5361bdc6a9122bf35c118bab83d72cba2fe172d5
[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 <netinet/in.h>
41
42 #include "asterisk/lock.h"
43 #include "asterisk/file.h"
44 #include "asterisk/logger.h"
45 #include "asterisk/channel.h"
46 #include "asterisk/pbx.h"
47 #include "asterisk/options.h"
48 #include "asterisk/module.h"
49 #include "asterisk/translate.h"
50 #include "asterisk/say.h"
51 #include "asterisk/config.h"
52 #include "asterisk/features.h"
53 #include "asterisk/musiconhold.h"
54 #include "asterisk/callerid.h"
55 #include "asterisk/utils.h"
56 #include "asterisk/app.h"
57 #include "asterisk/causes.h"
58 #include "asterisk/rtp.h"
59 #include "asterisk/manager.h"
60 #include "asterisk/privacy.h"
61 #include "asterisk/stringfields.h"
62
63 static char *app = "Dial";
64
65 static char *synopsis = "Place a call and connect to the current channel";
66
67 static char *descrip =
68 "  Dial(Technology/resource[&Tech2/resource2...][|timeout][|options][|URL]):\n"
69 "This applicaiton will place calls to one or more specified channels. As soon\n"
70 "as one of the requested channels answers, the originating channel will be\n"
71 "answered, if it has not already been answered. These two channels will then\n"
72 "be active in a bridged call. All other channels that were requested will then\n"
73 "be hung up.\n"
74 "  Unless there is a timeout specified, the Dial application will wait\n"
75 "indefinitely until one of the called channels answers, the user hangs up, or\n"
76 "if all of the called channels are busy or unavailable. Dialplan executing will\n"
77 "continue if no requested channels can be called, or if the timeout expires.\n\n"
78 "  This application sets the following channel variables upon completion:\n"
79 "    DIALEDTIME   - This is the time from dialing a channel until when it\n"
80 "                   is disconnected.\n" 
81 "    ANSWEREDTIME - This is the amount of time for actual call.\n"
82 "    DIALSTATUS   - This is the status of the call:\n"
83 "                   CHANUNAVAIL | CONGESTION | NOANSWER | BUSY | ANSWER | CANCEL\n" 
84 "                   DONTCALL | TORTURE\n"
85 "  For the Privacy and Screening Modes, the DIALSTATUS variable will be set to\n"
86 "DONTCALL if the called party chooses to send the calling party to the 'Go Away'\n"
87 "script. The DIALSTATUS variable will be set to TORTURE if the called party\n"
88 "wants to send the caller to the 'torture' script.\n"
89 "  This application will report normal termination if the originating channel\n"
90 "hangs up, or if the call is bridged and either of the parties in the bridge\n"
91 "ends the call.\n"
92 "  The optional URL will be sent to the called party if the channel supports it.\n"
93 "  If the OUTBOUND_GROUP variable is set, all peer channels created by this\n"
94 "application will be put into that group (as in Set(GROUP()=...).\n\n"
95 "  Options:\n"
96 "    A(x) - Play an announcement to the called party, using 'x' as the file.\n"
97 "    C    - Reset the CDR for this call.\n"
98 "    d    - Allow the calling user to dial a 1 digit extension while waiting for\n"
99 "           a call to be answered. Exit to that extension if it exists in the\n"
100 "           current context, or the context defined in the EXITCONTEXT variable,\n"
101 "           if it exists.\n"
102 "    D([called][:calling]) - Send the specified DTMF strings *after* the called\n"
103 "           party has answered, but before the call gets bridged. The 'called'\n"
104 "           DTMF string is sent to the called party, and the 'calling' DTMF\n"
105 "           string is sent to the calling party. Both parameters can be used\n"
106 "           alone.\n"   
107 "    f    - Force the callerid of the *calling* channel to be set as the\n"
108 "           extension associated with the channel using a dialplan 'hint'.\n"
109 "           For example, some PSTNs do not allow CallerID to be set to anything\n"
110 "           other than the number assigned to the caller.\n"
111 "    g    - Proceed with dialplan execution at the current extension if the\n"
112 "           destination channel hangs up.\n"
113 "    G(context^exten^pri) - If the call is answered, transfer the calling party to\n"
114 "           the specified priority and the called party to the specified priority+1.\n"
115 "           Optionally, an extension, or extension and context may be specified. \n"
116 "           Otherwise, the current extension is used. You cannot use any additional\n"
117 "           action post answer options in conjunction with this option.\n" 
118 "    h    - Allow the called party to hang up by sending the '*' DTMF digit.\n"
119 "    H    - Allow the calling party to hang up by hitting the '*' DTMF digit.\n"
120 "    i    - Asterisk will ignore any forwarding requests it may receive on this\n"
121 "           dial attempt.\n"
122 "    j    - Jump to priority n+101 if all of the requested channels were busy.\n"
123 "    L(x[:y][:z]) - Limit the call to 'x' ms. Play a warning when 'y' ms are\n"
124 "           left. Repeat the warning every 'z' ms. The following special\n"
125 "           variables can be used with this option:\n"
126 "           * LIMIT_PLAYAUDIO_CALLER   yes|no (default yes)\n"
127 "                                      Play sounds to the caller.\n"
128 "           * LIMIT_PLAYAUDIO_CALLEE   yes|no\n"
129 "                                      Play sounds to the callee.\n"
130 "           * LIMIT_TIMEOUT_FILE       File to play when time is up.\n"
131 "           * LIMIT_CONNECT_FILE       File to play when call begins.\n"
132 "           * LIMIT_WARNING_FILE       File to play as warning if 'y' is defined.\n"
133 "                                      The default is to say the time remaining.\n"
134 "    m([class]) - Provide hold music to the calling party until a requested\n"
135 "           channel answers. A specific MusicOnHold class can be\n"
136 "           specified.\n"
137 "    M(x[^arg]) - Execute the Macro for the *called* channel before connecting\n"
138 "           to the calling channel. Arguments can be specified to the Macro\n"
139 "           using '^' as a delimeter. The Macro can set the variable\n"
140 "           MACRO_RESULT to specify the following actions after the Macro is\n" 
141 "           finished executing.\n"
142 "           * ABORT        Hangup both legs of the call.\n"
143 "           * CONGESTION   Behave as if line congestion was encountered.\n"
144 "           * BUSY         Behave as if a busy signal was encountered. This will also\n"
145 "                          have the application jump to priority n+101 if the\n"
146 "                          'j' option is set.\n"
147 "           * CONTINUE     Hangup the called party and allow the calling party\n"
148 "                          to continue dialplan execution at the next priority.\n"
149 "           * GOTO:<context>^<exten>^<priority> - Transfer the call to the\n"
150 "                          specified priority. Optionally, an extension, or\n"
151 "                          extension and priority can be specified.\n"
152 "           You cannot use any additional action post answer options in conjunction\n"
153 "           with this option.\n"
154 "    n    - This option is a modifier for the screen/privacy mode. It specifies\n"
155 "           that no introductions are to be saved in the priv-callerintros\n"
156 "           directory.\n"
157 "    N    - This option is a modifier for the screen/privacy mode. It specifies\n"
158 "           that if callerID is present, do not screen the call.\n"
159 "    o    - Specify that the CallerID that was present on the *calling* channel\n"
160 "           be set as the CallerID on the *called* channel. This was the\n"
161 "           behavior of Asterisk 1.0 and earlier.\n"
162 "    O([x]) - \"Operator Services\" mode (Zaptel channel to Zaptel channel\n"
163 "             only, if specified on non-Zaptel interface, it will be ignored).\n"
164 "             When the destination answers (presumably an operator services\n"
165 "             station), the originator no longer has control of their line.\n"
166 "             They may hang up, but the switch will not release their line\n"
167 "             until the destination party hangs up (the operator). Specified\n"
168 "             without an arg, or with 1 as an arg, the originator hanging up\n"
169 "             will cause the phone to ring back immediately. With a 2 specified,\n"
170 "             when the \"operator\" flashes the trunk, it will ring their phone\n"
171 "             back.\n"
172 "    p    - This option enables screening mode. This is basically Privacy mode\n"
173 "           without memory.\n"
174 "    P([x]) - Enable privacy mode. Use 'x' as the family/key in the database if\n"
175 "           it is provided. The current extension is used if a database\n"
176 "           family/key is not specified.\n"
177 "    r    - Indicate ringing to the calling party. Pass no audio to the calling\n"
178 "           party until the called channel has answered.\n"
179 "    S(x) - Hang up the call after 'x' seconds *after* the called party has\n"
180 "           answered the call.\n"       
181 "    t    - Allow the called party to transfer the calling party by sending the\n"
182 "           DTMF sequence defined in features.conf.\n"
183 "    T    - Allow the calling party to transfer the called party by sending the\n"
184 "           DTMF sequence defined in features.conf.\n"
185 "    w    - Allow the called party to enable recording of the call by sending\n"
186 "           the DTMF sequence defined for one-touch recording in features.conf.\n"
187 "    W    - Allow the calling party to enable recording of the call by sending\n"
