Merged revisions 75405 via svnmerge from
[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 | INVALIDARGS\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"
96 "  If the OUTBOUND_GROUP_ONCE variable is set, all peer channels created by this\n"
97 "application will be put into that group (as in Set(GROUP()=...). Unlike OUTBOUND_GROUP,\n"
98 "however, the variable will be unset after use.\n\n"
99 "  Options:\n"
100 "    A(x) - Play an announcement to the called party, using 'x' as the file.\n"
101 "    C    - Reset the CDR for this call.\n"
102 "    c    - If DIAL cancels this call, always set the flag to tell the channel\n"
103 "           driver that the call is answered elsewhere.\n"
104 "    d    - Allow the calling user to dial a 1 digit extension while waiting for\n"
105 "           a call to be answered. Exit to that extension if it exists in the\n"
106 "           current context, or the context defined in the EXITCONTEXT variable,\n"
107 "           if it exists.\n"
108 "    D([called][:calling]) - Send the specified DTMF strings *after* the called\n"
109 "           party has answered, but before the call gets bridged. The 'called'\n"
110 "           DTMF string is sent to the called party, and the 'calling' DTMF\n"
111 "           string is sent to the calling party. Both parameters can be used\n"
112 "           alone.\n"
113 "    e    - execute the 'h' extension for peer after the call ends\n"
114 "    f    - Force the callerid of the *calling* channel to be set as the\n"
115 "           extension associated with the channel using a dialplan 'hint'.\n"
116 "           For example, some PSTNs do not allow CallerID to be set to anything\n"
117 "           other than the number assigned to the caller.\n"
118 "    g    - Proceed with dialplan execution at the current extension if the\n"
119 "           destination channel hangs up.\n"
120 "    G(context^exten^pri) - If the call is answered, transfer the calling party to\n"
121 "           the specified priority and the called party to the specified priority+1.\n"
122 "           Optionally, an extension, or extension and context may be specified. \n"
123 "           Otherwise, the current extension is used. You cannot use any additional\n"
124 "           action post answer options in conjunction with this option.\n" 
125 "    h    - Allow the called party to hang up by sending the '*' DTMF digit.\n"
126 "    H    - Allow the calling party to hang up by hitting the '*' DTMF digit.\n"
127 "    i    - Asterisk will ignore any forwarding requests it may receive on this\n"
128 "           dial attempt.\n"
129 "    k    - Allow the called party to enable parking of the call by sending\n"
130 "           the DTMF sequence defined for call parking in features.conf.\n"
131 "    K    - Allow the calling party to enable parking of the call by sending\n"
132 "           the DTMF sequence defined for call parking in features.conf.\n"
133 "    L(x[:y][:z]) - Limit the call to 'x' ms. Play a warning when 'y' ms are\n"
134 "           left. Repeat the warning every 'z' ms. The following special\n"
135 "           variables can be used with this option:\n"
136 "           * LIMIT_PLAYAUDIO_CALLER   yes|no (default yes)\n"
137 "                                      Play sounds to the caller.\n"
138 "           * LIMIT_PLAYAUDIO_CALLEE   yes|no\n"
139 "                                      Play sounds to the callee.\n"
140 "           * LIMIT_TIMEOUT_FILE       File to play when time is up.\n"
141 "           * LIMIT_CONNECT_FILE       File to play when call begins.\n"
142 "           * LIMIT_WARNING_FILE       File to play as warning if 'y' is defined.\n"
143 "                                      The default is to say the time remaining.\n"
144 "    m([class]) - Provide hold music to the calling party until a requested\n"
145 "           channel answers. A specific MusicOnHold class can be\n"
146 "           specified.\n"
147 "    M(x[^arg]) - Execute the Macro for the *called* channel before connecting\n"
148 "           to the calling channel. Arguments can be specified to the Macro\n"
149 "           using '^' as a delimeter. The Macro can set the variable\n"
150 "           MACRO_RESULT to specify the following actions after the Macro is\n" 
151 "           finished executing.\n"
152 "           * ABORT        Hangup both legs of the call.\n"
153 "           * CONGESTION   Behave as if line congestion was encountered.\n"
154 "           * BUSY         Behave as if a busy signal was encountered.\n"
155 "           * CONTINUE     Hangup the called party and allow the calling party\n"
156 "                          to continue dialplan execution at the next priority.\n"
157 "           * GOTO:<context>^<exten>^<priority> - Transfer the call to the\n"
158 "                          specified priority. Optionally, an extension, or\n"
159 "                          extension and priority can be specified.\n"
160 "           You cannot use any additional action post answer options in conjunction\n"
161 "           with this option. Also, pbx services are not run on the peer (called) channel,\n"
162 "           so you will not be able to set timeouts via the TIMEOUT() function in this macro.\n"
163 "    n    - This option is a modifier for the screen/privacy mode. It specifies\n"
164 "           that no introductions are to be saved in the priv-callerintros\n"
165 "           directory.\n"
166 "    N    - This option is a modifier for the screen/privacy mode. It specifies\n"
167 "           that if callerID is present, do not screen the call.\n"
168 "    o    - Specify that the CallerID that was present on the *calling* channel\n"
169 "           be set as the CallerID on the *called* channel. This was the\n"
170 "           behavior of Asterisk 1.0 and earlier.\n"
171 "    O([x]) - \"Operator Services\" mode (Zaptel channel to Zaptel channel\n"
172 "             only, if specified on non-Zaptel interface, it will be ignored).\n"
173 "             When the destination answers (presumably an operator services\n"
174 "             station), the originator no longer has control of their line.\n"
175 "             They may hang up, but the switch will not release their line\n"
176 "             until the destination party hangs up (the operator). Specified\n"
177 "             without an arg, or with 1 as an arg, the originator hanging up\n"
178 "             will cause the phone to ring back immediately. With a 2 specified,\n"
179 "             when the \"operator\" flashes the trunk, it will ring their phone\n"
180 "             back.\n"
181 "    p    - This option enables screening mode. This is basically Privacy mode\n"
182 "           without memory.\n"
183 "    P([x]) - Enable privacy mode. Use 'x' as the family/key in the database if\n"
184 "           it is provided. The current extension is used if a database\n"
185 "           family/key is not specified.\n"
186 "    r    - Indicate ringing to the calling party. Pass no audio to the calling\n"
187 "           party until the called channel has answered.\n"
188 "    S(x) - Hang up the call after 'x' seconds *after* the called party has\n"
189 "           answered the call.\n"       
190 "    t    - Allow the called party to transfer the calling party by sending the\n"
191 "           DTMF sequence defined in features.conf.\n"
192 "    T    - Allow the calling party to transfer the called party by sending the\n"
193 "           DTMF sequence defined in features.conf.\n"
194 "    U(x[^arg]) - Execute via Gosub the routine 'x' for the *called* channel before connecting\n"
195 "           to the calling channel. Arguments can be specified to the Gosub\n"
196 "           using '^' as a delimeter. The Gosub routine can set the variable\n"
197 "           GOSUB_RESULT to specify the following actions after the Gosub returns.\n" 
198 "           * ABORT        Hangup both legs of the call.\n"
199 "           * CONGESTION   Behave as if line congestion was encountered.\n"
200 "           * BUSY         Behave as if a busy signal was encountered.\n"
201 "           * CONTINUE     Hangup the called party and allow the calling party\n"
202 "                          to continue dialplan execution at the next priority.\n"
203 "           * GOTO:<context>^<exten>^<priority> - Transfer the call to the\n"
204 "                          specified priority. Optionally, an extension, or\n"
205 "                          extension and priority can be specified.\n"
206 "           You cannot use any additional action post answer options in conjunction\n"
207 "           with this option. Also, pbx services are not run on the peer (called) channel,\n"
208 "           so you will not be able to set timeouts via the TIMEOUT() function in this routine.\n"
209 "    w    - Allow the called party to enable recording of the call by sending\n"
210 "           the DTMF sequence defined for one-touch recording in features.conf.\n"
211 "    W    - Allow the calling party to enable recording of the call by sending\n"
212 "           the DTMF sequence defined for one-touch recording in features.conf.\n";
213
214 /* RetryDial App by Anthony Minessale II <anthmct@yahoo.com> Jan/2005 */
215 static char *rapp = "RetryDial";
216 static char *rsynopsis = "Place a call, retrying on failure allowing optional exit extension.";
217 static char *rdescrip =
218 "  RetryDial(announce|sleep|retries|dialargs): This application will attempt to\n"
219 "place a call using the normal Dial application. If no channel can be reached,\n"
220 "the 'announce' file will be played. Then, it will wait 'sleep' number of\n"
221 "seconds before retying the call. After 'retires' number of attempts, the\n"
222 "calling channel will continue at the next priority in the dialplan. If the\n"
223 "'retries' setting is set to 0, this application will retry endlessly.\n"
224 "  While waiting to retry a call, a 1 digit extension may be dialed. If that\n"
225 "extension exists in either the context defined in ${EXITCONTEXT} or the current\n"
226 "one, The call will jump to that extension immediately.\n"
227 "  The 'dialargs' are specified in the same format that arguments are provided\n"
228 "to the Dial application.\n";
229
230 enum {
231         OPT_ANNOUNCE =          (1 << 0),
232         OPT_RESETCDR =          (1 << 1),
233         OPT_DTMF_EXIT =         (1 << 2),
234         OPT_SENDDTMF =          (1 << 3),
235         OPT_FORCECLID =         (1 << 4),
236         OPT_GO_ON =             (1 << 5),
237         OPT_CALLEE_HANGUP =     (1 << 6),
238         OPT_CALLER_HANGUP =     (1 << 7),
239         OPT_DURATION_LIMIT =    (1 << 9),
240         OPT_MUSICBACK =         (1 << 10),
241         OPT_CALLEE_MACRO =      (1 << 11),
242         OPT_SCREEN_NOINTRO =    (1 << 12),
243         OPT_SCREEN_NOCLID =     (1 << 13),
244         OPT_ORIGINAL_CLID =     (1 << 14),
245         OPT_SCREENING =         (1 << 15),
246         OPT_PRIVACY =           (1 << 16),
247         OPT_RINGBACK =          (1 << 17),
248         OPT_DURATION_STOP =     (1 << 18),
249         OPT_CALLEE_TRANSFER =   (1 << 19),
250         OPT_CALLER_TRANSFER =   (1 << 20),
251         OPT_CALLEE_MONITOR =    (1 << 21),
252         OPT_CALLER_MONITOR =    (1 << 22),
253         OPT_GOTO =              (1 << 23),
254         OPT_OPERMODE =          (1 << 24),
255         OPT_CALLEE_PARK =       (1 << 25),
256         OPT_CALLER_PARK =       (1 << 26),
257         OPT_IGNORE_FORWARDING = (1 << 27),
258         OPT_CALLEE_GOSUB =      (1 << 28),
259         OPT_CANCEL_ELSEWHERE =  (1 << 29),
260         OPT_PEER_H =            (1 << 30),
261 };
262
263 #define DIAL_STILLGOING                 (1 << 31)
264 #define DIAL_NOFORWARDHTML              ((uint64_t)1 << 32) /* flags are now 64 bits, so keep it up! */
265
266 enum {
267         OPT_ARG_ANNOUNCE = 0,
268         OPT_ARG_SENDDTMF,
269         OPT_ARG_GOTO,
270         OPT_ARG_DURATION_LIMIT,
271         OPT_ARG_MUSICBACK,
272         OPT_ARG_CALLEE_MACRO,
273         OPT_ARG_CALLEE_GOSUB,
274         OPT_ARG_PRIVACY,
275         OPT_ARG_DURATION_STOP,
276         OPT_ARG_OPERMODE,
277         /* note: this entry _MUST_ be the last one in the enum */
278         OPT_ARG_ARRAY_SIZE,
279 };
280
281 AST_APP_OPTIONS(dial_exec_options, {
282         AST_APP_OPTION_ARG('A', OPT_ANNOUNCE, OPT_ARG_ANNOUNCE),
283         AST_APP_OPTION('C', OPT_RESETCDR),
284         AST_APP_OPTION('c', OPT_CANCEL_ELSEWHERE),
285         AST_APP_OPTION('d', OPT_DTMF_EXIT),
286         AST_APP_OPTION_ARG('D', OPT_SENDDTMF, OPT_ARG_SENDDTMF),
287         AST_APP_OPTION('e', OPT_PEER_H),
288         AST_APP_OPTION('f', OPT_FORCECLID),
289         AST_APP_OPTION('g', OPT_GO_ON),
290         AST_APP_OPTION_ARG('G', OPT_GOTO, OPT_ARG_GOTO),
291         AST_APP_OPTION('h', OPT_CALLEE_HANGUP),
292         AST_APP_OPTION('H', OPT_CALLER_HANGUP),
293         AST_APP_OPTION('i', OPT_IGNORE_FORWARDING),
294         AST_APP_OPTION('k', OPT_CALLEE_PARK),
295         AST_APP_OPTION('K', OPT_CALLER_PARK),
296         AST_APP_OPTION_ARG('L', OPT_DURATION_LIMIT, OPT_ARG_DURATION_LIMIT),
297         AST_APP_OPTION_ARG('m', OPT_MUSICBACK, OPT_ARG_MUSICBACK),
