Undo inadvertent changes to chan_skinny caused by the merging of urgent messaging
[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 #include "asterisk/event.h"
71
72 /*************************************
73  * Skinny/Asterisk Protocol Settings *
74  *************************************/
75 static const char tdesc[] = "Skinny Client Control Protocol (Skinny)";
76 static const char config[] = "skinny.conf";
77
78 static int default_capability = AST_FORMAT_ULAW | AST_FORMAT_ALAW;
79 static struct ast_codec_pref default_prefs;
80
81 enum skinny_codecs {
82         SKINNY_CODEC_ALAW = 2,
83         SKINNY_CODEC_ULAW = 4,
84         SKINNY_CODEC_G723_1 = 9,
85         SKINNY_CODEC_G729A = 12,
86         SKINNY_CODEC_G726_32 = 82, /* XXX Which packing order does this translate to? */
87         SKINNY_CODEC_H261 = 100,
88         SKINNY_CODEC_H263 = 101
89 };
90
91 #define DEFAULT_SKINNY_PORT     2000
92 #define DEFAULT_SKINNY_BACKLOG  2
93 #define SKINNY_MAX_PACKET       1000
94
95 static unsigned int tos = 0;
96 static unsigned int tos_audio = 0;
97 static unsigned int tos_video = 0;
98 static unsigned int cos = 0;
99 static unsigned int cos_audio = 0;
100 static unsigned int cos_video = 0;
101
102 static int keep_alive = 120;
103 static char vmexten[AST_MAX_EXTENSION];         /* Voicemail pilot number */
104 static char used_context[AST_MAX_EXTENSION];            /* Voicemail pilot number */
105 static char regcontext[AST_MAX_CONTEXT];        /* Context for auto-extension */
106 static char date_format[6] = "D-M-Y";
107 static char version_id[16] = "P002F202";
108
109 #if __BYTE_ORDER == __LITTLE_ENDIAN
110 #define letohl(x) (x)
111 #define letohs(x) (x)
112 #define htolel(x) (x)
113 #define htoles(x) (x)
114 #else
115 #if defined(HAVE_BYTESWAP_H)
116 #include <byteswap.h>
117 #define letohl(x) bswap_32(x)
118 #define letohs(x) bswap_16(x)
119 #define htolel(x) bswap_32(x)
120 #define htoles(x) bswap_16(x)
121 #elif defined(HAVE_SYS_ENDIAN_SWAP16)
122 #include <sys/endian.h>
123 #define letohl(x) __swap32(x)
124 #define letohs(x) __swap16(x)
125 #define htolel(x) __swap32(x)
126 #define htoles(x) __swap16(x)
127 #elif defined(HAVE_SYS_ENDIAN_BSWAP16)
128 #include <sys/endian.h>
129 #define letohl(x) bswap32(x)
130 #define letohs(x) bswap16(x)
131 #define htolel(x) bswap32(x)
132 #define htoles(x) bswap16(x)
133 #else
134 #define __bswap_16(x) \
135         ((((x) & 0xff00) >> 8) | \
136          (((x) & 0x00ff) << 8))
137 #define __bswap_32(x) \
138         ((((x) & 0xff000000) >> 24) | \
139          (((x) & 0x00ff0000) >>  8) | \
140          (((x) & 0x0000ff00) <<  8) | \
141          (((x) & 0x000000ff) << 24))
142 #define letohl(x) __bswap_32(x)
143 #define letohs(x) __bswap_16(x)
144 #define htolel(x) __bswap_32(x)
145 #define htoles(x) __bswap_16(x)
146 #endif
147 #endif
148
149 /*! Global jitterbuffer configuration - by default, jb is disabled */
150 static struct ast_jb_conf default_jbconf =
151 {
152         .flags = 0,
153         .max_size = -1,
154         .resync_threshold = -1,
155         .impl = ""
156 };
157 static struct ast_jb_conf global_jbconf;
158
159 AST_THREADSTORAGE(device2str_threadbuf);
160 #define DEVICE2STR_BUFSIZE   15
161
162 AST_THREADSTORAGE(control2str_threadbuf);
163 #define CONTROL2STR_BUFSIZE   100
164
165 /*********************
166  * Protocol Messages *
167  *********************/
168 /* message types */
169 #define KEEP_ALIVE_MESSAGE 0x0000
170 /* no additional struct */
171
172 #define REGISTER_MESSAGE 0x0001
173 struct register_message {
174         char name[16];
175         uint32_t userId;
176         uint32_t instance;
177         uint32_t ip;
178         uint32_t type;
179         uint32_t maxStreams;
180 };
181
182 #define IP_PORT_MESSAGE 0x0002
183
184 #define KEYPAD_BUTTON_MESSAGE 0x0003
185 struct keypad_button_message {
186         uint32_t button;
187         uint32_t lineInstance;
188         uint32_t callReference;
189 };
190
191
192 #define ENBLOC_CALL_MESSAGE 0x0004
193 struct enbloc_call_message {
194        char calledParty[24];
195 };
196
197 #define STIMULUS_MESSAGE 0x0005
198 struct stimulus_message {
199         uint32_t stimulus;
200         uint32_t stimulusInstance;
201         uint32_t callreference;
202 };
203
204 #define OFFHOOK_MESSAGE 0x0006
205 struct offhook_message {
206         uint32_t unknown1;
207         uint32_t unknown2;
208 };
209
210 #define ONHOOK_MESSAGE 0x0007
211 struct onhook_message {
212         uint32_t unknown1;
213         uint32_t unknown2;
214 };
215
216 #define CAPABILITIES_RES_MESSAGE 0x0010
217 struct station_capabilities {
218         uint32_t codec;
219         uint32_t frames;
220         union {
221                 char res[8];
222                 uint32_t rate;
223         } payloads;
224 };
225
226 #define SKINNY_MAX_CAPABILITIES 18
227
228 struct capabilities_res_message {
229         uint32_t count;
230         struct station_capabilities caps[SKINNY_MAX_CAPABILITIES];
231 };
232
233 #define SPEED_DIAL_STAT_REQ_MESSAGE 0x000A
234 struct speed_dial_stat_req_message {
235         uint32_t speedDialNumber;
236 };
237
238 #define LINE_STATE_REQ_MESSAGE 0x000B
239 struct line_state_req_message {
240         uint32_t lineNumber;
241 };
242
243 #define TIME_DATE_REQ_MESSAGE 0x000D
244 #define BUTTON_TEMPLATE_REQ_MESSAGE 0x000E
245 #define VERSION_REQ_MESSAGE 0x000F
246 #define SERVER_REQUEST_MESSAGE 0x0012
247
248 #define ALARM_MESSAGE 0x0020
249 struct alarm_message {
250         uint32_t alarmSeverity;
251         char displayMessage[80];
252         uint32_t alarmParam1;
253         uint32_t alarmParam2;
254 };
255
256 #define OPEN_RECEIVE_CHANNEL_ACK_MESSAGE 0x0022
257 struct open_receive_channel_ack_message {
258         uint32_t status;
259         uint32_t ipAddr;
260         uint32_t port;
261         uint32_t passThruId;
262 };
263
264 #define SOFT_KEY_SET_REQ_MESSAGE 0x0025
265
266 #define SOFT_KEY_EVENT_MESSAGE 0x0026
267 struct soft_key_event_message {
268         uint32_t softKeyEvent;
269         uint32_t instance;
270         uint32_t callreference;
271 };
272
273 #define UNREGISTER_MESSAGE 0x0027
274 #define SOFT_KEY_TEMPLATE_REQ_MESSAGE 0x0028
275 #define HEADSET_STATUS_MESSAGE 0x002B
276 #define REGISTER_AVAILABLE_LINES_MESSAGE 0x002D
277
278 #define REGISTER_ACK_MESSAGE 0x0081
279 struct register_ack_message {
280         uint32_t keepAlive;
281         char dateTemplate[6];
282         char res[2];
283         uint32_t secondaryKeepAlive;
284         char res2[4];
285 };
286
287 #define START_TONE_MESSAGE 0x0082
288 struct start_tone_message {
289         uint32_t tone;
290         uint32_t space;
291         uint32_t instance;
292         uint32_t reference;
293 };
294
295 #define STOP_TONE_MESSAGE 0x0083
296 struct stop_tone_message {
297         uint32_t instance;
298         uint32_t reference;
299 };
300
301 #define SET_RINGER_MESSAGE 0x0085
302 struct set_ringer_message {
303         uint32_t ringerMode;
304         uint32_t unknown1; /* See notes in transmit_ringer_mode */
305         uint32_t unknown2;
306         uint32_t space[2];
307 };
308
309 #define SET_LAMP_MESSAGE 0x0086
310 struct set_lamp_message {
311         uint32_t stimulus;
312         uint32_t stimulusInstance;
313         uint32_t deviceStimulus;
314 };
315
316 #define SET_SPEAKER_MESSAGE 0x0088
317 struct set_speaker_message {
318         uint32_t mode;
319 };
320
321 /* XXX When do we need to use this? */
322 #define SET_MICROPHONE_MESSAGE 0x0089
323 struct set_microphone_message {
324         uint32_t mode;
325 };
326
327 #define START_MEDIA_TRANSMISSION_MESSAGE 0x008A
328 struct media_qualifier {
329         uint32_t precedence;
330         uint32_t vad;
331         uint16_t packets;
332         uint32_t bitRate;
333 };
334
335 struct start_media_transmission_message {
336         uint32_t conferenceId;
337         uint32_t passThruPartyId;
338         uint32_t remoteIp;
339         uint32_t remotePort;
340         uint32_t packetSize;
341         uint32_t payloadType;
342         struct media_qualifier qualifier;
343         uint32_t space[16];
344 };
345
346 #define STOP_MEDIA_TRANSMISSION_MESSAGE 0x008B
347 struct stop_media_transmission_message {
348         uint32_t conferenceId;
349         uint32_t passThruPartyId;
350         uint32_t space[3];
351 };
352
353 #define CALL_INFO_MESSAGE 0x008F
354 struct call_info_message {
355         char callingPartyName[40];
356         char callingParty[24];
357         char calledPartyName[40];
358         char calledParty[24];
359         uint32_t instance;
360         uint32_t reference;
361         uint32_t type;
362         char originalCalledPartyName[40];
363         char originalCalledParty[24];
364         char lastRedirectingPartyName[40];
365         char lastRedirectingParty[24];
366         uint32_t originalCalledPartyRedirectReason;
367         uint32_t lastRedirectingReason;
368         char callingPartyVoiceMailbox[24];
369         char calledPartyVoiceMailbox[24];
370         char originalCalledPartyVoiceMailbox[24];
371         char lastRedirectingVoiceMailbox[24];
372         uint32_t space[3];
373 };
374
375 #define FORWARD_STAT_MESSAGE 0x0090
376 struct forward_stat_message {
377         uint32_t activeforward;
378         uint32_t lineNumber;
379         uint32_t fwdall;
380         char fwdallnum[24];
381         uint32_t fwdbusy;
382         char fwdbusynum[24];
383         uint32_t fwdnoanswer;
384         char fwdnoanswernum[24];
385 };
386
387 #define SPEED_DIAL_STAT_RES_MESSAGE 0x0091
388 struct speed_dial_stat_res_message {
389         uint32_t speedDialNumber;
390         char speedDialDirNumber[24];
391         char speedDialDisplayName[40];
392 };
393
394 #define LINE_STAT_RES_MESSAGE 0x0092
395 struct line_stat_res_message {
396         uint32_t lineNumber;
397         char lineDirNumber[24];
398         char lineDisplayName[24];
399         uint32_t space[15];
400 };
401
402 #define DEFINETIMEDATE_MESSAGE 0x0094
403 struct definetimedate_message {
404         uint32_t year;  /* since 1900 */
405         uint32_t month;
406         uint32_t dayofweek;     /* monday = 1 */
407         uint32_t day;
408         uint32_t hour;
409         uint32_t minute;
410         uint32_t seconds;
411         uint32_t milliseconds;
412         uint32_t timestamp;
413 };
414
415 #define BUTTON_TEMPLATE_RES_MESSAGE 0x0097
416 struct button_definition {
417         uint8_t instanceNumber;
418         uint8_t buttonDefinition;
419 };
420
421 struct button_definition_template {
422         uint8_t buttonDefinition;
423         /* for now, anything between 0xB0 and 0xCF is custom */
424         /*int custom;*/
425 };
426
427 #define STIMULUS_REDIAL                 0x01
428 #define STIMULUS_SPEEDDIAL              0x02
429 #define STIMULUS_HOLD                   0x03
430 #define STIMULUS_TRANSFER               0x04
431 #define STIMULUS_FORWARDALL             0x05
432 #define STIMULUS_FORWARDBUSY            0x06
433 #define STIMULUS_FORWARDNOANSWER        0x07
434 #define STIMULUS_DISPLAY                0x08
435 #define STIMULUS_LINE                   0x09
436 #define STIMULUS_VOICEMAIL              0x0F
437 #define STIMULUS_AUTOANSWER             0x11
438 #define STIMULUS_DND                    0x3F
439 #define STIMULUS_CONFERENCE             0x7D
440 #define STIMULUS_CALLPARK               0x7E
441 #define STIMULUS_CALLPICKUP             0x7F
442 #define STIMULUS_NONE                   0xFF
443
444 /* Button types */
445 #define BT_REDIAL                       STIMULUS_REDIAL
446 #define BT_SPEEDDIAL                    STIMULUS_SPEEDDIAL
447 #define BT_HOLD                         STIMULUS_HOLD
448 #define BT_TRANSFER                     STIMULUS_TRANSFER
449 #define BT_FORWARDALL                   STIMULUS_FORWARDALL
450 #define BT_FORWARDBUSY                  STIMULUS_FORWARDBUSY
451 #define BT_FORWARDNOANSWER              STIMULUS_FORWARDNOANSWER
452 #define BT_DISPLAY                      STIMULUS_DISPLAY
453 #define BT_LINE                         STIMULUS_LINE
454 #define BT_VOICEMAIL                    STIMULUS_VOICEMAIL
455 #define BT_AUTOANSWER                   STIMULUS_AUTOANSWER
456 #define BT_DND                          STIMULUS_DND
457 #define BT_CONFERENCE                   STIMULUS_CONFERENCE
458 #define BT_CALLPARK                     STIMULUS_CALLPARK
459 #define BT_CALLPICKUP                   STIMULUS_CALLPICKUP
460 #define BT_NONE                         0x00
461
462 /* Custom button types - add our own between 0xB0 and 0xCF.
463    This may need to be revised in the future,
464    if stimuluses are ever added in this range. */
465 #define BT_CUST_LINESPEEDDIAL           0xB0    /* line or speeddial with/without hint */
466 #define BT_CUST_LINE                    0xB1    /* line or speeddial with hint only */
467
468 struct button_template_res_message {
469         uint32_t buttonOffset;
470         uint32_t buttonCount;
471         uint32_t totalButtonCount;
472         struct button_definition definition[42];
473 };
474
475 #define VERSION_RES_MESSAGE 0x0098
476 struct version_res_message {
477         char version[16];
478 };
479
480 #define DISPLAYTEXT_MESSAGE 0x0099
481 struct displaytext_message {
482         char text[40];
483 };
484
485 #define CLEAR_NOTIFY_MESSAGE  0x0115
486 #define CLEAR_DISPLAY_MESSAGE 0x009A
487
488 #define CAPABILITIES_REQ_MESSAGE 0x009B
489
490 #define REGISTER_REJ_MESSAGE 0x009D
491 struct register_rej_message {
492         char errMsg[33];
493 };
494
495 #define SERVER_RES_MESSAGE 0x009E
496 struct server_identifier {
497         char serverName[48];
498 };
499
500 struct server_res_message {
501         struct server_identifier server[5];
502         uint32_t serverListenPort[5];
503         uint32_t serverIpAddr[5];
504 };
505
506 #define RESET_MESSAGE 0x009F
507 struct reset_message {
508         uint32_t resetType;
509 };
510
511 #define KEEP_ALIVE_ACK_MESSAGE 0x0100
512
513 #define OPEN_RECEIVE_CHANNEL_MESSAGE 0x0105
514 struct open_receive_channel_message {
515         uint32_t conferenceId;
516         uint32_t partyId;
517         uint32_t packets;
518         uint32_t capability;
519         uint32_t echo;
520         uint32_t bitrate;
521         uint32_t space[16];
522 };
523
524 #define CLOSE_RECEIVE_CHANNEL_MESSAGE 0x0106
525 struct close_receive_channel_message {
526         uint32_t conferenceId;
527         uint32_t partyId;
528         uint32_t space[2];
529 };
530
531 #define SOFT_KEY_TEMPLATE_RES_MESSAGE 0x0108
532
533 struct soft_key_template_definition {
534         char softKeyLabel[16];
535         uint32_t softKeyEvent;
536 };
537
538 #define KEYDEF_ONHOOK                   0
539 #define KEYDEF_CONNECTED                1
540 #define KEYDEF_ONHOLD                   2
541 #define KEYDEF_RINGIN                   3
542 #define KEYDEF_OFFHOOK                  4
543 #define KEYDEF_CONNWITHTRANS            5
544 #define KEYDEF_DADFD                    6 /* Digits After Dialing First Digit */
545 #define KEYDEF_CONNWITHCONF             7
546 #define KEYDEF_RINGOUT                  8
547 #define KEYDEF_OFFHOOKWITHFEAT          9
548 #define KEYDEF_UNKNOWN                  10
549
550 #define SOFTKEY_NONE                    0x00
551 #define SOFTKEY_REDIAL                  0x01
552 #define SOFTKEY_NEWCALL                 0x02
553 #define SOFTKEY_HOLD                    0x03
554 #define SOFTKEY_TRNSFER                 0x04
555 #define SOFTKEY_CFWDALL                 0x05
556 #define SOFTKEY_CFWDBUSY                0x06
557 #define SOFTKEY_CFWDNOANSWER            0x07
558 #define SOFTKEY_BKSPC                   0x08
559 #define SOFTKEY_ENDCALL                 0x09
560 #define SOFTKEY_RESUME                  0x0A
561 #define SOFTKEY_ANSWER                  0x0B
562 #define SOFTKEY_INFO                    0x0C
563 #define SOFTKEY_CONFRN                  0x0D
564 #define SOFTKEY_PARK                    0x0E
565 #define SOFTKEY_JOIN                    0x0F
566 #define SOFTKEY_MEETME                  0x10
567 #define SOFTKEY_PICKUP                  0x11
568 #define SOFTKEY_GPICKUP                 0x12
569 #define SOFTKEY_DND                     0x13
570 #define SOFTKEY_IDIVERT                 0x14
571
572 struct soft_key_template_definition soft_key_template_default[] = {
573         { "\200\001",           SOFTKEY_REDIAL },
574         { "\200\002",           SOFTKEY_NEWCALL },
575         { "\200\003",           SOFTKEY_HOLD },
576         { "\200\004",           SOFTKEY_TRNSFER },
577         { "\200\005",           SOFTKEY_CFWDALL },
578         { "\200\006",           SOFTKEY_CFWDBUSY },
579         { "\200\007",           SOFTKEY_CFWDNOANSWER },
580         { "\200\010",           SOFTKEY_BKSPC },
581         { "\200\011",           SOFTKEY_ENDCALL },
582         { "\200\012",           SOFTKEY_RESUME },
583         { "\200\013",           SOFTKEY_ANSWER },
584         { "\200\014",           SOFTKEY_INFO },
585         { "\200\015",           SOFTKEY_CONFRN },
586         { "\200\016",           SOFTKEY_PARK },
587         { "\200\017",           SOFTKEY_JOIN },
588         { "\200\020",           SOFTKEY_MEETME },
589         { "\200\021",           SOFTKEY_PICKUP },
590         { "\200\022",           SOFTKEY_GPICKUP },
591         { "\200\077",           SOFTKEY_DND },
592         { "\200\120",           SOFTKEY_IDIVERT },
593 };
594
595 /* Localized message "codes" (in octal)
596    Below is en_US (taken from a 7970)
597
598    \200\xxx
599        \000: ???
