23e51e907854a8ac190deec13db0052515ebde59
[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                 opermode = ast_strlen_zero(opt_args[OPT_ARG_OPERMODE]) ? 1 : atoi(opt_args[OPT_ARG_OPERMODE]);
967                 if (option_verbose > 2)
968                         ast_verbose(VERBOSE_PREFIX_3 "Setting operator services mode to %d.\n", opermode);
969         }
970         
971         if (ast_test_flag(&opts, OPT_DURATION_STOP) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_STOP])) {
972                 calldurationlimit = atoi(opt_args[OPT_ARG_DURATION_STOP]);
973                 if (!calldurationlimit) {
974                         ast_log(LOG_WARNING, "Dial does not accept S(%s), hanging up.\n", opt_args[OPT_ARG_DURATION_STOP]);
975                         goto done;
976                 }
977                 if (option_verbose > 2)
978                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n", calldurationlimit);
979         }
980
981         if (ast_test_flag(&opts, OPT_SENDDTMF) && !ast_strlen_zero(opt_args[OPT_ARG_SENDDTMF])) {
982                 dtmfcalling = opt_args[OPT_ARG_SENDDTMF];
983                 dtmfcalled = strsep(&dtmfcalling, ":");
984         }
985
986         if (ast_test_flag(&opts, OPT_DURATION_LIMIT) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_LIMIT])) {
987                 if (do_timelimit(chan, &config, opt_args[OPT_ARG_DURATION_LIMIT], &calldurationlimit))
988                         goto done;
989         }
990
991         if (ast_test_flag(&opts, OPT_RESETCDR) && chan->cdr)
992                 ast_cdr_reset(chan->cdr, NULL);
993         if (ast_test_flag(&opts, OPT_PRIVACY) && ast_strlen_zero(opt_args[OPT_ARG_PRIVACY]))
994                 opt_args[OPT_ARG_PRIVACY] = ast_strdupa(chan->exten);
995         if (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) {
996                 char callerid[60];
997                 char *l = chan->cid.cid_num;    /* XXX watch out, we are overwriting it */
998                 if (!ast_strlen_zero(l)) {
999                         ast_shrink_phone_number(l);
1000                         if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1001                                 if (option_verbose > 2)
1002                                         ast_verbose(VERBOSE_PREFIX_3  "Privacy DB is '%s', clid is '%s'\n",
1003                                                      opt_args[OPT_ARG_PRIVACY], l);
1004                                 privdb_val = ast_privacy_check(opt_args[OPT_ARG_PRIVACY], l);
1005                         }
1006                         else {
1007                                 if (option_verbose > 2)
1008                                         ast_verbose(VERBOSE_PREFIX_3  "Privacy Screening, clid is '%s'\n", l);
1009                                 privdb_val = AST_PRIVACY_UNKNOWN;
1010                         }
1011                 } else {
1012                         char *tnam, *tn2;
1013
1014                         tnam = ast_strdupa(chan->name);
1015                         /* clean the channel name so slashes don't try to end up in disk file name */
1016                         for(tn2 = tnam; *tn2; tn2++) {
1017                                 if( *tn2=='/')
1018                                         *tn2 = '=';  /* any other chars to be afraid of? */
1019                         }
1020                         if (option_verbose > 2)
1021                                 ast_verbose(VERBOSE_PREFIX_3  "Privacy-- callerid is empty\n");
1022
1023                         snprintf(callerid, sizeof(callerid), "NOCALLERID_%s%s", chan->exten, tnam);
1024                         l = callerid;
1025                         privdb_val = AST_PRIVACY_UNKNOWN;
1026                 }
1027                 
1028                 ast_copy_string(privcid,l,sizeof(privcid));
1029
1030                 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 */  
1031                         if (option_verbose > 2)
1032                                 ast_verbose( VERBOSE_PREFIX_3  "CallerID set (%s); N option set; Screening should be off\n", privcid);
1033                         privdb_val = AST_PRIVACY_ALLOW;
1034                 }
1035                 else if(ast_test_flag(&opts, OPT_SCREEN_NOCLID) && strncmp(privcid,"NOCALLERID",10) == 0 ) {
1036                         if (option_verbose > 2)
1037                                 ast_verbose( VERBOSE_PREFIX_3  "CallerID blank; N option set; Screening should happen; dbval is %d\n", privdb_val);
1038                 }
1039                 
1040                 if(privdb_val == AST_PRIVACY_DENY ) {
1041                         ast_copy_string(status, "NOANSWER", sizeof(status));
1042                         if (option_verbose > 2)
1043                                 ast_verbose( VERBOSE_PREFIX_3  "Privacy DB reports PRIVACY_DENY for this callerid. Dial reports unavailable\n");
1044                         res=0;
1045                         goto out;
1046                 }
1047                 else if(privdb_val == AST_PRIVACY_KILL ) {
1048                         ast_copy_string(status, "DONTCALL", sizeof(status));
1049                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1050                                 ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 201);
1051                         }
1052                         res = 0;
1053                         goto out; /* Is this right? */
1054                 }
1055                 else if(privdb_val == AST_PRIVACY_TORTURE ) {
1056                         ast_copy_string(status, "TORTURE", sizeof(status));
1057                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1058                                 ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 301);
1059                         }
1060                         res = 0;
1061                         goto out; /* is this right??? */
1062                 }
1063                 else if(privdb_val == AST_PRIVACY_UNKNOWN ) {
1064                         /* Get the user's intro, store it in priv-callerintros/$CID, 
