212
2213 static int has_voicemail(struct skinny_line *l)
2214 {
2215         return ast_app_has_voicemail(l->mailbox, NULL);
2216 }
2217
2218 static void do_housekeeping(struct skinnysession *s)
2219 {
2220         int new;
2221         int old;
2222         int device_lamp = 0;
2223         struct skinny_device *d = s->device;
2224         struct skinny_line *l;
2225
2226         /* Update time on device */
2227         handle_time_date_req_message(NULL, s);
2228
2229         /* Set MWI on individual lines */
2230         for (l = d->lines; l; l = l->next) {
2231                 if (has_voicemail(l)) {
2232                         if (skinnydebug)
2233                                 ast_debug(1, "Checking for voicemail Skinny %s@%s\n", l->name, d->name);
2234                         ast_app_inboxcount(l->mailbox, &new, &old);
2235                         if (skinnydebug)
2236                                 ast_debug(1, "Skinny %s@%s has voicemail!\n", l->name, d->name);
2237                         transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, l->mwiblink?SKINNY_LAMP_BLINK:SKINNY_LAMP_ON);
2238                         device_lamp++;
2239                 } else {
2240                         transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, SKINNY_LAMP_OFF);
2241                 }
2242         }
2243         /* If at least one line has VM, turn the device level lamp on */
2244         if (device_lamp)
2245                 transmit_lamp_indication(s, STIMULUS_VOICEMAIL, 0, SKINNY_LAMP_ON);
2246         else
2247                 transmit_lamp_indication(s, STIMULUS_VOICEMAIL, 0, SKINNY_LAMP_OFF);
2248 }
2249
2250 /* I do not believe skinny can deal with video.
2251    Anyone know differently? */
2252 /* Yes, it can.  Currently 7985 and Cisco VT Advantage do video. */
2253 static enum ast_rtp_get_result skinny_get_vrtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
2254 {
2255         struct skinny_subchannel *sub = NULL;
2256
2257         if (!(sub = c->tech_pvt) || !(sub->vrtp))
2258                 return AST_RTP_GET_FAILED;
2259
2260         *rtp = sub->vrtp;
2261
2262         return AST_RTP_TRY_NATIVE;
2263 }
2264
2265 static enum ast_rtp_get_result skinny_get_rtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
2266 {
2267         struct skinny_subchannel *sub = NULL;
2268         struct skinny_line *l;
2269         enum ast_rtp_get_result res = AST_RTP_TRY_NATIVE;
2270
2271         if (skinnydebug)
2272                 ast_debug(1, "skinny_get_rtp_peer() Channel = %s\n", c->name);
2273
2274
2275         if (!(sub = c->tech_pvt))
2276                 return AST_RTP_GET_FAILED;
2277
2278         ast_mutex_lock(&sub->lock);
2279
2280         if (!(sub->rtp)){
2281                 ast_mutex_unlock(&sub->lock);
2282                 return AST_RTP_GET_FAILED;
2283         }
2284         
2285         *rtp = sub->rtp;
2286
2287         l = sub->parent;
2288
2289         if (!l->canreinvite || l->nat){
2290                 res = AST_RTP_TRY_PARTIAL;
2291                 if (skinnydebug)
2292                         ast_debug(1, "skinny_get_rtp_peer() Using AST_RTP_TRY_PARTIAL \n");
2293         }
2294
2295         ast_mutex_unlock(&sub->lock);
2296
2297         return res;
2298
2299 }
2300
2301 static int skinny_set_rtp_peer(struct ast_channel *c, struct ast_rtp *rtp, struct ast_rtp *vrtp, struct ast_rtp *trtp, int codecs, int nat_active)
2302 {
2303         struct skinny_subchannel *sub;
2304         struct skinny_line *l;
2305         struct skinny_device *d;
2306         struct skinnysession *s;
2307         struct ast_format_list fmt;
2308         struct sockaddr_in us;
2309         struct sockaddr_in them;
2310         struct skinny_req *req;
2311         
2312         sub = c->tech_pvt;
2313
2314         if (c->_state != AST_STATE_UP)
2315                 return 0;
2316
2317         if (!sub) {
2318                 return -1;
2319         }
2320
2321         l = sub->parent;
2322         d = l->parent;
2323         s = d->session;
2324
2325         if (rtp){
2326                 ast_rtp_get_peer(rtp, &them);
2327
2328                 /* Shutdown any early-media or previous media on re-invite */
2329                 if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
2330                         return -1;
2331
2332                 req->data.stopmedia.conferenceId = htolel(sub->callid);
2333                 req->data.stopmedia.passThruPartyId = htolel(sub->callid);
2334                 transmit_response(s, req);
2335
2336                 if (skinnydebug)
2337                         ast_debug(1, "Peerip = %s:%d\n", ast_inet_ntoa(them.sin_addr), ntohs(them.sin_port));
2338
2339                 if (!(req = req_alloc(sizeof(struct start_media_transmission_message), START_MEDIA_TRANSMISSION_MESSAGE)))
2340                         return -1;
2341
2342                 fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
2343
2344                 if (skinnydebug)
2345                         ast_debug(1, "Setting payloadType to '%d' (%d ms)\n", fmt.bits, fmt.cur_ms);
2346
2347                 req->data.startmedia.conferenceId = htolel(sub->callid);
2348                 req->data.startmedia.passThruPartyId = htolel(sub->callid);
2349                 if (!(l->canreinvite) || (l->nat)){
2350                         ast_rtp_get_us(rtp, &us);
2351                         req->data.startmedia.remoteIp = htolel(d->ourip.s_addr);
2352                         req->data.startmedia.remotePort = htolel(ntohs(us.sin_port));
2353                 } else {
2354                         req->data.startmedia.remoteIp = htolel(them.sin_addr.s_addr);
2355                         req->data.startmedia.remotePort = htolel(ntohs(them.sin_port));
2356                 }
2357                 req->data.startmedia.packetSize = htolel(fmt.cur_ms);
2358                 req->data.startmedia.payloadType = htolel(codec_ast2skinny(fmt.bits));
2359                 req->data.startmedia.qualifier.precedence = htolel(127);
2360                 req->data.startmedia.qualifier.vad = htolel(0);
2361                 req->data.startmedia.qualifier.packets = htolel(0);
2362                 req->data.startmedia.qualifier.bitRate = htolel(0);
2363                 transmit_response(s, req);
2364
2365                 return 0;
2366         }
2367         /* Need a return here to break the bridge */
2368         return 0;
2369 }
2370
2371 static struct ast_rtp_protocol skinny_rtp = {
2372         .type = "Skinny",
2373         .get_rtp_info = skinny_get_rtp_peer,
2374         .get_vrtp_info = skinny_get_vrtp_peer,
2375         .set_rtp_peer = skinny_set_rtp_peer,
2376 };
2377
2378 static char *handle_skinny_set_debug_deprecated(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2379 {
2380         switch (cmd) {
2381         case CLI_INIT:
2382                 e->command = "skinny set debug [off]";
2383                 e->usage =
2384                         "Usage: skinny set debug [off]\n"
2385                         "       Enables/Disables dumping of Skinny packets for debugging purposes\n";
2386                 return NULL;
2387         case CLI_GENERATE:
2388                 return NULL;
2389         }
2390         
2391         if (a->argc < 3 || a->argc > 4)
2392                 return CLI_SHOWUSAGE;
2393
2394         if (a->argc == 3) {
2395                 skinnydebug = 1;
2396                 ast_cli(a->fd, "Skinny Debugging Enabled\n");
2397                 return CLI_SUCCESS;
2398         } else if (!strncasecmp(a->argv[3], "off", 3)) {
2399                 skinnydebug = 0;
2400                 ast_cli(a->fd, "Skinny Debugging Disabled\n");
2401                 return CLI_SUCCESS;
2402         } else {
2403                 return CLI_SHOWUSAGE;
2404         }
2405 }
2406
2407 static char *handle_skinny_set_debug(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2408 {
2409         switch (cmd) {
2410         case CLI_INIT:
2411                 e->command = "skinny set debug {on|off}";
2412                 e->usage =
2413                         "Usage: skinny set debug {on|off}\n"
2414                         "       Enables/Disables dumping of Skinny packets for debugging purposes\n";
2415                 return NULL;
2416         case CLI_GENERATE:
2417                 return NULL;
2418         }
2419         
2420         if (a->argc != e->args)
2421                 return CLI_SHOWUSAGE;
2422
2423         if (!strncasecmp(a->argv[e->args - 1], "on", 2)) {
2424                 skinnydebug = 1;
2425                 ast_cli(a->fd, "Skinny Debugging Enabled\n");
2426                 return CLI_SUCCESS;
2427         } else if (!strncasecmp(a->argv[e->args - 1], "off", 3)) {
2428                 skinnydebug = 0;
2429                 ast_cli(a->fd, "Skinny Debugging Disabled\n");