600        \001: Redial
601        \002: New Call
602        \003: Hold
603        \004: Transfer
604        \005: CFwdALL
605        \006: CFwdBusy
606        \007: CFwdNoAnswer
607        \010: <<
608        \011: EndCall
609        \012: Resume
610        \013: Answer
611        \014: Info
612        \015: Confrn
613        \016: Park
614        \017: Join
615        \020: MeetMe
616        \021: PickUp
617        \022: GPickUp
618        \023: Your current options
619        \024: Off Hook
620        \025: On Hook
621        \026: Ring out
622        \027: From
623        \030: Connected
624        \031: Busy
625        \032: Line In Use
626        \033: Call Waiting
627        \034: Call Transfer
628        \035: Call Park
629        \036: Call Proceed
630        \037: In Use Remote
631        \040: Enter number
632        \041: Call park At
633        \042: Primary Only
634        \043: Temp Fail
635        \044: You Have VoiceMail
636        \045: Forwarded to
637        \046: Can Not Complete Conference
638        \047: No Conference Bridge
639        \050: Can Not Hold Primary Control
640        \051: Invalid Conference Participant
641        \052: In Conference Already
642        \053: No Participant Info
643        \054: Exceed Maximum Parties
644        \055: Key Is Not Active
645        \056: Error No License
646        \057: Error DBConfig
647        \060: Error Database
648        \061: Error Pass Limit
649        \062: Error Unknown
650        \063: Error Mismatch
651        \064: Conference
652        \065: Park Number
653        \066: Private
654        \067: Not Enough Bandwidth
655        \070: Unknown Number
656        \071: RmLstC
657        \072: Voicemail
658        \073: ImmDiv
659        \074: Intrcpt
660        \075: SetWtch
661        \076: TrnsfVM
662        \077: DND
663        \100: DivAll
664        \101: CallBack
665        \102: Network congestion,rerouting
666        \103: Barge
667        \104: Failed to setup Barge
668        \105: Another Barge exists
669        \106: Incompatible device type
670        \107: No Park Number Available
671        \110: CallPark Reversion
672        \111: Service is not Active
673        \112: High Traffic Try Again Later
674        \113: QRT
675        \114: MCID
676        \115: DirTrfr
677        \116: Select
678        \117: ConfList
679        \120: iDivert
680        \121: cBarge
681        \122: Can Not Complete Transfer
682        \123: Can Not Join Calls
683        \124: Mcid Successful
684        \125: Number Not Configured
685        \126: Security Error
686        \127: Video Bandwidth Unavailable
687        \130: VidMode
688        \131: Max Call Duration Timeout
689        \132: Max Hold Duration Timeout
690        \133: OPickUp
691        \134: ???
692        \135: ???
693        \136: ???
694        \137: ???
695        \140: ???
696        \141: External Transfer Restricted
697        \142: ???
698        \143: ???
699        \144: ???
700        \145: Mac Address
701        \146: Host Name
702        \147: Domain Name
703        \150: IP Address
704        \151: Subnet Mask
705        \152: TFTP Server 1
706        \153: Default Router 1
707        \154: Default Router 2
708        \155: Default Router 3
709        \156: Default Router 4
710        \157: Default Router 5
711        \160: DNS Server 1
712        \161: DNS Server 2
713        \162: DNS Server 3
714        \163: DNS Server 4
715        \164: DNS Server 5
716        \165: Operational VLAN Id
717        \166: Admin. VLAN Id
718        \167: CallManager 1
719        \170: CallManager 2
720        \171: CallManager 3
721        \172: CallManager 4
722        \173: CallManager 5
723        \174: Information URL
724        \175: Directories URL
725        \176: Messages URL
726        \177: Services URL
727  */
728
729 struct soft_key_definitions {
730         const uint8_t mode;
731         const uint8_t *defaults;
732         const int count;
733 };
734
735 static const uint8_t soft_key_default_onhook[] = {
736         SOFTKEY_REDIAL,
737         SOFTKEY_NEWCALL,
738         SOFTKEY_CFWDALL,
739         SOFTKEY_CFWDBUSY,
740         SOFTKEY_DND,
741         /*SOFTKEY_GPICKUP,
742         SOFTKEY_CONFRN,*/
743 };
744
745 static const uint8_t soft_key_default_connected[] = {
746         SOFTKEY_HOLD,
747         SOFTKEY_ENDCALL,
748         SOFTKEY_TRNSFER,
749         SOFTKEY_PARK,
750         SOFTKEY_CFWDALL,
751         SOFTKEY_CFWDBUSY,
752 };
753
754 static const uint8_t soft_key_default_onhold[] = {
755         SOFTKEY_RESUME,
756         SOFTKEY_NEWCALL,
757         SOFTKEY_ENDCALL,
758         SOFTKEY_TRNSFER,
759 };
760
761 static const uint8_t soft_key_default_ringin[] = {
762         SOFTKEY_ANSWER,
763         SOFTKEY_ENDCALL,
764         SOFTKEY_TRNSFER,
765 };
766
767 static const uint8_t soft_key_default_offhook[] = {
768         SOFTKEY_REDIAL,
769         SOFTKEY_ENDCALL,
770         SOFTKEY_CFWDALL,
771         SOFTKEY_CFWDBUSY,
772         /*SOFTKEY_GPICKUP,*/
773 };
774
775 static const uint8_t soft_key_default_connwithtrans[] = {
776         SOFTKEY_HOLD,
777         SOFTKEY_ENDCALL,
778         SOFTKEY_TRNSFER,
779         SOFTKEY_PARK,
780         SOFTKEY_CFWDALL,
781         SOFTKEY_CFWDBUSY,
782 };
783
784 static const uint8_t soft_key_default_dadfd[] = {
785         SOFTKEY_BKSPC,
786         SOFTKEY_ENDCALL,
787 };
788
789 static const uint8_t soft_key_default_connwithconf[] = {
790         SOFTKEY_NONE,
791 };
792
793 static const uint8_t soft_key_default_ringout[] = {
794         SOFTKEY_NONE,
795         SOFTKEY_ENDCALL,
796 };
797
798 static const uint8_t soft_key_default_offhookwithfeat[] = {
799         SOFTKEY_REDIAL,
800         SOFTKEY_ENDCALL,
801 };
802
803 static const uint8_t soft_key_default_unknown[] = {
804         SOFTKEY_NONE,
805 };
806
807 static const struct soft_key_definitions soft_key_default_definitions[] = {
808         {KEYDEF_ONHOOK, soft_key_default_onhook, sizeof(soft_key_default_onhook) / sizeof(uint8_t)},
809         {KEYDEF_CONNECTED, soft_key_default_connected, sizeof(soft_key_default_connected) / sizeof(uint8_t)},
810         {KEYDEF_ONHOLD, soft_key_default_onhold, sizeof(soft_key_default_onhold) / sizeof(uint8_t)},
811         {KEYDEF_RINGIN, soft_key_default_ringin, sizeof(soft_key_default_ringin) / sizeof(uint8_t)},
812         {KEYDEF_OFFHOOK, soft_key_default_offhook, sizeof(soft_key_default_offhook) / sizeof(uint8_t)},
813         {KEYDEF_CONNWITHTRANS, soft_key_default_connwithtrans, sizeof(soft_key_default_connwithtrans) / sizeof(uint8_t)},
814         {KEYDEF_DADFD, soft_key_default_dadfd, sizeof(soft_key_default_dadfd) / sizeof(uint8_t)},
815         {KEYDEF_CONNWITHCONF, soft_key_default_connwithconf, sizeof(soft_key_default_connwithconf) / sizeof(uint8_t)},
816         {KEYDEF_RINGOUT, soft_key_default_ringout, sizeof(soft_key_default_ringout) / sizeof(uint8_t)},
817         {KEYDEF_OFFHOOKWITHFEAT, soft_key_default_offhookwithfeat, sizeof(soft_key_default_offhookwithfeat) / sizeof(uint8_t)},
818         {KEYDEF_UNKNOWN, soft_key_default_unknown, sizeof(soft_key_default_unknown) / sizeof(uint8_t)}
819 };
820
821 struct soft_key_template_res_message {
822         uint32_t softKeyOffset;
823         uint32_t softKeyCount;
824         uint32_t totalSoftKeyCount;
825         struct soft_key_template_definition softKeyTemplateDefinition[32];
826 };
827
828 #define SOFT_KEY_SET_RES_MESSAGE 0x0109
829
830 struct soft_key_set_definition {
831         uint8_t softKeyTemplateIndex[16];
832         uint16_t softKeyInfoIndex[16];
833 };
834
835 struct soft_key_set_res_message {
836         uint32_t softKeySetOffset;
837         uint32_t softKeySetCount;
838         uint32_t totalSoftKeySetCount;
839         struct soft_key_set_definition softKeySetDefinition[16];
840         uint32_t res;
841 };
842
843 #define SELECT_SOFT_KEYS_MESSAGE 0x0110
844 struct select_soft_keys_message {
845         uint32_t instance;
846         uint32_t reference;
847         uint32_t softKeySetIndex;
848         uint32_t validKeyMask;
849 };
850
851 #define CALL_STATE_MESSAGE 0x0111
852 struct call_state_message {
853         uint32_t callState;
854         uint32_t lineInstance;
855         uint32_t callReference;
856         uint32_t space[3];
857 };
858
859 #define DISPLAY_PROMPT_STATUS_MESSAGE 0x0112
860 struct display_prompt_status_message {
861         uint32_t messageTimeout;
862         char promptMessage[32];
863         uint32_t lineInstance;
864         uint32_t callReference;
865 };
866
867 #define CLEAR_PROMPT_MESSAGE  0x0113
868 struct clear_prompt_message {
869        uint32_t lineInstance;
870        uint32_t callReference;
871 };
872
873 #define DISPLAY_NOTIFY_MESSAGE 0x0114
874 struct display_notify_message {
875         uint32_t displayTimeout;
876         char displayMessage[100];
877 };
878
879 #define ACTIVATE_CALL_PLANE_MESSAGE 0x0116
880 struct activate_call_plane_message {
881         uint32_t lineInstance;
882 };
883
884 #define DIALED_NUMBER_MESSAGE 0x011D
885 struct dialed_number_message {
886         char dialedNumber[24];
887         uint32_t lineInstance;
888         uint32_t callReference;
889 };
890
891 union skinny_data {
892         struct alarm_message alarm;
893         struct speed_dial_stat_req_message speeddialreq;
894         struct register_message reg;
895         struct register_ack_message regack;
896         struct register_rej_message regrej;
897         struct capabilities_res_message caps;
898         struct version_res_message version;
899         struct button_template_res_message buttontemplate;
900         struct displaytext_message displaytext;
901         struct display_prompt_status_message displaypromptstatus;
902         struct clear_prompt_message clearpromptstatus;
903         struct definetimedate_message definetimedate;
904         struct start_tone_message starttone;
905         struct stop_tone_message stoptone;
906         struct speed_dial_stat_res_message speeddial;
907         struct line_state_req_message line;
908         struct line_stat_res_message linestat;
909         struct soft_key_set_res_message softkeysets;
910         struct soft_key_template_res_message softkeytemplate;
911         struct server_res_message serverres;
912         struct reset_message reset;
913         struct set_lamp_message setlamp;
914         struct set_ringer_message setringer;
915         struct call_state_message callstate;
916         struct keypad_button_message keypad;
917         struct select_soft_keys_message selectsoftkey;
918         struct activate_call_plane_message activatecallplane;
919         struct stimulus_message stimulus;
920         struct offhook_message offhook;
921         struct onhook_message onhook;
922         struct set_speaker_message setspeaker;
923         struct set_microphone_message setmicrophone;
924         struct call_info_message callinfo;
925         struct start_media_transmission_message startmedia;
926         struct stop_media_transmission_message stopmedia;
927         struct open_receive_channel_message openreceivechannel;
928         struct open_receive_channel_ack_message openreceivechannelack;
929         struct close_receive_channel_message closereceivechannel;
930         struct display_notify_message displaynotify;
931         struct dialed_number_message dialednumber;
932         struct soft_key_event_message softkeyeventmessage;
933         struct enbloc_call_message enbloccallmessage;
934         struct forward_stat_message forwardstat;
935 };
936
937 /* packet composition */
938 struct skinny_req {
939         int len;
940         int res;
941         int e;
942         union skinny_data data;
943 };
944
945 /* XXX This is the combined size of the variables above.  (len, res, e)
