7f731bcfdbe90dd35aa88dc631e385a916c9b713
[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 application 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 /*
292  * The list of active channels
293  */
294 struct chanlist {
295         struct chanlist *next;
296         struct ast_channel *chan;
297         unsigned int flags;
298         int forwards;
299 };
300
301
302 static void hanguptree(struct chanlist *outgoing, struct ast_channel *exception)
303 {
304         /* Hang up a tree of stuff */
305         struct chanlist *oo;
306         while (outgoing) {
307                 /* Hangup any existing lines we have open */
308                 if (outgoing->chan && (outgoing->chan != exception))
309                         ast_hangup(outgoing->chan);
310                 oo = outgoing;
311                 outgoing=outgoing->next;
312                 free(oo);
313         }
314 }
315
316 #define AST_MAX_FORWARDS   8
317
318 #define AST_MAX_WATCHERS 256
319
320 /*
321  * argument to handle_cause() and other functions.
322  */
323 struct cause_args {
324         struct ast_channel *chan;
325         int busy;
326         int congestion;
327         int nochan;
328 };
329
330 static void handle_cause(int cause, struct cause_args *num)
331 {
332         struct ast_cdr *cdr = num->chan->cdr;
333
334         switch(cause) {
335         case AST_CAUSE_BUSY:
336                 if (cdr)
337                         ast_cdr_busy(cdr);
338                 num->busy++;
339                 break;
340
341         case AST_CAUSE_CONGESTION:
342                 if (cdr)
343                         ast_cdr_failed(cdr);
344                 num->congestion++;
345                 break;
346
347         case AST_CAUSE_UNREGISTERED:
348                 if (cdr)
349                         ast_cdr_failed(cdr);
350                 num->nochan++;
351                 break;
352
353         case AST_CAUSE_NORMAL_CLEARING:
354                 break;
355
356         default:
357                 num->nochan++;
358                 break;
359         }
360 }
361
362 /* free the buffer if allocated, and set the pointer to the second arg */
363 #define S_REPLACE(s, new_val)           \
364         do {                            \
365                 if (s)                  \
366                         free(s);        \
367                 s = (new_val);          \
368         } while (0)
369
370 static int onedigit_goto(struct ast_channel *chan, const char *context, char exten, int pri) 
371 {
372         char rexten[2] = { exten, '\0' };
373
374         if (context) {
375                 if (!ast_goto_if_exists(chan, context, rexten, pri))
376                         return 1;
377         } else {
378                 if (!ast_goto_if_exists(chan, chan->context, rexten, pri))
379                         return 1;
380                 else if (!ast_strlen_zero(chan->macrocontext)) {
381                         if (!ast_goto_if_exists(chan, chan->macrocontext, rexten, pri))
382                                 return 1;
383                 }
384         }
385         return 0;
386 }
387
388
389 static const char *get_cid_name(char *name, int namelen, struct ast_channel *chan)
390 {
391         const char *context = S_OR(chan->macrocontext, chan->context);
392         const char *exten = S_OR(chan->macroexten, chan->exten);
393
394         return ast_get_hint(NULL, 0, name, namelen, chan, context, exten) ? name : "";
395 }
396
397 static void senddialevent(struct ast_channel *src, struct ast_channel *dst)
398 {
399         manager_event(EVENT_FLAG_CALL, "Dial", 
400                            "SubEvent: Begin\r\n"
401                            "Source: %s\r\n"
402                            "Destination: %s\r\n"
403                            "CallerIDNum: %s\r\n"
404                            "CallerIDName: %s\r\n"
405                            "SrcUniqueID: %s\r\n"
406                            "DestUniqueID: %s\r\n",
407                            src->name, dst->name, S_OR(src->cid.cid_num, "<unknown>"),
408                            S_OR(src->cid.cid_name, "<unknown>"), src->uniqueid,
409                            dst->uniqueid);
410 }
411
412 static void senddialendevent(const struct ast_channel *src, const char *dialstatus)
413 {
414         manager_event(EVENT_FLAG_CALL, "Dial",
415                                         "SubEvent: End\r\n"
416                                         "Channel: %s\r\n"
417                                         "DialStatus: %s\r\n",
418                                         src->name, dialstatus);
419 }       
420
421 /*!
422  * helper function for wait_for_answer()
423  *
424  * XXX this code is highly suspicious, as it essentially overwrites
425  * the outgoing channel without properly deleting it.
426  */
427 static void do_forward(struct chanlist *o,
428         struct cause_args *num, struct ast_flags *peerflags, int single)
429 {
430         char tmpchan[256];
431         struct ast_channel *c = o->chan; /* the winner */
432         struct ast_channel *in = num->chan; /* the input channel */
433         char *stuff;
434         char *tech;
435         int cause;
436
437         ast_copy_string(tmpchan, c->call_forward, sizeof(tmpchan));
438         if ((stuff = strchr(tmpchan, '/'))) {
439                 *stuff++ = '\0';
440                 tech = tmpchan;
441         } else {
442                 const char *forward_context = pbx_builtin_getvar_helper(c, "FORWARD_CONTEXT");
443                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", c->call_forward, forward_context ? forward_context : c->context);
444                 stuff = tmpchan;
445                 tech = "Local";
446         }
447         /* Before processing channel, go ahead and check for forwarding */
448         o->forwards++;
449         if (o->forwards < AST_MAX_FORWARDS) {
450                 if (option_verbose > 2)
451                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", in->name, tech, stuff, c->name);
452                 /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
453                 if (ast_test_flag(peerflags, OPT_IGNORE_FORWARDING)) {
454                         if (option_verbose > 2)
455                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n", in->name, tech, stuff);
456                         c = o->chan = NULL;
457                         cause = AST_CAUSE_BUSY;
458                 } else {
459                         /* Setup parameters */
460                         c = o->chan = ast_request(tech, in->nativeformats, stuff, &cause);
461                         if (!c)
462                                 ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
463                         else
464                                 ast_channel_inherit_variables(in, o->chan);
465                 }
466         } else {
467                 if (option_verbose > 2)
468                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", c->name);
469                 cause = AST_CAUSE_CONGESTION;
470                 c = o->chan = NULL;
471         }
472         if (!c) {
473                 ast_clear_flag(o, DIAL_STILLGOING);     
474                 handle_cause(cause, num);
475         } else {
476                 char *new_cid_num, *new_cid_name;
477                 struct ast_channel *src;
478
479                 ast_rtp_make_compatible(c, in, single);
480                 if (ast_test_flag(o, OPT_FORCECLID)) {
481                         new_cid_num = ast_strdup(S_OR(in->macroexten, in->exten));
482                         new_cid_name = NULL; /* XXX no name ? */
483                         src = c;        /* XXX possible bug in previous code, which used 'winner' ? it may have changed */
484                 } else {
485                         new_cid_num = ast_strdup(in->cid.cid_num);
486                         new_cid_name = ast_strdup(in->cid.cid_name);
487                         src = in;
488                 }
489                 ast_string_field_set(c, accountcode, src->accountcode);
490                 c->cdrflags = src->cdrflags;
491                 S_REPLACE(c->cid.cid_num, new_cid_num);
492                 S_REPLACE(c->cid.cid_name, new_cid_name);
493
494                 if (in->cid.cid_ani) { /* XXX or maybe unconditional ? */
495                         S_REPLACE(c->cid.cid_ani, ast_strdup(in->cid.cid_ani));
496                 }
497                 S_REPLACE(c->cid.cid_rdnis, ast_strdup(S_OR(in->macroexten, in->exten)));
498                 if (ast_call(c, tmpchan, 0)) {
499                         ast_log(LOG_NOTICE, "Failed to dial on local channel for call forward to '%s'\n", tmpchan);
500                         ast_clear_flag(o, DIAL_STILLGOING);     
501                         ast_hangup(c);
502                         c = o->chan = NULL;
503                         num->nochan++;
504                 } else {
505                         senddialevent(in, c);
506                         /* After calling, set callerid to extension */
507                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID)) {
508                                 char cidname[AST_MAX_EXTENSION];
509                                 ast_set_callerid(c, S_OR(in->macroexten, in->exten), get_cid_name(cidname, sizeof(cidname), in), NULL);
510                         }
511                         /* Hangup the original channel now, in case we needed it */
512                         ast_hangup(c);
513                 }
514         }
515 }
516
517 /* argument used for some functions. */
518 struct privacy_args {
519         int sentringing;
520         int privdb_val;
521         char privcid[256];
522         char privintro[1024];
523         char status[256];
524 };
525
526 static struct ast_channel *wait_for_answer(struct ast_channel *in,
527         struct chanlist *outgoing, int *to, struct ast_flags *peerflags,
528         struct privacy_args *pa,
529         const struct cause_args *num_in, int priority_jump, int *result)
530 {
531         struct cause_args num = *num_in;
532         int prestart = num.busy + num.congestion + num.nochan;
533         int orig = *to;
534         struct ast_channel *peer = NULL;
535         /* single is set if only one destination is enabled */
536         int single = outgoing && !outgoing->next && !ast_test_flag(outgoing, OPT_MUSICBACK | OPT_RINGBACK);
537         
538         if (single) {
539                 /* Turn off hold music, etc */
540                 ast_deactivate_generator(in);
541                 /* If we are calling a single channel, make them compatible for in-band tone purpose */
542                 ast_channel_make_compatible(outgoing->chan, in);
543         }
544         
545         
546         while (*to && !peer) {
547                 struct chanlist *o;
