These changes submitted by moy via bug 6992, to add a Dial 'End' event to asterisk...
[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 #define HANDLE_CAUSE(cause, chan) do { \
322         switch(cause) { \
323         case AST_CAUSE_BUSY: \
324                 if (chan->cdr) \
325                         ast_cdr_busy(chan->cdr); \
326                 numbusy++; \
327                 break; \
328         case AST_CAUSE_CONGESTION: \
329                 if (chan->cdr) \
330                         ast_cdr_failed(chan->cdr); \
331                 numcongestion++; \
332                 break; \
333         case AST_CAUSE_UNREGISTERED: \
334                 if (chan->cdr) \
335                         ast_cdr_failed(chan->cdr); \
336                 numnochan++; \
337                 break; \
338         case AST_CAUSE_NORMAL_CLEARING: \
339                 break; \
340         default: \
341                 numnochan++; \
342                 break; \
343         } \
344 } while (0)
345
346
347 static int onedigit_goto(struct ast_channel *chan, const char *context, char exten, int pri) 
348 {
349         char rexten[2] = { exten, '\0' };
350
351         if (context) {
352                 if (!ast_goto_if_exists(chan, context, rexten, pri))
353                         return 1;
354         } else {
355                 if (!ast_goto_if_exists(chan, chan->context, rexten, pri))
356                         return 1;
357                 else if (!ast_strlen_zero(chan->macrocontext)) {
358                         if (!ast_goto_if_exists(chan, chan->macrocontext, rexten, pri))
359                                 return 1;
360                 }
361         }
362         return 0;
363 }
364
365
366 static const char *get_cid_name(char *name, int namelen, struct ast_channel *chan)
367 {
368         const char *context = S_OR(chan->macrocontext, chan->context);
369         const char *exten = S_OR(chan->macroexten, chan->exten);
370
371         return ast_get_hint(NULL, 0, name, namelen, chan, context, exten) ? name : "";
372 }
373
374 static void senddialevent(struct ast_channel *src, struct ast_channel *dst)
375 {
376         manager_event(EVENT_FLAG_CALL, "Dial", 
377                            "SubEvent: Begin\r\n"
378                            "Source: %s\r\n"
379                            "Destination: %s\r\n"
380                            "CallerIDNum: %s\r\n"
381                            "CallerIDName: %s\r\n"
382                            "SrcUniqueID: %s\r\n"
383                            "DestUniqueID: %s\r\n",
384                            src->name, dst->name, S_OR(src->cid.cid_num, "<unknown>"),
385                            S_OR(src->cid.cid_name, "<unknown>"), src->uniqueid,
386                            dst->uniqueid);
387 }
388
389 static void senddialendevent(const struct ast_channel *src, const char *dialstatus)
390 {
391         manager_event(EVENT_FLAG_CALL, "Dial",
392                                         "SubEvent: End\r\n"
393                                         "Channel: %s\r\n"
394                                         "DialStatus: %s\r\n",
395                                         src->name, dialstatus);
396 }       
397
398 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, int busystart, int nochanstart, int congestionstart, int priority_jump, int *result)
399 {
400         int numbusy = busystart;
401         int numcongestion = congestionstart;
402         int numnochan = nochanstart;
403         int prestart = busystart + congestionstart + nochanstart;
404         int orig = *to;
405         struct ast_channel *peer = NULL;
406         /* single is set if only one destination is enabled */
407         int single = outgoing && !outgoing->next && !ast_test_flag(outgoing, OPT_MUSICBACK | OPT_RINGBACK);
408         
409         if (single) {
410                 /* Turn off hold music, etc */
411                 ast_deactivate_generator(in);
412                 /* If we are calling a single channel, make them compatible for in-band tone purpose */
413                 ast_channel_make_compatible(outgoing->chan, in);
414         }
415         
416         
417         while (*to && !peer) {
418                 struct dial_localuser *o;
419                 int pos = 0;    /* how many channels do we handle */
420                 int numlines = prestart;
421                 struct ast_channel *winner;
422                 struct ast_channel *watchers[AST_MAX_WATCHERS];
423
424                 watchers[pos++] = in;
425                 for (o = outgoing; o; o = o->next) {
426                         /* Keep track of important channels */
427                         if (ast_test_flag(o, DIAL_STILLGOING) && o->chan)
428                                 watchers[pos++] = o->chan;
429                         numlines++;
430                 }
431                 if (pos == 1) { /* only the input channel is available */
432                         if (numlines == (numbusy + numcongestion + numnochan)) {
433                                 if (option_verbose > 2)
434                                         ast_verbose( VERBOSE_PREFIX_2 "Everyone is busy/congested at this time (%d:%d/%d/%d)\n", numlines, numbusy, numcongestion, numnochan);
435                                 if (numbusy)
436                                         strcpy(status, "BUSY"); 
437                                 else if (numcongestion)
438                                         strcpy(status, "CONGESTION");
439                                 else if (numnochan)
440                                         strcpy(status, "CHANUNAVAIL");
441                                 if (ast_opt_priority_jumping || priority_jump)
442                                         ast_goto_if_exists(in, in->context, in->exten, in->priority + 101);
443                         } else {
444                                 if (option_verbose > 2)
445                                         ast_verbose(VERBOSE_PREFIX_3 "No one is available to answer at this time (%d:%d/%d/%d)\n", numlines, numbusy, numcongestion, numnochan);
446                         }
447                         *to = 0;
448                         return NULL;
449                 }
450                 winner = ast_waitfor_n(watchers, pos, to);
451                 for (o = outgoing; o; o = o->next) {
452                         struct ast_frame *f;
453                         struct ast_channel *c = o->chan;
454
455                         if (c == NULL)
456                                 continue;
457                         if (ast_test_flag(o, DIAL_STILLGOING) && c->_state == AST_STATE_UP) {
458                                 if (!peer) {
459                                         if (option_verbose > 2)
460                                                 ast_verbose(VERBOSE_PREFIX_3 "%s answered %s\n", c->name, in->name);
461                                         peer = c;
462                                         ast_copy_flags(peerflags, o,
463                                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
464                                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
465                                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
466                                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
467                                                        DIAL_NOFORWARDHTML);
468                                         ast_copy_string(c->context, "", sizeof(c->context));
469                                         ast_copy_string(c->exten, "", sizeof(c->exten));
470                                 }
471                                 continue;
472                         }
473                         if (c != winner)
474                                 continue;
475                         if (!ast_strlen_zero(c->call_forward)) {
476                                 char tmpchan[256];
477                                 char *stuff;
478                                 char *tech;
479                                 int cause;
480
481                                 ast_copy_string(tmpchan, c->call_forward, sizeof(tmpchan));
482                                 if ((stuff = strchr(tmpchan, '/'))) {
483                                         *stuff++ = '\0';
484                                         tech = tmpchan;
485                                 } else {
486                                         const char *forward_context = pbx_builtin_getvar_helper(c, "FORWARD_CONTEXT");
487                                         snprintf(tmpchan, sizeof(tmpchan), "%s@%s", c->call_forward, forward_context ? forward_context : c->context);
488                                         stuff = tmpchan;
489                                         tech = "Local";
490                                 }
491                                 /* Before processing channel, go ahead and check for forwarding */
492                                 o->forwards++;
493                                 if (o->forwards < AST_MAX_FORWARDS) {
494                                         if (option_verbose > 2)
495                                                 ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", in->name, tech, stuff, c->name);
496                                         /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
497                                         if (ast_test_flag(peerflags, OPT_IGNORE_FORWARDING)) {
498                                                 if (option_verbose > 2)
499                                                         ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n", in->name, tech, stuff);
500                                                 c = o->chan = NULL;
501                                                 cause = AST_CAUSE_BUSY;
502                                         } else {
503                                                 /* Setup parameters */
504                                                 c = o->chan = ast_request(tech, in->nativeformats, stuff, &cause);
505                                                 if (!c)
506                                                         ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
507                                                 else
508                                                         ast_channel_inherit_variables(in, o->chan);
509                                         }
510                                 } else {
511                                         if (option_verbose > 2)
512                                                 ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", c->name);
513                                         cause = AST_CAUSE_CONGESTION;
514                                         c = o->chan = NULL;
515                                 }
516                                 if (!c) {
517                                         ast_clear_flag(o, DIAL_STILLGOING);     
518                                         HANDLE_CAUSE(cause, in);
519                                 } else {
520                                         ast_rtp_make_compatible(c, in, single);
521                                         if (c->cid.cid_num)
522                                                 free(c->cid.cid_num);
