231c5edb73e2bbcd6f2f2e0b42c86abb8548ca7a
[asterisk/asterisk.git] / apps / app_dial.c
1 /*
2  * Asterisk -- An open source telephony toolkit.
3  *
4  * Copyright (C) 1999 - 2006, Digium, Inc.
5  *
6  * Mark Spencer <markster@digium.com>
7  *
8  * See http://www.asterisk.org for more information about
9  * the Asterisk project. Please do not directly contact
10  * any of the maintainers of this project for assistance;
11  * the project provides a web site, mailing lists and IRC
12  * channels for your use.
13  *
14  * This program is free software, distributed under the terms of
15  * the GNU General Public License Version 2. See the LICENSE file
16  * at the top of the source tree.
17  */
18
19 /*! \file
20  *
21  * \brief dial() & retrydial() - Trivial application to dial a channel and send an URL on answer
22  *
23  * \author Mark Spencer <markster@digium.com>
24  * 
25  * \ingroup applications
26  */
27
28 #include "asterisk.h"
29
30 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
31
32 #include <stdlib.h>
33 #include <errno.h>
34 #include <unistd.h>
35 #include <string.h>
36 #include <stdlib.h>
37 #include <stdio.h>
38 #include <sys/time.h>
39 #include <sys/signal.h>
40 #include <sys/stat.h>
41 #include <netinet/in.h>
42
43 #include "asterisk/lock.h"
44 #include "asterisk/file.h"
45 #include "asterisk/logger.h"
46 #include "asterisk/channel.h"
47 #include "asterisk/pbx.h"
48 #include "asterisk/options.h"
49 #include "asterisk/module.h"
50 #include "asterisk/translate.h"
51 #include "asterisk/say.h"
52 #include "asterisk/config.h"
53 #include "asterisk/features.h"
54 #include "asterisk/musiconhold.h"
55 #include "asterisk/callerid.h"
56 #include "asterisk/utils.h"
57 #include "asterisk/app.h"
58 #include "asterisk/causes.h"
59 #include "asterisk/rtp.h"
60 #include "asterisk/manager.h"
61 #include "asterisk/privacy.h"
62 #include "asterisk/stringfields.h"
63
64 static char *app = "Dial";
65
66 static char *synopsis = "Place a call and connect to the current channel";
67
68 static char *descrip =
69 "  Dial(Technology/resource[&Tech2/resource2...][|timeout][|options][|URL]):\n"
70 "This applicaiton will place calls to one or more specified channels. As soon\n"
71 "as one of the requested channels answers, the originating channel will be\n"
72 "answered, if it has not already been answered. These two channels will then\n"
73 "be active in a bridged call. All other channels that were requested will then\n"
74 "be hung up.\n"
75 "  Unless there is a timeout specified, the Dial application will wait\n"
76 "indefinitely until one of the called channels answers, the user hangs up, or\n"
77 "if all of the called channels are busy or unavailable. Dialplan executing will\n"
78 "continue if no requested channels can be called, or if the timeout expires.\n\n"
79 "  This application sets the following channel variables upon completion:\n"
80 "    DIALEDTIME   - This is the time from dialing a channel until when it\n"
81 "                   is disconnected.\n" 
82 "    ANSWEREDTIME - This is the amount of time for actual call.\n"
83 "    DIALSTATUS   - This is the status of the call:\n"
84 "                   CHANUNAVAIL | CONGESTION | NOANSWER | BUSY | ANSWER | CANCEL\n" 
85 "                   DONTCALL | TORTURE\n"
86 "  For the Privacy and Screening Modes, the DIALSTATUS variable will be set to\n"
87 "DONTCALL if the called party chooses to send the calling party to the 'Go Away'\n"
88 "script. The DIALSTATUS variable will be set to TORTURE if the called party\n"
89 "wants to send the caller to the 'torture' script.\n"
90 "  This application will report normal termination if the originating channel\n"
91 "hangs up, or if the call is bridged and either of the parties in the bridge\n"
92 "ends the call.\n"
93 "  The optional URL will be sent to the called party if the channel supports it.\n"
94 "  If the OUTBOUND_GROUP variable is set, all peer channels created by this\n"
95 "application will be put into that group (as in Set(GROUP()=...).\n\n"
96 "  Options:\n"
97 "    A(x) - Play an announcement to the called party, using 'x' as the file.\n"
98 "    C    - Reset the CDR for this call.\n"
99 "    d    - Allow the calling user to dial a 1 digit extension while waiting for\n"
100 "           a call to be answered. Exit to that extension if it exists in the\n"
101 "           current context, or the context defined in the EXITCONTEXT variable,\n"
102 "           if it exists.\n"
103 "    D([called][:calling]) - Send the specified DTMF strings *after* the called\n"
104 "           party has answered, but before the call gets bridged. The 'called'\n"
105 "           DTMF string is sent to the called party, and the 'calling' DTMF\n"
106 "           string is sent to the calling party. Both parameters can be used\n"
107 "           alone.\n"   
108 "    f    - Force the callerid of the *calling* channel to be set as the\n"
109 "           extension associated with the channel using a dialplan 'hint'.\n"
110 "           For example, some PSTNs do not allow CallerID to be set to anything\n"
111 "           other than the number assigned to the caller.\n"
112 "    g    - Proceed with dialplan execution at the current extension if the\n"
113 "           destination channel hangs up.\n"
114 "    G(context^exten^pri) - If the call is answered, transfer the calling party to\n"
115 "           the specified priority and the called party to the specified priority+1.\n"
116 "           Optionally, an extension, or extension and context may be specified. \n"
117 "           Otherwise, the current extension is used. You cannot use any additional\n"
118 "           action post answer options in conjunction with this option.\n" 
119 "    h    - Allow the called party to hang up by sending the '*' DTMF digit.\n"
120 "    H    - Allow the calling party to hang up by hitting the '*' DTMF digit.\n"
121 "    i    - Asterisk will ignore any forwarding requests it may receive on this\n"
122 "           dial attempt.\n"
123 "    j    - Jump to priority n+101 if all of the requested channels were busy.\n"
124 "    L(x[:y][:z]) - Limit the call to 'x' ms. Play a warning when 'y' ms are\n"
125 "           left. Repeat the warning every 'z' ms. The following special\n"
126 "           variables can be used with this option:\n"
127 "           * LIMIT_PLAYAUDIO_CALLER   yes|no (default yes)\n"
128 "                                      Play sounds to the caller.\n"
129 "           * LIMIT_PLAYAUDIO_CALLEE   yes|no\n"
130 "                                      Play sounds to the callee.\n"
131 "           * LIMIT_TIMEOUT_FILE       File to play when time is up.\n"
132 "           * LIMIT_CONNECT_FILE       File to play when call begins.\n"
133 "           * LIMIT_WARNING_FILE       File to play as warning if 'y' is defined.\n"
134 "                                      The default is to say the time remaining.\n"
135 "    m([class]) - Provide hold music to the calling party until a requested\n"
136 "           channel answers. A specific MusicOnHold class can be\n"
137 "           specified.\n"
138 "    M(x[^arg]) - Execute the Macro for the *called* channel before connecting\n"
139 "           to the calling channel. Arguments can be specified to the Macro\n"
140 "           using '^' as a delimeter. The Macro can set the variable\n"
141 "           MACRO_RESULT to specify the following actions after the Macro is\n" 
142 "           finished executing.\n"
143 "           * ABORT        Hangup both legs of the call.\n"
144 "           * CONGESTION   Behave as if line congestion was encountered.\n"
145 "           * BUSY         Behave as if a busy signal was encountered. This will also\n"
146 "                          have the application jump to priority n+101 if the\n"
147 "                          'j' option is set.\n"
148 "           * CONTINUE     Hangup the called party and allow the calling party\n"
149 "                          to continue dialplan execution at the next priority.\n"
150 "           * GOTO:<context>^<exten>^<priority> - Transfer the call to the\n"
151 "                          specified priority. Optionally, an extension, or\n"
152 "                          extension and priority can be specified.\n"
153 "           You cannot use any additional action post answer options in conjunction\n"
154 "           with this option. Also, pbx services are not run on the peer (called) channel,\n"
155 "           so you will not be able to set timeouts via the TIMEOUT() function in this macro.\n"
156 "    n    - This option is a modifier for the screen/privacy mode. It specifies\n"