1065                            unless it is already there-- this should be done before the 
1066                            call is actually dialed  */
1067
1068                         /* make sure the priv-callerintros dir actually exists */
1069                         snprintf(privintro, sizeof(privintro), "%s/sounds/priv-callerintros", ast_config_AST_DATA_DIR);
1070                         if (mkdir(privintro, 0755) && errno != EEXIST) {
1071                                 ast_log(LOG_WARNING, "privacy: can't create directory priv-callerintros: %s\n", strerror(errno));
1072                                 res = -1;
1073                                 goto out;
1074                         }
1075
1076                         snprintf(privintro,sizeof(privintro), "priv-callerintros/%s", privcid);
1077                         if( ast_fileexists(privintro,NULL,NULL ) > 0 && strncmp(privcid,"NOCALLERID",10) != 0) {
1078                                 /* the DELUX version of this code would allow this caller the
1079                                    option to hear and retape their previously recorded intro.
1080                                 */
1081                         }
1082                         else {
1083                                 int duration; /* for feedback from play_and_wait */
1084                                 /* the file doesn't exist yet. Let the caller submit his
1085                                    vocal intro for posterity */
1086                                 /* priv-recordintro script:
1087
1088                                    "At the tone, please say your name:"
1089
1090                                 */
1091                                 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 */
1092                                                                                 /* don't think we'll need a lock removed, we took care of
1093                                                                                    conflicts by naming the privintro file */
1094                                 if (res == -1) {
1095                                         /* Delete the file regardless since they hung up during recording */
1096                                         ast_filedelete(privintro, NULL);
1097                                         if( ast_fileexists(privintro,NULL,NULL ) > 0 )
1098                                                 ast_log(LOG_NOTICE,"privacy: ast_filedelete didn't do its job on %s\n", privintro);
1099                                         else if (option_verbose > 2)
1100                                                 ast_verbose( VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", privintro);
1101                                         goto out;
1102                                 }
1103                                 if( !ast_streamfile(chan, "vm-dialout", chan->language) )
1104                                         ast_waitstream(chan, "");
1105                         }
1106                 }
1107         }
1108
1109         /* If a channel group has been specified, get it for use when we create peer channels */
1110         outbound_group = pbx_builtin_getvar_helper(chan, "OUTBOUND_GROUP");
1111
1112         ast_copy_flags(peerflags, &opts, OPT_DTMF_EXIT | OPT_GO_ON | OPT_ORIGINAL_CLID | OPT_CALLER_HANGUP | OPT_IGNORE_FORWARDING);
1113         /* loop through the list of dial destinations */
1114         rest = args.peers;
1115         while ((cur = strsep(&rest, "&")) ) {
1116                 struct dial_localuser *tmp;
1117                 /* Get a technology/[device:]number pair */
1118                 char *number = cur;
1119                 char *tech = strsep(&number, "/");
1120                 if (!number) {
1121                         ast_log(LOG_WARNING, "Dial argument takes format (technology/[device:]number1)\n");
1122                         goto out;
1123                 }
1124                 if (!(tmp = ast_calloc(1, sizeof(*tmp))))
1125                         goto out;
1126                 if (opts.flags) {
1127                         ast_copy_flags(tmp, &opts,
1128                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
1129                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
1130                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
1131                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
1132                                        OPT_RINGBACK | OPT_MUSICBACK | OPT_FORCECLID);
1133                         ast_set2_flag(tmp, args.url, DIAL_NOFORWARDHTML);       
1134                 }
1135                 ast_copy_string(numsubst, number, sizeof(numsubst));
1136                 /* Request the peer */
1137                 tmp->chan = ast_request(tech, chan->nativeformats, numsubst, &cause);
1138                 if (!tmp->chan) {
1139                         /* If we can't, just go on to the next call */
1140                         ast_log(LOG_WARNING, "Unable to create channel of type '%s' (cause %d - %s)\n", tech, cause, ast_cause2str(cause));
1141                         handle_cause(cause, &num);
1142                         if (!rest)      /* we are on the last destination */
1143                                 chan->hangupcause = cause;
1144                         continue;
1145                 }
1146                 pbx_builtin_setvar_helper(tmp->chan, "DIALEDPEERNUMBER", numsubst);
1147                 if (!ast_strlen_zero(tmp->chan->call_forward)) {
1148                         char tmpchan[256];
1149                         char *stuff;
1150                         char *tech;
1151                         ast_copy_string(tmpchan, tmp->chan->call_forward, sizeof(tmpchan));
1152                         if ((stuff = strchr(tmpchan, '/'))) {
1153                                 *stuff++ = '\0';
1154                                 tech = tmpchan;
1155                         } else {
1156                                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", tmp->chan->call_forward, tmp->chan->context);
