move out another large block to a large function, and document
[asterisk/asterisk.git] / apps / app_dial.c
1 /*
2  * Asterisk -- An open source telephony toolkit.
3  *
4  * Copyright (C) 1999 - 2006, Digium, Inc.
5  *
6  * Mark Spencer <markster@digium.com>
7  *
8  * See http://www.asterisk.org for more information about
9  * the Asterisk project. Please do not directly contact
10  * any of the maintainers of this project for assistance;
11  * the project provides a web site, mailing lists and IRC
12  * channels for your use.
13  *
14  * This program is free software, distributed under the terms of
15  * the GNU General Public License Version 2. See the LICENSE file
16  * at the top of the source tree.
17  */
18
19 /*! \file
20  *
21  * \brief dial() & retrydial() - Trivial application to dial a channel and send an URL on answer
22  *
23  * \author Mark Spencer <markster@digium.com>
24  * 
25  * \ingroup applications
26  */
27
28 #include "asterisk.h"
29
30 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
31
32 #include <stdlib.h>
33 #include <errno.h>
34 #include <unistd.h>
35 #include <string.h>
36 #include <stdlib.h>
37 #include <stdio.h>
38 #include <sys/time.h>
39 #include <sys/signal.h>
40 #include <sys/stat.h>
41 #include <netinet/in.h>
42
43 #include "asterisk/lock.h"
44 #include "asterisk/file.h"
45 #include "asterisk/logger.h"
46 #include "asterisk/channel.h"
47 #include "asterisk/pbx.h"
48 #include "asterisk/options.h"
49 #include "asterisk/module.h"
50 #include "asterisk/translate.h"
51 #include "asterisk/say.h"
52 #include "asterisk/config.h"
53 #include "asterisk/features.h"
54 #include "asterisk/musiconhold.h"
55 #include "asterisk/callerid.h"
56 #include "asterisk/utils.h"
57 #include "asterisk/app.h"
58 #include "asterisk/causes.h"
59 #include "asterisk/rtp.h"
60 #include "asterisk/manager.h"
61 #include "asterisk/privacy.h"
62 #include "asterisk/stringfields.h"
63
64 static char *app = "Dial";
65
66 static char *synopsis = "Place a call and connect to the current channel";
67
68 static char *descrip =
69 "  Dial(Technology/resource[&Tech2/resource2...][|timeout][|options][|URL]):\n"
70 "This applicaiton will place calls to one or more specified channels. As soon\n"
71 "as one of the requested channels answers, the originating channel will be\n"
72 "answered, if it has not already been answered. These two channels will then\n"
73 "be active in a bridged call. All other channels that were requested will then\n"
74 "be hung up.\n"
75 "  Unless there is a timeout specified, the Dial application will wait\n"
76 "indefinitely until one of the called channels answers, the user hangs up, or\n"
77 "if all of the called channels are busy or unavailable. Dialplan executing will\n"
78 "continue if no requested channels can be called, or if the timeout expires.\n\n"
79 "  This application sets the following channel variables upon completion:\n"
80 "    DIALEDTIME   - This is the time from dialing a channel until when it\n"
81 "                   is disconnected.\n" 
82 "    ANSWEREDTIME - This is the amount of time for actual call.\n"
83 "    DIALSTATUS   - This is the status of the call:\n"
84 "                   CHANUNAVAIL | CONGESTION | NOANSWER | BUSY | ANSWER | CANCEL\n" 
85 "                   DONTCALL | TORTURE\n"
86 "  For the Privacy and Screening Modes, the DIALSTATUS variable will be set to\n"
87 "DONTCALL if the called party chooses to send the calling party to the 'Go Away'\n"
88 "script. The DIALSTATUS variable will be set to TORTURE if the called party\n"
89 "wants to send the caller to the 'torture' script.\n"
90 "  This application will report normal termination if the originating channel\n"
91 "hangs up, or if the call is bridged and either of the parties in the bridge\n"
92 "ends the call.\n"
93 "  The optional URL will be sent to the called party if the channel supports it.\n"
94 "  If the OUTBOUND_GROUP variable is set, all peer channels created by this\n"
95 "application will be put into that group (as in Set(GROUP()=...).\n\n"
96 "  Options:\n"
97 "    A(x) - Play an announcement to the called party, using 'x' as the file.\n"
98 "    C    - Reset the CDR for this call.\n"
99 "    d    - Allow the calling user to dial a 1 digit extension while waiting for\n"
100 "           a call to be answered. Exit to that extension if it exists in the\n"
101 "           current context, or the context defined in the EXITCONTEXT variable,\n"
102 "           if it exists.\n"
103 "    D([called][:calling]) - Send the specified DTMF strings *after* the called\n"
104 "           party has answered, but before the call gets bridged. The 'called'\n"
105 "           DTMF string is sent to the called party, and the 'calling' DTMF\n"
106 "           string is sent to the calling party. Both parameters can be used\n"
107 "           alone.\n"   
108 "    f    - Force the callerid of the *calling* channel to be set as the\n"
109 "           extension associated with the channel using a dialplan 'hint'.\n"
110 "           For example, some PSTNs do not allow CallerID to be set to anything\n"
111 "           other than the number assigned to the caller.\n"
112 "    g    - Proceed with dialplan execution at the current extension if the\n"
113 "           destination channel hangs up.\n"
114 "    G(context^exten^pri) - If the call is answered, transfer the calling party to\n"
115 "           the specified priority and the called party to the specified priority+1.\n"
116 "           Optionally, an extension, or extension and context may be specified. \n"
117 "           Otherwise, the current extension is used. You cannot use any additional\n"
118 "           action post answer options in conjunction with this option.\n" 
119 "    h    - Allow the called party to hang up by sending the '*' DTMF digit.\n"
120 "    H    - Allow the calling party to hang up by hitting the '*' DTMF digit.\n"
121 "    i    - Asterisk will ignore any forwarding requests it may receive on this\n"
122 "           dial attempt.\n"
123 "    j    - Jump to priority n+101 if all of the requested channels were busy.\n"
124 "    L(x[:y][:z]) - Limit the call to 'x' ms. Play a warning when 'y' ms are\n"
125 "           left. Repeat the warning every 'z' ms. The following special\n"
126 "           variables can be used with this option:\n"
127 "           * LIMIT_PLAYAUDIO_CALLER   yes|no (default yes)\n"
128 "                                      Play sounds to the caller.\n"
129 "           * LIMIT_PLAYAUDIO_CALLEE   yes|no\n"
130 "                                      Play sounds to the callee.\n"
131 "           * LIMIT_TIMEOUT_FILE       File to play when time is up.\n"
132 "           * LIMIT_CONNECT_FILE       File to play when call begins.\n"
133 "           * LIMIT_WARNING_FILE       File to play as warning if 'y' is defined.\n"
134 "                                      The default is to say the time remaining.\n"
135 "    m([class]) - Provide hold music to the calling party until a requested\n"
136 "           channel answers. A specific MusicOnHold class can be\n"
137 "           specified.\n"
138 "    M(x[^arg]) - Execute the Macro for the *called* channel before connecting\n"
139 "           to the calling channel. Arguments can be specified to the Macro\n"
140 "           using '^' as a delimeter. The Macro can set the variable\n"
141 "           MACRO_RESULT to specify the following actions after the Macro is\n" 
142 "           finished executing.\n"
143 "           * ABORT        Hangup both legs of the call.\n"
144 "           * CONGESTION   Behave as if line congestion was encountered.\n"
145 "           * BUSY         Behave as if a busy signal was encountered. This will also\n"
146 "                          have the application jump to priority n+101 if the\n"
147 "                          'j' option is set.\n"
148 "           * CONTINUE     Hangup the called party and allow the calling party\n"
149 "                          to continue dialplan execution at the next priority.\n"
150 "           * GOTO:<context>^<exten>^<priority> - Transfer the call to the\n"
151 "                          specified priority. Optionally, an extension, or\n"
152 "                          extension and priority can be specified.\n"
153 "           You cannot use any additional action post answer options in conjunction\n"
154 "           with this option. Also, pbx services are not run on the peer (called) channel,\n"
155 "           so you will not be able to set timeouts via the TIMEOUT() function in this macro.\n"
156 "    n    - This option is a modifier for the screen/privacy mode. It specifies\n"
157 "           that no introductions are to be saved in the priv-callerintros\n"
158 "           directory.\n"
159 "    N    - This option is a modifier for the screen/privacy mode. It specifies\n"
160 "           that if callerID is present, do not screen the call.\n"
161 "    o    - Specify that the CallerID that was present on the *calling* channel\n"
162 "           be set as the CallerID on the *called* channel. This was the\n"
163 "           behavior of Asterisk 1.0 and earlier.\n"
164 "    O([x]) - \"Operator Services\" mode (Zaptel channel to Zaptel channel\n"
165 "             only, if specified on non-Zaptel interface, it will be ignored).\n"
166 "             When the destination answers (presumably an operator services\n"
167 "             station), the originator no longer has control of their line.\n"
168 "             They may hang up, but the switch will not release their line\n"
169 "             until the destination party hangs up (the operator). Specified\n"
170 "             without an arg, or with 1 as an arg, the originator hanging up\n"
171 "             will cause the phone to ring back immediately. With a 2 specified,\n"
172 "             when the \"operator\" flashes the trunk, it will ring their phone\n"
173 "             back.\n"
174 "    p    - This option enables screening mode. This is basically Privacy mode\n"
175 "           without memory.\n"
176 "    P([x]) - Enable privacy mode. Use 'x' as the family/key in the database if\n"
177 "           it is provided. The current extension is used if a database\n"
178 "           family/key is not specified.\n"
179 "    r    - Indicate ringing to the calling party. Pass no audio to the calling\n"
180 "           party until the called channel has answered.\n"
181 "    S(x) - Hang up the call after 'x' seconds *after* the called party has\n"
182 "           answered the call.\n"       
183 "    t    - Allow the called party to transfer the calling party by sending the\n"
184 "           DTMF sequence defined in features.conf.\n"
185 "    T    - Allow the calling party to transfer the called party by sending the\n"
186 "           DTMF sequence defined in features.conf.\n"
187 "    w    - Allow the called party to enable recording of the call by sending\n"
188 "           the DTMF sequence defined for one-touch recording in features.conf.\n"
189 "    W    - Allow the calling party to enable recording of the call by sending\n"
190 "           the DTMF sequence defined for one-touch recording in features.conf.\n"
191 "    k    - Allow the called party to enable parking of the call by sending\n"
192 "           the DTMF sequence defined for call parking in features.conf.\n"
193 "    K    - Allow the calling party to enable parking of the call by sending\n"
194 "           the DTMF sequence defined for call parking in features.conf.\n";
195
196 /* RetryDial App by Anthony Minessale II <anthmct@yahoo.com> Jan/2005 */
197 static char *rapp = "RetryDial";
198 static char *rsynopsis = "Place a call, retrying on failure allowing optional exit extension.";
199 static char *rdescrip =
200 "  RetryDial(announce|sleep|retries|dialargs): This application will attempt to\n"
201 "place a call using the normal Dial application. If no channel can be reached,\n"
202 "the 'announce' file will be played. Then, it will wait 'sleep' number of\n"
203 "seconds before retying the call. After 'retires' number of attempts, the\n"
204 "calling channel will continue at the next priority in the dialplan. If the\n"
