Move all messages wrapped in skinnydebug from debug to verbose.
[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_7914              124     /* Expansion module */
1005 #define SKINNY_DEVICE_7985              302
1006 #define SKINNY_DEVICE_7911              307
1007 #define SKINNY_DEVICE_7961GE            308
1008 #define SKINNY_DEVICE_7941GE            309
1009 #define SKINNY_DEVICE_7931              348
1010 #define SKINNY_DEVICE_7921              365
1011 #define SKINNY_DEVICE_7906              369
1012 #define SKINNY_DEVICE_7962              404     /* Not found */
1013 #define SKINNY_DEVICE_7937              431
1014 #define SKINNY_DEVICE_7942              434
1015 #define SKINNY_DEVICE_7945              435
1016 #define SKINNY_DEVICE_7965              436
1017 #define SKINNY_DEVICE_7975              437
1018 #define SKINNY_DEVICE_7905              20000
1019 #define SKINNY_DEVICE_7920              30002
1020 #define SKINNY_DEVICE_7970              30006
1021 #define SKINNY_DEVICE_7912              30007
1022 #define SKINNY_DEVICE_7902              30008
1023 #define SKINNY_DEVICE_CIPC              30016   /* Cisco IP Communicator */
1024 #define SKINNY_DEVICE_7961              30018
1025 #define SKINNY_DEVICE_7936              30019
1026 #define SKINNY_DEVICE_SCCPGATEWAY_AN    30027   /* ??? */
1027 #define SKINNY_DEVICE_SCCPGATEWAY_BRI   30028   /* ??? */
1028
1029 #define SKINNY_SPEAKERON 1
1030 #define SKINNY_SPEAKEROFF 2
1031
1032 #define SKINNY_MICON 1
1033 #define SKINNY_MICOFF 2
1034
1035 #define SKINNY_OFFHOOK 1
1036 #define SKINNY_ONHOOK 2
1037 #define SKINNY_RINGOUT 3
1038 #define SKINNY_RINGIN 4
1039 #define SKINNY_CONNECTED 5
1040 #define SKINNY_BUSY 6
1041 #define SKINNY_CONGESTION 7
1042 #define SKINNY_HOLD 8
1043 #define SKINNY_CALLWAIT 9
1044 #define SKINNY_TRANSFER 10
1045 #define SKINNY_PARK 11
1046 #define SKINNY_PROGRESS 12
1047 #define SKINNY_CALLREMOTEMULTILINE 13
1048 #define SKINNY_INVALID 14
1049
1050 #define SKINNY_SILENCE          0x00
1051 #define SKINNY_DIALTONE         0x21
1052 #define SKINNY_BUSYTONE         0x23
1053 #define SKINNY_ALERT            0x24
1054 #define SKINNY_REORDER          0x25
1055 #define SKINNY_CALLWAITTONE     0x2D
1056 #define SKINNY_NOTONE           0x7F
1057
1058 #define SKINNY_LAMP_OFF 1
1059 #define SKINNY_LAMP_ON 2
1060 #define SKINNY_LAMP_WINK 3
1061 #define SKINNY_LAMP_FLASH 4
1062 #define SKINNY_LAMP_BLINK 5
1063
1064 #define SKINNY_RING_OFF 1
1065 #define SKINNY_RING_INSIDE 2
1066 #define SKINNY_RING_OUTSIDE 3
1067 #define SKINNY_RING_FEATURE 4
1068
1069 #define SKINNY_CFWD_ALL       (1 << 0)
1070 #define SKINNY_CFWD_BUSY      (1 << 1)
1071 #define SKINNY_CFWD_NOANSWER  (1 << 2)
1072
1073 #define TYPE_TRUNK 1
1074 #define TYPE_LINE 2
1075
1076 /* Skinny rtp stream modes. Do we really need this? */
1077 #define SKINNY_CX_SENDONLY      0
1078 #define SKINNY_CX_RECVONLY      1
1079 #define SKINNY_CX_SENDRECV      2
1080 #define SKINNY_CX_CONF          3
1081 #define SKINNY_CX_CONFERENCE    3
1082 #define SKINNY_CX_MUTE          4
1083 #define SKINNY_CX_INACTIVE      4
1084
1085 #if 0
1086 static char *skinny_cxmodes[] = {
1087         "sendonly",
1088         "recvonly",
1089         "sendrecv",
1090         "confrnce",
1091         "inactive"
1092 };
1093 #endif
1094
1095 /* driver scheduler */
1096 static struct sched_context *sched = NULL;
1097 static struct io_context *io;
1098
1099 /* Protect the monitoring thread, so only one process can kill or start it, and not
1100    when it's doing something critical. */
1101 AST_MUTEX_DEFINE_STATIC(monlock);
1102 /* Protect the network socket */
1103 AST_MUTEX_DEFINE_STATIC(netlock);
1104 /* Protect the session list */
1105 AST_MUTEX_DEFINE_STATIC(sessionlock);
1106 /* Protect the device list */
1107 AST_MUTEX_DEFINE_STATIC(devicelock);
1108 #if 0
1109 /* Protect the paging device list */
1110 AST_MUTEX_DEFINE_STATIC(pagingdevicelock);
1111 #endif
1112
1113 /* This is the thread for the monitor which checks for input on the channels
1114    which are not currently in use. */
1115 static pthread_t monitor_thread = AST_PTHREADT_NULL;
1116
1117 /* Wait up to 16 seconds for first digit */
1118 static int firstdigittimeout = 16000;
1119
1120 /* How long to wait for following digits */
1121 static int gendigittimeout = 8000;
1122
1123 /* How long to wait for an extra digit, if there is an ambiguous match */
1124 static int matchdigittimeout = 3000;
1125
1126 struct skinny_subchannel {
1127         ast_mutex_t lock;
1128         struct ast_channel *owner;
1129         struct ast_rtp *rtp;
1130         struct ast_rtp *vrtp;
1131         unsigned int callid;
1132         /* time_t lastouttime; */                       /* Unused */
1133         int progress;
1134         int ringing;
1135         int onhold;
1136         /* int lastout; */                              /* Unused */
1137         int cxmode;
1138         int nat;
1139         int outgoing;
1140         int alreadygone;
1141
1142         struct skinny_subchannel *next;
1143         struct skinny_line *parent;
1144 };
1145
1146 struct skinny_line {
1147         ast_mutex_t lock;
1148         char name[80];
1149         char label[24];                                 /* Label that shows next to the line buttons */
1150         char accountcode[AST_MAX_ACCOUNT_CODE];
1151         char exten[AST_MAX_EXTENSION];                  /* Extension where to start */
1152         char context[AST_MAX_CONTEXT];
1153         char language[MAX_LANGUAGE];
1154         char cid_num[AST_MAX_EXTENSION];                /* Caller*ID */
1155         char cid_name[AST_MAX_EXTENSION];               /* Caller*ID */
1156         char lastcallerid[AST_MAX_EXTENSION];           /* Last Caller*ID */
1157         int cfwdtype;
1158         char call_forward_all[AST_MAX_EXTENSION];
1159         char call_forward_busy[AST_MAX_EXTENSION];
1160         char call_forward_noanswer[AST_MAX_EXTENSION];
1161         char mailbox[AST_MAX_EXTENSION];
1162         char vmexten[AST_MAX_EXTENSION];
1163         char regexten[AST_MAX_EXTENSION];               /* Extension for auto-extensions */
1164         char regcontext[AST_MAX_CONTEXT];               /* Context for auto-extensions */
1165         char mohinterpret[MAX_MUSICCLASS];
1166         char mohsuggest[MAX_MUSICCLASS];
1167         char lastnumberdialed[AST_MAX_EXTENSION];       /* Last number that was dialed - used for redial */
1168         int curtone;                                    /* Current tone being played */
1169         ast_group_t callgroup;
1170         ast_group_t pickupgroup;
1171         int callwaiting;
1172         int transfer;
1173         int threewaycalling;
1174         int mwiblink;
1175         int cancallforward;
1176         int getforward;
1177         int callreturn;
1178         int dnd; /* How does this affect callwait?  Do we just deny a skinny_request if we're dnd? */
1179         int hascallerid;
1180         int hidecallerid;
1181         int amaflags;
1182         int type;
1183         int instance;
1184         int group;
1185         int needdestroy;
1186         int capability;
1187         int nonCodecCapability;
1188         int onhooktime;
1189         int msgstate;                                   /* voicemail message state */
1190         int immediate;
1191         int hookstate;
1192         int nat;
1193         int canreinvite;
1194
1195         struct ast_codec_pref prefs;
1196         struct skinny_subchannel *sub;
1197         struct skinny_line *next;
1198         struct skinny_device *parent;
1199         struct ast_variable *chanvars;          /*!< Channel variables to set for inbound call */
1200 };
1201
1202 struct skinny_speeddial {
1203         ast_mutex_t lock;
1204         char label[42];
1205         char context[AST_MAX_CONTEXT];
1206         char exten[AST_MAX_EXTENSION];
1207         int instance;
1208         int stateid;
1209         int laststate;
1210         int isHint;
1211
1212         struct skinny_speeddial *next;
1213         struct skinny_device *parent;
1214 };
1215
1216 struct skinny_addon {
1217         ast_mutex_t lock;
1218         char type[10];
1219
1220         struct skinny_addon *next;
1221         struct skinny_device *parent;
1222 };
1223
1224 static struct skinny_device {
1225         /* A device containing one or more lines */
1226         char name[80];
1227         char id[16];
1228         char version_id[16];
1229         char exten[AST_MAX_EXTENSION];          /* Cruddy variable name, pick a better one */
1230         int type;
1231         int registered;
1232         int lastlineinstance;
1233         int lastcallreference;
1234         int capability;
1235         int earlyrtp;
1236         struct sockaddr_in addr;
1237         struct in_addr ourip;
1238         struct skinny_line *lines;
1239         struct skinny_speeddial *speeddials;
1240         struct skinny_addon *addons;
1241         struct ast_codec_pref prefs;
1242         struct ast_ha *ha;
1243         struct skinnysession *session;
1244         struct skinny_device *next;
1245 } *devices = NULL;
1246
1247 struct skinny_paging_device {
1248         char name[80];
1249         char id[16];
1250         struct skinny_device ** devices;
1251         struct skinny_paging_device *next;
1252 };
1253
1254 static struct skinnysession {
1255         pthread_t t;
1256         ast_mutex_t lock;
1257         struct sockaddr_in sin;
1258         int fd;
1259         char inbuf[SKINNY_MAX_PACKET];
1260         char outbuf[SKINNY_MAX_PACKET];
1261         struct skinny_device *device;
1262         struct skinnysession *next;
1263 } *sessions = NULL;
1264
1265 static struct ast_channel *skinny_request(const char *type, int format, void *data, int *cause);
1266 static int skinny_devicestate(void *data);
1267 static int skinny_call(struct ast_channel *ast, char *dest, int timeout);
1268 static int skinny_hangup(struct ast_channel *ast);
1269 static int skinny_answer(struct ast_channel *ast);
1270 static struct ast_frame *skinny_read(struct ast_channel *ast);
1271 static int skinny_write(struct ast_channel *ast, struct ast_frame *frame);
1272 static int skinny_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen);
1273 static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
1274 static int skinny_senddigit_begin(struct ast_channel *ast, char digit);
1275 static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration);
1276 static int handle_time_date_req_message(struct skinny_req *req, struct skinnysession *s);
1277
1278 static const struct ast_channel_tech skinny_tech = {
1279         .type = "Skinny",
1280         .description = tdesc,
1281         .capabilities = AST_FORMAT_AUDIO_MASK,
1282         .properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER,
1283         .requester = skinny_request,
1284         .devicestate = skinny_devicestate,
1285         .call = skinny_call,
1286         .hangup = skinny_hangup,
1287         .answer = skinny_answer,
1288         .read = skinny_read,
1289         .write = skinny_write,
1290         .indicate = skinny_indicate,
1291         .fixup = skinny_fixup,
1292         .send_digit_begin = skinny_senddigit_begin,
1293         .send_digit_end = skinny_senddigit_end,
1294         .bridge = ast_rtp_bridge,  
1295 };
1296
1297 static int skinny_extensionstate_cb(char *context, char* exten, int state, void *data);
1298
1299 static void *get_button_template(struct skinnysession *s, struct button_definition_template *btn)
1300 {
1301         struct skinny_device *d = s->device;
1302         struct skinny_addon *a = d->addons;
1303         int i;
1304
1305         switch (d->type) {
1306                 case SKINNY_DEVICE_30SPPLUS:
1307                 case SKINNY_DEVICE_30VIP:
1308                         /* 13 rows, 2 columns */
1309                         for (i = 0; i < 4; i++)
1310                                 (btn++)->buttonDefinition = BT_CUST_LINE;
1311                         (btn++)->buttonDefinition = BT_REDIAL;
1312                         (btn++)->buttonDefinition = BT_VOICEMAIL;
1313                         (btn++)->buttonDefinition = BT_CALLPARK;
1314                         (btn++)->buttonDefinition = BT_FORWARDALL;
1315                         (btn++)->buttonDefinition = BT_CONFERENCE;
1316                         for (i = 0; i < 4; i++)
1317                                 (btn++)->buttonDefinition = BT_NONE;
1318                         for (i = 0; i < 13; i++)
1319                                 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1320                         
1321                         break;
1322                 case SKINNY_DEVICE_12SPPLUS:
1323                 case SKINNY_DEVICE_12SP:
1324                 case SKINNY_DEVICE_12:
1325                         /* 6 rows, 2 columns */
1326                         for (i = 0; i < 2; i++)
1327                                 (btn++)->buttonDefinition = BT_CUST_LINE;
1328                         for (i = 0; i < 4; i++)
1329                                 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1330                         (btn++)->buttonDefinition = BT_HOLD;
1331                         (btn++)->buttonDefinition = BT_REDIAL;
1332                         (btn++)->buttonDefinition = BT_TRANSFER;
1333                         (btn++)->buttonDefinition = BT_FORWARDALL;
1334                         (btn++)->buttonDefinition = BT_CALLPARK;
1335                         (btn++)->buttonDefinition = BT_VOICEMAIL;
1336                         break;
1337                 case SKINNY_DEVICE_7910:
1338                         (btn++)->buttonDefinition = BT_LINE;
1339                         (btn++)->buttonDefinition = BT_HOLD;
1340                         (btn++)->buttonDefinition = BT_TRANSFER;
1341                         (btn++)->buttonDefinition = BT_DISPLAY;
1342                         (btn++)->buttonDefinition = BT_VOICEMAIL;
1343                         (btn++)->buttonDefinition = BT_CONFERENCE;
1344                         (btn++)->buttonDefinition = BT_FORWARDALL;