946    If more are added, this MUST change.
947    (sizeof(skinny_req) - sizeof(skinny_data)) DOES NOT WORK on all systems (amd64?). */
948 int skinny_header_size = 12;
949
950 /*****************************
951  * Asterisk specific globals *
952  *****************************/
953
954 static int skinnydebug = 0;
955
956 /* a hostname, portnumber, socket and such is usefull for VoIP protocols */
957 static struct sockaddr_in bindaddr;
958 static char ourhost[256];
959 static int ourport;
960 static struct in_addr __ourip;
961 struct ast_hostent ahp;
962 struct hostent *hp;
963 static int skinnysock = -1;
964 static pthread_t accept_t;
965 static char context[AST_MAX_CONTEXT] = "default";
966 static char language[MAX_LANGUAGE] = "";
967 static char mohinterpret[MAX_MUSICCLASS] = "default";
968 static char mohsuggest[MAX_MUSICCLASS] = "";
969 static char cid_num[AST_MAX_EXTENSION] = "";
970 static char cid_name[AST_MAX_EXTENSION] = "";
971 static char linelabel[AST_MAX_EXTENSION] ="";
972 static char parkinglot[AST_MAX_CONTEXT] ="";
973 static int nat = 0;
974 static ast_group_t cur_callergroup = 0;
975 static ast_group_t cur_pickupgroup = 0;
976 static int immediate = 0;
977 static int callwaiting = 0;
978 static int callreturn = 0;
979 static int threewaycalling = 0;
980 static int mwiblink = 0;
981 /* This is for flashhook transfers */
982 static int transfer = 0;
983 static int cancallforward = 0;
984 /* static int busycount = 3;*/
985 static char accountcode[AST_MAX_ACCOUNT_CODE] = "";
986 static char mailbox[AST_MAX_EXTENSION];
987 static char regexten[AST_MAX_EXTENSION];
988 static int amaflags = 0;
989 static int callnums = 1;
990 static int canreinvite = 0;
991
992 #define SKINNY_DEVICE_UNKNOWN           -1
993 #define SKINNY_DEVICE_NONE              0
994 #define SKINNY_DEVICE_30SPPLUS          1
995 #define SKINNY_DEVICE_12SPPLUS          2
996 #define SKINNY_DEVICE_12SP              3
997 #define SKINNY_DEVICE_12                4
998 #define SKINNY_DEVICE_30VIP             5
999 #define SKINNY_DEVICE_7910              6
1000 #define SKINNY_DEVICE_7960              7
1001 #define SKINNY_DEVICE_7940              8
1002 #define SKINNY_DEVICE_7935              9
1003 #define SKINNY_DEVICE_ATA186            12      /* Cisco ATA-186 */
1004 #define SKINNY_DEVICE_7941              115
1005 #define SKINNY_DEVICE_7971              119
1006 #define SKINNY_DEVICE_7914              124     /* Expansion module */
1007 #define SKINNY_DEVICE_7985              302
1008 #define SKINNY_DEVICE_7911              307
1009 #define SKINNY_DEVICE_7961GE            308
1010 #define SKINNY_DEVICE_7941GE            309
1011 #define SKINNY_DEVICE_7931              348
1012 #define SKINNY_DEVICE_7921              365
1013 #define SKINNY_DEVICE_7906              369
1014 #define SKINNY_DEVICE_7962              404     /* Not found */
1015 #define SKINNY_DEVICE_7937              431
1016 #define SKINNY_DEVICE_7942              434
1017 #define SKINNY_DEVICE_7945              435
1018 #define SKINNY_DEVICE_7965              436
1019 #define SKINNY_DEVICE_7975              437
1020 #define SKINNY_DEVICE_7905              20000
1021 #define SKINNY_DEVICE_7920              30002
1022 #define SKINNY_DEVICE_7970              30006
1023 #define SKINNY_DEVICE_7912              30007
1024 #define SKINNY_DEVICE_7902              30008
1025 #define SKINNY_DEVICE_CIPC              30016   /* Cisco IP Communicator */
1026 #define SKINNY_DEVICE_7961              30018
1027 #define SKINNY_DEVICE_7936              30019
1028 #define SKINNY_DEVICE_SCCPGATEWAY_AN    30027   /* ??? */
1029 #define SKINNY_DEVICE_SCCPGATEWAY_BRI   30028   /* ??? */
1030
1031 #define SKINNY_SPEAKERON 1
1032 #define SKINNY_SPEAKEROFF 2
1033
1034 #define SKINNY_MICON 1
1035 #define SKINNY_MICOFF 2
1036
1037 #define SKINNY_OFFHOOK 1
1038 #define SKINNY_ONHOOK 2
1039 #define SKINNY_RINGOUT 3
1040 #define SKINNY_RINGIN 4
1041 #define SKINNY_CONNECTED 5
1042 #define SKINNY_BUSY 6
1043 #define SKINNY_CONGESTION 7
1044 #define SKINNY_HOLD 8
1045 #define SKINNY_CALLWAIT 9
1046 #define SKINNY_TRANSFER 10
1047 #define SKINNY_PARK 11
1048 #define SKINNY_PROGRESS 12
1049 #define SKINNY_CALLREMOTEMULTILINE 13
1050 #define SKINNY_INVALID 14
1051
1052 #define SKINNY_SILENCE          0x00
1053 #define SKINNY_DIALTONE         0x21
1054 #define SKINNY_BUSYTONE         0x23
1055 #define SKINNY_ALERT            0x24
1056 #define SKINNY_REORDER          0x25
1057 #define SKINNY_CALLWAITTONE     0x2D
1058 #define SKINNY_NOTONE           0x7F
1059
1060 #define SKINNY_LAMP_OFF 1
1061 #define SKINNY_LAMP_ON 2
1062 #define SKINNY_LAMP_WINK 3
1063 #define SKINNY_LAMP_FLASH 4
1064 #define SKINNY_LAMP_BLINK 5
1065
1066 #define SKINNY_RING_OFF 1
1067 #define SKINNY_RING_INSIDE 2
1068 #define SKINNY_RING_OUTSIDE 3
1069 #define SKINNY_RING_FEATURE 4
1070
1071 #define SKINNY_CFWD_ALL       (1 << 0)
1072 #define SKINNY_CFWD_BUSY      (1 << 1)
1073 #define SKINNY_CFWD_NOANSWER  (1 << 2)
1074
1075 #define TYPE_TRUNK 1
1076 #define TYPE_LINE 2
1077
1078 /* Skinny rtp stream modes. Do we really need this? */
1079 #define SKINNY_CX_SENDONLY      0
1080 #define SKINNY_CX_RECVONLY      1
1081 #define SKINNY_CX_SENDRECV      2
1082 #define SKINNY_CX_CONF          3
1083 #define SKINNY_CX_CONFERENCE    3
1084 #define SKINNY_CX_MUTE          4
1085 #define SKINNY_CX_INACTIVE      4
1086
1087 #if 0
1088 static char *skinny_cxmodes[] = {
1089         "sendonly",
1090         "recvonly",
1091         "sendrecv",
1092         "confrnce",
1093         "inactive"
1094 };
1095 #endif
1096
1097 /* driver scheduler */
1098 static struct sched_context *sched = NULL;
1099 static struct io_context *io;
1100
1101 /* Protect the monitoring thread, so only one process can kill or start it, and not
1102    when it's doing something critical. */
1103 AST_MUTEX_DEFINE_STATIC(monlock);
1104 /* Protect the network socket */
1105 AST_MUTEX_DEFINE_STATIC(netlock);
1106 /* Protect the session list */
1107 AST_MUTEX_DEFINE_STATIC(sessionlock);
1108 /* Protect the device list */
1109 AST_MUTEX_DEFINE_STATIC(devicelock);
1110 #if 0
1111 /* Protect the paging device list */
1112 AST_MUTEX_DEFINE_STATIC(pagingdevicelock);
1113 #endif
1114
1115 /* This is the thread for the monitor which checks for input on the channels
1116    which are not currently in use. */
1117 static pthread_t monitor_thread = AST_PTHREADT_NULL;
1118
1119 /* Wait up to 16 seconds for first digit */
1120 static int firstdigittimeout = 16000;
1121
1122 /* How long to wait for following digits */
1123 static int gendigittimeout = 8000;
1124
1125 /* How long to wait for an extra digit, if there is an ambiguous match */
1126 static int matchdigittimeout = 3000;
1127
1128 struct skinny_subchannel {
1129         ast_mutex_t lock;
1130         struct ast_channel *owner;
1131         struct ast_rtp *rtp;
1132         struct ast_rtp *vrtp;
1133         unsigned int callid;
1134         /* time_t lastouttime; */                       /* Unused */
1135         int progress;
1136         int ringing;
1137         int onhold;
1138         /* int lastout; */                              /* Unused */
1139         int cxmode;
1140         int nat;
1141         int outgoing;
1142         int alreadygone;
1143
1144         struct skinny_subchannel *next;
1145         struct skinny_line *parent;
1146 };
1147
1148 struct skinny_line {
1149         ast_mutex_t lock;
1150         char name[80];
1151         char label[24];                                 /* Label that shows next to the line buttons */
1152         char accountcode[AST_MAX_ACCOUNT_CODE];
1153         char exten[AST_MAX_EXTENSION];                  /* Extension where to start */
1154         char context[AST_MAX_CONTEXT];
1155         char language[MAX_LANGUAGE];
1156         char cid_num[AST_MAX_EXTENSION];                /* Caller*ID */
1157         char cid_name[AST_MAX_EXTENSION];               /* Caller*ID */
1158         char lastcallerid[AST_MAX_EXTENSION];           /* Last Caller*ID */
1159         int cfwdtype;
1160         char call_forward_all[AST_MAX_EXTENSION];
1161         char call_forward_busy[AST_MAX_EXTENSION];
1162         char call_forward_noanswer[AST_MAX_EXTENSION];
1163         char mailbox[AST_MAX_EXTENSION];
1164         char vmexten[AST_MAX_EXTENSION];
1165         char regexten[AST_MAX_EXTENSION];               /* Extension for auto-extensions */
1166         char regcontext[AST_MAX_CONTEXT];               /* Context for auto-extensions */
1167         char parkinglot[AST_MAX_CONTEXT];               /* Parkinglot for parkedcalls */
1168         char mohinterpret[MAX_MUSICCLASS];
1169         char mohsuggest[MAX_MUSICCLASS];
1170         char lastnumberdialed[AST_MAX_EXTENSION];       /* Last number that was dialed - used for redial */
1171         int curtone;                                    /* Current tone being played */
1172         ast_group_t callgroup;
1173         ast_group_t pickupgroup;
1174         struct ast_event_sub *mwi_event_sub;            /* Event based MWI */
1175         int callwaiting;
1176         int transfer;
1177         int threewaycalling;
1178         int mwiblink;
1179         int cancallforward;
1180         int getforward;
1181         int callreturn;
1182         int dnd; /* How does this affect callwait?  Do we just deny a skinny_request if we're dnd? */
1183         int hascallerid;
1184         int hidecallerid;
1185         int amaflags;
1186         int type;
1187         int instance;
1188         int group;
1189         int needdestroy;
1190         int capability;
1191         int nonCodecCapability;
1192         int onhooktime;
1193         int msgstate;                                   /* voicemail message state */
1194         int immediate;
1195         int hookstate;
1196         int nat;
1197         int canreinvite;
1198
1199         struct ast_codec_pref prefs;
1200         struct skinny_subchannel *sub;
1201         struct skinny_line *next;
1202         struct skinny_device *parent;
1203         struct ast_variable *chanvars;          /*!< Channel variables to set for inbound call */
1204 };
1205
1206 struct skinny_speeddial {
1207         ast_mutex_t lock;
1208         char label[42];
1209         char context[AST_MAX_CONTEXT];
1210         char exten[AST_MAX_EXTENSION];
1211         int instance;
1212         int stateid;
1213         int laststate;
1214         int isHint;
1215
1216         struct skinny_speeddial *next;
1217         struct skinny_device *parent;
1218 };
1219
1220 struct skinny_addon {
1221         ast_mutex_t lock;
1222         char type[10];
1223
1224         struct skinny_addon *next;
1225         struct skinny_device *parent;
1226 };
1227
1228 static struct skinny_device {
1229         /* A device containing one or more lines */
1230         char name[80];
1231         char id[16];
1232         char version_id[16];
1233         char exten[AST_MAX_EXTENSION];          /* Cruddy variable name, pick a better one */
1234         int type;
1235         int registered;
1236         int lastlineinstance;
1237         int lastcallreference;
1238         int capability;
1239         int earlyrtp;
1240         struct sockaddr_in addr;
1241         struct in_addr ourip;
1242         struct skinny_line *lines;
1243         struct skinny_speeddial *speeddials;
1244         struct skinny_addon *addons;
1245         struct ast_codec_pref prefs;
1246         struct ast_ha *ha;
1247         struct skinnysession *session;
1248         struct skinny_device *next;
1249 } *devices = NULL;
1250
1251 struct skinny_paging_device {
1252         char name[80];
1253         char id[16];
1254         struct skinny_device ** devices;
1255         struct skinny_paging_device *next;
1256 };
1257
1258 static struct skinnysession {
1259         pthread_t t;
1260         ast_mutex_t lock;
1261         struct sockaddr_in sin;
1262         int fd;
1263         char inbuf[SKINNY_MAX_PACKET];
1264         char outbuf[SKINNY_MAX_PACKET];
1265         struct skinny_device *device;
1266         struct skinnysession *next;
1267 } *sessions = NULL;
1268
1269 static struct ast_channel *skinny_request(const char *type, int format, void *data, int *cause);
1270 static int skinny_devicestate(void *data);
1271 static int skinny_call(struct ast_channel *ast, char *dest, int timeout);
1272 static int skinny_hangup(struct ast_channel *ast);
1273 static int skinny_answer(struct ast_channel *ast);
1274 static struct ast_frame *skinny_read(struct ast_channel *ast);
1275 static int skinny_write(struct ast_channel *ast, struct ast_frame *frame);
1276 static int skinny_indicate(struct ast_channel *ast, int ind, const void *data, size_t datalen);
1277 static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
1278 static int skinny_senddigit_begin(struct ast_channel *ast, char digit);
1279 static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration);
1280 static int handle_time_date_req_message(struct skinny_req *req, struct skinnysession *s);
1281
1282 static const struct ast_channel_tech skinny_tech = {
1283         .type = "Skinny",
1284         .description = tdesc,
1285         .capabilities = AST_FORMAT_AUDIO_MASK,
1286         .properties = AST_CHAN_TP_WANTSJITTER | AST_CHAN_TP_CREATESJITTER,
1287         .requester = skinny_request,
1288         .devicestate = skinny_devicestate,
1289         .call = skinny_call,
1290         .hangup = skinny_hangup,
1291         .answer = skinny_answer,
1292         .read = skinny_read,
1293         .write = skinny_write,
1294         .indicate = skinny_indicate,
1295         .fixup = skinny_fixup,
1296         .send_digit_begin = skinny_senddigit_begin,
1297         .send_digit_end = skinny_senddigit_end,
1298         .bridge = ast_rtp_bridge,  
1299 };
1300
1301 static int skinny_extensionstate_cb(char *context, char* exten, int state, void *data);
1302
1303 static void *get_button_template(struct skinnysession *s, struct button_definition_template *btn)
1304 {
1305         struct skinny_device *d = s->device;
1306         struct skinny_addon *a = d->addons;
1307         int i;
1308
1309         switch (d->type) {
1310                 case SKINNY_DEVICE_30SPPLUS:
1311                 case SKINNY_DEVICE_30VIP:
1312                         /* 13 rows, 2 columns */
1313                         for (i = 0; i < 4; i++)
1314                                 (btn++)->buttonDefinition = BT_CUST_LINE;
1315                         (btn++)->buttonDefinition = BT_REDIAL;
1316                         (btn++)->buttonDefinition = BT_VOICEMAIL;
1317                         (btn++)->buttonDefinition = BT_CALLPARK;
1318                         (btn++)->buttonDefinition = BT_FORWARDALL;
1319                         (btn++)->buttonDefinition = BT_CONFERENCE;
1320                         for (i = 0; i < 4; i++)
1321                                 (btn++)->buttonDefinition = BT_NONE;
1322                         for (i = 0; i < 13; i++)
1323                                 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1324                         
1325                         break;
1326                 case SKINNY_DEVICE_12SPPLUS:
1327                 case SKINNY_DEVICE_12SP:
1328                 case SKINNY_DEVICE_12:
1329                         /* 6 rows, 2 columns */
1330                         for (i = 0; i < 2; i++)
1331                                 (btn++)->buttonDefinition = BT_CUST_LINE;
1332                         for (i = 0; i < 4; i++)
1333                                 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1334                         (btn++)->buttonDefinition = BT_HOLD;
1335                         (btn++)->buttonDefinition = BT_REDIAL;
1336                         (btn++)->buttonDefinition = BT_TRANSFER;
1337                         (btn++)->buttonDefinition = BT_FORWARDALL;
1338                         (btn++)->buttonDefinition = BT_CALLPARK;
1339                         (btn++)->buttonDefinition = BT_VOICEMAIL;
1340                         break;
1341                 case SKINNY_DEVICE_7910:
1342                         (btn++)->buttonDefinition = BT_LINE;
1343                         (btn++)->buttonDefinition = BT_HOLD;
1344                         (btn++)->buttonDefinition = BT_TRANSFER;
1345                         (btn++)->buttonDefinition = BT_DISPLAY;
1346                         (btn++)->buttonDefinition = BT_VOICEMAIL;
1347                         (btn++)->buttonDefinition = BT_CONFERENCE;
1348                         (btn++)->buttonDefinition = BT_FORWARDALL;
1349                         for (i = 0; i < 2; i++)
1350                                 (btn++)->buttonDefinition = BT_SPEEDDIAL;
1351                         (btn++)->buttonDefinition = BT_REDIAL;
1352                         break;
1353                 case SKINNY_DEVICE_7960:
1354                 case SKINNY_DEVICE_7961:
1355                 case SKINNY_DEVICE_7961GE:
1356                 case SKINNY_DEVICE_7962:
1357                 case SKINNY_DEVICE_7965:
1358                         for (i = 0; i < 6; i++)
1359                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1360                         break;
1361                 case SKINNY_DEVICE_7940:
1362                 case SKINNY_DEVICE_7941:
1363                 case SKINNY_DEVICE_7941GE:
1364                 case SKINNY_DEVICE_7942:
1365                 case SKINNY_DEVICE_7945:
1366                         for (i = 0; i < 2; i++)
1367                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1368                         break;
1369                 case SKINNY_DEVICE_7935:
1370                 case SKINNY_DEVICE_7936:
1371                         for (i = 0; i < 2; i++)
1372                                 (btn++)->buttonDefinition = BT_LINE;
1373                         break;
1374                 case SKINNY_DEVICE_ATA186:
1375                         (btn++)->buttonDefinition = BT_LINE;
1376                         break;
1377                 case SKINNY_DEVICE_7970:
1378                 case SKINNY_DEVICE_7971:
1379                 case SKINNY_DEVICE_7975:
1380                 case SKINNY_DEVICE_CIPC:
1381                         for (i = 0; i < 8; i++)
1382                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1383                         break;
1384                 case SKINNY_DEVICE_7985:
1385                         /* XXX I have no idea what the buttons look like on these. */
1386                         ast_log(LOG_WARNING, "Unsupported device type '%d (7985)' found.\n", d->type);
1387                         break;
1388                 case SKINNY_DEVICE_7912:
1389                 case SKINNY_DEVICE_7911:
1390                 case SKINNY_DEVICE_7905:
1391                         (btn++)->buttonDefinition = BT_LINE;
1392                         (btn++)->buttonDefinition = BT_HOLD;
1393                         break;
1394                 case SKINNY_DEVICE_7920:
1395                         /* XXX I don't know if this is right. */
1396                         for (i = 0; i < 4; i++)
1397                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1398                         break;
1399                 case SKINNY_DEVICE_7921:
1400                         for (i = 0; i < 6; i++)
1401                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1402                         break;
1403                 case SKINNY_DEVICE_7902:
1404                         ast_log(LOG_WARNING, "Unsupported device type '%d (7902)' found.\n", d->type);
1405                         break;
1406                 case SKINNY_DEVICE_7906:
1407                         ast_log(LOG_WARNING, "Unsupported device type '%d (7906)' found.\n", d->type);
1408                         break;
1409                 case SKINNY_DEVICE_7931:
1410                         ast_log(LOG_WARNING, "Unsupported device type '%d (7931)' found.\n", d->type);
1411                         break;
1412                 case SKINNY_DEVICE_7937:
1413                         ast_log(LOG_WARNING, "Unsupported device type '%d (7937)' found.\n", d->type);
1414                         break;
1415                 case SKINNY_DEVICE_7914:
1416                         ast_log(LOG_WARNING, "Unsupported device type '%d (7914)' found.  Expansion module registered by itself?\n", d->type);
1417                         break;
1418                 case SKINNY_DEVICE_SCCPGATEWAY_AN:
1419                 case SKINNY_DEVICE_SCCPGATEWAY_BRI:
1420                         ast_log(LOG_WARNING, "Unsupported device type '%d (SCCP gateway)' found.\n", d->type);
1421                         break;
1422                 default:
1423                         ast_log(LOG_WARNING, "Unknown device type '%d' found.\n", d->type);
1424                         break;
1425         }
1426
1427         for (a = d->addons; a; a = a->next) {
1428                 if (!strcasecmp(a->type, "7914")) {
1429                         for (i = 0; i < 14; i++)
1430                                 (btn++)->buttonDefinition = BT_CUST_LINESPEEDDIAL;
1431                 } else {
1432                         ast_log(LOG_WARNING, "Unknown addon type '%s' found.  Skipping.\n", a->type);
1433                 }
1434         }
1435
1436         return btn;
1437 }
1438
1439 static struct skinny_req *req_alloc(size_t size, int response_message)
1440 {
1441         struct skinny_req *req;
1442
1443         if (!(req = ast_calloc(1, skinny_header_size + size + 4)))
1444                 return NULL;
1445
1446         req->len = htolel(size+4);
1447         req->e = htolel(response_message);
1448
1449         return req;
1450 }
1451
1452 static struct skinny_line *find_line_by_instance(struct skinny_device *d, int instance)
1453 {
1454         struct skinny_line *l;
1455
1456         /*Dialing from on hook or on a 7920 uses instance 0 in requests
1457           but we need to start looking at instance 1 */
1458
1459         if (!instance)
1460                 instance = 1;
1461
1462         for (l = d->lines; l; l = l->next) {
1463                 if (l->instance == instance)
1464                         break;
1465         }
1466
1467         if (!l) {
1468                 ast_log(LOG_WARNING, "Could not find line with instance '%d' on device '%s'\n", instance, d->name);
1469         }
1470         return l;
1471 }
1472
1473 static struct skinny_line *find_line_by_name(const char *dest)
1474 {
1475         struct skinny_line *l;
1476         struct skinny_line *tmpl = NULL;
1477         struct skinny_device *d;
1478         char line[256];
1479         char *at;
1480         char *device;
1481         int checkdevice = 0;
1482
1483         ast_copy_string(line, dest, sizeof(line));
1484         at = strchr(line, '@');
1485         if (at)
1486                 *at++ = '\0';
1487         device = at;
1488
1489         if (!ast_strlen_zero(device))
1490                 checkdevice = 1;
1491
1492         ast_mutex_lock(&devicelock);
1493         for (d = devices; d; d = d->next) {
1494                 if (checkdevice && tmpl)
1495                         break;
1496                 else if (!checkdevice) {
1497                         /* This is a match, since we're checking for line on every device. */
1498                 } else if (!strcasecmp(d->name, device)) {
1499                         if (skinnydebug)
1500                                 ast_verb(2, "Found device: %s\n", d->name);
1501                 } else
1502                         continue;
1503
1504                 /* Found the device (or we don't care which device) */
1505                 for (l = d->lines; l; l = l->next) {
1506                         /* Search for the right line */
1507                         if (!strcasecmp(l->name, line)) {
1508                                 if (tmpl) {
1509                                         ast_verb(2, "Ambiguous line name: %s\n", line);
1510                                         ast_mutex_unlock(&devicelock);
1511                                         return NULL;
1512                                 } else
1513                                         tmpl = l;
1514                         }
1515                 }
1516         }
1517         ast_mutex_unlock(&devicelock);
1518         return tmpl;
1519 }
1520
1521 /*!