2430                 return CLI_SUCCESS;
2431         } else {
2432                 return CLI_SHOWUSAGE;
2433         }
2434 }
2435
2436 static char *complete_skinny_devices(const char *word, int state)
2437 {
2438         struct skinny_device *d;
2439         char *result = NULL;
2440         int wordlen = strlen(word), which = 0;
2441
2442         for (d = devices; d && !result; d = d->next) {
2443                 if (!strncasecmp(word, d->id, wordlen) && ++which > state)
2444                         result = ast_strdup(d->id);
2445         }
2446
2447         return result;
2448 }
2449
2450 static char *complete_skinny_show_device(const char *line, const char *word, int pos, int state)
2451 {
2452         return (pos == 3 ? ast_strdup(complete_skinny_devices(word, state)) : NULL);
2453 }
2454
2455 static char *complete_skinny_reset(const char *line, const char *word, int pos, int state)
2456 {
2457         return (pos == 2 ? ast_strdup(complete_skinny_devices(word, state)) : NULL);
2458 }
2459
2460 static char *complete_skinny_show_line(const char *line, const char *word, int pos, int state)
2461 {
2462         struct skinny_device *d;
2463         struct skinny_line *l;
2464         char *result = NULL;
2465         int wordlen = strlen(word), which = 0;
2466
2467         if (pos != 3)
2468                 return NULL;
2469         
2470         for (d = devices; d && !result; d = d->next) {
2471                 for (l = d->lines; l && !result; l = l->next) {
2472                         if (!strncasecmp(word, l->name, wordlen) && ++which > state)
2473                                 result = ast_strdup(l->name);
2474                 }
2475         }
2476
2477         return result;
2478 }
2479
2480 static char *handle_skinny_reset(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2481 {
2482         struct skinny_device *d;
2483         struct skinny_req *req;
2484
2485         switch (cmd) {
2486         case CLI_INIT:
2487                 e->command = "skinny reset";
2488                 e->usage =
2489                         "Usage: skinny reset <DeviceId|DeviceName|all> [restart]\n"
2490                         "       Causes a Skinny device to reset itself, optionally with a full restart\n";
2491                 return NULL;
2492         case CLI_GENERATE:
2493                 return complete_skinny_reset(a->line, a->word, a->pos, a->n);
2494         }
2495
2496         if (a->argc < 3 || a->argc > 4)
2497                 return CLI_SHOWUSAGE;
2498
2499         ast_mutex_lock(&devicelock);
2500
2501         for (d = devices; d; d = d->next) {
2502                 int fullrestart = 0;
2503                 if (!strcasecmp(a->argv[2], d->id) || !strcasecmp(a->argv[2], d->name) || !strcasecmp(a->argv[2], "all")) {
2504                         if (!(d->session))
2505                                 continue;
2506
2507                         if (!(req = req_alloc(sizeof(struct reset_message), RESET_MESSAGE)))
2508                                 continue;
2509
2510                         if (a->argc == 4 && !strcasecmp(a->argv[3], "restart"))
2511                                 fullrestart = 1;
2512
2513                         if (fullrestart)
2514                                 req->data.reset.resetType = 2;
2515                         else
2516                                 req->data.reset.resetType = 1;
2517
2518                         ast_verb(3, "%s device %s.\n", (fullrestart) ? "Restarting" : "Resetting", d->id);
2519                         transmit_response(d->session, req);
2520                 }
2521         }
2522         ast_mutex_unlock(&devicelock);
2523         return CLI_SUCCESS;
2524 }
2525
2526 static char *device2str(int type)
2527 {
2528         char *tmp;
2529
2530         switch (type) {
2531         case SKINNY_DEVICE_NONE:
2532                 return "No Device";
2533         case SKINNY_DEVICE_30SPPLUS:
2534                 return "30SP Plus";
2535         case SKINNY_DEVICE_12SPPLUS:
2536                 return "12SP Plus";
2537         case SKINNY_DEVICE_12SP:
2538                 return "12SP";
2539         case SKINNY_DEVICE_12:
2540                 return "12";
2541         case SKINNY_DEVICE_30VIP:
2542                 return "30VIP";
2543         case SKINNY_DEVICE_7910:
2544                 return "7910";
2545         case SKINNY_DEVICE_7960:
2546                 return "7960";
2547         case SKINNY_DEVICE_7940:
2548                 return "7940";
2549         case SKINNY_DEVICE_7935:
2550                 return "7935";
2551         case SKINNY_DEVICE_ATA186:
2552                 return "ATA186";
2553         case SKINNY_DEVICE_7941:
2554                 return "7941";
2555         case SKINNY_DEVICE_7971:
2556                 return "7971";
2557         case SKINNY_DEVICE_7985:
2558                 return "7985";
2559         case SKINNY_DEVICE_7911:
2560                 return "7911";
2561         case SKINNY_DEVICE_7961GE:
2562                 return "7961GE";
2563         case SKINNY_DEVICE_7941GE:
2564                 return "7941GE";
2565         case SKINNY_DEVICE_7921:
2566                 return "7921";
2567         case SKINNY_DEVICE_7905:
2568                 return "7905";
2569         case SKINNY_DEVICE_7920:
2570                 return "7920";
2571         case SKINNY_DEVICE_7970:
2572                 return "7970";
2573         case SKINNY_DEVICE_7912:
2574                 return "7912";
2575         case SKINNY_DEVICE_7902:
2576                 return "7902";
2577         case SKINNY_DEVICE_CIPC:
2578                 return "IP Communicator";
2579         case SKINNY_DEVICE_7961:
2580                 return "7961";
2581         case SKINNY_DEVICE_7936:
2582                 return "7936";
2583         case SKINNY_DEVICE_SCCPGATEWAY_AN:
2584                 return "SCCPGATEWAY_AN";
2585         case SKINNY_DEVICE_SCCPGATEWAY_BRI:
2586                 return "SCCPGATEWAY_BRI";
2587         case SKINNY_DEVICE_UNKNOWN:
2588                 return "Unknown";
2589         default:
2590                 if (!(tmp = ast_threadstorage_get(&device2str_threadbuf, DEVICE2STR_BUFSIZE)))
2591                         return "Unknown";
2592                 snprintf(tmp, DEVICE2STR_BUFSIZE, "UNKNOWN-%d", type);
2593                 return tmp;
2594         }
2595 }
2596
2597 /*! \brief Print codec list from preference to CLI/manager */
2598 static void print_codec_to_cli(int fd, struct ast_codec_pref *pref)
2599 {
2600         int x, codec;
2601
2602         for(x = 0; x < 32 ; x++) {
2603                 codec = ast_codec_pref_index(pref, x);
2604                 if (!codec)
2605                         break;
2606                 ast_cli(fd, "%s", ast_getformatname(codec));
2607                 ast_cli(fd, ":%d", pref->framing[x]);
2608                 if (x < 31 && ast_codec_pref_index(pref, x + 1))
2609                         ast_cli(fd, ",");
2610         }
2611         if (!x)
2612                 ast_cli(fd, "none");
2613 }
2614
2615 static char *handle_skinny_show_devices(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2616 {
2617         struct skinny_device *d;
2618         struct skinny_line *l;
2619
2620         switch (cmd) {
2621         case CLI_INIT:
2622                 e->command = "skinny show devices";
2623                 e->usage =
2624                         "Usage: skinny show devices\n"
2625                         "       Lists all devices known to the Skinny subsystem.\n";
2626                 return NULL;
2627         case CLI_GENERATE:
2628                 return NULL;
2629         }
2630
2631         if (a->argc != 3)
2632                 return CLI_SHOWUSAGE;
2633
2634         ast_mutex_lock(&devicelock);
2635
2636         ast_cli(a->fd, "Name                 DeviceId         IP              Type            R NL\n");
2637         ast_cli(a->fd, "-------------------- ---------------- --------------- --------------- - --\n");
2638
2639         for (d = devices; d; d = d->next) {
2640                 int numlines = 0;
2641
2642                 for (l = d->lines; l; l = l->next)
2643                         numlines++;
2644                 
2645                 ast_cli(a->fd, "%-20s %-16s %-15s %-15s %c %2d\n",
2646                         d->name,
2647                         d->id,
2648                         d->session?ast_inet_ntoa(d->session->sin.sin_addr):"",
2649                         device2str(d->type),
2650                         d->registered?'Y':'N',
2651                         numlines);
2652         }
2653
2654         ast_mutex_unlock(&devicelock);
2655
2656         return CLI_SUCCESS;
2657 }
2658
2659 /*! \brief Show device information */
2660 static char *handle_skinny_show_device(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2661 {