298         AST_APP_OPTION_ARG('M', OPT_CALLEE_MACRO, OPT_ARG_CALLEE_MACRO),
299         AST_APP_OPTION('n', OPT_SCREEN_NOINTRO),
300         AST_APP_OPTION('N', OPT_SCREEN_NOCLID),
301         AST_APP_OPTION_ARG('O', OPT_OPERMODE,OPT_ARG_OPERMODE),
302         AST_APP_OPTION('o', OPT_ORIGINAL_CLID),
303         AST_APP_OPTION('p', OPT_SCREENING),
304         AST_APP_OPTION_ARG('P', OPT_PRIVACY, OPT_ARG_PRIVACY),
305         AST_APP_OPTION('r', OPT_RINGBACK),
306         AST_APP_OPTION_ARG('S', OPT_DURATION_STOP, OPT_ARG_DURATION_STOP),
307         AST_APP_OPTION('t', OPT_CALLEE_TRANSFER),
308         AST_APP_OPTION('T', OPT_CALLER_TRANSFER),
309         AST_APP_OPTION_ARG('U', OPT_CALLEE_GOSUB, OPT_ARG_CALLEE_GOSUB),
310         AST_APP_OPTION('w', OPT_CALLEE_MONITOR),
311         AST_APP_OPTION('W', OPT_CALLER_MONITOR),
312 });
313
314 /*
315  * The list of active channels
316  */
317 struct chanlist {
318         struct chanlist *next;
319         struct ast_channel *chan;
320         uint64_t flags;
321         int forwards;
322 };
323
324
325 static void hanguptree(struct chanlist *outgoing, struct ast_channel *exception, int answered_elsewhere)
326 {
327         /* Hang up a tree of stuff */
328         struct chanlist *oo;
329         while (outgoing) {
330                 /* Hangup any existing lines we have open */
331                 if (outgoing->chan && (outgoing->chan != exception)) {
332                         if (answered_elsewhere)
333                                 ast_set_flag(outgoing->chan, AST_FLAG_ANSWERED_ELSEWHERE);
334                         ast_hangup(outgoing->chan);
335                 }
336                 oo = outgoing;
337                 outgoing=outgoing->next;
338                 ast_free(oo);
339         }
340 }
341
342 #define AST_MAX_FORWARDS   8
343
344 #define AST_MAX_WATCHERS 256
345
346 /*
347  * argument to handle_cause() and other functions.
348  */
349 struct cause_args {
350         struct ast_channel *chan;
351         int busy;
352         int congestion;
353         int nochan;
354 };
355
356 static void handle_cause(int cause, struct cause_args *num)
357 {
358         struct ast_cdr *cdr = num->chan->cdr;
359
360         switch(cause) {
361         case AST_CAUSE_BUSY:
362                 if (cdr)
363                         ast_cdr_busy(cdr);
364                 num->busy++;
365                 break;
366
367         case AST_CAUSE_CONGESTION:
368                 if (cdr)
369                         ast_cdr_failed(cdr);
370                 num->congestion++;
371                 break;
372
373         case AST_CAUSE_UNREGISTERED:
374                 if (cdr)
375                         ast_cdr_failed(cdr);
376                 num->nochan++;
377                 break;
378
379         case AST_CAUSE_NORMAL_CLEARING:
380                 break;
381
382         default:
383                 num->nochan++;
384                 break;
385         }
386 }
387
388 /* free the buffer if allocated, and set the pointer to the second arg */
389 #define S_REPLACE(s, new_val)           \
390         do {                            \
391                 if (s)                  \
392                         free(s);        \
393                 s = (new_val);          \
394         } while (0)
395
396 static int onedigit_goto(struct ast_channel *chan, const char *context, char exten, int pri) 
397 {
398         char rexten[2] = { exten, '\0' };
399
400         if (context) {
401                 if (!ast_goto_if_exists(chan, context, rexten, pri))
402                         return 1;
403         } else {
404                 if (!ast_goto_if_exists(chan, chan->context, rexten, pri))
405                         return 1;
406                 else if (!ast_strlen_zero(chan->macrocontext)) {
407                         if (!ast_goto_if_exists(chan, chan->macrocontext, rexten, pri))
408                                 return 1;
409                 }
410         }
411         return 0;
412 }
413
414
415 static const char *get_cid_name(char *name, int namelen, struct ast_channel *chan)
416 {
417         const char *context = S_OR(chan->macrocontext, chan->context);
418         const char *exten = S_OR(chan->macroexten, chan->exten);
419
420         return ast_get_hint(NULL, 0, name, namelen, chan, context, exten) ? name : "";
421 }
422
423 static void senddialevent(struct ast_channel *src, struct ast_channel *dst)
424 {
425         manager_event(EVENT_FLAG_CALL, "Dial", 
426                            "SubEvent: Begin\r\n"
427                            "Source: %s\r\n"
428                            "Destination: %s\r\n"
429                            "CallerIDNum: %s\r\n"
430                            "CallerIDName: %s\r\n"
431                            "SrcUniqueID: %s\r\n"
432                            "DestUniqueID: %s\r\n",
433                            src->name, dst->name, S_OR(src->cid.cid_num, "<unknown>"),
434                            S_OR(src->cid.cid_name, "<unknown>"), src->uniqueid,
435                            dst->uniqueid);
436 }
437
438 static void senddialendevent(const struct ast_channel *src, const char *dialstatus)
439 {
440         manager_event(EVENT_FLAG_CALL, "Dial",
441                                         "SubEvent: End\r\n"
442                                         "Channel: %s\r\n"
443                                         "DialStatus: %s\r\n",
444                                         src->name, dialstatus);
445 }       
446
447 /*!
448  * helper function for wait_for_answer()
449  *
450  * XXX this code is highly suspicious, as it essentially overwrites
451  * the outgoing channel without properly deleting it.
452  */
453 static void do_forward(struct chanlist *o,
454         struct cause_args *num, struct ast_flags *peerflags, int single)
455 {
456         char tmpchan[256];
457         struct ast_channel *original = o->chan;
458         struct ast_channel *c = o->chan; /* the winner */
459         struct ast_channel *in = num->chan; /* the input channel */
460         char *stuff;
461         char *tech;
462         int cause;
463
464         ast_copy_string(tmpchan, c->call_forward, sizeof(tmpchan));
465         if ((stuff = strchr(tmpchan, '/'))) {
466                 *stuff++ = '\0';
467                 tech = tmpchan;
468         } else {
469                 const char *forward_context = pbx_builtin_getvar_helper(c, "FORWARD_CONTEXT");
470                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", c->call_forward, forward_context ? forward_context : c->context);
471                 stuff = tmpchan;
472                 tech = "Local";
473         }
474         /* Before processing channel, go ahead and check for forwarding */
475         o->forwards++;
476         if (o->forwards < AST_MAX_FORWARDS) {
477                 if (option_verbose > 2)
478                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", in->name, tech, stuff, c->name);
479                 /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
480                 if (ast_test_flag(peerflags, OPT_IGNORE_FORWARDING)) {
481                         if (option_verbose > 2)
482                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n", in->name, tech, stuff);
483                         c = o->chan = NULL;
484                         cause = AST_CAUSE_BUSY;
485                 } else {
486                         /* Setup parameters */
487                         c = o->chan = ast_request(tech, in->nativeformats, stuff, &cause);
488                         if (c) {
489                                 if (single)
490                                         ast_channel_make_compatible(o->chan, in);
491                                 ast_channel_inherit_variables(in, o->chan);
492                         } else
493                                 ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
494                 }
495         } else {
496                 if (option_verbose > 2)
497                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", c->name);
498                 cause = AST_CAUSE_CONGESTION;
499                 c = o->chan = NULL;
500         }
501         if (!c) {
502                 ast_clear_flag(o, DIAL_STILLGOING);     
503                 handle_cause(cause, num);
504         } else {
505                 char *new_cid_num, *new_cid_name;
506                 struct ast_channel *src;
507
508                 ast_rtp_make_compatible(c, in, single);
509                 if (ast_test_flag(o, OPT_FORCECLID)) {
510                         new_cid_num = ast_strdup(S_OR(in->macroexten, in->exten));
511                         new_cid_name = NULL; /* XXX no name ? */
512                         src = c;        /* XXX possible bug in previous code, which used 'winner' ? it may have changed */
513                 } else {
514                         new_cid_num = ast_strdup(in->cid.cid_num);
515                         new_cid_name = ast_strdup(in->cid.cid_name);
516                         src = in;
517                 }
518                 ast_string_field_set(c, accountcode, src->accountcode);
519                 c->cdrflags = src->cdrflags;
520                 S_REPLACE(c->cid.cid_num, new_cid_num);
521                 S_REPLACE(c->cid.cid_name, new_cid_name);
522
523                 if (in->cid.cid_ani) { /* XXX or maybe unconditional ? */
524                         S_REPLACE(c->cid.cid_ani, ast_strdup(in->cid.cid_ani));
525                 }
526                 S_REPLACE(c->cid.cid_rdnis, ast_strdup(S_OR(in->macroexten, in->exten)));
527                 if (ast_call(c, tmpchan, 0)) {
528                         ast_log(LOG_NOTICE, "Failed to dial on local channel for call forward to '%s'\n", tmpchan);
529                         ast_clear_flag(o, DIAL_STILLGOING);     
530                         ast_hangup(original);
531                         c = o->chan = NULL;
532                         num->nochan++;
533                 } else {
534                         senddialevent(in, c);
535                         /* After calling, set callerid to extension */
536                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID)) {
537                                 char cidname[AST_MAX_EXTENSION] = "";
538                                 ast_set_callerid(c, S_OR(in->macroexten, in->exten), get_cid_name(cidname, sizeof(cidname), in), NULL);
539                         }
540                         /* Hangup the original channel now, in case we needed it */
541                         ast_hangup(original);
542                 }
543         }
544 }
545
546 /* argument used for some functions. */
547 struct privacy_args {
548         int sentringing;
549         int privdb_val;
550         char privcid[256];
551         char privintro[1024];
552         char status[256];
553 };
554
555 static struct ast_channel *wait_for_answer(struct ast_channel *in,
556         struct chanlist *outgoing, int *to, struct ast_flags *peerflags,
557         struct privacy_args *pa,
558         const struct cause_args *num_in, int *result)
559 {
560         struct cause_args num = *num_in;
561         int prestart = num.busy + num.congestion + num.nochan;
562         int orig = *to;
563         struct ast_channel *peer = NULL;
564         /* single is set if only one destination is enabled */
565         int single = outgoing && !outgoing->next && !ast_test_flag(outgoing, OPT_MUSICBACK | OPT_RINGBACK);
566         
567         if (single) {
568                 /* Turn off hold music, etc */
569                 ast_deactivate_generator(in);
570                 /* If we are calling a single channel, make them compatible for in-band tone purpose */
571                 ast_channel_make_compatible(outgoing->chan, in);
572         }
573         
574         
575         while (*to && !peer) {
576                 struct chanlist *o;
577                 int pos = 0;    /* how many channels do we handle */
578                 int numlines = prestart;
579                 struct ast_channel *winner;
580                 struct ast_channel *watchers[AST_MAX_WATCHERS];
581
582                 watchers[pos++] = in;
583                 for (o = outgoing; o; o = o->next) {
584                         /* Keep track of important channels */
585                         if (ast_test_flag(o, DIAL_STILLGOING) && o->chan)
586                                 watchers[pos++] = o->chan;
587                         numlines++;
588                 }
589                 if (pos == 1) { /* only the input channel is available */
590                         if (numlines == (num.busy + num.congestion + num.nochan)) {
591                                 if (option_verbose > 2)
592                                         ast_verbose( VERBOSE_PREFIX_2 "Everyone is busy/congested at this time (%d:%d/%d/%d)\n", numlines, num.busy, num.congestion, num.nochan);
593                                 if (num.busy)
594                                         strcpy(pa->status, "BUSY");     
595                                 else if (num.congestion)