1345                         for (i = 0; i < 2; i++)
1346                                 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1347                         (btn++)->buttonDefinition = BT_REDIAL;
1348                         break;
1349                 case SKINNY_DEVICE_7960:
1350                 case SKINNY_DEVICE_7961:
1351                 case SKINNY_DEVICE_7961GE:
1352                 case SKINNY_DEVICE_7962:
1353                 case SKINNY_DEVICE_7965:
1354                         for (i = 0; i < 6; i++)
1355                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1356                         break;
1357                 case SKINNY_DEVICE_7940:
1358                 case SKINNY_DEVICE_7941:
1359                 case SKINNY_DEVICE_7941GE:
1360                 case SKINNY_DEVICE_7942:
1361                 case SKINNY_DEVICE_7945:
1362                         for (i = 0; i < 2; i++)
1363                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1364                         break;
1365                 case SKINNY_DEVICE_7935:
1366                 case SKINNY_DEVICE_7936:
1367                         for (i = 0; i < 2; i++)
1368                                 (btn++)->buttonDefinition = BT_LINE;
1369                         break;
1370                 case SKINNY_DEVICE_ATA186:
1371                         (btn++)->buttonDefinition = BT_LINE;
1372                         break;
1373                 case SKINNY_DEVICE_7970:
1374                 case SKINNY_DEVICE_7971:
1375                 case SKINNY_DEVICE_7975:
1376                 case SKINNY_DEVICE_CIPC:
1377                         for (i = 0; i < 8; i++)
1378                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1379                         break;
1380                 case SKINNY_DEVICE_7985:
1381                         /* XXX I have no idea what the buttons look like on these. */
1382                         ast_log(LOG_WARNING, "Unsupported device type '%d (7985)' found.\n", d->type);
1383                         break;
1384                 case SKINNY_DEVICE_7912:
1385                 case SKINNY_DEVICE_7911:
1386                 case SKINNY_DEVICE_7905:
1387                         (btn++)->buttonDefinition = BT_LINE;
1388                         (btn++)->buttonDefinition = BT_HOLD;
1389                         break;
1390                 case SKINNY_DEVICE_7920:
1391                         /* XXX I don't know if this is right. */
1392                         for (i = 0; i < 4; i++)
1393                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1394                         break;
1395                 case SKINNY_DEVICE_7921:
1396                         for (i = 0; i < 6; i++)
1397                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1398                         break;
1399                 case SKINNY_DEVICE_7902:
1400                         ast_log(LOG_WARNING, "Unsupported device type '%d (7902)' found.\n", d->type);
1401                         break;
1402                 case SKINNY_DEVICE_7906:
1403                         ast_log(LOG_WARNING, "Unsupported device type '%d (7906)' found.\n", d->type);
1404                         break;
1405                 case SKINNY_DEVICE_7931:
1406                         ast_log(LOG_WARNING, "Unsupported device type '%d (7931)' found.\n", d->type);
1407                         break;
1408                 case SKINNY_DEVICE_7937:
1409                         ast_log(LOG_WARNING, "Unsupported device type '%d (7937)' found.\n", d->type);
1410                         break;
1411                 case SKINNY_DEVICE_7914:
1412                         ast_log(LOG_WARNING, "Unsupported device type '%d (7914)' found.  Expansion module registered by itself?\n", d->type);
1413                         break;
1414                 case SKINNY_DEVICE_SCCPGATEWAY_AN:
1415                 case SKINNY_DEVICE_SCCPGATEWAY_BRI:
1416                         ast_log(LOG_WARNING, "Unsupported device type '%d (SCCP gateway)' found.\n", d->type);
1417                         break;
1418                 default:
1419                         ast_log(LOG_WARNING, "Unknown device type '%d' found.\n", d->type);
1420                         break;
1421         }
1422
1423         for (a = d->addons; a; a = a->next) {
1424                 if (!strcasecmp(a->type, "7914")) {
1425                         for (i = 0; i < 14; i++)
1426                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1427                 } else {
1428                         ast_log(LOG_WARNING, "Unknown addon type '%s' found.  Skipping.\n", a->type);
1429                 }
1430         }
1431
1432         return btn;
1433 }
1434
1435 static struct skinny_req *req_alloc(size_t size, int response_message)
1436 {
1437         struct skinny_req *req;
1438
1439         if (!(req = ast_calloc(1, skinny_header_size + size + 4)))
1440                 return NULL;
1441
1442         req->len = htolel(size+4);
1443         req->e = htolel(response_message);
1444
1445         return req;
1446 }
1447
1448 static struct skinny_line *find_line_by_instance(struct skinny_device *d, int instance)
1449 {
1450         struct skinny_line *l;
1451
1452         /*Dialing from on hook or on a 7920 uses instance 0 in requests
1453           but we need to start looking at instance 1 */
1454
1455         if (!instance)
1456                 instance = 1;
1457
1458         for (l = d->lines; l; l = l->next) {
1459                 if (l->instance == instance)
1460                         break;
1461         }
1462
1463         if (!l) {
1464                 ast_log(LOG_WARNING, "Could not find line with instance '%d' on device '%s'\n", instance, d->name);
1465         }
1466         return l;
1467 }
1468
1469 static struct skinny_line *find_line_by_name(const char *dest)
1470 {
1471         struct skinny_line *l;
1472         struct skinny_line *tmpl = NULL;
1473         struct skinny_device *d;
1474         char line[256];
1475         char *at;
1476         char *device;
1477         int checkdevice = 0;
1478
1479         ast_copy_string(line, dest, sizeof(line));
1480         at = strchr(line, '@');
1481         if (at)
1482                 *at++ = '\0';
1483         device = at;
1484
1485         if (!ast_strlen_zero(device))
1486                 checkdevice = 1;
1487
1488         ast_mutex_lock(&devicelock);
1489         for (d = devices; d; d = d->next) {
1490                 if (checkdevice && tmpl)
1491                         break;
1492                 else if (!checkdevice) {
1493                         /* This is a match, since we're checking for line on every device. */
1494                 } else if (!strcasecmp(d->name, device)) {
1495                         if (skinnydebug)
1496                                 ast_verb(2, "Found device: %s\n", d->name);
1497                 } else
1498                         continue;
1499
1500                 /* Found the device (or we don't care which device) */
1501                 for (l = d->lines; l; l = l->next) {
1502                         /* Search for the right line */
1503                         if (!strcasecmp(l->name, line)) {
1504                                 if (tmpl) {
1505                                         ast_verb(2, "Ambiguous line name: %s\n", line);
1506                                         ast_mutex_unlock(&devicelock);
1507                                         return NULL;
1508                                 } else
1509                                         tmpl = l;
1510                         }
1511                 }
1512         }
1513         ast_mutex_unlock(&devicelock);
1514         return tmpl;
1515 }
1516
1517 /*!
1518  * implement the setvar config line
1519  */
1520 static struct ast_variable *add_var(const char *buf, struct ast_variable *list)
1521 {
1522         struct ast_variable *tmpvar = NULL;
1523         char *varname = ast_strdupa(buf), *varval = NULL;
1524
1525         if ((varval = strchr(varname,'='))) {
1526                 *varval++ = '\0';
1527                 if ((tmpvar = ast_variable_new(varname, varval, ""))) {
1528                         tmpvar->next = list;
1529                         list = tmpvar;
1530                 }
1531         }
1532         return list;
1533 }
1534
1535 /* It's quicker/easier to find the subchannel when we know the instance number too */
1536 static struct skinny_subchannel *find_subchannel_by_instance_reference(struct skinny_device *d, int instance, int reference)
1537 {
1538         struct skinny_line *l = find_line_by_instance(d, instance);
1539         struct skinny_subchannel *sub;
1540
1541         if (!l) {
1542                 return NULL;
1543         }
1544
1545         /* 7920 phones set call reference to 0, so use the first
1546            sub-channel on the list.
1547            This MIGHT need more love to be right */
1548         if (!reference)
1549                 sub = l->sub;
1550         else {
1551                 for (sub = l->sub; sub; sub = sub->next) {
1552                         if (sub->callid == reference)
1553                                 break;
1554                 }
1555         }
1556         if (!sub) {
1557                 ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s'\n", reference, d->name);
1558         }
1559         return sub;
1560 }
1561
1562 /* Find the subchannel when we only have the callid - this shouldn't happen often */
1563 static struct skinny_subchannel *find_subchannel_by_reference(struct skinny_device *d, int reference)
1564 {
1565         struct skinny_line *l;
1566         struct skinny_subchannel *sub = NULL;
1567
1568         for (l = d->lines; l; l = l->next) {
1569                 for (sub = l->sub; sub; sub = sub->next) {
1570                         if (sub->callid == reference)
1571                                 break;
1572                 }
1573                 if (sub)
1574                         break;
1575         }
1576
1577         if (!l) {
1578                 ast_log(LOG_WARNING, "Could not find any lines that contained a subchannel with reference '%d' on device '%s'\n", reference, d->name);
1579         } else {
1580                 if (!sub) {
1581                         ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s@%s'\n", reference, l->name, d->name);
1582                 }
1583         }
1584         return sub;
1585 }
1586
1587 static struct skinny_speeddial *find_speeddial_by_instance(struct skinny_device *d, int instance, int isHint)
1588 {
1589         struct skinny_speeddial *sd;
1590
1591         for (sd = d->speeddials; sd; sd = sd->next) {
1592                 if (sd->isHint == isHint && sd->instance == instance)
1593                         break;
1594         }
1595
1596         if (!sd) {
1597                 ast_log(LOG_WARNING, "Could not find speeddial with instance '%d' on device '%s'\n", instance, d->name);
1598         }
1599         return sd;
1600 }
1601
1602 static int codec_skinny2ast(enum skinny_codecs skinnycodec)
1603 {
1604         switch (skinnycodec) {
1605         case SKINNY_CODEC_ALAW:
1606                 return AST_FORMAT_ALAW;
1607         case SKINNY_CODEC_ULAW:
1608                 return AST_FORMAT_ULAW;
1609         case SKINNY_CODEC_G723_1:
1610                 return AST_FORMAT_G723_1;
1611         case SKINNY_CODEC_G729A:
1612                 return AST_FORMAT_G729A;
1613         case SKINNY_CODEC_G726_32:
1614                 return AST_FORMAT_G726_AAL2; /* XXX Is this right? */
1615         case SKINNY_CODEC_H261:
1616                 return AST_FORMAT_H261;
1617         case SKINNY_CODEC_H263:
1618                 return AST_FORMAT_H263;
1619         default:
1620                 return 0;
1621         }
1622 }
1623
1624 static int codec_ast2skinny(int astcodec)
1625 {
1626         switch (astcodec) {
1627         case AST_FORMAT_ALAW:
1628                 return SKINNY_CODEC_ALAW;
1629         case AST_FORMAT_ULAW:
1630                 return SKINNY_CODEC_ULAW;
1631         case AST_FORMAT_G723_1:
1632                 return SKINNY_CODEC_G723_1;
1633         case AST_FORMAT_G729A:
1634                 return SKINNY_CODEC_G729A;
1635         case AST_FORMAT_G726_AAL2: /* XXX Is this right? */
1636                 return SKINNY_CODEC_G726_32;
1637         case AST_FORMAT_H261:
1638                 return SKINNY_CODEC_H261;
1639         case AST_FORMAT_H263:
1640                 return SKINNY_CODEC_H263;
1641         default:
1642                 return 0;
1643         }
1644 }
1645
1646 static int set_callforwards(struct skinny_line *l, const char *cfwd, int cfwdtype)
1647 {
1648         if (!l)
1649                 return 0;
1650
1651         if (!ast_strlen_zero(cfwd)) {
1652                 if (cfwdtype & SKINNY_CFWD_ALL) {
1653                         l->cfwdtype |= SKINNY_CFWD_ALL;
1654                         ast_copy_string(l->call_forward_all, cfwd, sizeof(l->call_forward_all));
1655                 }
1656                 if (cfwdtype & SKINNY_CFWD_BUSY) {
1657                         l->cfwdtype |= SKINNY_CFWD_BUSY;
1658                         ast_copy_string(l->call_forward_busy, cfwd, sizeof(l->call_forward_busy));
1659                 }
1660                 if (cfwdtype & SKINNY_CFWD_NOANSWER) {
1661                         l->cfwdtype |= SKINNY_CFWD_NOANSWER;
1662                         ast_copy_string(l->call_forward_noanswer, cfwd, sizeof(l->call_forward_noanswer));
1663                 }
1664         } else {
1665                 if (cfwdtype & SKINNY_CFWD_ALL) {
1666                         l->cfwdtype &= ~SKINNY_CFWD_ALL;
1667                         memset(l->call_forward_all, 0, sizeof(l->call_forward_all));
1668                 }
1669                 if (cfwdtype & SKINNY_CFWD_BUSY) {
1670                         l->cfwdtype &= ~SKINNY_CFWD_BUSY;
1671                         memset(l->call_forward_busy, 0, sizeof(l->call_forward_busy));
1672                 }
1673                 if (cfwdtype & SKINNY_CFWD_NOANSWER) {