548                 int pos = 0;    /* how many channels do we handle */
549                 int numlines = prestart;
550                 struct ast_channel *winner;
551                 struct ast_channel *watchers[AST_MAX_WATCHERS];
552
553                 watchers[pos++] = in;
554                 for (o = outgoing; o; o = o->next) {
555                         /* Keep track of important channels */
556                         if (ast_test_flag(o, DIAL_STILLGOING) && o->chan)
557                                 watchers[pos++] = o->chan;
558                         numlines++;
559                 }
560                 if (pos == 1) { /* only the input channel is available */
561                         if (numlines == (num.busy + num.congestion + num.nochan)) {
562                                 if (option_verbose > 2)
563                                         ast_verbose( VERBOSE_PREFIX_2 "Everyone is busy/congested at this time (%d:%d/%d/%d)\n", numlines, num.busy, num.congestion, num.nochan);
564                                 if (num.busy)
565                                         strcpy(pa->status, "BUSY");     
566                                 else if (num.congestion)
567                                         strcpy(pa->status, "CONGESTION");
568                                 else if (num.nochan)
569                                         strcpy(pa->status, "CHANUNAVAIL");
570                                 if (ast_opt_priority_jumping || priority_jump)
571                                         ast_goto_if_exists(in, in->context, in->exten, in->priority + 101);
572                         } else {
573                                 if (option_verbose > 2)
574                                         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);
575                         }
576                         *to = 0;
577                         return NULL;
578                 }
579                 winner = ast_waitfor_n(watchers, pos, to);
580                 for (o = outgoing; o; o = o->next) {
581                         struct ast_frame *f;
582                         struct ast_channel *c = o->chan;
583
584                         if (c == NULL)
585                                 continue;
586                         if (ast_test_flag(o, DIAL_STILLGOING) && c->_state == AST_STATE_UP) {
587                                 if (!peer) {
588                                         if (option_verbose > 2)
589                                                 ast_verbose(VERBOSE_PREFIX_3 "%s answered %s\n", c->name, in->name);
590                                         peer = c;
591                                         ast_copy_flags(peerflags, o,
592                                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
593                                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
594                                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
595                                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
596                                                        DIAL_NOFORWARDHTML);
597                                         ast_copy_string(c->dialcontext, "", sizeof(c->dialcontext));
598                                         ast_copy_string(c->exten, "", sizeof(c->exten));
599                                 }
600                                 continue;
601                         }
602                         if (c != winner)
603                                 continue;
604                         /* here, o->chan == c == winner */
605                         if (!ast_strlen_zero(c->call_forward)) {
606                                 do_forward(o, &num, peerflags, single);
607                                 continue;
608                         }
609                         f = ast_read(winner);
610                         if (!f) {
611                                 in->hangupcause = c->hangupcause;
612                                 ast_hangup(c);
613                                 c = o->chan = NULL;
614                                 ast_clear_flag(o, DIAL_STILLGOING);
615                                 handle_cause(in->hangupcause, &num);
616                                 continue;
617                         }
618                         if (f->frametype == AST_FRAME_CONTROL) {
619                                 switch(f->subclass) {
620                                 case AST_CONTROL_ANSWER:
621                                         /* This is our guy if someone answered. */
622                                         if (!peer) {
623                                                 if (option_verbose > 2)
624                                                         ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", c->name, in->name);
625                                                 peer = c;
626                                                 ast_copy_flags(peerflags, o,
627                                                                OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
628                                                                OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
629                                                                OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
630                                                                OPT_CALLEE_PARK | OPT_CALLER_PARK |
631                                                                DIAL_NOFORWARDHTML);
632                                                 ast_copy_string(c->dialcontext, "", sizeof(c->dialcontext));
633                                                 ast_copy_string(c->exten, "", sizeof(c->exten));
634                                                 /* Setup early bridge if appropriate */
635                                                 ast_channel_early_bridge(in, peer);
636                                         }
637                                         /* If call has been answered, then the eventual hangup is likely to be normal hangup */
638                                         in->hangupcause = AST_CAUSE_NORMAL_CLEARING;
639                                         c->hangupcause = AST_CAUSE_NORMAL_CLEARING;
640                                         break;
641                                 case AST_CONTROL_BUSY:
642                                         if (option_verbose > 2)
643                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is busy\n", c->name);
644                                         in->hangupcause = c->hangupcause;
645                                         ast_hangup(c);
646                                         c = o->chan = NULL;
647                                         ast_clear_flag(o, DIAL_STILLGOING);     
648                                         handle_cause(AST_CAUSE_BUSY, &num);
649                                         break;
650                                 case AST_CONTROL_CONGESTION:
651                                         if (option_verbose > 2)
652                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is circuit-busy\n", c->name);
653                                         in->hangupcause = c->hangupcause;
654                                         ast_hangup(c);
655                                         c = o->chan = NULL;
656                                         ast_clear_flag(o, DIAL_STILLGOING);
657                                         handle_cause(AST_CAUSE_CONGESTION, &num);
658                                         break;
659                                 case AST_CONTROL_RINGING:
660                                         if (option_verbose > 2)
661                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is ringing\n", c->name);
662                                         /* Setup early media if appropriate */
663                                         if (single)
664                                                 ast_channel_early_bridge(in, c);
665                                         if (!(pa->sentringing) && !ast_test_flag(outgoing, OPT_MUSICBACK)) {
666                                                 ast_indicate(in, AST_CONTROL_RINGING);
667                                                 pa->sentringing++;
668                                         }
669                                         break;
670                                 case AST_CONTROL_PROGRESS:
671                                         if (option_verbose > 2)
672                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is making progress passing it to %s\n", c->name, in->name);
673                                         /* Setup early media if appropriate */
674                                         if (single)
675                                                 ast_channel_early_bridge(in, c);
676                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
677                                                 ast_indicate(in, AST_CONTROL_PROGRESS);
678                                         break;
679                                 case AST_CONTROL_VIDUPDATE:
680                                         if (option_verbose > 2)
681                                                 ast_verbose (VERBOSE_PREFIX_3 "%s requested a video update, passing it to %s\n", c->name, in->name);
682                                         ast_indicate(in, AST_CONTROL_VIDUPDATE);
683                                         break;
684                                 case AST_CONTROL_PROCEEDING:
685                                         if (option_verbose > 2)
686                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is proceeding passing it to %s\n", c->name, in->name);
687                                         if (single)
688                                                 ast_channel_early_bridge(in, c);
689                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
690                                                 ast_indicate(in, AST_CONTROL_PROCEEDING);
691                                         break;
692                                 case AST_CONTROL_HOLD:
693                                         if (option_verbose > 2)
694                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s placed on hold\n", c->name);
695                                         ast_indicate(in, AST_CONTROL_HOLD);
696                                         break;
697                                 case AST_CONTROL_UNHOLD:
698                                         if (option_verbose > 2)
699                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s left from hold\n", c->name);