157 "           that no introductions are to be saved in the priv-callerintros\n"
158 "           directory.\n"
159 "    N    - This option is a modifier for the screen/privacy mode. It specifies\n"
160 "           that if callerID is present, do not screen the call.\n"
161 "    o    - Specify that the CallerID that was present on the *calling* channel\n"
162 "           be set as the CallerID on the *called* channel. This was the\n"
163 "           behavior of Asterisk 1.0 and earlier.\n"
164 "    O([x]) - \"Operator Services\" mode (Zaptel channel to Zaptel channel\n"
165 "             only, if specified on non-Zaptel interface, it will be ignored).\n"
166 "             When the destination answers (presumably an operator services\n"
167 "             station), the originator no longer has control of their line.\n"
168 "             They may hang up, but the switch will not release their line\n"
169 "             until the destination party hangs up (the operator). Specified\n"
170 "             without an arg, or with 1 as an arg, the originator hanging up\n"
171 "             will cause the phone to ring back immediately. With a 2 specified,\n"
172 "             when the \"operator\" flashes the trunk, it will ring their phone\n"
173 "             back.\n"
174 "    p    - This option enables screening mode. This is basically Privacy mode\n"
175 "           without memory.\n"
176 "    P([x]) - Enable privacy mode. Use 'x' as the family/key in the database if\n"
177 "           it is provided. The current extension is used if a database\n"
178 "           family/key is not specified.\n"
179 "    r    - Indicate ringing to the calling party. Pass no audio to the calling\n"
180 "           party until the called channel has answered.\n"
181 "    S(x) - Hang up the call after 'x' seconds *after* the called party has\n"
182 "           answered the call.\n"       
183 "    t    - Allow the called party to transfer the calling party by sending the\n"
184 "           DTMF sequence defined in features.conf.\n"
185 "    T    - Allow the calling party to transfer the called party by sending the\n"
186 "           DTMF sequence defined in features.conf.\n"
187 "    w    - Allow the called party to enable recording of the call by sending\n"
188 "           the DTMF sequence defined for one-touch recording in features.conf.\n"
189 "    W    - Allow the calling party to enable recording of the call by sending\n"
190 "           the DTMF sequence defined for one-touch recording in features.conf.\n"
191 "    k    - Allow the called party to enable parking of the call by sending\n"
192 "           the DTMF sequence defined for call parking in features.conf.\n"
193 "    K    - Allow the calling party to enable parking of the call by sending\n"
194 "           the DTMF sequence defined for call parking in features.conf.\n";
195
196 /* RetryDial App by Anthony Minessale II <anthmct@yahoo.com> Jan/2005 */
197 static char *rapp = "RetryDial";
198 static char *rsynopsis = "Place a call, retrying on failure allowing optional exit extension.";
199 static char *rdescrip =
200 "  RetryDial(announce|sleep|retries|dialargs): This application will attempt to\n"
201 "place a call using the normal Dial application. If no channel can be reached,\n"
202 "the 'announce' file will be played. Then, it will wait 'sleep' number of\n"
203 "seconds before retying the call. After 'retires' number of attempts, the\n"
204 "calling channel will continue at the next priority in the dialplan. If the\n"
205 "'retries' setting is set to 0, this application will retry endlessly.\n"
206 "  While waiting to retry a call, a 1 digit extension may be dialed. If that\n"
207 "extension exists in either the context defined in ${EXITCONTEXT} or the current\n"
208 "one, The call will jump to that extension immediately.\n"
209 "  The 'dialargs' are specified in the same format that arguments are provided\n"
210 "to the Dial application.\n";
211
212 enum {
213         OPT_ANNOUNCE =          (1 << 0),
214         OPT_RESETCDR =          (1 << 1),
215         OPT_DTMF_EXIT =         (1 << 2),
216         OPT_SENDDTMF =          (1 << 3),
217         OPT_FORCECLID =         (1 << 4),
218         OPT_GO_ON =             (1 << 5),
219         OPT_CALLEE_HANGUP =     (1 << 6),
220         OPT_CALLER_HANGUP =     (1 << 7),
221         OPT_PRIORITY_JUMP =     (1 << 8),
222         OPT_DURATION_LIMIT =    (1 << 9),
223         OPT_MUSICBACK =         (1 << 10),
224         OPT_CALLEE_MACRO =      (1 << 11),
225         OPT_SCREEN_NOINTRO =    (1 << 12),
226         OPT_SCREEN_NOCLID =     (1 << 13),
227         OPT_ORIGINAL_CLID =     (1 << 14),
228         OPT_SCREENING =         (1 << 15),
229         OPT_PRIVACY =           (1 << 16),
230         OPT_RINGBACK =          (1 << 17),
231         OPT_DURATION_STOP =     (1 << 18),
232         OPT_CALLEE_TRANSFER =   (1 << 19),
233         OPT_CALLER_TRANSFER =   (1 << 20),
234         OPT_CALLEE_MONITOR =    (1 << 21),
235         OPT_CALLER_MONITOR =    (1 << 22),
236         OPT_GOTO =              (1 << 23),
237         OPT_OPERMODE =          (1 << 24),
238         OPT_CALLEE_PARK =       (1 << 25),
239         OPT_CALLER_PARK =       (1 << 26),
240         OPT_IGNORE_FORWARDING = (1 << 27),
241 } dial_exec_option_flags;
242
243 #define DIAL_STILLGOING                 (1 << 30)
244 #define DIAL_NOFORWARDHTML              (1 << 31)
245
246 enum {
247         OPT_ARG_ANNOUNCE = 0,
248         OPT_ARG_SENDDTMF,
249         OPT_ARG_GOTO,
250         OPT_ARG_DURATION_LIMIT,
251         OPT_ARG_MUSICBACK,
252         OPT_ARG_CALLEE_MACRO,
253         OPT_ARG_PRIVACY,
254         OPT_ARG_DURATION_STOP,
255         OPT_ARG_OPERMODE,
256         /* note: this entry _MUST_ be the last one in the enum */
257         OPT_ARG_ARRAY_SIZE,
258 } dial_exec_option_args;
259
260 AST_APP_OPTIONS(dial_exec_options, {
261         AST_APP_OPTION_ARG('A', OPT_ANNOUNCE, OPT_ARG_ANNOUNCE),
262         AST_APP_OPTION('C', OPT_RESETCDR),
263         AST_APP_OPTION('d', OPT_DTMF_EXIT),
264         AST_APP_OPTION_ARG('D', OPT_SENDDTMF, OPT_ARG_SENDDTMF),
265         AST_APP_OPTION('f', OPT_FORCECLID),
266         AST_APP_OPTION('g', OPT_GO_ON),
267         AST_APP_OPTION_ARG('G', OPT_GOTO, OPT_ARG_GOTO),
268         AST_APP_OPTION('h', OPT_CALLEE_HANGUP),
269         AST_APP_OPTION('H', OPT_CALLER_HANGUP),
270         AST_APP_OPTION('i', OPT_IGNORE_FORWARDING),
271         AST_APP_OPTION('j', OPT_PRIORITY_JUMP),
272         AST_APP_OPTION_ARG('L', OPT_DURATION_LIMIT, OPT_ARG_DURATION_LIMIT),
273         AST_APP_OPTION_ARG('m', OPT_MUSICBACK, OPT_ARG_MUSICBACK),
274         AST_APP_OPTION_ARG('M', OPT_CALLEE_MACRO, OPT_ARG_CALLEE_MACRO),
275         AST_APP_OPTION('n', OPT_SCREEN_NOINTRO),
276         AST_APP_OPTION('N', OPT_SCREEN_NOCLID),
277         AST_APP_OPTION_ARG('O', OPT_OPERMODE,OPT_ARG_OPERMODE),
278         AST_APP_OPTION('o', OPT_ORIGINAL_CLID),
279         AST_APP_OPTION('p', OPT_SCREENING),
280         AST_APP_OPTION_ARG('P', OPT_PRIVACY, OPT_ARG_PRIVACY),
281         AST_APP_OPTION('r', OPT_RINGBACK),
282         AST_APP_OPTION_ARG('S', OPT_DURATION_STOP, OPT_ARG_DURATION_STOP),
283         AST_APP_OPTION('t', OPT_CALLEE_TRANSFER),
284         AST_APP_OPTION('T', OPT_CALLER_TRANSFER),
285         AST_APP_OPTION('w', OPT_CALLEE_MONITOR),
286         AST_APP_OPTION('W', OPT_CALLER_MONITOR),
287         AST_APP_OPTION('k', OPT_CALLEE_PARK),
288         AST_APP_OPTION('K', OPT_CALLER_PARK),
289 });
290
291 /* We define a custom "local user" structure because we
292    use it not only for keeping track of what is in use but
293    also for keeping track of who we're dialing. */
294
295 struct dial_localuser {
296         struct ast_channel *chan;
297         unsigned int flags;
298         int forwards;
299         struct dial_localuser *next;
300 };
301
302
303 static void hanguptree(struct dial_localuser *outgoing, struct ast_channel *exception)
304 {
305         /* Hang up a tree of stuff */
306         struct dial_localuser *oo;
307         while (outgoing) {
308                 /* Hangup any existing lines we have open */
309                 if (outgoing->chan && (outgoing->chan != exception))
310                         ast_hangup(outgoing->chan);
311                 oo = outgoing;
312                 outgoing=outgoing->next;
313                 free(oo);
314         }
315 }
316
317 #define AST_MAX_FORWARDS   8
318
319 #define AST_MAX_WATCHERS 256
320
321 /*
322  * argument to handle_cause() and other functions.