1522  * implement the setvar config line
1523  */
1524 static struct ast_variable *add_var(const char *buf, struct ast_variable *list)
1525 {
1526         struct ast_variable *tmpvar = NULL;
1527         char *varname = ast_strdupa(buf), *varval = NULL;
1528
1529         if ((varval = strchr(varname,'='))) {
1530                 *varval++ = '\0';
1531                 if ((tmpvar = ast_variable_new(varname, varval, ""))) {
1532                         tmpvar->next = list;
1533                         list = tmpvar;
1534                 }
1535         }
1536         return list;
1537 }
1538
1539 /* It's quicker/easier to find the subchannel when we know the instance number too */
1540 static struct skinny_subchannel *find_subchannel_by_instance_reference(struct skinny_device *d, int instance, int reference)
1541 {
1542         struct skinny_line *l = find_line_by_instance(d, instance);
1543         struct skinny_subchannel *sub;
1544
1545         if (!l) {
1546                 return NULL;
1547         }
1548
1549         /* 7920 phones set call reference to 0, so use the first
1550            sub-channel on the list.
1551            This MIGHT need more love to be right */
1552         if (!reference)
1553                 sub = l->sub;
1554         else {
1555                 for (sub = l->sub; sub; sub = sub->next) {
1556                         if (sub->callid == reference)
1557                                 break;
1558                 }
1559         }
1560         if (!sub) {
1561                 ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s'\n", reference, d->name);
1562         }
1563         return sub;
1564 }
1565
1566 /* Find the subchannel when we only have the callid - this shouldn't happen often */
1567 static struct skinny_subchannel *find_subchannel_by_reference(struct skinny_device *d, int reference)
1568 {
1569         struct skinny_line *l;
1570         struct skinny_subchannel *sub = NULL;
1571
1572         for (l = d->lines; l; l = l->next) {
1573                 for (sub = l->sub; sub; sub = sub->next) {
1574                         if (sub->callid == reference)
1575                                 break;
1576                 }
1577                 if (sub)
1578                         break;
1579         }
1580
1581         if (!l) {
1582                 ast_log(LOG_WARNING, "Could not find any lines that contained a subchannel with reference '%d' on device '%s'\n", reference, d->name);
1583         } else {
1584                 if (!sub) {
1585                         ast_log(LOG_WARNING, "Could not find subchannel with reference '%d' on '%s@%s'\n", reference, l->name, d->name);
1586                 }
1587         }
1588         return sub;
1589 }
1590
1591 static struct skinny_speeddial *find_speeddial_by_instance(struct skinny_device *d, int instance, int isHint)
1592 {
1593         struct skinny_speeddial *sd;
1594
1595         for (sd = d->speeddials; sd; sd = sd->next) {
1596                 if (sd->isHint == isHint && sd->instance == instance)
1597                         break;
1598         }
1599
1600         if (!sd) {
1601                 ast_log(LOG_WARNING, "Could not find speeddial with instance '%d' on device '%s'\n", instance, d->name);
1602         }
1603         return sd;
1604 }
1605
1606 static int codec_skinny2ast(enum skinny_codecs skinnycodec)
1607 {
1608         switch (skinnycodec) {
1609         case SKINNY_CODEC_ALAW:
1610                 return AST_FORMAT_ALAW;
1611         case SKINNY_CODEC_ULAW:
1612                 return AST_FORMAT_ULAW;
1613         case SKINNY_CODEC_G723_1:
1614                 return AST_FORMAT_G723_1;
1615         case SKINNY_CODEC_G729A:
1616                 return AST_FORMAT_G729A;
1617         case SKINNY_CODEC_G726_32:
1618                 return AST_FORMAT_G726_AAL2; /* XXX Is this right? */
1619         case SKINNY_CODEC_H261:
1620                 return AST_FORMAT_H261;
1621         case SKINNY_CODEC_H263:
1622                 return AST_FORMAT_H263;
1623         default:
1624                 return 0;
1625         }
1626 }
1627
1628 static int codec_ast2skinny(int astcodec)
1629 {
1630         switch (astcodec) {
1631         case AST_FORMAT_ALAW:
1632                 return SKINNY_CODEC_ALAW;
1633         case AST_FORMAT_ULAW:
1634                 return SKINNY_CODEC_ULAW;
1635         case AST_FORMAT_G723_1:
1636                 return SKINNY_CODEC_G723_1;
1637         case AST_FORMAT_G729A:
1638                 return SKINNY_CODEC_G729A;
1639         case AST_FORMAT_G726_AAL2: /* XXX Is this right? */
1640                 return SKINNY_CODEC_G726_32;
1641         case AST_FORMAT_H261:
1642                 return SKINNY_CODEC_H261;
1643         case AST_FORMAT_H263:
1644                 return SKINNY_CODEC_H263;
1645         default:
1646                 return 0;
1647         }
1648 }
1649
1650 static int set_callforwards(struct skinny_line *l, const char *cfwd, int cfwdtype)
1651 {
1652         if (!l)
1653                 return 0;
1654
1655         if (!ast_strlen_zero(cfwd)) {
1656                 if (cfwdtype & SKINNY_CFWD_ALL) {
1657                         l->cfwdtype |= SKINNY_CFWD_ALL;
1658                         ast_copy_string(l->call_forward_all, cfwd, sizeof(l->call_forward_all));
1659                 }
1660                 if (cfwdtype & SKINNY_CFWD_BUSY) {
1661                         l->cfwdtype |= SKINNY_CFWD_BUSY;
1662                         ast_copy_string(l->call_forward_busy, cfwd, sizeof(l->call_forward_busy));
1663                 }
1664                 if (cfwdtype & SKINNY_CFWD_NOANSWER) {
1665                         l->cfwdtype |= SKINNY_CFWD_NOANSWER;
1666                         ast_copy_string(l->call_forward_noanswer, cfwd, sizeof(l->call_forward_noanswer));
1667                 }
1668         } else {
1669                 if (cfwdtype & SKINNY_CFWD_ALL) {
1670                         l->cfwdtype &= ~SKINNY_CFWD_ALL;
1671                         memset(l->call_forward_all, 0, sizeof(l->call_forward_all));
1672                 }
1673                 if (cfwdtype & SKINNY_CFWD_BUSY) {
1674                         l->cfwdtype &= ~SKINNY_CFWD_BUSY;
1675                         memset(l->call_forward_busy, 0, sizeof(l->call_forward_busy));
1676                 }
1677                 if (cfwdtype & SKINNY_CFWD_NOANSWER) {
1678                         l->cfwdtype &= ~SKINNY_CFWD_NOANSWER;
1679                         memset(l->call_forward_noanswer, 0, sizeof(l->call_forward_noanswer));
1680                 }
1681         }
1682         return l->cfwdtype;
1683 }
1684
1685 static void cleanup_stale_contexts(char *new, char *old)
1686 {
1687         char *oldcontext, *newcontext, *stalecontext, *stringp, newlist[AST_MAX_CONTEXT];
1688
1689         while ((oldcontext = strsep(&old, "&"))) {
1690                 stalecontext = '\0';
1691                 ast_copy_string(newlist, new, sizeof(newlist));
1692                 stringp = newlist;
1693                 while ((newcontext = strsep(&stringp, "&"))) {
1694                         if (strcmp(newcontext, oldcontext) == 0) {
1695                                 /* This is not the context you're looking for */
1696                                 stalecontext = '\0';
1697                                 break;
1698                         } else if (strcmp(newcontext, oldcontext)) {
1699                                 stalecontext = oldcontext;
1700                         }
1701                         
1702                 }
1703                 if (stalecontext)
1704                         ast_context_destroy(ast_context_find(stalecontext), "Skinny");
1705         }
1706 }
1707
1708 static void register_exten(struct skinny_line *l)
1709 {
1710         char multi[256];
1711         char *stringp, *ext, *context;
1712
1713         if (ast_strlen_zero(regcontext))
1714                 return;
1715
1716         ast_copy_string(multi, S_OR(l->regexten, l->name), sizeof(multi));
1717         stringp = multi;
1718         while ((ext = strsep(&stringp, "&"))) {
1719                 if ((context = strchr(ext, '@'))) {
1720                         *context++ = '\0';      /* split ext@context */
1721                         if (!ast_context_find(context)) {
1722                                 ast_log(LOG_WARNING, "Context %s must exist in regcontext= in skinny.conf!\n", context);
1723                                 continue;
1724                         }
1725                 } else {
1726                         context = regcontext;
1727                 }
1728                 ast_add_extension(context, 1, ext, 1, NULL, NULL, "Noop",
1729                          ast_strdup(l->name), ast_free_ptr, "Skinny");
1730         }
1731 }
1732
1733 static void unregister_exten(struct skinny_line *l)
1734 {
1735         char multi[256];
1736         char *stringp, *ext, *context;
1737
1738         if (ast_strlen_zero(regcontext))
1739                 return;
1740
1741         ast_copy_string(multi, S_OR(l->regexten, l->name), sizeof(multi));
1742         stringp = multi;
1743         while ((ext = strsep(&stringp, "&"))) {
1744                 if ((context = strchr(ext, '@'))) {
1745                         *context++ = '\0';      /* split ext@context */
1746                         if (!ast_context_find(context)) {
1747                                 ast_log(LOG_WARNING, "Context %s must exist in regcontext= in skinny.conf!\n", context);
1748                                 continue;
1749                         }
1750                 } else {
1751                         context = regcontext;
1752                 }
1753                 ast_context_remove_extension(context, ext, 1, NULL);
1754         }
1755 }
1756
1757 static int skinny_register(struct skinny_req *req, struct skinnysession *s)
1758 {
1759         struct skinny_device *d;
1760         struct skinny_line *l;
1761         struct skinny_speeddial *sd;
1762         struct sockaddr_in sin;
1763         socklen_t slen;
1764
1765         ast_mutex_lock(&devicelock);
1766         for (d = devices; d; d = d->next) {
1767                 if (!strcasecmp(req->data.reg.name, d->id)
1768                                 && ast_apply_ha(d->ha, &(s->sin))) {
1769                         s->device = d;
1770                         d->type = letohl(req->data.reg.type);
1771                         if (ast_strlen_zero(d->version_id)) {
1772                                 ast_copy_string(d->version_id, version_id, sizeof(d->version_id));
1773                         }
1774                         d->registered = 1;
1775                         d->session = s;
1776
1777                         slen = sizeof(sin);
1778                         if (getsockname(s->fd, (struct sockaddr *)&sin, &slen)) {
1779                                 ast_log(LOG_WARNING, "Cannot get socket name\n");
1780                                 sin.sin_addr = __ourip;
1781                         }
1782                         d->ourip = sin.sin_addr;
1783
1784                         for (sd = d->speeddials; sd; sd = sd->next) {
1785                                 sd->stateid = ast_extension_state_add(sd->context, sd->exten, skinny_extensionstate_cb, sd);
1786                         }
1787                         for (l = d->lines; l; l = l->next) {
1788                                 register_exten(l);
1789                                 ast_device_state_changed("Skinny/%s@%s", l->name, d->name);
1790                         }
1791                         break;
1792                 }
1793         }
1794         ast_mutex_unlock(&devicelock);
1795         if (!d) {
1796                 return 0;
1797         }
1798         return 1;
1799 }
1800
1801 static int skinny_unregister(struct skinny_req *req, struct skinnysession *s)
1802 {
1803         struct skinny_device *d;
1804         struct skinny_line *l;
1805         struct skinny_speeddial *sd;
1806
1807         d = s->device;
1808
1809         if (d) {
1810                 d->session = NULL;
1811                 d->registered = 0;
1812
1813                 for (sd = d->speeddials; sd; sd = sd->next) {
1814                         if (sd->stateid > -1)
1815                                 ast_extension_state_del(sd->stateid, NULL);
1816                 }
1817                 for (l = d->lines; l; l = l->next) {
1818                         unregister_exten(l);
1819                         ast_device_state_changed("Skinny/%s@%s", l->name, d->name);
1820                 }
1821         }
1822
1823         return -1; /* main loop will destroy the session */
1824 }
1825
1826 static int transmit_response(struct skinnysession *s, struct skinny_req *req)
1827 {
1828         int res = 0;
1829
1830         if (!s) {
1831                 ast_log(LOG_WARNING, "Asked to transmit to a non-existent session!\n");
1832                 return -1;
1833         }
1834
1835         ast_mutex_lock(&s->lock);
1836
1837         if (skinnydebug)
1838                 ast_log(LOG_VERBOSE, "writing packet type %04X (%d bytes) to socket %d\n", letohl(req->e), letohl(req->len)+8, s->fd);
1839
1840         if (letohl(req->len > SKINNY_MAX_PACKET) || letohl(req->len < 0)) {
1841                 ast_log(LOG_WARNING, "transmit_response: the length of the request is out of bounds\n");
1842                 return -1;
1843         }
1844
1845         memset(s->outbuf,0,sizeof(s->outbuf));
1846         memcpy(s->outbuf, req, skinny_header_size);
1847         memcpy(s->outbuf+skinny_header_size, &req->data, letohl(req->len));
1848
1849         res = write(s->fd, s->outbuf, letohl(req->len)+8);
1850
1851         if (res != letohl(req->len)+8) {
1852                 ast_log(LOG_WARNING, "Transmit: write only sent %d out of %d bytes: %s\n", res, letohl(req->len)+8, strerror(errno));
1853                 if (res == -1) {
1854                         if (skinnydebug)
1855                                 ast_log(LOG_WARNING, "Transmit: Skinny Client was lost, unregistering\n");
1856                         skinny_unregister(NULL, s);
1857                 }
1858                 
1859         }
1860         
1861         ast_mutex_unlock(&s->lock);
1862         return 1;
1863 }
1864
1865 static void transmit_speaker_mode(struct skinnysession *s, int mode)
1866 {
1867         struct skinny_req *req;
1868
1869         if (!(req = req_alloc(sizeof(struct set_speaker_message), SET_SPEAKER_MESSAGE)))
1870                 return;
1871
1872         req->data.setspeaker.mode = htolel(mode);
1873         transmit_response(s, req);
1874 }
1875 /*
1876 static void transmit_microphone_mode(struct skinnysession *s, int mode)
1877 {
1878         struct skinny_req *req;
1879
1880         if (!(req = req_alloc(sizeof(struct set_microphone_message), SET_MICROPHONE_MESSAGE)))
1881                 return;
1882
1883         req->data.setmicrophone.mode = htolel(mode);
1884         transmit_response(s, req);
1885 }
1886 */
1887
1888 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)
1889 {
1890         struct skinny_req *req;
1891
1892         if (!(req = req_alloc(sizeof(struct call_info_message), CALL_INFO_MESSAGE)))
1893                 return;
1894
1895         if (skinnydebug)
1896                         ast_verb(1, "Setting Callinfo to %s(%s) from %s(%s) on %s(%d)\n", fromname, fromnum, toname, tonum, s->device->name, instance);
1897
1898         if (fromname) {
1899                 ast_copy_string(req->data.callinfo.callingPartyName, fromname, sizeof(req->data.callinfo.callingPartyName));
1900         }
1901         if (fromnum) {
1902                 ast_copy_string(req->data.callinfo.callingParty, fromnum, sizeof(req->data.callinfo.callingParty));
1903         }
1904         if (toname) {
1905                 ast_copy_string(req->data.callinfo.calledPartyName, toname, sizeof(req->data.callinfo.calledPartyName));
1906         }
1907         if (tonum) {
1908                 ast_copy_string(req->data.callinfo.calledParty, tonum, sizeof(req->data.callinfo.calledParty));
1909         }
1910         req->data.callinfo.instance = htolel(instance);
1911         req->data.callinfo.reference = htolel(callid);
1912         req->data.callinfo.type = htolel(calltype);
1913         transmit_response(s, req);
1914 }
1915
1916 static void transmit_connect(struct skinnysession *s, struct skinny_subchannel *sub)
1917 {
1918         struct skinny_req *req;
1919         struct skinny_line *l = sub->parent;
1920         struct ast_format_list fmt;
1921
1922         if (!(req = req_alloc(sizeof(struct open_receive_channel_message), OPEN_RECEIVE_CHANNEL_MESSAGE)))
1923                 return;
1924
1925         fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
1926
1927         req->data.openreceivechannel.conferenceId = htolel(sub->callid);
1928         req->data.openreceivechannel.partyId = htolel(sub->callid);
1929         req->data.openreceivechannel.packets = htolel(fmt.cur_ms);
1930         req->data.openreceivechannel.capability = htolel(codec_ast2skinny(fmt.bits));
1931         req->data.openreceivechannel.echo = htolel(0);
1932         req->data.openreceivechannel.bitrate = htolel(0);
1933         transmit_response(s, req);
1934 }
1935
1936 static void transmit_tone(struct skinnysession *s, int tone, int instance, int reference)
1937 {
1938         struct skinny_req *req;
1939
1940         if (tone == SKINNY_NOTONE) {
1941                 /* This is bad, mmm'kay? */
1942                 return;
1943         }
1944
1945         if (tone > 0) {
1946                 if (!(req = req_alloc(sizeof(struct start_tone_message), START_TONE_MESSAGE)))
1947                         return;
1948                 req->data.starttone.tone = htolel(tone);
1949                 req->data.starttone.instance = htolel(instance);
1950                 req->data.starttone.reference = htolel(reference);
1951         } else {
1952                 if (!(req = req_alloc(sizeof(struct stop_tone_message), STOP_TONE_MESSAGE)))
1953                         return;
1954                 req->data.stoptone.instance = htolel(instance);
1955                 req->data.stoptone.reference = htolel(reference);
1956         }
1957
1958         if (tone > 0) {
1959                 req->data.starttone.tone = htolel(tone);
1960         }
1961         transmit_response(s, req);
1962 }
1963
1964 static void transmit_selectsoftkeys(struct skinnysession *s, int instance, int callid, int softkey)
1965 {
1966         struct skinny_req *req;
1967
1968         if (!(req = req_alloc(sizeof(struct select_soft_keys_message), SELECT_SOFT_KEYS_MESSAGE)))
1969                 return;
1970
1971         req->data.selectsoftkey.instance = htolel(instance);
1972         req->data.selectsoftkey.reference = htolel(callid);
1973         req->data.selectsoftkey.softKeySetIndex = htolel(softkey);
1974         req->data.selectsoftkey.validKeyMask = htolel(0xFFFFFFFF);
1975         transmit_response(s, req);
1976 }
1977
1978 static void transmit_lamp_indication(struct skinnysession *s, int stimulus, int instance, int indication)
1979 {
1980         struct skinny_req *req;
1981
1982         if (!(req = req_alloc(sizeof(struct set_lamp_message), SET_LAMP_MESSAGE)))
1983                 return;
1984
1985         req->data.setlamp.stimulus = htolel(stimulus);
1986         req->data.setlamp.stimulusInstance = htolel(instance);
1987         req->data.setlamp.deviceStimulus = htolel(indication);
1988         transmit_response(s, req);
1989 }
1990
1991 static void transmit_ringer_mode(struct skinnysession *s, int mode)
1992 {
1993         struct skinny_req *req;
1994
1995         if (skinnydebug)
1996                 ast_verb(1, "Setting ringer mode to '%d'.\n", mode);
1997
1998         if (!(req = req_alloc(sizeof(struct set_ringer_message), SET_RINGER_MESSAGE)))
1999                 return;
2000
2001         req->data.setringer.ringerMode = htolel(mode);
2002         /* XXX okay, I don't quite know what this is, but here's what happens (on a 7960).