523                                         c->cid.cid_num = NULL;
524                                         if (c->cid.cid_name)
525                                                 free(c->cid.cid_name);
526                                         c->cid.cid_name = NULL;
527
528                                         if (ast_test_flag(o, OPT_FORCECLID)) {
529                                                 c->cid.cid_num = ast_strdup(S_OR(in->macroexten, in->exten));
530                                                 ast_string_field_set(c, accountcode, winner->accountcode);
531                                                 c->cdrflags = winner->cdrflags;
532                                         } else {
533                                                 c->cid.cid_num = ast_strdup(in->cid.cid_num);
534                                                 c->cid.cid_name = ast_strdup(in->cid.cid_name);
535                                                 ast_string_field_set(c, accountcode, in->accountcode);
536                                                 c->cdrflags = in->cdrflags;
537                                         }
538
539                                         if (in->cid.cid_ani) {
540                                                 if (c->cid.cid_ani)
541                                                         free(c->cid.cid_ani);
542                                                 c->cid.cid_ani = ast_strdup(in->cid.cid_ani);
543                                         }
544                                         if (c->cid.cid_rdnis) 
545                                                 free(c->cid.cid_rdnis);
546                                         c->cid.cid_rdnis = ast_strdup(S_OR(in->macroexten, in->exten));
547                                         if (ast_call(c, tmpchan, 0)) {
548                                                 ast_log(LOG_NOTICE, "Failed to dial on local channel for call forward to '%s'\n", tmpchan);
549                                                 ast_clear_flag(o, DIAL_STILLGOING);     
550                                                 ast_hangup(c);
551                                                 c = o->chan = NULL;
552                                                 numnochan++;
553                                         } else {
554                                                 senddialevent(in, c);
555                                                 /* After calling, set callerid to extension */
556                                                 if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID)) {
557                                                         char cidname[AST_MAX_EXTENSION];
558                                                         ast_set_callerid(c, S_OR(in->macroexten, in->exten), get_cid_name(cidname, sizeof(cidname), in), NULL);
559                                                 }
560                                         }
561                                 }
562                                 /* Hangup the original channel now, in case we needed it */
563                                 ast_hangup(winner);
564                                 continue;
565                         }
566                         f = ast_read(winner);
567                         if (!f) {
568                                 in->hangupcause = c->hangupcause;
569                                 ast_hangup(c);
570                                 c = o->chan = NULL;
571                                 ast_clear_flag(o, DIAL_STILLGOING);
572                                 HANDLE_CAUSE(in->hangupcause, in);
573                                 continue;
574                         }
575                         if (f->frametype == AST_FRAME_CONTROL) {
576                                 switch(f->subclass) {
577                                 case AST_CONTROL_ANSWER:
578                                         /* This is our guy if someone answered. */
579                                         if (!peer) {
580                                                 if (option_verbose > 2)
581                                                         ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", c->name, in->name);
582                                                 peer = c;
583                                                 ast_copy_flags(peerflags, o,
584                                                                OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
585                                                                OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
586                                                                OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
587                                                                OPT_CALLEE_PARK | OPT_CALLER_PARK |
588                                                                DIAL_NOFORWARDHTML);
589                                                 ast_copy_string(c->context, "", sizeof(c->context));
590                                                 ast_copy_string(c->exten, "", sizeof(c->exten));
591                                                 /* Setup early bridge if appropriate */
592                                                 ast_channel_early_bridge(in, peer);
593                                         }
594                                         /* If call has been answered, then the eventual hangup is likely to be normal hangup */
595                                         in->hangupcause = AST_CAUSE_NORMAL_CLEARING;
596                                         c->hangupcause = AST_CAUSE_NORMAL_CLEARING;
597                                         break;
598                                 case AST_CONTROL_BUSY:
599                                         if (option_verbose > 2)
600                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is busy\n", c->name);
601                                         in->hangupcause = c->hangupcause;
602                                         ast_hangup(c);
603                                         c = o->chan = NULL;
604                                         ast_clear_flag(o, DIAL_STILLGOING);     
605                                         HANDLE_CAUSE(AST_CAUSE_BUSY, in);
606                                         break;
607                                 case AST_CONTROL_CONGESTION:
608                                         if (option_verbose > 2)
609                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is circuit-busy\n", c->name);
610                                         in->hangupcause = c->hangupcause;
611                                         ast_hangup(c);
612                                         c = o->chan = NULL;
613                                         ast_clear_flag(o, DIAL_STILLGOING);
614                                         HANDLE_CAUSE(AST_CAUSE_CONGESTION, in);
615                                         break;
616                                 case AST_CONTROL_RINGING:
617                                         if (option_verbose > 2)
618                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is ringing\n", c->name);
619                                         /* Setup early media if appropriate */
620                                         if (single)
621                                                 ast_channel_early_bridge(in, c);
622                                         if (!(*sentringing) && !ast_test_flag(outgoing, OPT_MUSICBACK)) {
623                                                 ast_indicate(in, AST_CONTROL_RINGING);
624                                                 (*sentringing)++;
625                                         }
626                                         break;
627                                 case AST_CONTROL_PROGRESS:
628                                         if (option_verbose > 2)
629                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is making progress passing it to %s\n", c->name, in->name);
630                                         /* Setup early media if appropriate */
631                                         if (single)
632                                                 ast_channel_early_bridge(in, c);
633                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
634                                                 ast_indicate(in, AST_CONTROL_PROGRESS);
635                                         break;
636                                 case AST_CONTROL_VIDUPDATE:
637                                         if (option_verbose > 2)
638                                                 ast_verbose (VERBOSE_PREFIX_3 "%s requested a video update, passing it to %s\n", c->name, in->name);
639                                         ast_indicate(in, AST_CONTROL_VIDUPDATE);
640                                         break;
641                                 case AST_CONTROL_PROCEEDING:
642                                         if (option_verbose > 2)
643                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is proceeding passing it to %s\n", c->name, in->name);
644                                         if (single)
645                                                 ast_channel_early_bridge(in, c);
646                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
647                                                 ast_indicate(in, AST_CONTROL_PROCEEDING);
648                                         break;
649                                 case AST_CONTROL_HOLD:
650                                         if (option_verbose > 2)
651                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s placed on hold\n", c->name);
652                                         ast_indicate(in, AST_CONTROL_HOLD);
653                                         break;
654                                 case AST_CONTROL_UNHOLD:
655                                         if (option_verbose > 2)
656                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s left from hold\n", c->name);
657                                         ast_indicate(in, AST_CONTROL_UNHOLD);
658                                         break;
659                                 case AST_CONTROL_OFFHOOK:
660                                 case AST_CONTROL_FLASH:
661                                         /* Ignore going off hook and flash */
662                                         break;
663                                 case -1:
664                                         if (!ast_test_flag(outgoing, OPT_RINGBACK | OPT_MUSICBACK)) {
665                                                 if (option_verbose > 2)
666                                                         ast_verbose(VERBOSE_PREFIX_3 "%s stopped sounds\n", c->name);
667                                                 ast_indicate(in, -1);
668                                                 (*sentringing) = 0;
669                                         }
670                                         break;
671                                 default:
672                                         if (option_debug)