323  */
324 struct cause_args {
325         struct ast_channel *chan;
326         int busy;
327         int congestion;
328         int nochan;
329 };
330
331 static void handle_cause(int cause, struct cause_args *num)
332 {
333         struct ast_cdr *cdr = num->chan->cdr;
334
335         switch(cause) {
336         case AST_CAUSE_BUSY:
337                 if (cdr)
338                         ast_cdr_busy(cdr);
339                 num->busy++;
340                 break;
341
342         case AST_CAUSE_CONGESTION:
343                 if (cdr)
344                         ast_cdr_failed(cdr);
345                 num->congestion++;
346                 break;
347
348         case AST_CAUSE_UNREGISTERED:
349                 if (cdr)
350                         ast_cdr_failed(cdr);
351                 num->nochan++;
352                 break;
353
354         case AST_CAUSE_NORMAL_CLEARING:
355                 break;
356
357         default:
358                 num->nochan++;
359                 break;
360         }
361 }
362
363 /* free the buffer if allocated, and set the pointer to the second arg */
364 #define S_REPLACE(s, new_val)           \
365         do {                            \
366                 if (s)                  \
367                         free(s);        \
368                 s = (new_val);          \
369         } while (0)
370
371 static int onedigit_goto(struct ast_channel *chan, const char *context, char exten, int pri) 
372 {
373         char rexten[2] = { exten, '\0' };
374
375         if (context) {
376                 if (!ast_goto_if_exists(chan, context, rexten, pri))
377                         return 1;
378         } else {
379                 if (!ast_goto_if_exists(chan, chan->context, rexten, pri))
380                         return 1;
381                 else if (!ast_strlen_zero(chan->macrocontext)) {
382                         if (!ast_goto_if_exists(chan, chan->macrocontext, rexten, pri))
383                                 return 1;
384                 }
385         }
386         return 0;
387 }
388
389
390 static const char *get_cid_name(char *name, int namelen, struct ast_channel *chan)
391 {
392         const char *context = S_OR(chan->macrocontext, chan->context);
393         const char *exten = S_OR(chan->macroexten, chan->exten);
394
395         return ast_get_hint(NULL, 0, name, namelen, chan, context, exten) ? name : "";
396 }
397
398 static void senddialevent(struct ast_channel *src, struct ast_channel *dst)
399 {
400         manager_event(EVENT_FLAG_CALL, "Dial", 
401                            "SubEvent: Begin\r\n"
402                            "Source: %s\r\n"
403                            "Destination: %s\r\n"
404                            "CallerIDNum: %s\r\n"
405                            "CallerIDName: %s\r\n"
406                            "SrcUniqueID: %s\r\n"
407                            "DestUniqueID: %s\r\n",
408                            src->name, dst->name, S_OR(src->cid.cid_num, "<unknown>"),
409                            S_OR(src->cid.cid_name, "<unknown>"), src->uniqueid,
410                            dst->uniqueid);
411 }
412
413 static void senddialendevent(const struct ast_channel *src, const char *dialstatus)
414 {
415         manager_event(EVENT_FLAG_CALL, "Dial",
416                                         "SubEvent: End\r\n"
417                                         "Channel: %s\r\n"
418                                         "DialStatus: %s\r\n",
419                                         src->name, dialstatus);
420 }       
421
422 /* helper function for wait_for_answer() */
423 static void do_forward(struct dial_localuser *o,
424         struct cause_args *num, struct ast_flags *peerflags, int single)
425 {
426         char tmpchan[256];
427         struct ast_channel *c = o->chan; /* the winner */
428         struct ast_channel *in = num->chan; /* the input channel */
429         char *stuff;
430         char *tech;
431         int cause;
432
433         ast_copy_string(tmpchan, c->call_forward, sizeof(tmpchan));
434         if ((stuff = strchr(tmpchan, '/'))) {
435                 *stuff++ = '\0';
436                 tech = tmpchan;
437         } else {
438                 const char *forward_context = pbx_builtin_getvar_helper(c, "FORWARD_CONTEXT");
439                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", c->call_forward, forward_context ? forward_context : c->context);
440                 stuff = tmpchan;
441                 tech = "Local";
442         }
443         /* Before processing channel, go ahead and check for forwarding */
444         o->forwards++;
445         if (o->forwards < AST_MAX_FORWARDS) {
446                 if (option_verbose > 2)
447                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", in->name, tech, stuff, c->name);
448                 /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
449                 if (ast_test_flag(peerflags, OPT_IGNORE_FORWARDING)) {
450                         if (option_verbose > 2)
451                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n", in->name, tech, stuff);
452                         c = o->chan = NULL;
453                         cause = AST_CAUSE_BUSY;
454                 } else {
455                         /* Setup parameters */
456                         c = o->chan = ast_request(tech, in->nativeformats, stuff, &cause);
457                         if (!c)
458                                 ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
459                         else
460                                 ast_channel_inherit_variables(in, o->chan);
461                 }
462         } else {
463                 if (option_verbose > 2)
464                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", c->name);
465                 cause = AST_CAUSE_CONGESTION;
466                 c = o->chan = NULL;
467         }
468         if (!c) {
469                 ast_clear_flag(o, DIAL_STILLGOING);     
470                 handle_cause(cause, num);
471         } else {
472                 char *new_cid_num, *new_cid_name;
473                 struct ast_channel *src;
474
475                 ast_rtp_make_compatible(c, in, single);
476                 if (ast_test_flag(o, OPT_FORCECLID)) {
477                         new_cid_num = ast_strdup(S_OR(in->macroexten, in->exten));
478                         new_cid_name = NULL; /* XXX no name ? */
479                         src = c;        /* XXX possible bug in previous code, which used 'winner' ? it may have changed */
480                 } else {
481                         new_cid_num = ast_strdup(in->cid.cid_num);
482                         new_cid_name = ast_strdup(in->cid.cid_name);
483                         src = in;
484                 }
485                 ast_string_field_set(c, accountcode, src->accountcode);
486                 c->cdrflags = src->cdrflags;
487                 S_REPLACE(c->cid.cid_num, new_cid_num);
488                 S_REPLACE(c->cid.cid_name, new_cid_name);
489
490                 if (in->cid.cid_ani) { /* XXX or maybe unconditional ? */
491                         S_REPLACE(c->cid.cid_ani, ast_strdup(in->cid.cid_ani));
492                 }
493                 S_REPLACE(c->cid.cid_rdnis, ast_strdup(S_OR(in->macroexten, in->exten)));
494                 if (ast_call(c, tmpchan, 0)) {
495                         ast_log(LOG_NOTICE, "Failed to dial on local channel for call forward to '%s'\n", tmpchan);
496                         ast_clear_flag(o, DIAL_STILLGOING);     
497                         ast_hangup(c);
498                         c = o->chan = NULL;
499                         num->nochan++;
500                 } else {
501                         senddialevent(in, c);
502                         /* After calling, set callerid to extension */
503                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID)) {
504                                 char cidname[AST_MAX_EXTENSION];
505                                 ast_set_callerid(c, S_OR(in->macroexten, in->exten), get_cid_name(cidname, sizeof(cidname), in), NULL);
506                         }
507                 }
508         }
509         /* Hangup the original channel now, in case we needed it */
510         ast_hangup(c);
511 }
512
513 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,
514         const struct cause_args *num_in, int priority_jump, int *result)
515 {
516         struct cause_args num = *num_in;
517         int prestart = num.busy + num.congestion + num.nochan;
518         int orig = *to;
519         struct ast_channel *peer = NULL;
520         /* single is set if only one destination is enabled */
521         int single = outgoing && !outgoing->next && !ast_test_flag(outgoing, OPT_MUSICBACK | OPT_RINGBACK);
522         
523         if (single) {
524                 /* Turn off hold music, etc */
525                 ast_deactivate_generator(in);
526                 /* If we are calling a single channel, make them compatible for in-band tone purpose */
527                 ast_channel_make_compatible(outgoing->chan, in);
528         }
529         
530         
531         while (*to && !peer) {
532                 struct dial_localuser *o;
533                 int pos = 0;    /* how many channels do we handle */
534                 int numlines = prestart;
535                 struct ast_channel *winner;
536                 struct ast_channel *watchers[AST_MAX_WATCHERS];
537
538                 watchers[pos++] = in;
539                 for (o = outgoing; o; o = o->next) {
540                         /* Keep track of important channels */
541                         if (ast_test_flag(o, DIAL_STILLGOING) && o->chan)
542                                 watchers[pos++] = o->chan;
543                         numlines++;
544                 }
545                 if (pos == 1) { /* only the input channel is available */
546                         if (numlines == (num.busy + num.congestion + num.nochan)) {
547                                 if (option_verbose > 2)
548                                         ast_verbose( VERBOSE_PREFIX_2 "Everyone is busy/congested at this time (%d:%d/%d/%d)\n", numlines, num.busy, num.congestion, num.nochan);
549                                 if (num.busy)
550                                         strcpy(status, "BUSY"); 
551                                 else if (num.congestion)
552                                         strcpy(status, "CONGESTION");
553                                 else if (num.nochan)
554                                         strcpy(status, "CHANUNAVAIL");
555                                 if (ast_opt_priority_jumping || priority_jump)
556                                         ast_goto_if_exists(in, in->context, in->exten, in->priority + 101);
557                         } else {
558                                 if (option_verbose > 2)
559                                         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);
560                         }
561                         *to = 0;
562                         return NULL;
563                 }
564                 winner = ast_waitfor_n(watchers, pos, to);
565                 for (o = outgoing; o; o = o->next) {
566                         struct ast_frame *f;
567                         struct ast_channel *c = o->chan;
568
569                         if (c == NULL)
570                                 continue;
571                         if (ast_test_flag(o, DIAL_STILLGOING) && c->_state == AST_STATE_UP) {
572                                 if (!peer) {
573                                         if (option_verbose > 2)
574                                                 ast_verbose(VERBOSE_PREFIX_3 "%s answered %s\n", c->name, in->name);
575                                         peer = c;
576                                         ast_copy_flags(peerflags, o,
577                                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
578                                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
579                                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
580                                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
581                                                        DIAL_NOFORWARDHTML);
582                                         ast_copy_string(c->context, "", sizeof(c->context));
583                                         ast_copy_string(c->exten, "", sizeof(c->exten));
584                                 }
585                                 continue;
586                         }
587                         if (c != winner)
588                                 continue;
589                         /* here, o->chan == c == winner */
590                         if (!ast_strlen_zero(c->call_forward)) {
591                                 do_forward(o, &num, peerflags, single);
592                                 continue;
593                         }
594                         f = ast_read(winner);
595                         if (!f) {
596                                 in->hangupcause = c->hangupcause;
597                                 ast_hangup(c);
598                                 c = o->chan = NULL;
599                                 ast_clear_flag(o, DIAL_STILLGOING);
600                                 handle_cause(in->hangupcause, &num);
601                                 continue;
602                         }
603                         if (f->frametype == AST_FRAME_CONTROL) {
604                                 switch(f->subclass) {
605                                 case AST_CONTROL_ANSWER:
606                                         /* This is our guy if someone answered. */
607                                         if (!peer) {
608                                                 if (option_verbose > 2)
609                                                         ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", c->name, in->name);
610                                                 peer = c;
611                                                 ast_copy_flags(peerflags, o,
612                                                                OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
613                                                                OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
614                                                                OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
615                                                                OPT_CALLEE_PARK | OPT_CALLER_PARK |
616                                                                DIAL_NOFORWARDHTML);
617                                                 ast_copy_string(c->context, "", sizeof(c->context));
618                                                 ast_copy_string(c->exten, "", sizeof(c->exten));
619                                                 /* Setup early bridge if appropriate */
620                                                 ast_channel_early_bridge(in, peer);
621                                         }
622                                         /* If call has been answered, then the eventual hangup is likely to be normal hangup */