596                                         strcpy(pa->status, "CONGESTION");
597                                 else if (num.nochan)
598                                         strcpy(pa->status, "CHANUNAVAIL");
599                         } else {
600                                 if (option_verbose > 2)
601                                         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);
602                         }
603                         *to = 0;
604                         return NULL;
605                 }
606                 winner = ast_waitfor_n(watchers, pos, to);
607                 for (o = outgoing; o; o = o->next) {
608                         struct ast_frame *f;
609                         struct ast_channel *c = o->chan;
610
611                         if (c == NULL)
612                                 continue;
613                         if (ast_test_flag(o, DIAL_STILLGOING) && c->_state == AST_STATE_UP) {
614                                 if (!peer) {
615                                         if (option_verbose > 2)
616                                                 ast_verbose(VERBOSE_PREFIX_3 "%s answered %s\n", c->name, in->name);
617                                         peer = c;
618                                         ast_copy_flags(peerflags, o,
619                                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
620                                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
621                                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
622                                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
623                                                        DIAL_NOFORWARDHTML);
624                                         ast_copy_string(c->dialcontext, "", sizeof(c->dialcontext));
625                                         ast_copy_string(c->exten, "", sizeof(c->exten));
626                                 }
627                                 continue;
628                         }
629                         if (c != winner)
630                                 continue;
631                         /* here, o->chan == c == winner */
632                         if (!ast_strlen_zero(c->call_forward)) {
633                                 do_forward(o, &num, peerflags, single);
634                                 continue;
635                         }
636                         f = ast_read(winner);
637                         if (!f) {
638                                 in->hangupcause = c->hangupcause;
639                                 ast_hangup(c);
640                                 c = o->chan = NULL;
641                                 ast_clear_flag(o, DIAL_STILLGOING);
642                                 handle_cause(in->hangupcause, &num);
643                                 continue;
644                         }
645                         if (f->frametype == AST_FRAME_CONTROL) {
646                                 switch(f->subclass) {
647                                 case AST_CONTROL_ANSWER:
648                                         /* This is our guy if someone answered. */
649                                         if (!peer) {
650                                                 if (option_verbose > 2)
651                                                         ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", c->name, in->name);
652                                                 peer = c;
653                                                 ast_copy_flags(peerflags, o,
654                                                                OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
655                                                                OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
656                                                                OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
657                                                                OPT_CALLEE_PARK | OPT_CALLER_PARK |
658                                                                DIAL_NOFORWARDHTML);
659                                                 ast_copy_string(c->dialcontext, "", sizeof(c->dialcontext));
660                                                 ast_copy_string(c->exten, "", sizeof(c->exten));
661                                                 /* Setup early bridge if appropriate */
662                                                 ast_channel_early_bridge(in, peer);
663                                         }
664                                         /* If call has been answered, then the eventual hangup is likely to be normal hangup */
665                                         in->hangupcause = AST_CAUSE_NORMAL_CLEARING;
666                                         c->hangupcause = AST_CAUSE_NORMAL_CLEARING;
667                                         break;
668                                 case AST_CONTROL_BUSY:
669                                         if (option_verbose > 2)
670                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is busy\n", c->name);
671                                         in->hangupcause = c->hangupcause;
672                                         ast_hangup(c);
673                                         c = o->chan = NULL;
674                                         ast_clear_flag(o, DIAL_STILLGOING);     
675                                         handle_cause(AST_CAUSE_BUSY, &num);
676                                         break;
677                                 case AST_CONTROL_CONGESTION:
678                                         if (option_verbose > 2)
679                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is circuit-busy\n", c->name);
680                                         in->hangupcause = c->hangupcause;
681                                         ast_hangup(c);
682                                         c = o->chan = NULL;
683                                         ast_clear_flag(o, DIAL_STILLGOING);
684                                         handle_cause(AST_CAUSE_CONGESTION, &num);
685                                         break;
686                                 case AST_CONTROL_RINGING:
687                                         if (option_verbose > 2)
688                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is ringing\n", c->name);
689                                         /* Setup early media if appropriate */
690                                         if (single)
691                                                 ast_channel_early_bridge(in, c);
692                                         if (!(pa->sentringing) && !ast_test_flag(outgoing, OPT_MUSICBACK)) {
693                                                 ast_indicate(in, AST_CONTROL_RINGING);
694                                                 pa->sentringing++;
695                                         }
696                                         break;
697                                 case AST_CONTROL_PROGRESS:
698                                         if (option_verbose > 2)
699                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is making progress passing it to %s\n", c->name, in->name);
700                                         /* Setup early media if appropriate */
701                                         if (single)
702                                                 ast_channel_early_bridge(in, c);
703                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
704                                                 ast_indicate(in, AST_CONTROL_PROGRESS);
705                                         break;
706                                 case AST_CONTROL_VIDUPDATE:
707                                         if (option_verbose > 2)
708                                                 ast_verbose (VERBOSE_PREFIX_3 "%s requested a video update, passing it to %s\n", c->name, in->name);
709                                         ast_indicate(in, AST_CONTROL_VIDUPDATE);
710                                         break;
711                                 case AST_CONTROL_PROCEEDING:
712                                         if (option_verbose > 2)
713                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is proceeding passing it to %s\n", c->name, in->name);
714                                         if (single)
715                                                 ast_channel_early_bridge(in, c);
716                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
717                                                 ast_indicate(in, AST_CONTROL_PROCEEDING);
718                                         break;
719                                 case AST_CONTROL_HOLD:
720                                         if (option_verbose > 2)
721                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s placed on hold\n", c->name);
722                                         ast_indicate(in, AST_CONTROL_HOLD);
723                                         break;
724                                 case AST_CONTROL_UNHOLD:
725                                         if (option_verbose > 2)
726                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s left from hold\n", c->name);
727                                         ast_indicate(in, AST_CONTROL_UNHOLD);
728                                         break;
729                                 case AST_CONTROL_OFFHOOK:
730                                 case AST_CONTROL_FLASH:
731                                         /* Ignore going off hook and flash */
732                                         break;
733                                 case -1:
734                                         if (!ast_test_flag(outgoing, OPT_RINGBACK | OPT_MUSICBACK)) {
735                                                 if (option_verbose > 2)
736                                                         ast_verbose(VERBOSE_PREFIX_3 "%s stopped sounds\n", c->name);
737                                                 ast_indicate(in, -1);
738                                                 pa->sentringing = 0;
739                                         }
740                                         break;
741                                 default:
742                                         ast_debug(1, "Dunno what to do with control type %d\n", f->subclass);
743                                 }
744                         } else if (single) {
745                                 /* XXX are we sure the logic is correct ? or we should just switch on f->frametype ? */
746                                 if (f->frametype == AST_FRAME_VOICE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
747                                         if (ast_write(in, f)) 
748                                                 ast_log(LOG_WARNING, "Unable to forward voice frame\n");
749                                 } else if (f->frametype == AST_FRAME_IMAGE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
750                                         if (ast_write(in, f))
751                                                 ast_log(LOG_WARNING, "Unable to forward image\n");
752                                 } else if (f->frametype == AST_FRAME_TEXT && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
753                                         if (ast_write(in, f))
754                                                 ast_log(LOG_WARNING, "Unable to send text\n");
755                                 } else if (f->frametype == AST_FRAME_HTML && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML)) {
756                                         if (ast_channel_sendhtml(in, f->subclass, f->data, f->datalen) == -1)
757                                                 ast_log(LOG_WARNING, "Unable to send URL\n");
758                                 }
759                         }
760                         ast_frfree(f);
761                 } /* end for */
762                 if (winner == in) {
763                         struct ast_frame *f = ast_read(in);
764 #if 0
765                         if (f && (f->frametype != AST_FRAME_VOICE))
766                                 printf("Frame type: %d, %d\n", f->frametype, f->subclass);
767                         else if (!f || (f->frametype != AST_FRAME_VOICE))
768                                 printf("Hangup received on %s\n", in->name);
769 #endif
770                         if (!f || ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP))) {
771                                 /* Got hung up */
772                                 *to = -1;
773                                 strcpy(pa->status, "CANCEL");
774                                 ast_cdr_noanswer(in->cdr);
775                                 if (f)
776                                         ast_frfree(f);
777                                 return NULL;
778                         }
779
780                         /* now f is guaranteed non-NULL */