673                                                 ast_log(LOG_DEBUG, "Dunno what to do with control type %d\n", f->subclass);
674                                 }
675                         } else if (single) {
676                                 /* XXX are we sure the logic is correct ? or we should just switch on f->frametype ? */
677                                 if (f->frametype == AST_FRAME_VOICE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
678                                         if (ast_write(in, f)) 
679                                                 ast_log(LOG_WARNING, "Unable to forward voice frame\n");
680                                 } else if (f->frametype == AST_FRAME_IMAGE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
681                                         if (ast_write(in, f))
682                                                 ast_log(LOG_WARNING, "Unable to forward image\n");
683                                 } else if (f->frametype == AST_FRAME_TEXT && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
684                                         if (ast_write(in, f))
685                                                 ast_log(LOG_WARNING, "Unable to send text\n");
686                                 } else if (f->frametype == AST_FRAME_HTML && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML)) {
687                                         if (ast_channel_sendhtml(in, f->subclass, f->data, f->datalen) == -1)
688                                                 ast_log(LOG_WARNING, "Unable to send URL\n");
689                                 }
690                         }
691                         ast_frfree(f);
692                 } /* end for */
693                 if (winner == in) {
694                         struct ast_frame *f = ast_read(in);
695 #if 0
696                         if (f && (f->frametype != AST_FRAME_VOICE))
697                                 printf("Frame type: %d, %d\n", f->frametype, f->subclass);
698                         else if (!f || (f->frametype != AST_FRAME_VOICE))
699                                 printf("Hangup received on %s\n", in->name);
700 #endif
701                         if (!f || ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP))) {
702                                 /* Got hung up */
703                                 *to = -1;
704                                 strcpy(status, "CANCEL");
705                                 if (f)
706                                         ast_frfree(f);
707                                 return NULL;
708                         }
709
710                         if (f && (f->frametype == AST_FRAME_DTMF)) {
711                                 if (ast_test_flag(peerflags, OPT_DTMF_EXIT)) {
712                                         const char *context = pbx_builtin_getvar_helper(in, "EXITCONTEXT");
713                                         if (onedigit_goto(in, context, (char) f->subclass, 1)) {
714                                                 if (option_verbose > 2)
715                                                         ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
716                                                 *to=0;
717                                                 *result = f->subclass;
718                                                 strcpy(status, "CANCEL");
719                                                 ast_frfree(f);
720                                                 return NULL;
721                                         }
722                                 }
723
724                                 if (ast_test_flag(peerflags, OPT_CALLER_HANGUP) && 
725                                                   (f->subclass == '*')) { /* hmm it it not guaranteed to be '*' anymore. */
726                                         if (option_verbose > 2)
727                                                 ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
728                                         *to=0;
729                                         strcpy(status, "CANCEL");
730                                         ast_frfree(f);
731                                         return NULL;
732                                 }
733                         }
734
735                         /* Forward HTML stuff */
736                         if (single && f && (f->frametype == AST_FRAME_HTML) && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML)) 
737                                 if(ast_channel_sendhtml(outgoing->chan, f->subclass, f->data, f->datalen) == -1)
738                                         ast_log(LOG_WARNING, "Unable to send URL\n");
739                         
740
741                         if (single && ((f->frametype == AST_FRAME_VOICE) || (f->frametype == AST_FRAME_DTMF)))  {
742                                 if (ast_write(outgoing->chan, f))
743                                         ast_log(LOG_WARNING, "Unable to forward voice\n");
744                         }
745                         if (single && (f->frametype == AST_FRAME_CONTROL) && 
746                                 ((f->subclass == AST_CONTROL_HOLD) || 
747                                  (f->subclass == AST_CONTROL_UNHOLD) || 
748                                  (f->subclass == AST_CONTROL_VIDUPDATE))) {
749                                 if (option_verbose > 2)
750                                         ast_verbose(VERBOSE_PREFIX_3 "%s requested special control %d, passing it to %s\n", in->name, f->subclass, outgoing->chan->name);
751                                 ast_indicate_data(outgoing->chan, f->subclass, f->data, f->datalen);
752                         }
753                         ast_frfree(f);
754                 }
755                 if (!*to && (option_verbose > 2))
756                         ast_verbose(VERBOSE_PREFIX_3 "Nobody picked up in %d ms\n", orig);
757         }
758
759         return peer;
760 }
761
762 static void replace_macro_delimiter(char *s)
763 {
764         for (; *s; s++)
765                 if (*s == '^')
766                         *s = '|';
767 }
768
769
770 /* returns true if there is a valid privacy reply */
771 static int valid_priv_reply(struct ast_flags *opts, int res)
772 {
773         if (res < '1')
774                 return 0;
775         if (ast_test_flag(opts, OPT_PRIVACY) && res <= '5')
776                 return 1;
777         if (ast_test_flag(opts, OPT_SCREENING) && res <= '4')
778                 return 1;
779         return 0;
780 }
781
782 static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags *peerflags)
783 {
784         int res = -1;
785         struct ast_module_user *u;
786         char *rest, *cur;
787         struct dial_localuser *outgoing = NULL;
788         struct ast_channel *peer;
789         int to;
790         int numbusy = 0;
791         int numcongestion = 0;
792         int numnochan = 0;
793         int cause;
794         char numsubst[AST_MAX_EXTENSION];
795         char cidname[AST_MAX_EXTENSION];
796         int privdb_val = 0;
797         unsigned int calldurationlimit = 0;
798         long timelimit = 0;
799         long play_warning = 0;
800         long warning_freq = 0;
801         const char *warning_sound = NULL;
802         const char *end_sound = NULL;
803         const char *start_sound = NULL;
804         char *dtmfcalled = NULL, *dtmfcalling = NULL;
805         char status[256];
806         int play_to_caller = 0, play_to_callee = 0;
807         int sentringing = 0, moh = 0;
808         const char *outbound_group = NULL;
809         int result = 0;
810         time_t start_time;
811         char privintro[1024];
812         char privcid[256];
813         char *parse;
814         int opermode = 0;
815         AST_DECLARE_APP_ARGS(args,
816                              AST_APP_ARG(peers);
817                              AST_APP_ARG(timeout);
818                              AST_APP_ARG(options);
819                              AST_APP_ARG(url);
820         );
821         struct ast_flags opts = { 0, };
822         char *opt_args[OPT_ARG_ARRAY_SIZE];
823
824         if (ast_strlen_zero(data)) {
825                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
826                 return -1;
827         }
828
829         u = ast_module_user_add(chan);
830
831         parse = ast_strdupa(data);
832
833         AST_STANDARD_APP_ARGS(args, parse);
834
835         if (!ast_strlen_zero(args.options) &&
836                         ast_app_parse_options(dial_exec_options, &opts, opt_args, args.options))
837                 goto done;
838
839         if (ast_strlen_zero(args.peers)) {
840                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
841                 goto done;
842         }
843
844         if (ast_test_flag(&opts, OPT_OPERMODE)) {
845                 if (ast_strlen_zero(opt_args[OPT_ARG_OPERMODE]))
846                         opermode = 1;
847                 else opermode = atoi(opt_args[OPT_ARG_OPERMODE]);
848                 if (option_verbose > 2)
849                         ast_verbose(VERBOSE_PREFIX_3 "Setting operator services mode to %d.\n", opermode);
850         }
851         
852         if (ast_test_flag(&opts, OPT_DURATION_STOP) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_STOP])) {
853                 calldurationlimit = atoi(opt_args[OPT_ARG_DURATION_STOP]);
854                 if (!calldurationlimit) {
855                         ast_log(LOG_WARNING, "Dial does not accept S(%s), hanging up.\n", opt_args[OPT_ARG_DURATION_STOP]);
856                         goto done;
857                 }
858                 if (option_verbose > 2)
859                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n", calldurationlimit);
860         }
861
862         if (ast_test_flag(&opts, OPT_SENDDTMF) && !ast_strlen_zero(opt_args[OPT_ARG_SENDDTMF])) {
863                 dtmfcalling = opt_args[OPT_ARG_SENDDTMF];
864                 dtmfcalled = strsep(&dtmfcalling, ":");
865         }
866
867         if (ast_test_flag(&opts, OPT_DURATION_LIMIT) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_LIMIT])) {
868                 char *limit_str, *warning_str, *warnfreq_str;
869                 const char *var;
870
871                 warnfreq_str = opt_args[OPT_ARG_DURATION_LIMIT];
872                 limit_str = strsep(&warnfreq_str, ":");
873                 warning_str = strsep(&warnfreq_str, ":");
874
875                 timelimit = atol(limit_str);
876                 if (warning_str)
877                         play_warning = atol(warning_str);
878                 if (warnfreq_str)
879                         warning_freq = atol(warnfreq_str);
880
881                 if (!timelimit) {
882                         ast_log(LOG_WARNING, "Dial does not accept L(%s), hanging up.\n", limit_str);
883                         goto done;
884                 } else if (play_warning > timelimit) {
885                         /* If the first warning is requested _after_ the entire call would end,
886                            and no warning frequency is requested, then turn off the warning. If
887                            a warning frequency is requested, reduce the 'first warning' time by
888                            that frequency until it falls within the call's total time limit.