623                                         in->hangupcause = AST_CAUSE_NORMAL_CLEARING;
624                                         c->hangupcause = AST_CAUSE_NORMAL_CLEARING;
625                                         break;
626                                 case AST_CONTROL_BUSY:
627                                         if (option_verbose > 2)
628                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is busy\n", c->name);
629                                         in->hangupcause = c->hangupcause;
630                                         ast_hangup(c);
631                                         c = o->chan = NULL;
632                                         ast_clear_flag(o, DIAL_STILLGOING);     
633                                         handle_cause(AST_CAUSE_BUSY, &num);
634                                         break;
635                                 case AST_CONTROL_CONGESTION:
636                                         if (option_verbose > 2)
637                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is circuit-busy\n", c->name);
638                                         in->hangupcause = c->hangupcause;
639                                         ast_hangup(c);
640                                         c = o->chan = NULL;
641                                         ast_clear_flag(o, DIAL_STILLGOING);
642                                         handle_cause(AST_CAUSE_CONGESTION, &num);
643                                         break;
644                                 case AST_CONTROL_RINGING:
645                                         if (option_verbose > 2)
646                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is ringing\n", c->name);
647                                         /* Setup early media if appropriate */
648                                         if (single)
649                                                 ast_channel_early_bridge(in, c);
650                                         if (!(*sentringing) && !ast_test_flag(outgoing, OPT_MUSICBACK)) {
651                                                 ast_indicate(in, AST_CONTROL_RINGING);
652                                                 (*sentringing)++;
653                                         }
654                                         break;
655                                 case AST_CONTROL_PROGRESS:
656                                         if (option_verbose > 2)
657                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is making progress passing it to %s\n", c->name, in->name);
658                                         /* Setup early media if appropriate */
659                                         if (single)
660                                                 ast_channel_early_bridge(in, c);
661                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
662                                                 ast_indicate(in, AST_CONTROL_PROGRESS);
663                                         break;
664                                 case AST_CONTROL_VIDUPDATE:
665                                         if (option_verbose > 2)
666                                                 ast_verbose (VERBOSE_PREFIX_3 "%s requested a video update, passing it to %s\n", c->name, in->name);
667                                         ast_indicate(in, AST_CONTROL_VIDUPDATE);
668                                         break;
669                                 case AST_CONTROL_PROCEEDING:
670                                         if (option_verbose > 2)
671                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is proceeding passing it to %s\n", c->name, in->name);
672                                         if (single)
673                                                 ast_channel_early_bridge(in, c);
674                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
675                                                 ast_indicate(in, AST_CONTROL_PROCEEDING);
676                                         break;
677                                 case AST_CONTROL_HOLD:
678                                         if (option_verbose > 2)
679                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s placed on hold\n", c->name);
680                                         ast_indicate(in, AST_CONTROL_HOLD);
681                                         break;
682                                 case AST_CONTROL_UNHOLD:
683                                         if (option_verbose > 2)
684                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s left from hold\n", c->name);
685                                         ast_indicate(in, AST_CONTROL_UNHOLD);
686                                         break;
687                                 case AST_CONTROL_OFFHOOK:
688                                 case AST_CONTROL_FLASH:
689                                         /* Ignore going off hook and flash */
690                                         break;
691                                 case -1:
692                                         if (!ast_test_flag(outgoing, OPT_RINGBACK | OPT_MUSICBACK)) {
693                                                 if (option_verbose > 2)
694                                                         ast_verbose(VERBOSE_PREFIX_3 "%s stopped sounds\n", c->name);
695                                                 ast_indicate(in, -1);
696                                                 (*sentringing) = 0;
697                                         }
698                                         break;
699                                 default:
700                                         if (option_debug)
701                                                 ast_log(LOG_DEBUG, "Dunno what to do with control type %d\n", f->subclass);
702                                 }
703                         } else if (single) {
704                                 /* XXX are we sure the logic is correct ? or we should just switch on f->frametype ? */
705                                 if (f->frametype == AST_FRAME_VOICE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
706                                         if (ast_write(in, f)) 
707                                                 ast_log(LOG_WARNING, "Unable to forward voice frame\n");
708                                 } else if (f->frametype == AST_FRAME_IMAGE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
709                                         if (ast_write(in, f))
710                                                 ast_log(LOG_WARNING, "Unable to forward image\n");
711                                 } else if (f->frametype == AST_FRAME_TEXT && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
712                                         if (ast_write(in, f))
713                                                 ast_log(LOG_WARNING, "Unable to send text\n");
714                                 } else if (f->frametype == AST_FRAME_HTML && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML)) {
715                                         if (ast_channel_sendhtml(in, f->subclass, f->data, f->datalen) == -1)
716                                                 ast_log(LOG_WARNING, "Unable to send URL\n");
717                                 }
718                         }
719                         ast_frfree(f);
720                 } /* end for */
721                 if (winner == in) {
722                         struct ast_frame *f = ast_read(in);
723 #if 0
724                         if (f && (f->frametype != AST_FRAME_VOICE))
725                                 printf("Frame type: %d, %d\n", f->frametype, f->subclass);
726                         else if (!f || (f->frametype != AST_FRAME_VOICE))
727                                 printf("Hangup received on %s\n", in->name);
728 #endif
729                         if (!f || ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP))) {
730                                 /* Got hung up */
731                                 *to = -1;
732                                 strcpy(status, "CANCEL");
733                                 if (f)
734                                         ast_frfree(f);
735                                 return NULL;
736                         }
737
738                         /* now f is guaranteed non-NULL */
739                         if (f->frametype == AST_FRAME_DTMF) {
740                                 if (ast_test_flag(peerflags, OPT_DTMF_EXIT)) {
741                                         const char *context = pbx_builtin_getvar_helper(in, "EXITCONTEXT");
742                                         if (onedigit_goto(in, context, (char) f->subclass, 1)) {
743                                                 if (option_verbose > 2)
744                                                         ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
745                                                 *to=0;
746                                                 *result = f->subclass;
747                                                 strcpy(status, "CANCEL");
748                                                 ast_frfree(f);
749                                                 return NULL;
750                                         }
751                                 }
752
753                                 if (ast_test_flag(peerflags, OPT_CALLER_HANGUP) && 
754                                                   (f->subclass == '*')) { /* hmm it it not guaranteed to be '*' anymore. */
755                                         if (option_verbose > 2)
756                                                 ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
757                                         *to=0;
758                                         strcpy(status, "CANCEL");
759                                         ast_frfree(f);
760                                         return NULL;
761                                 }
762                         }
763
764                         /* Forward HTML stuff */
765                         if (single && (f->frametype == AST_FRAME_HTML) && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML)) 
766                                 if(ast_channel_sendhtml(outgoing->chan, f->subclass, f->data, f->datalen) == -1)
767                                         ast_log(LOG_WARNING, "Unable to send URL\n");
768                         
769
770                         if (single && ((f->frametype == AST_FRAME_VOICE) || (f->frametype == AST_FRAME_DTMF)))  {
771                                 if (ast_write(outgoing->chan, f))
772                                         ast_log(LOG_WARNING, "Unable to forward voice\n");
773                         }
774                         if (single && (f->frametype == AST_FRAME_CONTROL) && 
775                                 ((f->subclass == AST_CONTROL_HOLD) || 
776                                  (f->subclass == AST_CONTROL_UNHOLD) || 
777                                  (f->subclass == AST_CONTROL_VIDUPDATE))) {
778                                 if (option_verbose > 2)
779                                         ast_verbose(VERBOSE_PREFIX_3 "%s requested special control %d, passing it to %s\n", in->name, f->subclass, outgoing->chan->name);
780                                 ast_indicate_data(outgoing->chan, f->subclass, f->data, f->datalen);
781                         }
782                         ast_frfree(f);
783                 }
784                 if (!*to && (option_verbose > 2))
785                         ast_verbose(VERBOSE_PREFIX_3 "Nobody picked up in %d ms\n", orig);
786         }
787
788         return peer;
789 }
790
791 static void replace_macro_delimiter(char *s)
792 {
793         for (; *s; s++)
794                 if (*s == '^')
795                         *s = '|';
796 }
797
798
799 /* returns true if there is a valid privacy reply */
800 static int valid_priv_reply(struct ast_flags *opts, int res)
801 {
802         if (res < '1')
803                 return 0;
804         if (ast_test_flag(opts, OPT_PRIVACY) && res <= '5')
805                 return 1;
806         if (ast_test_flag(opts, OPT_SCREENING) && res <= '4')
807                 return 1;
808         return 0;
809 }
810
811 static int do_timelimit(struct ast_channel *chan, struct ast_bridge_config *config,
812         char *parse, unsigned int *calldurationlimit)
813 {
814         char *limit_str, *warning_str, *warnfreq_str;
815         const char *var;
816         int play_to_caller=0,play_to_callee=0;
817         int delta;
818
819         limit_str = strsep(&warnfreq_str, ":");
820         warning_str = strsep(&warnfreq_str, ":");
821         warnfreq_str = parse;
822
823         config->timelimit = atol(limit_str);
824         if (warning_str)
825                 config->play_warning = atol(warning_str);
826         if (warnfreq_str)
827                 config->warning_freq = atol(warnfreq_str);
828
829         if (!config->timelimit) {
830                 ast_log(LOG_WARNING, "Dial does not accept L(%s), hanging up.\n", limit_str);
831                 config->timelimit = config->play_warning = config->warning_freq = 0;
832                 config->warning_sound = NULL;
833                 return -1;      /* error */
834         } else if ( (delta = config->play_warning - config->timelimit) > 0) {
835                 int w = config->warning_freq;
836
837                 /* If the first warning is requested _after_ the entire call would end,
838                    and no warning frequency is requested, then turn off the warning. If
839                    a warning frequency is requested, reduce the 'first warning' time by
840                    that frequency until it falls within the call's total time limit.
841                    Graphically:
842                                   timelim->|    delta        |<-playwarning
843                         0__________________|_________________|
844                                          | w  |    |    |    |
845
846                    so the number of intervals to cut is 1+(delta-1)/w
847                 */
848
849                 if (w == 0) {
850                         config->play_warning = 0;
851                 } else {
852                         config->play_warning -= w * ( 1 + (delta-1)/w );
853                         if (config->play_warning < 1)
854                                 config->play_warning = config->warning_freq = 0;
855                 }
856         }
857
858         var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLER");
859         play_to_caller = var ? ast_true(var) : 1;
860         
861         var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLEE");
862         play_to_callee = var ? ast_true(var) : 0;
863         
864         if (!play_to_caller && !play_to_callee)
865                 play_to_caller = 1;
866         
867         var = pbx_builtin_getvar_helper(chan,"LIMIT_WARNING_FILE");
868         config->warning_sound = S_OR(var, "timeleft");
869
870         /* The code looking at config wants a NULL, not just "", to decide
871          * that the message should not be played, so we replace "" with NULL.
872          * Note, pbx_builtin_getvar_helper _can_ return NULL if the variable is
873          * not found.