2662         struct skinny_device *d;
2663         struct skinny_line *l;
2664         struct skinny_speeddial *sd;
2665         struct skinny_addon *sa;
2666
2667         switch (cmd) {
2668         case CLI_INIT:
2669                 e->command = "skinny show device";
2670                 e->usage =
2671                         "Usage: skinny show device <DeviceId|DeviceName>\n"
2672                         "       Lists all deviceinformation of a specific device known to the Skinny subsystem.\n";
2673                 return NULL;
2674         case CLI_GENERATE:
2675                 return complete_skinny_show_device(a->line, a->word, a->pos, a->n);
2676         }
2677
2678         if (a->argc < 4)
2679                 return CLI_SHOWUSAGE;
2680
2681         ast_mutex_lock(&devicelock);
2682         for (d = devices; d; d = d->next) {
2683                 if (!strcasecmp(a->argv[3], d->id) || !strcasecmp(a->argv[3], d->name)) {
2684                         int numlines = 0, numaddons = 0, numspeeddials = 0;
2685
2686                         for (l = d->lines; l; l = l->next)
2687                                 numlines++;
2688
2689                         ast_cli(a->fd, "Name:        %s\n", d->name);
2690                         ast_cli(a->fd, "Id:          %s\n", d->id);
2691                         ast_cli(a->fd, "version:     %s\n", S_OR(d->version_id, "Unknown"));
2692                         ast_cli(a->fd, "Ip address:  %s\n", (d->session ? ast_inet_ntoa(d->session->sin.sin_addr) : "Unknown"));
2693                         ast_cli(a->fd, "Port:        %d\n", (d->session ? ntohs(d->session->sin.sin_port) : 0));
2694                         ast_cli(a->fd, "Device Type: %s\n", device2str(d->type));
2695                         ast_cli(a->fd, "Registered:  %s\n", (d->registered ? "Yes" : "No"));
2696                         ast_cli(a->fd, "Lines:       %d\n", numlines);
2697                         for (l = d->lines; l; l = l->next)
2698                                 ast_cli(a->fd, "  %s (%s)\n", l->name, l->label);
2699                         for (sa = d->addons; sa; sa = sa->next)
2700                                 numaddons++;
2701                         ast_cli(a->fd, "Addons:      %d\n", numaddons);
2702                         for (sa = d->addons; sa; sa = sa->next)
2703                                 ast_cli(a->fd, "  %s\n", sa->type);
2704                         for (sd = d->speeddials; sd; sd = sd->next)
2705                                 numspeeddials++;
2706                         ast_cli(a->fd, "Speeddials:  %d\n", numspeeddials);
2707                         for (sd = d->speeddials; sd; sd = sd->next)
2708                                 ast_cli(a->fd, "  %s (%s) ishint: %d\n", sd->exten, sd->label, sd->isHint);
2709                 }
2710         }
2711         ast_mutex_unlock(&devicelock);
2712         return CLI_SUCCESS;
2713 }
2714
2715 static char *handle_skinny_show_lines(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2716 {
2717         struct skinny_device *d;
2718         struct skinny_line *l;
2719
2720         switch (cmd) {
2721         case CLI_INIT:
2722                 e->command = "skinny show lines";
2723                 e->usage =
2724                         "Usage: skinny show lines\n"
2725                         "       Lists all lines known to the Skinny subsystem.\n";
2726                 return NULL;
2727         case CLI_GENERATE:
2728                 return NULL;
2729         }
2730
2731         if (a->argc != 3)
2732                 return CLI_SHOWUSAGE;
2733         
2734         ast_mutex_lock(&devicelock);
2735         
2736         ast_cli(a->fd, "Device Name          Instance Name                 Label               \n");
2737         ast_cli(a->fd, "-------------------- -------- -------------------- --------------------\n");
2738         for (d = devices; d; d = d->next) {
2739                 for (l = d->lines; l; l = l->next) {
2740                         ast_cli(a->fd, "%-20s %8d %-20s %-20s\n",
2741                                 d->name,
2742                                 l->instance,
2743                                 l->name,
2744                                 l->label);
2745                 }
2746         }
2747         
2748         ast_mutex_unlock(&devicelock);
2749         return CLI_SUCCESS;
2750 }
2751
2752 /*! \brief List line information. */
2753 static char *handle_skinny_show_line(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2754 {
2755         struct skinny_device *d;
2756         struct skinny_line *l;
2757         char codec_buf[512];
2758         char group_buf[256];
2759
2760         switch (cmd) {
2761         case CLI_INIT:
2762                 e->command = "skinny show line";
2763                 e->usage =
2764                         "Usage: skinny show line <Line> [ on <DeviceID|DeviceName> ]\n"
2765                         "       List all lineinformation of a specific line known to the Skinny subsystem.\n";
2766                 return NULL;
2767         case CLI_GENERATE:
2768                 return complete_skinny_show_line(a->line, a->word, a->pos, a->n);
2769         }
2770
2771         if (a->argc < 4)
2772                 return CLI_SHOWUSAGE;
2773         
2774         ast_mutex_lock(&devicelock);
2775
2776         /* Show all lines matching the one supplied */
2777         for (d = devices; d; d = d->next) {
2778                 if (a->argc == 6 && (strcasecmp(a->argv[5], d->id) && strcasecmp(a->argv[5], d->name)))
2779                         continue;
2780                 for (l = d->lines; l; l = l->next) {
2781                         if (strcasecmp(a->argv[3], l->name))
2782                                 continue;
2783                         ast_cli(a->fd, "Line:             %s\n", l->name);
2784                         ast_cli(a->fd, "On Device:        %s\n", d->name);
2785                         ast_cli(a->fd, "Line Label:       %s\n", l->label);
2786                         ast_cli(a->fd, "Extension:        %s\n", S_OR(l->exten, "<not set>"));
2787                         ast_cli(a->fd, "Context:          %s\n", l->context);
2788                         ast_cli(a->fd, "CallGroup:        %s\n", ast_print_group(group_buf, sizeof(group_buf), l->callgroup));
2789                         ast_cli(a->fd, "PickupGroup:      %s\n", ast_print_group(group_buf, sizeof(group_buf), l->pickupgroup));
2790                         ast_cli(a->fd, "Language:         %s\n", S_OR(l->language, "<not set>"));
2791                         ast_cli(a->fd, "Accountcode:      %s\n", S_OR(l->accountcode, "<not set>"));
2792                         ast_cli(a->fd, "AmaFlag:          %s\n", ast_cdr_flags2str(l->amaflags));
2793                         ast_cli(a->fd, "CallerId Number:  %s\n", S_OR(l->cid_num, "<not set>"));
2794                         ast_cli(a->fd, "CallerId Name:    %s\n", S_OR(l->cid_name, "<not set>"));
2795                         ast_cli(a->fd, "Hide CallerId:    %s\n", (l->hidecallerid ? "Yes" : "No"));
2796                         ast_cli(a->fd, "CFwdAll:          %s\n", S_COR((l->cfwdtype & SKINNY_CFWD_ALL), l->call_forward_all, "<not set>"));
2797                         ast_cli(a->fd, "CFwdBusy:         %s\n", S_COR((l->cfwdtype & SKINNY_CFWD_BUSY), l->call_forward_busy, "<not set>"));
2798                         ast_cli(a->fd, "CFwdNoAnswer:     %s\n", S_COR((l->cfwdtype & SKINNY_CFWD_NOANSWER), l->call_forward_noanswer, "<not set>"));
2799                         ast_cli(a->fd, "VoicemailBox:     %s\n", S_OR(l->mailbox, "<not set>"));
2800                         ast_cli(a->fd, "VoicemailNumber:  %s\n", S_OR(l->vmexten, "<not set>"));
2801                         ast_cli(a->fd, "MWIblink:         %d\n", l->mwiblink);
2802                         ast_cli(a->fd, "Regextension:     %s\n", S_OR(l->regexten, "<not set>"));
2803                         ast_cli(a->fd, "Regcontext:       %s\n", S_OR(l->regcontext, "<not set>"));
2804                         ast_cli(a->fd, "MoHInterpret:     %s\n", S_OR(l->mohinterpret, "<not set>"));
2805                         ast_cli(a->fd, "MoHSuggest:       %s\n", S_OR(l->mohsuggest, "<not set>"));
2806                         ast_cli(a->fd, "Last dialed nr:   %s\n", S_OR(l->lastnumberdialed, "<no calls made yet>"));
2807                         ast_cli(a->fd, "Last CallerID:    %s\n", S_OR(l->lastcallerid, "<not set>"));
2808                         ast_cli(a->fd, "Transfer enabled: %s\n", (l->transfer ? "Yes" : "No"));
2809                         ast_cli(a->fd, "Callwaiting:      %s\n", (l->callwaiting ? "Yes" : "No"));
2810                         ast_cli(a->fd, "3Way Calling:     %s\n", (l->threewaycalling ? "Yes" : "No"));
2811                         ast_cli(a->fd, "Can forward:      %s\n", (l->cancallforward ? "Yes" : "No"));