781                         if (f->frametype == AST_FRAME_DTMF) {
782                                 if (ast_test_flag(peerflags, OPT_DTMF_EXIT)) {
783                                         const char *context = pbx_builtin_getvar_helper(in, "EXITCONTEXT");
784                                         if (onedigit_goto(in, context, (char) f->subclass, 1)) {
785                                                 if (option_verbose > 2)
786                                                         ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
787                                                 *to=0;
788                                                 ast_cdr_noanswer(in->cdr);
789                                                 *result = f->subclass;
790                                                 strcpy(pa->status, "CANCEL");
791                                                 ast_frfree(f);
792                                                 return NULL;
793                                         }
794                                 }
795
796                                 if (ast_test_flag(peerflags, OPT_CALLER_HANGUP) && 
797                                                   (f->subclass == '*')) { /* hmm it it not guaranteed to be '*' anymore. */
798                                         if (option_verbose > 2)
799                                                 ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
800                                         *to=0;
801                                         strcpy(pa->status, "CANCEL");
802                                         ast_cdr_noanswer(in->cdr);
803                                         ast_frfree(f);
804                                         return NULL;
805                                 }
806                         }
807
808                         /* Forward HTML stuff */
809                         if (single && (f->frametype == AST_FRAME_HTML) && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML)) 
810                                 if(ast_channel_sendhtml(outgoing->chan, f->subclass, f->data, f->datalen) == -1)
811                                         ast_log(LOG_WARNING, "Unable to send URL\n");
812                         
813
814                         if (single && ((f->frametype == AST_FRAME_VOICE) || (f->frametype == AST_FRAME_DTMF_BEGIN) || (f->frametype == AST_FRAME_DTMF_END)))  {
815                                 if (ast_write(outgoing->chan, f))
816                                         ast_log(LOG_WARNING, "Unable to forward voice or dtmf\n");
817                         }
818                         if (single && (f->frametype == AST_FRAME_CONTROL) && 
819                                 ((f->subclass == AST_CONTROL_HOLD) || 
820                                  (f->subclass == AST_CONTROL_UNHOLD) || 
821                                  (f->subclass == AST_CONTROL_VIDUPDATE))) {
822                                 if (option_verbose > 2)
823                                         ast_verbose(VERBOSE_PREFIX_3 "%s requested special control %d, passing it to %s\n", in->name, f->subclass, outgoing->chan->name);
824                                 ast_indicate_data(outgoing->chan, f->subclass, f->data, f->datalen);
825                         }
826                         ast_frfree(f);
827                 }
828                 if (!*to && (option_verbose > 2))
829                         ast_verbose(VERBOSE_PREFIX_3 "Nobody picked up in %d ms\n", orig);
830                 if (!*to || ast_check_hangup(in)) {
831                         ast_cdr_noanswer(in->cdr);
832                 }
833                 
834         }
835
836         return peer;
837 }
838
839 static void replace_macro_delimiter(char *s)
840 {
841         for (; *s; s++)
842                 if (*s == '^')
843                         *s = '|';
844 }
845
846
847 /* returns true if there is a valid privacy reply */
848 static int valid_priv_reply(struct ast_flags *opts, int res)
849 {
850         if (res < '1')
851                 return 0;
852         if (ast_test_flag(opts, OPT_PRIVACY) && res <= '5')
853                 return 1;
854         if (ast_test_flag(opts, OPT_SCREENING) && res <= '4')
855                 return 1;
856         return 0;
857 }
858
859 static int do_timelimit(struct ast_channel *chan, struct ast_bridge_config *config,
860         char *parse, unsigned int *calldurationlimit)
861 {
862         char *stringp = ast_strdupa(parse);
863         char *limit_str, *warning_str, *warnfreq_str;
864         const char *var;
865         int play_to_caller=0,play_to_callee=0;
866         int delta;
867
868         limit_str = strsep(&stringp, ":");
869         warning_str = strsep(&stringp, ":");
870         warnfreq_str = strsep(&stringp, ":");
871
872         config->timelimit = atol(limit_str);
873         if (warning_str)
874                 config->play_warning = atol(warning_str);
875         if (warnfreq_str)
876                 config->warning_freq = atol(warnfreq_str);
877
878         if (!config->timelimit) {
879                 ast_log(LOG_WARNING, "Dial does not accept L(%s), hanging up.\n", limit_str);
880                 config->timelimit = config->play_warning = config->warning_freq = 0;
881                 config->warning_sound = NULL;
882                 return -1;      /* error */
883         } else if ( (delta = config->play_warning - config->timelimit) > 0) {
884                 int w = config->warning_freq;
885
886                 /* If the first warning is requested _after_ the entire call would end,
887                    and no warning frequency is requested, then turn off the warning. If
888                    a warning frequency is requested, reduce the 'first warning' time by
889                    that frequency until it falls within the call's total time limit.
890                    Graphically:
891                                   timelim->|    delta        |<-playwarning
892                         0__________________|_________________|
893                                          | w  |    |    |    |
894
895                    so the number of intervals to cut is 1+(delta-1)/w
896                 */
897
898                 if (w == 0) {
899                         config->play_warning = 0;
900                 } else {
901                         config->play_warning -= w * ( 1 + (delta-1)/w );
902                         if (config->play_warning < 1)
903                                 config->play_warning = config->warning_freq = 0;
904                 }
905         }
906
907         var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLER");
908         play_to_caller = var ? ast_true(var) : 1;
909         
910         var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLEE");
911         play_to_callee = var ? ast_true(var) : 0;
912         
913         if (!play_to_caller && !play_to_callee)
914                 play_to_caller = 1;
915         
916         var = pbx_builtin_getvar_helper(chan,"LIMIT_WARNING_FILE");
917         config->warning_sound = S_OR(var, "timeleft");
918
919         /* The code looking at config wants a NULL, not just "", to decide
920          * that the message should not be played, so we replace "" with NULL.
921          * Note, pbx_builtin_getvar_helper _can_ return NULL if the variable is
922          * not found.
923          */
924         var = pbx_builtin_getvar_helper(chan,"LIMIT_TIMEOUT_FILE");
925         config->end_sound = S_OR(var, NULL);
926         var = pbx_builtin_getvar_helper(chan,"LIMIT_CONNECT_FILE");
927         config->start_sound = S_OR(var, NULL);
928
929         /* undo effect of S(x) in case they are both used */
930         *calldurationlimit = 0;
931         /* more efficient to do it like S(x) does since no advanced opts */
932         if (!config->play_warning && !config->start_sound && !config->end_sound && config->timelimit) {
933                 *calldurationlimit = config->timelimit / 1000;
934                 if (option_verbose > 2)
935                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n",
936                                 *calldurationlimit);
937                 config->timelimit = play_to_caller = play_to_callee =
938                 config->play_warning = config->warning_freq = 0;
939         } else if (option_verbose > 2) {
940                 ast_verbose(VERBOSE_PREFIX_3 "Limit Data for this call:\n");
941                 ast_verbose(VERBOSE_PREFIX_4 "timelimit      = %ld\n", config->timelimit);
942                 ast_verbose(VERBOSE_PREFIX_4 "play_warning   = %ld\n", config->play_warning);
943                 ast_verbose(VERBOSE_PREFIX_4 "play_to_caller = %s\n", play_to_caller ? "yes" : "no");
944                 ast_verbose(VERBOSE_PREFIX_4 "play_to_callee = %s\n", play_to_callee ? "yes" : "no");
945                 ast_verbose(VERBOSE_PREFIX_4 "warning_freq   = %ld\n", config->warning_freq);
946                 ast_verbose(VERBOSE_PREFIX_4 "start_sound    = %s\n", S_OR(config->start_sound, ""));
947                 ast_verbose(VERBOSE_PREFIX_4 "warning_sound  = %s\n", config->warning_sound);
948                 ast_verbose(VERBOSE_PREFIX_4 "end_sound      = %s\n", S_OR(config->end_sound, ""));
949         }
950         if (play_to_caller)
951                 ast_set_flag(&(config->features_caller), AST_FEATURE_PLAY_WARNING);
952         if (play_to_callee)
953                 ast_set_flag(&(config->features_callee), AST_FEATURE_PLAY_WARNING);
954         return 0;
955 }
956
957 static int do_privacy(struct ast_channel *chan, struct ast_channel *peer,
958     struct ast_flags *opts, char **opt_args, struct privacy_args *pa)
959 {
960
961         int res2;
962         int loopcount = 0;
963
964         /* Get the user's intro, store it in priv-callerintros/$CID, 
965            unless it is already there-- this should be done before the 
966            call is actually dialed  */
967
968         /* all ring indications and moh for the caller has been halted as soon as the 
969            target extension was picked up. We are going to have to kill some
970            time and make the caller believe the peer hasn't picked up yet */
971
972         if (ast_test_flag(opts, OPT_MUSICBACK) && !ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
973                 char *original_moh = ast_strdupa(chan->musicclass);
974                 ast_indicate(chan, -1);
975                 ast_string_field_set(chan, musicclass, opt_args[OPT_ARG_MUSICBACK]);
976                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
977                 ast_string_field_set(chan, musicclass, original_moh);
978         } else if (ast_test_flag(opts, OPT_RINGBACK)) {
979                 ast_indicate(chan, AST_CONTROL_RINGING);
980                 pa->sentringing++;
981         }
982
983         /* Start autoservice on the other chan ?? */
984         res2 = ast_autoservice_start(chan);
985         /* Now Stream the File */
986         for (loopcount = 0; loopcount < 3; loopcount++) {
987                 if (res2 && loopcount == 0)     /* error in ast_autoservice_start() */
988                         break;
989                 if (!res2)      /* on timeout, play the message again */
990                         res2 = ast_play_and_wait(peer,"priv-callpending");
991                 if (!valid_priv_reply(opts, res2))
992                         res2 = 0;
993                 /* priv-callpending script: 
994                    "I have a caller waiting, who introduces themselves as:"
995                 */
996                 if (!res2)
997                         res2 = ast_play_and_wait(peer, pa->privintro);
998                 if (!valid_priv_reply(opts, res2))
999                         res2 = 0;
1000                 /* now get input from the called party, as to their choice */
1001                 if( !res2 ) {
1002                         /* XXX can we have both, or they are mutually exclusive ? */
1003                         if( ast_test_flag(opts, OPT_PRIVACY) )
1004                                 res2 = ast_play_and_wait(peer,"priv-callee-options");
1005                         if( ast_test_flag(opts, OPT_SCREENING) )
1006                                 res2 = ast_play_and_wait(peer,"screen-callee-options");
1007                 }
1008                 /*! \page DialPrivacy Dial Privacy scripts
1009                 \par priv-callee-options script:
1010                         "Dial 1 if you wish this caller to reach you directly in the future,
1011                                 and immediately connect to their incoming call
1012                          Dial 2 if you wish to send this caller to voicemail now and 
1013                                 forevermore.
1014                          Dial 3 to send this caller to the torture menus, now and forevermore.
1015                          Dial 4 to send this caller to a simple "go away" menu, now and forevermore.
1016                          Dial 5 to allow this caller to come straight thru to you in the future,
1017                                 but right now, just this once, send them to voicemail."