874          */
875         var = pbx_builtin_getvar_helper(chan,"LIMIT_TIMEOUT_FILE");
876         config->end_sound = S_OR(var, NULL);
877         var = pbx_builtin_getvar_helper(chan,"LIMIT_CONNECT_FILE");
878         config->start_sound = S_OR(var, NULL);
879
880         /* undo effect of S(x) in case they are both used */
881         *calldurationlimit = 0;
882         /* more efficient to do it like S(x) does since no advanced opts */
883         if (!config->play_warning && !config->start_sound && !config->end_sound && config->timelimit) {
884                 *calldurationlimit = config->timelimit / 1000;
885                 if (option_verbose > 2)
886                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n",
887                                 *calldurationlimit);
888                 config->timelimit = play_to_caller = play_to_callee =
889                 config->play_warning = config->warning_freq = 0;
890         } else if (option_verbose > 2) {
891                 ast_verbose(VERBOSE_PREFIX_3 "Limit Data for this call:\n");
892                 ast_verbose(VERBOSE_PREFIX_4 "timelimit      = %ld\n", config->timelimit);
893                 ast_verbose(VERBOSE_PREFIX_4 "play_warning   = %ld\n", config->play_warning);
894                 ast_verbose(VERBOSE_PREFIX_4 "play_to_caller = %s\n", play_to_caller ? "yes" : "no");
895                 ast_verbose(VERBOSE_PREFIX_4 "play_to_callee = %s\n", play_to_callee ? "yes" : "no");
896                 ast_verbose(VERBOSE_PREFIX_4 "warning_freq   = %ld\n", config->warning_freq);
897                 ast_verbose(VERBOSE_PREFIX_4 "start_sound    = %s\n", S_OR(config->start_sound, ""));
898                 ast_verbose(VERBOSE_PREFIX_4 "warning_sound  = %s\n", config->warning_sound);
899                 ast_verbose(VERBOSE_PREFIX_4 "end_sound      = %s\n", S_OR(config->end_sound, ""));
900         }
901         if (play_to_caller)
902                 ast_set_flag(&(config->features_caller), AST_FEATURE_PLAY_WARNING);
903         if (play_to_callee)
904                 ast_set_flag(&(config->features_callee), AST_FEATURE_PLAY_WARNING);
905         return 0;
906 }
907
908 static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags *peerflags)
909 {
910         int res = -1;   /* default: error */
911         struct ast_module_user *u;
912         char *rest, *cur;       /* scan the list of destinations */
913         struct dial_localuser *outgoing = NULL; /* list of destinations */
914         struct ast_channel *peer;
915         int to; /* timeout */
916         struct cause_args num = { chan, 0, 0, 0 };
917         int cause;
918         char numsubst[AST_MAX_EXTENSION];
919         char cidname[AST_MAX_EXTENSION];
920         int privdb_val = 0;
921
922         struct ast_bridge_config config;
923         unsigned int calldurationlimit = 0;
924         char *dtmfcalled = NULL, *dtmfcalling = NULL;
925         char status[256];
926         int sentringing = 0, moh = 0;
927         const char *outbound_group = NULL;
928         int result = 0;
929         time_t start_time;
930         char privintro[1024];
931         char privcid[256];
932         char *parse;
933         int opermode = 0;
934         AST_DECLARE_APP_ARGS(args,
935                              AST_APP_ARG(peers);
936                              AST_APP_ARG(timeout);
937                              AST_APP_ARG(options);
938                              AST_APP_ARG(url);
939         );
940         struct ast_flags opts = { 0, };
941         char *opt_args[OPT_ARG_ARRAY_SIZE];
942
943         if (ast_strlen_zero(data)) {
944                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
945                 return -1;
946         }
947
948         u = ast_module_user_add(chan);  /* XXX is this the right place ? */
949
950         parse = ast_strdupa(data);
951
952         AST_STANDARD_APP_ARGS(args, parse);
953
954         memset(&config,0,sizeof(struct ast_bridge_config));
955
956         if (!ast_strlen_zero(args.options) &&
957                         ast_app_parse_options(dial_exec_options, &opts, opt_args, args.options))
958                 goto done;
959
960         if (ast_strlen_zero(args.peers)) {
961                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
962                 goto done;
963         }
964
965         if (ast_test_flag(&opts, OPT_OPERMODE)) {
966                 if (ast_strlen_zero(opt_args[OPT_ARG_OPERMODE]))
967                         opermode = 1;
968                 else opermode = atoi(opt_args[OPT_ARG_OPERMODE]);
969                 if (option_verbose > 2)
970                         ast_verbose(VERBOSE_PREFIX_3 "Setting operator services mode to %d.\n", opermode);
971         }
972         
973         if (ast_test_flag(&opts, OPT_DURATION_STOP) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_STOP])) {
974                 calldurationlimit = atoi(opt_args[OPT_ARG_DURATION_STOP]);
975                 if (!calldurationlimit) {
976                         ast_log(LOG_WARNING, "Dial does not accept S(%s), hanging up.\n", opt_args[OPT_ARG_DURATION_STOP]);
977                         goto done;
978                 }
979                 if (option_verbose > 2)
980                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n", calldurationlimit);
981         }
982
983         if (ast_test_flag(&opts, OPT_SENDDTMF) && !ast_strlen_zero(opt_args[OPT_ARG_SENDDTMF])) {
984                 dtmfcalling = opt_args[OPT_ARG_SENDDTMF];
985                 dtmfcalled = strsep(&dtmfcalling, ":");
986         }
987
988         if (ast_test_flag(&opts, OPT_DURATION_LIMIT) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_LIMIT])) {
989                 if (do_timelimit(chan, &config, opt_args[OPT_ARG_DURATION_LIMIT], &calldurationlimit))
990                         goto done;
991         }
992
993         if (ast_test_flag(&opts, OPT_RESETCDR) && chan->cdr)
994                 ast_cdr_reset(chan->cdr, NULL);
995         if (ast_test_flag(&opts, OPT_PRIVACY) && ast_strlen_zero(opt_args[OPT_ARG_PRIVACY]))
996                 opt_args[OPT_ARG_PRIVACY] = ast_strdupa(chan->exten);
997         if (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) {
998                 char callerid[60];
999                 char *l = chan->cid.cid_num;    /* XXX watch out, we are overwriting it */
1000                 if (!ast_strlen_zero(l)) {
1001                         ast_shrink_phone_number(l);
1002                         if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1003                                 if (option_verbose > 2)
1004                                         ast_verbose(VERBOSE_PREFIX_3  "Privacy DB is '%s', clid is '%s'\n",
1005                                                      opt_args[OPT_ARG_PRIVACY], l);
1006                                 privdb_val = ast_privacy_check(opt_args[OPT_ARG_PRIVACY], l);
1007                         }
1008                         else {
1009                                 if (option_verbose > 2)
1010                                         ast_verbose(VERBOSE_PREFIX_3  "Privacy Screening, clid is '%s'\n", l);
1011                                 privdb_val = AST_PRIVACY_UNKNOWN;
1012                         }
1013                 } else {
1014                         char *tnam, *tn2;
1015
1016                         tnam = ast_strdupa(chan->name);
1017                         /* clean the channel name so slashes don't try to end up in disk file name */
1018                         for(tn2 = tnam; *tn2; tn2++) {
1019                                 if( *tn2=='/')
1020                                         *tn2 = '=';  /* any other chars to be afraid of? */
1021                         }
1022                         if (option_verbose > 2)
1023                                 ast_verbose(VERBOSE_PREFIX_3  "Privacy-- callerid is empty\n");
1024
1025                         snprintf(callerid, sizeof(callerid), "NOCALLERID_%s%s", chan->exten, tnam);
1026                         l = callerid;
1027                         privdb_val = AST_PRIVACY_UNKNOWN;
1028                 }
1029                 
1030                 ast_copy_string(privcid,l,sizeof(privcid));
1031
1032                 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 */  
1033                         if (option_verbose > 2)
1034                                 ast_verbose( VERBOSE_PREFIX_3  "CallerID set (%s); N option set; Screening should be off\n", privcid);
1035                         privdb_val = AST_PRIVACY_ALLOW;
1036                 }
1037                 else if(ast_test_flag(&opts, OPT_SCREEN_NOCLID) && strncmp(privcid,"NOCALLERID",10) == 0 ) {
1038                         if (option_verbose > 2)
1039                                 ast_verbose( VERBOSE_PREFIX_3  "CallerID blank; N option set; Screening should happen; dbval is %d\n", privdb_val);
1040                 }
1041                 
1042                 if(privdb_val == AST_PRIVACY_DENY ) {
1043                         ast_copy_string(status, "NOANSWER", sizeof(status));
1044                         if (option_verbose > 2)
1045                                 ast_verbose( VERBOSE_PREFIX_3  "Privacy DB reports PRIVACY_DENY for this callerid. Dial reports unavailable\n");
1046                         res=0;
1047                         goto out;
1048                 }
1049                 else if(privdb_val == AST_PRIVACY_KILL ) {
1050                         ast_copy_string(status, "DONTCALL", sizeof(status));
1051                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1052                                 ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 201);
1053                         }
1054                         res = 0;
1055                         goto out; /* Is this right? */
1056                 }
1057                 else if(privdb_val == AST_PRIVACY_TORTURE ) {
1058                         ast_copy_string(status, "TORTURE", sizeof(status));
1059                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1060                                 ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 301);
1061                         }
1062                         res = 0;
1063                         goto out; /* is this right??? */
1064                 }
1065                 else if(privdb_val == AST_PRIVACY_UNKNOWN ) {
1066                         /* Get the user's intro, store it in priv-callerintros/$CID, 
1067                            unless it is already there-- this should be done before the 
1068                            call is actually dialed  */
1069
1070                         /* make sure the priv-callerintros dir actually exists */
1071                         snprintf(privintro, sizeof(privintro), "%s/sounds/priv-callerintros", ast_config_AST_DATA_DIR);
1072                         if (mkdir(privintro, 0755) && errno != EEXIST) {
1073                                 ast_log(LOG_WARNING, "privacy: can't create directory priv-callerintros: %s\n", strerror(errno));
1074                                 res = -1;
1075                                 goto out;
1076                         }
1077
1078                         snprintf(privintro,sizeof(privintro), "priv-callerintros/%s", privcid);
1079                         if( ast_fileexists(privintro,NULL,NULL ) > 0 && strncmp(privcid,"NOCALLERID",10) != 0) {
1080                                 /* the DELUX version of this code would allow this caller the
1081                                    option to hear and retape their previously recorded intro.