1674                         l->cfwdtype &= ~SKINNY_CFWD_NOANSWER;
1675                         memset(l->call_forward_noanswer, 0, sizeof(l->call_forward_noanswer));
1676                 }
1677         }
1678         return l->cfwdtype;
1679 }
1680
1681 static void cleanup_stale_contexts(char *new, char *old)
1682 {
1683         char *oldcontext, *newcontext, *stalecontext, *stringp, newlist[AST_MAX_CONTEXT];
1684
1685         while ((oldcontext = strsep(&old, "&"))) {
1686                 stalecontext = '\0';
1687                 ast_copy_string(newlist, new, sizeof(newlist));
1688                 stringp = newlist;
1689                 while ((newcontext = strsep(&stringp, "&"))) {
1690                         if (strcmp(newcontext, oldcontext) == 0) {
1691                                 /* This is not the context you're looking for */
1692                                 stalecontext = '\0';
1693                                 break;
1694                         } else if (strcmp(newcontext, oldcontext)) {
1695                                 stalecontext = oldcontext;
1696                         }
1697                         
1698                 }
1699                 if (stalecontext)
1700                         ast_context_destroy(ast_context_find(stalecontext), "Skinny");
1701         }
1702 }
1703
1704 static void register_exten(struct skinny_line *l)
1705 {
1706         char multi[256];
1707         char *stringp, *ext, *context;
1708
1709         if (ast_strlen_zero(regcontext))
1710                 return;
1711
1712         ast_copy_string(multi, S_OR(l->regexten, l->name), sizeof(multi));
1713         stringp = multi;
1714         while ((ext = strsep(&stringp, "&"))) {
1715                 if ((context = strchr(ext, '@'))) {
1716                         *context++ = '\0';      /* split ext@context */
1717                         if (!ast_context_find(context)) {
1718                                 ast_log(LOG_WARNING, "Context %s must exist in regcontext= in skinny.conf!\n", context);
1719                                 continue;
1720                         }
1721                 } else {
1722                         context = regcontext;
1723                 }
1724                 ast_add_extension(context, 1, ext, 1, NULL, NULL, "Noop",
1725                          ast_strdup(l->name), ast_free_ptr, "Skinny");
1726         }
1727 }
1728
1729 static void unregister_exten(struct skinny_line *l)
1730 {
1731         char multi[256];
1732         char *stringp, *ext, *context;
1733
1734         if (ast_strlen_zero(regcontext))
1735                 return;
1736
1737         ast_copy_string(multi, S_OR(l->regexten, l->name), sizeof(multi));
1738         stringp = multi;
1739         while ((ext = strsep(&stringp, "&"))) {
1740                 if ((context = strchr(ext, '@'))) {
1741                         *context++ = '\0';      /* split ext@context */
1742                         if (!ast_context_find(context)) {
1743                                 ast_log(LOG_WARNING, "Context %s must exist in regcontext= in skinny.conf!\n", context);
1744                                 continue;
1745                         }
1746                 } else {
1747                         context = regcontext;
1748                 }
1749                 ast_context_remove_extension(context, ext, 1, NULL);
1750         }
1751 }
1752
1753 static int skinny_register(struct skinny_req *req, struct skinnysession *s)
1754 {
1755         struct skinny_device *d;
1756         struct skinny_line *l;
1757         struct skinny_speeddial *sd;
1758         struct sockaddr_in sin;
1759         socklen_t slen;
1760
1761         ast_mutex_lock(&devicelock);
1762         for (d = devices; d; d = d->next) {
1763                 if (!strcasecmp(req->data.reg.name, d->id)
1764                                 && ast_apply_ha(d->ha, &(s->sin))) {
1765                         s->device = d;
1766                         d->type = letohl(req->data.reg.type);
1767                         if (ast_strlen_zero(d->version_id)) {
1768                                 ast_copy_string(d->version_id, version_id, sizeof(d->version_id));
1769                         }
1770                         d->registered = 1;
1771                         d->session = s;
1772
1773                         slen = sizeof(sin);
1774                         if (getsockname(s->fd, (struct sockaddr *)&sin, &slen)) {
1775                                 ast_log(LOG_WARNING, "Cannot get socket name\n");
1776                                 sin.sin_addr = __ourip;
1777                         }
1778                         d->ourip = sin.sin_addr;
1779
1780                         for (sd = d->speeddials; sd; sd = sd->next) {
1781                                 sd->stateid = ast_extension_state_add(sd->context, sd->exten, skinny_extensionstate_cb, sd);
1782                         }
1783                         for (l = d->lines; l; l = l->next) {
1784                                 register_exten(l);
1785                                 ast_device_state_changed("Skinny/%s@%s", l->name, d->name);
1786                         }
1787                         break;
1788                 }
1789         }
1790         ast_mutex_unlock(&devicelock);
1791         if (!d) {
1792                 return 0;
1793         }
1794         return 1;
1795 }
1796
1797 static int skinny_unregister(struct skinny_req *req, struct skinnysession *s)
1798 {
1799         struct skinny_device *d;
1800         struct skinny_line *l;
1801         struct skinny_speeddial *sd;
1802
1803         d = s->device;
1804
1805         if (d) {
1806                 d->session = NULL;
1807                 d->registered = 0;
1808
1809                 for (sd = d->speeddials; sd; sd = sd->next) {
1810                         if (sd->stateid > -1)
1811                                 ast_extension_state_del(sd->stateid, NULL);
1812                 }
1813                 for (l = d->lines; l; l = l->next) {
1814                         unregister_exten(l);
1815                         ast_device_state_changed("Skinny/%s@%s", l->name, d->name);
1816                 }
1817         }
1818
1819         return -1; /* main loop will destroy the session */
1820 }
1821
1822 static int transmit_response(struct skinnysession *s, struct skinny_req *req)
1823 {
1824         int res = 0;
1825
1826         if (!s) {
1827                 ast_log(LOG_WARNING, "Asked to transmit to a non-existant session!\n");
1828                 return -1;
1829         }
1830
1831         ast_mutex_lock(&s->lock);
1832
1833         if (skinnydebug)
1834                 ast_log(LOG_VERBOSE, "writing packet type %04X (%d bytes) to socket %d\n", letohl(req->e), letohl(req->len)+8, s->fd);
1835
1836         if (letohl(req->len > SKINNY_MAX_PACKET) || letohl(req->len < 0)) {
1837                 ast_log(LOG_WARNING, "transmit_response: the length of the request is out of bounds\n");
1838                 return -1;
1839         }
1840
1841         memset(s->outbuf,0,sizeof(s->outbuf));
1842         memcpy(s->outbuf, req, skinny_header_size);
1843         memcpy(s->outbuf+skinny_header_size, &req->data, letohl(req->len));
1844
1845         res = write(s->fd, s->outbuf, letohl(req->len)+8);
1846
1847         if (res != letohl(req->len)+8) {
1848                 ast_log(LOG_WARNING, "Transmit: write only sent %d out of %d bytes: %s\n", res, letohl(req->len)+8, strerror(errno));
1849                 if (res == -1) {
1850                         if (skinnydebug)
1851                                 ast_log(LOG_WARNING, "Transmit: Skinny Client was lost, unregistering\n");
1852                         skinny_unregister(NULL, s);
1853                 }
1854                 
1855         }
1856         
1857         ast_mutex_unlock(&s->lock);
1858         return 1;
1859 }
1860
1861 static void transmit_speaker_mode(struct skinnysession *s, int mode)
1862 {
1863         struct skinny_req *req;
1864
1865         if (!(req = req_alloc(sizeof(struct set_speaker_message), SET_SPEAKER_MESSAGE)))
1866                 return;
1867
1868         req->data.setspeaker.mode = htolel(mode);
1869         transmit_response(s, req);
1870 }
1871 /*
1872 static void transmit_microphone_mode(struct skinnysession *s, int mode)
1873 {
1874         struct skinny_req *req;
1875
1876         if (!(req = req_alloc(sizeof(struct set_microphone_message), SET_MICROPHONE_MESSAGE)))
1877                 return;
1878
1879         req->data.setmicrophone.mode = htolel(mode);
1880         transmit_response(s, req);
1881 }
1882 */
1883
1884 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)
1885 {
1886         struct skinny_req *req;
1887
1888         if (!(req = req_alloc(sizeof(struct call_info_message), CALL_INFO_MESSAGE)))
1889                 return;
1890
1891         if (skinnydebug)
1892                         ast_verb(1, "Setting Callinfo to %s(%s) from %s(%s) on %s(%d)\n", fromname, fromnum, toname, tonum, s->device->name, instance);
1893
1894         if (fromname) {
1895                 ast_copy_string(req->data.callinfo.callingPartyName, fromname, sizeof(req->data.callinfo.callingPartyName));
1896         }
1897         if (fromnum) {
1898                 ast_copy_string(req->data.callinfo.callingParty, fromnum, sizeof(req->data.callinfo.callingParty));
1899         }
1900         if (toname) {
1901                 ast_copy_string(req->data.callinfo.calledPartyName, toname, sizeof(req->data.callinfo.calledPartyName));
1902         }
1903         if (tonum) {
1904                 ast_copy_string(req->data.callinfo.calledParty, tonum, sizeof(req->data.callinfo.calledParty));
1905         }
1906         req->data.callinfo.instance = htolel(instance);
1907         req->data.callinfo.reference = htolel(callid);
1908         req->data.callinfo.type = htolel(calltype);
1909         transmit_response(s, req);
1910 }
1911
1912 static void transmit_connect(struct skinnysession *s, struct skinny_subchannel *sub)
1913 {
1914         struct skinny_req *req;
1915         struct skinny_line *l = sub->parent;
1916         struct ast_format_list fmt;
1917
1918         if (!(req = req_alloc(sizeof(struct open_receive_channel_message), OPEN_RECEIVE_CHANNEL_MESSAGE)))
1919                 return;
1920
1921         fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
1922
1923         req->data.openreceivechannel.conferenceId = htolel(sub->callid);
1924         req->data.openreceivechannel.partyId = htolel(sub->callid);
1925         req->data.openreceivechannel.packets = htolel(fmt.cur_ms);
1926         req->data.openreceivechannel.capability = htolel(codec_ast2skinny(fmt.bits));
1927         req->data.openreceivechannel.echo = htolel(0);
1928         req->data.openreceivechannel.bitrate = htolel(0);
1929         transmit_response(s, req);
1930 }
1931
1932 static void transmit_tone(struct skinnysession *s, int tone, int instance, int reference)
1933 {
1934         struct skinny_req *req;
1935
1936         if (tone == SKINNY_NOTONE) {
1937                 /* This is bad, mmm'kay? */
1938                 return;
1939         }
1940
1941         if (tone > 0) {
1942                 if (!(req = req_alloc(sizeof(struct start_tone_message), START_TONE_MESSAGE)))
1943                         return;
1944                 req->data.starttone.tone = htolel(tone);
1945                 req->data.starttone.instance = htolel(instance);
1946                 req->data.starttone.reference = htolel(reference);
1947         } else {
1948                 if (!(req = req_alloc(sizeof(struct stop_tone_message), STOP_TONE_MESSAGE)))
1949                         return;
1950                 req->data.stoptone.instance = htolel(instance);
1951                 req->data.stoptone.reference = htolel(reference);
1952         }
1953
1954         if (tone > 0) {
1955                 req->data.starttone.tone = htolel(tone);
1956         }
1957         transmit_response(s, req);
1958 }
1959
1960 static void transmit_selectsoftkeys(struct skinnysession *s, int instance, int callid, int softkey)
1961 {
1962         struct skinny_req *req;
1963
1964         if (!(req = req_alloc(sizeof(struct select_soft_keys_message), SELECT_SOFT_KEYS_MESSAGE)))
1965                 return;
1966
1967         req->data.selectsoftkey.instance = htolel(instance);
1968         req->data.selectsoftkey.reference = htolel(callid);
1969         req->data.selectsoftkey.softKeySetIndex = htolel(softkey);
1970         req->data.selectsoftkey.validKeyMask = htolel(0xFFFFFFFF);
1971         transmit_response(s, req);
1972 }
1973
1974 static void transmit_lamp_indication(struct skinnysession *s, int stimulus, int instance, int indication)
1975 {
1976         struct skinny_req *req;
1977
1978         if (!(req = req_alloc(sizeof(struct set_lamp_message), SET_LAMP_MESSAGE)))
1979                 return;
1980
1981         req->data.setlamp.stimulus = htolel(stimulus);
1982         req->data.setlamp.stimulusInstance = htolel(instance);
1983         req->data.setlamp.deviceStimulus = htolel(indication);
1984         transmit_response(s, req);
1985 }
1986
1987 static void transmit_ringer_mode(struct skinnysession *s, int mode)
1988 {
1989         struct skinny_req *req;
1990
1991         if (skinnydebug)
1992                 ast_verb(1, "Setting ringer mode to '%d'.\n", mode);
1993
1994         if (!(req = req_alloc(sizeof(struct set_ringer_message), SET_RINGER_MESSAGE)))
1995                 return;
1996
1997         req->data.setringer.ringerMode = htolel(mode);
1998         /* XXX okay, I don't quite know what this is, but here's what happens (on a 7960).
1999            Note: The phone will always show as ringing on the display.
2000
2001            1: phone will audibly ring over and over
2002            2: phone will audibly ring only once
2003            any other value, will NOT cause the phone to audibly ring
2004         */
2005         req->data.setringer.unknown1 = htolel(1);
2006         /* XXX the value here doesn't seem to change anything.  Must be higher than 0.