700                                         ast_indicate(in, AST_CONTROL_UNHOLD);
701                                         break;
702                                 case AST_CONTROL_OFFHOOK:
703                                 case AST_CONTROL_FLASH:
704                                         /* Ignore going off hook and flash */
705                                         break;
706                                 case -1:
707                                         if (!ast_test_flag(outgoing, OPT_RINGBACK | OPT_MUSICBACK)) {
708                                                 if (option_verbose > 2)
709                                                         ast_verbose(VERBOSE_PREFIX_3 "%s stopped sounds\n", c->name);
710                                                 ast_indicate(in, -1);
711                                                 pa->sentringing = 0;
712                                         }
713                                         break;
714                                 default:
715                                         if (option_debug)
716                                                 ast_log(LOG_DEBUG, "Dunno what to do with control type %d\n", f->subclass);
717                                 }
718                         } else if (single) {
719                                 /* XXX are we sure the logic is correct ? or we should just switch on f->frametype ? */
720                                 if (f->frametype == AST_FRAME_VOICE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
721                                         if (ast_write(in, f)) 
722                                                 ast_log(LOG_WARNING, "Unable to forward voice frame\n");
723                                 } else if (f->frametype == AST_FRAME_IMAGE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
724                                         if (ast_write(in, f))
725                                                 ast_log(LOG_WARNING, "Unable to forward image\n");
726                                 } else if (f->frametype == AST_FRAME_TEXT && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
727                                         if (ast_write(in, f))
728                                                 ast_log(LOG_WARNING, "Unable to send text\n");
729                                 } else if (f->frametype == AST_FRAME_HTML && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML)) {
730                                         if (ast_channel_sendhtml(in, f->subclass, f->data, f->datalen) == -1)
731                                                 ast_log(LOG_WARNING, "Unable to send URL\n");
732                                 }
733                         }
734                         ast_frfree(f);
735                 } /* end for */
736                 if (winner == in) {
737                         struct ast_frame *f = ast_read(in);
738 #if 0
739                         if (f && (f->frametype != AST_FRAME_VOICE))
740                                 printf("Frame type: %d, %d\n", f->frametype, f->subclass);
741                         else if (!f || (f->frametype != AST_FRAME_VOICE))
742                                 printf("Hangup received on %s\n", in->name);
743 #endif
744                         if (!f || ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP))) {
745                                 /* Got hung up */
746                                 *to = -1;
747                                 strcpy(pa->status, "CANCEL");
748                                 if (f)
749                                         ast_frfree(f);
750                                 return NULL;
751                         }
752
753                         /* now f is guaranteed non-NULL */
754                         if (f->frametype == AST_FRAME_DTMF) {
755                                 if (ast_test_flag(peerflags, OPT_DTMF_EXIT)) {
756                                         const char *context = pbx_builtin_getvar_helper(in, "EXITCONTEXT");
757                                         if (onedigit_goto(in, context, (char) f->subclass, 1)) {
758                                                 if (option_verbose > 2)
759                                                         ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
760                                                 *to=0;
761                                                 *result = f->subclass;
762                                                 strcpy(pa->status, "CANCEL");
763                                                 ast_frfree(f);
764                                                 return NULL;
765                                         }
766                                 }
767
768                                 if (ast_test_flag(peerflags, OPT_CALLER_HANGUP) && 
769                                                   (f->subclass == '*')) { /* hmm it it not guaranteed to be '*' anymore. */
770                                         if (option_verbose > 2)
771                                                 ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
772                                         *to=0;
773                                         strcpy(pa->status, "CANCEL");
774                                         ast_frfree(f);
775                                         return NULL;
776                                 }
777                         }
778
779                         /* Forward HTML stuff */
780                         if (single && (f->frametype == AST_FRAME_HTML) && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML)) 
781                                 if(ast_channel_sendhtml(outgoing->chan, f->subclass, f->data, f->datalen) == -1)
782                                         ast_log(LOG_WARNING, "Unable to send URL\n");
783                         
784
785                         if (single && ((f->frametype == AST_FRAME_VOICE) || (f->frametype == AST_FRAME_DTMF)))  {
786                                 if (ast_write(outgoing->chan, f))
787                                         ast_log(LOG_WARNING, "Unable to forward voice\n");
788                         }
789                         if (single && (f->frametype == AST_FRAME_CONTROL) && 
790                                 ((f->subclass == AST_CONTROL_HOLD) || 
791                                  (f->subclass == AST_CONTROL_UNHOLD) || 
792                                  (f->subclass == AST_CONTROL_VIDUPDATE))) {
793                                 if (option_verbose > 2)
794                                         ast_verbose(VERBOSE_PREFIX_3 "%s requested special control %d, passing it to %s\n", in->name, f->subclass, outgoing->chan->name);
795                                 ast_indicate_data(outgoing->chan, f->subclass, f->data, f->datalen);
796                         }
797                         ast_frfree(f);
798                 }
799                 if (!*to && (option_verbose > 2))
800                         ast_verbose(VERBOSE_PREFIX_3 "Nobody picked up in %d ms\n", orig);
801         }
802
803         return peer;
804 }
805
806 static void replace_macro_delimiter(char *s)
807 {
808         for (; *s; s++)
809                 if (*s == '^')
810                         *s = '|';
811 }
812
813
814 /* returns true if there is a valid privacy reply */
815 static int valid_priv_reply(struct ast_flags *opts, int res)
816 {
817         if (res < '1')
818                 return 0;
819         if (ast_test_flag(opts, OPT_PRIVACY) && res <= '5')
820                 return 1;
821         if (ast_test_flag(opts, OPT_SCREENING) && res <= '4')
822                 return 1;
823         return 0;
824 }
825
826 static int do_timelimit(struct ast_channel *chan, struct ast_bridge_config *config,
827         char *parse, unsigned int *calldurationlimit)
828 {
829         char *stringp = ast_strdupa(parse);
830         char *limit_str, *warning_str, *warnfreq_str;
831         const char *var;
832         int play_to_caller=0,play_to_callee=0;
833         int delta;
834
835         limit_str = strsep(&stringp, ":");
836         warning_str = strsep(&stringp, ":");
837         warnfreq_str = strsep(&stringp, ":");
838
839         config->timelimit = atol(limit_str);
840         if (warning_str)
841                 config->play_warning = atol(warning_str);
842         if (warnfreq_str)
843                 config->warning_freq = atol(warnfreq_str);
844
845         if (!config->timelimit) {
846                 ast_log(LOG_WARNING, "Dial does not accept L(%s), hanging up.\n", limit_str);
847                 config->timelimit = config->play_warning = config->warning_freq = 0;
848                 config->warning_sound = NULL;
849                 return -1;      /* error */
850         } else if ( (delta = config->play_warning - config->timelimit) > 0) {
851                 int w = config->warning_freq;
852
853                 /* If the first warning is requested _after_ the entire call would end,
854                    and no warning frequency is requested, then turn off the warning. If
855                    a warning frequency is requested, reduce the 'first warning' time by
856                    that frequency until it falls within the call's total time limit.
857                    Graphically:
858                                   timelim->|    delta        |<-playwarning
859                         0__________________|_________________|
860                                          | w  |    |    |    |
861
862                    so the number of intervals to cut is 1+(delta-1)/w
863                 */
864
865                 if (w == 0) {
866                         config->play_warning = 0;
867                 } else {
868                         config->play_warning -= w * ( 1 + (delta-1)/w );
869                         if (config->play_warning < 1)
870                                 config->play_warning = config->warning_freq = 0;
871                 }
872         }
873
874         var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLER");
875         play_to_caller = var ? ast_true(var) : 1;
876         
877         var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLEE");
878         play_to_callee = var ? ast_true(var) : 0;
879         
880         if (!play_to_caller && !play_to_callee)
881                 play_to_caller = 1;
882         
883         var = pbx_builtin_getvar_helper(chan,"LIMIT_WARNING_FILE");
884         config->warning_sound = S_OR(var, "timeleft");
885
886         /* The code looking at config wants a NULL, not just "", to decide
887          * that the message should not be played, so we replace "" with NULL.
888          * Note, pbx_builtin_getvar_helper _can_ return NULL if the variable is
889          * not found.