1082                                 */
1083                         }
1084                         else {
1085                                 int duration; /* for feedback from play_and_wait */
1086                                 /* the file doesn't exist yet. Let the caller submit his
1087                                    vocal intro for posterity */
1088                                 /* priv-recordintro script:
1089
1090                                    "At the tone, please say your name:"
1091
1092                                 */
1093                                 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 */
1094                                                                                 /* don't think we'll need a lock removed, we took care of
1095                                                                                    conflicts by naming the privintro file */
1096                                 if (res == -1) {
1097                                         /* Delete the file regardless since they hung up during recording */
1098                                         ast_filedelete(privintro, NULL);
1099                                         if( ast_fileexists(privintro,NULL,NULL ) > 0 )
1100                                                 ast_log(LOG_NOTICE,"privacy: ast_filedelete didn't do its job on %s\n", privintro);
1101                                         else if (option_verbose > 2)
1102                                                 ast_verbose( VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", privintro);
1103                                         goto out;
1104                                 }
1105                                 if( !ast_streamfile(chan, "vm-dialout", chan->language) )
1106                                         ast_waitstream(chan, "");
1107                         }
1108                 }
1109         }
1110
1111         /* If a channel group has been specified, get it for use when we create peer channels */
1112         outbound_group = pbx_builtin_getvar_helper(chan, "OUTBOUND_GROUP");
1113
1114         ast_copy_flags(peerflags, &opts, OPT_DTMF_EXIT | OPT_GO_ON | OPT_ORIGINAL_CLID | OPT_CALLER_HANGUP | OPT_IGNORE_FORWARDING);
1115         /* loop through the list of dial destinations */
1116         rest = args.peers;
1117         while ((cur = strsep(&rest, "&")) ) {
1118                 struct dial_localuser *tmp;
1119                 /* Get a technology/[device:]number pair */
1120                 char *number = cur;
1121                 char *tech = strsep(&number, "/");
1122                 if (!number) {
1123                         ast_log(LOG_WARNING, "Dial argument takes format (technology/[device:]number1)\n");
1124                         goto out;
1125                 }
1126                 if (!(tmp = ast_calloc(1, sizeof(*tmp))))
1127                         goto out;
1128                 if (opts.flags) {
1129                         ast_copy_flags(tmp, &opts,
1130                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
1131                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
1132                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
1133                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
1134                                        OPT_RINGBACK | OPT_MUSICBACK | OPT_FORCECLID);
1135                         ast_set2_flag(tmp, args.url, DIAL_NOFORWARDHTML);       
1136                 }
1137                 ast_copy_string(numsubst, number, sizeof(numsubst));
1138                 /* Request the peer */
1139                 tmp->chan = ast_request(tech, chan->nativeformats, numsubst, &cause);
1140                 if (!tmp->chan) {
1141                         /* If we can't, just go on to the next call */
1142                         ast_log(LOG_WARNING, "Unable to create channel of type '%s' (cause %d - %s)\n", tech, cause, ast_cause2str(cause));
1143                         handle_cause(cause, &num);
1144                         if (!rest)      /* we are on the last destination */
1145                                 chan->hangupcause = cause;
1146                         continue;
1147                 }
1148                 pbx_builtin_setvar_helper(tmp->chan, "DIALEDPEERNUMBER", numsubst);
1149                 if (!ast_strlen_zero(tmp->chan->call_forward)) {
1150                         char tmpchan[256];
1151                         char *stuff;
1152                         char *tech;
1153                         ast_copy_string(tmpchan, tmp->chan->call_forward, sizeof(tmpchan));
1154                         if ((stuff = strchr(tmpchan, '/'))) {
1155                                 *stuff++ = '\0';
1156                                 tech = tmpchan;
1157                         } else {
1158                                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", tmp->chan->call_forward, tmp->chan->context);
1159                                 stuff = tmpchan;
1160                                 tech = "Local";
1161                         }
1162                         tmp->forwards++;
1163                         if (tmp->forwards < AST_MAX_FORWARDS) {
1164                                 if (option_verbose > 2)
1165                                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", chan->name, tech, stuff, tmp->chan->name);
1166                                 ast_hangup(tmp->chan);
1167                                 /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
1168                                 if (ast_test_flag(&opts, OPT_IGNORE_FORWARDING)) {
1169                                         tmp->chan = NULL;
1170                                         cause = AST_CAUSE_BUSY;
1171                                         if (option_verbose > 2)
1172                                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n", chan->name, tech, stuff);
1173                                 } else {
1174                                         tmp->chan = ast_request(tech, chan->nativeformats, stuff, &cause);
1175                                 }
1176                                 if (!tmp->chan)
1177                                         ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
1178                                 else
1179                                         ast_channel_inherit_variables(chan, tmp->chan);
1180                         } else {
1181                                 if (option_verbose > 2)
1182                                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", tmp->chan->name);
1183                                 ast_hangup(tmp->chan);
1184                                 tmp->chan = NULL;
1185                                 cause = AST_CAUSE_CONGESTION;
1186                         }
1187                         if (!tmp->chan) {
1188                                 handle_cause(cause, &num);
1189                                 continue;
1190                         }
1191                 }
1192
1193                 /* Setup outgoing SDP to match incoming one */
1194                 ast_rtp_make_compatible(tmp->chan, chan, !outgoing && !rest);
1195                 
1196                 /* Inherit specially named variables from parent channel */
1197                 ast_channel_inherit_variables(chan, tmp->chan);
1198
1199                 tmp->chan->appl = "AppDial";
1200                 tmp->chan->data = "(Outgoing Line)";
1201                 tmp->chan->whentohangup = 0;
1202
1203                 S_REPLACE(tmp->chan->cid.cid_num, ast_strdup(chan->cid.cid_num));
1204                 S_REPLACE(tmp->chan->cid.cid_name, ast_strdup(chan->cid.cid_name));
1205                 S_REPLACE(tmp->chan->cid.cid_ani, ast_strdup(chan->cid.cid_ani));
1206                 S_REPLACE(tmp->chan->cid.cid_rdnis, ast_strdup(chan->cid.cid_rdnis));
1207                 
1208                 /* Copy language from incoming to outgoing */
1209                 ast_string_field_set(tmp->chan, language, chan->language);
1210                 ast_string_field_set(tmp->chan, accountcode, chan->accountcode);
1211                 tmp->chan->cdrflags = chan->cdrflags;
1212                 if (ast_strlen_zero(tmp->chan->musicclass))
1213                         ast_string_field_set(tmp->chan, musicclass, chan->musicclass);
1214                 /* Pass callingpres setting */
1215                 tmp->chan->cid.cid_pres = chan->cid.cid_pres;
1216                 /* Pass type of number */
1217                 tmp->chan->cid.cid_ton = chan->cid.cid_ton;
1218                 /* Pass type of tns */
1219                 tmp->chan->cid.cid_tns = chan->cid.cid_tns;
1220                 /* Presense of ADSI CPE on outgoing channel follows ours */
1221                 tmp->chan->adsicpe = chan->adsicpe;
1222                 /* Pass the transfer capability */
1223                 tmp->chan->transfercapability = chan->transfercapability;
1224
1225                 /* If we have an outbound group, set this peer channel to it */
1226                 if (outbound_group)
1227                         ast_app_group_set_channel(tmp->chan, outbound_group);
1228
1229                 /* Inherit context and extension */
1230                 ast_copy_string(tmp->chan->context, chan->context, sizeof(tmp->chan->context));
1231                 ast_copy_string(tmp->chan->exten, chan->exten, sizeof(tmp->chan->exten));
1232
1233                 /* Place the call, but don't wait on the answer */
1234                 res = ast_call(tmp->chan, numsubst, 0);
1235
1236                 /* Save the info in cdr's that we called them */
1237                 if (chan->cdr)
1238                         ast_cdr_setdestchan(chan->cdr, tmp->chan->name);
1239
1240                 /* check the results of ast_call */
1241                 if (res) {
1242                         /* Again, keep going even if there's an error */
1243                         if (option_debug)
1244                                 ast_log(LOG_DEBUG, "ast call on peer returned %d\n", res);
1245                         if (option_verbose > 2)
1246                                 ast_verbose(VERBOSE_PREFIX_3 "Couldn't call %s\n", numsubst);
1247                         ast_hangup(tmp->chan);
1248                         tmp->chan = NULL;
1249                         continue;
1250                 } else {
1251                         senddialevent(chan, tmp->chan);
1252                         if (option_verbose > 2)
1253                                 ast_verbose(VERBOSE_PREFIX_3 "Called %s\n", numsubst);
1254                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID))
1255                                 ast_set_callerid(tmp->chan, S_OR(chan->macroexten, chan->exten), get_cid_name(cidname, sizeof(cidname), chan), NULL);
1256                 }
1257                 /* Put them in the list of outgoing thingies...  We're ready now. 