2007            Perhaps a packet capture can shed some light on this. */
2008         req->data.setringer.unknown2 = htolel(1);
2009         transmit_response(s, req);
2010 }
2011
2012 static void transmit_displaymessage(struct skinnysession *s, const char *text, int instance, int reference)
2013 {
2014         struct skinny_req *req;
2015
2016         if (text == 0) {
2017                 if (!(req = req_alloc(0, CLEAR_DISPLAY_MESSAGE)))
2018                         return;
2019
2020                 req->data.clearpromptstatus.lineInstance = instance;
2021                 req->data.clearpromptstatus.callReference = reference;
2022
2023                 if (skinnydebug)
2024                         ast_verb(1, "Clearing Display\n");
2025         } else {
2026                 if (!(req = req_alloc(sizeof(struct displaytext_message), DISPLAYTEXT_MESSAGE)))
2027                         return;
2028
2029                 ast_copy_string(req->data.displaytext.text, text, sizeof(req->data.displaytext.text));
2030                 if (skinnydebug)
2031                         ast_verb(1, "Displaying message '%s'\n", req->data.displaytext.text);
2032         }
2033
2034         transmit_response(s, req);
2035 }
2036
2037 static void transmit_displaynotify(struct skinnysession *s, const char *text, int t)
2038 {
2039         struct skinny_req *req;
2040
2041         if (!(req = req_alloc(sizeof(struct display_notify_message), DISPLAY_NOTIFY_MESSAGE)))
2042                 return;
2043
2044         ast_copy_string(req->data.displaynotify.displayMessage, text, sizeof(req->data.displaynotify.displayMessage));
2045         req->data.displaynotify.displayTimeout = htolel(t);
2046
2047         if (skinnydebug)
2048                 ast_verb(1, "Displaying notify '%s'\n", text);
2049
2050         transmit_response(s, req);
2051 }
2052
2053 static void transmit_displaypromptstatus(struct skinnysession *s, const char *text, int t, int instance, int callid)
2054 {
2055         struct skinny_req *req;
2056
2057         if (text == 0) {
2058                 if (!(req = req_alloc(sizeof(struct clear_prompt_message), CLEAR_PROMPT_MESSAGE)))
2059                         return;
2060
2061                 req->data.clearpromptstatus.lineInstance = htolel(instance);
2062                 req->data.clearpromptstatus.callReference = htolel(callid);
2063
2064                 if (skinnydebug)
2065                         ast_verb(1, "Clearing Prompt\n");
2066         } else {
2067                 if (!(req = req_alloc(sizeof(struct display_prompt_status_message), DISPLAY_PROMPT_STATUS_MESSAGE)))
2068                         return;
2069
2070                 ast_copy_string(req->data.displaypromptstatus.promptMessage, text, sizeof(req->data.displaypromptstatus.promptMessage));
2071                 req->data.displaypromptstatus.messageTimeout = htolel(t);
2072                 req->data.displaypromptstatus.lineInstance = htolel(instance);
2073                 req->data.displaypromptstatus.callReference = htolel(callid);
2074
2075                 if (skinnydebug)
2076                         ast_verb(1, "Displaying Prompt Status '%s'\n", text);
2077         }
2078
2079         transmit_response(s, req);
2080 }
2081
2082 static void transmit_dialednumber(struct skinnysession *s, const char *text, int instance, int callid)
2083 {
2084         struct skinny_req *req;
2085
2086         if (!(req = req_alloc(sizeof(struct dialed_number_message), DIALED_NUMBER_MESSAGE)))
2087                 return;
2088
2089         ast_copy_string(req->data.dialednumber.dialedNumber, text, sizeof(req->data.dialednumber.dialedNumber));
2090         req->data.dialednumber.lineInstance = htolel(instance);
2091         req->data.dialednumber.callReference = htolel(callid);
2092
2093         transmit_response(s, req);
2094 }
2095
2096 static void transmit_callstate(struct skinnysession *s, int instance, int state, unsigned callid)
2097 {
2098         struct skinny_req *req;
2099
2100         if (state == SKINNY_ONHOOK) {
2101                 if (!(req = req_alloc(sizeof(struct close_receive_channel_message), CLOSE_RECEIVE_CHANNEL_MESSAGE)))
2102                         return;
2103
2104                 req->data.closereceivechannel.conferenceId = htolel(callid);
2105                 req->data.closereceivechannel.partyId = htolel(callid);
2106                 transmit_response(s, req);
2107
2108                 if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
2109                         return;
2110
2111                 req->data.stopmedia.conferenceId = htolel(callid);
2112                 req->data.stopmedia.passThruPartyId = htolel(callid);
2113                 transmit_response(s, req);
2114
2115                 transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
2116
2117                 transmit_displaypromptstatus(s, NULL, 0, instance, callid);
2118         }
2119
2120         if (!(req = req_alloc(sizeof(struct call_state_message), CALL_STATE_MESSAGE)))
2121                 return;
2122
2123         req->data.callstate.callState = htolel(state);
2124         req->data.callstate.lineInstance = htolel(instance);
2125         req->data.callstate.callReference = htolel(callid);
2126         transmit_response(s, req);
2127
2128         if (state == SKINNY_ONHOOK) {
2129                 transmit_selectsoftkeys(s, 0, 0, KEYDEF_ONHOOK);
2130         }
2131
2132         if (state == SKINNY_OFFHOOK || state == SKINNY_ONHOOK) {
2133                 if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
2134                         return;
2135
2136                 req->data.activatecallplane.lineInstance = htolel(instance);
2137                 transmit_response(s, req);
2138         }
2139 }
2140
2141
2142 static void transmit_cfwdstate(struct skinnysession *s, struct skinny_line *l)
2143 {
2144         struct skinny_req *req;
2145         int anyon = 0;
2146
2147         if (!(req = req_alloc(sizeof(struct forward_stat_message), FORWARD_STAT_MESSAGE)))
2148                 return;
2149
2150         if (l->cfwdtype & SKINNY_CFWD_ALL) {
2151                 if (!ast_strlen_zero(l->call_forward_all)) {
2152                         ast_copy_string(req->data.forwardstat.fwdallnum, l->call_forward_all, sizeof(req->data.forwardstat.fwdallnum));
2153                         req->data.forwardstat.fwdall = htolel(1);
2154                         anyon++;
2155                 } else {
2156                         req->data.forwardstat.fwdall = htolel(0);
2157                 }
2158         }
2159         if (l->cfwdtype & SKINNY_CFWD_BUSY) {
2160                 if (!ast_strlen_zero(l->call_forward_busy)) {
2161                         ast_copy_string(req->data.forwardstat.fwdbusynum, l->call_forward_busy, sizeof(req->data.forwardstat.fwdbusynum));
2162                         req->data.forwardstat.fwdbusy = htolel(1);
2163                         anyon++;
2164                 } else {
2165                         req->data.forwardstat.fwdbusy = htolel(0);
2166                 }
2167         }
2168         if (l->cfwdtype & SKINNY_CFWD_NOANSWER) {
2169                 if (!ast_strlen_zero(l->call_forward_noanswer)) {
2170                         ast_copy_string(req->data.forwardstat.fwdnoanswernum, l->call_forward_noanswer, sizeof(req->data.forwardstat.fwdnoanswernum));
2171                         req->data.forwardstat.fwdnoanswer = htolel(1);
2172                         anyon++;
2173                 } else {
2174                         req->data.forwardstat.fwdnoanswer = htolel(0);
2175                 }
2176         }
2177         req->data.forwardstat.lineNumber = htolel(l->instance);
2178         if (anyon)
2179                 req->data.forwardstat.activeforward = htolel(7);
2180         else
2181                 req->data.forwardstat.activeforward = htolel(0);
2182
2183         transmit_response(s, req);
2184 }
2185
2186 static int skinny_extensionstate_cb(char *context, char *exten, int state, void *data)
2187 {
2188         struct skinny_speeddial *sd = data;
2189         struct skinny_device *d = sd->parent;
2190         struct skinnysession *s = d->session;
2191         char hint[AST_MAX_EXTENSION];
2192         int callstate = SKINNY_CALLREMOTEMULTILINE;
2193         int lamp = SKINNY_LAMP_OFF;
2194
2195         switch (state) {
2196         case AST_EXTENSION_DEACTIVATED: /* Retry after a while */
2197         case AST_EXTENSION_REMOVED:     /* Extension is gone */
2198                 ast_verb(2, "Extension state: Watcher for hint %s %s. Notify Device %s\n", exten, state == AST_EXTENSION_DEACTIVATED ? "deactivated" : "removed", d->name);
2199                 sd->stateid = -1;
2200                 callstate = SKINNY_ONHOOK;
2201                 lamp = SKINNY_LAMP_OFF;
2202                 break;
2203         case AST_EXTENSION_RINGING:
2204         case AST_EXTENSION_UNAVAILABLE:
2205                 callstate = SKINNY_RINGIN;
2206                 lamp = SKINNY_LAMP_BLINK;
2207                 break;
2208         case AST_EXTENSION_BUSY: /* callstate = SKINNY_BUSY wasn't wanting to work - I'll settle for this */
2209         case AST_EXTENSION_INUSE:
2210                 callstate = SKINNY_CALLREMOTEMULTILINE;
2211                 lamp = SKINNY_LAMP_ON;
2212                 break;
2213         case AST_EXTENSION_ONHOLD:
2214                 callstate = SKINNY_HOLD;
2215                 lamp = SKINNY_LAMP_WINK;
2216                 break;
2217         case AST_EXTENSION_NOT_INUSE:
2218         default:
2219                 callstate = SKINNY_ONHOOK;
2220                 lamp = SKINNY_LAMP_OFF;
2221                 break;
2222         }
2223
2224         if (ast_get_hint(hint, sizeof(hint), NULL, 0, NULL, sd->context, sd->exten)) {
2225                 /* If they are not registered, we will override notification and show no availability */
2226                 if (ast_device_state(hint) == AST_DEVICE_UNAVAILABLE) {
2227                         callstate = SKINNY_ONHOOK;
2228                         lamp = SKINNY_LAMP_FLASH;
2229                 }
2230         }
2231
2232         transmit_lamp_indication(s, STIMULUS_LINE, sd->instance, lamp);
2233         transmit_callstate(s, sd->instance, callstate, 0);
2234         sd->laststate = state;
2235
2236         return 0;
2237 }
2238
2239 static int has_voicemail(struct skinny_line *l)
2240 {
2241         return ast_app_has_voicemail(l->mailbox, NULL);
2242 }
2243
2244 static void do_housekeeping(struct skinnysession *s)
2245 {
2246         int new;
2247         int old;
2248         int device_lamp = 0;
2249         struct skinny_device *d = s->device;
2250         struct skinny_line *l;
2251
2252         /* Update time on device */
2253         handle_time_date_req_message(NULL, s);
2254
2255         /* Set MWI on individual lines */
2256         for (l = d->lines; l; l = l->next) {
2257                 if (has_voicemail(l)) {
2258                         if (skinnydebug)
2259                                 ast_verb(1, "Checking for voicemail Skinny %s@%s\n", l->name, d->name);
2260                         ast_app_inboxcount(l->mailbox, &new, &old);
2261                         if (skinnydebug)
2262                                 ast_verb(1, "Skinny %s@%s has voicemail!\n", l->name, d->name);
2263                         transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, l->mwiblink?SKINNY_LAMP_BLINK:SKINNY_LAMP_ON);
2264                         device_lamp++;
2265                 } else {
2266                         transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, SKINNY_LAMP_OFF);
2267                 }
2268         }
2269         /* If at least one line has VM, turn the device level lamp on */
2270         if (device_lamp)
2271                 transmit_lamp_indication(s, STIMULUS_VOICEMAIL, 0, SKINNY_LAMP_ON);
2272         else
2273                 transmit_lamp_indication(s, STIMULUS_VOICEMAIL, 0, SKINNY_LAMP_OFF);
2274 }
2275
2276 /* I do not believe skinny can deal with video.