1018                 \par screen-callee-options script:
1019                         "Dial 1 if you wish to immediately connect to the incoming call
1020                          Dial 2 if you wish to send this caller to voicemail.
1021                          Dial 3 to send this caller to the torture menus.
1022                          Dial 4 to send this caller to a simple "go away" menu.
1023                 */
1024                 if (valid_priv_reply(opts, res2))
1025                         break;
1026                 /* invalid option */
1027                 res2 = ast_play_and_wait(peer, "vm-sorry");
1028         }
1029
1030         if (ast_test_flag(opts, OPT_MUSICBACK)) {
1031                 ast_moh_stop(chan);
1032         } else if (ast_test_flag(opts, OPT_RINGBACK)) {
1033                 ast_indicate(chan, -1);
1034                 pa->sentringing=0;
1035         }
1036         ast_autoservice_stop(chan);
1037         if(ast_test_flag(opts, OPT_PRIVACY) && (res2 >= '1' && res2 <= '5')) {
1038                 /* map keypresses to various things, the index is res2 - '1' */
1039                 static const char *_val[] = { "ALLOW", "DENY", "TORTURE", "KILL", "ALLOW" };
1040                 static const int _flag[] = { AST_PRIVACY_ALLOW, AST_PRIVACY_DENY, AST_PRIVACY_TORTURE, AST_PRIVACY_KILL, AST_PRIVACY_ALLOW};
1041                 int i = res2 - '1';
1042                 if (option_verbose > 2)
1043                         ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to %s\n",
1044                                              opt_args[OPT_ARG_PRIVACY], pa->privcid, _val[i]);
1045                 ast_privacy_set(opt_args[OPT_ARG_PRIVACY], pa->privcid, _flag[i]);
1046         }
1047         switch (res2) {
1048         case '1':
1049                 break;
1050         case '2':
1051                 ast_copy_string(pa->status, "NOANSWER", sizeof(pa->status));
1052                 break;
1053         case '3':
1054                 ast_copy_string(pa->status, "TORTURE", sizeof(pa->status));
1055                 break;
1056         case '4':
1057                 ast_copy_string(pa->status, "DONTCALL", sizeof(pa->status));
1058                 break;
1059         case '5':
1060                 /* XXX should we set status to DENY ? */
1061                 if( ast_test_flag(opts, OPT_PRIVACY) )
1062                         break;
1063                 /* if not privacy, then 5 is the same as "default" case */
1064         default:        /* bad input or -1 if failure to start autoservice */
1065                 /* well, if the user messes up, ... he had his chance... What Is The Best Thing To Do?  */
1066                 /* well, there seems basically two choices. Just patch the caller thru immediately,
1067                           or,... put 'em thru to voicemail. */
1068                 /* since the callee may have hung up, let's do the voicemail thing, no database decision */
1069                 ast_log(LOG_NOTICE, "privacy: no valid response from the callee. Sending the caller to voicemail, the callee isn't responding\n");
1070                 /* XXX should we set status to DENY ? */
1071                 /* XXX what about the privacy flags ? */
1072                 break;
1073         }
1074
1075         if (res2 == '1') {      /* the only case where we actually connect */
1076                 /* if the intro is NOCALLERID, then there's no reason to leave it on disk, it'll 
1077                    just clog things up, and it's not useful information, not being tied to a CID */
1078                 if( strncmp(pa->privcid,"NOCALLERID",10) == 0 || ast_test_flag(opts, OPT_SCREEN_NOINTRO) ) {
1079                         ast_filedelete(pa->privintro, NULL);
1080                         if( ast_fileexists(pa->privintro, NULL, NULL ) > 0 )
1081                                 ast_log(LOG_NOTICE, "privacy: ast_filedelete didn't do its job on %s\n", pa->privintro);
1082                         else if (option_verbose > 2)
1083                                 ast_verbose(VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", pa->privintro);
1084                 }
1085                 return 0;       /* the good exit path */
1086         } else {
1087                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1088                 return -1;
1089         }
1090 }
1091
1092 /*! \brief returns 1 if successful, 0 or <0 if the caller should 'goto out' */
1093 static int setup_privacy_args(struct privacy_args *pa,
1094         struct ast_flags *opts, char *opt_args[], struct ast_channel *chan)
1095 {
1096         char callerid[60];
1097         int res;
1098         char *l;
1099
1100         if (!ast_strlen_zero(chan->cid.cid_num)) {
1101                 l = ast_strdupa(chan->cid.cid_num);
1102                 ast_shrink_phone_number(l);
1103                 if (ast_test_flag(opts, OPT_PRIVACY) ) {
1104                         if (option_verbose > 2)
1105                                 ast_verbose(VERBOSE_PREFIX_3  "Privacy DB is '%s', clid is '%s'\n",
1106                                              opt_args[OPT_ARG_PRIVACY], l);
1107                         pa->privdb_val = ast_privacy_check(opt_args[OPT_ARG_PRIVACY], l);
1108                 } else {
1109                         if (option_verbose > 2)
1110                                 ast_verbose(VERBOSE_PREFIX_3  "Privacy Screening, clid is '%s'\n", l);
1111                         pa->privdb_val = AST_PRIVACY_UNKNOWN;
1112                 }
1113         } else {
1114                 char *tnam, *tn2;
1115
1116                 tnam = ast_strdupa(chan->name);
1117                 /* clean the channel name so slashes don't try to end up in disk file name */
1118                 for (tn2 = tnam; *tn2; tn2++) {
1119                         if (*tn2=='/')  /* any other chars to be afraid of? */
1120                                 *tn2 = '=';
1121                 }
1122                 if (option_verbose > 2)
1123                         ast_verbose(VERBOSE_PREFIX_3  "Privacy-- callerid is empty\n");
1124
1125                 snprintf(callerid, sizeof(callerid), "NOCALLERID_%s%s", chan->exten, tnam);
1126                 l = callerid;
1127                 pa->privdb_val = AST_PRIVACY_UNKNOWN;
1128         }
1129         
1130         ast_copy_string(pa->privcid,l,sizeof(pa->privcid));
1131
1132         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 */  
1133                 if (option_verbose > 2)
1134                         ast_verbose( VERBOSE_PREFIX_3  "CallerID set (%s); N option set; Screening should be off\n", pa->privcid);
1135                 pa->privdb_val = AST_PRIVACY_ALLOW;
1136         } else if (ast_test_flag(opts, OPT_SCREEN_NOCLID) && strncmp(pa->privcid,"NOCALLERID",10) == 0 ) {
1137                 if (option_verbose > 2)
1138                         ast_verbose( VERBOSE_PREFIX_3  "CallerID blank; N option set; Screening should happen; dbval is %d\n", pa->privdb_val);
1139         }
1140         
1141         if (pa->privdb_val == AST_PRIVACY_DENY ) {
1142                 ast_copy_string(pa->status, "NOANSWER", sizeof(pa->status));
1143                 if (option_verbose > 2)
1144                         ast_verbose( VERBOSE_PREFIX_3  "Privacy DB reports PRIVACY_DENY for this callerid. Dial reports unavailable\n");
1145                 return 0;
1146         } else if (pa->privdb_val == AST_PRIVACY_KILL ) {
1147                 ast_copy_string(pa->status, "DONTCALL", sizeof(pa->status));
1148                 return 0; /* Is this right? */
1149         } else if (pa->privdb_val == AST_PRIVACY_TORTURE ) {
1150                 ast_copy_string(pa->status, "TORTURE", sizeof(pa->status));
1151                 return 0; /* is this right??? */
1152         } else if (pa->privdb_val == AST_PRIVACY_UNKNOWN ) {
1153                 /* Get the user's intro, store it in priv-callerintros/$CID, 
1154                    unless it is already there-- this should be done before the 
1155                    call is actually dialed  */
1156
1157                 /* make sure the priv-callerintros dir actually exists */
1158                 snprintf(pa->privintro, sizeof(pa->privintro), "%s/sounds/priv-callerintros", ast_config_AST_DATA_DIR);
1159                 if ((res = ast_mkdir(pa->privintro, 0755))) {
1160                         ast_log(LOG_WARNING, "privacy: can't create directory priv-callerintros: %s\n", strerror(res));
1161                         return -1;
1162                 }
1163
1164                 snprintf(pa->privintro, sizeof(pa->privintro), "priv-callerintros/%s", pa->privcid);
1165                 if (ast_fileexists(pa->privintro, NULL, NULL ) > 0 && strncmp(pa->privcid, "NOCALLERID", 10) != 0) {
1166                         /* the DELUX version of this code would allow this caller the
1167                            option to hear and retape their previously recorded intro.
1168                         */
1169                 } else {
1170                         int duration; /* for feedback from play_and_wait */
1171                         /* the file doesn't exist yet. Let the caller submit his
1172                            vocal intro for posterity */
1173                         /* priv-recordintro script:
1174
1175                            "At the tone, please say your name:"
1176
1177                         */
1178                         ast_answer(chan);
1179                         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 */
1180                                                                         /* don't think we'll need a lock removed, we took care of
1181                                                                            conflicts by naming the pa.privintro file */
1182                         if (res == -1) {
1183                                 /* Delete the file regardless since they hung up during recording */
1184                                 ast_filedelete(pa->privintro, NULL);
1185                                 if (ast_fileexists(pa->privintro,NULL,NULL ) > 0 )
1186                                         ast_log(LOG_NOTICE,"privacy: ast_filedelete didn't do its job on %s\n", pa->privintro);
1187                                 else if (option_verbose > 2)
1188                                         ast_verbose( VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", pa->privintro);
1189                                 return -1;
1190                         }
1191                         if (!ast_streamfile(chan, "vm-dialout", chan->language) )
1192                                 ast_waitstream(chan, "");
1193                 }
1194         }
1195         return 1;       /* success */
1196 }
1197
1198 static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags *peerflags, int *continue_exec)
1199 {
1200         int res = -1;   /* default: error */
1201         char *rest, *cur;       /* scan the list of destinations */
1202         struct chanlist *outgoing = NULL;       /* list of destinations */
1203         struct ast_channel *peer;
1204         int to; /* timeout */
1205         struct cause_args num = { chan, 0, 0, 0 };
1206         int cause;
1207         char numsubst[256];
1208         char cidname[AST_MAX_EXTENSION] = "";
1209
1210         struct ast_bridge_config config;
1211         unsigned int calldurationlimit = 0;
1212         char *dtmfcalled = NULL, *dtmfcalling = NULL;
1213         struct privacy_args pa = {
1214                 .sentringing = 0,
1215                 .privdb_val = 0,
1216                 .status = "INVALIDARGS",
1217         };
1218         int sentringing = 0, moh = 0;
1219         const char *outbound_group = NULL;
1220         int result = 0;
1221         time_t start_time;
1222         char *parse;
1223         int opermode = 0;
1224         AST_DECLARE_APP_ARGS(args,
1225                              AST_APP_ARG(peers);
1226                              AST_APP_ARG(timeout);
1227                              AST_APP_ARG(options);
1228                              AST_APP_ARG(url);
1229         );
1230         struct ast_flags opts = { 0, };
1231         char *opt_args[OPT_ARG_ARRAY_SIZE];
1232
1233         if (ast_strlen_zero(data)) {
1234                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
1235                 pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1236                 return -1;
1237         }
1238
1239         parse = ast_strdupa(data);
1240         
1241         AST_STANDARD_APP_ARGS(args, parse);
1242