2003            Note: The phone will always show as ringing on the display.
2004
2005            1: phone will audibly ring over and over
2006            2: phone will audibly ring only once
2007            any other value, will NOT cause the phone to audibly ring
2008         */
2009         req->data.setringer.unknown1 = htolel(1);
2010         /* XXX the value here doesn't seem to change anything.  Must be higher than 0.
2011            Perhaps a packet capture can shed some light on this. */
2012         req->data.setringer.unknown2 = htolel(1);
2013         transmit_response(s, req);
2014 }
2015
2016 static void transmit_displaymessage(struct skinnysession *s, const char *text, int instance, int reference)
2017 {
2018         struct skinny_req *req;
2019
2020         if (text == 0) {
2021                 if (!(req = req_alloc(0, CLEAR_DISPLAY_MESSAGE)))
2022                         return;
2023
2024                 req->data.clearpromptstatus.lineInstance = instance;
2025                 req->data.clearpromptstatus.callReference = reference;
2026
2027                 if (skinnydebug)
2028                         ast_verb(1, "Clearing Display\n");
2029         } else {
2030                 if (!(req = req_alloc(sizeof(struct displaytext_message), DISPLAYTEXT_MESSAGE)))
2031                         return;
2032
2033                 ast_copy_string(req->data.displaytext.text, text, sizeof(req->data.displaytext.text));
2034                 if (skinnydebug)
2035                         ast_verb(1, "Displaying message '%s'\n", req->data.displaytext.text);
2036         }
2037
2038         transmit_response(s, req);
2039 }
2040
2041 static void transmit_displaynotify(struct skinnysession *s, const char *text, int t)
2042 {
2043         struct skinny_req *req;
2044
2045         if (!(req = req_alloc(sizeof(struct display_notify_message), DISPLAY_NOTIFY_MESSAGE)))
2046                 return;
2047
2048         ast_copy_string(req->data.displaynotify.displayMessage, text, sizeof(req->data.displaynotify.displayMessage));
2049         req->data.displaynotify.displayTimeout = htolel(t);
2050
2051         if (skinnydebug)
2052                 ast_verb(1, "Displaying notify '%s'\n", text);
2053
2054         transmit_response(s, req);
2055 }
2056
2057 static void transmit_displaypromptstatus(struct skinnysession *s, const char *text, int t, int instance, int callid)
2058 {
2059         struct skinny_req *req;
2060
2061         if (text == 0) {
2062                 if (!(req = req_alloc(sizeof(struct clear_prompt_message), CLEAR_PROMPT_MESSAGE)))
2063                         return;
2064
2065                 req->data.clearpromptstatus.lineInstance = htolel(instance);
2066                 req->data.clearpromptstatus.callReference = htolel(callid);
2067
2068                 if (skinnydebug)
2069                         ast_verb(1, "Clearing Prompt\n");
2070         } else {
2071                 if (!(req = req_alloc(sizeof(struct display_prompt_status_message), DISPLAY_PROMPT_STATUS_MESSAGE)))
2072                         return;
2073
2074                 ast_copy_string(req->data.displaypromptstatus.promptMessage, text, sizeof(req->data.displaypromptstatus.promptMessage));
2075                 req->data.displaypromptstatus.messageTimeout = htolel(t);
2076                 req->data.displaypromptstatus.lineInstance = htolel(instance);
2077                 req->data.displaypromptstatus.callReference = htolel(callid);
2078
2079                 if (skinnydebug)
2080                         ast_verb(1, "Displaying Prompt Status '%s'\n", text);
2081         }
2082
2083         transmit_response(s, req);
2084 }
2085
2086 static void transmit_dialednumber(struct skinnysession *s, const char *text, int instance, int callid)
2087 {
2088         struct skinny_req *req;
2089
2090         if (!(req = req_alloc(sizeof(struct dialed_number_message), DIALED_NUMBER_MESSAGE)))
2091                 return;
2092
2093         ast_copy_string(req->data.dialednumber.dialedNumber, text, sizeof(req->data.dialednumber.dialedNumber));
2094         req->data.dialednumber.lineInstance = htolel(instance);
2095         req->data.dialednumber.callReference = htolel(callid);
2096
2097         transmit_response(s, req);
2098 }
2099
2100 static void transmit_callstate(struct skinnysession *s, int instance, int state, unsigned callid)
2101 {
2102         struct skinny_req *req;
2103
2104         if (state == SKINNY_ONHOOK) {
2105                 if (!(req = req_alloc(sizeof(struct close_receive_channel_message), CLOSE_RECEIVE_CHANNEL_MESSAGE)))
2106                         return;
2107
2108                 req->data.closereceivechannel.conferenceId = htolel(callid);
2109                 req->data.closereceivechannel.partyId = htolel(callid);
2110                 transmit_response(s, req);
2111
2112                 if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
2113                         return;
2114
2115                 req->data.stopmedia.conferenceId = htolel(callid);
2116                 req->data.stopmedia.passThruPartyId = htolel(callid);
2117                 transmit_response(s, req);
2118
2119                 transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
2120
2121                 transmit_displaypromptstatus(s, NULL, 0, instance, callid);
2122         }
2123
2124         if (!(req = req_alloc(sizeof(struct call_state_message), CALL_STATE_MESSAGE)))
2125                 return;
2126
2127         req->data.callstate.callState = htolel(state);
2128         req->data.callstate.lineInstance = htolel(instance);
2129         req->data.callstate.callReference = htolel(callid);
2130         transmit_response(s, req);
2131
2132         if (state == SKINNY_ONHOOK) {
2133                 transmit_selectsoftkeys(s, 0, 0, KEYDEF_ONHOOK);
2134         }
2135
2136         if (state == SKINNY_OFFHOOK || state == SKINNY_ONHOOK) {
2137                 if (!(req = req_alloc(sizeof(struct activate_call_plane_message), ACTIVATE_CALL_PLANE_MESSAGE)))
2138                         return;
2139
2140                 req->data.activatecallplane.lineInstance = htolel(instance);
2141                 transmit_response(s, req);
2142         }
2143 }
2144
2145
2146 static void transmit_cfwdstate(struct skinnysession *s, struct skinny_line *l)
2147 {
2148         struct skinny_req *req;
2149         int anyon = 0;
2150
2151         if (!(req = req_alloc(sizeof(struct forward_stat_message), FORWARD_STAT_MESSAGE)))
2152                 return;
2153
2154         if (l->cfwdtype & SKINNY_CFWD_ALL) {
2155                 if (!ast_strlen_zero(l->call_forward_all)) {
2156                         ast_copy_string(req->data.forwardstat.fwdallnum, l->call_forward_all, sizeof(req->data.forwardstat.fwdallnum));
2157                         req->data.forwardstat.fwdall = htolel(1);
2158                         anyon++;
2159                 } else {
2160                         req->data.forwardstat.fwdall = htolel(0);
2161                 }
2162         }
2163         if (l->cfwdtype & SKINNY_CFWD_BUSY) {
2164                 if (!ast_strlen_zero(l->call_forward_busy)) {
2165                         ast_copy_string(req->data.forwardstat.fwdbusynum, l->call_forward_busy, sizeof(req->data.forwardstat.fwdbusynum));
2166                         req->data.forwardstat.fwdbusy = htolel(1);
2167                         anyon++;
2168                 } else {
2169                         req->data.forwardstat.fwdbusy = htolel(0);
2170                 }
2171         }
2172         if (l->cfwdtype & SKINNY_CFWD_NOANSWER) {
2173                 if (!ast_strlen_zero(l->call_forward_noanswer)) {
2174                         ast_copy_string(req->data.forwardstat.fwdnoanswernum, l->call_forward_noanswer, sizeof(req->data.forwardstat.fwdnoanswernum));
2175                         req->data.forwardstat.fwdnoanswer = htolel(1);
2176                         anyon++;
2177                 } else {
2178                         req->data.forwardstat.fwdnoanswer = htolel(0);
2179                 }
2180         }
2181         req->data.forwardstat.lineNumber = htolel(l->instance);
2182         if (anyon)
2183                 req->data.forwardstat.activeforward = htolel(7);
2184         else
2185                 req->data.forwardstat.activeforward = htolel(0);
2186
2187         transmit_response(s, req);
2188 }
2189
2190 static int skinny_extensionstate_cb(char *context, char *exten, int state, void *data)
2191 {
2192         struct skinny_speeddial *sd = data;
2193         struct skinny_device *d = sd->parent;
2194         struct skinnysession *s = d->session;
2195         char hint[AST_MAX_EXTENSION];
2196         int callstate = SKINNY_CALLREMOTEMULTILINE;
2197         int lamp = SKINNY_LAMP_OFF;
2198
2199         switch (state) {
2200         case AST_EXTENSION_DEACTIVATED: /* Retry after a while */
2201         case AST_EXTENSION_REMOVED:     /* Extension is gone */
2202                 ast_verb(2, "Extension state: Watcher for hint %s %s. Notify Device %s\n", exten, state == AST_EXTENSION_DEACTIVATED ? "deactivated" : "removed", d->name);
2203                 sd->stateid = -1;
2204                 callstate = SKINNY_ONHOOK;
2205                 lamp = SKINNY_LAMP_OFF;
2206                 break;
2207         case AST_EXTENSION_RINGING:
2208         case AST_EXTENSION_UNAVAILABLE:
2209                 callstate = SKINNY_RINGIN;
2210                 lamp = SKINNY_LAMP_BLINK;
2211                 break;
2212         case AST_EXTENSION_BUSY: /* callstate = SKINNY_BUSY wasn't wanting to work - I'll settle for this */
2213         case AST_EXTENSION_INUSE:
2214                 callstate = SKINNY_CALLREMOTEMULTILINE;
2215                 lamp = SKINNY_LAMP_ON;
2216                 break;
2217         case AST_EXTENSION_ONHOLD:
2218                 callstate = SKINNY_HOLD;
2219                 lamp = SKINNY_LAMP_WINK;
2220                 break;
2221         case AST_EXTENSION_NOT_INUSE:
2222         default:
2223                 callstate = SKINNY_ONHOOK;
2224                 lamp = SKINNY_LAMP_OFF;
2225                 break;
2226         }
2227
2228         if (ast_get_hint(hint, sizeof(hint), NULL, 0, NULL, sd->context, sd->exten)) {
2229                 /* If they are not registered, we will override notification and show no availability */
2230                 if (ast_device_state(hint) == AST_DEVICE_UNAVAILABLE) {
2231                         callstate = SKINNY_ONHOOK;
2232                         lamp = SKINNY_LAMP_FLASH;
2233                 }
2234         }
2235
2236         transmit_lamp_indication(s, STIMULUS_LINE, sd->instance, lamp);
2237         transmit_callstate(s, sd->instance, callstate, 0);
2238         sd->laststate = state;
2239
2240         return 0;
2241 }
2242
2243 static void mwi_event_cb(const struct ast_event *event, void *userdata)
2244 {
2245         /* This module does not handle MWI in an event-based manner.  However, it
2246          * subscribes to MWI for each mailbox that is configured so that the core
2247          * knows that we care about it.  Then, chan_skinny will get the MWI from the
2248          * event cache instead of checking the mailbox directly. */
2249 }
2250
2251 static int has_voicemail(struct skinny_line *l)
2252 {
2253         int new_msgs;
2254         struct ast_event *event;
2255         char *mailbox, *context;
2256
2257         context = mailbox = ast_strdupa(l->mailbox);
2258         strsep(&context, "@");
2259         if (ast_strlen_zero(context))
2260                 context = "default";
2261
2262         event = ast_event_get_cached(AST_EVENT_MWI,
2263                 AST_EVENT_IE_MAILBOX, AST_EVENT_IE_PLTYPE_STR, mailbox,
2264                 AST_EVENT_IE_CONTEXT, AST_EVENT_IE_PLTYPE_STR, context,
2265                 AST_EVENT_IE_NEWMSGS, AST_EVENT_IE_PLTYPE_EXISTS,
2266                 AST_EVENT_IE_END);
2267
2268         if (event) {
2269                 new_msgs = ast_event_get_ie_uint(event, AST_EVENT_IE_NEWMSGS);
2270                 ast_event_destroy(event);
2271         } else
2272                 new_msgs = ast_app_has_voicemail(l->mailbox, NULL);
2273
2274         return new_msgs;
2275 }
2276
2277 static void do_housekeeping(struct skinnysession *s)
2278 {
2279         int device_lamp = 0;
2280         struct skinny_device *d = s->device;
2281         struct skinny_line *l;
2282
2283         /* Update time on device */
2284         handle_time_date_req_message(NULL, s);
2285
2286         /* Set MWI on individual lines */
2287         for (l = d->lines; l; l = l->next) {
2288                 if (has_voicemail(l)) {
2289                         if (skinnydebug)
2290                                 ast_verb(1, "Checking for voicemail Skinny %s@%s\n", l->name, d->name);
2291                         if (skinnydebug)
2292                                 ast_verb(1, "Skinny %s@%s has voicemail!\n", l->name, d->name);
2293                         transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, l->mwiblink?SKINNY_LAMP_BLINK:SKINNY_LAMP_ON);
2294                         device_lamp++;
2295                 } else {
2296                         transmit_lamp_indication(s, STIMULUS_VOICEMAIL, l->instance, SKINNY_LAMP_OFF);
2297                 }
2298         }
2299         /* If at least one line has VM, turn the device level lamp on */
2300         if (device_lamp)
2301                 transmit_lamp_indication(s, STIMULUS_VOICEMAIL, 0, SKINNY_LAMP_ON);
2302         else
2303                 transmit_lamp_indication(s, STIMULUS_VOICEMAIL, 0, SKINNY_LAMP_OFF);
2304 }
2305
2306 /* I do not believe skinny can deal with video.