2277    Anyone know differently? */
2278 /* Yes, it can.  Currently 7985 and Cisco VT Advantage do video. */
2279 static enum ast_rtp_get_result skinny_get_vrtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
2280 {
2281         struct skinny_subchannel *sub = NULL;
2282
2283         if (!(sub = c->tech_pvt) || !(sub->vrtp))
2284                 return AST_RTP_GET_FAILED;
2285
2286         *rtp = sub->vrtp;
2287
2288         return AST_RTP_TRY_NATIVE;
2289 }
2290
2291 static enum ast_rtp_get_result skinny_get_rtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
2292 {
2293         struct skinny_subchannel *sub = NULL;
2294         struct skinny_line *l;
2295         enum ast_rtp_get_result res = AST_RTP_TRY_NATIVE;
2296
2297         if (skinnydebug)
2298                 ast_verb(1, "skinny_get_rtp_peer() Channel = %s\n", c->name);
2299
2300
2301         if (!(sub = c->tech_pvt))
2302                 return AST_RTP_GET_FAILED;
2303
2304         ast_mutex_lock(&sub->lock);
2305
2306         if (!(sub->rtp)){
2307                 ast_mutex_unlock(&sub->lock);
2308                 return AST_RTP_GET_FAILED;
2309         }
2310         
2311         *rtp = sub->rtp;
2312
2313         l = sub->parent;
2314
2315         if (!l->canreinvite || l->nat){
2316                 res = AST_RTP_TRY_PARTIAL;
2317                 if (skinnydebug)
2318                         ast_verb(1, "skinny_get_rtp_peer() Using AST_RTP_TRY_PARTIAL \n");
2319         }
2320
2321         ast_mutex_unlock(&sub->lock);
2322
2323         return res;
2324
2325 }
2326
2327 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)
2328 {
2329         struct skinny_subchannel *sub;
2330         struct skinny_line *l;
2331         struct skinny_device *d;
2332         struct skinnysession *s;
2333         struct ast_format_list fmt;
2334         struct sockaddr_in us;
2335         struct sockaddr_in them;
2336         struct skinny_req *req;
2337         
2338         sub = c->tech_pvt;
2339
2340         if (c->_state != AST_STATE_UP)
2341                 return 0;
2342
2343         if (!sub) {
2344                 return -1;
2345         }
2346
2347         l = sub->parent;
2348         d = l->parent;
2349         s = d->session;
2350
2351         if (rtp){
2352                 ast_rtp_get_peer(rtp, &them);
2353
2354                 /* Shutdown any early-media or previous media on re-invite */
2355                 if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
2356                         return -1;
2357
2358                 req->data.stopmedia.conferenceId = htolel(sub->callid);
2359                 req->data.stopmedia.passThruPartyId = htolel(sub->callid);
2360                 transmit_response(s, req);
2361
2362                 if (skinnydebug)
2363                         ast_verb(1, "Peerip = %s:%d\n", ast_inet_ntoa(them.sin_addr), ntohs(them.sin_port));
2364
2365                 if (!(req = req_alloc(sizeof(struct start_media_transmission_message), START_MEDIA_TRANSMISSION_MESSAGE)))
2366                         return -1;
2367
2368                 fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
2369
2370                 if (skinnydebug)
2371                         ast_verb(1, "Setting payloadType to '%d' (%d ms)\n", fmt.bits, fmt.cur_ms);
2372
2373                 req->data.startmedia.conferenceId = htolel(sub->callid);
2374                 req->data.startmedia.passThruPartyId = htolel(sub->callid);
2375                 if (!(l->canreinvite) || (l->nat)){
2376                         ast_rtp_get_us(rtp, &us);
2377                         req->data.startmedia.remoteIp = htolel(d->ourip.s_addr);
2378                         req->data.startmedia.remotePort = htolel(ntohs(us.sin_port));
2379                 } else {
2380                         req->data.startmedia.remoteIp = htolel(them.sin_addr.s_addr);
2381                         req->data.startmedia.remotePort = htolel(ntohs(them.sin_port));
2382                 }
2383                 req->data.startmedia.packetSize = htolel(fmt.cur_ms);
2384                 req->data.startmedia.payloadType = htolel(codec_ast2skinny(fmt.bits));
2385                 req->data.startmedia.qualifier.precedence = htolel(127);
2386                 req->data.startmedia.qualifier.vad = htolel(0);
2387                 req->data.startmedia.qualifier.packets = htolel(0);
2388                 req->data.startmedia.qualifier.bitRate = htolel(0);
2389                 transmit_response(s, req);
2390
2391                 return 0;
2392         }
2393         /* Need a return here to break the bridge */
2394         return 0;
2395 }
2396
2397 static struct ast_rtp_protocol skinny_rtp = {
2398         .type = "Skinny",
2399         .get_rtp_info = skinny_get_rtp_peer,
2400         .get_vrtp_info = skinny_get_vrtp_peer,
2401         .set_rtp_peer = skinny_set_rtp_peer,
2402 };
2403
2404 static char *handle_skinny_set_debug_deprecated(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2405 {
2406         switch (cmd) {
2407         case CLI_INIT:
2408                 e->command = "skinny set debug [off]";
2409                 e->usage =
2410                         "Usage: skinny set debug [off]\n"
2411                         "       Enables/Disables dumping of Skinny packets for debugging purposes\n";
2412                 return NULL;
2413         case CLI_GENERATE:
2414                 return NULL;
2415         }
2416         
2417         if (a->argc < 3 || a->argc > 4)
2418                 return CLI_SHOWUSAGE;
2419
2420         if (a->argc == 3) {
2421                 skinnydebug = 1;
2422                 ast_cli(a->fd, "Skinny Debugging Enabled\n");
2423                 return CLI_SUCCESS;
2424         } else if (!strncasecmp(a->argv[3], "off", 3)) {
2425                 skinnydebug = 0;
2426                 ast_cli(a->fd, "Skinny Debugging Disabled\n");
2427                 return CLI_SUCCESS;
2428         } else {
2429                 return CLI_SHOWUSAGE;
2430         }
2431 }
2432
2433 static char *handle_skinny_set_debug(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2434 {
2435         switch (cmd) {
2436         case CLI_INIT:
2437                 e->command = "skinny set debug {on|off}";
2438                 e->usage =
2439                         "Usage: skinny set debug {on|off}\n"
2440                         "       Enables/Disables dumping of Skinny packets for debugging purposes\n";
2441                 return NULL;
2442         case CLI_GENERATE:
2443                 return NULL;
2444         }
2445         
2446         if (a->argc != e->args)
2447                 return CLI_SHOWUSAGE;
2448
2449         if (!strncasecmp(a->argv[e->args - 1], "on", 2)) {
2450                 skinnydebug = 1;
2451                 ast_cli(a->fd, "Skinny Debugging Enabled\n");
2452                 return CLI_SUCCESS;
2453         } else if (!strncasecmp(a->argv[e->args - 1], "off", 3)) {
2454                 skinnydebug = 0;
2455                 ast_cli(a->fd, "Skinny Debugging Disabled\n");
2456                 return CLI_SUCCESS;
2457         } else {
2458                 return CLI_SHOWUSAGE;
2459         }
2460 }
2461
2462 static char *complete_skinny_devices(const char *word, int state)
2463 {
2464         struct skinny_device *d;
2465         char *result = NULL;
2466         int wordlen = strlen(word), which = 0;
2467
2468         for (d = devices; d && !result; d = d->next) {
2469                 if (!strncasecmp(word, d->id, wordlen) && ++which > state)
2470                         result = ast_strdup(d->id);
2471         }
2472
2473         return result;
2474 }
2475
2476 static char *complete_skinny_show_device(const char *line, const char *word, int pos, int state)
2477 {
2478         return (pos == 3 ? ast_strdup(complete_skinny_devices(word, state)) : NULL);
2479 }
2480
2481 static char *complete_skinny_reset(const char *line, const char *word, int pos, int state)
2482 {
2483         return (pos == 2 ? ast_strdup(complete_skinny_devices(word, state)) : NULL);
2484 }
2485
2486 static char *complete_skinny_show_line(const char *line, const char *word, int pos, int state)
2487 {
2488         struct skinny_device *d;
2489         struct skinny_line *l;
2490         char *result = NULL;
2491         int wordlen = strlen(word), which = 0;
2492
2493         if (pos != 3)
2494                 return NULL;
2495         
2496         for (d = devices; d && !result; d = d->next) {
2497                 for (l = d->lines; l && !result; l = l->next) {
2498                         if (!strncasecmp(word, l->name, wordlen) && ++which > state)
2499                                 result = ast_strdup(l->name);
2500                 }
2501         }
2502
2503         return result;
2504 }
2505
2506 static char *handle_skinny_reset(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2507 {
2508         struct skinny_device *d;
2509         struct skinny_req *req;
2510
2511         switch (cmd) {
2512         case CLI_INIT:
2513                 e->command = "skinny reset";
2514                 e->usage =
2515                         "Usage: skinny reset <DeviceId|DeviceName|all> [restart]\n"
2516                         "       Causes a Skinny device to reset itself, optionally with a full restart\n";
2517                 return NULL;
2518         case CLI_GENERATE:
2519                 return complete_skinny_reset(a->line, a->word, a->pos, a->n);
2520         }
2521
2522         if (a->argc < 3 || a->argc > 4)
2523                 return CLI_SHOWUSAGE;
2524
2525         ast_mutex_lock(&devicelock);
2526
2527         for (d = devices; d; d = d->next) {
2528                 int fullrestart = 0;
2529                 if (!strcasecmp(a->argv[2], d->id) || !strcasecmp(a->argv[2], d->name) || !strcasecmp(a->argv[2], "all")) {
2530                         if (!(d->session))
2531                                 continue;
2532
2533                         if (!(req = req_alloc(sizeof(struct reset_message), RESET_MESSAGE)))
2534                                 continue;
2535
2536                         if (a->argc == 4 && !strcasecmp(a->argv[3], "restart"))
2537                                 fullrestart = 1;
2538
2539                         if (fullrestart)
2540                                 req->data.reset.resetType = 2;
2541                         else
2542                                 req->data.reset.resetType = 1;
2543
2544                         ast_verb(3, "%s device %s.\n", (fullrestart) ? "Restarting" : "Resetting", d->id);
2545                         transmit_response(d->session, req);
2546                 }
2547         }
2548         ast_mutex_unlock(&devicelock);
2549         return CLI_SUCCESS;
2550 }
2551
2552 static char *device2str(int type)
2553 {
2554         char *tmp;
2555
2556         switch (type) {
2557         case SKINNY_DEVICE_NONE:
2558                 return "No Device";
2559         case SKINNY_DEVICE_30SPPLUS:
2560                 return "30SP Plus";
2561         case SKINNY_DEVICE_12SPPLUS:
2562                 return "12SP Plus";
2563         case SKINNY_DEVICE_12SP:
2564                 return "12SP";
2565         case SKINNY_DEVICE_12:
2566                 return "12";
2567         case SKINNY_DEVICE_30VIP:
2568                 return "30VIP";
2569         case SKINNY_DEVICE_7910:
2570                 return "7910";
2571         case SKINNY_DEVICE_7960:
2572                 return "7960";
2573         case SKINNY_DEVICE_7940:
2574                 return "7940";
2575         case SKINNY_DEVICE_7935:
2576                 return "7935";
2577         case SKINNY_DEVICE_ATA186:
2578                 return "ATA186";
2579         case SKINNY_DEVICE_7941:
2580                 return "7941";
2581         case SKINNY_DEVICE_7971:
2582                 return "7971";
2583         case SKINNY_DEVICE_7914:
2584                 return "7914";
2585         case SKINNY_DEVICE_7985:
2586                 return "7985";
2587         case SKINNY_DEVICE_7911:
2588                 return "7911";
2589         case SKINNY_DEVICE_7961GE:
2590                 return "7961GE";
2591         case SKINNY_DEVICE_7941GE:
2592                 return "7941GE";
2593         case SKINNY_DEVICE_7931:
2594                 return "7931";
2595         case SKINNY_DEVICE_7921:
2596                 return "7921";
2597         case SKINNY_DEVICE_7906:
2598                 return "7906";
2599         case SKINNY_DEVICE_7962:
2600                 return "7962";
2601         case SKINNY_DEVICE_7937:
2602                 return "7937";
2603         case SKINNY_DEVICE_7942:
2604                 return "7942";
2605         case SKINNY_DEVICE_7945:
2606                 return "7945";
2607         case SKINNY_DEVICE_7965:
2608                 return "7965";
2609         case SKINNY_DEVICE_7975:
2610                 return "7975";
2611         case SKINNY_DEVICE_7905:
2612                 return "7905";
2613         case SKINNY_DEVICE_7920:
2614                 return "7920";
2615         case SKINNY_DEVICE_7970:
2616                 return "7970";
2617         case SKINNY_DEVICE_7912:
2618                 return "7912";
2619         case SKINNY_DEVICE_7902:
2620                 return "7902";
2621         case SKINNY_DEVICE_CIPC:
2622                 return "IP Communicator";
2623         case SKINNY_DEVICE_7961:
2624                 return "7961";
2625         case SKINNY_DEVICE_7936:
2626                 return "7936";
2627         case SKINNY_DEVICE_SCCPGATEWAY_AN:
2628                 return "SCCPGATEWAY_AN";
2629         case SKINNY_DEVICE_SCCPGATEWAY_BRI:
2630                 return "SCCPGATEWAY_BRI";
2631         case SKINNY_DEVICE_UNKNOWN:
2632                 return "Unknown";
2633         default:
2634                 if (!(tmp = ast_threadstorage_get(&device2str_threadbuf, DEVICE2STR_BUFSIZE)))
2635                         return "Unknown";
2636                 snprintf(tmp, DEVICE2STR_BUFSIZE, "UNKNOWN-%d", type);
2637                 return tmp;
2638         }
2639 }
2640
2641 /*! \brief Print codec list from preference to CLI/manager */
2642 static void print_codec_to_cli(int fd, struct ast_codec_pref *pref)
2643 {
2644         int x, codec;
2645
2646         for(x = 0; x < 32 ; x++) {
2647                 codec = ast_codec_pref_index(pref, x);
2648                 if (!codec)
2649                         break;
2650                 ast_cli(fd, "%s", ast_getformatname(codec));
2651                 ast_cli(fd, ":%d", pref->framing[x]);
2652                 if (x < 31 && ast_codec_pref_index(pref, x + 1))
2653                         ast_cli(fd, ",");
2654         }
2655         if (!x)
2656                 ast_cli(fd, "none");
2657 }
2658
2659 static char *handle_skinny_show_devices(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2660 {
2661         struct skinny_device *d;
2662         struct skinny_line *l;
2663
2664         switch (cmd) {
2665         case CLI_INIT:
2666                 e->command = "skinny show devices";
2667                 e->usage =
2668                         "Usage: skinny show devices\n"
2669                         "       Lists all devices known to the Skinny subsystem.\n";
2670                 return NULL;
2671         case CLI_GENERATE:
2672                 return NULL;
2673         }
2674
2675         if (a->argc != 3)
2676                 return CLI_SHOWUSAGE;
2677
2678         ast_mutex_lock(&devicelock);
2679
2680         ast_cli(a->fd, "Name                 DeviceId         IP              Type            R NL\n");
2681         ast_cli(a->fd, "-------------------- ---------------- --------------- --------------- - --\n");
2682
2683         for (d = devices; d; d = d->next) {
2684                 int numlines = 0;
2685
2686                 for (l = d->lines; l; l = l->next)
2687                         numlines++;
2688                 
2689                 ast_cli(a->fd, "%-20s %-16s %-15s %-15s %c %2d\n",
2690                         d->name,
2691                         d->id,
2692                         d->session?ast_inet_ntoa(d->session->sin.sin_addr):"",
2693                         device2str(d->type),
2694                         d->registered?'Y':'N',
2695                         numlines);
2696         }
2697
2698         ast_mutex_unlock(&devicelock);
2699
2700         return CLI_SUCCESS;
2701 }
2702
2703 /*! \brief Show device information */
2704 static char *handle_skinny_show_device(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2705 {
2706         struct skinny_device *d;
2707         struct skinny_line *l;