890          */
891         var = pbx_builtin_getvar_helper(chan,"LIMIT_TIMEOUT_FILE");
892         config->end_sound = S_OR(var, NULL);
893         var = pbx_builtin_getvar_helper(chan,"LIMIT_CONNECT_FILE");
894         config->start_sound = S_OR(var, NULL);
895
896         /* undo effect of S(x) in case they are both used */
897         *calldurationlimit = 0;
898         /* more efficient to do it like S(x) does since no advanced opts */
899         if (!config->play_warning && !config->start_sound && !config->end_sound && config->timelimit) {
900                 *calldurationlimit = config->timelimit / 1000;
901                 if (option_verbose > 2)
902                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n",
903                                 *calldurationlimit);
904                 config->timelimit = play_to_caller = play_to_callee =
905                 config->play_warning = config->warning_freq = 0;
906         } else if (option_verbose > 2) {
907                 ast_verbose(VERBOSE_PREFIX_3 "Limit Data for this call:\n");
908                 ast_verbose(VERBOSE_PREFIX_4 "timelimit      = %ld\n", config->timelimit);
909                 ast_verbose(VERBOSE_PREFIX_4 "play_warning   = %ld\n", config->play_warning);
910                 ast_verbose(VERBOSE_PREFIX_4 "play_to_caller = %s\n", play_to_caller ? "yes" : "no");
911                 ast_verbose(VERBOSE_PREFIX_4 "play_to_callee = %s\n", play_to_callee ? "yes" : "no");
912                 ast_verbose(VERBOSE_PREFIX_4 "warning_freq   = %ld\n", config->warning_freq);
913                 ast_verbose(VERBOSE_PREFIX_4 "start_sound    = %s\n", S_OR(config->start_sound, ""));
914                 ast_verbose(VERBOSE_PREFIX_4 "warning_sound  = %s\n", config->warning_sound);
915                 ast_verbose(VERBOSE_PREFIX_4 "end_sound      = %s\n", S_OR(config->end_sound, ""));
916         }
917         if (play_to_caller)
918                 ast_set_flag(&(config->features_caller), AST_FEATURE_PLAY_WARNING);
919         if (play_to_callee)
920                 ast_set_flag(&(config->features_callee), AST_FEATURE_PLAY_WARNING);
921         return 0;
922 }
923
924 static int do_privacy(struct ast_channel *chan, struct ast_channel *peer,
925     struct ast_flags *opts, char **opt_args, struct privacy_args *pa)
926 {
927
928         int res2;
929         int loopcount = 0;
930
931         /* Get the user's intro, store it in priv-callerintros/$CID, 
932            unless it is already there-- this should be done before the 
933            call is actually dialed  */
934
935         /* all ring indications and moh for the caller has been halted as soon as the 
936            target extension was picked up. We are going to have to kill some
937            time and make the caller believe the peer hasn't picked up yet */
938
939         if (ast_test_flag(opts, OPT_MUSICBACK) && !ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
940                 ast_indicate(chan, -1);
941                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
942         } else if (ast_test_flag(opts, OPT_RINGBACK)) {
943                 ast_indicate(chan, AST_CONTROL_RINGING);
944                 pa->sentringing++;
945         }
946
947         /* Start autoservice on the other chan ?? */
948         res2 = ast_autoservice_start(chan);
949         /* Now Stream the File */
950         for (loopcount = 0; loopcount < 3; loopcount++) {
951                 if (res2 && loopcount == 0)     /* error in ast_autoservice_start() */
952                         break;
953                 if (!res2)      /* on timeout, play the message again */
954                         res2 = ast_play_and_wait(peer,"priv-callpending");
955                 if (!valid_priv_reply(opts, res2))
956                         res2 = 0;
957                 /* priv-callpending script: 
958                    "I have a caller waiting, who introduces themselves as:"
959                 */
960                 if (!res2)
961                         res2 = ast_play_and_wait(peer, pa->privintro);
962                 if (!valid_priv_reply(opts, res2))
963                         res2 = 0;
964                 /* now get input from the called party, as to their choice */
965                 if( !res2 ) {
966                         /* XXX can we have both, or they are mutually exclusive ? */
967                         if( ast_test_flag(opts, OPT_PRIVACY) )
968                                 res2 = ast_play_and_wait(peer,"priv-callee-options");
969                         if( ast_test_flag(opts, OPT_SCREENING) )
970                                 res2 = ast_play_and_wait(peer,"screen-callee-options");
971                 }
972                 /*! \page DialPrivacy Dial Privacy scripts
973                 \par priv-callee-options script:
974                         "Dial 1 if you wish this caller to reach you directly in the future,
975                                 and immediately connect to their incoming call
976                          Dial 2 if you wish to send this caller to voicemail now and 
977                                 forevermore.
978                          Dial 3 to send this caller to the torture menus, now and forevermore.
979                          Dial 4 to send this caller to a simple "go away" menu, now and forevermore.
980                          Dial 5 to allow this caller to come straight thru to you in the future,
981                                 but right now, just this once, send them to voicemail."
982                 \par screen-callee-options script:
983                         "Dial 1 if you wish to immediately connect to the incoming call
984                          Dial 2 if you wish to send this caller to voicemail.
985                          Dial 3 to send this caller to the torture menus.
986                          Dial 4 to send this caller to a simple "go away" menu.
987                 */
988                 if (valid_priv_reply(opts, res2))
989                         break;
990                 /* invalid option */
991                 res2 = ast_play_and_wait(peer, "vm-sorry");
992         }
993
994         if (ast_test_flag(opts, OPT_MUSICBACK)) {
995                 ast_moh_stop(chan);
996         } else if (ast_test_flag(opts, OPT_RINGBACK)) {
997                 ast_indicate(chan, -1);
998                 pa->sentringing=0;
999         }
1000         ast_autoservice_stop(chan);
1001         if(ast_test_flag(opts, OPT_PRIVACY) && (res2 >= '1' && res2 <= '5')) {
1002                 /* map keypresses to various things, the index is res2 - '1' */
1003                 static const char *_val[] = { "ALLOW", "DENY", "TORTURE", "KILL", "ALLOW" };
1004                 static const int _flag[] = { AST_PRIVACY_ALLOW, AST_PRIVACY_DENY, AST_PRIVACY_TORTURE, AST_PRIVACY_KILL, AST_PRIVACY_ALLOW};
1005                 int i = res2 - '1';
1006                 if (option_verbose > 2)
1007                         ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to %s\n",
1008                                              opt_args[OPT_ARG_PRIVACY], pa->privcid, _val[i]);
1009                 ast_privacy_set(opt_args[OPT_ARG_PRIVACY], pa->privcid, _flag[i]);
1010         }
1011         switch (res2) {
1012         case '1':
1013                 break;
1014         case '2':
1015                 ast_copy_string(pa->status, "NOANSWER", sizeof(pa->status));
1016                 break;
1017         case '3':
1018                 ast_copy_string(pa->status, "TORTURE", sizeof(pa->status));
1019                 break;
1020         case '4':
1021                 ast_copy_string(pa->status, "DONTCALL", sizeof(pa->status));
1022                 break;
1023         case '5':
1024                 /* XXX should we set status to DENY ? */
1025                 if( ast_test_flag(opts, OPT_PRIVACY) )
1026                         break;
1027                 /* if not privacy, then 5 is the same as "default" case */
1028         default:        /* bad input or -1 if failure to start autoservice */
1029                 /* well, if the user messes up, ... he had his chance... What Is The Best Thing To Do?  */
1030                 /* well, there seems basically two choices. Just patch the caller thru immediately,
1031                           or,... put 'em thru to voicemail. */
1032                 /* since the callee may have hung up, let's do the voicemail thing, no database decision */
1033                 ast_log(LOG_NOTICE, "privacy: no valid response from the callee. Sending the caller to voicemail, the callee isn't responding\n");
1034                 /* XXX should we set status to DENY ? */
1035                 /* XXX what about the privacy flags ? */
1036                 break;
1037         }
1038
1039         if (res2 == '1') {      /* the only case where we actually connect */
1040                 /* if the intro is NOCALLERID, then there's no reason to leave it on disk, it'll 
1041                    just clog things up, and it's not useful information, not being tied to a CID */
1042                 if( strncmp(pa->privcid,"NOCALLERID",10) == 0 || ast_test_flag(opts, OPT_SCREEN_NOINTRO) ) {
1043                         ast_filedelete(pa->privintro, NULL);
1044                         if( ast_fileexists(pa->privintro, NULL, NULL ) > 0 )
1045                                 ast_log(LOG_NOTICE, "privacy: ast_filedelete didn't do its job on %s\n", pa->privintro);
1046                         else if (option_verbose > 2)
1047                                 ast_verbose(VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", pa->privintro);
1048                 }
1049                 return 0;       /* the good exit path */
1050         } else {
1051                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1052                 return -1;
1053         }
1054 }
1055
1056 /*! \brief returns 1 if successful, 0 or <0 if the caller should 'goto out' */