2812                         ast_cli(a->fd, "Do Not Disturb:   %s\n", (l->dnd ? "Yes" : "No"));
2813                         ast_cli(a->fd, "NAT:              %s\n", (l->nat ? "Yes" : "No"));
2814                         ast_cli(a->fd, "immediate:        %s\n", (l->immediate ? "Yes" : "No"));
2815                         ast_cli(a->fd, "Group:            %d\n", l->group);
2816                         ast_cli(a->fd, "Codecs:           ");
2817                         ast_getformatname_multiple(codec_buf, sizeof(codec_buf) - 1, l->capability);
2818                         ast_cli(a->fd, "%s\n", codec_buf);
2819                         ast_cli(a->fd, "Codec Order:      (");
2820                         print_codec_to_cli(a->fd, &l->prefs);
2821                         ast_cli(a->fd, ")\n");
2822                         ast_cli(a->fd, "\n");
2823                 }
2824         }
2825         
2826         ast_mutex_unlock(&devicelock);
2827         return CLI_SUCCESS;
2828 }
2829
2830 /*! \brief List global settings for the Skinny subsystem. */
2831 static char *handle_skinny_show_settings(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2832 {
2833         switch (cmd) {
2834         case CLI_INIT:
2835                 e->command = "skinny show settings";
2836                 e->usage =
2837                         "Usage: skinny show settings\n"
2838                         "       Lists all global configuration settings of the Skinny subsystem.\n";
2839                 return NULL;
2840         case CLI_GENERATE:
2841                 return NULL;
2842         }       
2843
2844         if (a->argc != 3)
2845                 return CLI_SHOWUSAGE;
2846
2847         ast_cli(a->fd, "\nGlobal Settings:\n");
2848         ast_cli(a->fd, "  Skinny Port:            %d\n", ntohs(bindaddr.sin_port));
2849         ast_cli(a->fd, "  Bindaddress:            %s\n", ast_inet_ntoa(bindaddr.sin_addr));
2850         ast_cli(a->fd, "  KeepAlive:              %d\n", keep_alive);
2851         ast_cli(a->fd, "  Date Format:            %s\n", date_format);
2852         ast_cli(a->fd, "  Voice Mail Extension:   %s\n", S_OR(vmexten, "(not set)"));
2853         ast_cli(a->fd, "  Reg. context:           %s\n", S_OR(regcontext, "(not set)"));
2854         ast_cli(a->fd, "  Jitterbuffer enabled:   %s\n", (ast_test_flag(&global_jbconf, AST_JB_ENABLED) ? "Yes" : "No"));
2855         ast_cli(a->fd, "  Jitterbuffer forced:    %s\n", (ast_test_flag(&global_jbconf, AST_JB_FORCED) ? "Yes" : "No"));
2856         ast_cli(a->fd, "  Jitterbuffer max size:  %ld\n", global_jbconf.max_size);
2857         ast_cli(a->fd, "  Jitterbuffer resync:    %ld\n", global_jbconf.resync_threshold);
2858         ast_cli(a->fd, "  Jitterbuffer impl:      %s\n", global_jbconf.impl);
2859         ast_cli(a->fd, "  Jitterbuffer log:       %s\n", (ast_test_flag(&global_jbconf, AST_JB_LOG) ? "Yes" : "No"));
2860
2861         return CLI_SUCCESS;
2862 }
2863
2864 static struct ast_cli_entry cli_skinny_set_debug_deprecated = AST_CLI_DEFINE(handle_skinny_set_debug_deprecated, "Enable/Disable Skinny debugging");
2865 static struct ast_cli_entry cli_skinny[] = {
2866         AST_CLI_DEFINE(handle_skinny_show_devices, "List defined Skinny devices"),
2867         AST_CLI_DEFINE(handle_skinny_show_device, "List Skinny device information"),
2868         AST_CLI_DEFINE(handle_skinny_show_lines, "List defined Skinny lines per device"),       
2869         AST_CLI_DEFINE(handle_skinny_show_line, "List Skinny line information"),
2870         AST_CLI_DEFINE(handle_skinny_show_settings, "List global Skinny settings"),
2871         AST_CLI_DEFINE(handle_skinny_set_debug, "Enable/Disable Skinny debugging", .deprecate_cmd = &cli_skinny_set_debug_deprecated),
2872         AST_CLI_DEFINE(handle_skinny_reset, "Reset Skinny device(s)"),
2873 };
2874
2875 #if 0
2876 static struct skinny_paging_device *build_paging_device(const char *cat, struct ast_variable *v)
2877 {
2878         return NULL;
2879 }
2880 #endif
2881
2882 static struct skinny_device *build_device(const char *cat, struct ast_variable *v)
2883 {
2884         struct skinny_device *d;
2885         struct skinny_line *l;
2886         struct skinny_speeddial *sd;
2887         struct skinny_addon *a;
2888         char device_vmexten[AST_MAX_EXTENSION];
2889         struct ast_variable *chanvars = NULL;
2890         int lineInstance = 1;
2891         int speeddialInstance = 1;
2892         int y = 0;
2893
2894         if (!(d = ast_calloc(1, sizeof(*d)))) {
2895                 return NULL;
2896         } else {
2897                 ast_copy_string(d->name, cat, sizeof(d->name));
2898                 d->lastlineinstance = 1;
2899                 d->capability = default_capability;
2900                 d->prefs = default_prefs;
2901                 if (!ast_strlen_zero(vmexten))
2902                         ast_copy_string(device_vmexten, vmexten, sizeof(device_vmexten));
2903                 else
2904                         memset(device_vmexten, 0, sizeof(device_vmexten));
2905
2906                 d->earlyrtp = 1;
2907                 while(v) {
2908                         if (!strcasecmp(v->name, "host")) {
2909                                 if (ast_get_ip(&d->addr, v->value)) {
2910                                         ast_free(d);
2911                                         return NULL;
2912                                 }
2913                         } else if (!strcasecmp(v->name, "port")) {
2914                                 d->addr.sin_port = htons(atoi(v->value));
2915                         } else if (!strcasecmp(v->name, "device")) {
2916                                 ast_copy_string(d->id, v->value, sizeof(d->id));
2917                         } else if (!strcasecmp(v->name, "permit") || !strcasecmp(v->name, "deny")) {
2918                                 d->ha = ast_append_ha(v->name, v->value, d->ha, NULL);
2919                         } else if (!strcasecmp(v->name, "vmexten")) {
2920                                 ast_copy_string(device_vmexten, v->value, sizeof(device_vmexten));
2921                         } else if (!strcasecmp(v->name, "context")) {
2922                                 ast_copy_string(context, v->value, sizeof(context));
2923                         } else if (!strcasecmp(v->name, "regexten")) {
2924                                 ast_copy_string(regexten, v->value, sizeof(regexten));
2925                         } else if (!strcasecmp(v->name, "allow")) {
2926                                 ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 1);
2927                         } else if (!strcasecmp(v->name, "disallow")) {
2928                                 ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 0);
2929                         } else if (!strcasecmp(v->name, "version")) {
2930                                 ast_copy_string(d->version_id, v->value, sizeof(d->version_id));
2931                         } else if (!strcasecmp(v->name, "canreinvite")) {
2932                                 canreinvite = ast_true(v->value);
2933                         } else if (!strcasecmp(v->name, "earlyrtp")) {
2934                                 d->earlyrtp = ast_true(v->value);
2935                         } else if (!strcasecmp(v->name, "nat")) {
2936                                 nat = ast_true(v->value);
2937                         } else if (!strcasecmp(v->name, "callerid")) {
2938                                 if (!strcasecmp(v->value, "asreceived")) {
2939                                         cid_num[0] = '\0';
2940                                         cid_name[0] = '\0';
2941                                 } else {
2942                                         ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
2943                                 }
2944                         } else if (!strcasecmp(v->name, "language")) {
2945                                 ast_copy_string(language, v->value, sizeof(language));
2946                         } else if (!strcasecmp(v->name, "accountcode")) {
2947                                 ast_copy_string(accountcode, v->value, sizeof(accountcode));
2948                         } else if (!strcasecmp(v->name, "amaflags")) {
2949                                 y = ast_cdr_amaflags2int(v->value);
2950                                 if (y < 0) {
2951                                         ast_log(LOG_WARNING, "Invalid AMA flags: %s at line %d\n", v->value, v->lineno);
2952                                 } else {
2953                                         amaflags = y;
2954                                 }
2955                         } else if (!strcasecmp(v->name, "mohinterpret") || !strcasecmp(v->name, "musiconhold")) {