2708         struct skinny_speeddial *sd;
2709         struct skinny_addon *sa;
2710
2711         switch (cmd) {
2712         case CLI_INIT:
2713                 e->command = "skinny show device";
2714                 e->usage =
2715                         "Usage: skinny show device <DeviceId|DeviceName>\n"
2716                         "       Lists all deviceinformation of a specific device known to the Skinny subsystem.\n";
2717                 return NULL;
2718         case CLI_GENERATE:
2719                 return complete_skinny_show_device(a->line, a->word, a->pos, a->n);
2720         }
2721
2722         if (a->argc < 4)
2723                 return CLI_SHOWUSAGE;
2724
2725         ast_mutex_lock(&devicelock);
2726         for (d = devices; d; d = d->next) {
2727                 if (!strcasecmp(a->argv[3], d->id) || !strcasecmp(a->argv[3], d->name)) {
2728                         int numlines = 0, numaddons = 0, numspeeddials = 0;
2729
2730                         for (l = d->lines; l; l = l->next)
2731                                 numlines++;
2732
2733                         ast_cli(a->fd, "Name:        %s\n", d->name);
2734                         ast_cli(a->fd, "Id:          %s\n", d->id);
2735                         ast_cli(a->fd, "version:     %s\n", S_OR(d->version_id, "Unknown"));
2736                         ast_cli(a->fd, "Ip address:  %s\n", (d->session ? ast_inet_ntoa(d->session->sin.sin_addr) : "Unknown"));
2737                         ast_cli(a->fd, "Port:        %d\n", (d->session ? ntohs(d->session->sin.sin_port) : 0));
2738                         ast_cli(a->fd, "Device Type: %s\n", device2str(d->type));
2739                         ast_cli(a->fd, "Registered:  %s\n", (d->registered ? "Yes" : "No"));
2740                         ast_cli(a->fd, "Lines:       %d\n", numlines);
2741                         for (l = d->lines; l; l = l->next)
2742                                 ast_cli(a->fd, "  %s (%s)\n", l->name, l->label);
2743                         for (sa = d->addons; sa; sa = sa->next)
2744                                 numaddons++;
2745                         ast_cli(a->fd, "Addons:      %d\n", numaddons);
2746                         for (sa = d->addons; sa; sa = sa->next)
2747                                 ast_cli(a->fd, "  %s\n", sa->type);
2748                         for (sd = d->speeddials; sd; sd = sd->next)
2749                                 numspeeddials++;
2750                         ast_cli(a->fd, "Speeddials:  %d\n", numspeeddials);
2751                         for (sd = d->speeddials; sd; sd = sd->next)
2752                                 ast_cli(a->fd, "  %s (%s) ishint: %d\n", sd->exten, sd->label, sd->isHint);
2753                 }
2754         }
2755         ast_mutex_unlock(&devicelock);
2756         return CLI_SUCCESS;
2757 }
2758
2759 static char *handle_skinny_show_lines(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2760 {
2761         struct skinny_device *d;
2762         struct skinny_line *l;
2763
2764         switch (cmd) {
2765         case CLI_INIT:
2766                 e->command = "skinny show lines";
2767                 e->usage =
2768                         "Usage: skinny show lines\n"
2769                         "       Lists all lines known to the Skinny subsystem.\n";
2770                 return NULL;
2771         case CLI_GENERATE:
2772                 return NULL;
2773         }
2774
2775         if (a->argc != 3)
2776                 return CLI_SHOWUSAGE;
2777         
2778         ast_mutex_lock(&devicelock);
2779         
2780         ast_cli(a->fd, "Device Name          Instance Name                 Label               \n");
2781         ast_cli(a->fd, "-------------------- -------- -------------------- --------------------\n");
2782         for (d = devices; d; d = d->next) {
2783                 for (l = d->lines; l; l = l->next) {
2784                         ast_cli(a->fd, "%-20s %8d %-20s %-20s\n",
2785                                 d->name,
2786                                 l->instance,
2787                                 l->name,
2788                                 l->label);
2789                 }
2790         }
2791         
2792         ast_mutex_unlock(&devicelock);
2793         return CLI_SUCCESS;
2794 }
2795
2796 /*! \brief List line information. */
2797 static char *handle_skinny_show_line(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2798 {
2799         struct skinny_device *d;
2800         struct skinny_line *l;
2801         char codec_buf[512];
2802         char group_buf[256];
2803
2804         switch (cmd) {
2805         case CLI_INIT:
2806                 e->command = "skinny show line";
2807                 e->usage =
2808                         "Usage: skinny show line <Line> [ on <DeviceID|DeviceName> ]\n"
2809                         "       List all lineinformation of a specific line known to the Skinny subsystem.\n";
2810                 return NULL;
2811         case CLI_GENERATE:
2812                 return complete_skinny_show_line(a->line, a->word, a->pos, a->n);
2813         }
2814
2815         if (a->argc < 4)
2816                 return CLI_SHOWUSAGE;
2817         
2818         ast_mutex_lock(&devicelock);
2819
2820         /* Show all lines matching the one supplied */
2821         for (d = devices; d; d = d->next) {
2822                 if (a->argc == 6 && (strcasecmp(a->argv[5], d->id) && strcasecmp(a->argv[5], d->name)))
2823                         continue;
2824                 for (l = d->lines; l; l = l->next) {
2825                         if (strcasecmp(a->argv[3], l->name))
2826                                 continue;
2827                         ast_cli(a->fd, "Line:             %s\n", l->name);
2828                         ast_cli(a->fd, "On Device:        %s\n", d->name);
2829                         ast_cli(a->fd, "Line Label:       %s\n", l->label);
2830                         ast_cli(a->fd, "Extension:        %s\n", S_OR(l->exten, "<not set>"));
2831                         ast_cli(a->fd, "Context:          %s\n", l->context);
2832                         ast_cli(a->fd, "CallGroup:        %s\n", ast_print_group(group_buf, sizeof(group_buf), l->callgroup));
2833                         ast_cli(a->fd, "PickupGroup:      %s\n", ast_print_group(group_buf, sizeof(group_buf), l->pickupgroup));
2834                         ast_cli(a->fd, "Language:         %s\n", S_OR(l->language, "<not set>"));
2835                         ast_cli(a->fd, "Accountcode:      %s\n", S_OR(l->accountcode, "<not set>"));
2836                         ast_cli(a->fd, "AmaFlag:          %s\n", ast_cdr_flags2str(l->amaflags));
2837                         ast_cli(a->fd, "CallerId Number:  %s\n", S_OR(l->cid_num, "<not set>"));
2838                         ast_cli(a->fd, "CallerId Name:    %s\n", S_OR(l->cid_name, "<not set>"));
2839                         ast_cli(a->fd, "Hide CallerId:    %s\n", (l->hidecallerid ? "Yes" : "No"));
2840                         ast_cli(a->fd, "CFwdAll:          %s\n", S_COR((l->cfwdtype & SKINNY_CFWD_ALL), l->call_forward_all, "<not set>"));
2841                         ast_cli(a->fd, "CFwdBusy:         %s\n", S_COR((l->cfwdtype & SKINNY_CFWD_BUSY), l->call_forward_busy, "<not set>"));
2842                         ast_cli(a->fd, "CFwdNoAnswer:     %s\n", S_COR((l->cfwdtype & SKINNY_CFWD_NOANSWER), l->call_forward_noanswer, "<not set>"));
2843                         ast_cli(a->fd, "VoicemailBox:     %s\n", S_OR(l->mailbox, "<not set>"));
2844                         ast_cli(a->fd, "VoicemailNumber:  %s\n", S_OR(l->vmexten, "<not set>"));
2845                         ast_cli(a->fd, "MWIblink:         %d\n", l->mwiblink);
2846                         ast_cli(a->fd, "Regextension:     %s\n", S_OR(l->regexten, "<not set>"));
2847                         ast_cli(a->fd, "Regcontext:       %s\n", S_OR(l->regcontext, "<not set>"));
2848                         ast_cli(a->fd, "MoHInterpret:     %s\n", S_OR(l->mohinterpret, "<not set>"));
2849                         ast_cli(a->fd, "MoHSuggest:       %s\n", S_OR(l->mohsuggest, "<not set>"));
2850                         ast_cli(a->fd, "Last dialed nr:   %s\n", S_OR(l->lastnumberdialed, "<no calls made yet>"));
2851                         ast_cli(a->fd, "Last CallerID:    %s\n", S_OR(l->lastcallerid, "<not set>"));
2852                         ast_cli(a->fd, "Transfer enabled: %s\n", (l->transfer ? "Yes" : "No"));
2853                         ast_cli(a->fd, "Callwaiting:      %s\n", (l->callwaiting ? "Yes" : "No"));
2854                         ast_cli(a->fd, "3Way Calling:     %s\n", (l->threewaycalling ? "Yes" : "No"));
2855                         ast_cli(a->fd, "Can forward:      %s\n", (l->cancallforward ? "Yes" : "No"));
2856                         ast_cli(a->fd, "Do Not Disturb:   %s\n", (l->dnd ? "Yes" : "No"));
2857                         ast_cli(a->fd, "NAT:              %s\n", (l->nat ? "Yes" : "No"));
2858                         ast_cli(a->fd, "immediate:        %s\n", (l->immediate ? "Yes" : "No"));
2859                         ast_cli(a->fd, "Group:            %d\n", l->group);
2860                         ast_cli(a->fd, "Codecs:           ");
2861                         ast_getformatname_multiple(codec_buf, sizeof(codec_buf) - 1, l->capability);
2862                         ast_cli(a->fd, "%s\n", codec_buf);
2863                         ast_cli(a->fd, "Codec Order:      (");
2864                         print_codec_to_cli(a->fd, &l->prefs);
2865                         ast_cli(a->fd, ")\n");
2866                         ast_cli(a->fd, "\n");
2867                 }
2868         }
2869         
2870         ast_mutex_unlock(&devicelock);
2871         return CLI_SUCCESS;
2872 }
2873
2874 /*! \brief List global settings for the Skinny subsystem. */
2875 static char *handle_skinny_show_settings(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2876 {
2877         switch (cmd) {
2878         case CLI_INIT:
2879                 e->command = "skinny show settings";
2880                 e->usage =
2881                         "Usage: skinny show settings\n"
2882                         "       Lists all global configuration settings of the Skinny subsystem.\n";
2883                 return NULL;
2884         case CLI_GENERATE:
2885                 return NULL;
2886         }       
2887
2888         if (a->argc != 3)
2889                 return CLI_SHOWUSAGE;
2890
2891         ast_cli(a->fd, "\nGlobal Settings:\n");
2892         ast_cli(a->fd, "  Skinny Port:            %d\n", ntohs(bindaddr.sin_port));
2893         ast_cli(a->fd, "  Bindaddress:            %s\n", ast_inet_ntoa(bindaddr.sin_addr));
2894         ast_cli(a->fd, "  KeepAlive:              %d\n", keep_alive);
2895         ast_cli(a->fd, "  Date Format:            %s\n", date_format);
2896         ast_cli(a->fd, "  Voice Mail Extension:   %s\n", S_OR(vmexten, "(not set)"));
2897         ast_cli(a->fd, "  Reg. context:           %s\n", S_OR(regcontext, "(not set)"));
2898         ast_cli(a->fd, "  Jitterbuffer enabled:   %s\n", (ast_test_flag(&global_jbconf, AST_JB_ENABLED) ? "Yes" : "No"));
2899         ast_cli(a->fd, "  Jitterbuffer forced:    %s\n", (ast_test_flag(&global_jbconf, AST_JB_FORCED) ? "Yes" : "No"));
2900         ast_cli(a->fd, "  Jitterbuffer max size:  %ld\n", global_jbconf.max_size);
2901         ast_cli(a->fd, "  Jitterbuffer resync:    %ld\n", global_jbconf.resync_threshold);
2902         ast_cli(a->fd, "  Jitterbuffer impl:      %s\n", global_jbconf.impl);
2903         ast_cli(a->fd, "  Jitterbuffer log:       %s\n", (ast_test_flag(&global_jbconf, AST_JB_LOG) ? "Yes" : "No"));
2904
2905         return CLI_SUCCESS;
2906 }
2907
2908 static struct ast_cli_entry cli_skinny_set_debug_deprecated = AST_CLI_DEFINE(handle_skinny_set_debug_deprecated, "Enable/Disable Skinny debugging");
2909 static struct ast_cli_entry cli_skinny[] = {
2910         AST_CLI_DEFINE(handle_skinny_show_devices, "List defined Skinny devices"),
2911         AST_CLI_DEFINE(handle_skinny_show_device, "List Skinny device information"),
2912         AST_CLI_DEFINE(handle_skinny_show_lines, "List defined Skinny lines per device"),       
2913         AST_CLI_DEFINE(handle_skinny_show_line, "List Skinny line information"),
2914         AST_CLI_DEFINE(handle_skinny_show_settings, "List global Skinny settings"),
2915         AST_CLI_DEFINE(handle_skinny_set_debug, "Enable/Disable Skinny debugging", .deprecate_cmd = &cli_skinny_set_debug_deprecated),
2916         AST_CLI_DEFINE(handle_skinny_reset, "Reset Skinny device(s)"),
2917 };
2918
2919 #if 0
2920 static struct skinny_paging_device *build_paging_device(const char *cat, struct ast_variable *v)
2921 {
2922         return NULL;
2923 }
2924 #endif
2925
2926 static struct skinny_device *build_device(const char *cat, struct ast_variable *v)
2927 {
2928         struct skinny_device *d;
2929         struct skinny_line *l;
2930         struct skinny_speeddial *sd;
2931         struct skinny_addon *a;
2932         char device_vmexten[AST_MAX_EXTENSION];
2933         struct ast_variable *chanvars = NULL;
2934         int lineInstance = 1;
2935         int speeddialInstance = 1;
2936         int y = 0;
2937
2938         if (!(d = ast_calloc(1, sizeof(*d)))) {
2939                 return NULL;
2940         } else {
2941                 ast_copy_string(d->name, cat, sizeof(d->name));
2942                 d->lastlineinstance = 1;
2943                 d->capability = default_capability;
2944                 d->prefs = default_prefs;
2945                 if (!ast_strlen_zero(vmexten))
2946                         ast_copy_string(device_vmexten, vmexten, sizeof(device_vmexten));
2947                 else
2948                         memset(device_vmexten, 0, sizeof(device_vmexten));
2949
2950                 d->earlyrtp = 1;
2951                 while(v) {
2952                         if (!strcasecmp(v->name, "host")) {
2953                                 if (ast_get_ip(&d->addr, v->value)) {
2954                                         ast_free(d);
2955                                         return NULL;
2956                                 }
2957                         } else if (!strcasecmp(v->name, "port")) {
2958                                 d->addr.sin_port = htons(atoi(v->value));
2959                         } else if (!strcasecmp(v->name, "device")) {
2960                                 ast_copy_string(d->id, v->value, sizeof(d->id));
2961                         } else if (!strcasecmp(v->name, "permit") || !strcasecmp(v->name, "deny")) {
2962                                 d->ha = ast_append_ha(v->name, v->value, d->ha, NULL);
2963                         } else if (!strcasecmp(v->name, "vmexten")) {
2964                                 ast_copy_string(device_vmexten, v->value, sizeof(device_vmexten));
2965                         } else if (!strcasecmp(v->name, "context")) {
2966                                 ast_copy_string(context, v->value, sizeof(context));
2967                         } else if (!strcasecmp(v->name, "regexten")) {
2968                                 ast_copy_string(regexten, v->value, sizeof(regexten));
2969                         } else if (!strcasecmp(v->name, "allow")) {
2970                                 ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 1);
2971                         } else if (!strcasecmp(v->name, "disallow")) {
2972                                 ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 0);
2973                         } else if (!strcasecmp(v->name, "version")) {
2974                                 ast_copy_string(d->version_id, v->value, sizeof(d->version_id));
2975                         } else if (!strcasecmp(v->name, "canreinvite")) {
2976                                 canreinvite = ast_true(v->value);
2977                         } else if (!strcasecmp(v->name, "earlyrtp")) {
2978                                 d->earlyrtp = ast_true(v->value);
2979                         } else if (!strcasecmp(v->name, "nat")) {
2980                                 nat = ast_true(v->value);
2981                         } else if (!strcasecmp(v->name, "callerid")) {
2982                                 if (!strcasecmp(v->value, "asreceived")) {
2983                                         cid_num[0] = '\0';
2984                                         cid_name[0] = '\0';
2985                                 } else {
2986                                         ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