889                         */
890
891                         if (!warning_freq) {
892                                 play_warning = 0;
893                         } else {
894                                 /* XXX fix this!! */
895                                 while (play_warning > timelimit)
896                                         play_warning -= warning_freq;
897                                 if (play_warning < 1)
898                                         play_warning = warning_freq = 0;
899                         }
900                 }
901
902                 var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLER");
903                 play_to_caller = var ? ast_true(var) : 1;
904                 
905                 var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLEE");
906                 play_to_callee = var ? ast_true(var) : 0;
907                 
908                 if (!play_to_caller && !play_to_callee)
909                         play_to_caller = 1;
910                 
911                 var = pbx_builtin_getvar_helper(chan,"LIMIT_WARNING_FILE");
912                 warning_sound = S_OR(var, "timeleft");
913                 
914                 var = pbx_builtin_getvar_helper(chan,"LIMIT_TIMEOUT_FILE");
915                 end_sound = S_OR(var, NULL);    /* XXX not much of a point in doing this! */
916                 
917                 var = pbx_builtin_getvar_helper(chan,"LIMIT_CONNECT_FILE");
918                 start_sound = S_OR(var, NULL);  /* XXX not much of a point in doing this! */
919
920                 /* undo effect of S(x) in case they are both used */
921                 calldurationlimit = 0;
922                 /* more efficient to do it like S(x) does since no advanced opts */
923                 if (!play_warning && !start_sound && !end_sound && timelimit) {
924                         calldurationlimit = timelimit / 1000;
925                         if (option_verbose > 2)
926                                 ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n", calldurationlimit);
927                         timelimit = play_to_caller = play_to_callee = play_warning = warning_freq = 0;
928                 } else if (option_verbose > 2) {
929                         ast_verbose(VERBOSE_PREFIX_3 "Limit Data for this call:\n");
930                         ast_verbose(VERBOSE_PREFIX_4 "timelimit      = %ld\n", timelimit);
931                         ast_verbose(VERBOSE_PREFIX_4 "play_warning   = %ld\n", play_warning);
932                         ast_verbose(VERBOSE_PREFIX_4 "play_to_caller = %s\n", play_to_caller ? "yes" : "no");
933                         ast_verbose(VERBOSE_PREFIX_4 "play_to_callee = %s\n", play_to_callee ? "yes" : "no");
934                         ast_verbose(VERBOSE_PREFIX_4 "warning_freq   = %ld\n", warning_freq);
935                         ast_verbose(VERBOSE_PREFIX_4 "start_sound    = %s\n", start_sound);
936                         ast_verbose(VERBOSE_PREFIX_4 "warning_sound  = %s\n", warning_sound);
937                         ast_verbose(VERBOSE_PREFIX_4 "end_sound      = %s\n", end_sound);
938                 }
939         }
940
941         if (ast_test_flag(&opts, OPT_RESETCDR) && chan->cdr)
942                 ast_cdr_reset(chan->cdr, NULL);
943         if (ast_test_flag(&opts, OPT_PRIVACY) && ast_strlen_zero(opt_args[OPT_ARG_PRIVACY]))
944                 opt_args[OPT_ARG_PRIVACY] = ast_strdupa(chan->exten);
945         if (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) {
946                 char callerid[60];
947                 char *l = chan->cid.cid_num;    /* XXX watch out, we are overwriting it */
948                 if (!ast_strlen_zero(l)) {
949                         ast_shrink_phone_number(l);
950                         if( ast_test_flag(&opts, OPT_PRIVACY) ) {
951                                 if (option_verbose > 2)
952                                         ast_verbose(VERBOSE_PREFIX_3  "Privacy DB is '%s', clid is '%s'\n",
953                                                      opt_args[OPT_ARG_PRIVACY], l);
954                                 privdb_val = ast_privacy_check(opt_args[OPT_ARG_PRIVACY], l);
955                         }
956                         else {
957                                 if (option_verbose > 2)
958                                         ast_verbose(VERBOSE_PREFIX_3  "Privacy Screening, clid is '%s'\n", l);
959                                 privdb_val = AST_PRIVACY_UNKNOWN;
960                         }
961                 } else {
962                         char *tnam, *tn2;
963
964                         tnam = ast_strdupa(chan->name);
965                         /* clean the channel name so slashes don't try to end up in disk file name */
966                         for(tn2 = tnam; *tn2; tn2++) {
967                                 if( *tn2=='/')
968                                         *tn2 = '=';  /* any other chars to be afraid of? */
969                         }
970                         if (option_verbose > 2)
971                                 ast_verbose(VERBOSE_PREFIX_3  "Privacy-- callerid is empty\n");
972
973                         snprintf(callerid, sizeof(callerid), "NOCALLERID_%s%s", chan->exten, tnam);
974                         l = callerid;
975                         privdb_val = AST_PRIVACY_UNKNOWN;
976                 }
977                 
978                 ast_copy_string(privcid,l,sizeof(privcid));
979
980                 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 */  
981                         if (option_verbose > 2)
982                                 ast_verbose( VERBOSE_PREFIX_3  "CallerID set (%s); N option set; Screening should be off\n", privcid);
983                         privdb_val = AST_PRIVACY_ALLOW;
984                 }
985                 else if(ast_test_flag(&opts, OPT_SCREEN_NOCLID) && strncmp(privcid,"NOCALLERID",10) == 0 ) {
986                         if (option_verbose > 2)
987                                 ast_verbose( VERBOSE_PREFIX_3  "CallerID blank; N option set; Screening should happen; dbval is %d\n", privdb_val);
988                 }
989                 
990                 if(privdb_val == AST_PRIVACY_DENY ) {
991                         ast_copy_string(status, "NOANSWER", sizeof(status));
992                         if (option_verbose > 2)
993                                 ast_verbose( VERBOSE_PREFIX_3  "Privacy DB reports PRIVACY_DENY for this callerid. Dial reports unavailable\n");
994                         res=0;
995                         goto out;
996                 }
997                 else if(privdb_val == AST_PRIVACY_KILL ) {
998                         ast_copy_string(status, "DONTCALL", sizeof(status));
999                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1000                                 ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 201);
1001                         }
1002                         res = 0;
1003                         goto out; /* Is this right? */
1004                 }
1005                 else if(privdb_val == AST_PRIVACY_TORTURE ) {
1006                         ast_copy_string(status, "TORTURE", sizeof(status));
1007                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1008                                 ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 301);
1009                         }
1010                         res = 0;
1011                         goto out; /* is this right??? */
1012                 }
1013                 else if(privdb_val == AST_PRIVACY_UNKNOWN ) {
1014                         /* Get the user's intro, store it in priv-callerintros/$CID, 
1015                            unless it is already there-- this should be done before the 
1016                            call is actually dialed  */
1017
1018                         /* make sure the priv-callerintros dir actually exists */
1019                         snprintf(privintro, sizeof(privintro), "%s/sounds/priv-callerintros", ast_config_AST_DATA_DIR);
1020                         if (mkdir(privintro, 0755) && errno != EEXIST) {
1021                                 ast_log(LOG_WARNING, "privacy: can't create directory priv-callerintros: %s\n", strerror(errno));
1022                                 res = -1;
1023                                 goto out;
1024                         }
1025
1026                         snprintf(privintro,sizeof(privintro), "priv-callerintros/%s", privcid);
1027                         if( ast_fileexists(privintro,NULL,NULL ) > 0 && strncmp(privcid,"NOCALLERID",10) != 0) {
1028                                 /* the DELUX version of this code would allow this caller the
1029                                    option to hear and retape their previously recorded intro.