205 "'retries' setting is set to 0, this application will retry endlessly.\n"
206 "  While waiting to retry a call, a 1 digit extension may be dialed. If that\n"
207 "extension exists in either the context defined in ${EXITCONTEXT} or the current\n"
208 "one, The call will jump to that extension immediately.\n"
209 "  The 'dialargs' are specified in the same format that arguments are provided\n"
210 "to the Dial application.\n";
211
212 enum {
213         OPT_ANNOUNCE =          (1 << 0),
214         OPT_RESETCDR =          (1 << 1),
215         OPT_DTMF_EXIT =         (1 << 2),
216         OPT_SENDDTMF =          (1 << 3),
217         OPT_FORCECLID =         (1 << 4),
218         OPT_GO_ON =             (1 << 5),
219         OPT_CALLEE_HANGUP =     (1 << 6),
220         OPT_CALLER_HANGUP =     (1 << 7),
221         OPT_PRIORITY_JUMP =     (1 << 8),
222         OPT_DURATION_LIMIT =    (1 << 9),
223         OPT_MUSICBACK =         (1 << 10),
224         OPT_CALLEE_MACRO =      (1 << 11),
225         OPT_SCREEN_NOINTRO =    (1 << 12),
226         OPT_SCREEN_NOCLID =     (1 << 13),
227         OPT_ORIGINAL_CLID =     (1 << 14),
228         OPT_SCREENING =         (1 << 15),
229         OPT_PRIVACY =           (1 << 16),
230         OPT_RINGBACK =          (1 << 17),
231         OPT_DURATION_STOP =     (1 << 18),
232         OPT_CALLEE_TRANSFER =   (1 << 19),
233         OPT_CALLER_TRANSFER =   (1 << 20),
234         OPT_CALLEE_MONITOR =    (1 << 21),
235         OPT_CALLER_MONITOR =    (1 << 22),
236         OPT_GOTO =              (1 << 23),
237         OPT_OPERMODE =          (1 << 24),
238         OPT_CALLEE_PARK =       (1 << 25),
239         OPT_CALLER_PARK =       (1 << 26),
240         OPT_IGNORE_FORWARDING = (1 << 27),
241 } dial_exec_option_flags;
242
243 #define DIAL_STILLGOING                 (1 << 30)
244 #define DIAL_NOFORWARDHTML              (1 << 31)
245
246 enum {
247         OPT_ARG_ANNOUNCE = 0,
248         OPT_ARG_SENDDTMF,
249         OPT_ARG_GOTO,
250         OPT_ARG_DURATION_LIMIT,
251         OPT_ARG_MUSICBACK,
252         OPT_ARG_CALLEE_MACRO,
253         OPT_ARG_PRIVACY,
254         OPT_ARG_DURATION_STOP,
255         OPT_ARG_OPERMODE,
256         /* note: this entry _MUST_ be the last one in the enum */
257         OPT_ARG_ARRAY_SIZE,
258 } dial_exec_option_args;
259
260 AST_APP_OPTIONS(dial_exec_options, {
261         AST_APP_OPTION_ARG('A', OPT_ANNOUNCE, OPT_ARG_ANNOUNCE),
262         AST_APP_OPTION('C', OPT_RESETCDR),
263         AST_APP_OPTION('d', OPT_DTMF_EXIT),
264         AST_APP_OPTION_ARG('D', OPT_SENDDTMF, OPT_ARG_SENDDTMF),
265         AST_APP_OPTION('f', OPT_FORCECLID),
266         AST_APP_OPTION('g', OPT_GO_ON),
267         AST_APP_OPTION_ARG('G', OPT_GOTO, OPT_ARG_GOTO),
268         AST_APP_OPTION('h', OPT_CALLEE_HANGUP),
269         AST_APP_OPTION('H', OPT_CALLER_HANGUP),
270         AST_APP_OPTION('i', OPT_IGNORE_FORWARDING),
271         AST_APP_OPTION('j', OPT_PRIORITY_JUMP),
272         AST_APP_OPTION_ARG('L', OPT_DURATION_LIMIT, OPT_ARG_DURATION_LIMIT),
273         AST_APP_OPTION_ARG('m', OPT_MUSICBACK, OPT_ARG_MUSICBACK),
274         AST_APP_OPTION_ARG('M', OPT_CALLEE_MACRO, OPT_ARG_CALLEE_MACRO),
275         AST_APP_OPTION('n', OPT_SCREEN_NOINTRO),
276         AST_APP_OPTION('N', OPT_SCREEN_NOCLID),
277         AST_APP_OPTION_ARG('O', OPT_OPERMODE,OPT_ARG_OPERMODE),
278         AST_APP_OPTION('o', OPT_ORIGINAL_CLID),
279         AST_APP_OPTION('p', OPT_SCREENING),
280         AST_APP_OPTION_ARG('P', OPT_PRIVACY, OPT_ARG_PRIVACY),
281         AST_APP_OPTION('r', OPT_RINGBACK),
282         AST_APP_OPTION_ARG('S', OPT_DURATION_STOP, OPT_ARG_DURATION_STOP),
283         AST_APP_OPTION('t', OPT_CALLEE_TRANSFER),
284         AST_APP_OPTION('T', OPT_CALLER_TRANSFER),
285         AST_APP_OPTION('w', OPT_CALLEE_MONITOR),
286         AST_APP_OPTION('W', OPT_CALLER_MONITOR),
287         AST_APP_OPTION('k', OPT_CALLEE_PARK),
288         AST_APP_OPTION('K', OPT_CALLER_PARK),
289 });
290
291 /* We define a custom "local user" structure because we
292    use it not only for keeping track of what is in use but
293    also for keeping track of who we're dialing. */
294
295 struct dial_localuser {
296         struct ast_channel *chan;
297         unsigned int flags;
298         int forwards;
299         struct dial_localuser *next;
300 };
301
302
303 static void hanguptree(struct dial_localuser *outgoing, struct ast_channel *exception)
304 {
305         /* Hang up a tree of stuff */
306         struct dial_localuser *oo;
307         while (outgoing) {
308                 /* Hangup any existing lines we have open */
309                 if (outgoing->chan && (outgoing->chan != exception))
310                         ast_hangup(outgoing->chan);
311                 oo = outgoing;
312                 outgoing=outgoing->next;
313                 free(oo);
314         }
315 }
316
317 #define AST_MAX_FORWARDS   8
318
319 #define AST_MAX_WATCHERS 256
320
321 /*
322  * argument to handle_cause() and other functions.
323  */
324 struct cause_args {
325         struct ast_channel *chan;
326         int busy;
327         int congestion;
328         int nochan;
329 };
330
331 static void handle_cause(int cause, struct cause_args *num)
332 {
333         struct ast_cdr *cdr = num->chan->cdr;
334
335         switch(cause) {
336         case AST_CAUSE_BUSY:
337                 if (cdr)
338                         ast_cdr_busy(cdr);
339                 num->busy++;
340                 break;
341
342         case AST_CAUSE_CONGESTION:
343                 if (cdr)
344                         ast_cdr_failed(cdr);
345                 num->congestion++;
346                 break;
347
348         case AST_CAUSE_UNREGISTERED:
349                 if (cdr)
350                         ast_cdr_failed(cdr);
351                 num->nochan++;
352                 break;
353
354         case AST_CAUSE_NORMAL_CLEARING:
355                 break;
356
357         default:
358                 num->nochan++;
359                 break;
360         }
361 }
362
363 /* free the buffer if allocated, and set the pointer to the second arg */
364 #define S_REPLACE(s, new_val)           \
365         do {                            \
366                 if (s)                  \
367                         free(s);        \
368                 s = (new_val);          \
369         } while (0)
370
371 static int onedigit_goto(struct ast_channel *chan, const char *context, char exten, int pri) 
372 {
373         char rexten[2] = { exten, '\0' };
374
375         if (context) {
376                 if (!ast_goto_if_exists(chan, context, rexten, pri))
377                         return 1;
378         } else {
379                 if (!ast_goto_if_exists(chan, chan->context, rexten, pri))
380                         return 1;
381                 else if (!ast_strlen_zero(chan->macrocontext)) {
382                         if (!ast_goto_if_exists(chan, chan->macrocontext, rexten, pri))
383                                 return 1;
384                 }
385         }
386         return 0;
387 }
388
389
390 static const char *get_cid_name(char *name, int namelen, struct ast_channel *chan)
391 {
392         const char *context = S_OR(chan->macrocontext, chan->context);
393         const char *exten = S_OR(chan->macroexten, chan->exten);
394
395         return ast_get_hint(NULL, 0, name, namelen, chan, context, exten) ? name : "";
396 }
397
398 static void senddialevent(struct ast_channel *src, struct ast_channel *dst)
399 {
400         manager_event(EVENT_FLAG_CALL, "Dial", 
401                            "SubEvent: Begin\r\n"
402                            "Source: %s\r\n"
403                            "Destination: %s\r\n"
404                            "CallerIDNum: %s\r\n"
405                            "CallerIDName: %s\r\n"
406                            "SrcUniqueID: %s\r\n"
407                            "DestUniqueID: %s\r\n",
408                            src->name, dst->name, S_OR(src->cid.cid_num, "<unknown>"),
409                            S_OR(src->cid.cid_name, "<unknown>"), src->uniqueid,
410                            dst->uniqueid);
411 }
412
413 static void senddialendevent(const struct ast_channel *src, const char *dialstatus)
414 {
415         manager_event(EVENT_FLAG_CALL, "Dial",
416                                         "SubEvent: End\r\n"
417                                         "Channel: %s\r\n"
418                                         "DialStatus: %s\r\n",
419                                         src->name, dialstatus);
420 }       
421
422 /* helper function for wait_for_answer() */
423 static void do_forward(struct dial_localuser *o,
424         struct cause_args *num, struct ast_flags *peerflags, int single)
425 {
426         char tmpchan[256];
427         struct ast_channel *c = o->chan; /* the winner */
428         struct ast_channel *in = num->chan; /* the input channel */
429         char *stuff;
430         char *tech;
431         int cause;
432
433         ast_copy_string(tmpchan, c->call_forward, sizeof(tmpchan));
434         if ((stuff = strchr(tmpchan, '/'))) {
435                 *stuff++ = '\0';
436                 tech = tmpchan;
437         } else {
438                 const char *forward_context = pbx_builtin_getvar_helper(c, "FORWARD_CONTEXT");
439                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", c->call_forward, forward_context ? forward_context : c->context);
440                 stuff = tmpchan;
441                 tech = "Local";
442         }
443         /* Before processing channel, go ahead and check for forwarding */
444         o->forwards++;
445         if (o->forwards < AST_MAX_FORWARDS) {
446                 if (option_verbose > 2)
447                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", in->name, tech, stuff, c->name);
448                 /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
449                 if (ast_test_flag(peerflags, OPT_IGNORE_FORWARDING)) {
450                         if (option_verbose > 2)
451                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n", in->name, tech, stuff);
452                         c = o->chan = NULL;
453                         cause = AST_CAUSE_BUSY;
454                 } else {
455                         /* Setup parameters */
456                         c = o->chan = ast_request(tech, in->nativeformats, stuff, &cause);
457                         if (!c)
458                                 ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
459                         else
460                                 ast_channel_inherit_variables(in, o->chan);
461                 }
462         } else {
463                 if (option_verbose > 2)
464                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", c->name);
465                 cause = AST_CAUSE_CONGESTION;
466                 c = o->chan = NULL;
467         }
468         if (!c) {
469                 ast_clear_flag(o, DIAL_STILLGOING);     
470                 handle_cause(cause, num);
471         } else {
472                 char *new_cid_num, *new_cid_name;
473                 struct ast_channel *src;
474
475                 ast_rtp_make_compatible(c, in, single);
476                 if (ast_test_flag(o, OPT_FORCECLID)) {
477                         new_cid_num = ast_strdup(S_OR(in->macroexten, in->exten));
478                         new_cid_name = NULL; /* XXX no name ? */
479                         src = c;        /* XXX possible bug in previous code, which used 'winner' ? it may have changed */
480                 } else {
481                         new_cid_num = ast_strdup(in->cid.cid_num);
482                         new_cid_name = ast_strdup(in->cid.cid_name);
483                         src = in;
484                 }
485                 ast_string_field_set(c, accountcode, src->accountcode);
486                 c->cdrflags = src->cdrflags;
487                 S_REPLACE(c->cid.cid_num, new_cid_num);
488                 S_REPLACE(c->cid.cid_name, new_cid_name);