1057 static int setup_privacy_args(struct privacy_args *pa,
1058         struct ast_flags *opts, char *opt_args[], struct ast_channel *chan)
1059 {
1060         char callerid[60];
1061         int res;
1062         char *l;
1063
1064         if (!ast_strlen_zero(chan->cid.cid_num)) {
1065                 l = ast_strdupa(chan->cid.cid_num);
1066                 ast_shrink_phone_number(l);
1067                 if (ast_test_flag(opts, OPT_PRIVACY) ) {
1068                         if (option_verbose > 2)
1069                                 ast_verbose(VERBOSE_PREFIX_3  "Privacy DB is '%s', clid is '%s'\n",
1070                                              opt_args[OPT_ARG_PRIVACY], l);
1071                         pa->privdb_val = ast_privacy_check(opt_args[OPT_ARG_PRIVACY], l);
1072                 } else {
1073                         if (option_verbose > 2)
1074                                 ast_verbose(VERBOSE_PREFIX_3  "Privacy Screening, clid is '%s'\n", l);
1075                         pa->privdb_val = AST_PRIVACY_UNKNOWN;
1076                 }
1077         } else {
1078                 char *tnam, *tn2;
1079
1080                 tnam = ast_strdupa(chan->name);
1081                 /* clean the channel name so slashes don't try to end up in disk file name */
1082                 for (tn2 = tnam; *tn2; tn2++) {
1083                         if (*tn2=='/')  /* any other chars to be afraid of? */
1084                                 *tn2 = '=';
1085                 }
1086                 if (option_verbose > 2)
1087                         ast_verbose(VERBOSE_PREFIX_3  "Privacy-- callerid is empty\n");
1088
1089                 snprintf(callerid, sizeof(callerid), "NOCALLERID_%s%s", chan->exten, tnam);
1090                 l = callerid;
1091                 pa->privdb_val = AST_PRIVACY_UNKNOWN;
1092         }
1093         
1094         ast_copy_string(pa->privcid,l,sizeof(pa->privcid));
1095
1096         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 */  
1097                 if (option_verbose > 2)
1098                         ast_verbose( VERBOSE_PREFIX_3  "CallerID set (%s); N option set; Screening should be off\n", pa->privcid);
1099                 pa->privdb_val = AST_PRIVACY_ALLOW;
1100         } else if (ast_test_flag(opts, OPT_SCREEN_NOCLID) && strncmp(pa->privcid,"NOCALLERID",10) == 0 ) {
1101                 if (option_verbose > 2)
1102                         ast_verbose( VERBOSE_PREFIX_3  "CallerID blank; N option set; Screening should happen; dbval is %d\n", pa->privdb_val);
1103         }
1104         
1105         if (pa->privdb_val == AST_PRIVACY_DENY ) {
1106                 ast_copy_string(pa->status, "NOANSWER", sizeof(pa->status));
1107                 if (option_verbose > 2)
1108                         ast_verbose( VERBOSE_PREFIX_3  "Privacy DB reports PRIVACY_DENY for this callerid. Dial reports unavailable\n");
1109                 return 0;
1110         } else if (pa->privdb_val == AST_PRIVACY_KILL ) {
1111                 ast_copy_string(pa->status, "DONTCALL", sizeof(pa->status));
1112                 if (ast_opt_priority_jumping || ast_test_flag(opts, OPT_PRIORITY_JUMP)) {
1113                         ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 201);
1114                 }
1115                 return 0; /* Is this right? */
1116         } else if (pa->privdb_val == AST_PRIVACY_TORTURE ) {
1117                 ast_copy_string(pa->status, "TORTURE", sizeof(pa->status));
1118                 if (ast_opt_priority_jumping || ast_test_flag(opts, OPT_PRIORITY_JUMP)) {
1119                         ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 301);
1120                 }
1121                 return 0; /* is this right??? */
1122         } else if (pa->privdb_val == AST_PRIVACY_UNKNOWN ) {
1123                 /* Get the user's intro, store it in priv-callerintros/$CID, 
1124                    unless it is already there-- this should be done before the 
1125                    call is actually dialed  */
1126
1127                 /* make sure the priv-callerintros dir actually exists */
1128                 snprintf(pa->privintro, sizeof(pa->privintro), "%s/sounds/priv-callerintros", ast_config_AST_DATA_DIR);
1129                 if (mkdir(pa->privintro, 0755) && errno != EEXIST) {
1130                         ast_log(LOG_WARNING, "privacy: can't create directory priv-callerintros: %s\n", strerror(errno));
1131                         return -1;
1132                 }
1133
1134                 snprintf(pa->privintro,sizeof(pa->privintro), "priv-callerintros/%s", pa->privcid);
1135                 if (ast_fileexists(pa->privintro,NULL,NULL ) > 0 && strncmp(pa->privcid,"NOCALLERID",10) != 0) {
1136                         /* the DELUX version of this code would allow this caller the
1137                            option to hear and retape their previously recorded intro.
1138                         */
1139                 } else {
1140                         int duration; /* for feedback from play_and_wait */
1141                         /* the file doesn't exist yet. Let the caller submit his
1142                            vocal intro for posterity */
1143                         /* priv-recordintro script:
1144
1145                            "At the tone, please say your name:"
1146
1147                         */
1148                         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 */
1149                                                                         /* don't think we'll need a lock removed, we took care of
1150                                                                            conflicts by naming the pa.privintro file */
1151                         if (res == -1) {
1152                                 /* Delete the file regardless since they hung up during recording */
1153                                 ast_filedelete(pa->privintro, NULL);
1154                                 if (ast_fileexists(pa->privintro,NULL,NULL ) > 0 )
1155                                         ast_log(LOG_NOTICE,"privacy: ast_filedelete didn't do its job on %s\n", pa->privintro);
1156                                 else if (option_verbose > 2)
1157                                         ast_verbose( VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", pa->privintro);
1158                                 return -1;
1159                         }
1160                         if (!ast_streamfile(chan, "vm-dialout", chan->language) )
1161                                 ast_waitstream(chan, "");
1162                 }
1163         }
1164         return 1;       /* success */
1165 }
1166
1167 static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags *peerflags)
1168 {
1169         int res = -1;   /* default: error */
1170         struct ast_module_user *u;
1171         char *rest, *cur;       /* scan the list of destinations */
1172         struct chanlist *outgoing = NULL;       /* list of destinations */
1173         struct ast_channel *peer;
1174         int to; /* timeout */
1175         struct cause_args num = { chan, 0, 0, 0 };
1176         int cause;
1177         char numsubst[AST_MAX_EXTENSION];
1178         char cidname[AST_MAX_EXTENSION];
1179
1180         struct ast_bridge_config config;
1181         unsigned int calldurationlimit = 0;
1182         char *dtmfcalled = NULL, *dtmfcalling = NULL;
1183         struct privacy_args pa = {
1184                 .sentringing = 0,
1185                 .privdb_val = 0,
1186         };
1187         int sentringing = 0, moh = 0;
1188         const char *outbound_group = NULL;
1189         int result = 0;
1190         time_t start_time;
1191         char *parse;
1192         int opermode = 0;
1193         AST_DECLARE_APP_ARGS(args,
1194                              AST_APP_ARG(peers);
1195                              AST_APP_ARG(timeout);
1196                              AST_APP_ARG(options);
1197                              AST_APP_ARG(url);
1198         );
1199         struct ast_flags opts = { 0, };
1200         char *opt_args[OPT_ARG_ARRAY_SIZE];
1201
1202         if (ast_strlen_zero(data)) {
1203                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
1204                 return -1;
1205         }
1206
1207         u = ast_module_user_add(chan);  /* XXX is this the right place ? */
1208
1209         parse = ast_strdupa(data);
1210
1211         AST_STANDARD_APP_ARGS(args, parse);
1212
1213         memset(&config,0,sizeof(struct ast_bridge_config));
1214
1215         if (!ast_strlen_zero(args.options) &&
1216                         ast_app_parse_options(dial_exec_options, &opts, opt_args, args.options))
1217                 goto done;
1218
1219         if (ast_strlen_zero(args.peers)) {
1220                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
1221                 goto done;
1222         }
1223
1224         if (ast_test_flag(&opts, OPT_OPERMODE)) {
1225                 opermode = ast_strlen_zero(opt_args[OPT_ARG_OPERMODE]) ? 1 : atoi(opt_args[OPT_ARG_OPERMODE]);
1226                 if (option_verbose > 2)
1227                         ast_verbose(VERBOSE_PREFIX_3 "Setting operator services mode to %d.\n", opermode);
1228         }
1229         
1230         if (ast_test_flag(&opts, OPT_DURATION_STOP) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_STOP])) {
1231                 calldurationlimit = atoi(opt_args[OPT_ARG_DURATION_STOP]);
1232                 if (!calldurationlimit) {
1233                         ast_log(LOG_WARNING, "Dial does not accept S(%s), hanging up.\n", opt_args[OPT_ARG_DURATION_STOP]);
1234                         goto done;
1235                 }
1236                 if (option_verbose > 2)
1237                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n", calldurationlimit);
1238         }
1239
1240         if (ast_test_flag(&opts, OPT_SENDDTMF) && !ast_strlen_zero(opt_args[OPT_ARG_SENDDTMF])) {
1241                 dtmfcalling = opt_args[OPT_ARG_SENDDTMF];