1030                                 */
1031                         }
1032                         else {
1033                                 int duration; /* for feedback from play_and_wait */
1034                                 /* the file doesn't exist yet. Let the caller submit his
1035                                    vocal intro for posterity */
1036                                 /* priv-recordintro script:
1037
1038                                    "At the tone, please say your name:"
1039
1040                                 */
1041                                 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 */
1042                                                                                 /* don't think we'll need a lock removed, we took care of
1043                                                                                    conflicts by naming the privintro file */
1044                                 if (res == -1) {
1045                                         /* Delete the file regardless since they hung up during recording */
1046                                         ast_filedelete(privintro, NULL);
1047                                         if( ast_fileexists(privintro,NULL,NULL ) > 0 )
1048                                                 ast_log(LOG_NOTICE,"privacy: ast_filedelete didn't do its job on %s\n", privintro);
1049                                         else if (option_verbose > 2)
1050                                                 ast_verbose( VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", privintro);
1051                                         goto out;
1052                                 }
1053                                 if( !ast_streamfile(chan, "vm-dialout", chan->language) )
1054                                         ast_waitstream(chan, "");
1055                         }
1056                 }
1057         }
1058
1059         /* If a channel group has been specified, get it for use when we create peer channels */
1060         outbound_group = pbx_builtin_getvar_helper(chan, "OUTBOUND_GROUP");
1061
1062         ast_copy_flags(peerflags, &opts, OPT_DTMF_EXIT | OPT_GO_ON | OPT_ORIGINAL_CLID | OPT_CALLER_HANGUP | OPT_IGNORE_FORWARDING);
1063         /* loop through the list of dial destinations */
1064         rest = args.peers;
1065         while ((cur = strsep(&rest, "&")) ) {
1066                 struct dial_localuser *tmp;
1067                 /* Get a technology/[device:]number pair */
1068                 char *number = cur;
1069                 char *tech = strsep(&number, "/");
1070                 if (!number) {
1071                         ast_log(LOG_WARNING, "Dial argument takes format (technology/[device:]number1)\n");
1072                         goto out;
1073                 }
1074                 if (!(tmp = ast_calloc(1, sizeof(*tmp))))
1075                         goto out;
1076                 if (opts.flags) {
1077                         ast_copy_flags(tmp, &opts,
1078                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
1079                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
1080                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
1081                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
1082                                        OPT_RINGBACK | OPT_MUSICBACK | OPT_FORCECLID);
1083                         ast_set2_flag(tmp, args.url, DIAL_NOFORWARDHTML);       
1084                 }
1085                 ast_copy_string(numsubst, number, sizeof(numsubst));
1086                 /* Request the peer */
1087                 tmp->chan = ast_request(tech, chan->nativeformats, numsubst, &cause);
1088                 if (!tmp->chan) {
1089                         /* If we can't, just go on to the next call */
1090                         ast_log(LOG_WARNING, "Unable to create channel of type '%s' (cause %d - %s)\n", tech, cause, ast_cause2str(cause));
1091                         HANDLE_CAUSE(cause, chan);
1092                         if (!rest)      /* we are on the last destination */
1093                                 chan->hangupcause = cause;
1094                         continue;
1095                 }
1096                 pbx_builtin_setvar_helper(tmp->chan, "DIALEDPEERNUMBER", numsubst);
1097                 if (!ast_strlen_zero(tmp->chan->call_forward)) {
1098                         char tmpchan[256];
1099                         char *stuff;
1100                         char *tech;
1101                         ast_copy_string(tmpchan, tmp->chan->call_forward, sizeof(tmpchan));
1102                         if ((stuff = strchr(tmpchan, '/'))) {
1103                                 *stuff++ = '\0';
1104                                 tech = tmpchan;
1105                         } else {
1106                                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", tmp->chan->call_forward, tmp->chan->context);
1107                                 stuff = tmpchan;
1108                                 tech = "Local";
1109                         }
1110                         tmp->forwards++;
1111                         if (tmp->forwards < AST_MAX_FORWARDS) {
1112                                 if (option_verbose > 2)
1113                                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", chan->name, tech, stuff, tmp->chan->name);
1114                                 ast_hangup(tmp->chan);
1115                                 /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
1116                                 if (ast_test_flag(&opts, OPT_IGNORE_FORWARDING)) {
1117                                         tmp->chan = NULL;
1118                                         cause = AST_CAUSE_BUSY;
1119                                         if (option_verbose > 2)
1120                                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n", chan->name, tech, stuff);
1121                                 } else {
1122                                         tmp->chan = ast_request(tech, chan->nativeformats, stuff, &cause);
1123                                 }
1124                                 if (!tmp->chan)
1125                                         ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
1126                                 else
1127                                         ast_channel_inherit_variables(chan, tmp->chan);
1128                         } else {
1129                                 if (option_verbose > 2)
1130                                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", tmp->chan->name);
1131                                 ast_hangup(tmp->chan);
1132                                 tmp->chan = NULL;
1133                                 cause = AST_CAUSE_CONGESTION;
1134                         }
1135                         if (!tmp->chan) {
1136                                 HANDLE_CAUSE(cause, chan);
1137                                 continue;
1138                         }
1139                 }
1140
1141                 /* Setup outgoing SDP to match incoming one */
1142                 ast_rtp_make_compatible(tmp->chan, chan, !outgoing && !rest);
1143                 
1144                 /* Inherit specially named variables from parent channel */
1145                 ast_channel_inherit_variables(chan, tmp->chan);
1146
1147                 tmp->chan->appl = "AppDial";
1148                 tmp->chan->data = "(Outgoing Line)";
1149                 tmp->chan->whentohangup = 0;
1150
1151                 if (tmp->chan->cid.cid_num)
1152                         free(tmp->chan->cid.cid_num);
1153                 tmp->chan->cid.cid_num = ast_strdup(chan->cid.cid_num);
1154
1155                 if (tmp->chan->cid.cid_name)
1156                         free(tmp->chan->cid.cid_name);
1157                 tmp->chan->cid.cid_name = ast_strdup(chan->cid.cid_name);
1158
1159                 if (tmp->chan->cid.cid_ani)
1160                         free(tmp->chan->cid.cid_ani);
1161                 tmp->chan->cid.cid_ani = ast_strdup(chan->cid.cid_ani);
1162                 
1163                 /* Copy language from incoming to outgoing */
1164                 ast_string_field_set(tmp->chan, language, chan->language);
1165                 ast_string_field_set(tmp->chan, accountcode, chan->accountcode);
1166                 tmp->chan->cdrflags = chan->cdrflags;
1167                 if (ast_strlen_zero(tmp->chan->musicclass))
1168                         ast_string_field_set(tmp->chan, musicclass, chan->musicclass);
1169                 /* XXX don't we free previous values ? */
1170                 tmp->chan->cid.cid_rdnis = ast_strdup(chan->cid.cid_rdnis);
1171                 /* Pass callingpres setting */
1172                 tmp->chan->cid.cid_pres = chan->cid.cid_pres;
1173                 /* Pass type of number */
1174                 tmp->chan->cid.cid_ton = chan->cid.cid_ton;
1175                 /* Pass type of tns */
1176                 tmp->chan->cid.cid_tns = chan->cid.cid_tns;
1177                 /* Presense of ADSI CPE on outgoing channel follows ours */
1178                 tmp->chan->adsicpe = chan->adsicpe;
1179                 /* Pass the transfer capability */
1180                 tmp->chan->transfercapability = chan->transfercapability;
1181
1182                 /* If we have an outbound group, set this peer channel to it */
1183                 if (outbound_group)
1184                         ast_app_group_set_channel(tmp->chan, outbound_group);
1185
1186                 /* Inherit context and extension */
1187                 ast_copy_string(tmp->chan->context, chan->context, sizeof(tmp->chan->context));
1188                 ast_copy_string(tmp->chan->exten, chan->exten, sizeof(tmp->chan->exten));
1189
1190                 /* Place the call, but don't wait on the answer */
1191                 res = ast_call(tmp->chan, numsubst, 0);
1192
1193                 /* Save the info in cdr's that we called them */
1194                 if (chan->cdr)
1195                         ast_cdr_setdestchan(chan->cdr, tmp->chan->name);
1196
1197                 /* check the results of ast_call */
1198                 if (res) {
1199                         /* Again, keep going even if there's an error */
1200                         if (option_debug)
1201                                 ast_log(LOG_DEBUG, "ast call on peer returned %d\n", res);
1202                         if (option_verbose > 2)
1203                                 ast_verbose(VERBOSE_PREFIX_3 "Couldn't call %s\n", numsubst);
1204                         ast_hangup(tmp->chan);
1205                         tmp->chan = NULL;
1206                         continue;
1207                 } else {
1208                         senddialevent(chan, tmp->chan);
1209                         if (option_verbose > 2)
1210                                 ast_verbose(VERBOSE_PREFIX_3 "Called %s\n", numsubst);
1211                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID))
1212                                 ast_set_callerid(tmp->chan, S_OR(chan->macroexten, chan->exten), get_cid_name(cidname, sizeof(cidname), chan), NULL);
1213                 }
1214                 /* Put them in the list of outgoing thingies...  We're ready now. 