489
490                 if (in->cid.cid_ani) { /* XXX or maybe unconditional ? */
491                         S_REPLACE(c->cid.cid_ani, ast_strdup(in->cid.cid_ani));
492                 }
493                 S_REPLACE(c->cid.cid_rdnis, ast_strdup(S_OR(in->macroexten, in->exten)));
494                 if (ast_call(c, tmpchan, 0)) {
495                         ast_log(LOG_NOTICE, "Failed to dial on local channel for call forward to '%s'\n", tmpchan);
496                         ast_clear_flag(o, DIAL_STILLGOING);     
497                         ast_hangup(c);
498                         c = o->chan = NULL;
499                         num->nochan++;
500                 } else {
501                         senddialevent(in, c);
502                         /* After calling, set callerid to extension */
503                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID)) {
504                                 char cidname[AST_MAX_EXTENSION];
505                                 ast_set_callerid(c, S_OR(in->macroexten, in->exten), get_cid_name(cidname, sizeof(cidname), in), NULL);
506                         }
507                 }
508         }
509         /* Hangup the original channel now, in case we needed it */
510         ast_hangup(c);
511 }
512
513 /* argument used for some functions. */
514 struct privacy_args {
515         int sentringing;
516         int privdb_val;
517         char privcid[256];
518         char privintro[1024];
519         char status[256];
520 };
521
522 static struct ast_channel *wait_for_answer(struct ast_channel *in,
523         struct dial_localuser *outgoing, int *to, struct ast_flags *peerflags,
524         struct privacy_args *pa,
525         const struct cause_args *num_in, int priority_jump, int *result)
526 {
527         struct cause_args num = *num_in;
528         int prestart = num.busy + num.congestion + num.nochan;
529         int orig = *to;
530         struct ast_channel *peer = NULL;
531         /* single is set if only one destination is enabled */
532         int single = outgoing && !outgoing->next && !ast_test_flag(outgoing, OPT_MUSICBACK | OPT_RINGBACK);
533         
534         if (single) {
535                 /* Turn off hold music, etc */
536                 ast_deactivate_generator(in);
537                 /* If we are calling a single channel, make them compatible for in-band tone purpose */
538                 ast_channel_make_compatible(outgoing->chan, in);
539         }
540         
541         
542         while (*to && !peer) {
543                 struct dial_localuser *o;
544                 int pos = 0;    /* how many channels do we handle */
545                 int numlines = prestart;
546                 struct ast_channel *winner;
547                 struct ast_channel *watchers[AST_MAX_WATCHERS];
548
549                 watchers[pos++] = in;
550                 for (o = outgoing; o; o = o->next) {
551                         /* Keep track of important channels */
552                         if (ast_test_flag(o, DIAL_STILLGOING) && o->chan)
553                                 watchers[pos++] = o->chan;
554                         numlines++;
555                 }
556                 if (pos == 1) { /* only the input channel is available */
557                         if (numlines == (num.busy + num.congestion + num.nochan)) {
558                                 if (option_verbose > 2)
559                                         ast_verbose( VERBOSE_PREFIX_2 "Everyone is busy/congested at this time (%d:%d/%d/%d)\n", numlines, num.busy, num.congestion, num.nochan);
560                                 if (num.busy)
561                                         strcpy(pa->status, "BUSY");     
562                                 else if (num.congestion)
563                                         strcpy(pa->status, "CONGESTION");
564                                 else if (num.nochan)
565                                         strcpy(pa->status, "CHANUNAVAIL");
566                                 if (ast_opt_priority_jumping || priority_jump)
567                                         ast_goto_if_exists(in, in->context, in->exten, in->priority + 101);
568                         } else {
569                                 if (option_verbose > 2)
570                                         ast_verbose(VERBOSE_PREFIX_3 "No one is available to answer at this time (%d:%d/%d/%d)\n", numlines, num.busy, num.congestion, num.nochan);
571                         }
572                         *to = 0;
573                         return NULL;
574                 }
575                 winner = ast_waitfor_n(watchers, pos, to);
576                 for (o = outgoing; o; o = o->next) {
577                         struct ast_frame *f;
578                         struct ast_channel *c = o->chan;
579
580                         if (c == NULL)
581                                 continue;
582                         if (ast_test_flag(o, DIAL_STILLGOING) && c->_state == AST_STATE_UP) {
583                                 if (!peer) {
584                                         if (option_verbose > 2)
585                                                 ast_verbose(VERBOSE_PREFIX_3 "%s answered %s\n", c->name, in->name);
586                                         peer = c;
587                                         ast_copy_flags(peerflags, o,
588                                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
589                                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
590                                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
591                                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
592                                                        DIAL_NOFORWARDHTML);
593                                         ast_copy_string(c->context, "", sizeof(c->context));
594                                         ast_copy_string(c->exten, "", sizeof(c->exten));
595                                 }
596                                 continue;
597                         }
598                         if (c != winner)
599                                 continue;
600                         /* here, o->chan == c == winner */
601                         if (!ast_strlen_zero(c->call_forward)) {
602                                 do_forward(o, &num, peerflags, single);
603                                 continue;
604                         }
605                         f = ast_read(winner);
606                         if (!f) {
607                                 in->hangupcause = c->hangupcause;
608                                 ast_hangup(c);
609                                 c = o->chan = NULL;
610                                 ast_clear_flag(o, DIAL_STILLGOING);
611                                 handle_cause(in->hangupcause, &num);
612                                 continue;
613                         }
614                         if (f->frametype == AST_FRAME_CONTROL) {
615                                 switch(f->subclass) {
616                                 case AST_CONTROL_ANSWER:
617                                         /* This is our guy if someone answered. */
618                                         if (!peer) {
619                                                 if (option_verbose > 2)
620                                                         ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", c->name, in->name);
621                                                 peer = c;
622                                                 ast_copy_flags(peerflags, o,
623                                                                OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
624                                                                OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
625                                                                OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
626                                                                OPT_CALLEE_PARK | OPT_CALLER_PARK |
627                                                                DIAL_NOFORWARDHTML);
628                                                 ast_copy_string(c->context, "", sizeof(c->context));
629                                                 ast_copy_string(c->exten, "", sizeof(c->exten));
630                                                 /* Setup early bridge if appropriate */
631                                                 ast_channel_early_bridge(in, peer);
632                                         }
633                                         /* If call has been answered, then the eventual hangup is likely to be normal hangup */
634                                         in->hangupcause = AST_CAUSE_NORMAL_CLEARING;
635                                         c->hangupcause = AST_CAUSE_NORMAL_CLEARING;
636                                         break;
637                                 case AST_CONTROL_BUSY:
638                                         if (option_verbose > 2)
639                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is busy\n", c->name);
640                                         in->hangupcause = c->hangupcause;
641                                         ast_hangup(c);
642                                         c = o->chan = NULL;
643                                         ast_clear_flag(o, DIAL_STILLGOING);     
644                                         handle_cause(AST_CAUSE_BUSY, &num);
645                                         break;
646                                 case AST_CONTROL_CONGESTION:
647                                         if (option_verbose > 2)
648                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is circuit-busy\n", c->name);
649                                         in->hangupcause = c->hangupcause;
650                                         ast_hangup(c);
651                                         c = o->chan = NULL;
652                                         ast_clear_flag(o, DIAL_STILLGOING);
653                                         handle_cause(AST_CAUSE_CONGESTION, &num);
654                                         break;
655                                 case AST_CONTROL_RINGING:
656                                         if (option_verbose > 2)
657                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is ringing\n", c->name);
658                                         /* Setup early media if appropriate */
659                                         if (single)
660                                                 ast_channel_early_bridge(in, c);
661                                         if (!(pa->sentringing) && !ast_test_flag(outgoing, OPT_MUSICBACK)) {
662                                                 ast_indicate(in, AST_CONTROL_RINGING);
663                                                 pa->sentringing++;
664                                         }
665                                         break;
666                                 case AST_CONTROL_PROGRESS:
667                                         if (option_verbose > 2)
668                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is making progress passing it to %s\n", c->name, in->name);
669                                         /* Setup early media if appropriate */
670                                         if (single)
671                                                 ast_channel_early_bridge(in, c);
672                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
673                                                 ast_indicate(in, AST_CONTROL_PROGRESS);
674                                         break;
675                                 case AST_CONTROL_VIDUPDATE:
676                                         if (option_verbose > 2)
677                                                 ast_verbose (VERBOSE_PREFIX_3 "%s requested a video update, passing it to %s\n", c->name, in->name);