1258                    XXX If we're forcibly removed, these outgoing calls won't get
1259                    hung up XXX */
1260                 ast_set_flag(tmp, DIAL_STILLGOING);     
1261                 tmp->next = outgoing;
1262                 outgoing = tmp;
1263                 /* If this line is up, don't try anybody else */
1264                 if (outgoing->chan->_state == AST_STATE_UP)
1265                         break;
1266         }
1267         
1268         if (ast_strlen_zero(args.timeout)) {
1269                 to = -1;
1270         } else {
1271                 to = atoi(args.timeout);
1272                 if (to > 0)
1273                         to *= 1000;
1274                 else
1275                         ast_log(LOG_WARNING, "Invalid timeout specified: '%s'\n", args.timeout);
1276         }
1277
1278         if (!outgoing) {
1279                 strcpy(status, "CHANUNAVAIL");
1280         } else {
1281                 /* Our status will at least be NOANSWER */
1282                 strcpy(status, "NOANSWER");
1283                 if (ast_test_flag(outgoing, OPT_MUSICBACK)) {
1284                         moh = 1;
1285                         ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1286                 } else if (ast_test_flag(outgoing, OPT_RINGBACK)) {
1287                         ast_indicate(chan, AST_CONTROL_RINGING);
1288                         sentringing++;
1289                 }
1290         }
1291
1292         time(&start_time);
1293         peer = wait_for_answer(chan, outgoing, &to, peerflags, &sentringing, status, sizeof(status), &num, ast_test_flag(&opts, OPT_PRIORITY_JUMP), &result);
1294         
1295         if (!peer) {
1296                 if (result) {
1297                         res = result;
1298                 } else if (to) { /* Musta gotten hung up */
1299                         res = -1;
1300                 } else { /* Nobody answered, next please? */
1301                         res = 0;
1302                 }
1303                 /* almost done, although the 'else' block is 400 lines */
1304         } else {
1305                 const char *number;
1306                 time_t end_time, answer_time = time(NULL);
1307
1308                 strcpy(status, "ANSWER");
1309                 /* Ah ha!  Someone answered within the desired timeframe.  Of course after this
1310                    we will always return with -1 so that it is hung up properly after the 
1311                    conversation.  */
1312                 hanguptree(outgoing, peer);
1313                 outgoing = NULL;
1314                 /* If appropriate, log that we have a destination channel */
1315                 if (chan->cdr)
1316                         ast_cdr_setdestchan(chan->cdr, peer->name);
1317                 if (peer->name)
1318                         pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", peer->name);
1319
1320                 number = pbx_builtin_getvar_helper(peer, "DIALEDPEERNUMBER");
1321                 if (!number)
1322                         number = numsubst;
1323                 pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", number);
1324                 if (!ast_strlen_zero(args.url) && ast_channel_supports_html(peer) ) {
1325                         if (option_debug)
1326                                 ast_log(LOG_DEBUG, "app_dial: sendurl=%s.\n", args.url);
1327                         ast_channel_sendurl( peer, args.url );
1328                 }
1329                 if ( (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) && privdb_val == AST_PRIVACY_UNKNOWN) {
1330                         int res2;
1331                         int loopcount = 0;
1332
1333                         /* Get the user's intro, store it in priv-callerintros/$CID, 
1334                            unless it is already there-- this should be done before the 
1335                            call is actually dialed  */
1336
1337                         /* all ring indications and moh for the caller has been halted as soon as the 
1338                            target extension was picked up. We are going to have to kill some
1339                            time and make the caller believe the peer hasn't picked up yet */
1340
1341                         if (ast_test_flag(&opts, OPT_MUSICBACK) && !ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
1342                                 ast_indicate(chan, -1);
1343                                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1344                         } else if (ast_test_flag(&opts, OPT_RINGBACK)) {
1345                                 ast_indicate(chan, AST_CONTROL_RINGING);
1346                                 sentringing++;
1347                         }
1348
1349                         /* Start autoservice on the other chan ?? */
1350                         res2 = ast_autoservice_start(chan);
1351                         /* Now Stream the File */
1352                         for (loopcount = 0; loopcount < 3; loopcount++) {
1353                                 if (res2 && loopcount == 0)     /* error in ast_autoservice_start() */
1354                                         break;
1355                                 if (!res2)      /* on timeout, play the message again */
1356                                         res2 = ast_play_and_wait(peer,"priv-callpending");
1357                                 if (!valid_priv_reply(&opts, res2))
1358                                         res2 = 0;
1359                                 /* priv-callpending script: 
1360                                    "I have a caller waiting, who introduces themselves as:"
1361                                 */
1362                                 if (!res2)
1363                                         res2 = ast_play_and_wait(peer,privintro);
1364                                 if (!valid_priv_reply(&opts, res2))
1365                                         res2 = 0;
1366                                 /* now get input from the called party, as to their choice */
1367                                 if( !res2 ) {
1368                                         /* XXX can we have both, or they are mutually exclusive ? */
1369                                         if( ast_test_flag(&opts, OPT_PRIVACY) )
1370                                                 res2 = ast_play_and_wait(peer,"priv-callee-options");
1371                                         if( ast_test_flag(&opts, OPT_SCREENING) )
1372                                                 res2 = ast_play_and_wait(peer,"screen-callee-options");
1373                                 }
1374                                 /*! \page DialPrivacy Dial Privacy scripts
1375                                 \par priv-callee-options script:
1376                                         "Dial 1 if you wish this caller to reach you directly in the future,
1377                                                 and immediately connect to their incoming call
1378                                          Dial 2 if you wish to send this caller to voicemail now and 
1379                                                 forevermore.
1380                                          Dial 3 to send this caller to the torture menus, now and forevermore.
1381                                          Dial 4 to send this caller to a simple "go away" menu, now and forevermore.
1382                                          Dial 5 to allow this caller to come straight thru to you in the future,
1383                                                 but right now, just this once, send them to voicemail."
1384                                 \par screen-callee-options script:
1385                                         "Dial 1 if you wish to immediately connect to the incoming call
1386                                          Dial 2 if you wish to send this caller to voicemail.
1387                                          Dial 3 to send this caller to the torture menus.
1388                                          Dial 4 to send this caller to a simple "go away" menu.
1389                                 */
1390                                 if (valid_priv_reply(&opts, res2))
1391                                         break;
1392                                 /* invalid option */
1393                                 res2 = ast_play_and_wait(peer, "vm-sorry");
1394                         }
1395
1396                         if (ast_test_flag(&opts, OPT_MUSICBACK)) {
1397                                 ast_moh_stop(chan);
1398                         } else if (ast_test_flag(&opts, OPT_RINGBACK)) {
1399                                 ast_indicate(chan, -1);
1400                                 sentringing=0;
1401                         }
1402                         ast_autoservice_stop(chan);
1403
1404                         switch (res2) {
1405                         case '1':
1406                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1407                                         if (option_verbose > 2)
1408                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to ALLOW\n",
1409                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1410                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_ALLOW);
1411                                 }
1412                                 break;
1413                         case '2':
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 DENY\n",
1417                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1418                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_DENY);
1419                                 }
1420                                 ast_copy_string(status, "NOANSWER", sizeof(status));
1421                                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1422                                 res=0;
1423                                 goto out;
1424                         case '3':
1425                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1426                                         if (option_verbose > 2)
1427                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to TORTURE\n",
1428                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1429                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_TORTURE);
1430                                 }
1431                                 ast_copy_string(status, "TORTURE", sizeof(status));
1432                                 
1433                                 res = 0;
1434                                 ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1435                                 goto out; /* Is this right? */
1436                         case '4':
1437                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1438                                         if (option_verbose > 2)
1439                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to KILL\n",
1440                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1441                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_KILL);
1442                                 }
1443
1444                                 ast_copy_string(status, "DONTCALL", sizeof(status));
1445                                 res = 0;
1446                                 ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1447                                 goto out; /* Is this right? */
1448                         case '5':
1449                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1450                                         if (option_verbose > 2)
1451                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to ALLOW\n",
1452                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1453                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_ALLOW);
1454                                         ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1455                                         res=0;
1456                                         goto out;
1457                                 } /* if not privacy, then 5 is the same as "default" case */
1458                         default:        /* bad input or -1 if failure to start autoservice */
1459                                 /* well, if the user messes up, ... he had his chance... What Is The Best Thing To Do?  */
1460                                 /* well, there seems basically two choices. Just patch the caller thru immediately,
1461                                           or,... put 'em thru to voicemail. */
1462                                 /* since the callee may have hung up, let's do the voicemail thing, no database decision */
1463                                 ast_log(LOG_NOTICE, "privacy: no valid response from the callee. Sending the caller to voicemail, the callee isn't responding\n");
1464                                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1465                                 res=0;
1466                                 goto out;
1467                         }
1468
1469                         /* XXX once again, this path is only taken in the case '1', so it could be
1470                          * moved there, although i am not really sure that this is correct - maybe
1471                          * the check applies to other cases as well.
1472                          */
1473                         /* if the intro is NOCALLERID, then there's no reason to leave it on disk, it'll 
1474                            just clog things up, and it's not useful information, not being tied to a CID */
1475                         if( strncmp(privcid,"NOCALLERID",10) == 0 || ast_test_flag(&opts, OPT_SCREEN_NOINTRO) ) {
1476                                 ast_filedelete(privintro, NULL);
1477                                 if( ast_fileexists(privintro, NULL, NULL ) > 0 )
1478                                         ast_log(LOG_NOTICE, "privacy: ast_filedelete didn't do its job on %s\n", privintro);
1479                                 else if (option_verbose > 2)
1480                                         ast_verbose(VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", privintro);
1481                         }
1482                 }
1483                 if (!ast_test_flag(&opts, OPT_ANNOUNCE) || ast_strlen_zero(opt_args[OPT_ARG_ANNOUNCE])) {
1484                         res = 0;
1485                 } else {
1486                         int digit = 0;
1487                         /* Start autoservice on the other chan */
1488                         res = ast_autoservice_start(chan);
1489                         /* Now Stream the File */
1490                         if (!res)
1491                                 res = ast_streamfile(peer, opt_args[OPT_ARG_ANNOUNCE], peer->language);
1492                         if (!res) {
1493                                 digit = ast_waitstream(peer, AST_DIGIT_ANY); 
1494                         }
1495                         /* Ok, done. stop autoservice */
1496                         res = ast_autoservice_stop(chan);
1497                         if (digit > 0 && !res)
1498                                 res = ast_senddigit(chan, digit); 
1499                         else
1500                                 res = digit;
1501
1502                 }
1503
1504                 if (chan && peer && ast_test_flag(&opts, OPT_GOTO) && !ast_strlen_zero(opt_args[OPT_ARG_GOTO])) {
1505                         replace_macro_delimiter(opt_args[OPT_ARG_GOTO]);
1506                         ast_parseable_goto(chan, opt_args[OPT_ARG_GOTO]);
1507                         ast_parseable_goto(peer, opt_args[OPT_ARG_GOTO]);
1508                         peer->priority++;
1509                         ast_pbx_start(peer);
1510                         hanguptree(outgoing, NULL);
1511                         res = 0;
1512                         goto done;
1513                 }
1514
1515                 if (ast_test_flag(&opts, OPT_CALLEE_MACRO) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_MACRO])) {
1516                         struct ast_app *theapp;
1517                         const char *macro_result;
1518
1519                         res = ast_autoservice_start(chan);
1520                         if (res) {
1521                                 ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
1522                                 res = -1;
1523                         }
1524
1525                         theapp = pbx_findapp("Macro");
1526
1527                         if (theapp && !res) {   /* XXX why check res here ? */
1528                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_MACRO]);
1529                                 res = pbx_exec(peer, theapp, opt_args[OPT_ARG_CALLEE_MACRO]);
1530                                 if (option_debug)
1531                                         ast_log(LOG_DEBUG, "Macro exited with status %d\n", res);
1532                                 res = 0;
1533                         } else {
1534                                 ast_log(LOG_ERROR, "Could not find application Macro\n");
1535                                 res = -1;
1536                         }
1537
1538                         if (ast_autoservice_stop(chan) < 0) {
1539                                 ast_log(LOG_ERROR, "Could not stop autoservice on calling channel\n");
1540                                 res = -1;
1541                         }
1542
1543                         if (!res && (macro_result = pbx_builtin_getvar_helper(peer, "MACRO_RESULT"))) {
1544                                         char *macro_transfer_dest;
1545
1546                                         if (!strcasecmp(macro_result, "BUSY")) {
1547                                                 ast_copy_string(status, macro_result, sizeof(status));
1548                                                 if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1549                                                         if (!ast_goto_if_exists(chan, NULL, NULL, chan->priority + 101)) {
1550                                                                 ast_set_flag(peerflags, OPT_GO_ON);
1551                                                         }
1552                                                 } else
1553                                                         ast_set_flag(peerflags, OPT_GO_ON);
1554                                                 res = -1;
1555                                         } else if (!strcasecmp(macro_result, "CONGESTION") || !strcasecmp(macro_result, "CHANUNAVAIL")) {
1556                                                 ast_copy_string(status, macro_result, sizeof(status));
1557                                                 ast_set_flag(peerflags, OPT_GO_ON);     
1558                                                 res = -1;
1559                                         } else if (!strcasecmp(macro_result, "CONTINUE")) {
1560                                                 /* hangup peer and keep chan alive assuming the macro has changed 
1561                                                    the context / exten / priority or perhaps 
1562                                                    the next priority in the current exten is desired.