188 "           the DTMF sequence defined for one-touch recording in features.conf.\n"
189 "    k    - Allow the called party to enable parking of the call by sending\n"
190 "           the DTMF sequence defined for call parking in features.conf.\n"
191 "    K    - Allow the calling party to enable parking of the call by sending\n"
192 "           the DTMF sequence defined for call parking in features.conf.\n";
193
194 /* RetryDial App by Anthony Minessale II <anthmct@yahoo.com> Jan/2005 */
195 static char *rapp = "RetryDial";
196 static char *rsynopsis = "Place a call, retrying on failure allowing optional exit extension.";
197 static char *rdescrip =
198 "  RetryDial(announce|sleep|retries|dialargs): This application will attempt to\n"
199 "place a call using the normal Dial application. If no channel can be reached,\n"
200 "the 'announce' file will be played. Then, it will wait 'sleep' number of\n"
201 "seconds before retying the call. After 'retires' number of attempts, the\n"
202 "calling channel will continue at the next priority in the dialplan. If the\n"
203 "'retries' setting is set to 0, this application will retry endlessly.\n"
204 "  While waiting to retry a call, a 1 digit extension may be dialed. If that\n"
205 "extension exists in either the context defined in ${EXITCONTEXT} or the current\n"
206 "one, The call will jump to that extension immediately.\n"
207 "  The 'dialargs' are specified in the same format that arguments are provided\n"
208 "to the Dial application.\n";
209
210 enum {
211         OPT_ANNOUNCE =          (1 << 0),
212         OPT_RESETCDR =          (1 << 1),
213         OPT_DTMF_EXIT =         (1 << 2),
214         OPT_SENDDTMF =          (1 << 3),
215         OPT_FORCECLID =         (1 << 4),
216         OPT_GO_ON =             (1 << 5),
217         OPT_CALLEE_HANGUP =     (1 << 6),
218         OPT_CALLER_HANGUP =     (1 << 7),
219         OPT_PRIORITY_JUMP =     (1 << 8),
220         OPT_DURATION_LIMIT =    (1 << 9),
221         OPT_MUSICBACK =         (1 << 10),
222         OPT_CALLEE_MACRO =      (1 << 11),
223         OPT_SCREEN_NOINTRO =    (1 << 12),
224         OPT_SCREEN_NOCLID =     (1 << 13),
225         OPT_ORIGINAL_CLID =     (1 << 14),
226         OPT_SCREENING =         (1 << 15),
227         OPT_PRIVACY =           (1 << 16),
228         OPT_RINGBACK =          (1 << 17),
229         OPT_DURATION_STOP =     (1 << 18),
230         OPT_CALLEE_TRANSFER =   (1 << 19),
231         OPT_CALLER_TRANSFER =   (1 << 20),
232         OPT_CALLEE_MONITOR =    (1 << 21),
233         OPT_CALLER_MONITOR =    (1 << 22),
234         OPT_GOTO =              (1 << 23),
235         OPT_OPERMODE =          (1 << 24),
236         OPT_CALLEE_PARK =       (1 << 25),
237         OPT_CALLER_PARK =       (1 << 26),
238         OPT_IGNORE_FORWARDING = (1 << 27),
239 } dial_exec_option_flags;
240
241 #define DIAL_STILLGOING                 (1 << 30)
242 #define DIAL_NOFORWARDHTML              (1 << 31)
243
244 enum {
245         OPT_ARG_ANNOUNCE = 0,
246         OPT_ARG_SENDDTMF,
247         OPT_ARG_GOTO,
248         OPT_ARG_DURATION_LIMIT,
249         OPT_ARG_MUSICBACK,
250         OPT_ARG_CALLEE_MACRO,
251         OPT_ARG_PRIVACY,
252         OPT_ARG_DURATION_STOP,
253         OPT_ARG_OPERMODE,
254         /* note: this entry _MUST_ be the last one in the enum */
255         OPT_ARG_ARRAY_SIZE,
256 } dial_exec_option_args;
257
258 AST_APP_OPTIONS(dial_exec_options, {
259         AST_APP_OPTION_ARG('A', OPT_ANNOUNCE, OPT_ARG_ANNOUNCE),
260         AST_APP_OPTION('C', OPT_RESETCDR),
261         AST_APP_OPTION('d', OPT_DTMF_EXIT),
262         AST_APP_OPTION_ARG('D', OPT_SENDDTMF, OPT_ARG_SENDDTMF),
263         AST_APP_OPTION('f', OPT_FORCECLID),
264         AST_APP_OPTION('g', OPT_GO_ON),
265         AST_APP_OPTION_ARG('G', OPT_GOTO, OPT_ARG_GOTO),
266         AST_APP_OPTION('h', OPT_CALLEE_HANGUP),
267         AST_APP_OPTION('H', OPT_CALLER_HANGUP),
268         AST_APP_OPTION('i', OPT_IGNORE_FORWARDING),
269         AST_APP_OPTION('j', OPT_PRIORITY_JUMP),
270         AST_APP_OPTION_ARG('L', OPT_DURATION_LIMIT, OPT_ARG_DURATION_LIMIT),
271         AST_APP_OPTION_ARG('m', OPT_MUSICBACK, OPT_ARG_MUSICBACK),
272         AST_APP_OPTION_ARG('M', OPT_CALLEE_MACRO, OPT_ARG_CALLEE_MACRO),
273         AST_APP_OPTION('n', OPT_SCREEN_NOINTRO),
274         AST_APP_OPTION('N', OPT_SCREEN_NOCLID),
275         AST_APP_OPTION_ARG('O', OPT_OPERMODE,OPT_ARG_OPERMODE),
276         AST_APP_OPTION('o', OPT_ORIGINAL_CLID),
277         AST_APP_OPTION('p', OPT_SCREENING),
278         AST_APP_OPTION_ARG('P', OPT_PRIVACY, OPT_ARG_PRIVACY),
279         AST_APP_OPTION('r', OPT_RINGBACK),
280         AST_APP_OPTION_ARG('S', OPT_DURATION_STOP, OPT_ARG_DURATION_STOP),
281         AST_APP_OPTION('t', OPT_CALLEE_TRANSFER),
282         AST_APP_OPTION('T', OPT_CALLER_TRANSFER),
283         AST_APP_OPTION('w', OPT_CALLEE_MONITOR),
284         AST_APP_OPTION('W', OPT_CALLER_MONITOR),
285         AST_APP_OPTION('k', OPT_CALLEE_PARK),
286         AST_APP_OPTION('K', OPT_CALLER_PARK),
287 });
288
289 /* We define a custom "local user" structure because we
290    use it not only for keeping track of what is in use but
291    also for keeping track of who we're dialing. */
292
293 struct dial_localuser {
294         struct ast_channel *chan;
295         unsigned int flags;
296         int forwards;
297         struct dial_localuser *next;
298 };
299
300 LOCAL_USER_DECL;
301
302 static void hanguptree(struct dial_localuser *outgoing, struct ast_channel *exception)
303 {
304         /* Hang up a tree of stuff */
305         struct dial_localuser *oo;
306         while (outgoing) {
307                 /* Hangup any existing lines we have open */
308                 if (outgoing->chan && (outgoing->chan != exception))
309                         ast_hangup(outgoing->chan);
310                 oo = outgoing;
311                 outgoing=outgoing->next;
312                 free(oo);
313         }
314 }
315
316 #define AST_MAX_FORWARDS   8
317
318 #define AST_MAX_WATCHERS 256
319
320 #define HANDLE_CAUSE(cause, chan) do { \
321         switch(cause) { \
322         case AST_CAUSE_BUSY: \
323                 if (chan->cdr) \
324                         ast_cdr_busy(chan->cdr); \
325                 numbusy++; \
326                 break; \
327         case AST_CAUSE_CONGESTION: \
328                 if (chan->cdr) \
329                         ast_cdr_failed(chan->cdr); \
330                 numcongestion++; \
331                 break; \
332         case AST_CAUSE_UNREGISTERED: \
333                 if (chan->cdr) \
334                         ast_cdr_failed(chan->cdr); \
335                 numnochan++; \
336                 break; \
337         case AST_CAUSE_NORMAL_CLEARING: \
338                 break; \
339         default: \
340                 numnochan++; \
341                 break; \
342         } \
343 } while (0)
344
345
346 static int onedigit_goto(struct ast_channel *chan, const char *context, char exten, int pri) 
347 {
348         char rexten[2] = { exten, '\0' };
349
350         if (context) {
351                 if (!ast_goto_if_exists(chan, context, rexten, pri))
352                         return 1;
353         } else {
354                 if (!ast_goto_if_exists(chan, chan->context, rexten, pri))
355                         return 1;
356                 else if (!ast_strlen_zero(chan->macrocontext)) {
357                         if (!ast_goto_if_exists(chan, chan->macrocontext, rexten, pri))
358                                 return 1;
359                 }
360         }
361         return 0;
362 }
363
364
365 static const char *get_cid_name(char *name, int namelen, struct ast_channel *chan)
366 {
367         const char *context = S_OR(chan->macrocontext, chan->context);
368         const char *exten = S_OR(chan->macroexten, chan->exten);
369
370         return ast_get_hint(NULL, 0, name, namelen, chan, context, exten) ? name : "";
371 }
372
373 static void senddialevent(struct ast_channel *src, struct ast_channel *dst)
374 {
375         /* XXX do we need also CallerIDnum ? */
376         manager_event(EVENT_FLAG_CALL, "Dial", 
377                            "Source: %s\r\n"
378                            "Destination: %s\r\n"
379                            "CallerID: %s\r\n"
380                            "CallerIDName: %s\r\n"
381                            "SrcUniqueID: %s\r\n"
382                            "DestUniqueID: %s\r\n",
383                            src->name, dst->name, S_OR(src->cid.cid_num, "<unknown>"),
384                            S_OR(src->cid.cid_name, "<unknown>"), src->uniqueid,
385                            dst->uniqueid);
386 }
387
388 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)
389 {
390         int numbusy = busystart;
391         int numcongestion = congestionstart;
392         int numnochan = nochanstart;
393         int prestart = busystart + congestionstart + nochanstart;
394         int orig = *to;
395         struct ast_channel *peer = NULL;
396         /* single is set if only one destination is enabled */
397         int single = outgoing && !outgoing->next && !ast_test_flag(outgoing, OPT_MUSICBACK | OPT_RINGBACK);
398         
399         if (single) {
400                 /* Turn off hold music, etc */
401                 ast_deactivate_generator(in);
402                 /* If we are calling a single channel, make them compatible for in-band tone purpose */
403                 ast_channel_make_compatible(outgoing->chan, in);
404         }
405         
406         
407         while (*to && !peer) {
408                 struct dial_localuser *o;
409                 int pos = 0;    /* how many channels do we handle */