678                                         ast_indicate(in, AST_CONTROL_VIDUPDATE);
679                                         break;
680                                 case AST_CONTROL_PROCEEDING:
681                                         if (option_verbose > 2)
682                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is proceeding passing it to %s\n", c->name, in->name);
683                                         if (single)
684                                                 ast_channel_early_bridge(in, c);
685                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
686                                                 ast_indicate(in, AST_CONTROL_PROCEEDING);
687                                         break;
688                                 case AST_CONTROL_HOLD:
689                                         if (option_verbose > 2)
690                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s placed on hold\n", c->name);
691                                         ast_indicate(in, AST_CONTROL_HOLD);
692                                         break;
693                                 case AST_CONTROL_UNHOLD:
694                                         if (option_verbose > 2)
695                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s left from hold\n", c->name);
696                                         ast_indicate(in, AST_CONTROL_UNHOLD);
697                                         break;
698                                 case AST_CONTROL_OFFHOOK:
699                                 case AST_CONTROL_FLASH:
700                                         /* Ignore going off hook and flash */
701                                         break;
702                                 case -1:
703                                         if (!ast_test_flag(outgoing, OPT_RINGBACK | OPT_MUSICBACK)) {
704                                                 if (option_verbose > 2)
705                                                         ast_verbose(VERBOSE_PREFIX_3 "%s stopped sounds\n", c->name);
706                                                 ast_indicate(in, -1);
707                                                 pa->sentringing = 0;
708                                         }
709                                         break;
710                                 default:
711                                         if (option_debug)
712                                                 ast_log(LOG_DEBUG, "Dunno what to do with control type %d\n", f->subclass);
713                                 }
714                         } else if (single) {
715                                 /* XXX are we sure the logic is correct ? or we should just switch on f->frametype ? */
716                                 if (f->frametype == AST_FRAME_VOICE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
717                                         if (ast_write(in, f)) 
718                                                 ast_log(LOG_WARNING, "Unable to forward voice frame\n");
719                                 } else if (f->frametype == AST_FRAME_IMAGE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
720                                         if (ast_write(in, f))
721                                                 ast_log(LOG_WARNING, "Unable to forward image\n");
722                                 } else if (f->frametype == AST_FRAME_TEXT && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
723                                         if (ast_write(in, f))
724                                                 ast_log(LOG_WARNING, "Unable to send text\n");
725                                 } else if (f->frametype == AST_FRAME_HTML && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML)) {
726                                         if (ast_channel_sendhtml(in, f->subclass, f->data, f->datalen) == -1)
727                                                 ast_log(LOG_WARNING, "Unable to send URL\n");
728                                 }
729                         }
730                         ast_frfree(f);
731                 } /* end for */
732                 if (winner == in) {
733                         struct ast_frame *f = ast_read(in);
734 #if 0
735                         if (f && (f->frametype != AST_FRAME_VOICE))
736                                 printf("Frame type: %d, %d\n", f->frametype, f->subclass);
737                         else if (!f || (f->frametype != AST_FRAME_VOICE))
738                                 printf("Hangup received on %s\n", in->name);
739 #endif
740                         if (!f || ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP))) {
741                                 /* Got hung up */
742                                 *to = -1;
743                                 strcpy(pa->status, "CANCEL");
744                                 if (f)
745                                         ast_frfree(f);
746                                 return NULL;
747                         }
748
749                         /* now f is guaranteed non-NULL */
750                         if (f->frametype == AST_FRAME_DTMF) {
751                                 if (ast_test_flag(peerflags, OPT_DTMF_EXIT)) {
752                                         const char *context = pbx_builtin_getvar_helper(in, "EXITCONTEXT");
753                                         if (onedigit_goto(in, context, (char) f->subclass, 1)) {
754                                                 if (option_verbose > 2)
755                                                         ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
756                                                 *to=0;
757                                                 *result = f->subclass;
758                                                 strcpy(pa->status, "CANCEL");
759                                                 ast_frfree(f);
760                                                 return NULL;
761                                         }
762                                 }
763
764                                 if (ast_test_flag(peerflags, OPT_CALLER_HANGUP) && 
765                                                   (f->subclass == '*')) { /* hmm it it not guaranteed to be '*' anymore. */
766                                         if (option_verbose > 2)
767                                                 ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
768                                         *to=0;
769                                         strcpy(pa->status, "CANCEL");
770                                         ast_frfree(f);
771                                         return NULL;
772                                 }
773                         }
774
775                         /* Forward HTML stuff */
776                         if (single && (f->frametype == AST_FRAME_HTML) && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML)) 
777                                 if(ast_channel_sendhtml(outgoing->chan, f->subclass, f->data, f->datalen) == -1)
778                                         ast_log(LOG_WARNING, "Unable to send URL\n");
779                         
780
781                         if (single && ((f->frametype == AST_FRAME_VOICE) || (f->frametype == AST_FRAME_DTMF)))  {
782                                 if (ast_write(outgoing->chan, f))
783                                         ast_log(LOG_WARNING, "Unable to forward voice\n");
784                         }
785                         if (single && (f->frametype == AST_FRAME_CONTROL) && 
786                                 ((f->subclass == AST_CONTROL_HOLD) || 
787                                  (f->subclass == AST_CONTROL_UNHOLD) || 
788                                  (f->subclass == AST_CONTROL_VIDUPDATE))) {
789                                 if (option_verbose > 2)
790                                         ast_verbose(VERBOSE_PREFIX_3 "%s requested special control %d, passing it to %s\n", in->name, f->subclass, outgoing->chan->name);
791                                 ast_indicate_data(outgoing->chan, f->subclass, f->data, f->datalen);
792                         }
793                         ast_frfree(f);
794                 }
795                 if (!*to && (option_verbose > 2))
796                         ast_verbose(VERBOSE_PREFIX_3 "Nobody picked up in %d ms\n", orig);
797         }
798
799         return peer;
800 }
801
802 static void replace_macro_delimiter(char *s)
803 {
804         for (; *s; s++)
805                 if (*s == '^')
806                         *s = '|';
807 }
808
809
810 /* returns true if there is a valid privacy reply */
811 static int valid_priv_reply(struct ast_flags *opts, int res)
812 {
813         if (res < '1')
814                 return 0;
815         if (ast_test_flag(opts, OPT_PRIVACY) && res <= '5')
816                 return 1;
817         if (ast_test_flag(opts, OPT_SCREENING) && res <= '4')
818                 return 1;
819         return 0;
820 }
821
822 static int do_timelimit(struct ast_channel *chan, struct ast_bridge_config *config,
823         char *parse, unsigned int *calldurationlimit)
824 {
825         char *limit_str, *warning_str, *warnfreq_str;
826         const char *var;
827         int play_to_caller=0,play_to_callee=0;
828         int delta;
829
830         limit_str = strsep(&warnfreq_str, ":");
831         warning_str = strsep(&warnfreq_str, ":");
832         warnfreq_str = parse;
833
834         config->timelimit = atol(limit_str);
835         if (warning_str)
836                 config->play_warning = atol(warning_str);
837         if (warnfreq_str)
838                 config->warning_freq = atol(warnfreq_str);
839
840         if (!config->timelimit) {
841                 ast_log(LOG_WARNING, "Dial does not accept L(%s), hanging up.\n", limit_str);
842                 config->timelimit = config->play_warning = config->warning_freq = 0;
843                 config->warning_sound = NULL;
844                 return -1;      /* error */
845         } else if ( (delta = config->play_warning - config->timelimit) > 0) {
846                 int w = config->warning_freq;
847
848                 /* If the first warning is requested _after_ the entire call would end,
849                    and no warning frequency is requested, then turn off the warning. If
850                    a warning frequency is requested, reduce the 'first warning' time by
851                    that frequency until it falls within the call's total time limit.
852                    Graphically:
853                                   timelim->|    delta        |<-playwarning
854                         0__________________|_________________|
855                                          | w  |    |    |    |
856
857                    so the number of intervals to cut is 1+(delta-1)/w
858                 */
859
860                 if (w == 0) {
861                         config->play_warning = 0;
862                 } else {
863                         config->play_warning -= w * ( 1 + (delta-1)/w );
864                         if (config->play_warning < 1)
865                                 config->play_warning = config->warning_freq = 0;
866                 }
867         }
868
869         var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLER");
870         play_to_caller = var ? ast_true(var) : 1;
871         
872         var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLEE");
873         play_to_callee = var ? ast_true(var) : 0;
874         
875         if (!play_to_caller && !play_to_callee)
876                 play_to_caller = 1;
877         
878         var = pbx_builtin_getvar_helper(chan,"LIMIT_WARNING_FILE");
879         config->warning_sound = S_OR(var, "timeleft");
880
881         /* The code looking at config wants a NULL, not just "", to decide
882          * that the message should not be played, so we replace "" with NULL.
883          * Note, pbx_builtin_getvar_helper _can_ return NULL if the variable is
884          * not found.