1157                                 stuff = tmpchan;
1158                                 tech = "Local";
1159                         }
1160                         tmp->forwards++;
1161                         if (tmp->forwards < AST_MAX_FORWARDS) {
1162                                 if (option_verbose > 2)
1163                                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", chan->name, tech, stuff, tmp->chan->name);
1164                                 ast_hangup(tmp->chan);
1165                                 /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
1166                                 if (ast_test_flag(&opts, OPT_IGNORE_FORWARDING)) {
1167                                         tmp->chan = NULL;
1168                                         cause = AST_CAUSE_BUSY;
1169                                         if (option_verbose > 2)
1170                                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n", chan->name, tech, stuff);
1171                                 } else {
1172                                         tmp->chan = ast_request(tech, chan->nativeformats, stuff, &cause);
1173                                 }
1174                                 if (!tmp->chan)
1175                                         ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
1176                                 else
1177                                         ast_channel_inherit_variables(chan, tmp->chan);
1178                         } else {
1179                                 if (option_verbose > 2)
1180                                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", tmp->chan->name);
1181                                 ast_hangup(tmp->chan);
1182                                 tmp->chan = NULL;
1183                                 cause = AST_CAUSE_CONGESTION;
1184                         }
1185                         if (!tmp->chan) {
1186                                 handle_cause(cause, &num);
1187                                 continue;
1188                         }
1189                 }
1190
1191                 /* Setup outgoing SDP to match incoming one */
1192                 ast_rtp_make_compatible(tmp->chan, chan, !outgoing && !rest);
1193                 
1194                 /* Inherit specially named variables from parent channel */
1195                 ast_channel_inherit_variables(chan, tmp->chan);
1196
1197                 tmp->chan->appl = "AppDial";
1198                 tmp->chan->data = "(Outgoing Line)";
1199                 tmp->chan->whentohangup = 0;
1200
1201                 S_REPLACE(tmp->chan->cid.cid_num, ast_strdup(chan->cid.cid_num));
1202                 S_REPLACE(tmp->chan->cid.cid_name, ast_strdup(chan->cid.cid_name));
1203                 S_REPLACE(tmp->chan->cid.cid_ani, ast_strdup(chan->cid.cid_ani));
1204                 S_REPLACE(tmp->chan->cid.cid_rdnis, ast_strdup(chan->cid.cid_rdnis));
1205                 
1206                 /* Copy language from incoming to outgoing */
1207                 ast_string_field_set(tmp->chan, language, chan->language);
1208                 ast_string_field_set(tmp->chan, accountcode, chan->accountcode);
1209                 tmp->chan->cdrflags = chan->cdrflags;
1210                 if (ast_strlen_zero(tmp->chan->musicclass))
1211                         ast_string_field_set(tmp->chan, musicclass, chan->musicclass);
1212                 /* Pass callingpres setting */
1213                 tmp->chan->cid.cid_pres = chan->cid.cid_pres;
1214                 /* Pass type of number */
1215                 tmp->chan->cid.cid_ton = chan->cid.cid_ton;
1216                 /* Pass type of tns */
1217                 tmp->chan->cid.cid_tns = chan->cid.cid_tns;
1218                 /* Presense of ADSI CPE on outgoing channel follows ours */
1219                 tmp->chan->adsicpe = chan->adsicpe;
1220                 /* Pass the transfer capability */
1221                 tmp->chan->transfercapability = chan->transfercapability;
1222
1223                 /* If we have an outbound group, set this peer channel to it */
1224                 if (outbound_group)
1225                         ast_app_group_set_channel(tmp->chan, outbound_group);
1226
1227                 /* Inherit context and extension */
1228                 ast_copy_string(tmp->chan->context, chan->context, sizeof(tmp->chan->context));
1229                 ast_copy_string(tmp->chan->exten, chan->exten, sizeof(tmp->chan->exten));
1230
1231                 /* Place the call, but don't wait on the answer */
1232                 res = ast_call(tmp->chan, numsubst, 0);
1233
1234                 /* Save the info in cdr's that we called them */
1235                 if (chan->cdr)
1236                         ast_cdr_setdestchan(chan->cdr, tmp->chan->name);
1237
1238                 /* check the results of ast_call */
1239                 if (res) {
1240                         /* Again, keep going even if there's an error */
1241                         if (option_debug)
1242                                 ast_log(LOG_DEBUG, "ast call on peer returned %d\n", res);
1243                         if (option_verbose > 2)
1244                                 ast_verbose(VERBOSE_PREFIX_3 "Couldn't call %s\n", numsubst);
1245                         ast_hangup(tmp->chan);
1246                         tmp->chan = NULL;
1247                         continue;
1248                 } else {
1249                         senddialevent(chan, tmp->chan);
1250                         if (option_verbose > 2)
1251                                 ast_verbose(VERBOSE_PREFIX_3 "Called %s\n", numsubst);
1252                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID))
1253                                 ast_set_callerid(tmp->chan, S_OR(chan->macroexten, chan->exten), get_cid_name(cidname, sizeof(cidname), chan), NULL);
1254                 }
1255                 /* Put them in the list of outgoing thingies...  We're ready now. 