2307    Anyone know differently? */
2308 /* Yes, it can.  Currently 7985 and Cisco VT Advantage do video. */
2309 static enum ast_rtp_get_result skinny_get_vrtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
2310 {
2311         struct skinny_subchannel *sub = NULL;
2312
2313         if (!(sub = c->tech_pvt) || !(sub->vrtp))
2314                 return AST_RTP_GET_FAILED;
2315
2316         *rtp = sub->vrtp;
2317
2318         return AST_RTP_TRY_NATIVE;
2319 }
2320
2321 static enum ast_rtp_get_result skinny_get_rtp_peer(struct ast_channel *c, struct ast_rtp **rtp)
2322 {
2323         struct skinny_subchannel *sub = NULL;
2324         struct skinny_line *l;
2325         enum ast_rtp_get_result res = AST_RTP_TRY_NATIVE;
2326
2327         if (skinnydebug)
2328                 ast_verb(1, "skinny_get_rtp_peer() Channel = %s\n", c->name);
2329
2330
2331         if (!(sub = c->tech_pvt))
2332                 return AST_RTP_GET_FAILED;
2333
2334         ast_mutex_lock(&sub->lock);
2335
2336         if (!(sub->rtp)){
2337                 ast_mutex_unlock(&sub->lock);
2338                 return AST_RTP_GET_FAILED;
2339         }
2340         
2341         *rtp = sub->rtp;
2342
2343         l = sub->parent;
2344
2345         if (!l->canreinvite || l->nat){
2346                 res = AST_RTP_TRY_PARTIAL;
2347                 if (skinnydebug)
2348                         ast_verb(1, "skinny_get_rtp_peer() Using AST_RTP_TRY_PARTIAL \n");
2349         }
2350
2351         ast_mutex_unlock(&sub->lock);
2352
2353         return res;
2354
2355 }
2356
2357 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)
2358 {
2359         struct skinny_subchannel *sub;
2360         struct skinny_line *l;
2361         struct skinny_device *d;
2362         struct skinnysession *s;
2363         struct ast_format_list fmt;
2364         struct sockaddr_in us;
2365         struct sockaddr_in them;
2366         struct skinny_req *req;
2367         
2368         sub = c->tech_pvt;
2369
2370         if (c->_state != AST_STATE_UP)
2371                 return 0;
2372
2373         if (!sub) {
2374                 return -1;
2375         }
2376
2377         l = sub->parent;
2378         d = l->parent;
2379         s = d->session;
2380
2381         if (rtp){
2382                 ast_rtp_get_peer(rtp, &them);
2383
2384                 /* Shutdown any early-media or previous media on re-invite */
2385                 if (!(req = req_alloc(sizeof(struct stop_media_transmission_message), STOP_MEDIA_TRANSMISSION_MESSAGE)))
2386                         return -1;
2387
2388                 req->data.stopmedia.conferenceId = htolel(sub->callid);
2389                 req->data.stopmedia.passThruPartyId = htolel(sub->callid);
2390                 transmit_response(s, req);
2391
2392                 if (skinnydebug)
2393                         ast_verb(1, "Peerip = %s:%d\n", ast_inet_ntoa(them.sin_addr), ntohs(them.sin_port));
2394
2395                 if (!(req = req_alloc(sizeof(struct start_media_transmission_message), START_MEDIA_TRANSMISSION_MESSAGE)))
2396                         return -1;
2397
2398                 fmt = ast_codec_pref_getsize(&l->prefs, ast_best_codec(l->capability));
2399
2400                 if (skinnydebug)
2401                         ast_verb(1, "Setting payloadType to '%d' (%d ms)\n", fmt.bits, fmt.cur_ms);
2402
2403                 req->data.startmedia.conferenceId = htolel(sub->callid);
2404                 req->data.startmedia.passThruPartyId = htolel(sub->callid);
2405                 if (!(l->canreinvite) || (l->nat)){
2406                         ast_rtp_get_us(rtp, &us);
2407                         req->data.startmedia.remoteIp = htolel(d->ourip.s_addr);
2408                         req->data.startmedia.remotePort = htolel(ntohs(us.sin_port));
2409                 } else {
2410                         req->data.startmedia.remoteIp = htolel(them.sin_addr.s_addr);
2411                         req->data.startmedia.remotePort = htolel(ntohs(them.sin_port));
2412                 }
2413                 req->data.startmedia.packetSize = htolel(fmt.cur_ms);
2414                 req->data.startmedia.payloadType = htolel(codec_ast2skinny(fmt.bits));
2415                 req->data.startmedia.qualifier.precedence = htolel(127);
2416                 req->data.startmedia.qualifier.vad = htolel(0);
2417                 req->data.startmedia.qualifier.packets = htolel(0);
2418                 req->data.startmedia.qualifier.bitRate = htolel(0);
2419                 transmit_response(s, req);
2420
2421                 return 0;
2422         }
2423         /* Need a return here to break the bridge */
2424         return 0;
2425 }
2426
2427 static struct ast_rtp_protocol skinny_rtp = {
2428         .type = "Skinny",
2429         .get_rtp_info = skinny_get_rtp_peer,
2430         .get_vrtp_info = skinny_get_vrtp_peer,
2431         .set_rtp_peer = skinny_set_rtp_peer,
2432 };
2433
2434 static char *handle_skinny_set_debug_deprecated(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2435 {
2436         switch (cmd) {
2437         case CLI_INIT:
2438                 e->command = "skinny set debug [off]";
2439                 e->usage =
2440                         "Usage: skinny set debug [off]\n"
2441                         "       Enables/Disables dumping of Skinny packets for debugging purposes\n";
2442                 return NULL;
2443         case CLI_GENERATE:
2444                 return NULL;
2445         }
2446         
2447         if (a->argc < 3 || a->argc > 4)
2448                 return CLI_SHOWUSAGE;
2449
2450         if (a->argc == 3) {
2451                 skinnydebug = 1;
2452                 ast_cli(a->fd, "Skinny Debugging Enabled\n");
2453                 return CLI_SUCCESS;
2454         } else if (!strncasecmp(a->argv[3], "off", 3)) {
2455                 skinnydebug = 0;
2456                 ast_cli(a->fd, "Skinny Debugging Disabled\n");
2457                 return CLI_SUCCESS;
2458         } else {
2459                 return CLI_SHOWUSAGE;
2460         }
2461 }
2462
2463 static char *handle_skinny_set_debug(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2464 {
2465         switch (cmd) {
2466         case CLI_INIT:
2467                 e->command = "skinny set debug {on|off}";
2468                 e->usage =
2469                         "Usage: skinny set debug {on|off}\n"
2470                         "       Enables/Disables dumping of Skinny packets for debugging purposes\n";
2471                 return NULL;
2472         case CLI_GENERATE:
2473                 return NULL;
2474         }
2475         
2476         if (a->argc != e->args)
2477                 return CLI_SHOWUSAGE;
2478
2479         if (!strncasecmp(a->argv[e->args - 1], "on", 2)) {
2480                 skinnydebug = 1;
2481                 ast_cli(a->fd, "Skinny Debugging Enabled\n");
2482                 return CLI_SUCCESS;
2483         } else if (!strncasecmp(a->argv[e->args - 1], "off", 3)) {
2484                 skinnydebug = 0;
2485                 ast_cli(a->fd, "Skinny Debugging Disabled\n");
2486                 return CLI_SUCCESS;
2487         } else {
2488                 return CLI_SHOWUSAGE;
2489         }
2490 }
2491
2492 static char *complete_skinny_devices(const char *word, int state)
2493 {
2494         struct skinny_device *d;
2495         char *result = NULL;
2496         int wordlen = strlen(word), which = 0;
2497
2498         for (d = devices; d && !result; d = d->next) {
2499                 if (!strncasecmp(word, d->id, wordlen) && ++which > state)
2500                         result = ast_strdup(d->id);
2501         }
2502
2503         return result;
2504 }
2505
2506 static char *complete_skinny_show_device(const char *line, const char *word, int pos, int state)
2507 {
2508         return (pos == 3 ? ast_strdup(complete_skinny_devices(word, state)) : NULL);
2509 }
2510
2511 static char *complete_skinny_reset(const char *line, const char *word, int pos, int state)
2512 {
2513         return (pos == 2 ? ast_strdup(complete_skinny_devices(word, state)) : NULL);
2514 }
2515
2516 static char *complete_skinny_show_line(const char *line, const char *word, int pos, int state)
2517 {
2518         struct skinny_device *d;
2519         struct skinny_line *l;
2520         char *result = NULL;
2521         int wordlen = strlen(word), which = 0;
2522
2523         if (pos != 3)
2524                 return NULL;
2525         
2526         for (d = devices; d && !result; d = d->next) {
2527                 for (l = d->lines; l && !result; l = l->next) {
2528                         if (!strncasecmp(word, l->name, wordlen) && ++which > state)
2529                                 result = ast_strdup(l->name);
2530                 }
2531         }
2532
2533         return result;
2534 }
2535
2536 static char *handle_skinny_reset(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2537 {
2538         struct skinny_device *d;
2539         struct skinny_req *req;
2540
2541         switch (cmd) {
2542         case CLI_INIT:
2543                 e->command = "skinny reset";
2544                 e->usage =
2545                         "Usage: skinny reset <DeviceId|DeviceName|all> [restart]\n"
2546                         "       Causes a Skinny device to reset itself, optionally with a full restart\n";
2547                 return NULL;
2548         case CLI_GENERATE:
2549                 return complete_skinny_reset(a->line, a->word, a->pos, a->n);
2550         }
2551
2552         if (a->argc < 3 || a->argc > 4)
2553                 return CLI_SHOWUSAGE;
2554
2555         ast_mutex_lock(&devicelock);
2556
2557         for (d = devices; d; d = d->next) {
2558                 int fullrestart = 0;
2559                 if (!strcasecmp(a->argv[2], d->id) || !strcasecmp(a->argv[2], d->name) || !strcasecmp(a->argv[2], "all")) {
2560                         if (!(d->session))
2561                                 continue;
2562
2563                         if (!(req = req_alloc(sizeof(struct reset_message), RESET_MESSAGE)))
2564                                 continue;
2565
2566                         if (a->argc == 4 && !strcasecmp(a->argv[3], "restart"))
2567                                 fullrestart = 1;
2568
2569                         if (fullrestart)
2570                                 req->data.reset.resetType = 2;
2571                         else
2572                                 req->data.reset.resetType = 1;
2573
2574                         ast_verb(3, "%s device %s.\n", (fullrestart) ? "Restarting" : "Resetting", d->id);
2575                         transmit_response(d->session, req);
2576                 }
2577         }
2578         ast_mutex_unlock(&devicelock);
2579         return CLI_SUCCESS;
2580 }
2581
2582 static char *device2str(int type)
2583 {
2584         char *tmp;
2585
2586         switch (type) {
2587         case SKINNY_DEVICE_NONE:
2588                 return "No Device";
2589         case SKINNY_DEVICE_30SPPLUS:
2590                 return "30SP Plus";
2591         case SKINNY_DEVICE_12SPPLUS:
2592                 return "12SP Plus";
2593         case SKINNY_DEVICE_12SP:
2594                 return "12SP";
2595         case SKINNY_DEVICE_12:
2596                 return "12";
2597         case SKINNY_DEVICE_30VIP:
2598                 return "30VIP";
2599         case SKINNY_DEVICE_7910:
2600                 return "7910";
2601         case SKINNY_DEVICE_7960:
2602                 return "7960";
2603         case SKINNY_DEVICE_7940:
2604                 return "7940";
2605         case SKINNY_DEVICE_7935:
2606                 return "7935";
2607         case SKINNY_DEVICE_ATA186:
2608                 return "ATA186";
2609         case SKINNY_DEVICE_7941:
2610                 return "7941";
2611         case SKINNY_DEVICE_7971:
2612                 return "7971";
2613         case SKINNY_DEVICE_7914:
2614                 return "7914";
2615         case SKINNY_DEVICE_7985:
2616                 return "7985";
2617         case SKINNY_DEVICE_7911:
2618                 return "7911";
2619         case SKINNY_DEVICE_7961GE:
2620                 return "7961GE";
2621         case SKINNY_DEVICE_7941GE:
2622                 return "7941GE";
2623         case SKINNY_DEVICE_7931:
2624                 return "7931";
2625         case SKINNY_DEVICE_7921:
2626                 return "7921";
2627         case SKINNY_DEVICE_7906:
2628                 return "7906";
2629         case SKINNY_DEVICE_7962:
2630                 return "7962";
2631         case SKINNY_DEVICE_7937:
2632                 return "7937";
2633         case SKINNY_DEVICE_7942:
2634                 return "7942";
2635         case SKINNY_DEVICE_7945:
2636                 return "7945";
2637         case SKINNY_DEVICE_7965:
2638                 return "7965";
2639         case SKINNY_DEVICE_7975:
2640                 return "7975";
2641         case SKINNY_DEVICE_7905:
2642                 return "7905";
2643         case SKINNY_DEVICE_7920:
2644                 return "7920";
2645         case SKINNY_DEVICE_7970:
2646                 return "7970";
2647         case SKINNY_DEVICE_7912:
2648                 return "7912";
2649         case SKINNY_DEVICE_7902:
2650                 return "7902";
2651         case SKINNY_DEVICE_CIPC:
2652                 return "IP Communicator";
2653         case SKINNY_DEVICE_7961:
2654                 return "7961";
2655         case SKINNY_DEVICE_7936:
2656                 return "7936";
2657         case SKINNY_DEVICE_SCCPGATEWAY_AN:
2658                 return "SCCPGATEWAY_AN";
2659         case SKINNY_DEVICE_SCCPGATEWAY_BRI:
2660                 return "SCCPGATEWAY_BRI";
2661         case SKINNY_DEVICE_UNKNOWN:
2662                 return "Unknown";
2663         default:
2664                 if (!(tmp = ast_threadstorage_get(&device2str_threadbuf, DEVICE2STR_BUFSIZE)))
2665                         return "Unknown";
2666                 snprintf(tmp, DEVICE2STR_BUFSIZE, "UNKNOWN-%d", type);
2667                 return tmp;
2668         }
2669 }
2670
2671 /*! \brief Print codec list from preference to CLI/manager */
2672 static void print_codec_to_cli(int fd, struct ast_codec_pref *pref)
2673 {
2674         int x, codec;
2675
2676         for(x = 0; x < 32 ; x++) {
2677                 codec = ast_codec_pref_index(pref, x);
2678                 if (!codec)
2679                         break;
2680                 ast_cli(fd, "%s", ast_getformatname(codec));
2681                 ast_cli(fd, ":%d", pref->framing[x]);
2682                 if (x < 31 && ast_codec_pref_index(pref, x + 1))
2683                         ast_cli(fd, ",");
2684         }
2685         if (!x)
2686                 ast_cli(fd, "none");
2687 }
2688
2689 static char *handle_skinny_show_devices(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2690 {
2691         struct skinny_device *d;
2692         struct skinny_line *l;
2693
2694         switch (cmd) {
2695         case CLI_INIT:
2696                 e->command = "skinny show devices";
2697                 e->usage =
2698                         "Usage: skinny show devices\n"
2699                         "       Lists all devices known to the Skinny subsystem.\n";
2700                 return NULL;
2701         case CLI_GENERATE:
2702                 return NULL;
2703         }
2704
2705         if (a->argc != 3)
2706                 return CLI_SHOWUSAGE;
2707
2708         ast_mutex_lock(&devicelock);
2709
2710         ast_cli(a->fd, "Name                 DeviceId         IP              Type            R NL\n");
2711         ast_cli(a->fd, "-------------------- ---------------- --------------- --------------- - --\n");
2712
2713         for (d = devices; d; d = d->next) {
2714                 int numlines = 0;
2715
2716                 for (l = d->lines; l; l = l->next)
2717                         numlines++;
2718                 
2719                 ast_cli(a->fd, "%-20s %-16s %-15s %-15s %c %2d\n",
2720                         d->name,
2721                         d->id,
2722                         d->session?ast_inet_ntoa(d->session->sin.sin_addr):"",
2723                         device2str(d->type),
2724                         d->registered?'Y':'N',
2725                         numlines);
2726         }
2727
2728         ast_mutex_unlock(&devicelock);
2729
2730         return CLI_SUCCESS;
2731 }
2732
2733 /*! \brief Show device information */
2734 static char *handle_skinny_show_device(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2735 {
2736         struct skinny_device *d;
2737         struct skinny_line *l;
2738         struct skinny_speeddial *sd;
2739         struct skinny_addon *sa;
2740
2741         switch (cmd) {
2742         case CLI_INIT:
2743                 e->command = "skinny show device";
2744                 e->usage =
2745                         "Usage: skinny show device <DeviceId|DeviceName>\n"
2746                         "       Lists all deviceinformation of a specific device known to the Skinny subsystem.\n";
2747                 return NULL;
2748         case CLI_GENERATE:
2749                 return complete_skinny_show_device(a->line, a->word, a->pos, a->n);
2750         }
2751
2752         if (a->argc < 4)
2753                 return CLI_SHOWUSAGE;
2754
2755         ast_mutex_lock(&devicelock);
2756         for (d = devices; d; d = d->next) {
2757                 if (!strcasecmp(a->argv[3], d->id) || !strcasecmp(a->argv[3], d->name)) {
2758                         int numlines = 0, numaddons = 0, numspeeddials = 0;
2759
2760                         for (l = d->lines; l; l = l->next)
2761                                 numlines++;
2762
2763                         ast_cli(a->fd, "Name:        %s\n", d->name);
2764                         ast_cli(a->fd, "Id:          %s\n", d->id);
2765                         ast_cli(a->fd, "version:     %s\n", S_OR(d->version_id, "Unknown"));
2766                         ast_cli(a->fd, "Ip address:  %s\n", (d->session ? ast_inet_ntoa(d->session->sin.sin_addr) : "Unknown"));
2767                         ast_cli(a->fd, "Port:        %d\n", (d->session ? ntohs(d->session->sin.sin_port) : 0));
2768                         ast_cli(a->fd, "Device Type: %s\n", device2str(d->type));
2769                         ast_cli(a->fd, "Registered:  %s\n", (d->registered ? "Yes" : "No"));
2770                         ast_cli(a->fd, "Lines:       %d\n", numlines);
2771                         for (l = d->lines; l; l = l->next)
2772                                 ast_cli(a->fd, "  %s (%s)\n", l->name, l->label);
2773                         for (sa = d->addons; sa; sa = sa->next)
2774                                 numaddons++;
2775                         ast_cli(a->fd, "Addons:      %d\n", numaddons);
2776                         for (sa = d->addons; sa; sa = sa->next)
2777                                 ast_cli(a->fd, "  %s\n", sa->type);
2778                         for (sd = d->speeddials; sd; sd = sd->next)
2779                                 numspeeddials++;
2780                         ast_cli(a->fd, "Speeddials:  %d\n", numspeeddials);
2781                         for (sd = d->speeddials; sd; sd = sd->next)
2782                                 ast_cli(a->fd, "  %s (%s) ishint: %d\n", sd->exten, sd->label, sd->isHint);
2783                 }
2784         }
2785         ast_mutex_unlock(&devicelock);
2786         return CLI_SUCCESS;
2787 }
2788
2789 static char *handle_skinny_show_lines(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2790 {
2791         struct skinny_device *d;
2792         struct skinny_line *l;
2793
2794         switch (cmd) {
2795         case CLI_INIT:
2796                 e->command = "skinny show lines";
2797                 e->usage =
2798                         "Usage: skinny show lines\n"
2799                         "       Lists all lines known to the Skinny subsystem.\n";
2800                 return NULL;
2801         case CLI_GENERATE:
2802                 return NULL;
2803         }
2804
2805         if (a->argc != 3)
2806                 return CLI_SHOWUSAGE;
2807         
2808         ast_mutex_lock(&devicelock);
2809         
2810         ast_cli(a->fd, "Device Name          Instance Name                 Label               \n");
2811         ast_cli(a->fd, "-------------------- -------- -------------------- --------------------\n");
2812         for (d = devices; d; d = d->next) {
2813                 for (l = d->lines; l; l = l->next) {
2814                         ast_cli(a->fd, "%-20s %8d %-20s %-20s\n",
2815                                 d->name,
2816                                 l->instance,
2817                                 l->name,
2818                                 l->label);
2819                 }
2820         }
2821         
2822         ast_mutex_unlock(&devicelock);
2823         return CLI_SUCCESS;
2824 }
2825
2826 /*! \brief List line information. */
2827 static char *handle_skinny_show_line(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2828 {
2829         struct skinny_device *d;
2830         struct skinny_line *l;
2831         char codec_buf[512];
2832         char group_buf[256];
2833
2834         switch (cmd) {
2835         case CLI_INIT:
2836                 e->command = "skinny show line";
2837                 e->usage =
2838                         "Usage: skinny show line <Line> [ on <DeviceID|DeviceName> ]\n"
2839                         "       List all lineinformation of a specific line known to the Skinny subsystem.\n";
2840                 return NULL;
2841         case CLI_GENERATE:
2842                 return complete_skinny_show_line(a->line, a->word, a->pos, a->n);
2843         }
2844
2845         if (a->argc < 4)