885          */
886         var = pbx_builtin_getvar_helper(chan,"LIMIT_TIMEOUT_FILE");
887         config->end_sound = S_OR(var, NULL);
888         var = pbx_builtin_getvar_helper(chan,"LIMIT_CONNECT_FILE");
889         config->start_sound = S_OR(var, NULL);
890
891         /* undo effect of S(x) in case they are both used */
892         *calldurationlimit = 0;
893         /* more efficient to do it like S(x) does since no advanced opts */
894         if (!config->play_warning && !config->start_sound && !config->end_sound && config->timelimit) {
895                 *calldurationlimit = config->timelimit / 1000;
896                 if (option_verbose > 2)
897                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n",
898                                 *calldurationlimit);
899                 config->timelimit = play_to_caller = play_to_callee =
900                 config->play_warning = config->warning_freq = 0;
901         } else if (option_verbose > 2) {
902                 ast_verbose(VERBOSE_PREFIX_3 "Limit Data for this call:\n");
903                 ast_verbose(VERBOSE_PREFIX_4 "timelimit      = %ld\n", config->timelimit);
904                 ast_verbose(VERBOSE_PREFIX_4 "play_warning   = %ld\n", config->play_warning);
905                 ast_verbose(VERBOSE_PREFIX_4 "play_to_caller = %s\n", play_to_caller ? "yes" : "no");
906                 ast_verbose(VERBOSE_PREFIX_4 "play_to_callee = %s\n", play_to_callee ? "yes" : "no");
907                 ast_verbose(VERBOSE_PREFIX_4 "warning_freq   = %ld\n", config->warning_freq);
908                 ast_verbose(VERBOSE_PREFIX_4 "start_sound    = %s\n", S_OR(config->start_sound, ""));
909                 ast_verbose(VERBOSE_PREFIX_4 "warning_sound  = %s\n", config->warning_sound);
910                 ast_verbose(VERBOSE_PREFIX_4 "end_sound      = %s\n", S_OR(config->end_sound, ""));
911         }
912         if (play_to_caller)
913                 ast_set_flag(&(config->features_caller), AST_FEATURE_PLAY_WARNING);
914         if (play_to_callee)
915                 ast_set_flag(&(config->features_callee), AST_FEATURE_PLAY_WARNING);
916         return 0;
917 }
918
919 static int do_privacy(struct ast_channel *chan, struct ast_channel *peer,
920     struct ast_flags *opts, char **opt_args, struct privacy_args *pa)
921 {
922
923         int res2;
924         int loopcount = 0;
925
926         /* Get the user's intro, store it in priv-callerintros/$CID, 
927            unless it is already there-- this should be done before the 
928            call is actually dialed  */
929
930         /* all ring indications and moh for the caller has been halted as soon as the 
931            target extension was picked up. We are going to have to kill some
932            time and make the caller believe the peer hasn't picked up yet */
933
934         if (ast_test_flag(opts, OPT_MUSICBACK) && !ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
935                 ast_indicate(chan, -1);
936                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
937         } else if (ast_test_flag(opts, OPT_RINGBACK)) {
938                 ast_indicate(chan, AST_CONTROL_RINGING);
939                 pa->sentringing++;
940         }
941
942         /* Start autoservice on the other chan ?? */
943         res2 = ast_autoservice_start(chan);
944         /* Now Stream the File */
945         for (loopcount = 0; loopcount < 3; loopcount++) {
946                 if (res2 && loopcount == 0)     /* error in ast_autoservice_start() */
947                         break;
948                 if (!res2)      /* on timeout, play the message again */
949                         res2 = ast_play_and_wait(peer,"priv-callpending");
950                 if (!valid_priv_reply(opts, res2))
951                         res2 = 0;
952                 /* priv-callpending script: 
953                    "I have a caller waiting, who introduces themselves as:"
954                 */
955                 if (!res2)
956                         res2 = ast_play_and_wait(peer, pa->privintro);
957                 if (!valid_priv_reply(opts, res2))
958                         res2 = 0;
959                 /* now get input from the called party, as to their choice */
960                 if( !res2 ) {
961                         /* XXX can we have both, or they are mutually exclusive ? */
962                         if( ast_test_flag(opts, OPT_PRIVACY) )
963                                 res2 = ast_play_and_wait(peer,"priv-callee-options");
964                         if( ast_test_flag(opts, OPT_SCREENING) )
965                                 res2 = ast_play_and_wait(peer,"screen-callee-options");
966                 }
967                 /*! \page DialPrivacy Dial Privacy scripts
968                 \par priv-callee-options script:
969                         "Dial 1 if you wish this caller to reach you directly in the future,
970                                 and immediately connect to their incoming call
971                          Dial 2 if you wish to send this caller to voicemail now and 
972                                 forevermore.
973                          Dial 3 to send this caller to the torture menus, now and forevermore.
974                          Dial 4 to send this caller to a simple "go away" menu, now and forevermore.
975                          Dial 5 to allow this caller to come straight thru to you in the future,
976                                 but right now, just this once, send them to voicemail."
977                 \par screen-callee-options script:
978                         "Dial 1 if you wish to immediately connect to the incoming call
979                          Dial 2 if you wish to send this caller to voicemail.
980                          Dial 3 to send this caller to the torture menus.
981                          Dial 4 to send this caller to a simple "go away" menu.
982                 */
983                 if (valid_priv_reply(opts, res2))
984                         break;
985                 /* invalid option */
986                 res2 = ast_play_and_wait(peer, "vm-sorry");
987         }
988
989         if (ast_test_flag(opts, OPT_MUSICBACK)) {
990                 ast_moh_stop(chan);
991         } else if (ast_test_flag(opts, OPT_RINGBACK)) {
992                 ast_indicate(chan, -1);
993                 pa->sentringing=0;
994         }
995         ast_autoservice_stop(chan);
996         if(ast_test_flag(opts, OPT_PRIVACY) && (res2 >= '1' && res2 <= '5')) {
997                 /* map keypresses to various things, the index is res2 - '1' */
998                 static const char *_val[] = { "ALLOW", "DENY", "TORTURE", "KILL", "ALLOW" };
999                 static const int _flag[] = { AST_PRIVACY_ALLOW, AST_PRIVACY_DENY, AST_PRIVACY_TORTURE, AST_PRIVACY_KILL, AST_PRIVACY_ALLOW};
1000                 int i = res2 - '1';
1001                 if (option_verbose > 2)
1002                         ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to %s\n",
1003                                              opt_args[OPT_ARG_PRIVACY], pa->privcid, _val[i]);
1004                 ast_privacy_set(opt_args[OPT_ARG_PRIVACY], pa->privcid, _flag[i]);
1005         }
1006         switch (res2) {
1007         case '1':
1008                 break;
1009         case '2':
1010                 ast_copy_string(pa->status, "NOANSWER", sizeof(pa->status));
1011                 break;
1012         case '3':
1013                 ast_copy_string(pa->status, "TORTURE", sizeof(pa->status));
1014                 break;
1015         case '4':
1016                 ast_copy_string(pa->status, "DONTCALL", sizeof(pa->status));
1017                 break;
1018         case '5':
1019                 /* XXX should we set status to DENY ? */
1020                 if( ast_test_flag(opts, OPT_PRIVACY) )
1021                         break;
1022                 /* if not privacy, then 5 is the same as "default" case */
1023         default:        /* bad input or -1 if failure to start autoservice */
1024                 /* well, if the user messes up, ... he had his chance... What Is The Best Thing To Do?  */
1025                 /* well, there seems basically two choices. Just patch the caller thru immediately,
1026                           or,... put 'em thru to voicemail. */
1027                 /* since the callee may have hung up, let's do the voicemail thing, no database decision */
1028                 ast_log(LOG_NOTICE, "privacy: no valid response from the callee. Sending the caller to voicemail, the callee isn't responding\n");
1029                 /* XXX should we set status to DENY ? */
1030                 /* XXX what about the privacy flags ? */
1031                 break;
1032         }
1033
1034         if (res2 == '1') {      /* the only case where we actually connect */
1035                 /* if the intro is NOCALLERID, then there's no reason to leave it on disk, it'll 
1036                    just clog things up, and it's not useful information, not being tied to a CID */
1037                 if( strncmp(pa->privcid,"NOCALLERID",10) == 0 || ast_test_flag(opts, OPT_SCREEN_NOINTRO) ) {
1038                         ast_filedelete(pa->privintro, NULL);
1039                         if( ast_fileexists(pa->privintro, NULL, NULL ) > 0 )
1040                                 ast_log(LOG_NOTICE, "privacy: ast_filedelete didn't do its job on %s\n", pa->privintro);
1041                         else if (option_verbose > 2)
1042                                 ast_verbose(VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", pa->privintro);
1043                 }
1044                 return 0;       /* the good exit path */
1045         } else {
1046                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1047                 return -1;
1048         }
1049 }
1050
1051 static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags *peerflags)
1052 {
1053         int res = -1;   /* default: error */
1054         struct ast_module_user *u;
1055         char *rest, *cur;       /* scan the list of destinations */
1056         struct dial_localuser *outgoing = NULL; /* list of destinations */
1057         struct ast_channel *peer;
1058         int to; /* timeout */
1059         struct cause_args num = { chan, 0, 0, 0 };
1060         int cause;
1061         char numsubst[AST_MAX_EXTENSION];
1062         char cidname[AST_MAX_EXTENSION];
1063
1064         struct ast_bridge_config config;
1065         unsigned int calldurationlimit = 0;
1066         char *dtmfcalled = NULL, *dtmfcalling = NULL;
1067         struct privacy_args pa = {
1068                 .sentringing = 0,
1069                 .privdb_val = 0,
1070         };
1071         int sentringing = 0, moh = 0;
1072         const char *outbound_group = NULL;
1073         int result = 0;
1074         time_t start_time;
1075         char *parse;
1076         int opermode = 0;
1077         AST_DECLARE_APP_ARGS(args,
1078                              AST_APP_ARG(peers);
1079                              AST_APP_ARG(timeout);
1080                              AST_APP_ARG(options);
1081                              AST_APP_ARG(url);
1082         );
1083         struct ast_flags opts = { 0, };
1084         char *opt_args[OPT_ARG_ARRAY_SIZE];
1085
1086         if (ast_strlen_zero(data)) {
1087                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
1088                 return -1;
1089         }
1090
1091         u = ast_module_user_add(chan);  /* XXX is this the right place ? */
1092
1093         parse = ast_strdupa(data);
1094
1095         AST_STANDARD_APP_ARGS(args, parse);
1096
1097         memset(&config,0,sizeof(struct ast_bridge_config));
1098
1099         if (!ast_strlen_zero(args.options) &&
1100                         ast_app_parse_options(dial_exec_options, &opts, opt_args, args.options))
1101                 goto done;
1102
1103         if (ast_strlen_zero(args.peers)) {
1104                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
1105                 goto done;
1106         }
1107
1108         if (ast_test_flag(&opts, OPT_OPERMODE)) {
1109                 opermode = ast_strlen_zero(opt_args[OPT_ARG_OPERMODE]) ? 1 : atoi(opt_args[OPT_ARG_OPERMODE]);
1110                 if (option_verbose > 2)
1111                         ast_verbose(VERBOSE_PREFIX_3 "Setting operator services mode to %d.\n", opermode);
1112         }
1113         
1114         if (ast_test_flag(&opts, OPT_DURATION_STOP) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_STOP])) {
1115                 calldurationlimit = atoi(opt_args[OPT_ARG_DURATION_STOP]);
1116                 if (!calldurationlimit) {
1117                         ast_log(LOG_WARNING, "Dial does not accept S(%s), hanging up.\n", opt_args[OPT_ARG_DURATION_STOP]);
1118                         goto done;
1119                 }
1120                 if (option_verbose > 2)
1121                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n", calldurationlimit);
1122         }
1123
1124         if (ast_test_flag(&opts, OPT_SENDDTMF) && !ast_strlen_zero(opt_args[OPT_ARG_SENDDTMF])) {