1215                    XXX If we're forcibly removed, these outgoing calls won't get
1216                    hung up XXX */
1217                 ast_set_flag(tmp, DIAL_STILLGOING);     
1218                 tmp->next = outgoing;
1219                 outgoing = tmp;
1220                 /* If this line is up, don't try anybody else */
1221                 if (outgoing->chan->_state == AST_STATE_UP)
1222                         break;
1223         }
1224         
1225         if (ast_strlen_zero(args.timeout)) {
1226                 to = -1;
1227         } else {
1228                 to = atoi(args.timeout);
1229                 if (to > 0)
1230                         to *= 1000;
1231                 else
1232                         ast_log(LOG_WARNING, "Invalid timeout specified: '%s'\n", args.timeout);
1233         }
1234
1235         if (!outgoing) {
1236                 strcpy(status, "CHANUNAVAIL");
1237         } else {
1238                 /* Our status will at least be NOANSWER */
1239                 strcpy(status, "NOANSWER");
1240                 if (ast_test_flag(outgoing, OPT_MUSICBACK)) {
1241                         moh = 1;
1242                         ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1243                 } else if (ast_test_flag(outgoing, OPT_RINGBACK)) {
1244                         ast_indicate(chan, AST_CONTROL_RINGING);
1245                         sentringing++;
1246                 }
1247         }
1248
1249         time(&start_time);
1250         peer = wait_for_answer(chan, outgoing, &to, peerflags, &sentringing, status, sizeof(status), numbusy, numnochan, numcongestion, ast_test_flag(&opts, OPT_PRIORITY_JUMP), &result);
1251         
1252         if (!peer) {
1253                 if (result) {
1254                         res = result;
1255                 } else if (to) { /* Musta gotten hung up */
1256                         res = -1;
1257                 } else { /* Nobody answered, next please? */
1258                         res = 0;
1259                 }
1260                 /* almost done, although the 'else' block is 400 lines */
1261         } else {
1262                 const char *number;
1263                 time_t end_time, answer_time = time(NULL);
1264
1265                 strcpy(status, "ANSWER");
1266                 /* Ah ha!  Someone answered within the desired timeframe.  Of course after this
1267                    we will always return with -1 so that it is hung up properly after the 
1268                    conversation.  */
1269                 hanguptree(outgoing, peer);
1270                 outgoing = NULL;
1271                 /* If appropriate, log that we have a destination channel */
1272                 if (chan->cdr)
1273                         ast_cdr_setdestchan(chan->cdr, peer->name);
1274                 if (peer->name)
1275                         pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", peer->name);
1276
1277                 number = pbx_builtin_getvar_helper(peer, "DIALEDPEERNUMBER");
1278                 if (!number)
1279                         number = numsubst;
1280                 pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", number);
1281                 if (!ast_strlen_zero(args.url) && ast_channel_supports_html(peer) ) {
1282                         if (option_debug)
1283                                 ast_log(LOG_DEBUG, "app_dial: sendurl=%s.\n", args.url);
1284                         ast_channel_sendurl( peer, args.url );
1285                 }
1286                 if ( (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) && privdb_val == AST_PRIVACY_UNKNOWN) {
1287                         int res2;
1288                         int loopcount = 0;
1289
1290                         /* Get the user's intro, store it in priv-callerintros/$CID, 
1291                            unless it is already there-- this should be done before the 
1292                            call is actually dialed  */
1293
1294                         /* all ring indications and moh for the caller has been halted as soon as the 
1295                            target extension was picked up. We are going to have to kill some
1296                            time and make the caller believe the peer hasn't picked up yet */
1297
1298                         if (ast_test_flag(&opts, OPT_MUSICBACK) && !ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
1299                                 ast_indicate(chan, -1);
1300                                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1301                         } else if (ast_test_flag(&opts, OPT_RINGBACK)) {
1302                                 ast_indicate(chan, AST_CONTROL_RINGING);
1303                                 sentringing++;
1304                         }
1305
1306                         /* Start autoservice on the other chan ?? */
1307                         res2 = ast_autoservice_start(chan);
1308                         /* Now Stream the File */
1309                         for (loopcount = 0; loopcount < 3; loopcount++) {
1310                                 if (res2 && loopcount == 0)     /* error in ast_autoservice_start() */
1311                                         break;
1312                                 if (!res2)      /* on timeout, play the message again */
1313                                         res2 = ast_play_and_wait(peer,"priv-callpending");
1314                                 if (!valid_priv_reply(&opts, res2))
1315                                         res2 = 0;
1316                                 /* priv-callpending script: 
1317                                    "I have a caller waiting, who introduces themselves as:"
1318                                 */
1319                                 if (!res2)
1320                                         res2 = ast_play_and_wait(peer,privintro);
1321                                 if (!valid_priv_reply(&opts, res2))
1322                                         res2 = 0;
1323                                 /* now get input from the called party, as to their choice */
1324                                 if( !res2 ) {
1325                                         /* XXX can we have both, or they are mutually exclusive ? */
1326                                         if( ast_test_flag(&opts, OPT_PRIVACY) )
1327                                                 res2 = ast_play_and_wait(peer,"priv-callee-options");
1328                                         if( ast_test_flag(&opts, OPT_SCREENING) )
1329                                                 res2 = ast_play_and_wait(peer,"screen-callee-options");
1330                                 }
1331                                 /*! \page DialPrivacy Dial Privacy scripts
1332                                 \par priv-callee-options script:
1333                                         "Dial 1 if you wish this caller to reach you directly in the future,
1334                                                 and immediately connect to their incoming call
1335                                          Dial 2 if you wish to send this caller to voicemail now and 
1336                                                 forevermore.
1337                                          Dial 3 to send this caller to the torture menus, now and forevermore.
1338                                          Dial 4 to send this caller to a simple "go away" menu, now and forevermore.
1339                                          Dial 5 to allow this caller to come straight thru to you in the future,
1340                                                 but right now, just this once, send them to voicemail."
1341                                 \par screen-callee-options script:
1342                                         "Dial 1 if you wish to immediately connect to the incoming call
1343                                          Dial 2 if you wish to send this caller to voicemail.
1344                                          Dial 3 to send this caller to the torture menus.
1345                                          Dial 4 to send this caller to a simple "go away" menu.
1346                                 */
1347                                 if (valid_priv_reply(&opts, res2))
1348                                         break;
1349                                 /* invalid option */
1350                                 res2 = ast_play_and_wait(peer, "vm-sorry");
1351                         }
1352
1353                         if (ast_test_flag(&opts, OPT_MUSICBACK)) {
1354                                 ast_moh_stop(chan);
1355                         } else if (ast_test_flag(&opts, OPT_RINGBACK)) {
1356                                 ast_indicate(chan, -1);
1357                                 sentringing=0;
1358                         }
1359                         ast_autoservice_stop(chan);
1360
1361                         switch (res2) {
1362                         case '1':
1363                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1364                                         if (option_verbose > 2)
1365                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to ALLOW\n",
1366                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1367                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_ALLOW);
1368                                 }
1369                                 break;
1370                         case '2':
1371                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1372                                         if (option_verbose > 2)
1373                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to DENY\n",
1374                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1375                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_DENY);
1376                                 }
1377                                 ast_copy_string(status, "NOANSWER", sizeof(status));
1378                                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1379                                 res=0;
1380                                 goto out;
1381                         case '3':
1382                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1383                                         if (option_verbose > 2)
1384                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to TORTURE\n",
1385                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1386                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_TORTURE);
1387                                 }
1388                                 ast_copy_string(status, "TORTURE", sizeof(status));
1389                                 
1390                                 res = 0;
1391                                 ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1392                                 goto out; /* Is this right? */
1393                         case '4':
1394                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1395                                         if (option_verbose > 2)
1396                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to KILL\n",
1397                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1398                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_KILL);
1399                                 }
1400
1401                                 ast_copy_string(status, "DONTCALL", sizeof(status));
1402                                 res = 0;
1403                                 ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1404                                 goto out; /* Is this right? */
1405                         case '5':
1406                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1407                                         if (option_verbose > 2)
1408                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to ALLOW\n",
1409                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1410                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_ALLOW);
1411                                         ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1412                                         res=0;
1413                                         goto out;
1414                                 } /* if not privacy, then 5 is the same as "default" case */
1415                         default:        /* bad input or -1 if failure to start autoservice */
1416                                 /* well, if the user messes up, ... he had his chance... What Is The Best Thing To Do?  */
1417                                 /* well, there seems basically two choices. Just patch the caller thru immediately,
1418                                           or,... put 'em thru to voicemail. */
1419                                 /* since the callee may have hung up, let's do the voicemail thing, no database decision */
1420                                 ast_log(LOG_NOTICE, "privacy: no valid response from the callee. Sending the caller to voicemail, the callee isn't responding\n");
1421                                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1422                                 res=0;
1423                                 goto out;
1424                         }
1425
1426                         /* XXX once again, this path is only taken in the case '1', so it could be
1427                          * moved there, although i am not really sure that this is correct - maybe
1428                          * the check applies to other cases as well.