1243         memset(&config,0,sizeof(struct ast_bridge_config));
1244
1245         if (!ast_strlen_zero(args.options) &&
1246                         ast_app_parse_options(dial_exec_options, &opts, opt_args, args.options)) {
1247                 pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1248                 goto done;
1249         }
1250
1251         if (ast_strlen_zero(args.peers)) {
1252                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
1253                 pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1254                 goto done;
1255         }
1256
1257         if (ast_test_flag(&opts, OPT_OPERMODE)) {
1258                 opermode = ast_strlen_zero(opt_args[OPT_ARG_OPERMODE]) ? 1 : atoi(opt_args[OPT_ARG_OPERMODE]);
1259                 if (option_verbose > 2)
1260                         ast_verbose(VERBOSE_PREFIX_3 "Setting operator services mode to %d.\n", opermode);
1261         }
1262         
1263         if (ast_test_flag(&opts, OPT_DURATION_STOP) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_STOP])) {
1264                 calldurationlimit = atoi(opt_args[OPT_ARG_DURATION_STOP]);
1265                 if (!calldurationlimit) {
1266                         ast_log(LOG_WARNING, "Dial does not accept S(%s), hanging up.\n", opt_args[OPT_ARG_DURATION_STOP]);
1267                         pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1268                         goto done;
1269                 }
1270                 if (option_verbose > 2)
1271                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n", calldurationlimit);
1272         }
1273
1274         if (ast_test_flag(&opts, OPT_SENDDTMF) && !ast_strlen_zero(opt_args[OPT_ARG_SENDDTMF])) {
1275                 dtmfcalling = opt_args[OPT_ARG_SENDDTMF];
1276                 dtmfcalled = strsep(&dtmfcalling, ":");
1277         }
1278
1279         if (ast_test_flag(&opts, OPT_DURATION_LIMIT) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_LIMIT])) {
1280                 if (do_timelimit(chan, &config, opt_args[OPT_ARG_DURATION_LIMIT], &calldurationlimit))
1281                         goto done;
1282         }
1283
1284         if (ast_test_flag(&opts, OPT_RESETCDR) && chan->cdr)
1285                 ast_cdr_reset(chan->cdr, NULL);
1286         if (ast_test_flag(&opts, OPT_PRIVACY) && ast_strlen_zero(opt_args[OPT_ARG_PRIVACY]))
1287                 opt_args[OPT_ARG_PRIVACY] = ast_strdupa(chan->exten);
1288
1289         if (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) {
1290                 res = setup_privacy_args(&pa, &opts, opt_args, chan);
1291                 if (res <= 0)
1292                         goto out;
1293                 res = -1;       /* reset default */
1294         }
1295
1296         if (continue_exec)
1297                 *continue_exec = 0;
1298         
1299         /* If a channel group has been specified, get it for use when we create peer channels */
1300         if ((outbound_group = pbx_builtin_getvar_helper(chan, "OUTBOUND_GROUP_ONCE"))) {
1301                 outbound_group = ast_strdupa(outbound_group);
1302                 pbx_builtin_setvar_helper(chan, "OUTBOUND_GROUP_ONCE", NULL);
1303         } else {
1304                 outbound_group = pbx_builtin_getvar_helper(chan, "OUTBOUND_GROUP");
1305         }
1306             
1307         ast_copy_flags(peerflags, &opts, OPT_DTMF_EXIT | OPT_GO_ON | OPT_ORIGINAL_CLID | OPT_CALLER_HANGUP | OPT_IGNORE_FORWARDING);
1308         /* loop through the list of dial destinations */
1309         rest = args.peers;
1310         while ((cur = strsep(&rest, "&")) ) {
1311                 struct chanlist *tmp;
1312                 struct ast_channel *tc; /* channel for this destination */
1313                 /* Get a technology/[device:]number pair */
1314                 char *number = cur;
1315                 char *tech = strsep(&number, "/");
1316                 if (!number) {
1317                         ast_log(LOG_WARNING, "Dial argument takes format (technology/[device:]number1)\n");
1318                         goto out;
1319                 }
1320                 if (!(tmp = ast_calloc(1, sizeof(*tmp))))
1321                         goto out;
1322                 if (opts.flags) {
1323                         ast_copy_flags(tmp, &opts,
1324                                        OPT_CANCEL_ELSEWHERE |
1325                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
1326                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
1327                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
1328                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
1329                                        OPT_RINGBACK | OPT_MUSICBACK | OPT_FORCECLID);
1330                         ast_set2_flag(tmp, args.url, DIAL_NOFORWARDHTML);       
1331                 }
1332                 ast_copy_string(numsubst, number, sizeof(numsubst));
1333                 /* Request the peer */
1334                 tc = ast_request(tech, chan->nativeformats, numsubst, &cause);
1335                 if (!tc) {
1336                         /* If we can't, just go on to the next call */
1337                         ast_log(LOG_WARNING, "Unable to create channel of type '%s' (cause %d - %s)\n",
1338                                     tech, cause, ast_cause2str(cause));
1339                         handle_cause(cause, &num);
1340                         if (!rest)      /* we are on the last destination */
1341                                 chan->hangupcause = cause;
1342                         ast_free(tmp);
1343                         continue;
1344                 }
1345                 pbx_builtin_setvar_helper(tc, "DIALEDPEERNUMBER", numsubst);
1346                 if (!ast_strlen_zero(tc->call_forward)) {
1347                         char tmpchan[256];
1348                         char *stuff;
1349                         char *tech;
1350                         ast_copy_string(tmpchan, tc->call_forward, sizeof(tmpchan));
1351                         if ((stuff = strchr(tmpchan, '/'))) {
1352                                 *stuff++ = '\0';
1353                                 tech = tmpchan;
1354                         } else {
1355                                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", tc->call_forward, tc->context);
1356                                 stuff = tmpchan;
1357                                 tech = "Local";
1358                         }
1359                         tmp->forwards++;
1360                         if (tmp->forwards < AST_MAX_FORWARDS) {
1361                                 if (option_verbose > 2)
1362                                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n",
1363                                         chan->name, tech, stuff, tc->name);
1364                                 ast_hangup(tc);
1365                                 /* If we have been told to ignore forwards, just set this channel to null
1366                                  * and continue processing extensions normally */
1367                                 if (ast_test_flag(&opts, OPT_IGNORE_FORWARDING)) {
1368                                         tc = NULL;
1369                                         cause = AST_CAUSE_BUSY;
1370                                         if (option_verbose > 2)
1371                                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n",
1372                                                         chan->name, tech, stuff);
1373                                 } else {
1374                                         tc = ast_request(tech, chan->nativeformats, stuff, &cause);
1375                                 }
1376                                 if (!tc)
1377                                         ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
1378                                 else
1379                                         ast_channel_inherit_variables(chan, tc);
1380                         } else {
1381                                 if (option_verbose > 2)
1382                                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", tc->name);
1383                                 ast_hangup(tc);
1384                                 tc = NULL;
1385                                 cause = AST_CAUSE_CONGESTION;
1386                         }
1387                         if (!tc) {
1388                                 handle_cause(cause, &num);
1389                                 ast_free(tmp);
1390                                 continue;
1391                         }
1392                 }
1393
1394                 /* Setup outgoing SDP to match incoming one */
1395                 ast_rtp_make_compatible(tc, chan, !outgoing && !rest);
1396                 
1397                 /* Inherit specially named variables from parent channel */
1398                 ast_channel_inherit_variables(chan, tc);
1399
1400                 tc->appl = "AppDial";
1401                 tc->data = "(Outgoing Line)";
1402                 tc->whentohangup = 0;
1403
1404                 S_REPLACE(tc->cid.cid_num, ast_strdup(chan->cid.cid_num));
1405                 S_REPLACE(tc->cid.cid_name, ast_strdup(chan->cid.cid_name));
1406                 S_REPLACE(tc->cid.cid_ani, ast_strdup(chan->cid.cid_ani));
1407                 S_REPLACE(tc->cid.cid_rdnis, ast_strdup(chan->cid.cid_rdnis));
1408                 
1409                 /* Copy language from incoming to outgoing */
1410                 ast_string_field_set(tc, language, chan->language);
1411                 ast_string_field_set(tc, accountcode, chan->accountcode);
1412                 tc->cdrflags = chan->cdrflags;
1413                 if (ast_strlen_zero(tc->musicclass))
1414                         ast_string_field_set(tc, musicclass, chan->musicclass);
1415                 /* Pass callingpres, type of number, tns, ADSI CPE, transfer capability */
1416                 tc->cid.cid_pres = chan->cid.cid_pres;
1417                 tc->cid.cid_ton = chan->cid.cid_ton;
1418                 tc->cid.cid_tns = chan->cid.cid_tns;
1419                 tc->adsicpe = chan->adsicpe;
1420                 tc->transfercapability = chan->transfercapability;
1421
1422                 /* If we have an outbound group, set this peer channel to it */
1423                 if (outbound_group)
1424                         ast_app_group_set_channel(tc, outbound_group);
1425
1426                 /* Inherit context and extension */
1427                 if (!ast_strlen_zero(chan->macrocontext))
1428                         ast_copy_string(tc->dialcontext, chan->macrocontext, sizeof(tc->dialcontext));
1429                 else
1430                         ast_copy_string(tc->dialcontext, chan->context, sizeof(tc->dialcontext));
1431                 if (!ast_strlen_zero(chan->macroexten))
1432                         ast_copy_string(tc->exten, chan->macroexten, sizeof(tc->exten));
1433                 else
1434                         ast_copy_string(tc->exten, chan->exten, sizeof(tc->exten));
1435
1436                 res = ast_call(tc, numsubst, 0);        /* Place the call, but don't wait on the answer */
1437
1438                 /* Save the info in cdr's that we called them */
1439                 if (chan->cdr)
1440                         ast_cdr_setdestchan(chan->cdr, tc->name);
1441
1442                 /* check the results of ast_call */
1443                 if (res) {
1444                         /* Again, keep going even if there's an error */
1445                         ast_debug(1, "ast call on peer returned %d\n", res);
1446                         if (option_verbose > 2)
1447                                 ast_verbose(VERBOSE_PREFIX_3 "Couldn't call %s\n", numsubst);
1448                         ast_hangup(tc);
1449                         tc = NULL;
1450                         ast_free(tmp);
1451                         continue;
1452                 } else {
1453                         senddialevent(chan, tc);
1454                         if (option_verbose > 2)
1455                                 ast_verbose(VERBOSE_PREFIX_3 "Called %s\n", numsubst);
1456                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID))
1457                                 ast_set_callerid(tc, S_OR(chan->macroexten, chan->exten), get_cid_name(cidname, sizeof(cidname), chan), NULL);
1458                 }
1459                 /* Put them in the list of outgoing thingies...  We're ready now. 