1125                 dtmfcalling = opt_args[OPT_ARG_SENDDTMF];
1126                 dtmfcalled = strsep(&dtmfcalling, ":");
1127         }
1128
1129         if (ast_test_flag(&opts, OPT_DURATION_LIMIT) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_LIMIT])) {
1130                 if (do_timelimit(chan, &config, opt_args[OPT_ARG_DURATION_LIMIT], &calldurationlimit))
1131                         goto done;
1132         }
1133
1134         if (ast_test_flag(&opts, OPT_RESETCDR) && chan->cdr)
1135                 ast_cdr_reset(chan->cdr, NULL);
1136         if (ast_test_flag(&opts, OPT_PRIVACY) && ast_strlen_zero(opt_args[OPT_ARG_PRIVACY]))
1137                 opt_args[OPT_ARG_PRIVACY] = ast_strdupa(chan->exten);
1138         if (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) {
1139                 char callerid[60];
1140                 char *l = chan->cid.cid_num;    /* XXX watch out, we are overwriting it */
1141                 if (!ast_strlen_zero(l)) {
1142                         ast_shrink_phone_number(l);
1143                         if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1144                                 if (option_verbose > 2)
1145                                         ast_verbose(VERBOSE_PREFIX_3  "Privacy DB is '%s', clid is '%s'\n",
1146                                                      opt_args[OPT_ARG_PRIVACY], l);
1147                                 pa.privdb_val = ast_privacy_check(opt_args[OPT_ARG_PRIVACY], l);
1148                         }
1149                         else {
1150                                 if (option_verbose > 2)
1151                                         ast_verbose(VERBOSE_PREFIX_3  "Privacy Screening, clid is '%s'\n", l);
1152                                 pa.privdb_val = AST_PRIVACY_UNKNOWN;
1153                         }
1154                 } else {
1155                         char *tnam, *tn2;
1156
1157                         tnam = ast_strdupa(chan->name);
1158                         /* clean the channel name so slashes don't try to end up in disk file name */
1159                         for(tn2 = tnam; *tn2; tn2++) {
1160                                 if( *tn2=='/')
1161                                         *tn2 = '=';  /* any other chars to be afraid of? */
1162                         }
1163                         if (option_verbose > 2)
1164                                 ast_verbose(VERBOSE_PREFIX_3  "Privacy-- callerid is empty\n");
1165
1166                         snprintf(callerid, sizeof(callerid), "NOCALLERID_%s%s", chan->exten, tnam);
1167                         l = callerid;
1168                         pa.privdb_val = AST_PRIVACY_UNKNOWN;
1169                 }
1170                 
1171                 ast_copy_string(pa.privcid,l,sizeof(pa.privcid));
1172
1173                 if( strncmp(pa.privcid,"NOCALLERID",10) != 0 && ast_test_flag(&opts, OPT_SCREEN_NOCLID) ) { /* if callerid is set, and ast_test_flag(&opts, OPT_SCREEN_NOCLID) is set also */  
1174                         if (option_verbose > 2)
1175                                 ast_verbose( VERBOSE_PREFIX_3  "CallerID set (%s); N option set; Screening should be off\n", pa.privcid);
1176                         pa.privdb_val = AST_PRIVACY_ALLOW;
1177                 }
1178                 else if(ast_test_flag(&opts, OPT_SCREEN_NOCLID) && strncmp(pa.privcid,"NOCALLERID",10) == 0 ) {
1179                         if (option_verbose > 2)
1180                                 ast_verbose( VERBOSE_PREFIX_3  "CallerID blank; N option set; Screening should happen; dbval is %d\n", pa.privdb_val);
1181                 }
1182                 
1183                 if(pa.privdb_val == AST_PRIVACY_DENY ) {
1184                         ast_copy_string(pa.status, "NOANSWER", sizeof(pa.status));
1185                         if (option_verbose > 2)
1186                                 ast_verbose( VERBOSE_PREFIX_3  "Privacy DB reports PRIVACY_DENY for this callerid. Dial reports unavailable\n");
1187                         res=0;
1188                         goto out;
1189                 }
1190                 else if(pa.privdb_val == AST_PRIVACY_KILL ) {
1191                         ast_copy_string(pa.status, "DONTCALL", sizeof(pa.status));
1192                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1193                                 ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 201);
1194                         }
1195                         res = 0;
1196                         goto out; /* Is this right? */
1197                 }
1198                 else if(pa.privdb_val == AST_PRIVACY_TORTURE ) {
1199                         ast_copy_string(pa.status, "TORTURE", sizeof(pa.status));
1200                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1201                                 ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 301);
1202                         }
1203                         res = 0;
1204                         goto out; /* is this right??? */
1205                 }
1206                 else if(pa.privdb_val == AST_PRIVACY_UNKNOWN ) {
1207                         /* Get the user's intro, store it in priv-callerintros/$CID, 
1208                            unless it is already there-- this should be done before the 
1209                            call is actually dialed  */
1210
1211                         /* make sure the priv-callerintros dir actually exists */
1212                         snprintf(pa.privintro, sizeof(pa.privintro), "%s/sounds/priv-callerintros", ast_config_AST_DATA_DIR);
1213                         if (mkdir(pa.privintro, 0755) && errno != EEXIST) {
1214                                 ast_log(LOG_WARNING, "privacy: can't create directory priv-callerintros: %s\n", strerror(errno));
1215                                 res = -1;
1216                                 goto out;
1217                         }
1218
1219                         snprintf(pa.privintro,sizeof(pa.privintro), "priv-callerintros/%s", pa.privcid);
1220                         if( ast_fileexists(pa.privintro,NULL,NULL ) > 0 && strncmp(pa.privcid,"NOCALLERID",10) != 0) {
1221                                 /* the DELUX version of this code would allow this caller the
1222                                    option to hear and retape their previously recorded intro.
1223                                 */
1224                         }
1225                         else {
1226                                 int duration; /* for feedback from play_and_wait */
1227                                 /* the file doesn't exist yet. Let the caller submit his
1228                                    vocal intro for posterity */
1229                                 /* priv-recordintro script:
1230
1231                                    "At the tone, please say your name:"
1232
1233                                 */
1234                                 res = ast_play_and_record(chan, "priv-recordintro", pa.privintro, 4, "gsm", &duration, 128, 2000, 0);  /* NOTE: I've reduced the total time to 4 sec */
1235                                                                                 /* don't think we'll need a lock removed, we took care of
1236                                                                                    conflicts by naming the pa.privintro file */
1237                                 if (res == -1) {
1238                                         /* Delete the file regardless since they hung up during recording */
1239                                         ast_filedelete(pa.privintro, NULL);
1240                                         if( ast_fileexists(pa.privintro,NULL,NULL ) > 0 )
1241                                                 ast_log(LOG_NOTICE,"privacy: ast_filedelete didn't do its job on %s\n", pa.privintro);
1242                                         else if (option_verbose > 2)
1243                                                 ast_verbose( VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", pa.privintro);
1244                                         goto out;
1245                                 }
1246                                 if( !ast_streamfile(chan, "vm-dialout", chan->language) )
1247                                         ast_waitstream(chan, "");
1248                         }
1249                 }
1250         }
1251
1252         /* If a channel group has been specified, get it for use when we create peer channels */
1253         outbound_group = pbx_builtin_getvar_helper(chan, "OUTBOUND_GROUP");
1254
1255         ast_copy_flags(peerflags, &opts, OPT_DTMF_EXIT | OPT_GO_ON | OPT_ORIGINAL_CLID | OPT_CALLER_HANGUP | OPT_IGNORE_FORWARDING);
1256         /* loop through the list of dial destinations */
1257         rest = args.peers;
1258         while ((cur = strsep(&rest, "&")) ) {
1259                 struct dial_localuser *tmp;
1260                 /* Get a technology/[device:]number pair */
1261                 char *number = cur;
1262                 char *tech = strsep(&number, "/");
1263                 if (!number) {
1264                         ast_log(LOG_WARNING, "Dial argument takes format (technology/[device:]number1)\n");
1265                         goto out;
1266                 }
1267                 if (!(tmp = ast_calloc(1, sizeof(*tmp))))
1268                         goto out;
1269                 if (opts.flags) {
1270                         ast_copy_flags(tmp, &opts,
1271                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
1272                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
1273                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
1274                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
1275                                        OPT_RINGBACK | OPT_MUSICBACK | OPT_FORCECLID);
1276                         ast_set2_flag(tmp, args.url, DIAL_NOFORWARDHTML);       
1277                 }
1278                 ast_copy_string(numsubst, number, sizeof(numsubst));
1279                 /* Request the peer */
1280                 tmp->chan = ast_request(tech, chan->nativeformats, numsubst, &cause);
1281                 if (!tmp->chan) {
1282                         /* If we can't, just go on to the next call */
1283                         ast_log(LOG_WARNING, "Unable to create channel of type '%s' (cause %d - %s)\n", tech, cause, ast_cause2str(cause));
1284                         handle_cause(cause, &num);
1285                         if (!rest)      /* we are on the last destination */
1286                                 chan->hangupcause = cause;
1287                         continue;
1288                 }
1289                 pbx_builtin_setvar_helper(tmp->chan, "DIALEDPEERNUMBER", numsubst);
1290                 if (!ast_strlen_zero(tmp->chan->call_forward)) {
1291                         char tmpchan[256];
1292                         char *stuff;
1293                         char *tech;
1294                         ast_copy_string(tmpchan, tmp->chan->call_forward, sizeof(tmpchan));
1295                         if ((stuff = strchr(tmpchan, '/'))) {
1296                                 *stuff++ = '\0';
1297                                 tech = tmpchan;
1298                         } else {
1299                                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", tmp->chan->call_forward, tmp->chan->context);
1300                                 stuff = tmpchan;
1301                                 tech = "Local";
1302                         }
1303                         tmp->forwards++;
1304                         if (tmp->forwards < AST_MAX_FORWARDS) {
1305                                 if (option_verbose > 2)
1306                                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", chan->name, tech, stuff, tmp->chan->name);
1307                                 ast_hangup(tmp->chan);
1308                                 /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
1309                                 if (ast_test_flag(&opts, OPT_IGNORE_FORWARDING)) {
1310                                         tmp->chan = NULL;
1311                                         cause = AST_CAUSE_BUSY;
1312                                         if (option_verbose > 2)
1313                                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n", chan->name, tech, stuff);
1314                                 } else {
1315                                         tmp->chan = ast_request(tech, chan->nativeformats, stuff, &cause);
1316                                 }
1317                                 if (!tmp->chan)
1318                                         ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
1319                                 else
1320                                         ast_channel_inherit_variables(chan, tmp->chan);
1321                         } else {
1322                                 if (option_verbose > 2)
1323                                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", tmp->chan->name);