410                 int numlines = prestart;
411                 struct ast_channel *winner;
412                 struct ast_channel *watchers[AST_MAX_WATCHERS];
413
414                 watchers[pos++] = in;
415                 for (o = outgoing; o; o = o->next) {
416                         /* Keep track of important channels */
417                         if (ast_test_flag(o, DIAL_STILLGOING) && o->chan)
418                                 watchers[pos++] = o->chan;
419                         numlines++;
420                 }
421                 if (pos == 1) { /* only the input channel is available */
422                         if (numlines == (numbusy + numcongestion + numnochan)) {
423                                 if (option_verbose > 2)
424                                         ast_verbose( VERBOSE_PREFIX_2 "Everyone is busy/congested at this time (%d:%d/%d/%d)\n", numlines, numbusy, numcongestion, numnochan);
425                                 if (numbusy)
426                                         strcpy(status, "BUSY"); 
427                                 else if (numcongestion)
428                                         strcpy(status, "CONGESTION");
429                                 else if (numnochan)
430                                         strcpy(status, "CHANUNAVAIL");
431                                 if (ast_opt_priority_jumping || priority_jump)
432                                         ast_goto_if_exists(in, in->context, in->exten, in->priority + 101);
433                         } else {
434                                 if (option_verbose > 2)
435                                         ast_verbose(VERBOSE_PREFIX_3 "No one is available to answer at this time (%d:%d/%d/%d)\n", numlines, numbusy, numcongestion, numnochan);
436                         }
437                         *to = 0;
438                         return NULL;
439                 }
440                 winner = ast_waitfor_n(watchers, pos, to);
441                 for (o = outgoing; o; o = o->next) {
442                         struct ast_frame *f;
443                         struct ast_channel *c = o->chan;
444
445                         if (c == NULL)
446                                 continue;
447                         if (ast_test_flag(o, DIAL_STILLGOING) && c->_state == AST_STATE_UP) {
448                                 if (!peer) {
449                                         if (option_verbose > 2)
450                                                 ast_verbose(VERBOSE_PREFIX_3 "%s answered %s\n", c->name, in->name);
451                                         peer = c;
452                                         ast_copy_flags(peerflags, o,
453                                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
454                                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
455                                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
456                                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
457                                                        DIAL_NOFORWARDHTML);
458                                 }
459                                 continue;
460                         }
461                         if (c != winner)
462                                 continue;
463                         if (!ast_strlen_zero(c->call_forward)) {
464                                 char tmpchan[256];
465                                 char *stuff;
466                                 char *tech;
467                                 int cause;
468
469                                 ast_copy_string(tmpchan, c->call_forward, sizeof(tmpchan));
470                                 if ((stuff = strchr(tmpchan, '/'))) {
471                                         *stuff++ = '\0';
472                                         tech = tmpchan;
473                                 } else {
474                                         const char *forward_context = pbx_builtin_getvar_helper(c, "FORWARD_CONTEXT");
475                                         snprintf(tmpchan, sizeof(tmpchan), "%s@%s", c->call_forward, forward_context ? forward_context : c->context);
476                                         stuff = tmpchan;
477                                         tech = "Local";
478                                 }
479                                 /* Before processing channel, go ahead and check for forwarding */
480                                 o->forwards++;
481                                 if (o->forwards < AST_MAX_FORWARDS) {
482                                         if (option_verbose > 2)
483                                                 ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", in->name, tech, stuff, c->name);
484                                         /* Setup parameters */
485                                         c = o->chan = ast_request(tech, in->nativeformats, stuff, &cause);
486                                         /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
487                                         if (ast_test_flag(peerflags, OPT_IGNORE_FORWARDING)) {
488                                                 if (option_verbose > 2)
489                                                         ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n", in->name, tech, stuff);
490                                                 c = o->chan = NULL;
491                                                 cause = AST_CAUSE_BUSY;
492                                         } else {
493                                                 /* Setup parameters */
494                                                 c = o->chan = ast_request(tech, in->nativeformats, stuff, &cause);
495                                                 if (!c)
496                                                         ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
497                                                 else
498                                                         ast_channel_inherit_variables(in, o->chan);
499                                         }
500                                 } else {
501                                         if (option_verbose > 2)
502                                                 ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", c->name);
503                                         cause = AST_CAUSE_CONGESTION;
504                                         c = o->chan = NULL;
505                                 }
506                                 if (!c) {
507                                         ast_clear_flag(o, DIAL_STILLGOING);     
508                                         HANDLE_CAUSE(cause, in);
509                                 } else {
510                                         ast_rtp_make_compatible(c, in, single);
511                                         if (c->cid.cid_num)
512                                                 free(c->cid.cid_num);
513                                         c->cid.cid_num = NULL;
514                                         if (c->cid.cid_name)
515                                                 free(c->cid.cid_name);
516                                         c->cid.cid_name = NULL;
517
518                                         if (ast_test_flag(o, OPT_FORCECLID)) {
519                                                 c->cid.cid_num = ast_strdup(S_OR(in->macroexten, in->exten));
520                                                 ast_string_field_set(c, accountcode, winner->accountcode);
521                                                 c->cdrflags = winner->cdrflags;
522                                         } else {
523                                                 c->cid.cid_num = ast_strdup(in->cid.cid_num);
524                                                 c->cid.cid_name = ast_strdup(in->cid.cid_name);
525                                                 ast_string_field_set(c, accountcode, in->accountcode);
526                                                 c->cdrflags = in->cdrflags;
527                                         }
528
529                                         if (in->cid.cid_ani) {
530                                                 if (c->cid.cid_ani)
531                                                         free(c->cid.cid_ani);
532                                                 c->cid.cid_ani = ast_strdup(in->cid.cid_ani);
533                                         }
534                                         if (c->cid.cid_rdnis) 
535                                                 free(c->cid.cid_rdnis);
536                                         c->cid.cid_rdnis = ast_strdup(S_OR(in->macroexten, in->exten));
537                                         if (ast_call(c, tmpchan, 0)) {
538                                                 ast_log(LOG_NOTICE, "Failed to dial on local channel for call forward to '%s'\n", tmpchan);
539                                                 ast_clear_flag(o, DIAL_STILLGOING);     
540                                                 ast_hangup(c);
541                                                 c = o->chan = NULL;
542                                                 numnochan++;
543                                         } else {
544                                                 senddialevent(in, c);
545                                                 /* After calling, set callerid to extension */
546                                                 if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID)) {
547                                                         char cidname[AST_MAX_EXTENSION];
