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