1460                    XXX If we're forcibly removed, these outgoing calls won't get
1461                    hung up XXX */
1462                 ast_set_flag(tmp, DIAL_STILLGOING);     
1463                 tmp->chan = tc;
1464                 tmp->next = outgoing;
1465                 outgoing = tmp;
1466                 /* If this line is up, don't try anybody else */
1467                 if (outgoing->chan->_state == AST_STATE_UP)
1468                         break;
1469         }
1470         
1471         if (ast_strlen_zero(args.timeout)) {
1472                 to = -1;
1473         } else {
1474                 to = atoi(args.timeout);
1475                 if (to > 0)
1476                         to *= 1000;
1477                 else
1478                         ast_log(LOG_WARNING, "Invalid timeout specified: '%s'\n", args.timeout);
1479         }
1480
1481         if (!outgoing) {
1482                 strcpy(pa.status, "CHANUNAVAIL");
1483         } else {
1484                 /* Our status will at least be NOANSWER */
1485                 strcpy(pa.status, "NOANSWER");
1486                 if (ast_test_flag(outgoing, OPT_MUSICBACK)) {
1487                         moh = 1;
1488                         if (!ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
1489                                 char *original_moh = ast_strdupa(chan->musicclass);
1490                                 ast_string_field_set(chan, musicclass, opt_args[OPT_ARG_MUSICBACK]);
1491                                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1492                                 ast_string_field_set(chan, musicclass, original_moh);
1493                         } else {
1494                                 ast_moh_start(chan, NULL, NULL);
1495                         }
1496                         ast_indicate(chan, AST_CONTROL_PROGRESS);
1497                 } else if (ast_test_flag(outgoing, OPT_RINGBACK)) {
1498                         ast_indicate(chan, AST_CONTROL_RINGING);
1499                         sentringing++;
1500                 }
1501         }
1502
1503         time(&start_time);
1504         peer = wait_for_answer(chan, outgoing, &to, peerflags, &pa, &num, &result);
1505         
1506         if (!peer) {
1507                 if (result) {
1508                         res = result;
1509                 } else if (to) { /* Musta gotten hung up */
1510                         res = -1;
1511                 } else { /* Nobody answered, next please? */
1512                         res = 0;
1513                 }
1514                 /* almost done, although the 'else' block is 400 lines */
1515         } else {
1516                 const char *number;
1517                 time_t end_time, answer_time = time(NULL);
1518                 char toast[80]; /* buffer to set variables */
1519
1520                 strcpy(pa.status, "ANSWER");
1521                 /* Ah ha!  Someone answered within the desired timeframe.  Of course after this
1522                    we will always return with -1 so that it is hung up properly after the 
1523                    conversation.  */
1524                 hanguptree(outgoing, peer, 1);
1525                 outgoing = NULL;
1526                 /* If appropriate, log that we have a destination channel */
1527                 if (chan->cdr)
1528                         ast_cdr_setdestchan(chan->cdr, peer->name);
1529                 if (peer->name)
1530                         pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", peer->name);
1531
1532                 number = pbx_builtin_getvar_helper(peer, "DIALEDPEERNUMBER");
1533                 if (!number)
1534                         number = numsubst;
1535                 pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", number);
1536                 if (!ast_strlen_zero(args.url) && ast_channel_supports_html(peer) ) {
1537                         ast_debug(1, "app_dial: sendurl=%s.\n", args.url);
1538                         ast_channel_sendurl( peer, args.url );
1539                 }
1540                 if ( (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) && pa.privdb_val == AST_PRIVACY_UNKNOWN) {
1541                         if (do_privacy(chan, peer, &opts, opt_args, &pa)) {
1542                                 res = 0;
1543                                 goto out;
1544                         }
1545                 }
1546                 if (!ast_test_flag(&opts, OPT_ANNOUNCE) || ast_strlen_zero(opt_args[OPT_ARG_ANNOUNCE])) {
1547                         res = 0;
1548                 } else {
1549                         int digit = 0;
1550                         /* Start autoservice on the other chan */
1551                         res = ast_autoservice_start(chan);
1552                         /* Now Stream the File */
1553                         if (!res)
1554                                 res = ast_streamfile(peer, opt_args[OPT_ARG_ANNOUNCE], peer->language);
1555                         if (!res) {
1556                                 digit = ast_waitstream(peer, AST_DIGIT_ANY); 
1557                         }
1558                         /* Ok, done. stop autoservice */
1559                         res = ast_autoservice_stop(chan);
1560                         if (digit > 0 && !res)
1561                                 res = ast_senddigit(chan, digit); 
1562                         else
1563                                 res = digit;
1564
1565                 }
1566
1567                 if (chan && peer && ast_test_flag(&opts, OPT_GOTO) && !ast_strlen_zero(opt_args[OPT_ARG_GOTO])) {
1568                         replace_macro_delimiter(opt_args[OPT_ARG_GOTO]);
1569                         ast_parseable_goto(chan, opt_args[OPT_ARG_GOTO]);
1570                         ast_parseable_goto(peer, opt_args[OPT_ARG_GOTO]);
1571                         peer->priority++;
1572                         ast_pbx_start(peer);
1573                         hanguptree(outgoing, NULL, ast_test_flag(&opts, OPT_CANCEL_ELSEWHERE) ? 1 : 0);
1574                         if (continue_exec)
1575                                 *continue_exec = 1;
1576                         res = 0;
1577                         goto done;
1578                 }
1579
1580                 if (ast_test_flag(&opts, OPT_CALLEE_MACRO) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_MACRO])) {
1581                         struct ast_app *theapp;
1582                         const char *macro_result;
1583
1584                         res = ast_autoservice_start(chan);
1585                         if (res) {
1586                                 ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
1587                                 res = -1;
1588                         }
1589
1590                         theapp = pbx_findapp("Macro");
1591
1592                         if (theapp && !res) {   /* XXX why check res here ? */
1593                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_MACRO]);
1594                                 res = pbx_exec(peer, theapp, opt_args[OPT_ARG_CALLEE_MACRO]);
1595                                 ast_debug(1, "Macro exited with status %d\n", res);
1596                                 res = 0;
1597                         } else {
1598                                 ast_log(LOG_ERROR, "Could not find application Macro\n");
1599                                 res = -1;
1600                         }
1601
1602                         if (ast_autoservice_stop(chan) < 0) {
1603                                 ast_log(LOG_ERROR, "Could not stop autoservice on calling channel\n");
1604                                 res = -1;
1605                         }
1606
1607                         if (!res && (macro_result = pbx_builtin_getvar_helper(peer, "MACRO_RESULT"))) {
1608                                 char *macro_transfer_dest;
1609
1610                                 if (!strcasecmp(macro_result, "BUSY")) {
1611                                         ast_copy_string(pa.status, macro_result, sizeof(pa.status));
1612                                         ast_set_flag(peerflags, OPT_GO_ON);
1613                                         res = -1;
1614                                 } else if (!strcasecmp(macro_result, "CONGESTION") || !strcasecmp(macro_result, "CHANUNAVAIL")) {
1615                                         ast_copy_string(pa.status, macro_result, sizeof(pa.status));
1616                                         ast_set_flag(peerflags, OPT_GO_ON);     
1617                                         res = -1;
1618                                 } else if (!strcasecmp(macro_result, "CONTINUE")) {
1619                                         /* hangup peer and keep chan alive assuming the macro has changed 
1620                                            the context / exten / priority or perhaps 
1621                                            the next priority in the current exten is desired.
1622                                         */
1623                                         ast_set_flag(peerflags, OPT_GO_ON);     
1624                                         res = -1;
1625                                 } else if (!strcasecmp(macro_result, "ABORT")) {
1626                                         /* Hangup both ends unless the caller has the g flag */
1627                                         res = -1;
1628                                 } else if (!strncasecmp(macro_result, "GOTO:", 5) && (macro_transfer_dest = ast_strdupa(macro_result + 5))) {
1629                                         res = -1;
1630                                         /* perform a transfer to a new extension */
1631                                         if (strchr(macro_transfer_dest, '^')) { /* context^exten^priority*/
1632                                                 replace_macro_delimiter(macro_transfer_dest);
1633                                                 if (!ast_parseable_goto(chan, macro_transfer_dest))
1634                                                         ast_set_flag(peerflags, OPT_GO_ON);
1635                                         }
1636                                 }
1637                         }
1638                 }
1639
1640                 if (ast_test_flag(&opts, OPT_CALLEE_GOSUB) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_GOSUB])) {
1641                         struct ast_app *theapp;
1642                         const char *gosub_result;
1643                         char *gosub_args, *gosub_argstart;
1644
1645                         res = ast_autoservice_start(chan);
1646                         if (res) {
1647                                 ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
1648                                 res = -1;
1649                         }
1650
1651                         theapp = pbx_findapp("Gosub");
1652
1653                         if (theapp && !res) {   /* XXX why check res here ? */
1654                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_GOSUB]);
1655
1656                                 /* Set where we came from */
1657                                 ast_copy_string(peer->context, "app_dial_gosub_virtual_context", sizeof(peer->context));
1658                                 ast_copy_string(peer->exten, "s", sizeof(peer->exten));
1659                                 peer->priority = 0;
1660
1661                                 gosub_argstart = strchr(opt_args[OPT_ARG_CALLEE_GOSUB], '|');
1662                                 if (gosub_argstart) {
1663                                         *gosub_argstart = 0;
1664                                         asprintf(&gosub_args, "%s|s|1(%s)", opt_args[OPT_ARG_CALLEE_GOSUB], gosub_argstart + 1);
1665                                         *gosub_argstart = '|';
1666                                 } else {
1667                                         asprintf(&gosub_args, "%s|s|1", opt_args[OPT_ARG_CALLEE_GOSUB]);
1668                                 }
1669
1670                                 if (gosub_args) {
1671                                         res = pbx_exec(peer, theapp, gosub_args);
1672                                         ast_pbx_run(peer);
1673                                         free(gosub_args);
1674                                         if (option_debug)
1675                                                 ast_log(LOG_DEBUG, "Gosub exited with status %d\n", res);
1676                                 } else
1677                                         ast_log(LOG_ERROR, "Could not Allocate string for Gosub arguments -- Gosub Call Aborted!\n");
1678                                 
1679                                 res = 0;
1680                         } else {
1681                                 ast_log(LOG_ERROR, "Could not find application Gosub\n");
1682                                 res = -1;
1683                         }
1684
1685                         if (ast_autoservice_stop(chan) < 0) {
1686                                 ast_log(LOG_ERROR, "Could not stop autoservice on calling channel\n");
1687                                 res = -1;
1688                         }
1689
1690                         if (!res && (gosub_result = pbx_builtin_getvar_helper(peer, "GOSUB_RESULT"))) {
1691                                 char *gosub_transfer_dest;
1692
1693                                 if (!strcasecmp(gosub_result, "BUSY")) {
1694                                         ast_copy_string(pa.status, gosub_result, sizeof(pa.status));
1695                                         ast_set_flag(peerflags, OPT_GO_ON);
1696                                         res = -1;
1697                                 } else if (!strcasecmp(gosub_result, "CONGESTION") || !strcasecmp(gosub_result, "CHANUNAVAIL")) {
1698                                         ast_copy_string(pa.status, gosub_result, sizeof(pa.status));
1699                                         ast_set_flag(peerflags, OPT_GO_ON);     
1700                                         res = -1;
1701                                 } else if (!strcasecmp(gosub_result, "CONTINUE")) {
1702                                         /* hangup peer and keep chan alive assuming the macro has changed 
1703                                            the context / exten / priority or perhaps 
1704                                            the next priority in the current exten is desired.