2956                                 ast_copy_string(mohinterpret, v->value, sizeof(mohinterpret));
2957                         } else if (!strcasecmp(v->name, "mohsuggest")) {
2958                                 ast_copy_string(mohsuggest, v->value, sizeof(mohsuggest));
2959                         } else if (!strcasecmp(v->name, "callgroup")) {
2960                                 cur_callergroup = ast_get_group(v->value);
2961                         } else if (!strcasecmp(v->name, "pickupgroup")) {
2962                                 cur_pickupgroup = ast_get_group(v->value);
2963                         } else if (!strcasecmp(v->name, "immediate")) {
2964                                 immediate = ast_true(v->value);
2965                         } else if (!strcasecmp(v->name, "cancallforward")) {
2966                                 cancallforward = ast_true(v->value);
2967                         } else if (!strcasecmp(v->name, "mailbox")) {
2968                                 ast_copy_string(mailbox, v->value, sizeof(mailbox));
2969                         } else if (!strcasecmp(v->name, "callreturn")) {
2970                                 callreturn = ast_true(v->value);
2971                         } else if (!strcasecmp(v->name, "callwaiting")) {
2972                                 callwaiting = ast_true(v->value);
2973                         } else if (!strcasecmp(v->name, "transfer")) {
2974                                 transfer = ast_true(v->value);
2975                         } else if (!strcasecmp(v->name, "threewaycalling")) {
2976                                 threewaycalling = ast_true(v->value);
2977                         } else if (!strcasecmp(v->name, "mwiblink")) {
2978                                 mwiblink = ast_true(v->value);
2979                         } else if (!strcasecmp(v->name, "linelabel")) {
2980                                 ast_copy_string(linelabel, v->value, sizeof(linelabel));
2981                         } else if (!strcasecmp(v->name, "setvar")) {
2982                                 chanvars = add_var(v->value, chanvars);
2983                         } else if (!strcasecmp(v->name, "speeddial")) {
2984                                 if (!(sd = ast_calloc(1, sizeof(*sd)))) {
2985                                         return NULL;
2986                                 } else {
2987                                         char buf[256];
2988                                         char *stringp = buf, *exten, *context, *label;
2989
2990                                         ast_copy_string(buf, v->value, sizeof(buf));
2991                                         exten = strsep(&stringp, ",");
2992                                         if ((context = strchr(exten, '@'))) {
2993                                                 *context++ = '\0';
2994                                         }
2995                                         label = stringp;
2996                                         ast_mutex_init(&sd->lock);
2997                                         ast_copy_string(sd->exten, exten, sizeof(sd->exten));
2998                                         if (!ast_strlen_zero(context)) {
2999                                                 sd->isHint = 1;
3000                                                 sd->instance = lineInstance++;
3001                                                 ast_copy_string(sd->context, context, sizeof(sd->context));
3002                                         } else {
3003                                                 sd->isHint = 0;
3004                                                 sd->instance = speeddialInstance++;
3005                                                 sd->context[0] = '\0';
3006                                         }
3007                                         ast_copy_string(sd->label, S_OR(label, exten), sizeof(sd->label));
3008
3009                                         sd->parent = d;
3010
3011                                         sd->next = d->speeddials;
3012                                         d->speeddials = sd;
3013                                 }
3014                         } else if (!strcasecmp(v->name, "addon")) {
3015                                 if (!(a = ast_calloc(1, sizeof(*a)))) {
3016                                         return NULL;
3017                                 } else {
3018                                         ast_mutex_init(&a->lock);
3019                                         ast_copy_string(a->type, v->value, sizeof(a->type));
3020
3021                                         a->next = d->addons;
3022                                         d->addons = a;
3023                                 }
3024                         } else if (!strcasecmp(v->name, "trunk") || !strcasecmp(v->name, "line")) {
3025                                 if (!(l = ast_calloc(1, sizeof(*l)))) {
3026                                         return NULL;
3027                                 } else {
3028                                         ast_mutex_init(&l->lock);
3029                                         ast_copy_string(l->name, v->value, sizeof(l->name));
3030
3031                                         /* XXX Should we check for uniqueness?? XXX */
3032                                         ast_copy_string(l->context, context, sizeof(l->context));
3033                                         ast_copy_string(l->cid_num, cid_num, sizeof(l->cid_num));
3034                                         ast_copy_string(l->cid_name, cid_name, sizeof(l->cid_name));
3035                                         ast_copy_string(l->label, linelabel, sizeof(l->label));
3036                                         ast_copy_string(l->language, language, sizeof(l->language));
3037                                         ast_copy_string(l->mohinterpret, mohinterpret, sizeof(l->mohinterpret));
3038                                         ast_copy_string(l->mohsuggest, mohsuggest, sizeof(l->mohsuggest));
3039                                         ast_copy_string(l->regexten, regexten, sizeof(l->regexten));
3040                                         ast_copy_string(l->mailbox, mailbox, sizeof(l->mailbox));
3041                                         if (!ast_strlen_zero(mailbox))
3042                                                 ast_verb(3, "Setting mailbox '%s' on %s@%s\n", mailbox, d->name, l->name);
3043                                         ast_copy_string(l->vmexten, device_vmexten, sizeof(vmexten));
3044                                         l->chanvars = chanvars;
3045                                         l->msgstate = -1;
3046                                         l->capability = d->capability;
3047                                         l->prefs = d->prefs;
3048                                         l->parent = d;
3049                                         if (!strcasecmp(v->name, "trunk")) {
3050                                                 l->type = TYPE_TRUNK;
3051                                         } else {
3052                                                 l->type = TYPE_LINE;
3053                                         }
3054                                         l->immediate = immediate;
3055                                         l->callgroup = cur_callergroup;
3056                                         l->pickupgroup = cur_pickupgroup;
3057                                         l->callreturn = callreturn;
3058                                         l->cancallforward = cancallforward;
3059                                         l->getforward = 0;
3060                                         set_callforwards(l, NULL, 0);
3061                                         l->callwaiting = callwaiting;
3062                                         l->transfer = transfer;
3063                                         l->threewaycalling = threewaycalling;
3064                                         l->mwiblink = mwiblink;
3065                                         l->onhooktime = time(NULL);
3066                                         l->instance = lineInstance++;
3067                                         /* ASSUME we're onhook at this point */
3068                                         l->hookstate = SKINNY_ONHOOK;
3069                                         l->nat = nat;
3070                                         l->canreinvite = canreinvite;
3071
3072                                         l->next = d->lines;
3073                                         d->lines = l;
3074                                 }
3075                         } else {
3076                                 ast_log(LOG_WARNING, "Don't know keyword '%s' at line %d\n", v->name, v->lineno);