1242                 dtmfcalled = strsep(&dtmfcalling, ":");
1243         }
1244
1245         if (ast_test_flag(&opts, OPT_DURATION_LIMIT) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_LIMIT])) {
1246                 if (do_timelimit(chan, &config, opt_args[OPT_ARG_DURATION_LIMIT], &calldurationlimit))
1247                         goto done;
1248         }
1249
1250         if (ast_test_flag(&opts, OPT_RESETCDR) && chan->cdr)
1251                 ast_cdr_reset(chan->cdr, NULL);
1252         if (ast_test_flag(&opts, OPT_PRIVACY) && ast_strlen_zero(opt_args[OPT_ARG_PRIVACY]))
1253                 opt_args[OPT_ARG_PRIVACY] = ast_strdupa(chan->exten);
1254
1255         if (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) {
1256                 res = setup_privacy_args(&pa, &opts, opt_args, chan);
1257                 if (res <= 0)
1258                         goto out;
1259                 res = -1;       /* reset default */
1260         }
1261
1262         /* If a channel group has been specified, get it for use when we create peer channels */
1263         outbound_group = pbx_builtin_getvar_helper(chan, "OUTBOUND_GROUP");
1264
1265         ast_copy_flags(peerflags, &opts, OPT_DTMF_EXIT | OPT_GO_ON | OPT_ORIGINAL_CLID | OPT_CALLER_HANGUP | OPT_IGNORE_FORWARDING);
1266         /* loop through the list of dial destinations */
1267         rest = args.peers;
1268         while ((cur = strsep(&rest, "&")) ) {
1269                 struct chanlist *tmp;
1270                 struct ast_channel *tc; /* channel for this destination */
1271                 /* Get a technology/[device:]number pair */
1272                 char *number = cur;
1273                 char *tech = strsep(&number, "/");
1274                 if (!number) {
1275                         ast_log(LOG_WARNING, "Dial argument takes format (technology/[device:]number1)\n");
1276                         goto out;
1277                 }
1278                 if (!(tmp = ast_calloc(1, sizeof(*tmp))))
1279                         goto out;
1280                 if (opts.flags) {
1281                         ast_copy_flags(tmp, &opts,
1282                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
1283                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
1284                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
1285                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
1286                                        OPT_RINGBACK | OPT_MUSICBACK | OPT_FORCECLID);
1287                         ast_set2_flag(tmp, args.url, DIAL_NOFORWARDHTML);       
1288                 }
1289                 ast_copy_string(numsubst, number, sizeof(numsubst));
1290                 /* Request the peer */
1291                 tc = ast_request(tech, chan->nativeformats, numsubst, &cause);
1292                 if (!tc) {
1293                         /* If we can't, just go on to the next call */
1294                         ast_log(LOG_WARNING, "Unable to create channel of type '%s' (cause %d - %s)\n",
1295                                     tech, cause, ast_cause2str(cause));
1296                         handle_cause(cause, &num);
1297                         if (!rest)      /* we are on the last destination */
1298                                 chan->hangupcause = cause;
1299                         free(tmp);
1300                         continue;
1301                 }
1302                 pbx_builtin_setvar_helper(tc, "DIALEDPEERNUMBER", numsubst);
1303                 if (!ast_strlen_zero(tc->call_forward)) {
1304                         char tmpchan[256];
1305                         char *stuff;
1306                         char *tech;
1307                         ast_copy_string(tmpchan, tc->call_forward, sizeof(tmpchan));
1308                         if ((stuff = strchr(tmpchan, '/'))) {
1309                                 *stuff++ = '\0';
1310                                 tech = tmpchan;
1311                         } else {
1312                                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", tc->call_forward, tc->context);
1313                                 stuff = tmpchan;
1314                                 tech = "Local";
1315                         }
1316                         tmp->forwards++;
1317                         if (tmp->forwards < AST_MAX_FORWARDS) {
1318                                 if (option_verbose > 2)
1319                                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n",
1320                                         chan->name, tech, stuff, tc->name);
1321                                 ast_hangup(tc);
1322                                 /* If we have been told to ignore forwards, just set this channel to null
1323                                  * and continue processing extensions normally */
1324                                 if (ast_test_flag(&opts, OPT_IGNORE_FORWARDING)) {
1325                                         tc = NULL;
1326                                         cause = AST_CAUSE_BUSY;
1327                                         if (option_verbose > 2)
1328                                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n",
1329                                                         chan->name, tech, stuff);
1330                                 } else {
1331                                         tc = ast_request(tech, chan->nativeformats, stuff, &cause);
1332                                 }
1333                                 if (!tc)
1334                                         ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
1335                                 else
1336                                         ast_channel_inherit_variables(chan, tc);
1337                         } else {
1338                                 if (option_verbose > 2)
1339                                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", tc->name);
1340                                 ast_hangup(tc);
1341                                 tc = NULL;
1342                                 cause = AST_CAUSE_CONGESTION;
1343                         }
1344                         if (!tc) {
1345                                 handle_cause(cause, &num);
1346                                 free(tmp);
1347                                 continue;
1348                         }
1349                 }
1350
1351                 /* Setup outgoing SDP to match incoming one */
1352                 ast_rtp_make_compatible(tc, chan, !outgoing && !rest);
1353                 
1354                 /* Inherit specially named variables from parent channel */
1355                 ast_channel_inherit_variables(chan, tc);
1356
1357                 tc->appl = "AppDial";
1358                 tc->data = "(Outgoing Line)";
1359                 tc->whentohangup = 0;
1360
1361                 S_REPLACE(tc->cid.cid_num, ast_strdup(chan->cid.cid_num));
1362                 S_REPLACE(tc->cid.cid_name, ast_strdup(chan->cid.cid_name));
1363                 S_REPLACE(tc->cid.cid_ani, ast_strdup(chan->cid.cid_ani));
1364                 S_REPLACE(tc->cid.cid_rdnis, ast_strdup(chan->cid.cid_rdnis));
1365                 
1366                 /* Copy language from incoming to outgoing */
1367                 ast_string_field_set(tc, language, chan->language);
1368                 ast_string_field_set(tc, accountcode, chan->accountcode);
1369                 tc->cdrflags = chan->cdrflags;
1370                 if (ast_strlen_zero(tc->musicclass))
1371                         ast_string_field_set(tc, musicclass, chan->musicclass);
1372                 /* Pass callingpres, type of number, tns, ADSI CPE, transfer capability */
1373                 tc->cid.cid_pres = chan->cid.cid_pres;
1374                 tc->cid.cid_ton = chan->cid.cid_ton;
1375                 tc->cid.cid_tns = chan->cid.cid_tns;
1376                 tc->adsicpe = chan->adsicpe;
1377                 tc->transfercapability = chan->transfercapability;
1378
1379                 /* If we have an outbound group, set this peer channel to it */
1380                 if (outbound_group)
1381                         ast_app_group_set_channel(tc, outbound_group);
1382
1383                 /* Inherit context and extension */
1384                 ast_copy_string(tc->dialcontext, chan->context, sizeof(tc->dialcontext));
1385                 ast_copy_string(tc->exten, chan->exten, sizeof(tc->exten));
1386
1387                 res = ast_call(tc, numsubst, 0);        /* Place the call, but don't wait on the answer */
1388
1389                 /* Save the info in cdr's that we called them */
1390                 if (chan->cdr)
1391                         ast_cdr_setdestchan(chan->cdr, tc->name);
1392
1393                 /* check the results of ast_call */
1394                 if (res) {
1395                         /* Again, keep going even if there's an error */
1396                         if (option_debug)
1397                                 ast_log(LOG_DEBUG, "ast call on peer returned %d\n", res);
1398                         if (option_verbose > 2)
1399                                 ast_verbose(VERBOSE_PREFIX_3 "Couldn't call %s\n", numsubst);
1400                         ast_hangup(tc);
1401                         tc = NULL;
1402                         free(tmp);
1403                         continue;
1404                 } else {
1405                         senddialevent(chan, tc);
1406                         if (option_verbose > 2)
1407                                 ast_verbose(VERBOSE_PREFIX_3 "Called %s\n", numsubst);
1408                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID))
1409                                 ast_set_callerid(tc, S_OR(chan->macroexten, chan->exten), get_cid_name(cidname, sizeof(cidname), chan), NULL);
1410                 }
1411                 /* Put them in the list of outgoing thingies...  We're ready now. 