1256                    XXX If we're forcibly removed, these outgoing calls won't get
1257                    hung up XXX */
1258                 ast_set_flag(tmp, DIAL_STILLGOING);     
1259                 tmp->next = outgoing;
1260                 outgoing = tmp;
1261                 /* If this line is up, don't try anybody else */
1262                 if (outgoing->chan->_state == AST_STATE_UP)
1263                         break;
1264         }
1265         
1266         if (ast_strlen_zero(args.timeout)) {
1267                 to = -1;
1268         } else {
1269                 to = atoi(args.timeout);
1270                 if (to > 0)
1271                         to *= 1000;
1272                 else
1273                         ast_log(LOG_WARNING, "Invalid timeout specified: '%s'\n", args.timeout);
1274         }
1275
1276         if (!outgoing) {
1277                 strcpy(status, "CHANUNAVAIL");
1278         } else {
1279                 /* Our status will at least be NOANSWER */
1280                 strcpy(status, "NOANSWER");
1281                 if (ast_test_flag(outgoing, OPT_MUSICBACK)) {
1282                         moh = 1;
1283                         ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1284                 } else if (ast_test_flag(outgoing, OPT_RINGBACK)) {
1285                         ast_indicate(chan, AST_CONTROL_RINGING);
1286                         sentringing++;
1287                 }
1288         }
1289
1290         time(&start_time);
1291         peer = wait_for_answer(chan, outgoing, &to, peerflags, &sentringing, status, sizeof(status), &num, ast_test_flag(&opts, OPT_PRIORITY_JUMP), &result);
1292         
1293         if (!peer) {
1294                 if (result) {
1295                         res = result;
1296                 } else if (to) { /* Musta gotten hung up */
1297                         res = -1;
1298                 } else { /* Nobody answered, next please? */
1299                         res = 0;
1300                 }
1301                 /* almost done, although the 'else' block is 400 lines */
1302         } else {
1303                 const char *number;
1304                 time_t end_time, answer_time = time(NULL);
1305                 char toast[80]; /* buffer to set variables */
1306
1307                 strcpy(status, "ANSWER");
1308                 /* Ah ha!  Someone answered within the desired timeframe.  Of course after this
1309                    we will always return with -1 so that it is hung up properly after the 
1310                    conversation.  */
1311                 hanguptree(outgoing, peer);
1312                 outgoing = NULL;
1313                 /* If appropriate, log that we have a destination channel */
1314                 if (chan->cdr)
1315                         ast_cdr_setdestchan(chan->cdr, peer->name);
1316                 if (peer->name)
1317                         pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", peer->name);
1318
1319                 number = pbx_builtin_getvar_helper(peer, "DIALEDPEERNUMBER");
1320                 if (!number)
1321                         number = numsubst;
1322                 pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", number);
1323                 if (!ast_strlen_zero(args.url) && ast_channel_supports_html(peer) ) {
1324                         if (option_debug)
1325                                 ast_log(LOG_DEBUG, "app_dial: sendurl=%s.\n", args.url);
1326                         ast_channel_sendurl( peer, args.url );
1327                 }
1328                 if ( (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) && privdb_val == AST_PRIVACY_UNKNOWN) {
1329                         int res2;
1330                         int loopcount = 0;
1331
1332                         /* Get the user's intro, store it in priv-callerintros/$CID, 
1333                            unless it is already there-- this should be done before the 
1334                            call is actually dialed  */
1335
1336                         /* all ring indications and moh for the caller has been halted as soon as the 
1337                            target extension was picked up. We are going to have to kill some
1338                            time and make the caller believe the peer hasn't picked up yet */
1339
1340                         if (ast_test_flag(&opts, OPT_MUSICBACK) && !ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
1341                                 ast_indicate(chan, -1);
1342                                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1343                         } else if (ast_test_flag(&opts, OPT_RINGBACK)) {
1344                                 ast_indicate(chan, AST_CONTROL_RINGING);
1345                                 sentringing++;
1346                         }
1347
1348                         /* Start autoservice on the other chan ?? */
1349                         res2 = ast_autoservice_start(chan);
1350                         /* Now Stream the File */
1351                         for (loopcount = 0; loopcount < 3; loopcount++) {
1352                                 if (res2 && loopcount == 0)     /* error in ast_autoservice_start() */
1353                                         break;
1354                                 if (!res2)      /* on timeout, play the message again */
1355                                         res2 = ast_play_and_wait(peer,"priv-callpending");
1356                                 if (!valid_priv_reply(&opts, res2))
1357                                         res2 = 0;
1358                                 /* priv-callpending script: 
1359                                    "I have a caller waiting, who introduces themselves as:"
1360                                 */
1361                                 if (!res2)
1362                                         res2 = ast_play_and_wait(peer,privintro);
1363                                 if (!valid_priv_reply(&opts, res2))
1364                                         res2 = 0;
1365                                 /* now get input from the called party, as to their choice */
1366                                 if( !res2 ) {
1367                                         /* XXX can we have both, or they are mutually exclusive ? */
1368                                         if( ast_test_flag(&opts, OPT_PRIVACY) )
1369                                                 res2 = ast_play_and_wait(peer,"priv-callee-options");
1370                                         if( ast_test_flag(&opts, OPT_SCREENING) )
1371                                                 res2 = ast_play_and_wait(peer,"screen-callee-options");
1372                                 }
1373                                 /*! \page DialPrivacy Dial Privacy scripts
1374                                 \par priv-callee-options script:
1375                                         "Dial 1 if you wish this caller to reach you directly in the future,
1376                                                 and immediately connect to their incoming call
1377                                          Dial 2 if you wish to send this caller to voicemail now and 
1378                                                 forevermore.
1379                                          Dial 3 to send this caller to the torture menus, now and forevermore.
1380                                          Dial 4 to send this caller to a simple "go away" menu, now and forevermore.
1381                                          Dial 5 to allow this caller to come straight thru to you in the future,
1382                                                 but right now, just this once, send them to voicemail."
1383                                 \par screen-callee-options script:
1384                                         "Dial 1 if you wish to immediately connect to the incoming call
1385                                          Dial 2 if you wish to send this caller to voicemail.
1386                                          Dial 3 to send this caller to the torture menus.
1387                                          Dial 4 to send this caller to a simple "go away" menu.
1388                                 */
1389                                 if (valid_priv_reply(&opts, res2))
1390                                         break;
1391                                 /* invalid option */
1392                                 res2 = ast_play_and_wait(peer, "vm-sorry");
1393                         }
1394
1395                         if (ast_test_flag(&opts, OPT_MUSICBACK)) {
1396                                 ast_moh_stop(chan);
1397                         } else if (ast_test_flag(&opts, OPT_RINGBACK)) {
1398                                 ast_indicate(chan, -1);
1399                                 sentringing=0;
1400                         }
1401                         ast_autoservice_stop(chan);
1402
1403                         switch (res2) {
1404                         case '1':
1405                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1406                                         if (option_verbose > 2)
1407                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to ALLOW\n",
1408                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1409                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_ALLOW);
1410                                 }
1411                                 break;
1412                         case '2':
1413                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1414                                         if (option_verbose > 2)
1415                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to DENY\n",
1416                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1417                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_DENY);
1418                                 }
1419                                 ast_copy_string(status, "NOANSWER", sizeof(status));
1420                                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1421                                 res=0;
1422                                 goto out;
1423                         case '3':
1424                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1425                                         if (option_verbose > 2)
1426                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to TORTURE\n",
1427                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1428                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_TORTURE);
1429                                 }
1430                                 ast_copy_string(status, "TORTURE", sizeof(status));
1431                                 
1432                                 res = 0;
1433                                 ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1434                                 goto out; /* Is this right? */
1435                         case '4':
1436                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1437                                         if (option_verbose > 2)
1438                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to KILL\n",
1439                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1440                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_KILL);
1441                                 }
1442
1443                                 ast_copy_string(status, "DONTCALL", sizeof(status));
1444                                 res = 0;
1445                                 ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1446                                 goto out; /* Is this right? */
1447                         case '5':
1448                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1449                                         if (option_verbose > 2)
1450                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to ALLOW\n",
1451                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1452                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_ALLOW);
1453                                         ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1454                                         res=0;
1455                                         goto out;
1456                                 } /* if not privacy, then 5 is the same as "default" case */
1457                         default:        /* bad input or -1 if failure to start autoservice */
1458                                 /* well, if the user messes up, ... he had his chance... What Is The Best Thing To Do?  */
1459                                 /* well, there seems basically two choices. Just patch the caller thru immediately,
1460                                           or,... put 'em thru to voicemail. */
1461                                 /* since the callee may have hung up, let's do the voicemail thing, no database decision */
1462                                 ast_log(LOG_NOTICE, "privacy: no valid response from the callee. Sending the caller to voicemail, the callee isn't responding\n");
1463                                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1464                                 res=0;
1465                                 goto out;
1466                         }
1467
1468                         /* XXX once again, this path is only taken in the case '1', so it could be
1469                          * moved there, although i am not really sure that this is correct - maybe
1470                          * the check applies to other cases as well.