3077                         }
3078                         v = v->next;
3079                 }
3080
3081                 if (!d->lines) {
3082                         ast_log(LOG_ERROR, "A Skinny device must have at least one line!\n");
3083                         return NULL;
3084                 }
3085                 if (/*d->addr.sin_addr.s_addr && */!ntohs(d->addr.sin_port)) {
3086                         d->addr.sin_port = htons(DEFAULT_SKINNY_PORT);
3087                 }
3088 #if 0
3089                 /* I don't think we need this anymore at all, since d->ourip is set in skinny_register now */
3090                 if (d->addr.sin_addr.s_addr) {
3091                         /* XXX See note above, in 'host' option. */
3092                         if (ast_ouraddrfor(&d->addr.sin_addr, &d->ourip)) {
3093                                 d->ourip = __ourip;
3094                         }
3095                 } else {
3096                         d->ourip = __ourip;
3097                 }
3098 #endif
3099         }
3100         return d;
3101 }
3102
3103 static void start_rtp(struct skinny_subchannel *sub)
3104 {
3105         struct skinny_line *l = sub->parent;
3106         struct skinny_device *d = l->parent;
3107         int hasvideo = 0;
3108
3109         ast_mutex_lock(&sub->lock);
3110         /* Allocate the RTP */
3111         sub->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
3112         if (hasvideo)
3113                 sub->vrtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
3114         
3115         if (sub->rtp && sub->owner) {
3116                 ast_channel_set_fd(sub->owner, 0, ast_rtp_fd(sub->rtp));
3117                 ast_channel_set_fd(sub->owner, 1, ast_rtcp_fd(sub->rtp));
3118         }
3119         if (hasvideo && sub->vrtp && sub->owner) {
3120                 ast_channel_set_fd(sub->owner, 2, ast_rtp_fd(sub->vrtp));
3121                 ast_channel_set_fd(sub->owner, 3, ast_rtcp_fd(sub->vrtp));
3122         }
3123         if (sub->rtp) {
3124                 ast_rtp_setqos(sub->rtp, tos_audio, cos_audio, "Skinny RTP");
3125                 ast_rtp_setnat(sub->rtp, l->nat);
3126         }
3127         if (sub->vrtp) {
3128                 ast_rtp_setqos(sub->vrtp, tos_video, cos_video, "Skinny VRTP");
3129                 ast_rtp_setnat(sub->vrtp, l->nat);
3130         }
3131         /* Set Frame packetization */
3132         if (sub->rtp)
3133                 ast_rtp_codec_setpref(sub->rtp, &l->prefs);
3134
3135         /* Create the RTP connection */
3136         transmit_connect(d->session, sub);
3137         ast_mutex_unlock(&sub->lock);
3138 }
3139
3140 static void *skinny_newcall(void *data)
3141 {
3142         struct ast_channel *c = data;
3143         struct skinny_subchannel *sub = c->tech_pvt;
3144         struct skinny_line *l = sub->parent;
3145         struct skinny_device *d = l->parent;
3146         struct skinnysession *s = d->session;
3147         int res = 0;
3148
3149         ast_copy_string(l->lastnumberdialed, c->exten, sizeof(l->lastnumberdialed));
3150         ast_set_callerid(c,
3151                 l->hidecallerid ? "" : l->cid_num,
3152                 l->hidecallerid ? "" : l->cid_name,
3153                 c->cid.cid_ani ? NULL : l->cid_num);
3154         ast_setstate(c, AST_STATE_RING);
3155         if (!sub->rtp) {
3156                 start_rtp(sub);
3157         }
3158         res = ast_pbx_run(c);
3159         if (res) {
3160                 ast_log(LOG_WARNING, "PBX exited non-zero\n");
3161                 transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
3162         }
3163         return NULL;
3164 }
3165
3166 static void *skinny_ss(void *data)
3167 {
3168         struct ast_channel *c = data;
3169         struct skinny_subchannel *sub = c->tech_pvt;
3170         struct skinny_line *l = sub->parent;
3171         struct skinny_device *d = l->parent;
3172         struct skinnysession *s = d->session;
3173         int len = 0;
3174         int timeout = firstdigittimeout;
3175         int res = 0;
3176         int loop_pause = 100;
3177
3178         ast_verb(3, "Starting simple switch on '%s@%s'\n", l->name, d->name);
3179
3180         len = strlen(d->exten);
3181
3182         while (len < AST_MAX_EXTENSION-1) {
3183                 res = 1;  /* Assume that we will get a digit */
3184                 while (strlen(d->exten) == len){
3185                         ast_safe_sleep(c, loop_pause);
3186                         timeout -= loop_pause;
3187                         if ( (timeout -= loop_pause) <= 0){
3188                                  res = 0;
3189                                  break;
3190                         }
3191                 res = 1;
3192                 }
3193
3194                 timeout = 0;
3195                 len = strlen(d->exten);
3196
3197                 if (!ast_ignore_pattern(c->context, d->exten)) {
3198                         transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
3199                 }
3200                 if (ast_exists_extension(c, c->context, d->exten, 1, l->cid_num)) {
3201                         if (!res || !ast_matchmore_extension(c, c->context, d->exten, 1, l->cid_num)) {
3202                                 if (l->getforward) {
3203                                         /* Record this as the forwarding extension */
3204                                         set_callforwards(l, d->exten, l->getforward);
3205                                         ast_verb(3, "Setting call forward (%d) to '%s' on channel %s\n",
3206                                                         l->cfwdtype, d->exten, c->name);
3207                                         transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
3208                                         transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_ON);
3209                                         transmit_displaynotify(s, "CFwd enabled", 10);
3210                                         transmit_cfwdstate(s, l);
3211                                         ast_safe_sleep(c, 500);
3212                                         ast_indicate(c, -1);
3213                                         ast_safe_sleep(c, 1000);
3214                                         memset(d->exten, 0, sizeof(d->exten));
3215                                         len = 0;
3216                                         l->getforward = 0;
3217                                         if (sub->owner && sub->owner->_state != AST_STATE_UP) {
3218                                                 ast_indicate(c, -1);
3219                                                 ast_hangup(c);
3220                                         }
3221                                         return NULL;
3222                                 } else {
3223                                         ast_copy_string(c->exten, d->exten, sizeof(c->exten));
3224                                         ast_copy_string(l->lastnumberdialed, d->exten, sizeof(l->lastnumberdialed));
3225                                         memset(d->exten, 0, sizeof(d->exten));
3226                                         skinny_newcall(c);
3227                                         return NULL;
3228                                 }
3229                         } else {
3230                                 /* It's a match, but they just typed a digit, and there is an ambiguous match,
3231                                    so just set the timeout to matchdigittimeout and wait some more */
3232                                 timeout = matchdigittimeout;
3233                         }
3234                 } else if (res == 0) {
3235                         ast_debug(1, "Not enough digits (%s) (and no ambiguous match)...\n", d->exten);
3236                         memset(d->exten, 0, sizeof(d->exten));
3237                         transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
3238                         if (sub->owner && sub->owner->_state != AST_STATE_UP) {
3239                                 ast_indicate(c, -1);
3240                                 ast_hangup(c);
3241                         }
3242                         return NULL;
3243                 } else if (!ast_canmatch_extension(c, c->context, d->exten, 1, c->cid.cid_num) &&
3244                            ((d->exten[0] != '*') || (!ast_strlen_zero(d->exten) > 2))) {
3245                         ast_log(LOG_WARNING, "Can't match [%s] from '%s' in context %s\n", d->exten, c->cid.cid_num ? c->cid.cid_num : "<Unknown Caller>", c->context);
3246                         memset(d->exten, 0, sizeof(d->exten));
3247                         transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
3248                         /* hang out for 3 seconds to let congestion play */