1324                                 ast_hangup(tmp->chan);
1325                                 tmp->chan = NULL;
1326                                 cause = AST_CAUSE_CONGESTION;
1327                         }
1328                         if (!tmp->chan) {
1329                                 handle_cause(cause, &num);
1330                                 continue;
1331                         }
1332                 }
1333
1334                 /* Setup outgoing SDP to match incoming one */
1335                 ast_rtp_make_compatible(tmp->chan, chan, !outgoing && !rest);
1336                 
1337                 /* Inherit specially named variables from parent channel */
1338                 ast_channel_inherit_variables(chan, tmp->chan);
1339
1340                 tmp->chan->appl = "AppDial";
1341                 tmp->chan->data = "(Outgoing Line)";
1342                 tmp->chan->whentohangup = 0;
1343
1344                 S_REPLACE(tmp->chan->cid.cid_num, ast_strdup(chan->cid.cid_num));
1345                 S_REPLACE(tmp->chan->cid.cid_name, ast_strdup(chan->cid.cid_name));
1346                 S_REPLACE(tmp->chan->cid.cid_ani, ast_strdup(chan->cid.cid_ani));
1347                 S_REPLACE(tmp->chan->cid.cid_rdnis, ast_strdup(chan->cid.cid_rdnis));
1348                 
1349                 /* Copy language from incoming to outgoing */
1350                 ast_string_field_set(tmp->chan, language, chan->language);
1351                 ast_string_field_set(tmp->chan, accountcode, chan->accountcode);
1352                 tmp->chan->cdrflags = chan->cdrflags;
1353                 if (ast_strlen_zero(tmp->chan->musicclass))
1354                         ast_string_field_set(tmp->chan, musicclass, chan->musicclass);
1355                 /* Pass callingpres setting */
1356                 tmp->chan->cid.cid_pres = chan->cid.cid_pres;
1357                 /* Pass type of number */
1358                 tmp->chan->cid.cid_ton = chan->cid.cid_ton;
1359                 /* Pass type of tns */
1360                 tmp->chan->cid.cid_tns = chan->cid.cid_tns;
1361                 /* Presense of ADSI CPE on outgoing channel follows ours */
1362                 tmp->chan->adsicpe = chan->adsicpe;
1363                 /* Pass the transfer capability */
1364                 tmp->chan->transfercapability = chan->transfercapability;
1365
1366                 /* If we have an outbound group, set this peer channel to it */
1367                 if (outbound_group)
1368                         ast_app_group_set_channel(tmp->chan, outbound_group);
1369
1370                 /* Inherit context and extension */
1371                 ast_copy_string(tmp->chan->context, chan->context, sizeof(tmp->chan->context));
1372                 ast_copy_string(tmp->chan->exten, chan->exten, sizeof(tmp->chan->exten));
1373
1374                 /* Place the call, but don't wait on the answer */
1375                 res = ast_call(tmp->chan, numsubst, 0);
1376
1377                 /* Save the info in cdr's that we called them */
1378                 if (chan->cdr)
1379                         ast_cdr_setdestchan(chan->cdr, tmp->chan->name);
1380
1381                 /* check the results of ast_call */
1382                 if (res) {
1383                         /* Again, keep going even if there's an error */
1384                         if (option_debug)
1385                                 ast_log(LOG_DEBUG, "ast call on peer returned %d\n", res);
1386                         if (option_verbose > 2)
1387                                 ast_verbose(VERBOSE_PREFIX_3 "Couldn't call %s\n", numsubst);
1388                         ast_hangup(tmp->chan);
1389                         tmp->chan = NULL;
1390                         continue;
1391                 } else {
1392                         senddialevent(chan, tmp->chan);
1393                         if (option_verbose > 2)
1394                                 ast_verbose(VERBOSE_PREFIX_3 "Called %s\n", numsubst);
1395                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID))
1396                                 ast_set_callerid(tmp->chan, S_OR(chan->macroexten, chan->exten), get_cid_name(cidname, sizeof(cidname), chan), NULL);
1397                 }
1398                 /* Put them in the list of outgoing thingies...  We're ready now. 
1399                    XXX If we're forcibly removed, these outgoing calls won't get
1400                    hung up XXX */
1401                 ast_set_flag(tmp, DIAL_STILLGOING);     
1402                 tmp->next = outgoing;
1403                 outgoing = tmp;
1404                 /* If this line is up, don't try anybody else */
1405                 if (outgoing->chan->_state == AST_STATE_UP)
1406                         break;
1407         }
1408         
1409         if (ast_strlen_zero(args.timeout)) {
1410                 to = -1;
1411         } else {
1412                 to = atoi(args.timeout);
1413                 if (to > 0)
1414                         to *= 1000;
1415                 else
1416                         ast_log(LOG_WARNING, "Invalid timeout specified: '%s'\n", args.timeout);
1417         }
1418
1419         if (!outgoing) {
1420                 strcpy(pa.status, "CHANUNAVAIL");
1421         } else {
1422                 /* Our status will at least be NOANSWER */
1423                 strcpy(pa.status, "NOANSWER");
1424                 if (ast_test_flag(outgoing, OPT_MUSICBACK)) {
1425                         moh = 1;
1426                         ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1427                 } else if (ast_test_flag(outgoing, OPT_RINGBACK)) {
1428                         ast_indicate(chan, AST_CONTROL_RINGING);
1429                         sentringing++;
1430                 }
1431         }
1432
1433         time(&start_time);
1434         peer = wait_for_answer(chan, outgoing, &to, peerflags, &pa, &num, ast_test_flag(&opts, OPT_PRIORITY_JUMP), &result);
1435         
1436         if (!peer) {
1437                 if (result) {
1438                         res = result;
1439                 } else if (to) { /* Musta gotten hung up */
1440                         res = -1;
1441                 } else { /* Nobody answered, next please? */
1442                         res = 0;
1443                 }
1444                 /* almost done, although the 'else' block is 400 lines */
1445         } else {
1446                 const char *number;
1447                 time_t end_time, answer_time = time(NULL);
1448                 char toast[80]; /* buffer to set variables */
1449
1450                 strcpy(pa.status, "ANSWER");
1451                 /* Ah ha!  Someone answered within the desired timeframe.  Of course after this
1452                    we will always return with -1 so that it is hung up properly after the 
1453                    conversation.  */
1454                 hanguptree(outgoing, peer);
1455                 outgoing = NULL;
1456                 /* If appropriate, log that we have a destination channel */
1457                 if (chan->cdr)
1458                         ast_cdr_setdestchan(chan->cdr, peer->name);
1459                 if (peer->name)
1460                         pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", peer->name);
1461
1462                 number = pbx_builtin_getvar_helper(peer, "DIALEDPEERNUMBER");
1463                 if (!number)
1464                         number = numsubst;
1465                 pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", number);
1466                 if (!ast_strlen_zero(args.url) && ast_channel_supports_html(peer) ) {
1467                         if (option_debug)
1468                                 ast_log(LOG_DEBUG, "app_dial: sendurl=%s.\n", args.url);
1469                         ast_channel_sendurl( peer, args.url );
1470                 }
1471                 if ( (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) && pa.privdb_val == AST_PRIVACY_UNKNOWN) {
1472                         if (do_privacy(chan, peer, &opts, opt_args, &pa)) {
1473                                 res = 0;
1474                                 goto out;
1475                         }
1476                 }
1477                 if (!ast_test_flag(&opts, OPT_ANNOUNCE) || ast_strlen_zero(opt_args[OPT_ARG_ANNOUNCE])) {
1478                         res = 0;
1479                 } else {
1480                         int digit = 0;
1481                         /* Start autoservice on the other chan */
1482                         res = ast_autoservice_start(chan);
1483                         /* Now Stream the File */
1484                         if (!res)
1485                                 res = ast_streamfile(peer, opt_args[OPT_ARG_ANNOUNCE], peer->language);
1486                         if (!res) {
1487                                 digit = ast_waitstream(peer, AST_DIGIT_ANY); 
1488                         }
1489                         /* Ok, done. stop autoservice */
1490                         res = ast_autoservice_stop(chan);
1491                         if (digit > 0 && !res)
1492                                 res = ast_senddigit(chan, digit); 
1493                         else
1494                                 res = digit;
1495
1496                 }
1497
1498                 if (chan && peer && ast_test_flag(&opts, OPT_GOTO) && !ast_strlen_zero(opt_args[OPT_ARG_GOTO])) {
1499                         replace_macro_delimiter(opt_args[OPT_ARG_GOTO]);
1500                         ast_parseable_goto(chan, opt_args[OPT_ARG_GOTO]);
1501                         ast_parseable_goto(peer, opt_args[OPT_ARG_GOTO]);
1502                         peer->priority++;
1503                         ast_pbx_start(peer);
1504                         hanguptree(outgoing, NULL);
1505                         res = 0;
1506                         goto done;
1507                 }
1508
1509                 if (ast_test_flag(&opts, OPT_CALLEE_MACRO) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_MACRO])) {
1510                         struct ast_app *theapp;
1511                         const char *macro_result;
1512
1513                         res = ast_autoservice_start(chan);
1514                         if (res) {
1515                                 ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
1516                                 res = -1;
1517                         }
1518
1519                         theapp = pbx_findapp("Macro");
1520
1521                         if (theapp && !res) {   /* XXX why check res here ? */
1522                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_MACRO]);
1523                                 res = pbx_exec(peer, theapp, opt_args[OPT_ARG_CALLEE_MACRO]);
1524                                 if (option_debug)
1525                                         ast_log(LOG_DEBUG, "Macro exited with status %d\n", res);
1526                                 res = 0;
1527                         } else {
1528                                 ast_log(LOG_ERROR, "Could not find application Macro\n");
1529                                 res = -1;
1530                         }
1531
1532                         if (ast_autoservice_stop(chan) < 0) {
1533                                 ast_log(LOG_ERROR, "Could not stop autoservice on calling channel\n");
1534                                 res = -1;
1535                         }
1536
1537                         if (!res && (macro_result = pbx_builtin_getvar_helper(peer, "MACRO_RESULT"))) {
1538                                 char *macro_transfer_dest;
1539
1540                                 if (!strcasecmp(macro_result, "BUSY")) {
1541                                         ast_copy_string(pa.status, macro_result, sizeof(pa.status));
1542                                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1543                                                 if (!ast_goto_if_exists(chan, NULL, NULL, chan->priority + 101)) {
1544                                                         ast_set_flag(peerflags, OPT_GO_ON);
1545                                                 }
1546                                         } else
1547                                                 ast_set_flag(peerflags, OPT_GO_ON);
1548                                         res = -1;
1549                                 } else if (!strcasecmp(macro_result, "CONGESTION") || !strcasecmp(macro_result, "CHANUNAVAIL")) {
1550                                         ast_copy_string(pa.status, macro_result, sizeof(pa.status));
1551                                         ast_set_flag(peerflags, OPT_GO_ON);     
1552                                         res = -1;
1553                                 } else if (!strcasecmp(macro_result, "CONTINUE")) {
1554                                         /* hangup peer and keep chan alive assuming the macro has changed 
1555                                            the context / exten / priority or perhaps 
1556                                            the next priority in the current exten is desired.