1471                          */
1472                         /* if the intro is NOCALLERID, then there's no reason to leave it on disk, it'll 
1473                            just clog things up, and it's not useful information, not being tied to a CID */
1474                         if( strncmp(privcid,"NOCALLERID",10) == 0 || ast_test_flag(&opts, OPT_SCREEN_NOINTRO) ) {
1475                                 ast_filedelete(privintro, NULL);
1476                                 if( ast_fileexists(privintro, NULL, NULL ) > 0 )
1477                                         ast_log(LOG_NOTICE, "privacy: ast_filedelete didn't do its job on %s\n", privintro);
1478                                 else if (option_verbose > 2)
1479                                         ast_verbose(VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", privintro);
1480                         }
1481                 }
1482                 if (!ast_test_flag(&opts, OPT_ANNOUNCE) || ast_strlen_zero(opt_args[OPT_ARG_ANNOUNCE])) {
1483                         res = 0;
1484                 } else {
1485                         int digit = 0;
1486                         /* Start autoservice on the other chan */
1487                         res = ast_autoservice_start(chan);
1488                         /* Now Stream the File */
1489                         if (!res)
1490                                 res = ast_streamfile(peer, opt_args[OPT_ARG_ANNOUNCE], peer->language);
1491                         if (!res) {
1492                                 digit = ast_waitstream(peer, AST_DIGIT_ANY); 
1493                         }
1494                         /* Ok, done. stop autoservice */
1495                         res = ast_autoservice_stop(chan);
1496                         if (digit > 0 && !res)
1497                                 res = ast_senddigit(chan, digit); 
1498                         else
1499                                 res = digit;
1500
1501                 }
1502
1503                 if (chan && peer && ast_test_flag(&opts, OPT_GOTO) && !ast_strlen_zero(opt_args[OPT_ARG_GOTO])) {
1504                         replace_macro_delimiter(opt_args[OPT_ARG_GOTO]);
1505                         ast_parseable_goto(chan, opt_args[OPT_ARG_GOTO]);
1506                         ast_parseable_goto(peer, opt_args[OPT_ARG_GOTO]);
1507                         peer->priority++;
1508                         ast_pbx_start(peer);
1509                         hanguptree(outgoing, NULL);
1510                         res = 0;
1511                         goto done;
1512                 }
1513
1514                 if (ast_test_flag(&opts, OPT_CALLEE_MACRO) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_MACRO])) {
1515                         struct ast_app *theapp;
1516                         const char *macro_result;
1517
1518                         res = ast_autoservice_start(chan);
1519                         if (res) {
1520                                 ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
1521                                 res = -1;
1522                         }
1523
1524                         theapp = pbx_findapp("Macro");
1525
1526                         if (theapp && !res) {   /* XXX why check res here ? */
1527                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_MACRO]);
1528                                 res = pbx_exec(peer, theapp, opt_args[OPT_ARG_CALLEE_MACRO]);
1529                                 if (option_debug)
1530                                         ast_log(LOG_DEBUG, "Macro exited with status %d\n", res);
1531                                 res = 0;
1532                         } else {
1533                                 ast_log(LOG_ERROR, "Could not find application Macro\n");
1534                                 res = -1;
1535                         }
1536
1537                         if (ast_autoservice_stop(chan) < 0) {
1538                                 ast_log(LOG_ERROR, "Could not stop autoservice on calling channel\n");
1539                                 res = -1;
1540                         }
1541
1542                         if (!res && (macro_result = pbx_builtin_getvar_helper(peer, "MACRO_RESULT"))) {
1543                                 char *macro_transfer_dest;
1544
1545                                 if (!strcasecmp(macro_result, "BUSY")) {
1546                                         ast_copy_string(status, macro_result, sizeof(status));
1547                                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1548                                                 if (!ast_goto_if_exists(chan, NULL, NULL, chan->priority + 101)) {
1549                                                         ast_set_flag(peerflags, OPT_GO_ON);
1550                                                 }
1551                                         } else
1552                                                 ast_set_flag(peerflags, OPT_GO_ON);
1553                                         res = -1;
1554                                 } else if (!strcasecmp(macro_result, "CONGESTION") || !strcasecmp(macro_result, "CHANUNAVAIL")) {
1555                                         ast_copy_string(status, macro_result, sizeof(status));
1556                                         ast_set_flag(peerflags, OPT_GO_ON);     
1557                                         res = -1;
1558                                 } else if (!strcasecmp(macro_result, "CONTINUE")) {
1559                                         /* hangup peer and keep chan alive assuming the macro has changed 
1560                                            the context / exten / priority or perhaps 
1561                                            the next priority in the current exten is desired.