3249                         ast_safe_sleep(c, 3000);
3250                         break;
3251                 }
3252                 if (!timeout) {
3253                         timeout = gendigittimeout;
3254                 }
3255                 if (len && !ast_ignore_pattern(c->context, d->exten)) {
3256                         ast_indicate(c, -1);
3257                 }
3258         }
3259         if (c)
3260                 ast_hangup(c);
3261         memset(d->exten, 0, sizeof(d->exten));
3262         return NULL;
3263 }
3264
3265
3266
3267 static int skinny_call(struct ast_channel *ast, char *dest, int timeout)
3268 {
3269         int res = 0;
3270         int tone = 0;
3271         struct skinny_subchannel *sub = ast->tech_pvt;
3272         struct skinny_line *l = sub->parent;
3273         struct skinny_device *d = l->parent;
3274         struct skinnysession *s = d->session;
3275
3276         if (!d->registered) {
3277                 ast_log(LOG_ERROR, "Device not registered, cannot call %s\n", dest);
3278                 return -1;
3279         }
3280
3281         if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) {
3282                 ast_log(LOG_WARNING, "skinny_call called on %s, neither down nor reserved\n", ast->name);
3283                 return -1;
3284         }
3285
3286         if (skinnydebug)
3287                 ast_verb(3, "skinny_call(%s)\n", ast->name);
3288
3289         if (l->dnd) {
3290                 ast_queue_control(ast, AST_CONTROL_BUSY);
3291                 return -1;
3292         }
3293
3294         switch (l->hookstate) {
3295         case SKINNY_OFFHOOK:
3296                 tone = SKINNY_CALLWAITTONE;
3297                 break;
3298         case SKINNY_ONHOOK:
3299                 tone = SKINNY_ALERT;
3300                 break;
3301         default:
3302                 ast_log(LOG_ERROR, "Don't know how to deal with hookstate %d\n", l->hookstate);
3303                 break;
3304         }
3305
3306         transmit_callstate(s, l->instance, SKINNY_RINGIN, sub->callid);
3307         transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_RINGIN);
3308         transmit_displaypromptstatus(s, "Ring-In", 0, l->instance, sub->callid);
3309         transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, l->cid_name, l->cid_num, l->instance, sub->callid, 1);
3310         transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_BLINK);
3311         transmit_ringer_mode(s, SKINNY_RING_INSIDE);
3312
3313         ast_setstate(ast, AST_STATE_RINGING);
3314         ast_queue_control(ast, AST_CONTROL_RINGING);
3315         sub->outgoing = 1;
3316         return res;
3317 }
3318
3319 static int skinny_hangup(struct ast_channel *ast)
3320 {
3321         struct skinny_subchannel *sub = ast->tech_pvt;
3322         struct skinny_line *l;
3323         struct skinny_device *d;
3324         struct skinnysession *s;
3325
3326         if (!sub) {
3327                 ast_debug(1, "Asked to hangup channel not connected\n");
3328                 return 0;
3329         }
3330         l = sub->parent;
3331         d = l->parent;
3332         s = d->session;
3333         if (skinnydebug)
3334                 ast_debug(1, "skinny_hangup(%s) on %s@%s\n", ast->name, l->name, d->name);
3335
3336         if (d->registered) {
3337                 if ((l->type = TYPE_LINE) && (l->hookstate == SKINNY_OFFHOOK)) {
3338                         l->hookstate = SKINNY_ONHOOK;
3339                         transmit_callstate(s, l->instance, SKINNY_ONHOOK, sub->callid);
3340                         transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_OFF);
3341                         transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
3342                 } else if ((l->type = TYPE_LINE) && (l->hookstate == SKINNY_ONHOOK)) {
3343                         transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
3344                         transmit_callstate(s, l->instance, SKINNY_ONHOOK, sub->callid);
3345                         transmit_ringer_mode(s, SKINNY_RING_OFF);
3346                         transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_OFF);
3347                         do_housekeeping(s);
3348                 }
3349         }
3350         ast_mutex_lock(&sub->lock);
3351         sub->owner = NULL;
3352         ast->tech_pvt = NULL;
3353         sub->alreadygone = 0;
3354         sub->outgoing = 0;
3355         if (sub->rtp) {
3356                 ast_rtp_destroy(sub->rtp);
3357                 sub->rtp = NULL;
3358         }
3359         ast_mutex_unlock(&sub->lock);
3360         return 0;
3361 }
3362
3363 static int skinny_answer(struct ast_channel *ast)
3364 {
3365         int res = 0;
3366         struct skinny_subchannel *sub = ast->tech_pvt;
3367         struct skinny_line *l = sub->parent;
3368         struct skinny_device *d = l->parent;
3369         struct skinnysession *s = d->session;
3370         char exten[AST_MAX_EXTENSION] = "";
3371
3372         ast_copy_string(exten, S_OR(ast->macroexten, ast->exten), sizeof(exten));
3373
3374         sub->cxmode = SKINNY_CX_SENDRECV;
3375         if (!sub->rtp) {
3376                 start_rtp(sub);
3377         }
3378         if (skinnydebug)
3379                 ast_debug(1, "skinny_answer(%s) on %s@%s-%d\n", ast->name, l->name, d->name, sub->callid);
3380         if (ast->_state != AST_STATE_UP) {
3381                 ast_setstate(ast, AST_STATE_UP);
3382         }
3383
3384         transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
3385         /* order matters here...
3386            for some reason, transmit_callinfo must be before transmit_callstate,
3387            or you won't get keypad messages in some situations. */
3388         transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, exten, exten, l->instance, sub->callid, 2);
3389         transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
3390         transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
3391         transmit_dialednumber(s, exten, l->instance, sub->callid);
3392         transmit_displaypromptstatus(s, "Connected", 0, l->instance, sub->callid);
3393         return res;
3394 }
3395
3396 /* Retrieve audio/etc from channel.  Assumes sub->lock is already held. */
3397 static struct ast_frame *skinny_rtp_read(struct skinny_subchannel *sub)
3398 {
3399         struct ast_channel *ast = sub->owner;
3400         struct ast_frame *f;
3401
3402         if (!sub->rtp) {
3403                 /* We have no RTP allocated for this channel */
3404                 return &ast_null_frame;
3405         }
3406
3407         switch(ast->fdno) {
3408         case 0:
3409                 f = ast_rtp_read(sub->rtp);     /* RTP Audio */
3410                 break;
3411         case 1:
3412                 f = ast_rtcp_read(sub->rtp);    /* RTCP Control Channel */
3413                 break;
3414         case 2:
3415                 f = ast_rtp_read(sub->vrtp);    /* RTP Video */
3416                 break;
3417         case 3:
3418                 f = ast_rtcp_read(sub->vrtp);   /* RTCP Control Channel for video */
3419                 break;
3420 #if 0
3421         case 5:
3422                 /* Not yet supported */
3423                 f = ast_udptl_read(sub->udptl); /* UDPTL for T.38 */
3424                 break;
3425 #endif
3426         default:
3427                 f = &ast_null_frame;
3428         }
3429
3430         if (ast) {
3431                 /* We already hold the channel lock */
3432                 if (f->frametype == AST_FRAME_VOICE) {
3433                         if (f->subclass != ast->nativeformats) {
3434                                 ast_debug(1, "Oooh, format changed to %d\n", f->subclass);
3435                                 ast->nativeformats = f->subclass;
3436                                 ast_set_read_format(ast, ast->readformat);
3437                                 ast_set_write_format(ast, ast->writeformat);
3438                         }
3439                 }
3440         }
3441         return f;
3442 }
3443
3444 static struct ast_frame *skinny_read(struct ast_channel *ast)
3445 {
3446         struct ast_frame *fr;
3447         struct skinny_subchannel *sub = ast->tech_pvt;
3448         ast_mutex_lock(&sub->lock);
3449         fr = skinny_rtp_read(sub);
3450         ast_mutex_unlock(&sub->lock);
3451         return fr;
3452 }
3453
3454 static int skinny_write(struct ast_channel *ast, struct ast_frame *frame)
3455 {
3456         struct skinny_subchannel *sub = ast->tech_pvt;
3457         int res = 0;
3458         if (frame->frametype != AST_FRAME_VOICE) {
3459                 if (frame->frametype == AST_FRAME_IMAGE) {
3460                         return 0;
3461                 } else {