1563                                                 */
1564                                                 ast_set_flag(peerflags, OPT_GO_ON);     
1565                                                 res = -1;
1566                                         } else if (!strcasecmp(macro_result, "ABORT")) {
1567                                                 /* Hangup both ends unless the caller has the g flag */
1568                                                 res = -1;
1569                                         } else if (!strncasecmp(macro_result, "GOTO:", 5) && (macro_transfer_dest = ast_strdupa(macro_result + 5))) {
1570                                                 res = -1;
1571                                                 /* perform a transfer to a new extension */
1572                                                 if (strchr(macro_transfer_dest, '^')) { /* context^exten^priority*/
1573                                                         replace_macro_delimiter(macro_transfer_dest);
1574                                                         if (!ast_parseable_goto(chan, macro_transfer_dest))
1575                                                                 ast_set_flag(peerflags, OPT_GO_ON);
1576
1577                                                 }
1578                                         }
1579                         }
1580                 }
1581
1582                 if (!res) {
1583                         if (calldurationlimit > 0) {
1584                                 chan->whentohangup = time(NULL) + calldurationlimit;
1585                         }
1586                         if (!ast_strlen_zero(dtmfcalled)) { 
1587                                 if (option_verbose > 2)
1588                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the called party.\n", dtmfcalled);
1589                                 res = ast_dtmf_stream(peer,chan,dtmfcalled,250);
1590                         }
1591                         if (!ast_strlen_zero(dtmfcalling)) {
1592                                 if (option_verbose > 2)
1593                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the calling party.\n", dtmfcalling);
1594                                 res = ast_dtmf_stream(chan,peer,dtmfcalling,250);
1595                         }
1596                 }
1597                 
1598                 if (!res) {
1599                         if (ast_test_flag(peerflags, OPT_CALLEE_TRANSFER))
1600                                 ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
1601                         if (ast_test_flag(peerflags, OPT_CALLER_TRANSFER))
1602                                 ast_set_flag(&(config.features_caller), AST_FEATURE_REDIRECT);
1603                         if (ast_test_flag(peerflags, OPT_CALLEE_HANGUP))
1604                                 ast_set_flag(&(config.features_callee), AST_FEATURE_DISCONNECT);
1605                         if (ast_test_flag(peerflags, OPT_CALLER_HANGUP))
1606                                 ast_set_flag(&(config.features_caller), AST_FEATURE_DISCONNECT);
1607                         if (ast_test_flag(peerflags, OPT_CALLEE_MONITOR))
1608                                 ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
1609                         if (ast_test_flag(peerflags, OPT_CALLER_MONITOR)) 
1610                                 ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
1611                         if (ast_test_flag(peerflags, OPT_CALLEE_PARK))
1612                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PARKCALL);
1613                         if (ast_test_flag(peerflags, OPT_CALLER_PARK))
1614                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PARKCALL);
1615
1616                         if (moh) {
1617                                 moh = 0;
1618                                 ast_moh_stop(chan);
1619                         } else if (sentringing) {
1620                                 sentringing = 0;
1621                                 ast_indicate(chan, -1);
1622                         }
1623                         /* Be sure no generators are left on it */
1624                         ast_deactivate_generator(chan);
1625                         /* Make sure channels are compatible */
1626                         res = ast_channel_make_compatible(chan, peer);
1627                         if (res < 0) {
1628                                 ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", chan->name, peer->name);
1629                                 ast_hangup(peer);
1630                                 res = -1;
1631                                 goto done;
1632                         }
1633                         if (opermode && (!strncmp(chan->name,"Zap",3)) &&
1634                                 (!strncmp(peer->name,"Zap",3)))
1635                         {
1636                                 struct oprmode oprmode;
1637
1638                                 oprmode.peer = peer;
1639                                 oprmode.mode = opermode;
1640
1641                                 ast_channel_setoption(chan,
1642                                         AST_OPTION_OPRMODE,&oprmode,sizeof(struct oprmode),0);
1643                         }
1644                         res = ast_bridge_call(chan,peer,&config);
1645                         time(&end_time);
1646                         {
1647                                 char toast[80];
1648                                 snprintf(toast, sizeof(toast), "%ld", (long)(end_time - answer_time));
1649                                 pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", toast);
1650                         }
1651                 } else {
1652                         time(&end_time);
1653                         res = -1;
1654                 }
1655                 {
1656                         char toast[80];
1657                         snprintf(toast, sizeof(toast), "%ld", (long)(end_time - start_time));
1658                         pbx_builtin_setvar_helper(chan, "DIALEDTIME", toast);
1659                 }
1660                 
1661                 if (res != AST_PBX_NO_HANGUP_PEER) {
1662                         if (!chan->_softhangup)
1663                                 chan->hangupcause = peer->hangupcause;
1664                         ast_hangup(peer);
1665                 }
1666         }       
1667 out:
1668         if (moh) {
1669                 moh = 0;
1670                 ast_moh_stop(chan);
1671         } else if (sentringing) {
1672                 sentringing = 0;
1673                 ast_indicate(chan, -1);
1674         }
1675         ast_channel_early_bridge(chan, NULL);
1676         hanguptree(outgoing, NULL);
1677         pbx_builtin_setvar_helper(chan, "DIALSTATUS", status);
1678         senddialendevent(chan, status);
1679         if (option_debug)
1680                 ast_log(LOG_DEBUG, "Exiting with DIALSTATUS=%s.\n", status);
1681         
1682         if ((ast_test_flag(peerflags, OPT_GO_ON)) && (!chan->_softhangup) && (res != AST_PBX_KEEPALIVE))
1683                 res = 0;
1684
1685 done:
1686         ast_module_user_remove(u);      /* XXX probably not the right place for this. */
1687         return res;
1688 }
1689
1690 static int dial_exec(struct ast_channel *chan, void *data)
1691 {
1692         struct ast_flags peerflags;
1693         memset(&peerflags, 0, sizeof(peerflags));
1694         return dial_exec_full(chan, data, &peerflags);
1695 }
1696
1697 static int retrydial_exec(struct ast_channel *chan, void *data)
1698 {
1699         char *announce = NULL, *dialdata = NULL;
1700         const char *context = NULL;
1701         int sleep = 0, loops = 0, res = -1;
1702         struct ast_module_user *u;
1703         struct ast_flags peerflags;
1704         
1705         if (ast_strlen_zero(data)) {
1706                 ast_log(LOG_WARNING, "RetryDial requires an argument!\n");
1707                 return -1;
1708         }       
1709
1710         u = ast_module_user_add(chan);
1711
1712         announce = ast_strdupa(data);
1713
1714         memset(&peerflags, 0, sizeof(peerflags));
1715
1716         if ((dialdata = strchr(announce, '|'))) {
1717                 *dialdata++ = '\0';
1718                 if ((sleep = atoi(dialdata))) {
1719                         sleep *= 1000;
1720                 } else {
1721                         ast_log(LOG_ERROR, "%s requires the numerical argument <sleep>\n",rapp);
1722                         goto done;
1723                 }
1724                 if ((dialdata = strchr(dialdata, '|'))) {
1725                         *dialdata++ = '\0';
1726                         if (!(loops = atoi(dialdata))) {
1727                                 ast_log(LOG_ERROR, "%s requires the numerical argument <loops>\n",rapp);
1728                                 goto done;
1729                         }
1730                 }
1731         }
1732         
1733         if ((dialdata = strchr(dialdata, '|'))) {
1734                 *dialdata++ = '\0';
1735         } else {
1736                 ast_log(LOG_ERROR, "%s requires more arguments\n",rapp);
1737                 goto done;
1738         }
1739                 
1740         if (sleep < 1000)
1741                 sleep = 10000;
1742
1743         if (!loops)
1744                 loops = -1;     /* run forever */
1745         
1746         context = pbx_builtin_getvar_helper(chan, "EXITCONTEXT");
1747
1748         res = 0;
1749         while (loops) {
1750                 chan->data = "Retrying";
1751                 if (ast_test_flag(chan, AST_FLAG_MOH))
1752                         ast_moh_stop(chan);
1753
1754                 if ((res = dial_exec_full(chan, dialdata, &peerflags)) == 0) {
1755                         if (ast_test_flag(&peerflags, OPT_DTMF_EXIT)) {
1756                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1757                                         res = ast_waitstream(chan, AST_DIGIT_ANY);
1758                                 if (!res && sleep) {
1759                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1760                                                 ast_moh_start(chan, NULL, NULL);
1761                                         res = ast_waitfordigit(chan, sleep);
1762                                 }
1763                         } else {
1764                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1765                                         res = ast_waitstream(chan, "");
1766                                 if (sleep) {
1767                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1768                                                 ast_moh_start(chan, NULL, NULL);
1769                                         if (!res) 
1770                                                 res = ast_waitfordigit(chan, sleep);
1771                                 }
1772                         }
1773                 }
1774
1775                 if (res < 0)
1776                         break;
1777                 else if (res > 0) { /* Trying to send the call elsewhere (1 digit ext) */
1778                         if (onedigit_goto(chan, context, (char) res, 1)) {
1779                                 res = 0;
1780                                 break;
1781                         }
1782                 }
1783                 loops--;
1784         }
1785         if (loops == 0)
1786                 res = 0;
1787         
1788         if (ast_test_flag(chan, AST_FLAG_MOH))
1789                 ast_moh_stop(chan);
1790 done:
1791         ast_module_user_remove(u);
1792         return res;
1793 }
1794
1795 static int unload_module(void)
1796 {
1797         int res;
1798
1799         res = ast_unregister_application(app);
1800         res |= ast_unregister_application(rapp);
1801
1802         ast_module_user_hangup_all();
1803         
1804         return res;
1805 }
1806
1807 static int load_module(void)
1808 {
1809         int res;
1810
1811         res = ast_register_application(app, dial_exec, synopsis, descrip);
1812         res |= ast_register_application(rapp, retrydial_exec, rsynopsis, rdescrip);
1813         
1814         return res;
1815 }
1816
1817 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Dialing Application");