548                                                         ast_set_callerid(c, S_OR(in->macroexten, in->exten), get_cid_name(cidname, sizeof(cidname), in), NULL);
549                                                 }
550                                         }
551                                 }
552                                 /* Hangup the original channel now, in case we needed it */
553                                 ast_hangup(winner);
554                                 continue;
555                         }
556                         f = ast_read(winner);
557                         if (!f) {
558                                 in->hangupcause = c->hangupcause;
559                                 ast_hangup(c);
560                                 c = o->chan = NULL;
561                                 ast_clear_flag(o, DIAL_STILLGOING);
562                                 HANDLE_CAUSE(in->hangupcause, in);
563                                 continue;
564                         }
565                         if (f->frametype == AST_FRAME_CONTROL) {
566                                 switch(f->subclass) {
567                                 case AST_CONTROL_ANSWER:
568                                         /* This is our guy if someone answered. */
569                                         if (!peer) {
570                                                 if (option_verbose > 2)
571                                                         ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", c->name, in->name);
572                                                 peer = c;
573                                                 ast_copy_flags(peerflags, o,
574                                                                OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
575                                                                OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
576                                                                OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
577                                                                OPT_CALLEE_PARK | OPT_CALLER_PARK |
578                                                                DIAL_NOFORWARDHTML);
579                                                 /* Setup RTP early bridge if appropriate */
580                                                 ast_rtp_early_bridge(in, peer);
581                                         }
582                                         /* If call has been answered, then the eventual hangup is likely to be normal hangup */
583                                         in->hangupcause = AST_CAUSE_NORMAL_CLEARING;
584                                         c->hangupcause = AST_CAUSE_NORMAL_CLEARING;
585                                         break;
586                                 case AST_CONTROL_BUSY:
587                                         if (option_verbose > 2)
588                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is busy\n", c->name);
589                                         in->hangupcause = c->hangupcause;
590                                         ast_hangup(c);
591                                         c = o->chan = NULL;
592                                         ast_clear_flag(o, DIAL_STILLGOING);     
593                                         HANDLE_CAUSE(AST_CAUSE_BUSY, in);
594                                         break;
595                                 case AST_CONTROL_CONGESTION:
596                                         if (option_verbose > 2)
597                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is circuit-busy\n", c->name);
598                                         in->hangupcause = c->hangupcause;
599                                         ast_hangup(c);
600                                         c = o->chan = NULL;
601                                         ast_clear_flag(o, DIAL_STILLGOING);
602                                         HANDLE_CAUSE(AST_CAUSE_CONGESTION, in);
603                                         break;
604                                 case AST_CONTROL_RINGING:
605                                         if (option_verbose > 2)
606                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is ringing\n", c->name);
607                                         /* Setup early media if appropriate */
608                                         if (single)
609                                                 ast_rtp_early_bridge(in, c);
610                                         if (!(*sentringing) && !ast_test_flag(outgoing, OPT_MUSICBACK)) {
611                                                 ast_indicate(in, AST_CONTROL_RINGING);
612                                                 (*sentringing)++;
613                                         }
614                                         break;
615                                 case AST_CONTROL_PROGRESS:
616                                         if (option_verbose > 2)
617                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is making progress passing it to %s\n", c->name, in->name);
618                                         /* Setup early media if appropriate */
619                                         if (single)
620                                                 ast_rtp_early_bridge(in, c);
621                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
622                                                 ast_indicate(in, AST_CONTROL_PROGRESS);
623                                         break;
624                                 case AST_CONTROL_VIDUPDATE:
625                                         if (option_verbose > 2)
626                                                 ast_verbose (VERBOSE_PREFIX_3 "%s requested a video update, passing it to %s\n", c->name, in->name);
627                                         ast_indicate(in, AST_CONTROL_VIDUPDATE);
628                                         break;
629                                 case AST_CONTROL_PROCEEDING:
630                                         if (option_verbose > 2)
631                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is proceeding passing it to %s\n", c->name, in->name);
632                                         if (single)
633                                                 ast_rtp_early_bridge(in, c);
634                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
635                                                 ast_indicate(in, AST_CONTROL_PROCEEDING);
636                                         break;
637                                 case AST_CONTROL_HOLD:
638                                         if (option_verbose > 2)
639                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s placed on hold\n", c->name);
640                                         ast_indicate(in, AST_CONTROL_HOLD);
641                                         break;
642                                 case AST_CONTROL_UNHOLD:
643                                         if (option_verbose > 2)
644                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s left from hold\n", c->name);
645                                         ast_indicate(in, AST_CONTROL_UNHOLD);
646                                         break;
647                                 case AST_CONTROL_OFFHOOK:
648                                 case AST_CONTROL_FLASH:
649                                         /* Ignore going off hook and flash */
650                                         break;
651                                 case -1:
652                                         if (!ast_test_flag(outgoing, OPT_RINGBACK | OPT_MUSICBACK)) {
653                                                 if (option_verbose > 2)
654                                                         ast_verbose(VERBOSE_PREFIX_3 "%s stopped sounds\n", c->name);
655                                                 ast_indicate(in, -1);
656                                                 (*sentringing) = 0;
657                                         }
658                                         break;
659                                 default:
660                                         if (option_debug)
661                                                 ast_log(LOG_DEBUG, "Dunno what to do with control type %d\n", f->subclass);
662                                 }
663                         } else if (single) {
664                                 /* XXX are we sure the logic is correct ? or we should just switch on f->frametype ? */
665                                 if (f->frametype == AST_FRAME_VOICE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
666                                         if (ast_write(in, f)) 
667                                                 ast_log(LOG_WARNING, "Unable to forward voice frame\n");
668                                 } else if (f->frametype == AST_FRAME_IMAGE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
669                                         if (ast_write(in, f))
670                                                 ast_log(LOG_WARNING, "Unable to forward image\n");
671                                 } else if (f->frametype == AST_FRAME_TEXT && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
672                                         if (ast_write(in, f))
673                                                 ast_log(LOG_WARNING, "Unable to send text\n");
674                                 } else if (f->frametype == AST_FRAME_HTML && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML)) {