3462                         ast_log(LOG_WARNING, "Can't send %d type frames with skinny_write\n", frame->frametype);
3463                         return 0;
3464                 }
3465         } else {
3466                 if (!(frame->subclass & ast->nativeformats)) {
3467                         ast_log(LOG_WARNING, "Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n",
3468                                 frame->subclass, ast->nativeformats, ast->readformat, ast->writeformat);
3469                         return -1;
3470                 }
3471         }
3472         if (sub) {
3473                 ast_mutex_lock(&sub->lock);
3474                 if (sub->rtp) {
3475                         res = ast_rtp_write(sub->rtp, frame);
3476                 }
3477                 ast_mutex_unlock(&sub->lock);
3478         }
3479         return res;
3480 }
3481
3482 static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
3483 {
3484         struct skinny_subchannel *sub = newchan->tech_pvt;
3485         ast_log(LOG_NOTICE, "skinny_fixup(%s, %s)\n", oldchan->name, newchan->name);
3486         if (sub->owner != oldchan) {
3487                 ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, sub->owner);
3488                 return -1;
3489         }
3490         sub->owner = newchan;
3491         return 0;
3492 }
3493
3494 static int skinny_senddigit_begin(struct ast_channel *ast, char digit)
3495 {
3496         return -1; /* Start inband indications */
3497 }
3498
3499 static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration)
3500 {
3501 #if 0
3502         struct skinny_subchannel *sub = ast->tech_pvt;
3503         struct skinny_line *l = sub->parent;
3504         struct skinny_device *d = l->parent;
3505         int tmp;
3506         /* not right */
3507         sprintf(tmp, "%d", digit);
3508         transmit_tone(d->session, digit, l->instance, sub->callid);
3509 #endif
3510         return -1; /* Stop inband indications */
3511 }
3512
3513 static int get_devicestate(struct skinny_line *l)
3514 {
3515         struct skinny_subchannel *sub;
3516         int res = AST_DEVICE_UNKNOWN;
3517
3518         if (!l)
3519                 res = AST_DEVICE_INVALID;
3520         else if (!l->parent)
3521                 res = AST_DEVICE_UNAVAILABLE;
3522         else if (l->dnd)
3523                 res = AST_DEVICE_BUSY;
3524         else {
3525                 if (l->hookstate == SKINNY_ONHOOK) {
3526                         res = AST_DEVICE_NOT_INUSE;
3527                 } else {
3528                         res = AST_DEVICE_INUSE;
3529                 }
3530
3531                 for (sub = l->sub; sub; sub = sub->next) {
3532                         if (sub->onhold) {
3533                                 res = AST_DEVICE_ONHOLD;
3534                                 break;
3535                         }
3536                 }
3537         }
3538
3539         return res;
3540 }
3541
3542 static char *control2str(int ind) {
3543         char *tmp;
3544
3545         switch (ind) {
3546         case AST_CONTROL_HANGUP:
3547                 return "Other end has hungup";
3548         case AST_CONTROL_RING:
3549                 return "Local ring";
3550         case AST_CONTROL_RINGING:
3551                 return "Remote end is ringing";
3552         case AST_CONTROL_ANSWER:
3553                 return "Remote end has answered";
3554         case AST_CONTROL_BUSY:
3555                 return "Remote end is busy";
3556         case AST_CONTROL_TAKEOFFHOOK:
3557                 return "Make it go off hook";
3558         case AST_CONTROL_OFFHOOK:
3559                 return "Line is off hook";
3560         case AST_CONTROL_CONGESTION:
3561                 return "Congestion (circuits busy)";
3562         case AST_CONTROL_FLASH:
3563                 return "Flash hook";
3564         case AST_CONTROL_WINK:
3565                 return "Wink";
3566         case AST_CONTROL_OPTION:
3567                 return "Set a low-level option";
3568         case AST_CONTROL_RADIO_KEY:
3569                 return "Key Radio";
3570         case AST_CONTROL_RADIO_UNKEY:
3571                 return "Un-Key Radio";
3572         case AST_CONTROL_PROGRESS:
3573                 return "Remote end is making Progress";
3574         case AST_CONTROL_PROCEEDING:
3575                 return "Remote end is proceeding";
3576         case AST_CONTROL_HOLD:
3577                 return "Hold";
3578         case AST_CONTROL_UNHOLD:
3579                 return "Unhold";
3580         case -1:
3581                 return "Stop tone";
3582         default:
3583                 if (!(tmp = ast_threadstorage_get(&control2str_threadbuf, CONTROL2STR_BUFSIZE)))
3584                         return "Unknown";
3585                 snprintf(tmp, CONTROL2STR_BUFSIZE, "UNKNOWN-%d", ind);
3586                 return tmp;
3587         }
3588 }
3589
3590
3591 static int skinny_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen)
3592 {
3593         struct skinny_subchannel *sub = ast->tech_pvt;
3594         struct skinny_line *l = sub->parent;
3595         struct skinny_device *d = l->parent;
3596         struct skinnysession *s = d->session;
3597         char exten[AST_MAX_EXTENSION] = "";
3598
3599         if (!s) {
3600                 ast_log(LOG_NOTICE, "Asked to indicate '%s' condition on channel %s, but session does not exist.\n", control2str(ind), ast->name);
3601                 return -1;
3602         }
3603
3604         ast_copy_string(exten, S_OR(ast->macroexten, ast->exten), sizeof(exten));
3605
3606         if (skinnydebug)
3607                 ast_verb(3, "Asked to indicate '%s' condition on channel %s\n", control2str(ind), ast->name);
3608         switch(ind) {
3609         case AST_CONTROL_RINGING:
3610                 if (ast->_state != AST_STATE_UP) {
3611                         if (!sub->progress) {
3612                                 if (!d->earlyrtp) {
3613                                         transmit_tone(s, SKINNY_ALERT, l->instance, sub->callid);
3614                                 }
3615                                 transmit_callstate(s, l->instance, SKINNY_RINGOUT, sub->callid);
3616                                 transmit_dialednumber(s, exten, l->instance, sub->callid);
3617                                 transmit_displaypromptstatus(s, "Ring Out", 0, l->instance, sub->callid);
3618                                 transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, exten, exten, l->instance, sub->callid, 2); /* 2 = outgoing from phone */
3619                                 sub->ringing = 1;
3620                                 if (!d->earlyrtp) {
3621                                         break;
3622                                 }
3623                         }
3624                 }
3625                 return -1; /* Tell asterisk to provide inband signalling */
3626         case AST_CONTROL_BUSY:
3627                 if (ast->_state != AST_STATE_UP) {
3628                         if (!d->earlyrtp) {
3629                                 transmit_tone(s, SKINNY_BUSYTONE, l->instance, sub->callid);
3630                         }
3631                         transmit_callstate(s, l->instance, SKINNY_BUSY, sub->callid);
3632                         sub->alreadygone = 1;
3633                         ast_softhangup_nolock(ast, AST_SOFTHANGUP_DEV);
3634                         if (!d->earlyrtp) {
3635                                 break;
3636                         }
3637                 }
3638                 return -1; /* Tell asterisk to provide inband signalling */
3639         case AST_CONTROL_CONGESTION:
3640                 if (ast->_state != AST_STATE_UP) {
3641                         if (!d->earlyrtp) {
3642                                 transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
3643                         }
3644                         transmit_callstate(s, l->instance, SKINNY_CONGESTION, sub->callid);
3645                         sub->alreadygone = 1;
3646                         ast_softhangup_nolock(ast, AST_SOFTHANGUP_DEV);
3647                         if (!d->earlyrtp) {
3648                                 break;
3649                         }
3650                 }
3651                 return -1; /* Tell asterisk to provide inband signalling */
3652         case AST_CONTROL_PROGRESS:
3653                 if ((ast->_state != AST_STATE_UP) && !sub->progress && !sub->outgoing) {
3654                         if (!d->earlyrtp) {
3655                                 transmit_tone(s, SKINNY_ALERT, l->instance, sub->callid);
3656                         }
3657                         transmit_callstate(s, l->instance, SKINNY_PROGRESS, sub->callid);
3658                         transmit_displaypromptstatus(s, "Call Progress", 0, l->instance, sub->callid);
3659