1562                                         */
1563                                         ast_set_flag(peerflags, OPT_GO_ON);     
1564                                         res = -1;
1565                                 } else if (!strcasecmp(macro_result, "ABORT")) {
1566                                         /* Hangup both ends unless the caller has the g flag */
1567                                         res = -1;
1568                                 } else if (!strncasecmp(macro_result, "GOTO:", 5) && (macro_transfer_dest = ast_strdupa(macro_result + 5))) {
1569                                         res = -1;
1570                                         /* perform a transfer to a new extension */
1571                                         if (strchr(macro_transfer_dest, '^')) { /* context^exten^priority*/
1572                                                 replace_macro_delimiter(macro_transfer_dest);
1573                                                 if (!ast_parseable_goto(chan, macro_transfer_dest))
1574                                                         ast_set_flag(peerflags, OPT_GO_ON);
1575                                         }
1576                                 }
1577                         }
1578                 }
1579
1580                 if (!res) {
1581                         if (calldurationlimit > 0) {
1582                                 chan->whentohangup = time(NULL) + calldurationlimit;
1583                         }
1584                         if (!ast_strlen_zero(dtmfcalled)) { 
1585                                 if (option_verbose > 2)
1586                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the called party.\n", dtmfcalled);
1587                                 res = ast_dtmf_stream(peer,chan,dtmfcalled,250);
1588                         }
1589                         if (!ast_strlen_zero(dtmfcalling)) {
1590                                 if (option_verbose > 2)
1591                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the calling party.\n", dtmfcalling);
1592                                 res = ast_dtmf_stream(chan,peer,dtmfcalling,250);
1593                         }
1594                 }
1595                 
1596                 if (res) {      /* some error */
1597                         res = -1;
1598                         end_time = time(NULL);
1599                 } else {
1600                         if (ast_test_flag(peerflags, OPT_CALLEE_TRANSFER))
1601                                 ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
1602                         if (ast_test_flag(peerflags, OPT_CALLER_TRANSFER))
1603                                 ast_set_flag(&(config.features_caller), AST_FEATURE_REDIRECT);
1604                         if (ast_test_flag(peerflags, OPT_CALLEE_HANGUP))
1605                                 ast_set_flag(&(config.features_callee), AST_FEATURE_DISCONNECT);
1606                         if (ast_test_flag(peerflags, OPT_CALLER_HANGUP))
1607                                 ast_set_flag(&(config.features_caller), AST_FEATURE_DISCONNECT);
1608                         if (ast_test_flag(peerflags, OPT_CALLEE_MONITOR))
1609                                 ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
1610                         if (ast_test_flag(peerflags, OPT_CALLER_MONITOR)) 
1611                                 ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
1612                         if (ast_test_flag(peerflags, OPT_CALLEE_PARK))
1613                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PARKCALL);
1614                         if (ast_test_flag(peerflags, OPT_CALLER_PARK))
1615                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PARKCALL);
1616
1617                         if (moh) {
1618                                 moh = 0;
1619                                 ast_moh_stop(chan);
1620                         } else if (sentringing) {
1621                                 sentringing = 0;
1622                                 ast_indicate(chan, -1);
1623                         }
1624                         /* Be sure no generators are left on it */
1625                         ast_deactivate_generator(chan);
1626                         /* Make sure channels are compatible */
1627                         res = ast_channel_make_compatible(chan, peer);
1628                         if (res < 0) {
1629                                 ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", chan->name, peer->name);
1630                                 ast_hangup(peer);
1631                                 res = -1;
1632                                 goto done;
1633                         }
1634                         if (opermode && !strncmp(chan->name,"Zap",3) && !strncmp(peer->name,"Zap",3)) {
1635                                 /* XXX what's this special handling for Zap <-> Zap ? */
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                         end_time = time(NULL);
1646                         snprintf(toast, sizeof(toast), "%ld", (long)(end_time - answer_time));
1647                         pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", toast);
1648                 }
1649
1650                 snprintf(toast, sizeof(toast), "%ld", (long)(end_time - start_time));
1651                 pbx_builtin_setvar_helper(chan, "DIALEDTIME", toast);
1652
1653                 if (res != AST_PBX_NO_HANGUP_PEER) {
1654                         if (!chan->_softhangup)
1655                                 chan->hangupcause = peer->hangupcause;
1656                         ast_hangup(peer);
1657                 }
1658         }       
1659 out:
1660         if (moh) {
1661                 moh = 0;