675                                         if (ast_channel_sendhtml(in, f->subclass, f->data, f->datalen) == -1)
676                                                 ast_log(LOG_WARNING, "Unable to send URL\n");
677                                 }
678                         }
679                         ast_frfree(f);
680                 } /* end for */
681                 if (winner == in) {
682                         struct ast_frame *f = ast_read(in);
683 #if 0
684                         if (f && (f->frametype != AST_FRAME_VOICE))
685                                 printf("Frame type: %d, %d\n", f->frametype, f->subclass);
686                         else if (!f || (f->frametype != AST_FRAME_VOICE))
687                                 printf("Hangup received on %s\n", in->name);
688 #endif
689                         if (!f || ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP))) {
690                                 /* Got hung up */
691                                 *to = -1;
692                                 strcpy(status, "CANCEL");
693                                 if (f)
694                                         ast_frfree(f);
695                                 return NULL;
696                         }
697
698                         if (f && (f->frametype == AST_FRAME_DTMF)) {
699                                 if (ast_test_flag(peerflags, OPT_DTMF_EXIT)) {
700                                         const char *context = pbx_builtin_getvar_helper(in, "EXITCONTEXT");
701                                         if (onedigit_goto(in, context, (char) f->subclass, 1)) {
702                                                 if (option_verbose > 2)
703                                                         ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
704                                                 *to=0;
705                                                 *result = f->subclass;
706                                                 strcpy(status, "CANCEL");
707                                                 ast_frfree(f);
708                                                 return NULL;
709                                         }
710                                 }
711
712                                 if (ast_test_flag(peerflags, OPT_CALLER_HANGUP) && 
713                                                   (f->subclass == '*')) { /* hmm it it not guaranteed to be '*' anymore. */
714                                         if (option_verbose > 2)
715                                                 ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
716                                         *to=0;
717                                         strcpy(status, "CANCEL");
718                                         ast_frfree(f);
719                                         return NULL;
720                                 }
721                         }
722
723                         /* Forward HTML stuff */
724                         if (single && f && (f->frametype == AST_FRAME_HTML) && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML)) 
725                                 if(ast_channel_sendhtml(outgoing->chan, f->subclass, f->data, f->datalen) == -1)
726                                         ast_log(LOG_WARNING, "Unable to send URL\n");
727                         
728
729                         if (single && ((f->frametype == AST_FRAME_VOICE) || (f->frametype == AST_FRAME_DTMF)))  {
730                                 if (ast_write(outgoing->chan, f))
731                                         ast_log(LOG_WARNING, "Unable to forward voice\n");
732                         }
733                         if (single && (f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_VIDUPDATE)) {
734                                 if (option_verbose > 2)
735                                         ast_verbose(VERBOSE_PREFIX_3 "%s requested a video update, passing it to %s\n", in->name,outgoing->chan->name);
736                                 ast_indicate(outgoing->chan, AST_CONTROL_VIDUPDATE);
737                         }
738                         ast_frfree(f);
739                 }
740                 if (!*to && (option_verbose > 2))
741                         ast_verbose(VERBOSE_PREFIX_3 "Nobody picked up in %d ms\n", orig);
742         }
743
744         return peer;
745 }
746
747 static void replace_macro_delimiter(char *s)
748 {
749         for (; *s; s++)
750                 if (*s == '^')
751                         *s = '|';
752 }
753
754
755 /* returns true if there is a valid privacy reply */
756 static int valid_priv_reply(struct ast_flags *opts, int res)
757 {
758         if (res < '1')
759                 return 0;
760         if (ast_test_flag(opts, OPT_PRIVACY) && res <= '5')
761                 return 1;
762         if (ast_test_flag(opts, OPT_SCREENING) && res <= '4')
763                 return 1;
764         return 0;
765 }
766
767 static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags *peerflags)
768 {
769         int res = -1;
770         struct localuser *u;
771         char *rest, *cur;
772         struct dial_localuser *outgoing = NULL;
773         struct ast_channel *peer;
774         int to;
775         int numbusy = 0;
776         int numcongestion = 0;
777         int numnochan = 0;
778         int cause;
779         char numsubst[AST_MAX_EXTENSION];
780         char cidname[AST_MAX_EXTENSION];
781         int privdb_val = 0;
782         unsigned int calldurationlimit = 0;
783         long timelimit = 0;
784         long play_warning = 0;
785         long warning_freq = 0;
786         const char *warning_sound = NULL;
787         const char *end_sound = NULL;
788         const char *start_sound = NULL;
789         char *dtmfcalled = NULL, *dtmfcalling = NULL;
790         char status[256];
791         int play_to_caller = 0, play_to_callee = 0;
792         int sentringing = 0, moh = 0;
793         const char *outbound_group = NULL;
794         int result = 0;
795         time_t start_time;
796         char privintro[1024];
797         char privcid[256];
798         char *parse;
799         int opermode = 0;
800         AST_DECLARE_APP_ARGS(args,
801                              AST_APP_ARG(peers);
802                              AST_APP_ARG(timeout);
803                              AST_APP_ARG(options);
804                              AST_APP_ARG(url);
805         );
806         struct ast_flags opts = { 0, };
807         char *opt_args[OPT_ARG_ARRAY_SIZE];
808
809         if (ast_strlen_zero(data)) {
810                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
811                 return -1;
812         }
813
814         LOCAL_USER_ADD(u);
815
816         parse = ast_strdupa(data);
817
818         AST_STANDARD_APP_ARGS(args, parse);
819
820         if (!ast_strlen_zero(args.options) &&
821                         ast_app_parse_options(dial_exec_options, &opts, opt_args, args.options))
822                 goto done;
823
824         if (ast_strlen_zero(args.peers)) {
825                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
826                 goto done;
827         }
828
829         if (ast_test_flag(&opts, OPT_OPERMODE)) {
830                 if (ast_strlen_zero(opt_args[OPT_ARG_OPERMODE]))
831                         opermode = 1;
832                 else opermode = atoi(opt_args[OPT_ARG_OPERMODE]);
833                 if (option_verbose > 2)
834                         ast_verbose(VERBOSE_PREFIX_3 "Setting operator services mode to %d.\n", opermode);
835         }
836         
837         if (ast_test_flag(&opts, OPT_DURATION_STOP) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_STOP])) {
838                 calldurationlimit = atoi(opt_args[OPT_ARG_DURATION_STOP]);
839                 if (!calldurationlimit) {
840                         ast_log(LOG_WARNING, "Dial does not accept S(%s), hanging up.\n", opt_args[OPT_ARG_DURATION_STOP]);
841                         goto done;
842                 }
843                 if (option_verbose > 2)
844                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n", calldurationlimit);
845         }
846
847         if (ast_test_flag(&opts, OPT_SENDDTMF) && !ast_strlen_zero(opt_args[OPT_ARG_SENDDTMF])) {
848                 dtmfcalling = opt_args[OPT_ARG_SENDDTMF];
849                 dtmfcalled = strsep(&dtmfcalling, ":");
850         }
851
852         if (ast_test_flag(&opts, OPT_DURATION_LIMIT) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_LIMIT])) {
853                 char *limit_str, *warning_str, *warnfreq_str;
854                 const char *var;
855
856                 warnfreq_str = opt_args[OPT_ARG_DURATION_LIMIT];
857                 limit_str = strsep(&warnfreq_str, ":");
858                 warning_str = strsep(&warnfreq_str, ":");
859
860                 timelimit = atol(limit_str);
861                 if (warning_str)
862                         play_warning = atol(warning_str);
863                 if (warnfreq_str)
864                         warning_freq = atol(warnfreq_str);
865
866                 if (!timelimit) {
867                         ast_log(LOG_WARNING, "Dial does not accept L(%s), hanging up.\n", limit_str);
868                         goto done;
869                 } else if (play_warning > timelimit) {
870                         /* If the first warning is requested _after_ the entire call would end,
871                            and no warning frequency is requested, then turn off the warning. If
872                            a warning frequency is requested, reduce the 'first warning' time by
873                            that frequency until it falls within the call's total time limit.