2987                                 }
2988                         } else if (!strcasecmp(v->name, "language")) {
2989                                 ast_copy_string(language, v->value, sizeof(language));
2990                         } else if (!strcasecmp(v->name, "accountcode")) {
2991                                 ast_copy_string(accountcode, v->value, sizeof(accountcode));
2992                         } else if (!strcasecmp(v->name, "amaflags")) {
2993                                 y = ast_cdr_amaflags2int(v->value);
2994                                 if (y < 0) {
2995                                         ast_log(LOG_WARNING, "Invalid AMA flags: %s at line %d\n", v->value, v->lineno);
2996                                 } else {
2997                                         amaflags = y;
2998                                 }
2999                         } else if (!strcasecmp(v->name, "mohinterpret") || !strcasecmp(v->name, "musiconhold")) {
3000                                 ast_copy_string(mohinterpret, v->value, sizeof(mohinterpret));
3001                         } else if (!strcasecmp(v->name, "mohsuggest")) {
3002                                 ast_copy_string(mohsuggest, v->value, sizeof(mohsuggest));
3003                         } else if (!strcasecmp(v->name, "callgroup")) {
3004                                 cur_callergroup = ast_get_group(v->value);
3005                         } else if (!strcasecmp(v->name, "pickupgroup")) {
3006                                 cur_pickupgroup = ast_get_group(v->value);
3007                         } else if (!strcasecmp(v->name, "immediate")) {
3008                                 immediate = ast_true(v->value);
3009                         } else if (!strcasecmp(v->name, "cancallforward")) {
3010                                 cancallforward = ast_true(v->value);
3011                         } else if (!strcasecmp(v->name, "mailbox")) {
3012                                 ast_copy_string(mailbox, v->value, sizeof(mailbox));
3013                         } else if (!strcasecmp(v->name, "callreturn")) {
3014                                 callreturn = ast_true(v->value);
3015                         } else if (!strcasecmp(v->name, "callwaiting")) {
3016                                 callwaiting = ast_true(v->value);
3017                         } else if (!strcasecmp(v->name, "transfer")) {
3018                                 transfer = ast_true(v->value);
3019                         } else if (!strcasecmp(v->name, "threewaycalling")) {
3020                                 threewaycalling = ast_true(v->value);
3021                         } else if (!strcasecmp(v->name, "mwiblink")) {
3022                                 mwiblink = ast_true(v->value);
3023                         } else if (!strcasecmp(v->name, "linelabel")) {
3024                                 ast_copy_string(linelabel, v->value, sizeof(linelabel));
3025                         } else if (!strcasecmp(v->name, "setvar")) {
3026                                 chanvars = add_var(v->value, chanvars);
3027                         } else if (!strcasecmp(v->name, "speeddial")) {
3028                                 if (!(sd = ast_calloc(1, sizeof(*sd)))) {
3029                                         return NULL;
3030                                 } else {
3031                                         char buf[256];
3032                                         char *stringp = buf, *exten, *context, *label;
3033
3034                                         ast_copy_string(buf, v->value, sizeof(buf));
3035                                         exten = strsep(&stringp, ",");
3036                                         if ((context = strchr(exten, '@'))) {
3037                                                 *context++ = '\0';
3038                                         }
3039                                         label = stringp;
3040                                         ast_mutex_init(&sd->lock);
3041                                         ast_copy_string(sd->exten, exten, sizeof(sd->exten));
3042                                         if (!ast_strlen_zero(context)) {
3043                                                 sd->isHint = 1;
3044                                                 sd->instance = lineInstance++;
3045                                                 ast_copy_string(sd->context, context, sizeof(sd->context));
3046                                         } else {
3047                                                 sd->isHint = 0;
3048                                                 sd->instance = speeddialInstance++;
3049                                                 sd->context[0] = '\0';
3050                                         }
3051                                         ast_copy_string(sd->label, S_OR(label, exten), sizeof(sd->label));
3052
3053                                         sd->parent = d;
3054
3055                                         sd->next = d->speeddials;
3056                                         d->speeddials = sd;
3057                                 }
3058                         } else if (!strcasecmp(v->name, "addon")) {
3059                                 if (!(a = ast_calloc(1, sizeof(*a)))) {
3060                                         return NULL;
3061                                 } else {
3062                                         ast_mutex_init(&a->lock);
3063                                         ast_copy_string(a->type, v->value, sizeof(a->type));
3064
3065                                         a->next = d->addons;
3066                                         d->addons = a;
3067                                 }
3068                         } else if (!strcasecmp(v->name, "trunk") || !strcasecmp(v->name, "line")) {
3069                                 if (!(l = ast_calloc(1, sizeof(*l)))) {
3070                                         return NULL;
3071                                 } else {
3072                                         ast_mutex_init(&l->lock);
3073                                         ast_copy_string(l->name, v->value, sizeof(l->name));
3074
3075                                         /* XXX Should we check for uniqueness?? XXX */
3076                                         ast_copy_string(l->context, context, sizeof(l->context));
3077                                         ast_copy_string(l->cid_num, cid_num, sizeof(l->cid_num));
3078                                         ast_copy_string(l->cid_name, cid_name, sizeof(l->cid_name));
3079                                         ast_copy_string(l->label, linelabel, sizeof(l->label));
3080                                         ast_copy_string(l->language, language, sizeof(l->language));
3081                                         ast_copy_string(l->mohinterpret, mohinterpret, sizeof(l->mohinterpret));
3082                                         ast_copy_string(l->mohsuggest, mohsuggest, sizeof(l->mohsuggest));
3083                                         ast_copy_string(l->regexten, regexten, sizeof(l->regexten));
3084                                         ast_copy_string(l->mailbox, mailbox, sizeof(l->mailbox));
3085                                         if (!ast_strlen_zero(mailbox))
3086                                                 ast_verb(3, "Setting mailbox '%s' on %s@%s\n", mailbox, d->name, l->name);
3087                                         ast_copy_string(l->vmexten, device_vmexten, sizeof(vmexten));
3088                                         l->chanvars = chanvars;
3089                                         l->msgstate = -1;
3090                                         l->capability = d->capability;
3091                                         l->prefs = d->prefs;
3092                                         l->parent = d;
3093                                         if (!strcasecmp(v->name, "trunk")) {
3094                                                 l->type = TYPE_TRUNK;
3095                                         } else {
3096                                                 l->type = TYPE_LINE;
3097                                         }
3098                                         l->immediate = immediate;
3099                                         l->callgroup = cur_callergroup;
3100                                         l->pickupgroup = cur_pickupgroup;
3101                                         l->callreturn = callreturn;
3102                                         l->cancallforward = cancallforward;
3103                                         l->getforward = 0;
3104                                         set_callforwards(l, NULL, 0);
3105                                         l->callwaiting = callwaiting;
3106                                         l->transfer = transfer;
3107                                         l->threewaycalling = threewaycalling;
3108                                         l->mwiblink = mwiblink;
3109                                         l->onhooktime = time(NULL);
3110                                         l->instance = lineInstance++;
3111                                         /* ASSUME we're onhook at this point */
3112                                         l->hookstate = SKINNY_ONHOOK;
3113                                         l->nat = nat;
3114                                         l->canreinvite = canreinvite;
3115
3116                                         l->next = d->lines;
3117                                         d->lines = l;
3118                                 }
3119                         } else {
3120                                 ast_log(LOG_WARNING, "Don't know keyword '%s' at line %d\n", v->name, v->lineno);
3121                         }
3122                         v = v->next;
3123                 }
3124
3125                 if (!d->lines) {
3126                         ast_log(LOG_ERROR, "A Skinny device must have at least one line!\n");
3127                         return NULL;
3128                 }
3129                 if (/*d->addr.sin_addr.s_addr && */!ntohs(d->addr.sin_port)) {
3130                         d->addr.sin_port = htons(DEFAULT_SKINNY_PORT);
3131                 }
3132 #if 0
3133                 /* I don't think we need this anymore at all, since d->ourip is set in skinny_register now */
3134                 if (d->addr.sin_addr.s_addr) {
3135                         /* XXX See note above, in 'host' option. */
3136                         if (ast_ouraddrfor(&d->addr.sin_addr, &d->ourip)) {
3137                                 d->ourip = __ourip;
3138                         }
3139                 } else {
3140                         d->ourip = __ourip;
3141                 }
3142 #endif
3143         }
3144         return d;
3145 }
3146
3147 static void start_rtp(struct skinny_subchannel *sub)
3148 {
3149         struct skinny_line *l = sub->parent;
3150         struct skinny_device *d = l->parent;
3151         int hasvideo = 0;
3152
3153         ast_mutex_lock(&sub->lock);
3154         /* Allocate the RTP */
3155         sub->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
3156         if (hasvideo)
3157                 sub->vrtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
3158         
3159         if (sub->rtp && sub->owner) {
3160                 ast_channel_set_fd(sub->owner, 0, ast_rtp_fd(sub->rtp));
3161                 ast_channel_set_fd(sub->owner, 1, ast_rtcp_fd(sub->rtp));
3162         }
3163         if (hasvideo && sub->vrtp && sub->owner) {
3164                 ast_channel_set_fd(sub->owner, 2, ast_rtp_fd(sub->vrtp));
3165                 ast_channel_set_fd(sub->owner, 3, ast_rtcp_fd(sub->vrtp));
3166         }
3167         if (sub->rtp) {
3168                 ast_rtp_setqos(sub->rtp, tos_audio, cos_audio, "Skinny RTP");
3169                 ast_rtp_setnat(sub->rtp, l->nat);
3170         }
3171         if (sub->vrtp) {
3172                 ast_rtp_setqos(sub->vrtp, tos_video, cos_video, "Skinny VRTP");
3173                 ast_rtp_setnat(sub->vrtp, l->nat);
3174         }
3175         /* Set Frame packetization */
3176         if (sub->rtp)
3177                 ast_rtp_codec_setpref(sub->rtp, &l->prefs);
3178
3179         /* Create the RTP connection */
3180         transmit_connect(d->session, sub);
3181         ast_mutex_unlock(&sub->lock);
3182 }
3183
3184 static void *skinny_newcall(void *data)
3185 {
3186         struct ast_channel *c = data;
3187         struct skinny_subchannel *sub = c->tech_pvt;
3188         struct skinny_line *l = sub->parent;
3189         struct skinny_device *d = l->parent;
3190         struct skinnysession *s = d->session;
3191         int res = 0;
3192
3193         ast_copy_string(l->lastnumberdialed, c->exten, sizeof(l->lastnumberdialed));
3194         ast_set_callerid(c,
3195                 l->hidecallerid ? "" : l->cid_num,
3196                 l->hidecallerid ? "" : l->cid_name,
3197                 c->cid.cid_ani ? NULL : l->cid_num);
3198         ast_setstate(c, AST_STATE_RING);
3199         if (!sub->rtp) {
3200                 start_rtp(sub);
3201         }
3202         res = ast_pbx_run(c);
3203         if (res) {
3204                 ast_log(LOG_WARNING, "PBX exited non-zero\n");
3205                 transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
3206         }
3207         return NULL;
3208 }
3209
3210 static void *skinny_ss(void *data)
3211 {
3212         struct ast_channel *c = data;
3213         struct skinny_subchannel *sub = c->tech_pvt;
3214         struct skinny_line *l = sub->parent;
3215         struct skinny_device *d = l->parent;
3216         struct skinnysession *s = d->session;
3217         int len = 0;
3218         int timeout = firstdigittimeout;
3219         int res = 0;
3220         int loop_pause = 100;
3221
3222         ast_verb(3, "Starting simple switch on '%s@%s'\n", l->name, d->name);
3223
3224         len = strlen(d->exten);
3225
3226         while (len < AST_MAX_EXTENSION-1) {
3227                 res = 1;  /* Assume that we will get a digit */
3228                 while (strlen(d->exten) == len){
3229                         ast_safe_sleep(c, loop_pause);
3230                         timeout -= loop_pause;
3231                         if ( (timeout -= loop_pause) <= 0){
3232                                  res = 0;
3233                                  break;
3234                         }
3235                 res = 1;
3236                 }
3237
3238                 timeout = 0;
3239                 len = strlen(d->exten);
3240
3241                 if (!ast_ignore_pattern(c->context, d->exten)) {
3242                         transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
3243                 }
3244                 if (ast_exists_extension(c, c->context, d->exten, 1, l->cid_num)) {
3245                         if (!res || !ast_matchmore_extension(c, c->context, d->exten, 1, l->cid_num)) {
3246                                 if (l->getforward) {
3247                                         /* Record this as the forwarding extension */
3248                                         set_callforwards(l, d->exten, l->getforward);
3249                                         ast_verb(3, "Setting call forward (%d) to '%s' on channel %s\n",
3250                                                         l->cfwdtype, d->exten, c->name);
3251                                         transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
3252                                         transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_ON);
3253                                         transmit_displaynotify(s, "CFwd enabled", 10);
3254                                         transmit_cfwdstate(s, l);
3255                                         ast_safe_sleep(c, 500);
3256                                         ast_indicate(c, -1);
3257                                         ast_safe_sleep(c, 1000);
3258                                         memset(d->exten, 0, sizeof(d->exten));
3259                                         len = 0;
3260                                         l->getforward = 0;
3261                                         if (sub->owner && sub->owner->_state != AST_STATE_UP) {
3262                                                 ast_indicate(c, -1);
3263                                                 ast_hangup(c);