1429                          */
1430                         /* if the intro is NOCALLERID, then there's no reason to leave it on disk, it'll 
1431                            just clog things up, and it's not useful information, not being tied to a CID */
1432                         if( strncmp(privcid,"NOCALLERID",10) == 0 || ast_test_flag(&opts, OPT_SCREEN_NOINTRO) ) {
1433                                 ast_filedelete(privintro, NULL);
1434                                 if( ast_fileexists(privintro, NULL, NULL ) > 0 )
1435                                         ast_log(LOG_NOTICE, "privacy: ast_filedelete didn't do its job on %s\n", privintro);
1436                                 else if (option_verbose > 2)
1437                                         ast_verbose(VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", privintro);
1438                         }
1439                 }
1440                 if (!ast_test_flag(&opts, OPT_ANNOUNCE) || ast_strlen_zero(opt_args[OPT_ARG_ANNOUNCE])) {
1441                         res = 0;
1442                 } else {
1443                         int digit = 0;
1444                         /* Start autoservice on the other chan */
1445                         res = ast_autoservice_start(chan);
1446                         /* Now Stream the File */
1447                         if (!res)
1448                                 res = ast_streamfile(peer, opt_args[OPT_ARG_ANNOUNCE], peer->language);
1449                         if (!res) {
1450                                 digit = ast_waitstream(peer, AST_DIGIT_ANY); 
1451                         }
1452                         /* Ok, done. stop autoservice */
1453                         res = ast_autoservice_stop(chan);
1454                         if (digit > 0 && !res)
1455                                 res = ast_senddigit(chan, digit); 
1456                         else
1457                                 res = digit;
1458
1459                 }
1460
1461                 if (chan && peer && ast_test_flag(&opts, OPT_GOTO) && !ast_strlen_zero(opt_args[OPT_ARG_GOTO])) {
1462                         replace_macro_delimiter(opt_args[OPT_ARG_GOTO]);
1463                         ast_parseable_goto(chan, opt_args[OPT_ARG_GOTO]);
1464                         ast_parseable_goto(peer, opt_args[OPT_ARG_GOTO]);
1465                         peer->priority++;
1466                         ast_pbx_start(peer);
1467                         hanguptree(outgoing, NULL);
1468                         res = 0;
1469                         goto done;
1470                 }
1471
1472                 if (ast_test_flag(&opts, OPT_CALLEE_MACRO) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_MACRO])) {
1473                         struct ast_app *theapp;
1474                         const char *macro_result;
1475
1476                         res = ast_autoservice_start(chan);
1477                         if (res) {
1478                                 ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
1479                                 res = -1;
1480                         }
1481
1482                         theapp = pbx_findapp("Macro");
1483
1484                         if (theapp && !res) {   /* XXX why check res here ? */
1485                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_MACRO]);
1486                                 res = pbx_exec(peer, theapp, opt_args[OPT_ARG_CALLEE_MACRO]);
1487                                 if (option_debug)
1488                                         ast_log(LOG_DEBUG, "Macro exited with status %d\n", res);
1489                                 res = 0;
1490                         } else {
1491                                 ast_log(LOG_ERROR, "Could not find application Macro\n");
1492                                 res = -1;
1493                         }
1494
1495                         if (ast_autoservice_stop(chan) < 0) {
1496                                 ast_log(LOG_ERROR, "Could not stop autoservice on calling channel\n");
1497                                 res = -1;
1498                         }
1499
1500                         if (!res && (macro_result = pbx_builtin_getvar_helper(peer, "MACRO_RESULT"))) {
1501                                         char *macro_transfer_dest;
1502
1503                                         if (!strcasecmp(macro_result, "BUSY")) {
1504                                                 ast_copy_string(status, macro_result, sizeof(status));
1505                                                 if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1506                                                         if (!ast_goto_if_exists(chan, NULL, NULL, chan->priority + 101)) {
1507                                                                 ast_set_flag(peerflags, OPT_GO_ON);
1508                                                         }
1509                                                 } else
1510                                                         ast_set_flag(peerflags, OPT_GO_ON);
1511                                                 res = -1;
1512                                         } else if (!strcasecmp(macro_result, "CONGESTION") || !strcasecmp(macro_result, "CHANUNAVAIL")) {
1513                                                 ast_copy_string(status, macro_result, sizeof(status));
1514                                                 ast_set_flag(peerflags, OPT_GO_ON);     
1515                                                 res = -1;
1516                                         } else if (!strcasecmp(macro_result, "CONTINUE")) {
1517                                                 /* hangup peer and keep chan alive assuming the macro has changed 
1518                                                    the context / exten / priority or perhaps 
1519                                                    the next priority in the current exten is desired.