874                         */
875
876                         if (!warning_freq) {
877                                 play_warning = 0;
878                         } else {
879                                 /* XXX fix this!! */
880                                 while (play_warning > timelimit)
881                                         play_warning -= warning_freq;
882                                 if (play_warning < 1)
883                                         play_warning = warning_freq = 0;
884                         }
885                 }
886
887                 var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLER");
888                 play_to_caller = var ? ast_true(var) : 1;
889                 
890                 var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLEE");
891                 play_to_callee = var ? ast_true(var) : 0;
892                 
893                 if (!play_to_caller && !play_to_callee)
894                         play_to_caller = 1;
895                 
896                 var = pbx_builtin_getvar_helper(chan,"LIMIT_WARNING_FILE");
897                 warning_sound = S_OR(var, "timeleft");
898                 
899                 var = pbx_builtin_getvar_helper(chan,"LIMIT_TIMEOUT_FILE");
900                 end_sound = S_OR(var, NULL);    /* XXX not much of a point in doing this! */
901                 
902                 var = pbx_builtin_getvar_helper(chan,"LIMIT_CONNECT_FILE");
903                 start_sound = S_OR(var, NULL);  /* XXX not much of a point in doing this! */
904
905                 /* undo effect of S(x) in case they are both used */
906                 calldurationlimit = 0;
907                 /* more efficient to do it like S(x) does since no advanced opts */
908                 if (!play_warning && !start_sound && !end_sound && timelimit) {
909                         calldurationlimit = timelimit / 1000;
910                         if (option_verbose > 2)
911                                 ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n", calldurationlimit);
912                         timelimit = play_to_caller = play_to_callee = play_warning = warning_freq = 0;
913                 } else if (option_verbose > 2) {
914                         ast_verbose(VERBOSE_PREFIX_3 "Limit Data for this call:\n");
915                         ast_verbose(VERBOSE_PREFIX_4 "timelimit      = %ld\n", timelimit);
916                         ast_verbose(VERBOSE_PREFIX_4 "play_warning   = %ld\n", play_warning);
917                         ast_verbose(VERBOSE_PREFIX_4 "play_to_caller = %s\n", play_to_caller ? "yes" : "no");
918                         ast_verbose(VERBOSE_PREFIX_4 "play_to_callee = %s\n", play_to_callee ? "yes" : "no");
919                         ast_verbose(VERBOSE_PREFIX_4 "warning_freq   = %ld\n", warning_freq);
920                         ast_verbose(VERBOSE_PREFIX_4 "start_sound    = %s\n", start_sound);
921                         ast_verbose(VERBOSE_PREFIX_4 "warning_sound  = %s\n", warning_sound);
922                         ast_verbose(VERBOSE_PREFIX_4 "end_sound      = %s\n", end_sound);
923                 }
924         }
925
926         if (ast_test_flag(&opts, OPT_RESETCDR) && chan->cdr)
927                 ast_cdr_reset(chan->cdr, NULL);
928         if (ast_test_flag(&opts, OPT_PRIVACY) && ast_strlen_zero(opt_args[OPT_ARG_PRIVACY]))
929                 opt_args[OPT_ARG_PRIVACY] = ast_strdupa(chan->exten);
930         if (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) {
931                 char callerid[60];
932                 char *l = chan->cid.cid_num;    /* XXX watch out, we are overwriting it */
933                 if (!ast_strlen_zero(l)) {
934                         ast_shrink_phone_number(l);
935                         if( ast_test_flag(&opts, OPT_PRIVACY) ) {
936                                 if (option_verbose > 2)
937                                         ast_verbose(VERBOSE_PREFIX_3  "Privacy DB is '%s', clid is '%s'\n",
938                                                      opt_args[OPT_ARG_PRIVACY], l);
939                                 privdb_val = ast_privacy_check(opt_args[OPT_ARG_PRIVACY], l);
940                         }
941                         else {
942                                 if (option_verbose > 2)
943                                         ast_verbose(VERBOSE_PREFIX_3  "Privacy Screening, clid is '%s'\n", l);
944                                 privdb_val = AST_PRIVACY_UNKNOWN;
945                         }
946                 } else {
947                         char *tnam, *tn2;
948
949                         tnam = ast_strdupa(chan->name);
950                         /* clean the channel name so slashes don't try to end up in disk file name */
951                         for(tn2 = tnam; *tn2; tn2++) {
952                                 if( *tn2=='/')
953                                         *tn2 = '=';  /* any other chars to be afraid of? */
954                         }
955                         if (option_verbose > 2)
956                                 ast_verbose(VERBOSE_PREFIX_3  "Privacy-- callerid is empty\n");
957
958                         snprintf(callerid, sizeof(callerid), "NOCALLERID_%s%s", chan->exten, tnam);
959                         l = callerid;
960                         privdb_val = AST_PRIVACY_UNKNOWN;
961                 }
962                 
963                 ast_copy_string(privcid,l,sizeof(privcid));
964
965                 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 */  
966                         if (option_verbose > 2)
967                                 ast_verbose( VERBOSE_PREFIX_3  "CallerID set (%s); N option set; Screening should be off\n", privcid);
968                         privdb_val = AST_PRIVACY_ALLOW;
969                 }
970                 else if(ast_test_flag(&opts, OPT_SCREEN_NOCLID) && strncmp(privcid,"NOCALLERID",10) == 0 ) {
971                         if (option_verbose > 2)
972                                 ast_verbose( VERBOSE_PREFIX_3  "CallerID blank; N option set; Screening should happen; dbval is %d\n", privdb_val);
973                 }
974                 
975                 if(privdb_val == AST_PRIVACY_DENY ) {
976                         ast_copy_string(status, "NOANSWER", sizeof(status));
977                         if (option_verbose > 2)
978                                 ast_verbose( VERBOSE_PREFIX_3  "Privacy DB reports PRIVACY_DENY for this callerid. Dial reports unavailable\n");
979                         res=0;
980                         goto out;
981                 }
982                 else if(privdb_val == AST_PRIVACY_KILL ) {
983                         ast_copy_string(status, "DONTCALL", sizeof(status));
984                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
985                                 ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 201);
986                         }
987                         res = 0;
988                         goto out; /* Is this right? */
989                 }
990                 else if(privdb_val == AST_PRIVACY_TORTURE ) {
991                         ast_copy_string(status, "TORTURE", sizeof(status));
992                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
993                                 ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 301);
994                         }
995                         res = 0;
996                         goto out; /* is this right??? */
997                 }
998                 else if(privdb_val == AST_PRIVACY_UNKNOWN ) {
999                         /* Get the user's intro, store it in priv-callerintros/$CID, 
1000                            unless it is already there-- this should be done before the 
1001                            call is actually dialed  */
1002
1003                         /* make sure the priv-callerintros dir exists? */
1004
1005                         snprintf(privintro,sizeof(privintro), "priv-callerintros/%s", privcid);
1006                         if( ast_fileexists(privintro,NULL,NULL ) > 0 && strncmp(privcid,"NOCALLERID",10) != 0) {
1007                                 /* the DELUX version of this code would allow this caller the
1008                                    option to hear and retape their previously recorded intro.