3264                                         }
3265                                         return NULL;
3266                                 } else {
3267                                         ast_copy_string(c->exten, d->exten, sizeof(c->exten));
3268                                         ast_copy_string(l->lastnumberdialed, d->exten, sizeof(l->lastnumberdialed));
3269                                         memset(d->exten, 0, sizeof(d->exten));
3270                                         skinny_newcall(c);
3271                                         return NULL;
3272                                 }
3273                         } else {
3274                                 /* It's a match, but they just typed a digit, and there is an ambiguous match,
3275                                    so just set the timeout to matchdigittimeout and wait some more */
3276                                 timeout = matchdigittimeout;
3277                         }
3278                 } else if (res == 0) {
3279                         ast_debug(1, "Not enough digits (%s) (and no ambiguous match)...\n", d->exten);
3280                         memset(d->exten, 0, sizeof(d->exten));
3281                         transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
3282                         if (sub->owner && sub->owner->_state != AST_STATE_UP) {
3283                                 ast_indicate(c, -1);
3284                                 ast_hangup(c);
3285                         }
3286                         return NULL;
3287                 } else if (!ast_canmatch_extension(c, c->context, d->exten, 1, c->cid.cid_num) &&
3288                            ((d->exten[0] != '*') || (!ast_strlen_zero(d->exten) > 2))) {
3289                         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);
3290                         memset(d->exten, 0, sizeof(d->exten));
3291                         transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
3292                         /* hang out for 3 seconds to let congestion play */
3293                         ast_safe_sleep(c, 3000);
3294                         break;
3295                 }
3296                 if (!timeout) {
3297                         timeout = gendigittimeout;
3298                 }
3299                 if (len && !ast_ignore_pattern(c->context, d->exten)) {
3300                         ast_indicate(c, -1);
3301                 }
3302         }
3303         if (c)
3304                 ast_hangup(c);
3305         memset(d->exten, 0, sizeof(d->exten));
3306         return NULL;
3307 }
3308
3309
3310
3311 static int skinny_call(struct ast_channel *ast, char *dest, int timeout)
3312 {
3313         int res = 0;
3314         int tone = 0;
3315         struct skinny_subchannel *sub = ast->tech_pvt;
3316         struct skinny_line *l = sub->parent;
3317         struct skinny_device *d = l->parent;
3318         struct skinnysession *s = d->session;
3319
3320         if (!d->registered) {
3321                 ast_log(LOG_ERROR, "Device not registered, cannot call %s\n", dest);
3322                 return -1;
3323         }
3324
3325         if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) {
3326                 ast_log(LOG_WARNING, "skinny_call called on %s, neither down nor reserved\n", ast->name);
3327                 return -1;
3328         }
3329
3330         if (skinnydebug)
3331                 ast_verb(3, "skinny_call(%s)\n", ast->name);
3332
3333         if (l->dnd) {
3334                 ast_queue_control(ast, AST_CONTROL_BUSY);
3335                 return -1;
3336         }
3337
3338         switch (l->hookstate) {
3339         case SKINNY_OFFHOOK:
3340                 tone = SKINNY_CALLWAITTONE;
3341                 break;
3342         case SKINNY_ONHOOK:
3343                 tone = SKINNY_ALERT;
3344                 break;
3345         default:
3346                 ast_log(LOG_ERROR, "Don't know how to deal with hookstate %d\n", l->hookstate);
3347                 break;
3348         }
3349
3350         transmit_callstate(s, l->instance, SKINNY_RINGIN, sub->callid);
3351         transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_RINGIN);
3352         transmit_displaypromptstatus(s, "Ring-In", 0, l->instance, sub->callid);
3353         transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, l->cid_name, l->cid_num, l->instance, sub->callid, 1);
3354         transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_BLINK);
3355         transmit_ringer_mode(s, SKINNY_RING_INSIDE);
3356
3357         ast_setstate(ast, AST_STATE_RINGING);
3358         ast_queue_control(ast, AST_CONTROL_RINGING);
3359         sub->outgoing = 1;
3360         return res;
3361 }
3362
3363 static int skinny_hangup(struct ast_channel *ast)
3364 {
3365         struct skinny_subchannel *sub = ast->tech_pvt;
3366         struct skinny_line *l;
3367         struct skinny_device *d;
3368         struct skinnysession *s;
3369
3370         if (!sub) {
3371                 ast_debug(1, "Asked to hangup channel not connected\n");
3372                 return 0;
3373         }
3374         l = sub->parent;
3375         d = l->parent;
3376         s = d->session;
3377         if (skinnydebug)
3378                 ast_verb(1, "skinny_hangup(%s) on %s@%s\n", ast->name, l->name, d->name);
3379
3380         if (d->registered) {
3381                 if ((l->type = TYPE_LINE) && (l->hookstate == SKINNY_OFFHOOK)) {
3382                         l->hookstate = SKINNY_ONHOOK;
3383                         transmit_callstate(s, l->instance, SKINNY_ONHOOK, sub->callid);
3384                         transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_OFF);
3385                         transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
3386                 } else if ((l->type = TYPE_LINE) && (l->hookstate == SKINNY_ONHOOK)) {
3387                         transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
3388                         transmit_callstate(s, l->instance, SKINNY_ONHOOK, sub->callid);
3389                         transmit_ringer_mode(s, SKINNY_RING_OFF);
3390                         transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_OFF);
3391                         do_housekeeping(s);
3392                 }
3393         }
3394         ast_mutex_lock(&sub->lock);
3395         sub->owner = NULL;
3396         ast->tech_pvt = NULL;
3397         sub->alreadygone = 0;
3398         sub->outgoing = 0;
3399         if (sub->rtp) {
3400                 ast_rtp_destroy(sub->rtp);
3401                 sub->rtp = NULL;
3402         }
3403         ast_mutex_unlock(&sub->lock);
3404         return 0;
3405 }
3406
3407 static int skinny_answer(struct ast_channel *ast)
3408 {
3409         int res = 0;
3410         struct skinny_subchannel *sub = ast->tech_pvt;
3411         struct skinny_line *l = sub->parent;
3412         struct skinny_device *d = l->parent;
3413         struct skinnysession *s = d->session;
3414         char exten[AST_MAX_EXTENSION] = "";
3415
3416         ast_copy_string(exten, S_OR(ast->macroexten, ast->exten), sizeof(exten));
3417
3418         sub->cxmode = SKINNY_CX_SENDRECV;
3419         if (!sub->rtp) {
3420                 start_rtp(sub);
3421         }
3422         if (skinnydebug)
3423                 ast_verb(1, "skinny_answer(%s) on %s@%s-%d\n", ast->name, l->name, d->name, sub->callid);
3424         if (ast->_state != AST_STATE_UP) {
3425                 ast_setstate(ast, AST_STATE_UP);
3426         }
3427
3428         transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
3429         /* order matters here...
3430            for some reason, transmit_callinfo must be before transmit_callstate,
3431            or you won't get keypad messages in some situations. */
3432         transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, exten, exten, l->instance, sub->callid, 2);
3433         transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
3434         transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
3435         transmit_dialednumber(s, exten, l->instance, sub->callid);
3436         transmit_displaypromptstatus(s, "Connected", 0, l->instance, sub->callid);
3437         return res;
3438 }
3439
3440 /* Retrieve audio/etc from channel.  Assumes sub->lock is already held. */
3441 static struct ast_frame *skinny_rtp_read(struct skinny_subchannel *sub)
3442 {
3443         struct ast_channel *ast = sub->owner;
3444         struct ast_frame *f;
3445
3446         if (!sub->rtp) {
3447                 /* We have no RTP allocated for this channel */
3448                 return &ast_null_frame;
3449         }
3450
3451         switch(ast->fdno) {
3452         case 0:
3453                 f = ast_rtp_read(sub->rtp);     /* RTP Audio */
3454                 break;
3455         case 1:
3456                 f = ast_rtcp_read(sub->rtp);    /* RTCP Control Channel */
3457                 break;
3458         case 2:
3459                 f = ast_rtp_read(sub->vrtp);    /* RTP Video */
3460                 break;
3461         case 3:
3462                 f = ast_rtcp_read(sub->vrtp);   /* RTCP Control Channel for video */
3463                 break;
3464 #if 0
3465         case 5:
3466                 /* Not yet supported */
3467                 f = ast_udptl_read(sub->udptl); /* UDPTL for T.38 */
3468                 break;
3469 #endif
3470         default:
3471                 f = &ast_null_frame;
3472         }
3473
3474         if (ast) {
3475                 /* We already hold the channel lock */
3476                 if (f->frametype == AST_FRAME_VOICE) {
3477                         if (f->subclass != ast->nativeformats) {
3478                                 ast_debug(1, "Oooh, format changed to %d\n", f->subclass);
3479                                 ast->nativeformats = f->subclass;
3480                                 ast_set_read_format(ast, ast->readformat);
3481                                 ast_set_write_format(ast, ast->writeformat);
3482                         }
3483                 }
3484         }
3485         return f;
3486 }
3487
3488 static struct ast_frame *skinny_read(struct ast_channel *ast)
3489 {
3490         struct ast_frame *fr;
3491         struct skinny_subchannel *sub = ast->tech_pvt;
3492         ast_mutex_lock(&sub->lock);
3493         fr = skinny_rtp_read(sub);
3494         ast_mutex_unlock(&sub->lock);
3495         return fr;
3496 }
3497
3498 static int skinny_write(struct ast_channel *ast, struct ast_frame *frame)
3499 {
3500         struct skinny_subchannel *sub = ast->tech_pvt;
3501         int res = 0;
3502         if (frame->frametype != AST_FRAME_VOICE) {
3503                 if (frame->frametype == AST_FRAME_IMAGE) {
3504                         return 0;
3505                 } else {
3506                         ast_log(LOG_WARNING, "Can't send %d type frames with skinny_write\n", frame->frametype);
3507                         return 0;
3508                 }
3509         } else {
3510                 if (!(frame->subclass & ast->nativeformats)) {
3511                         ast_log(LOG_WARNING, "Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n",
3512                                 frame->subclass, ast->nativeformats, ast->readformat, ast->writeformat);
3513                         return -1;
3514                 }
3515         }
3516         if (sub) {
3517                 ast_mutex_lock(&sub->lock);
3518                 if (sub->rtp) {
3519                         res = ast_rtp_write(sub->rtp, frame);
3520                 }
3521                 ast_mutex_unlock(&sub->lock);
3522         }
3523         return res;
3524 }
3525
3526 static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
3527 {
3528         struct skinny_subchannel *sub = newchan->tech_pvt;
3529         ast_log(LOG_NOTICE, "skinny_fixup(%s, %s)\n", oldchan->name, newchan->name);
3530         if (sub->owner != oldchan) {
3531                 ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, sub->owner);
3532                 return -1;
3533         }
3534         sub->owner = newchan;
3535         return 0;
3536 }
3537
3538 static int skinny_senddigit_begin(struct ast_channel *ast, char digit)
3539 {
3540         return -1; /* Start inband indications */
3541 }
3542
3543 static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration)
3544 {
3545 #if 0
3546         struct skinny_subchannel *sub = ast->tech_pvt;
3547         struct skinny_line *l = sub->parent;
3548         struct skinny_device *d = l->parent;
3549         int tmp;
3550         /* not right */
3551         sprintf(tmp, "%d", digit);
3552         transmit_tone(d->session, digit, l->instance, sub->callid);
3553 #endif
3554         return -1; /* Stop inband indications */
3555 }
3556
3557 static int get_devicestate(struct skinny_line *l)
3558 {
3559         struct skinny_subchannel *sub;
3560         int res = AST_DEVICE_UNKNOWN;
3561
3562         if (!l)
3563                 res = AST_DEVICE_INVALID;
3564         else if (!l->parent)
3565                 res = AST_DEVICE_UNAVAILABLE;
3566         else if (l->dnd)
3567                 res = AST_DEVICE_BUSY;
3568         else {
3569                 if (l->hookstate == SKINNY_ONHOOK) {
3570                         res = AST_DEVICE_NOT_INUSE;
3571                 } else {
3572                         res = AST_DEVICE_INUSE;
3573                 }
3574
3575                 for (sub = l->sub; sub; sub = sub->next) {
3576                         if (sub->onhold) {
3577                                 res = AST_DEVICE_ONHOLD;
3578                                 break;
3579                         }
3580                 }
3581         }
3582
3583         return res;
3584 }
3585
3586 static char *control2str(int ind) {
3587         char *tmp;
3588
3589         switch (ind) {
3590         case AST_CONTROL_HANGUP:
3591                 return "Other end has hungup";
3592         case AST_CONTROL_RING:
3593                 return "Local ring";
3594         case AST_CONTROL_RINGING:
3595                 return "Remote end is ringing";
3596         case AST_CONTROL_ANSWER:
3597                 return "Remote end has answered";
3598         case AST_CONTROL_BUSY:
3599                 return "Remote end is busy";
3600         case AST_CONTROL_TAKEOFFHOOK:
3601                 return "Make it go off hook";
3602         case AST_CONTROL_OFFHOOK:
3603                 return "Line is off hook";
3604         case AST_CONTROL_CONGESTION:
3605                 return "Congestion (circuits busy)";
3606         case AST_CONTROL_FLASH:
3607                 return "Flash hook";
3608         case AST_CONTROL_WINK:
3609                 return "Wink";
3610         case AST_CONTROL_OPTION:
3611                 return "Set a low-level option";
3612         case AST_CONTROL_RADIO_KEY:
3613                 return "Key Radio";
3614         case AST_CONTROL_RADIO_UNKEY:
3615                 return "Un-Key Radio";
3616         case AST_CONTROL_PROGRESS:
3617                 return "Remote end is making Progress";
3618         case AST_CONTROL_PROCEEDING:
3619                 return "Remote end is proceeding";
3620         case AST_CONTROL_HOLD:
3621                 return "Hold";
3622         case AST_CONTROL_UNHOLD:
3623                 return "Unhold";
3624         case -1:
3625                 return "Stop tone";
3626         default:
3627                 if (!(tmp = ast_threadstorage_get(&control2str_threadbuf, CONTROL2STR_BUFSIZE)))
3628                         return "Unknown";
3629                 snprintf(tmp, CONTROL2STR_BUFSIZE, "UNKNOWN-%d", ind);
3630                 return tmp;
3631         }
3632 }
3633
3634
3635 static int skinny_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen)
3636 {
3637         struct skinny_subchannel *sub = ast->tech_pvt;
3638         struct skinny_line *l = sub->parent;
3639         struct skinny_device *d = l->parent;
3640         struct skinnysession *s = d->session;
3641         char exten[AST_MAX_EXTENSION] = "";
3642
3643         if (!s) {
3644                 ast_log(LOG_NOTICE, "Asked to indicate '%s' condition on channel %s, but session does not exist.\n", control2str(ind), ast->name);
3645                 return -1;
3646         }
3647
3648         ast_copy_string(exten, S_OR(ast->macroexten, ast->exten), sizeof(exten));
3649
3650         if (skinnydebug)
3651                 ast_verb(3, "Asked to indicate '%s' condition on channel %s\n", control2str(ind), ast->name);
3652         switch(ind) {
3653         cas