1412                    XXX If we're forcibly removed, these outgoing calls won't get
1413                    hung up XXX */
1414                 ast_set_flag(tmp, DIAL_STILLGOING);     
1415                 tmp->chan = tc;
1416                 tmp->next = outgoing;
1417                 outgoing = tmp;
1418                 /* If this line is up, don't try anybody else */
1419                 if (outgoing->chan->_state == AST_STATE_UP)
1420                         break;
1421         }
1422         
1423         if (ast_strlen_zero(args.timeout)) {
1424                 to = -1;
1425         } else {
1426                 to = atoi(args.timeout);
1427                 if (to > 0)
1428                         to *= 1000;
1429                 else
1430                         ast_log(LOG_WARNING, "Invalid timeout specified: '%s'\n", args.timeout);
1431         }
1432
1433         if (!outgoing) {
1434                 strcpy(pa.status, "CHANUNAVAIL");
1435         } else {
1436                 /* Our status will at least be NOANSWER */
1437                 strcpy(pa.status, "NOANSWER");
1438                 if (ast_test_flag(outgoing, OPT_MUSICBACK)) {
1439                         moh = 1;
1440                         ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1441                         ast_indicate(chan, AST_CONTROL_PROGRESS);
1442                 } else if (ast_test_flag(outgoing, OPT_RINGBACK)) {
1443                         ast_indicate(chan, AST_CONTROL_RINGING);
1444                         sentringing++;
1445                 }
1446         }
1447
1448         time(&start_time);
1449         peer = wait_for_answer(chan, outgoing, &to, peerflags, &pa, &num, ast_test_flag(&opts, OPT_PRIORITY_JUMP), &result);
1450         
1451         if (!peer) {
1452                 if (result) {
1453                         res = result;
1454                 } else if (to) { /* Musta gotten hung up */
1455                         res = -1;
1456                 } else { /* Nobody answered, next please? */
1457                         res = 0;
1458                 }
1459                 /* almost done, although the 'else' block is 400 lines */
1460         } else {
1461                 const char *number;
1462                 time_t end_time, answer_time = time(NULL);
1463                 char toast[80]; /* buffer to set variables */
1464
1465                 strcpy(pa.status, "ANSWER");
1466                 /* Ah ha!  Someone answered within the desired timeframe.  Of course after this
1467                    we will always return with -1 so that it is hung up properly after the 
1468                    conversation.  */
1469                 hanguptree(outgoing, peer);
1470                 outgoing = NULL;
1471                 /* If appropriate, log that we have a destination channel */
1472                 if (chan->cdr)
1473                         ast_cdr_setdestchan(chan->cdr, peer->name);
1474                 if (peer->name)
1475                         pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", peer->name);
1476
1477                 number = pbx_builtin_getvar_helper(peer, "DIALEDPEERNUMBER");
1478                 if (!number)
1479                         number = numsubst;
1480                 pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", number);
1481                 if (!ast_strlen_zero(args.url) && ast_channel_supports_html(peer) ) {
1482                         if (option_debug)
1483                                 ast_log(LOG_DEBUG, "app_dial: sendurl=%s.\n", args.url);
1484                         ast_channel_sendurl( peer, args.url );
1485                 }
1486                 if ( (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) && pa.privdb_val == AST_PRIVACY_UNKNOWN) {
1487                         if (do_privacy(chan, peer, &opts, opt_args, &pa)) {
1488                                 res = 0;
1489                                 goto out;
1490                         }
1491                 }
1492                 if (!ast_test_flag(&opts, OPT_ANNOUNCE) || ast_strlen_zero(opt_args[OPT_ARG_ANNOUNCE])) {
1493                         res = 0;
1494                 } else {
1495                         int digit = 0;
1496                         /* Start autoservice on the other chan */
1497                         res = ast_autoservice_start(chan);
1498                         /* Now Stream the File */
1499                         if (!res)
1500                                 res = ast_streamfile(peer, opt_args[OPT_ARG_ANNOUNCE], peer->language);
1501                         if (!res) {
1502                                 digit = ast_waitstream(peer, AST_DIGIT_ANY); 
1503                         }
1504                         /* Ok, done. stop autoservice */
1505                         res = ast_autoservice_stop(chan);
1506                         if (digit > 0 && !res)
1507                                 res = ast_senddigit(chan, digit); 
1508                         else
1509                                 res = digit;
1510
1511                 }
1512
1513                 if (chan && peer && ast_test_flag(&opts, OPT_GOTO) && !ast_strlen_zero(opt_args[OPT_ARG_GOTO])) {
1514                         replace_macro_delimiter(opt_args[OPT_ARG_GOTO]);
1515                         ast_parseable_goto(chan, opt_args[OPT_ARG_GOTO]);
1516                         ast_parseable_goto(peer, opt_args[OPT_ARG_GOTO]);
1517                         peer->priority++;
1518                         ast_pbx_start(peer);
1519                         hanguptree(outgoing, NULL);
1520                         res = 1;
1521                         goto done;
1522                 }
1523
1524                 if (ast_test_flag(&opts, OPT_CALLEE_MACRO) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_MACRO])) {
1525                         struct ast_app *theapp;
1526                         const char *macro_result;
1527
1528                         res = ast_autoservice_start(chan);
1529                         if (res) {
1530                                 ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
1531                                 res = -1;
1532                         }
1533
1534                         theapp = pbx_findapp("Macro");
1535
1536                         if (theapp && !res) {   /* XXX why check res here ? */
1537                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_MACRO]);
1538                                 res = pbx_exec(peer, theapp, opt_args[OPT_ARG_CALLEE_MACRO]);
1539                                 if (option_debug)
1540                                         ast_log(LOG_DEBUG, "Macro exited with status %d\n", res);
1541                                 res = 0;
1542                         } else {
1543                                 ast_log(LOG_ERROR, "Could not find application Macro\n");
1544                                 res = -1;
1545                         }
1546
1547                         if (ast_autoservice_stop(chan) < 0) {
1548                                 ast_log(LOG_ERROR, "Could not stop autoservice on calling channel\n");
1549                                 res = -1;
1550                         }
1551
1552                         if (!res && (macro_result = pbx_builtin_getvar_helper(peer, "MACRO_RESULT"))) {
1553                                 char *macro_transfer_dest;
1554
1555                                 if (!strcasecmp(macro_result, "BUSY")) {
1556                                         ast_copy_string(pa.status, macro_result, sizeof(pa.status));
1557                                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1558                                                 if (!ast_goto_if_exists(chan, NULL, NULL, chan->priority + 101)) {
1559                                                         ast_set_flag(peerflags, OPT_GO_ON);
1560                                                 }
1561                                         } else
1562                                                 ast_set_flag(peerflags, OPT_GO_ON);
1563                                         res = -1;
1564                                 } else if (!strcasecmp(macro_result, "CONGESTION") || !strcasecmp(macro_result, "CHANUNAVAIL")) {
1565                                         ast_copy_string(pa.status, macro_result, sizeof(pa.status));
1566                                         ast_set_flag(peerflags, OPT_GO_ON);     
1567                                         res = -1;
1568                                 } else if (!strcasecmp(macro_result, "CONTINUE")) {
1569                                         /* hangup peer and keep chan alive assuming the macro has changed 
1570                                            the context / exten / priority or perhaps 
1571                                            the next priority in the current exten is desired.