1520                                                 */
1521                                                 ast_set_flag(peerflags, OPT_GO_ON);     
1522                                                 res = -1;
1523                                         } else if (!strcasecmp(macro_result, "ABORT")) {
1524                                                 /* Hangup both ends unless the caller has the g flag */
1525                                                 res = -1;
1526                                         } else if (!strncasecmp(macro_result, "GOTO:", 5) && (macro_transfer_dest = ast_strdupa(macro_result + 5))) {
1527                                                 res = -1;
1528                                                 /* perform a transfer to a new extension */
1529                                                 if (strchr(macro_transfer_dest, '^')) { /* context^exten^priority*/
1530                                                         replace_macro_delimiter(macro_transfer_dest);
1531                                                         if (!ast_parseable_goto(chan, macro_transfer_dest))
1532                                                                 ast_set_flag(peerflags, OPT_GO_ON);
1533
1534                                                 }
1535                                         }
1536                         }
1537                 }
1538
1539                 if (!res) {
1540                         if (calldurationlimit > 0) {
1541                                 chan->whentohangup = time(NULL) + calldurationlimit;
1542                         }
1543                         if (!ast_strlen_zero(dtmfcalled)) { 
1544                                 if (option_verbose > 2)
1545                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the called party.\n", dtmfcalled);
1546                                 res = ast_dtmf_stream(peer,chan,dtmfcalled,250);
1547                         }
1548                         if (!ast_strlen_zero(dtmfcalling)) {
1549                                 if (option_verbose > 2)
1550                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the calling party.\n", dtmfcalling);
1551                                 res = ast_dtmf_stream(chan,peer,dtmfcalling,250);
1552                         }
1553                 }
1554                 
1555                 if (!res) {
1556                         struct ast_bridge_config config;
1557
1558                         memset(&config,0,sizeof(struct ast_bridge_config));
1559                         if (play_to_caller)
1560                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PLAY_WARNING);
1561                         if (play_to_callee)
1562                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PLAY_WARNING);
1563                         if (ast_test_flag(peerflags, OPT_CALLEE_TRANSFER))
1564                                 ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
1565                         if (ast_test_flag(peerflags, OPT_CALLER_TRANSFER))
1566                                 ast_set_flag(&(config.features_caller), AST_FEATURE_REDIRECT);
1567                         if (ast_test_flag(peerflags, OPT_CALLEE_HANGUP))
1568                                 ast_set_flag(&(config.features_callee), AST_FEATURE_DISCONNECT);
1569                         if (ast_test_flag(peerflags, OPT_CALLER_HANGUP))
1570                                 ast_set_flag(&(config.features_caller), AST_FEATURE_DISCONNECT);
1571                         if (ast_test_flag(peerflags, OPT_CALLEE_MONITOR))
1572                                 ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
1573                         if (ast_test_flag(peerflags, OPT_CALLER_MONITOR)) 
1574                                 ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
1575                         if (ast_test_flag(peerflags, OPT_CALLEE_PARK))
1576                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PARKCALL);
1577                         if (ast_test_flag(peerflags, OPT_CALLER_PARK))
1578                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PARKCALL);
1579
1580                         config.timelimit = timelimit;
1581                         config.play_warning = play_warning;
1582                         config.warning_freq = warning_freq;
1583                         config.warning_sound = warning_sound;
1584                         config.end_sound = end_sound;
1585                         config.start_sound = start_sound;
1586                         if (moh) {
1587                                 moh = 0;
1588                                 ast_moh_stop(chan);
1589                         } else if (sentringing) {
1590                                 sentringing = 0;
1591                                 ast_indicate(chan, -1);
1592                         }
1593                         /* Be sure no generators are left on it */
1594                         ast_deactivate_generator(chan);
1595                         /* Make sure channels are compatible */
1596                         res = ast_channel_make_compatible(chan, peer);
1597                         if (res < 0) {
1598                                 ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", chan->name, peer->name);
1599                                 ast_hangup(peer);
1600                                 res = -1;
1601                                 goto done;
1602                         }
1603                         if (opermode && (!strncmp(chan->name,"Zap",3)) &&
1604                                 (!strncmp(peer->name,"Zap",3)))
1605                         {
1606                                 struct oprmode oprmode;
1607
1608                                 oprmode.peer = peer;
1609                                 oprmode.mode = opermode;
1610
1611                                 ast_channel_setoption(chan,
1612                                         AST_OPTION_OPRMODE,&oprmode,sizeof(struct oprmode),0);
1613                         }
1614                         res = ast_bridge_call(chan,peer,&config);
1615                         time(&end_time);
1616                         {
1617                                 char toast[80];
1618                                 snprintf(toast, sizeof(toast), "%ld", (long)(end_time - answer_time));
1619                                 pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", toast);
1620                         }
1621                 } else {
1622                         time(&end_time);
1623                         res = -1;
1624                 }
1625                 {
1626                         char toast[80];
1627                         snprintf(toast, sizeof(toast), "%ld", (long)(end_time - start_time));
1628                         pbx_builtin_setvar_helper(chan, "DIALEDTIME", toast);
1629                 }
1630                 
1631                 if (res != AST_PBX_NO_HANGUP_PEER) {
1632                         if (!chan->_softhangup)
1633                                 chan->hangupcause = peer->hangupcause;
1634                         ast_hangup(peer);
1635                 }
1636         }       
1637 out:
1638         if (moh) {
1639                 moh = 0;
1640                 ast_moh_stop(chan);
1641         } else if (sentringing) {
1642                 sentringing = 0;
1643                 ast_indicate(chan, -1);
1644         }
1645         ast_channel_early_bridge(chan, NULL);
1646         hanguptree(outgoing, NULL);
1647         pbx_builtin_setvar_helper(chan, "DIALSTATUS", status);
1648         senddialendevent(chan, status);
1649         if (option_debug)
1650                 ast_log(LOG_DEBUG, "Exiting with DIALSTATUS=%s.\n", status);
1651         
1652         if ((ast_test_flag(peerflags, OPT_GO_ON)) && (!chan->_softhangup) && (res != AST_PBX_KEEPALIVE))
1653                 res = 0;
1654
1655 done:
1656         ast_module_user_remove(u);    
1657         return res;
1658 }
1659
1660 static int dial_exec(struct ast_channel *chan, void *data)
1661 {
1662         struct ast_flags peerflags;
1663         memset(&peerflags, 0, sizeof(peerflags));
1664         return dial_exec_full(chan, data, &peerflags);
1665 }
1666
1667 static int retrydial_exec(struct ast_channel *chan, void *data)
1668 {
1669         char *announce = NULL, *dialdata = NULL;
1670         const char *context = NULL;
1671         int sleep = 0, loops = 0, res = -1;
1672         struct ast_module_user *u;
1673         struct ast_flags peerflags;
1674         
1675         if (ast_strlen_zero(data)) {
1676                 ast_log(LOG_WARNING, "RetryDial requires an argument!\n");
1677                 return -1;
1678         }       
1679
1680         u = ast_module_user_add(chan);
1681
1682         announce = ast_strdupa(data);
1683
1684         memset(&peerflags, 0, sizeof(peerflags));
1685
1686         if ((dialdata = strchr(announce, '|'))) {
1687                 *dialdata++ = '\0';
1688                 if ((sleep = atoi(dialdata))) {
1689                         sleep *= 1000;
1690                 } else {
1691                         ast_log(LOG_ERROR, "%s requires the numerical argument <sleep>\n",rapp);
1692                         goto done;
1693                 }
1694                 if ((dialdata = strchr(dialdata, '|'))) {
1695                         *dialdata++ = '\0';
1696                         if (!(loops = atoi(dialdata))) {
1697                                 ast_log(LOG_ERROR, "%s requires the numerical argument <loops>\n",rapp);
1698                                 goto done;
1699                         }
1700                 }
1701         }
1702         
1703         if ((dialdata = strchr(dialdata, '|'))) {
1704                 *dialdata++ = '\0';
1705         } else {
1706                 ast_log(LOG_ERROR, "%s requires more arguments\n",rapp);
1707                 goto done;
1708         }
1709                 
1710         if (sleep < 1000)
1711                 sleep = 10000;
1712
1713         if (!loops)
1714                 loops = -1;     /* run forever */
1715         
1716         context = pbx_builtin_getvar_helper(chan, "EXITCONTEXT");
1717
1718         res = 0;
1719         while (loops) {
1720                 chan->data = "Retrying";
1721                 if (ast_test_flag(chan, AST_FLAG_MOH))
1722                         ast_moh_stop(chan);
1723
1724                 if ((res = dial_exec_full(chan, dialdata, &peerflags)) == 0) {
1725                         if (ast_test_flag(&peerflags, OPT_DTMF_EXIT)) {
1726                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1727                                         res = ast_waitstream(chan, AST_DIGIT_ANY);
1728                                 if (!res && sleep) {
1729                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1730                                                 ast_moh_start(chan, NULL, NULL);
1731                                         res = ast_waitfordigit(chan, sleep);
1732                                 }
1733                         } else {
1734                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1735                                         res = ast_waitstream(chan, "");
1736                                 if (sleep) {
1737                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1738                                                 ast_moh_start(chan, NULL, NULL);
1739                                         if (!res) 
1740                                                 res = ast_waitfordigit(chan, sleep);
1741                                 }
1742                         }
1743                 }
1744
1745                 if (res < 0)
1746                         break;
1747                 else if (res > 0) { /* Trying to send the call elsewhere (1 digit ext) */
1748                         if (onedigit_goto(chan, context, (char) res, 1)) {
1749                                 res = 0;
1750                                 break;
1751                         }
1752                 }
1753                 loops--;
1754         }
1755         if (loops == 0)
1756                 res = 0;
1757         
1758         if (ast_test_flag(chan, AST_FLAG_MOH))
1759                 ast_moh_stop(chan);
1760 done:
1761         ast_module_user_remove(u);
1762         return res;
1763 }
1764
1765 static int unload_module(void)
1766 {
1767         int res;
1768
1769         res = ast_unregister_application(app);
1770         res |= ast_unregister_application(rapp);
1771
1772         ast_module_user_hangup_all();
1773         
1774         return res;
1775 }
1776
1777 static int load_module(void)
1778 {
1779         int res;
1780
1781         res = ast_register_application(app, dial_exec, synopsis, descrip);
1782         res |= ast_register_application(rapp, retrydial_exec, rsynopsis, rdescrip);
1783         
1784         return res;
1785 }
1786
1787 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Dialing Application");