1009                                 */
1010                         }
1011                         else {
1012                                 int duration; /* for feedback from play_and_wait */
1013                                 /* the file doesn't exist yet. Let the caller submit his
1014                                    vocal intro for posterity */
1015                                 /* priv-recordintro script:
1016
1017                                    "At the tone, please say your name:"
1018
1019                                 */
1020                                 ast_play_and_record(chan, "priv-recordintro", privintro, 4, "gsm", &duration, 128, 2000, 0);  /* NOTE: I've reduced the total time to 4 sec */
1021                                                                                 /* don't think we'll need a lock removed, we took care of
1022                                                                                    conflicts by naming the privintro file */
1023                                 if( !ast_streamfile(chan, "vm-dialout", chan->language) )
1024                                         ast_waitstream(chan, "");
1025                         }
1026                 }
1027         }
1028
1029         /* If a channel group has been specified, get it for use when we create peer channels */
1030         outbound_group = pbx_builtin_getvar_helper(chan, "OUTBOUND_GROUP");
1031
1032         ast_copy_flags(peerflags, &opts, OPT_DTMF_EXIT | OPT_GO_ON | OPT_ORIGINAL_CLID | OPT_CALLER_HANGUP | OPT_IGNORE_FORWARDING);
1033         /* loop through the list of dial destinations */
1034         rest = args.peers;
1035         while ((cur = strsep(&rest, "&")) ) {
1036                 struct dial_localuser *tmp;
1037                 /* Get a technology/[device:]number pair */
1038                 char *number = cur;
1039                 char *tech = strsep(&number, "/");
1040                 if (!number) {
1041                         ast_log(LOG_WARNING, "Dial argument takes format (technology/[device:]number1)\n");
1042                         goto out;
1043                 }
1044                 if (!(tmp = ast_calloc(1, sizeof(*tmp))))
1045                         goto out;
1046                 if (opts.flags) {
1047                         ast_copy_flags(tmp, &opts,
1048                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
1049                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
1050                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
1051                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
1052                                        OPT_RINGBACK | OPT_MUSICBACK | OPT_FORCECLID);
1053                         ast_set2_flag(tmp, args.url, DIAL_NOFORWARDHTML);       
1054                 }
1055                 ast_copy_string(numsubst, number, sizeof(numsubst));
1056                 /* Request the peer */
1057                 tmp->chan = ast_request(tech, chan->nativeformats, numsubst, &cause);
1058                 if (!tmp->chan) {
1059                         /* If we can't, just go on to the next call */
1060                         ast_log(LOG_WARNING, "Unable to create channel of type '%s' (cause %d - %s)\n", tech, cause, ast_cause2str(cause));
1061                         HANDLE_CAUSE(cause, chan);
1062                         if (!rest)      /* we are on the last destination */
1063                                 chan->hangupcause = cause;
1064                         continue;
1065                 }
1066                 pbx_builtin_setvar_helper(tmp->chan, "DIALEDPEERNUMBER", numsubst);
1067                 if (!ast_strlen_zero(tmp->chan->call_forward)) {
1068                         char tmpchan[256];
1069                         char *stuff;
1070                         char *tech;
1071                         ast_copy_string(tmpchan, tmp->chan->call_forward, sizeof(tmpchan));
1072                         if ((stuff = strchr(tmpchan, '/'))) {
1073                                 *stuff++ = '\0';
1074                                 tech = tmpchan;
1075                         } else {
1076                                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", tmp->chan->call_forward, tmp->chan->context);
1077                                 stuff = tmpchan;
1078                                 tech = "Local";
1079                         }
1080                         tmp->forwards++;
1081                         if (tmp->forwards < AST_MAX_FORWARDS) {
1082                                 if (option_verbose > 2)
1083                                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", chan->name, tech, stuff, tmp->chan->name);
1084                                 ast_hangup(tmp->chan);
1085                                 /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
1086                                 if (ast_test_flag(&opts, OPT_IGNORE_FORWARDING)) {
1087                                         tmp->chan = NULL;
1088                                         cause = AST_CAUSE_BUSY;
1089                                         if (option_verbose > 2)
1090                                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n", chan->name, tech, stuff);
1091                                 } else {
1092                                         tmp->chan = ast_request(tech, chan->nativeformats, stuff, &cause);
1093                                 }
1094                                 if (!tmp->chan)
1095                                         ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
1096                                 else
1097                                         ast_channel_inherit_variables(chan, tmp->chan);
1098                         } else {
1099                                 if (option_verbose > 2)
1100                                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", tmp->chan->name);
1101                                 ast_hangup(tmp->chan);
1102                                 tmp->chan = NULL;
1103                                 cause = AST_CAUSE_CONGESTION;
1104                         }
1105                         if (!tmp->chan) {
1106                                 HANDLE_CAUSE(cause, chan);
1107                                 continue;
1108                         }
1109                 }
1110
1111                 /* Setup outgoing SDP to match incoming one */
1112                 ast_rtp_make_compatible(tmp->chan, chan, !outgoing && !rest);
1113                 
1114                 /* Inherit specially named variables from parent channel */
1115                 ast_channel_inherit_variables(chan, tmp->chan);
1116
1117                 tmp->chan->appl = "AppDial";
1118                 tmp->chan->data = "(Outgoing Line)";
1119                 tmp->chan->whentohangup = 0;
1120
1121                 if (tmp->chan->cid.cid_num)
1122                         free(tmp->chan->cid.cid_num);
1123                 tmp->chan->cid.cid_num = ast_strdup(chan->cid.cid_num);
1124
1125                 if (tmp->chan->cid.cid_name)
1126                         free(tmp->chan->cid.cid_name);
1127                 tmp->chan->cid.cid_name = ast_strdup(chan->cid.cid_name);
1128
1129                 if (tmp->chan->cid.cid_ani)
1130                         free(tmp->chan->cid.cid_ani);
1131                 tmp->chan->cid.cid_ani = ast_strdup(chan->cid.cid_ani);
1132                 
1133                 /* Copy language from incoming to outgoing */
1134                 ast_string_field_set(tmp->chan, language, chan->language);
1135                 ast_string_field_set(tmp->chan, accountcode, chan->accountcode);
1136                 tmp->chan->cdrflags = chan->cdrflags;
1137                 if (ast_strlen_zero(tmp->chan->musicclass))
1138                         ast_string_field_set(tmp->chan, musicclass, chan->musicclass);
1139                 /* XXX don't we free previous values ? */
1140                 tmp->chan->cid.cid_rdnis = ast_strdup(chan->cid.cid_rdnis);
1141                 /* Pass callingpres setting */
1142                 tmp->chan->cid.cid_pres = chan->cid.cid_pres;
1143                 /* Pass type of number */
1144                 tmp->chan->cid.cid_ton = chan->cid.cid_ton;
1145                 /* Pass type of tns */