2846                 return CLI_SHOWUSAGE;
2847         
2848         ast_mutex_lock(&devicelock);
2849
2850         /* Show all lines matching the one supplied */
2851         for (d = devices; d; d = d->next) {
2852                 if (a->argc == 6 && (strcasecmp(a->argv[5], d->id) && strcasecmp(a->argv[5], d->name)))
2853                         continue;
2854                 for (l = d->lines; l; l = l->next) {
2855                         if (strcasecmp(a->argv[3], l->name))
2856                                 continue;
2857                         ast_cli(a->fd, "Line:             %s\n", l->name);
2858                         ast_cli(a->fd, "On Device:        %s\n", d->name);
2859                         ast_cli(a->fd, "Line Label:       %s\n", l->label);
2860                         ast_cli(a->fd, "Extension:        %s\n", S_OR(l->exten, "<not set>"));
2861                         ast_cli(a->fd, "Context:          %s\n", l->context);
2862                         ast_cli(a->fd, "CallGroup:        %s\n", ast_print_group(group_buf, sizeof(group_buf), l->callgroup));
2863                         ast_cli(a->fd, "PickupGroup:      %s\n", ast_print_group(group_buf, sizeof(group_buf), l->pickupgroup));
2864                         ast_cli(a->fd, "Language:         %s\n", S_OR(l->language, "<not set>"));
2865                         ast_cli(a->fd, "Accountcode:      %s\n", S_OR(l->accountcode, "<not set>"));
2866                         ast_cli(a->fd, "AmaFlag:          %s\n", ast_cdr_flags2str(l->amaflags));
2867                         ast_cli(a->fd, "CallerId Number:  %s\n", S_OR(l->cid_num, "<not set>"));
2868                         ast_cli(a->fd, "CallerId Name:    %s\n", S_OR(l->cid_name, "<not set>"));
2869                         ast_cli(a->fd, "Hide CallerId:    %s\n", (l->hidecallerid ? "Yes" : "No"));
2870                         ast_cli(a->fd, "CFwdAll:          %s\n", S_COR((l->cfwdtype & SKINNY_CFWD_ALL), l->call_forward_all, "<not set>"));
2871                         ast_cli(a->fd, "CFwdBusy:         %s\n", S_COR((l->cfwdtype & SKINNY_CFWD_BUSY), l->call_forward_busy, "<not set>"));
2872                         ast_cli(a->fd, "CFwdNoAnswer:     %s\n", S_COR((l->cfwdtype & SKINNY_CFWD_NOANSWER), l->call_forward_noanswer, "<not set>"));
2873                         ast_cli(a->fd, "VoicemailBox:     %s\n", S_OR(l->mailbox, "<not set>"));
2874                         ast_cli(a->fd, "VoicemailNumber:  %s\n", S_OR(l->vmexten, "<not set>"));
2875                         ast_cli(a->fd, "MWIblink:         %d\n", l->mwiblink);
2876                         ast_cli(a->fd, "Regextension:     %s\n", S_OR(l->regexten, "<not set>"));
2877                         ast_cli(a->fd, "Regcontext:       %s\n", S_OR(l->regcontext, "<not set>"));
2878                         ast_cli(a->fd, "MoHInterpret:     %s\n", S_OR(l->mohinterpret, "<not set>"));
2879                         ast_cli(a->fd, "MoHSuggest:       %s\n", S_OR(l->mohsuggest, "<not set>"));
2880                         ast_cli(a->fd, "Last dialed nr:   %s\n", S_OR(l->lastnumberdialed, "<no calls made yet>"));
2881                         ast_cli(a->fd, "Last CallerID:    %s\n", S_OR(l->lastcallerid, "<not set>"));
2882                         ast_cli(a->fd, "Transfer enabled: %s\n", (l->transfer ? "Yes" : "No"));
2883                         ast_cli(a->fd, "Callwaiting:      %s\n", (l->callwaiting ? "Yes" : "No"));
2884                         ast_cli(a->fd, "3Way Calling:     %s\n", (l->threewaycalling ? "Yes" : "No"));
2885                         ast_cli(a->fd, "Can forward:      %s\n", (l->cancallforward ? "Yes" : "No"));
2886                         ast_cli(a->fd, "Do Not Disturb:   %s\n", (l->dnd ? "Yes" : "No"));
2887                         ast_cli(a->fd, "NAT:              %s\n", (l->nat ? "Yes" : "No"));
2888                         ast_cli(a->fd, "immediate:        %s\n", (l->immediate ? "Yes" : "No"));
2889                         ast_cli(a->fd, "Group:            %d\n", l->group);
2890                         ast_cli(a->fd, "Codecs:           ");
2891                         ast_getformatname_multiple(codec_buf, sizeof(codec_buf) - 1, l->capability);
2892                         ast_cli(a->fd, "%s\n", codec_buf);
2893                         ast_cli(a->fd, "Codec Order:      (");
2894                         print_codec_to_cli(a->fd, &l->prefs);
2895                         ast_cli(a->fd, ")\n");
2896                         ast_cli(a->fd, "\n");
2897                 }
2898         }
2899         
2900         ast_mutex_unlock(&devicelock);
2901         return CLI_SUCCESS;
2902 }
2903
2904 /*! \brief List global settings for the Skinny subsystem. */
2905 static char *handle_skinny_show_settings(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
2906 {
2907         switch (cmd) {
2908         case CLI_INIT:
2909                 e->command = "skinny show settings";
2910                 e->usage =
2911                         "Usage: skinny show settings\n"
2912                         "       Lists all global configuration settings of the Skinny subsystem.\n";
2913                 return NULL;
2914         case CLI_GENERATE:
2915                 return NULL;
2916         }       
2917
2918         if (a->argc != 3)
2919                 return CLI_SHOWUSAGE;
2920
2921         ast_cli(a->fd, "\nGlobal Settings:\n");
2922         ast_cli(a->fd, "  Skinny Port:            %d\n", ntohs(bindaddr.sin_port));
2923         ast_cli(a->fd, "  Bindaddress:            %s\n", ast_inet_ntoa(bindaddr.sin_addr));
2924         ast_cli(a->fd, "  KeepAlive:              %d\n", keep_alive);
2925         ast_cli(a->fd, "  Date Format:            %s\n", date_format);
2926         ast_cli(a->fd, "  Voice Mail Extension:   %s\n", S_OR(vmexten, "(not set)"));
2927         ast_cli(a->fd, "  Reg. context:           %s\n", S_OR(regcontext, "(not set)"));
2928         ast_cli(a->fd, "  Jitterbuffer enabled:   %s\n", (ast_test_flag(&global_jbconf, AST_JB_ENABLED) ? "Yes" : "No"));
2929         ast_cli(a->fd, "  Jitterbuffer forced:    %s\n", (ast_test_flag(&global_jbconf, AST_JB_FORCED) ? "Yes" : "No"));
2930         ast_cli(a->fd, "  Jitterbuffer max size:  %ld\n", global_jbconf.max_size);
2931         ast_cli(a->fd, "  Jitterbuffer resync:    %ld\n", global_jbconf.resync_threshold);
2932         ast_cli(a->fd, "  Jitterbuffer impl:      %s\n", global_jbconf.impl);
2933         ast_cli(a->fd, "  Jitterbuffer log:       %s\n", (ast_test_flag(&global_jbconf, AST_JB_LOG) ? "Yes" : "No"));
2934
2935         return CLI_SUCCESS;
2936 }
2937
2938 static struct ast_cli_entry cli_skinny_set_debug_deprecated = AST_CLI_DEFINE(handle_skinny_set_debug_deprecated, "Enable/Disable Skinny debugging");
2939 static struct ast_cli_entry cli_skinny[] = {
2940         AST_CLI_DEFINE(handle_skinny_show_devices, "List defined Skinny devices"),
2941         AST_CLI_DEFINE(handle_skinny_show_device, "List Skinny device information"),
2942         AST_CLI_DEFINE(handle_skinny_show_lines, "List defined Skinny lines per device"),       
2943         AST_CLI_DEFINE(handle_skinny_show_line, "List Skinny line information"),
2944         AST_CLI_DEFINE(handle_skinny_show_settings, "List global Skinny settings"),
2945         AST_CLI_DEFINE(handle_skinny_set_debug, "Enable/Disable Skinny debugging", .deprecate_cmd = &cli_skinny_set_debug_deprecated),
2946         AST_CLI_DEFINE(handle_skinny_reset, "Reset Skinny device(s)"),
2947 };
2948
2949 #if 0
2950 static struct skinny_paging_device *build_paging_device(const char *cat, struct ast_variable *v)
2951 {
2952         return NULL;
2953 }
2954 #endif
2955
2956 static struct skinny_device *build_device(const char *cat, struct ast_variable *v)
2957 {
2958         struct skinny_device *d;
2959         struct skinny_line *l;
2960         struct skinny_speeddial *sd;
2961         struct skinny_addon *a;
2962         char device_vmexten[AST_MAX_EXTENSION];
2963         struct ast_variable *chanvars = NULL;
2964         int lineInstance = 1;
2965         int speeddialInstance = 1;
2966         int y = 0;
2967
2968         if (!(d = ast_calloc(1, sizeof(*d)))) {
2969                 return NULL;
2970         } else {
2971                 ast_copy_string(d->name, cat, sizeof(d->name));
2972                 d->lastlineinstance = 1;
2973                 d->capability = default_capability;
2974                 d->prefs = default_prefs;
2975                 if (!ast_strlen_zero(vmexten))
2976                         ast_copy_string(device_vmexten, vmexten, sizeof(device_vmexten));
2977                 else
2978                         memset(device_vmexten, 0, sizeof(device_vmexten));
2979
2980                 d->earlyrtp = 1;
2981                 while(v) {
2982                         if (!strcasecmp(v->name, "host")) {
2983                                 if (ast_get_ip(&d->addr, v->value)) {
2984                                         ast_free(d);
2985                                         return NULL;
2986                                 }
2987                         } else if (!strcasecmp(v->name, "port")) {
2988                                 d->addr.sin_port = htons(atoi(v->value));
2989                         } else if (!strcasecmp(v->name, "device")) {
2990                                 ast_copy_string(d->id, v->value, sizeof(d->id));
2991                         } else if (!strcasecmp(v->name, "permit") || !strcasecmp(v->name, "deny")) {
2992                                 d->ha = ast_append_ha(v->name, v->value, d->ha, NULL);
2993                         } else if (!strcasecmp(v->name, "vmexten")) {
2994                                 ast_copy_string(device_vmexten, v->value, sizeof(device_vmexten));
2995                         } else if (!strcasecmp(v->name, "context")) {
2996                                 ast_copy_string(context, v->value, sizeof(context));
2997                         } else if (!strcasecmp(v->name, "regexten")) {
2998                                 ast_copy_string(regexten, v->value, sizeof(regexten));
2999                         } else if (!strcasecmp(v->name, "allow")) {
3000                                 ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 1);
3001                         } else if (!strcasecmp(v->name, "disallow")) {
3002                                 ast_parse_allow_disallow(&d->prefs, &d->capability, v->value, 0);
3003                         } else if (!strcasecmp(v->name, "version")) {
3004                                 ast_copy_string(d->version_id, v->value, sizeof(d->version_id));
3005                         } else if (!strcasecmp(v->name, "canreinvite")) {
3006                                 canreinvite = ast_true(v->value);
3007                         } else if (!strcasecmp(v->name, "earlyrtp")) {
3008                                 d->earlyrtp = ast_true(v->value);
3009                         } else if (!strcasecmp(v->name, "nat")) {
3010                                 nat = ast_true(v->value);
3011                         } else if (!strcasecmp(v->name, "callerid")) {
3012                                 if (!strcasecmp(v->value, "asreceived")) {
3013                                         cid_num[0] = '\0';
3014                                         cid_name[0] = '\0';
3015                                 } else {
3016                                         ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num));
3017                                 }
3018                         } else if (!strcasecmp(v->name, "language")) {
3019                                 ast_copy_string(language, v->value, sizeof(language));
3020                         } else if (!strcasecmp(v->name, "accountcode")) {
3021                                 ast_copy_string(accountcode, v->value, sizeof(accountcode));
3022                         } else if (!strcasecmp(v->name, "amaflags")) {
3023                                 y = ast_cdr_amaflags2int(v->value);
3024                                 if (y < 0) {
3025                                         ast_log(LOG_WARNING, "Invalid AMA flags: %s at line %d\n", v->value, v->lineno);
3026                                 } else {
3027                                         amaflags = y;
3028                                 }
3029                         } else if (!strcasecmp(v->name, "mohinterpret") || !strcasecmp(v->name, "musiconhold")) {
3030                                 ast_copy_string(mohinterpret, v->value, sizeof(mohinterpret));
3031                         } else if (!strcasecmp(v->name, "mohsuggest")) {
3032                                 ast_copy_string(mohsuggest, v->value, sizeof(mohsuggest));
3033                         } else if (!strcasecmp(v->name, "callgroup")) {
3034                                 cur_callergroup = ast_get_group(v->value);
3035                         } else if (!strcasecmp(v->name, "pickupgroup")) {
3036                                 cur_pickupgroup = ast_get_group(v->value);
3037                         } else if (!strcasecmp(v->name, "immediate")) {
3038                                 immediate = ast_true(v->value);
3039                         } else if (!strcasecmp(v->name, "cancallforward")) {
3040                                 cancallforward = ast_true(v->value);
3041                         } else if (!strcasecmp(v->name, "mailbox")) {
3042                                 ast_copy_string(mailbox, v->value, sizeof(mailbox));
3043                         } else if (!strcasecmp(v->name, "callreturn")) {
3044                                 callreturn = ast_true(v->value);
3045                         } else if (!strcasecmp(v->name, "callwaiting")) {
3046                                 callwaiting = ast_true(v->value);
3047                         } else if (!strcasecmp(v->name, "transfer")) {
3048                                 transfer = ast_true(v->value);
3049                         } else if (!strcasecmp(v->name, "threewaycalling")) {
3050                                 threewaycalling = ast_true(v->value);
3051                         } else if (!strcasecmp(v->name, "mwiblink")) {
3052                                 mwiblink = ast_true(v->value);
3053                         } else if (!strcasecmp(v->name, "linelabel")) {
3054                                 ast_copy_string(linelabel, v->value, sizeof(linelabel));
3055                         } else if (!strcasecmp(v->name, "setvar")) {
3056                                 chanvars = add_var(v->value, chanvars);
3057                         } else if ( !strcasecmp(v->name, "parkinglot")) {
3058                                 ast_copy_string(parkinglot, v->value, sizeof(parkinglot));
3059                         } else if (!strcasecmp(v->name, "speeddial")) {
3060                                 if (!(sd = ast_calloc(1, sizeof(*sd)))) {
3061                                         return NULL;
3062                                 } else {
3063                                         char buf[256];
3064                                         char *stringp = buf, *exten, *context, *label;
3065
3066                                         ast_copy_string(buf, v->value, sizeof(buf));
3067                                         exten = strsep(&stringp, ",");
3068                                         if ((context = strchr(exten, '@'))) {
3069                                                 *context++ = '\0';
3070                                         }
3071                                         label = stringp;
3072                                         ast_mutex_init(&sd->lock);
3073                                         ast_copy_string(sd->exten, exten, sizeof(sd->exten));
3074                                         if (!ast_strlen_zero(context)) {
3075                                                 sd->isHint = 1;
3076                                                 sd->instance = lineInstance++;
3077                                                 ast_copy_string(sd->context, context, sizeof(sd->context));
3078                                         } else {
3079                                                 sd->isHint = 0;
3080                                                 sd->instance = speeddialInstance++;
3081                                                 sd->context[0] = '\0';
3082                                         }
3083                                         ast_copy_string(sd->label, S_OR(label, exten), sizeof(sd->label));
3084
3085                                         sd->parent = d;
3086
3087                                         sd->next = d->speeddials;
3088                                         d->speeddials = sd;
3089                                 }
3090                         } else if (!strcasecmp(v->name, "addon")) {
3091                                 if (!(a = ast_calloc(1, sizeof(*a)))) {
3092                                         return NULL;
3093                                 } else {
3094                                         ast_mutex_init(&a->lock);
3095                                         ast_copy_string(a->type, v->value, sizeof(a->type));
3096
3097                                         a->next = d->addons;
3098                                         d->addons = a;
3099                                 }
3100                         } else if (!strcasecmp(v->name, "trunk") || !strcasecmp(v->name, "line")) {
3101                                 if (!(l = ast_calloc(1, sizeof(*l)))) {
3102                                         return NULL;
3103                                 } else {
3104                                         ast_mutex_init(&l->lock);
3105                                         ast_copy_string(l->name, v->value, sizeof(l->name));
3106
3107                                         /* XXX Should we check for uniqueness?? XXX */
3108                                         ast_copy_string(l->context, context, sizeof(l->context));
3109                                         ast_copy_string(l->cid_num, cid_num, sizeof(l->cid_num));
3110                                         ast_copy_string(l->cid_name, cid_name, sizeof(l->cid_name));
3111                                         ast_copy_string(l->label, linelabel, sizeof(l->label));
3112                                         ast_copy_string(l->parkinglot, parkinglot, sizeof(l->parkinglot));
3113                                         ast_copy_string(l->language, language, sizeof(l->language));
3114                                         ast_copy_string(l->mohinterpret, mohinterpret, sizeof(l->mohinterpret));
3115                                         ast_copy_string(l->mohsuggest, mohsuggest, sizeof(l->mohsuggest));
3116                                         ast_copy_string(l->regexten, regexten, sizeof(l->regexten));
3117                                         ast_copy_string(l->mailbox, mailbox, sizeof(l->mailbox));
3118                                         if (!ast_strlen_zero(mailbox)) {
3119                                                 char *cfg_mailbox, *cfg_context;
3120                                                 cfg_context = cfg_mailbox = ast_strdupa(l->mailbox);
3121                                                 ast_verb(3, "Setting mailbox '%s' on %s@%s\n", cfg_mailbox, d->name, l->name);
3122                                                 strsep(&cfg_context, "@");
3123                                                 if (ast_strlen_zero(cfg_context))
3124                                                          cfg_context = "default";
3125                                                 l->mwi_event_sub = ast_event_subscribe(AST_EVENT_MWI, mwi_event_cb, NULL,
3126                                                         AST_EVENT_IE_MAILBOX, AST_EVENT_IE_PLTYPE_STR, cfg_mailbox,
3127                                                         AST_EVENT_IE_CONTEXT, AST_EVENT_IE_PLTYPE_STR, cfg_context,
3128                                                         AST_EVENT_IE_NEWMSGS, AST_EVENT_IE_PLTYPE_EXISTS,
3129                                                         AST_EVENT_IE_END);
3130                                         }
3131                                         ast_copy_string(l->vmexten, device_vmexten, sizeof(vmexten));
3132                                         l->chanvars = chanvars;
3133                                         l->msgstate = -1;
3134                                         l->capability = d->capability;
3135                                         l->prefs = d->prefs;
3136                                         l->parent = d;
3137                                         if (!strcasecmp(v->name, "trunk")) {
3138                                                 l->type = TYPE_TRUNK;
3139                                         } else {
3140                                                 l->type = TYPE_LINE;
3141                                         }
3142                                         l->immediate = immediate;
3143                                         l->callgroup = cur_callergroup;
3144                                         l->pickupgroup = cur_pickupgroup;
3145                                         l->callreturn = callreturn;
3146                                         l->cancallforward = cancallforward;
3147                                         l->getforward = 0;
3148                                         set_callforwards(l, NULL, 0);
3149                                         l->callwaiting = callwaiting;
3150                                         l->transfer = transfer;
3151                                         l->threewaycalling = threewaycalling;