1572                                         */
1573                                         ast_set_flag(peerflags, OPT_GO_ON);     
1574                                         res = -1;
1575                                 } else if (!strcasecmp(macro_result, "ABORT")) {
1576                                         /* Hangup both ends unless the caller has the g flag */
1577                                         res = -1;
1578                                 } else if (!strncasecmp(macro_result, "GOTO:", 5) && (macro_transfer_dest = ast_strdupa(macro_result + 5))) {
1579                                         res = -1;
1580                                         /* perform a transfer to a new extension */
1581                                         if (strchr(macro_transfer_dest, '^')) { /* context^exten^priority*/
1582                                                 replace_macro_delimiter(macro_transfer_dest);
1583                                                 if (!ast_parseable_goto(chan, macro_transfer_dest))
1584                                                         ast_set_flag(peerflags, OPT_GO_ON);
1585                                         }
1586                                 }
1587                         }
1588                 }
1589
1590                 if (!res) {
1591                         if (calldurationlimit > 0) {
1592                                 chan->whentohangup = time(NULL) + calldurationlimit;
1593                         }
1594                         if (!ast_strlen_zero(dtmfcalled)) { 
1595                                 if (option_verbose > 2)
1596                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the called party.\n", dtmfcalled);
1597                                 res = ast_dtmf_stream(peer,chan,dtmfcalled,250);
1598                         }
1599                         if (!ast_strlen_zero(dtmfcalling)) {
1600                                 if (option_verbose > 2)
1601                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the calling party.\n", dtmfcalling);
1602                                 res = ast_dtmf_stream(chan,peer,dtmfcalling,250);
1603                         }
1604                 }
1605                 
1606                 if (res) {      /* some error */
1607                         res = -1;
1608                         end_time = time(NULL);
1609                 } else {
1610                         if (ast_test_flag(peerflags, OPT_CALLEE_TRANSFER))
1611                                 ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
1612                         if (ast_test_flag(peerflags, OPT_CALLER_TRANSFER))
1613                                 ast_set_flag(&(config.features_caller), AST_FEATURE_REDIRECT);
1614                         if (ast_test_flag(peerflags, OPT_CALLEE_HANGUP))
1615                                 ast_set_flag(&(config.features_callee), AST_FEATURE_DISCONNECT);
1616                         if (ast_test_flag(peerflags, OPT_CALLER_HANGUP))
1617                                 ast_set_flag(&(config.features_caller), AST_FEATURE_DISCONNECT);
1618                         if (ast_test_flag(peerflags, OPT_CALLEE_MONITOR))
1619                                 ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
1620                         if (ast_test_flag(peerflags, OPT_CALLER_MONITOR)) 
1621                                 ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
1622                         if (ast_test_flag(peerflags, OPT_CALLEE_PARK))
1623                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PARKCALL);
1624                         if (ast_test_flag(peerflags, OPT_CALLER_PARK))
1625                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PARKCALL);
1626
1627                         if (moh) {
1628                                 moh = 0;
1629                                 ast_moh_stop(chan);
1630                         } else if (sentringing) {
1631                                 sentringing = 0;
1632                                 ast_indicate(chan, -1);
1633                         }
1634                         /* Be sure no generators are left on it */
1635                         ast_deactivate_generator(chan);
1636                         /* Make sure channels are compatible */
1637                         res = ast_channel_make_compatible(chan, peer);
1638                         if (res < 0) {
1639                                 ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", chan->name, peer->name);
1640                                 ast_hangup(peer);
1641                                 res = -1;
1642                                 goto done;
1643                         }
1644                         if (opermode && !strncmp(chan->name,"Zap",3) && !strncmp(peer->name,"Zap",3)) {
1645                                 /* XXX what's this special handling for Zap <-> Zap ? */
1646                                 struct oprmode oprmode;
1647
1648                                 oprmode.peer = peer;
1649                                 oprmode.mode = opermode;
1650
1651                                 ast_channel_setoption(chan,
1652                                         AST_OPTION_OPRMODE,&oprmode,sizeof(struct oprmode),0);
1653                         }
1654                         res = ast_bridge_call(chan,peer,&config);
1655                         end_time = time(NULL);
1656                         snprintf(toast, sizeof(toast), "%ld", (long)(end_time - answer_time));
1657                         pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", toast);
1658                 }
1659
1660                 snprintf(toast, sizeof(toast), "%ld", (long)(end_time - start_time));
1661                 pbx_builtin_setvar_helper(chan, "DIALEDTIME", toast);
1662
1663                 if (res != AST_PBX_NO_HANGUP_PEER) {
1664                         if (!chan->_softhangup)
1665                                 chan->hangupcause = peer->hangupcause;
1666                         ast_hangup(peer);
1667                 }
1668         }       
1669 out:
1670         if (moh) {
1671                 moh = 0;
1672                 ast_moh_stop(chan);
1673         } else if (sentringing) {
1674                 sentringing = 0;
1675                 ast_indicate(chan, -1);
1676         }
1677         ast_channel_early_bridge(chan, NULL);
1678         hanguptree(outgoing, NULL);
1679         pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1680         senddialendevent(chan, pa.status);
1681         if (option_debug)
1682                 ast_log(LOG_DEBUG, "Exiting with DIALSTATUS=%s.\n", pa.status);
1683         
1684         if ((ast_test_flag(peerflags, OPT_GO_ON)) && (!chan->_softhangup) && (res != AST_PBX_KEEPALIVE))
1685                 res = 0;
1686
1687 done:
1688         ast_module_user_remove(u);      /* XXX probably not the right place for this. */
1689         return res;
1690 }
1691
1692 static int dial_exec(struct ast_channel *chan, void *data)
1693 {
1694         struct ast_flags peerflags;
1695         int res = 0;
1696
1697         memset(&peerflags, 0, sizeof(peerflags));
1698         res = dial_exec_full(chan, data, &peerflags);
1699
1700         return (res >= 0 ? 0 : -1);
1701 }
1702
1703 static int retrydial_exec(struct ast_channel *chan, void *data)
1704 {
1705         char *announce = NULL, *dialdata = NULL;
1706         const char *context = NULL;
1707         int sleep = 0, loops = 0, res = -1;
1708         struct ast_module_user *u;
1709         struct ast_flags peerflags;
1710         
1711         if (ast_strlen_zero(data)) {
1712                 ast_log(LOG_WARNING, "RetryDial requires an argument!\n");
1713                 return -1;
1714         }       
1715
1716         u = ast_module_user_add(chan);
1717
1718         announce = ast_strdupa(data);
1719
1720         memset(&peerflags, 0, sizeof(peerflags));
1721
1722         if ((dialdata = strchr(announce, '|'))) {
1723                 *dialdata++ = '\0';
1724                 if ((sleep = atoi(dialdata))) {
1725                         sleep *= 1000;
1726                 } else {
1727                         ast_log(LOG_ERROR, "%s requires the numerical argument <sleep>\n",rapp);
1728                         goto done;
1729                 }
1730                 if ((dialdata = strchr(dialdata, '|'))) {
1731                         *dialdata++ = '\0';
1732                         if (!(loops = atoi(dialdata))) {
1733                                 ast_log(LOG_ERROR, "%s requires the numerical argument <loops>\n",rapp);
1734                                 goto done;
1735                         }
1736                 }
1737         }
1738         
1739         if ((dialdata = strchr(dialdata, '|'))) {
1740                 *dialdata++ = '\0';
1741         } else {
1742                 ast_log(LOG_ERROR, "%s requires more arguments\n",rapp);
1743                 goto done;
1744         }
1745                 
1746         if (sleep < 1000)
1747                 sleep = 10000;
1748
1749         if (!loops)
1750                 loops = -1;     /* run forever */
1751         
1752         context = pbx_builtin_getvar_helper(chan, "EXITCONTEXT");
1753
1754         res = 0;
1755         while (loops) {
1756                 chan->data = "Retrying";
1757                 if (ast_test_flag(chan, AST_FLAG_MOH))
1758                         ast_moh_stop(chan);
1759
1760                 res = dial_exec_full(chan, dialdata, &peerflags);
1761                 if (res == 1) {
1762                         break;
1763                 } else if (res == 0) {
1764                         if (ast_test_flag(&peerflags, OPT_DTMF_EXIT)) {
1765                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1766                                         res = ast_waitstream(chan, AST_DIGIT_ANY);
1767                                 if (!res && sleep) {
1768                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1769                                                 ast_moh_start(chan, NULL, NULL);
1770                                         res = ast_waitfordigit(chan, sleep);
1771                                 }
1772                         } else {
1773                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1774                                         res = ast_waitstream(chan, "");
1775                                 if (sleep) {
1776                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1777                                                 ast_moh_start(chan, NULL, NULL);
1778                                         if (!res) 
1779                                                 res = ast_waitfordigit(chan, sleep);
1780                                 }
1781                         }
1782                 }
1783
1784                 if (res < 0)
1785                         break;
1786                 else if (res > 0) { /* Trying to send the call elsewhere (1 digit ext) */
1787                         if (onedigit_goto(chan, context, (char) res, 1)) {
1788                                 res = 0;
1789                                 break;
1790                         }
1791                 }
1792                 loops--;
1793         }
1794         if (loops == 0)
1795                 res = 0;
1796         else if (res == 1)
1797                 res = 0;
1798
1799         if (ast_test_flag(chan, AST_FLAG_MOH))
1800                 ast_moh_stop(chan);
1801
1802  done:
1803         ast_module_user_remove(u);
1804         return res;
1805 }
1806
1807 static int unload_module(void)
1808 {
1809         int res;
1810
1811         res = ast_unregister_application(app);
1812         res |= ast_unregister_application(rapp);
1813
1814         ast_module_user_hangup_all();
1815         
1816         return res;
1817 }
1818
1819 static int load_module(void)
1820 {
1821         int res;
1822
1823         res = ast_register_application(app, dial_exec, synopsis, descrip);
1824         res |= ast_register_application(rapp, retrydial_exec, rsynopsis, rdescrip);
1825         
1826         return res;
1827 }
1828
1829 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Dialing Application");