1557                                         */
1558                                         ast_set_flag(peerflags, OPT_GO_ON);     
1559                                         res = -1;
1560                                 } else if (!strcasecmp(macro_result, "ABORT")) {
1561                                         /* Hangup both ends unless the caller has the g flag */
1562                                         res = -1;
1563                                 } else if (!strncasecmp(macro_result, "GOTO:", 5) && (macro_transfer_dest = ast_strdupa(macro_result + 5))) {
1564                                         res = -1;
1565                                         /* perform a transfer to a new extension */
1566                                         if (strchr(macro_transfer_dest, '^')) { /* context^exten^priority*/
1567                                                 replace_macro_delimiter(macro_transfer_dest);
1568                                                 if (!ast_parseable_goto(chan, macro_transfer_dest))
1569                                                         ast_set_flag(peerflags, OPT_GO_ON);
1570                                         }
1571                                 }
1572                         }
1573                 }
1574
1575                 if (!res) {
1576                         if (calldurationlimit > 0) {
1577                                 chan->whentohangup = time(NULL) + calldurationlimit;
1578                         }
1579                         if (!ast_strlen_zero(dtmfcalled)) { 
1580                                 if (option_verbose > 2)
1581                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the called party.\n", dtmfcalled);
1582                                 res = ast_dtmf_stream(peer,chan,dtmfcalled,250);
1583                         }
1584                         if (!ast_strlen_zero(dtmfcalling)) {
1585                                 if (option_verbose > 2)
1586                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the calling party.\n", dtmfcalling);
1587                                 res = ast_dtmf_stream(chan,peer,dtmfcalling,250);
1588                         }
1589                 }
1590                 
1591                 if (res) {      /* some error */
1592                         res = -1;
1593                         end_time = time(NULL);
1594                 } else {
1595                         if (ast_test_flag(peerflags, OPT_CALLEE_TRANSFER))
1596                                 ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
1597                         if (ast_test_flag(peerflags, OPT_CALLER_TRANSFER))
1598                                 ast_set_flag(&(config.features_caller), AST_FEATURE_REDIRECT);
1599                         if (ast_test_flag(peerflags, OPT_CALLEE_HANGUP))
1600                                 ast_set_flag(&(config.features_callee), AST_FEATURE_DISCONNECT);
1601                         if (ast_test_flag(peerflags, OPT_CALLER_HANGUP))
1602                                 ast_set_flag(&(config.features_caller), AST_FEATURE_DISCONNECT);
1603                         if (ast_test_flag(peerflags, OPT_CALLEE_MONITOR))
1604                                 ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
1605                         if (ast_test_flag(peerflags, OPT_CALLER_MONITOR)) 
1606                                 ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
1607                         if (ast_test_flag(peerflags, OPT_CALLEE_PARK))
1608                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PARKCALL);
1609                         if (ast_test_flag(peerflags, OPT_CALLER_PARK))
1610                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PARKCALL);
1611
1612                         if (moh) {
1613                                 moh = 0;
1614                                 ast_moh_stop(chan);
1615                         } else if (sentringing) {
1616                                 sentringing = 0;
1617                                 ast_indicate(chan, -1);
1618                         }
1619                         /* Be sure no generators are left on it */
1620                         ast_deactivate_generator(chan);
1621                         /* Make sure channels are compatible */
1622                         res = ast_channel_make_compatible(chan, peer);
1623                         if (res < 0) {
1624                                 ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", chan->name, peer->name);
1625                                 ast_hangup(peer);
1626                                 res = -1;
1627                                 goto done;
1628                         }
1629                         if (opermode && !strncmp(chan->name,"Zap",3) && !strncmp(peer->name,"Zap",3)) {
1630                                 /* XXX what's this special handling for Zap <-> Zap ? */
1631                                 struct oprmode oprmode;
1632
1633                                 oprmode.peer = peer;
1634                                 oprmode.mode = opermode;
1635
1636                                 ast_channel_setoption(chan,
1637                                         AST_OPTION_OPRMODE,&oprmode,sizeof(struct oprmode),0);
1638                         }
1639                         res = ast_bridge_call(chan,peer,&config);
1640                         end_time = time(NULL);
1641                         snprintf(toast, sizeof(toast), "%ld", (long)(end_time - answer_time));
1642                         pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", toast);
1643                 }
1644
1645                 snprintf(toast, sizeof(toast), "%ld", (long)(end_time - start_time));
1646                 pbx_builtin_setvar_helper(chan, "DIALEDTIME", toast);
1647
1648                 if (res != AST_PBX_NO_HANGUP_PEER) {
1649                         if (!chan->_softhangup)
1650                                 chan->hangupcause = peer->hangupcause;
1651                         ast_hangup(peer);
1652                 }
1653         }       
1654 out:
1655         if (moh) {
1656                 moh = 0;
1657                 ast_moh_stop(chan);
1658         } else if (sentringing) {
1659                 sentringing = 0;
1660                 ast_indicate(chan, -1);
1661         }
1662         ast_channel_early_bridge(chan, NULL);
1663         hanguptree(outgoing, NULL);
1664         pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1665         senddialendevent(chan, pa.status);
1666         if (option_debug)
1667                 ast_log(LOG_DEBUG, "Exiting with DIALSTATUS=%s.\n", pa.status);
1668         
1669         if ((ast_test_flag(peerflags, OPT_GO_ON)) && (!chan->_softhangup) && (res != AST_PBX_KEEPALIVE))
1670                 res = 0;
1671
1672 done:
1673         ast_module_user_remove(u);      /* XXX probably not the right place for this. */
1674         return res;
1675 }
1676
1677 static int dial_exec(struct ast_channel *chan, void *data)
1678 {
1679         struct ast_flags peerflags;
1680         memset(&peerflags, 0, sizeof(peerflags));
1681         return dial_exec_full(chan, data, &peerflags);
1682 }
1683
1684 static int retrydial_exec(struct ast_channel *chan, void *data)
1685 {
1686         char *announce = NULL, *dialdata = NULL;
1687         const char *context = NULL;
1688         int sleep = 0, loops = 0, res = -1;
1689         struct ast_module_user *u;
1690         struct ast_flags peerflags;
1691         
1692         if (ast_strlen_zero(data)) {
1693                 ast_log(LOG_WARNING, "RetryDial requires an argument!\n");
1694                 return -1;
1695         }       
1696
1697         u = ast_module_user_add(chan);
1698
1699         announce = ast_strdupa(data);
1700
1701         memset(&peerflags, 0, sizeof(peerflags));
1702
1703         if ((dialdata = strchr(announce, '|'))) {
1704                 *dialdata++ = '\0';
1705                 if ((sleep = atoi(dialdata))) {
1706                         sleep *= 1000;
1707                 } else {
1708                         ast_log(LOG_ERROR, "%s requires the numerical argument <sleep>\n",rapp);
1709                         goto done;
1710                 }
1711                 if ((dialdata = strchr(dialdata, '|'))) {
1712                         *dialdata++ = '\0';
1713                         if (!(loops = atoi(dialdata))) {
1714                                 ast_log(LOG_ERROR, "%s requires the numerical argument <loops>\n",rapp);
1715                                 goto done;
1716                         }
1717                 }
1718         }
1719         
1720         if ((dialdata = strchr(dialdata, '|'))) {
1721                 *dialdata++ = '\0';
1722         } else {
1723                 ast_log(LOG_ERROR, "%s requires more arguments\n",rapp);
1724                 goto done;
1725         }
1726                 
1727         if (sleep < 1000)
1728                 sleep = 10000;
1729
1730         if (!loops)
1731                 loops = -1;     /* run forever */
1732         
1733         context = pbx_builtin_getvar_helper(chan, "EXITCONTEXT");
1734
1735         res = 0;
1736         while (loops) {
1737                 chan->data = "Retrying";
1738                 if (ast_test_flag(chan, AST_FLAG_MOH))
1739                         ast_moh_stop(chan);
1740
1741                 if ((res = dial_exec_full(chan, dialdata, &peerflags)) == 0) {
1742                         if (ast_test_flag(&peerflags, OPT_DTMF_EXIT)) {
1743                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1744                                         res = ast_waitstream(chan, AST_DIGIT_ANY);
1745                                 if (!res && sleep) {
1746                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1747                                                 ast_moh_start(chan, NULL, NULL);
1748                                         res = ast_waitfordigit(chan, sleep);
1749                                 }
1750                         } else {
1751                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1752                                         res = ast_waitstream(chan, "");
1753                                 if (sleep) {
1754                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1755                                                 ast_moh_start(chan, NULL, NULL);
1756                                         if (!res) 
1757                                                 res = ast_waitfordigit(chan, sleep);
1758                                 }
1759                         }
1760                 }
1761
1762                 if (res < 0)
1763                         break;
1764                 else if (res > 0) { /* Trying to send the call elsewhere (1 digit ext) */
1765                         if (onedigit_goto(chan, context, (char) res, 1)) {
1766                                 res = 0;
1767                                 break;
1768                         }
1769                 }
1770                 loops--;
1771         }
1772         if (loops == 0)
1773                 res = 0;
1774         
1775         if (ast_test_flag(chan, AST_FLAG_MOH))
1776                 ast_moh_stop(chan);
1777 done:
1778         ast_module_user_remove(u);
1779         return res;
1780 }
1781
1782 static int unload_module(void)
1783 {
1784         int res;
1785
1786         res = ast_unregister_application(app);
1787         res |= ast_unregister_application(rapp);
1788
1789         ast_module_user_hangup_all();
1790         
1791         return res;
1792 }
1793
1794 static int load_module(void)
1795 {
1796         int res;
1797
1798         res = ast_register_application(app, dial_exec, synopsis, descrip);
1799         res |= ast_register_application(rapp, retrydial_exec, rsynopsis, rdescrip);
1800         
1801         return res;
1802 }
1803
1804 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Dialing Application");