3152                                         l->mwiblink = mwiblink;
3153                                         l->onhooktime = time(NULL);
3154                                         l->instance = lineInstance++;
3155                                         /* ASSUME we're onhook at this point */
3156                                         l->hookstate = SKINNY_ONHOOK;
3157                                         l->nat = nat;
3158                                         l->canreinvite = canreinvite;
3159
3160                                         l->next = d->lines;
3161                                         d->lines = l;
3162                                 }
3163                         } else {
3164                                 ast_log(LOG_WARNING, "Don't know keyword '%s' at line %d\n", v->name, v->lineno);
3165                         }
3166                         v = v->next;
3167                 }
3168
3169                 if (!d->lines) {
3170                         ast_log(LOG_ERROR, "A Skinny device must have at least one line!\n");
3171                         return NULL;
3172                 }
3173                 if (/*d->addr.sin_addr.s_addr && */!ntohs(d->addr.sin_port)) {
3174                         d->addr.sin_port = htons(DEFAULT_SKINNY_PORT);
3175                 }
3176 #if 0
3177                 /* I don't think we need this anymore at all, since d->ourip is set in skinny_register now */
3178                 if (d->addr.sin_addr.s_addr) {
3179                         /* XXX See note above, in 'host' option. */
3180                         if (ast_ouraddrfor(&d->addr.sin_addr, &d->ourip)) {
3181                                 d->ourip = __ourip;
3182                         }
3183                 } else {
3184                         d->ourip = __ourip;
3185                 }
3186 #endif
3187         }
3188         return d;
3189 }
3190
3191 static void start_rtp(struct skinny_subchannel *sub)
3192 {
3193         struct skinny_line *l = sub->parent;
3194         struct skinny_device *d = l->parent;
3195         int hasvideo = 0;
3196
3197         ast_mutex_lock(&sub->lock);
3198         /* Allocate the RTP */
3199         sub->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
3200         if (hasvideo)
3201                 sub->vrtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr);
3202         
3203         if (sub->rtp && sub->owner) {
3204                 ast_channel_set_fd(sub->owner, 0, ast_rtp_fd(sub->rtp));
3205                 ast_channel_set_fd(sub->owner, 1, ast_rtcp_fd(sub->rtp));
3206         }
3207         if (hasvideo && sub->vrtp && sub->owner) {
3208                 ast_channel_set_fd(sub->owner, 2, ast_rtp_fd(sub->vrtp));
3209                 ast_channel_set_fd(sub->owner, 3, ast_rtcp_fd(sub->vrtp));
3210         }
3211         if (sub->rtp) {
3212                 ast_rtp_setqos(sub->rtp, tos_audio, cos_audio, "Skinny RTP");
3213                 ast_rtp_setnat(sub->rtp, l->nat);
3214         }
3215         if (sub->vrtp) {
3216                 ast_rtp_setqos(sub->vrtp, tos_video, cos_video, "Skinny VRTP");
3217                 ast_rtp_setnat(sub->vrtp, l->nat);
3218         }
3219         /* Set Frame packetization */
3220         if (sub->rtp)
3221                 ast_rtp_codec_setpref(sub->rtp, &l->prefs);
3222
3223         /* Create the RTP connection */
3224         transmit_connect(d->session, sub);
3225         ast_mutex_unlock(&sub->lock);
3226 }
3227
3228 static void *skinny_newcall(void *data)
3229 {
3230         struct ast_channel *c = data;
3231         struct skinny_subchannel *sub = c->tech_pvt;
3232         struct skinny_line *l = sub->parent;
3233         struct skinny_device *d = l->parent;
3234         struct skinnysession *s = d->session;
3235         int res = 0;
3236
3237         ast_copy_string(l->lastnumberdialed, c->exten, sizeof(l->lastnumberdialed));
3238         ast_set_callerid(c,
3239                 l->hidecallerid ? "" : l->cid_num,
3240                 l->hidecallerid ? "" : l->cid_name,
3241                 c->cid.cid_ani ? NULL : l->cid_num);
3242         ast_setstate(c, AST_STATE_RING);
3243         if (!sub->rtp) {
3244                 start_rtp(sub);
3245         }
3246         res = ast_pbx_run(c);
3247         if (res) {
3248                 ast_log(LOG_WARNING, "PBX exited non-zero\n");
3249                 transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
3250         }
3251         return NULL;
3252 }
3253
3254 static void *skinny_ss(void *data)
3255 {
3256         struct ast_channel *c = data;
3257         struct skinny_subchannel *sub = c->tech_pvt;
3258         struct skinny_line *l = sub->parent;
3259         struct skinny_device *d = l->parent;
3260         struct skinnysession *s = d->session;
3261         int len = 0;
3262         int timeout = firstdigittimeout;
3263         int res = 0;
3264         int loop_pause = 100;
3265
3266         ast_verb(3, "Starting simple switch on '%s@%s'\n", l->name, d->name);
3267
3268         len = strlen(d->exten);
3269
3270         while (len < AST_MAX_EXTENSION-1) {
3271                 res = 1;  /* Assume that we will get a digit */
3272                 while (strlen(d->exten) == len){
3273                         ast_safe_sleep(c, loop_pause);
3274                         timeout -= loop_pause;
3275                         if ( (timeout -= loop_pause) <= 0){
3276                                  res = 0;
3277                                  break;
3278                         }
3279                 res = 1;
3280                 }
3281
3282                 timeout = 0;
3283                 len = strlen(d->exten);
3284
3285                 if (!ast_ignore_pattern(c->context, d->exten)) {
3286                         transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
3287                 }
3288                 if (ast_exists_extension(c, c->context, d->exten, 1, l->cid_num)) {
3289                         if (!res || !ast_matchmore_extension(c, c->context, d->exten, 1, l->cid_num)) {
3290                                 if (l->getforward) {
3291                                         /* Record this as the forwarding extension */
3292                                         set_callforwards(l, d->exten, l->getforward);
3293                                         ast_verb(3, "Setting call forward (%d) to '%s' on channel %s\n",
3294                                                         l->cfwdtype, d->exten, c->name);
3295                                         transmit_tone(s, SKINNY_DIALTONE, l->instance, sub->callid);
3296                                         transmit_lamp_indication(s, STIMULUS_FORWARDALL, 1, SKINNY_LAMP_ON);
3297                                         transmit_displaynotify(s, "CFwd enabled", 10);
3298                                         transmit_cfwdstate(s, l);
3299                                         ast_safe_sleep(c, 500);
3300                                         ast_indicate(c, -1);
3301                                         ast_safe_sleep(c, 1000);
3302                                         memset(d->exten, 0, sizeof(d->exten));
3303                                         len = 0;
3304                                         l->getforward = 0;
3305                                         if (sub->owner && sub->owner->_state != AST_STATE_UP) {
3306                                                 ast_indicate(c, -1);
3307                                                 ast_hangup(c);
3308                                         }
3309                                         return NULL;
3310                                 } else {
3311                                         ast_copy_string(c->exten, d->exten, sizeof(c->exten));
3312                                         ast_copy_string(l->lastnumberdialed, d->exten, sizeof(l->lastnumberdialed));
3313                                         memset(d->exten, 0, sizeof(d->exten));
3314                                         skinny_newcall(c);
3315                                         return NULL;
3316                                 }
3317                         } else {
3318                                 /* It's a match, but they just typed a digit, and there is an ambiguous match,
3319                                    so just set the timeout to matchdigittimeout and wait some more */
3320                                 timeout = matchdigittimeout;
3321                         }
3322                 } else if (res == 0) {
3323                         ast_debug(1, "Not enough digits (%s) (and no ambiguous match)...\n", d->exten);
3324                         memset(d->exten, 0, sizeof(d->exten));
3325                         transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
3326                         if (sub->owner && sub->owner->_state != AST_STATE_UP) {
3327                                 ast_indicate(c, -1);
3328                                 ast_hangup(c);
3329                         }
3330                         return NULL;
3331                 } else if (!ast_canmatch_extension(c, c->context, d->exten, 1, c->cid.cid_num) &&
3332                            ((d->exten[0] != '*') || (!ast_strlen_zero(d->exten) > 2))) {
3333                         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);
3334                         memset(d->exten, 0, sizeof(d->exten));
3335                         transmit_tone(s, SKINNY_REORDER, l->instance, sub->callid);
3336                         /* hang out for 3 seconds to let congestion play */
3337                         ast_safe_sleep(c, 3000);
3338                         break;
3339                 }
3340                 if (!timeout) {
3341                         timeout = gendigittimeout;
3342                 }
3343                 if (len && !ast_ignore_pattern(c->context, d->exten)) {
3344                         ast_indicate(c, -1);
3345                 }
3346         }
3347         if (c)
3348                 ast_hangup(c);
3349         memset(d->exten, 0, sizeof(d->exten));
3350         return NULL;
3351 }
3352
3353
3354
3355 static int skinny_call(struct ast_channel *ast, char *dest, int timeout)
3356 {
3357         int res = 0;
3358         int tone = 0;
3359         struct skinny_subchannel *sub = ast->tech_pvt;
3360         struct skinny_line *l = sub->parent;
3361         struct skinny_device *d = l->parent;
3362         struct skinnysession *s = d->session;
3363
3364         if (!d->registered) {
3365                 ast_log(LOG_ERROR, "Device not registered, cannot call %s\n", dest);
3366                 return -1;
3367         }
3368
3369         if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) {
3370                 ast_log(LOG_WARNING, "skinny_call called on %s, neither down nor reserved\n", ast->name);
3371                 return -1;
3372         }
3373
3374         if (skinnydebug)
3375                 ast_verb(3, "skinny_call(%s)\n", ast->name);
3376
3377         if (l->dnd) {
3378                 ast_queue_control(ast, AST_CONTROL_BUSY);
3379                 return -1;
3380         }
3381
3382         switch (l->hookstate) {
3383         case SKINNY_OFFHOOK:
3384                 tone = SKINNY_CALLWAITTONE;
3385                 break;
3386         case SKINNY_ONHOOK:
3387                 tone = SKINNY_ALERT;
3388                 break;
3389         default:
3390                 ast_log(LOG_ERROR, "Don't know how to deal with hookstate %d\n", l->hookstate);
3391                 break;
3392         }
3393
3394         transmit_callstate(s, l->instance, SKINNY_RINGIN, sub->callid);
3395         transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_RINGIN);
3396         transmit_displaypromptstatus(s, "Ring-In", 0, l->instance, sub->callid);
3397         transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, l->cid_name, l->cid_num, l->instance, sub->callid, 1);
3398         transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_BLINK);
3399         transmit_ringer_mode(s, SKINNY_RING_INSIDE);
3400
3401         ast_setstate(ast, AST_STATE_RINGING);
3402         ast_queue_control(ast, AST_CONTROL_RINGING);
3403         sub->outgoing = 1;
3404         return res;
3405 }
3406
3407 static int skinny_hangup(struct ast_channel *ast)
3408 {
3409         struct skinny_subchannel *sub = ast->tech_pvt;
3410         struct skinny_line *l;
3411         struct skinny_device *d;
3412         struct skinnysession *s;
3413
3414         if (!sub) {
3415                 ast_debug(1, "Asked to hangup channel not connected\n");
3416                 return 0;
3417         }
3418         l = sub->parent;
3419         d = l->parent;
3420         s = d->session;
3421         if (skinnydebug)
3422                 ast_verb(1, "skinny_hangup(%s) on %s@%s\n", ast->name, l->name, d->name);
3423
3424         if (d->registered) {
3425                 if ((l->type = TYPE_LINE) && (l->hookstate == SKINNY_OFFHOOK)) {
3426                         l->hookstate = SKINNY_ONHOOK;
3427                         transmit_callstate(s, l->instance, SKINNY_ONHOOK, sub->callid);
3428                         transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_OFF);
3429                         transmit_speaker_mode(s, SKINNY_SPEAKEROFF);
3430                 } else if ((l->type = TYPE_LINE) && (l->hookstate == SKINNY_ONHOOK)) {
3431                         transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
3432                         transmit_callstate(s, l->instance, SKINNY_ONHOOK, sub->callid);
3433                         transmit_ringer_mode(s, SKINNY_RING_OFF);
3434                         transmit_lamp_indication(s, STIMULUS_LINE, l->instance, SKINNY_LAMP_OFF);
3435                         do_housekeeping(s);
3436                 }
3437         }
3438         ast_mutex_lock(&sub->lock);
3439         sub->owner = NULL;
3440         ast->tech_pvt = NULL;
3441         sub->alreadygone = 0;
3442         sub->outgoing = 0;
3443         if (sub->rtp) {
3444                 ast_rtp_destroy(sub->rtp);
3445                 sub->rtp = NULL;
3446         }
3447         ast_mutex_unlock(&sub->lock);
3448         return 0;
3449 }
3450
3451 static int skinny_answer(struct ast_channel *ast)
3452 {
3453         int res = 0;
3454         struct skinny_subchannel *sub = ast->tech_pvt;
3455         struct skinny_line *l = sub->parent;
3456         struct skinny_device *d = l->parent;
3457         struct skinnysession *s = d->session;
3458         char exten[AST_MAX_EXTENSION] = "";
3459
3460         ast_copy_string(exten, S_OR(ast->macroexten, ast->exten), sizeof(exten));
3461
3462         sub->cxmode = SKINNY_CX_SENDRECV;
3463         if (!sub->rtp) {
3464                 start_rtp(sub);
3465         }
3466         if (skinnydebug)
3467                 ast_verb(1, "skinny_answer(%s) on %s@%s-%d\n", ast->name, l->name, d->name, sub->callid);
3468         if (ast->_state != AST_STATE_UP) {
3469                 ast_setstate(ast, AST_STATE_UP);
3470         }
3471
3472         transmit_tone(s, SKINNY_SILENCE, l->instance, sub->callid);
3473         /* order matters here...
3474            for some reason, transmit_callinfo must be before transmit_callstate,
3475            or you won't get keypad messages in some situations. */
3476         transmit_callinfo(s, ast->cid.cid_name, ast->cid.cid_num, exten, exten, l->instance, sub->callid, 2);
3477         transmit_callstate(s, l->instance, SKINNY_CONNECTED, sub->callid);
3478         transmit_selectsoftkeys(s, l->instance, sub->callid, KEYDEF_CONNECTED);
3479         transmit_dialednumber(s, exten, l->instance, sub->callid);
3480         transmit_displaypromptstatus(s, "Connected", 0, l->instance, sub->callid);
3481         return res;
3482 }
3483
3484 /* Retrieve audio/etc from channel.  Assumes sub->lock is already held. */
3485 static struct ast_frame *skinny_rtp_read(struct skinny_subchannel *sub)
3486 {
3487         struct ast_channel *ast = sub->owner;
3488         struct ast_frame *f;
3489
3490         if (!sub->rtp) {
3491                 /* We have no RTP allocated for this channel */
3492                 return &ast_null_frame;
3493         }
3494
3495         switch(ast->fdno) {
3496         case 0:
3497                 f = ast_rtp_read(sub->rtp);     /* RTP Audio */
3498                 break;
3499         case 1:
3500                 f = ast_rtcp_read(sub->rtp);    /* RTCP Control Channel */
3501                 break;
3502         case 2:
3503                 f = ast_rtp_read(sub->vrtp);    /* RTP Video */
3504                 break;
3505         case 3:
3506                 f = ast_rtcp_read(sub->vrtp);   /* RTCP Control Channel for video */
3507                 break;
3508 #if 0
3509         case 5:
3510                 /* Not yet supported */
3511                 f = ast_udptl_read(sub->udptl); /* UDPTL for T.38 */
3512                 break;
3513 #endif
3514         default:
3515                 f = &ast_null_frame;
3516         }
3517
3518         if (ast) {
3519                 /* We already hold the channel lock */
3520                 if (f->frametype == AST_FRAME_VOICE) {
3521                         if (f->subclass != ast->nativeformats) {
3522                                 ast_debug(1, "Oooh, format changed to %d\n", f->subclass);
3523                                 ast->nativeformats = f->subclass;
3524                                 ast_set_read_format(ast, ast->readformat);
3525                                 ast_set_write_format(ast, ast->writeformat);
3526                         }
3527                 }
3528         }
3529         return f;
3530 }
3531
3532 static struct ast_frame *skinny_read(struct ast_channel *ast)
3533 {
3534         struct ast_frame *fr;
3535         struct skinny_subchannel *sub = ast->tech_pvt;
3536         ast_mutex_lock(&sub->lock);
3537         fr = skinny_rtp_read(sub);
3538         ast_mutex_unlock(&sub->lock);
3539         return fr;
3540 }
3541
3542 static int skinny_write(struct ast_channel *ast, struct ast_frame *frame)
3543 {
3544         struct skinny_subchannel *sub = ast->tech_pvt;
3545         int res = 0;
3546         if (frame->frametype != AST_FRAME_VOICE) {
3547                 if (frame->frametype == AST_FRAME_IMAGE) {
3548                         return 0;
3549                 } else {
3550                         ast_log(LOG_WARNING, "Can't send %d type frames with skinny_write\n", frame->frametype);
3551                         return 0;
3552                 }
3553         } else {
3554                 if (!(frame->subclass & ast->nativeformats)) {
3555                         ast_log(LOG_WARNING, "Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n",
3556                                 frame->subclass, ast->nativeformats, ast->readformat, ast->writeformat);
3557                         return -1;
3558                 }
3559         }
3560         if (sub) {
3561                 ast_mutex_lock(&sub->lock);
3562                 if (sub->rtp) {
3563                         res = ast_rtp_write(sub->rtp, frame);
3564                 }
3565                 ast_mutex_unlock(&sub->lock);
3566         }
3567         return res;
3568 }
3569
3570 static int skinny_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
3571 {
3572         struct skinny_subchannel *sub = newchan->tech_pvt;
3573         ast_log(LOG_NOTICE, "skinny_fixup(%s, %s)\n", oldchan->name, newchan->name);
3574         if (sub->owner != oldchan) {
3575                 ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, sub->owner);
3576                 return -1;
3577         }
3578         sub->owner = newchan;
3579         return 0;
3580 }
3581
3582 static int skinny_senddigit_begin(struct ast_channel *ast, char digit)
3583 {
3584         return -1; /* Start inband indications */
3585 }
3586
3587 static int skinny_senddigit_end(struct ast_channel *ast, char digit, unsigned int duration)
3588 {
3589 #if 0
3590         struct skinny_subchannel *sub = ast->tech_pvt;
3591         struct skinny_line *l = sub->parent;
3592         struct skinny_device *d = l->parent;
3593         int tmp;
3594         /* not right */
3595         sprintf(tmp, "%d", digit);
3596         transmit_tone(d->session, digit, l->instance, sub->callid);
3597 #endif
3598         return -1; /* Stop inband indications */
3599 }
3600
3601 static int get_devicestate(struct skinny_line *l)
3602 {
3603         struct skinny_subchannel *sub;
3604         int res = AST_DEVICE_UNKNOWN;
3605
3606         if (!l)
3607                 res = AST_DEVICE_INVALID;
3608         else if (!l->parent)
3609                 res = AST_DEVICE_UNAVAILABLE;
3610         else if (l->dnd)
3611                 res = AST_DEVICE_BUSY;
3612         else {
3613                 if (l->hookstate == SKINNY_ONHOOK) {
3614                         res = AST_DEVICE_NOT_INUSE;
3615                 } else {
3616                         res = AST_DEVICE_INUSE;
3617                 }
3618
3619                 for (sub = l->sub; sub; sub = sub->next) {
3620                         if (sub->onhold) {
3621                                 res = AST_DEVICE_ONHOLD;
3622                                 break;
3623                         }
3624                 }
3625         }
3626
3627         return res;
3628 }
3629
3630 static char *control2str(int ind) {
3631         char *tmp;
3632
3633         switch (ind) {
3634         case AST_CONTROL_HANGUP:
3635                 return "Other end has hungup";
3636         case AST_CONTROL_RING:
3637                 return "Local ring";
3638         case AST_CONTROL_RINGING:
3639                 return "Remote end is ringing";
3640         case AST_CONTROL_ANSWER:
3641                 return "Remote end has answered";
3642