1705                                         */
1706                                         ast_set_flag(peerflags, OPT_GO_ON);     
1707                                         res = -1;
1708                                 } else if (!strcasecmp(gosub_result, "ABORT")) {
1709                                         /* Hangup both ends unless the caller has the g flag */
1710                                         res = -1;
1711                                 } else if (!strncasecmp(gosub_result, "GOTO:", 5) && (gosub_transfer_dest = ast_strdupa(gosub_result + 5))) {
1712                                         res = -1;
1713                                         /* perform a transfer to a new extension */
1714                                         if (strchr(gosub_transfer_dest, '^')) { /* context^exten^priority*/
1715                                                 replace_macro_delimiter(gosub_transfer_dest);
1716                                                 if (!ast_parseable_goto(chan, gosub_transfer_dest))
1717                                                         ast_set_flag(peerflags, OPT_GO_ON);
1718                                         }
1719                                 }
1720                         }
1721                 }
1722
1723                 if (!res) {
1724                         if (calldurationlimit > 0) {
1725                                 peer->whentohangup = time(NULL) + calldurationlimit;
1726                         }
1727                         if (!ast_strlen_zero(dtmfcalled)) { 
1728                                 if (option_verbose > 2)
1729                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the called party.\n", dtmfcalled);
1730                                 res = ast_dtmf_stream(peer,chan,dtmfcalled,250);
1731                         }
1732                         if (!ast_strlen_zero(dtmfcalling)) {
1733                                 if (option_verbose > 2)
1734                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the calling party.\n", dtmfcalling);
1735                                 res = ast_dtmf_stream(chan,peer,dtmfcalling,250);
1736                         }
1737                 }
1738                 
1739                 if (res) {      /* some error */
1740                         res = -1;
1741                         end_time = time(NULL);
1742                 } else {
1743                         if (ast_test_flag(peerflags, OPT_CALLEE_TRANSFER))
1744                                 ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
1745                         if (ast_test_flag(peerflags, OPT_CALLER_TRANSFER))
1746                                 ast_set_flag(&(config.features_caller), AST_FEATURE_REDIRECT);
1747                         if (ast_test_flag(peerflags, OPT_CALLEE_HANGUP))
1748                                 ast_set_flag(&(config.features_callee), AST_FEATURE_DISCONNECT);
1749                         if (ast_test_flag(peerflags, OPT_CALLER_HANGUP))
1750                                 ast_set_flag(&(config.features_caller), AST_FEATURE_DISCONNECT);
1751                         if (ast_test_flag(peerflags, OPT_CALLEE_MONITOR))
1752                                 ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
1753                         if (ast_test_flag(peerflags, OPT_CALLER_MONITOR)) 
1754                                 ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
1755                         if (ast_test_flag(peerflags, OPT_CALLEE_PARK))
1756                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PARKCALL);
1757                         if (ast_test_flag(peerflags, OPT_CALLER_PARK))
1758                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PARKCALL);
1759
1760                         if (moh) {
1761                                 moh = 0;
1762                                 ast_moh_stop(chan);
1763                         } else if (sentringing) {
1764                                 sentringing = 0;
1765                                 ast_indicate(chan, -1);
1766                         }
1767                         /* Be sure no generators are left on it */
1768                         ast_deactivate_generator(chan);
1769                         /* Make sure channels are compatible */
1770                         res = ast_channel_make_compatible(chan, peer);
1771                         if (res < 0) {
1772                                 ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", chan->name, peer->name);
1773                                 ast_hangup(peer);
1774                                 res = -1;
1775                                 goto done;
1776                         }
1777                         if (opermode && !strncmp(chan->name,"Zap",3) && !strncmp(peer->name,"Zap",3)) {
1778                                 /* XXX what's this special handling for Zap <-> Zap ? */
1779                                 struct oprmode oprmode;
1780
1781                                 oprmode.peer = peer;
1782                                 oprmode.mode = opermode;
1783
1784                                 ast_channel_setoption(chan,
1785                                         AST_OPTION_OPRMODE,&oprmode,sizeof(struct oprmode),0);
1786                         }
1787                         res = ast_bridge_call(chan,peer,&config);
1788                         end_time = time(NULL);
1789                         snprintf(toast, sizeof(toast), "%ld", (long)(end_time - answer_time));
1790                         pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", toast);
1791                 }
1792
1793                 snprintf(toast, sizeof(toast), "%ld", (long)(end_time - start_time));
1794                 pbx_builtin_setvar_helper(chan, "DIALEDTIME", toast);
1795                 
1796                 
1797                 if (ast_test_flag(&opts, OPT_PEER_H)) {
1798                         ast_log(LOG_NOTICE,"PEER context: %s; PEER exten: %s;  PEER priority: %d\n", 
1799                                         peer->context, peer->exten, peer->priority);
1800                 }
1801                 
1802                 strcpy(peer->context, chan->context);
1803
1804                 if (ast_test_flag(&opts, OPT_PEER_H) && ast_exists_extension(peer, peer->context, "h", 1, peer->cid.cid_num)) {
1805                         strcpy(peer->exten, "h");
1806                         peer->priority = 1;
1807                         while (ast_exists_extension(peer, peer->context, peer->exten, peer->priority, peer->cid.cid_num)) {
1808                                 if ((res = ast_spawn_extension(peer, peer->context, peer->exten, peer->priority, peer->cid.cid_num))) {
1809                                         /* Something bad happened, or a hangup has been requested. */
1810                                         ast_debug(1, "Spawn extension (%s,%s,%d) exited non-zero on '%s'\n", peer->context, peer->exten, peer->priority, peer->name);
1811                                         if (option_verbose > 1)
1812                                                 ast_verbose( VERBOSE_PREFIX_2 "Spawn extension (%s, %s, %d) exited non-zero on '%s'\n", peer->context, peer->exten, peer->priority, peer->name);
1813                                         break;
1814                                 }
1815                                 peer->priority++;
1816                         }
1817                 }
1818                 if (res != AST_PBX_NO_HANGUP_PEER) {
1819                         if (!chan->_softhangup)
1820                                 chan->hangupcause = peer->hangupcause;
1821                         ast_hangup(peer);
1822                 }
1823         }       
1824 out:
1825         if (moh) {
1826                 moh = 0;
1827                 ast_moh_stop(chan);
1828         } else if (sentringing) {
1829                 sentringing = 0;
1830                 ast_indicate(chan, -1);
1831         }
1832         ast_channel_early_bridge(chan, NULL);
1833         hanguptree(outgoing, NULL, 0);  /* In this case, there's no answer anywhere */
1834         pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1835         senddialendevent(chan, pa.status);
1836         ast_debug(1, "Exiting with DIALSTATUS=%s.\n", pa.status);
1837         
1838         if ((ast_test_flag(peerflags, OPT_GO_ON)) && (!chan->_softhangup) && (res != AST_PBX_KEEPALIVE)) {
1839                 if (calldurationlimit)
1840                         chan->whentohangup = 0;
1841                 res = 0;
1842         }
1843
1844 done:
1845         return res;
1846 }
1847
1848 static int dial_exec(struct ast_channel *chan, void *data)
1849 {
1850         struct ast_flags peerflags;
1851
1852         memset(&peerflags, 0, sizeof(peerflags));
1853
1854         return dial_exec_full(chan, data, &peerflags, NULL);
1855 }
1856
1857 static int retrydial_exec(struct ast_channel *chan, void *data)
1858 {
1859         char *announce = NULL, *dialdata = NULL;
1860         const char *context = NULL;
1861         int sleep = 0, loops = 0, res = -1;
1862         struct ast_flags peerflags;
1863         
1864         if (ast_strlen_zero(data)) {
1865                 ast_log(LOG_WARNING, "RetryDial requires an argument!\n");
1866                 return -1;
1867         }       
1868
1869         announce = ast_strdupa(data);
1870
1871         memset(&peerflags, 0, sizeof(peerflags));
1872
1873         if ((dialdata = strchr(announce, '|'))) {
1874                 *dialdata++ = '\0';
1875                 if (sscanf(dialdata, "%d", &sleep) == 1) {
1876                         sleep *= 1000;
1877                 } else {
1878                         ast_log(LOG_ERROR, "%s requires the numerical argument <sleep>\n",rapp);
1879                         goto done;
1880                 }
1881                 if ((dialdata = strchr(dialdata, '|'))) {
1882                         *dialdata++ = '\0';
1883                         if (sscanf(dialdata, "%d", &loops) != 1) {
1884                                 ast_log(LOG_ERROR, "%s requires the numerical argument <loops>\n",rapp);
1885                                 goto done;
1886                         }
1887                 }
1888         }
1889         
1890         if ((dialdata = strchr(dialdata, '|'))) {
1891                 *dialdata++ = '\0';
1892         } else {
1893                 ast_log(LOG_ERROR, "%s requires more arguments\n",rapp);
1894                 goto done;
1895         }
1896                 
1897         if (sleep < 1000)
1898                 sleep = 10000;
1899
1900         if (!loops)
1901                 loops = -1;     /* run forever */
1902         
1903         context = pbx_builtin_getvar_helper(chan, "EXITCONTEXT");
1904
1905         res = 0;
1906         while (loops) {
1907                 int continue_exec;
1908
1909                 chan->data = "Retrying";
1910                 if (ast_test_flag(chan, AST_FLAG_MOH))
1911                         ast_moh_stop(chan);
1912
1913                 res = dial_exec_full(chan, dialdata, &peerflags, &continue_exec);
1914                 if (continue_exec)
1915                         break;
1916
1917                 if (res == 0) {
1918                         if (ast_test_flag(&peerflags, OPT_DTMF_EXIT)) {
1919                                 if (!ast_strlen_zero(announce)) {
1920                                         if (ast_fileexists(announce, NULL, chan->language) > 0) {
1921                                                 if(!(res = ast_streamfile(chan, announce, chan->language)))                                                             
1922                                                         ast_waitstream(chan, AST_DIGIT_ANY);
1923                                         } else
1924                                                 ast_log(LOG_WARNING, "Announce file \"%s\" specified in Retrydial does not exist\n", announce);
1925                                 }
1926                                 if (!res && sleep) {
1927                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1928                                                 ast_moh_start(chan, NULL, NULL);
1929                                         res = ast_waitfordigit(chan, sleep);
1930                                 }
1931                         } else {
1932                                 if (!ast_strlen_zero(announce)) {
1933                                         if (ast_fileexists(announce, NULL, chan->language) > 0) {
1934                                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1935                                                         res = ast_waitstream(chan, "");
1936                                         } else
1937                                                 ast_log(LOG_WARNING, "Announce file \"%s\" specified in Retrydial does not exist\n", announce);
1938                                 }
1939                                 if (sleep) {
1940                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1941                                                 ast_moh_start(chan, NULL, NULL);
1942                                         if (!res)
1943                                                 res = ast_waitfordigit(chan, sleep);
1944                                 }
1945                         }
1946                 }
1947
1948                 if (res < 0)
1949                         break;
1950                 else if (res > 0) { /* Trying to send the call elsewhere (1 digit ext) */
1951                         if (onedigit_goto(chan, context, (char) res, 1)) {
1952                                 res = 0;
1953                                 break;
1954                         }
1955                 }
1956                 loops--;
1957         }
1958         if (loops == 0)
1959                 res = 0;
1960         else if (res == 1)
1961                 res = 0;
1962
1963         if (ast_test_flag(chan, AST_FLAG_MOH))
1964                 ast_moh_stop(chan);
1965  done:
1966         return res;
1967 }
1968
1969 static int unload_module(void)
1970 {
1971         int res;
1972         struct ast_context *con;
1973
1974         res = ast_unregister_application(app);
1975         res |= ast_unregister_application(rapp);
1976
1977         if ((con = ast_context_find("app_dial_gosub_virtual_context")))
1978                 ast_context_remove_extension2(con, "s", 1, NULL);
1979
1980         return res;
1981 }
1982
1983 static int load_module(void)
1984 {
1985         int res;
1986         struct ast_context *con;
1987
1988         con = ast_context_find("app_dial_gosub_virtual_context");
1989         if (!con)
1990                 con = ast_context_create(NULL, "app_dial_gosub_virtual_context", "app_dial");
1991         if (!con)
1992                 ast_log(LOG_ERROR, "Dial virtual context 'app_dial_gosub_virtual_context' does not exist and unable to create\n");
1993         else
1994                 ast_add_extension2(con, 1, "s", 1, NULL, NULL, "KeepAlive", ast_strdup(""), ast_free, "app_dial");
1995
1996         res = ast_register_application(app, dial_exec, synopsis, descrip);
1997         res |= ast_register_application(rapp, retrydial_exec, rsynopsis, rdescrip);
1998         
1999         return res;
2000 }
2001
2002 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Dialing Application");