1662                 ast_moh_stop(chan);
1663         } else if (sentringing) {
1664                 sentringing = 0;
1665                 ast_indicate(chan, -1);
1666         }
1667         ast_channel_early_bridge(chan, NULL);
1668         hanguptree(outgoing, NULL);
1669         pbx_builtin_setvar_helper(chan, "DIALSTATUS", status);
1670         senddialendevent(chan, status);
1671         if (option_debug)
1672                 ast_log(LOG_DEBUG, "Exiting with DIALSTATUS=%s.\n", status);
1673         
1674         if ((ast_test_flag(peerflags, OPT_GO_ON)) && (!chan->_softhangup) && (res != AST_PBX_KEEPALIVE))
1675                 res = 0;
1676
1677 done:
1678         ast_module_user_remove(u);      /* XXX probably not the right place for this. */
1679         return res;
1680 }
1681
1682 static int dial_exec(struct ast_channel *chan, void *data)
1683 {
1684         struct ast_flags peerflags;
1685         memset(&peerflags, 0, sizeof(peerflags));
1686         return dial_exec_full(chan, data, &peerflags);
1687 }
1688
1689 static int retrydial_exec(struct ast_channel *chan, void *data)
1690 {
1691         char *announce = NULL, *dialdata = NULL;
1692         const char *context = NULL;
1693         int sleep = 0, loops = 0, res = -1;
1694         struct ast_module_user *u;
1695         struct ast_flags peerflags;
1696         
1697         if (ast_strlen_zero(data)) {
1698                 ast_log(LOG_WARNING, "RetryDial requires an argument!\n");
1699                 return -1;
1700         }       
1701
1702         u = ast_module_user_add(chan);
1703
1704         announce = ast_strdupa(data);
1705
1706         memset(&peerflags, 0, sizeof(peerflags));
1707
1708         if ((dialdata = strchr(announce, '|'))) {
1709                 *dialdata++ = '\0';
1710                 if ((sleep = atoi(dialdata))) {
1711                         sleep *= 1000;
1712                 } else {
1713                         ast_log(LOG_ERROR, "%s requires the numerical argument <sleep>\n",rapp);
1714                         goto done;
1715                 }
1716                 if ((dialdata = strchr(dialdata, '|'))) {
1717                         *dialdata++ = '\0';
1718                         if (!(loops = atoi(dialdata))) {
1719                                 ast_log(LOG_ERROR, "%s requires the numerical argument <loops>\n",rapp);
1720                                 goto done;
1721                         }
1722                 }
1723         }
1724         
1725         if ((dialdata = strchr(dialdata, '|'))) {
1726                 *dialdata++ = '\0';
1727         } else {
1728                 ast_log(LOG_ERROR, "%s requires more arguments\n",rapp);
1729                 goto done;
1730         }
1731                 
1732         if (sleep < 1000)
1733                 sleep = 10000;
1734
1735         if (!loops)
1736                 loops = -1;     /* run forever */
1737         
1738         context = pbx_builtin_getvar_helper(chan, "EXITCONTEXT");
1739
1740         res = 0;
1741         while (loops) {
1742                 chan->data = "Retrying";
1743                 if (ast_test_flag(chan, AST_FLAG_MOH))
1744                         ast_moh_stop(chan);
1745
1746                 if ((res = dial_exec_full(chan, dialdata, &peerflags)) == 0) {
1747                         if (ast_test_flag(&peerflags, OPT_DTMF_EXIT)) {
1748                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1749                                         res = ast_waitstream(chan, AST_DIGIT_ANY);
1750                                 if (!res && sleep) {
1751                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1752                                                 ast_moh_start(chan, NULL, NULL);
1753                                         res = ast_waitfordigit(chan, sleep);
1754                                 }
1755                         } else {
1756                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1757                                         res = ast_waitstream(chan, "");
1758                                 if (sleep) {
1759                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1760                                                 ast_moh_start(chan, NULL, NULL);
1761                                         if (!res) 
1762                                                 res = ast_waitfordigit(chan, sleep);
1763                                 }
1764                         }
1765                 }
1766
1767                 if (res < 0)
1768                         break;
1769                 else if (res > 0) { /* Trying to send the call elsewhere (1 digit ext) */
1770                         if (onedigit_goto(chan, context, (char) res, 1)) {
1771                                 res = 0;
1772                                 break;
1773                         }
1774                 }
1775                 loops--;
1776         }
1777         if (loops == 0)
1778                 res = 0;
1779         
1780         if (ast_test_flag(chan, AST_FLAG_MOH))
1781                 ast_moh_stop(chan);
1782 done:
1783         ast_module_user_remove(u);
1784         return res;
1785 }
1786
1787 static int unload_module(void)
1788 {
1789         int res;
1790
1791         res = ast_unregister_application(app);
1792         res |= ast_unregister_application(rapp);
1793
1794         ast_module_user_hangup_all();
1795         
1796         return res;
1797 }
1798
1799 static int load_module(void)
1800 {
1801         int res;
1802
1803         res = ast_register_application(app, dial_exec, synopsis, descrip);
1804         res |= ast_register_application(rapp, retrydial_exec, rsynopsis, rdescrip);
1805         
1806         return res;
1807 }
1808
1809 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Dialing Application");