1146                 tmp->chan->cid.cid_tns = chan->cid.cid_tns;
1147                 /* Presense of ADSI CPE on outgoing channel follows ours */
1148                 tmp->chan->adsicpe = chan->adsicpe;
1149                 /* Pass the transfer capability */
1150                 tmp->chan->transfercapability = chan->transfercapability;
1151
1152                 /* If we have an outbound group, set this peer channel to it */
1153                 if (outbound_group)
1154                         ast_app_group_set_channel(tmp->chan, outbound_group);
1155
1156                 /* Place the call, but don't wait on the answer */
1157                 res = ast_call(tmp->chan, numsubst, 0);
1158
1159                 /* Save the info in cdr's that we called them */
1160                 if (chan->cdr)
1161                         ast_cdr_setdestchan(chan->cdr, tmp->chan->name);
1162
1163                 /* check the results of ast_call */
1164                 if (res) {
1165                         /* Again, keep going even if there's an error */
1166                         if (option_debug)
1167                                 ast_log(LOG_DEBUG, "ast call on peer returned %d\n", res);
1168                         else if (option_verbose > 2)
1169                                 ast_verbose(VERBOSE_PREFIX_3 "Couldn't call %s\n", numsubst);
1170                         ast_hangup(tmp->chan);
1171                         tmp->chan = NULL;
1172                         continue;
1173                 } else {
1174                         senddialevent(chan, tmp->chan);
1175                         if (option_verbose > 2)
1176                                 ast_verbose(VERBOSE_PREFIX_3 "Called %s\n", numsubst);
1177                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID))
1178                                 ast_set_callerid(tmp->chan, S_OR(chan->macroexten, chan->exten), get_cid_name(cidname, sizeof(cidname), chan), NULL);
1179                 }
1180                 /* Put them in the list of outgoing thingies...  We're ready now. 
1181                    XXX If we're forcibly removed, these outgoing calls won't get
1182                    hung up XXX */
1183                 ast_set_flag(tmp, DIAL_STILLGOING);     
1184                 tmp->next = outgoing;
1185                 outgoing = tmp;
1186                 /* If this line is up, don't try anybody else */
1187                 if (outgoing->chan->_state == AST_STATE_UP)
1188                         break;
1189         }
1190         
1191         if (ast_strlen_zero(args.timeout)) {
1192                 to = -1;
1193         } else {
1194                 to = atoi(args.timeout);
1195                 if (to > 0)
1196                         to *= 1000;
1197                 else
1198                         ast_log(LOG_WARNING, "Invalid timeout specified: '%s'\n", args.timeout);
1199         }
1200
1201         if (!outgoing) {
1202                 strcpy(status, "CHANUNAVAIL");
1203         } else {
1204                 /* Our status will at least be NOANSWER */
1205                 strcpy(status, "NOANSWER");
1206                 if (ast_test_flag(outgoing, OPT_MUSICBACK)) {
1207                         moh=1;
1208                         ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK]);
1209                 } else if (ast_test_flag(outgoing, OPT_RINGBACK)) {
1210                         ast_indicate(chan, AST_CONTROL_RINGING);
1211                         sentringing++;
1212                 }
1213         }
1214
1215         time(&start_time);
1216         peer = wait_for_answer(chan, outgoing, &to, peerflags, &sentringing, status, sizeof(status), numbusy, numnochan, numcongestion, ast_test_flag(&opts, OPT_PRIORITY_JUMP), &result);
1217         
1218         if (!peer) {
1219                 if (result) {
1220                         res = result;
1221                 } else if (to) { /* Musta gotten hung up */
1222                         res = -1;
1223                 } else { /* Nobody answered, next please? */
1224                         res = 0;
1225                 }
1226                 /* almost done, although the 'else' block is 400 lines */
1227         } else {
1228                 const char *number;
1229                 time_t end_time, answer_time = time(NULL);
1230
1231                 strcpy(status, "ANSWER");
1232                 /* Ah ha!  Someone answered within the desired timeframe.  Of course after this
1233                    we will always return with -1 so that it is hung up properly after the 
1234                    conversation.  */
1235                 hanguptree(outgoing, peer);
1236                 outgoing = NULL;
1237                 /* If appropriate, log that we have a destination channel */
1238                 if (chan->cdr)
1239                         ast_cdr_setdestchan(chan->cdr, peer->name);
1240                 if (peer->name)
1241                         pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", peer->name);
1242
1243                 number = pbx_builtin_getvar_helper(peer, "DIALEDPEERNUMBER");
1244                 if (!number)
1245                         number = numsubst;
1246                 pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", number);
1247                 if (!ast_strlen_zero(args.url) && ast_channel_supports_html(peer) ) {
1248                         if (option_debug)
1249                                 ast_log(LOG_DEBUG, "app_dial: sendurl=%s.\n", args.url);
1250                         ast_channel_sendurl( peer, args.url );
1251                 }
1252                 if ( (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) && privdb_val == AST_PRIVACY_UNKNOWN) {
1253                         int res2;
1254                         int loopcount = 0;
1255
1256                         /* Get the user's intro, store it in priv-callerintros/$CID, 
1257                            unless it is already there-- this should be done before the 
1258                            call is actually dialed  */
1259
1260                         /* all ring indications and moh for the caller has been halted as soon as the 
1261                            target extension was picked up. We are going to have to kill some
1262                            time and make the caller believe the peer hasn't picked up yet */
1263
1264                         if (ast_test_flag(&opts, OPT_MUSICBACK) && !ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
1265                                 ast_indicate(chan, -1);
1266                                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK]);
1267                         } else if (ast_test_flag(&opts, OPT_RINGBACK)) {
1268                                 ast_indicate(chan, AST_CONTROL_RINGING);
1269                                 sentringing++;
1270                         }
1271
1272                         /* Start autoservice on the other chan ?? */
1273                         res2 = ast_autoservice_start(chan);
1274                         /* Now Stream the File */
1275                         for (loopcount = 0; loopcount < 3; loopcount++) {
1276                                 if (res2 && loopcount == 0)     /* error in ast_autoservice_start() */
1277                                         break;
1278                                 if (!res2)      /* on timeout, play the message again */
1279                                         res2 = ast_play_and_wait(peer,"priv-callpending");
1280                                 if (!valid_priv_reply(&opts, res2))
1281                                         res2 = 0;
1282                                 
1283                                 /* priv-callpending script: 
1284                                    "I have a caller waiting, who introduces themselves as:"
1285                                 */
1286                                 if (!res2)
1287                                         res2 = ast_play_and_wait(peer,privintro);
1288                                 if (!valid_priv_reply(&opts, res2))
1289                                         res2 = 0;
1290                                 /* now get input from the called party, as to their choice */
1291                                 if( !res2 ) {
1292                                         /* XXX can we have both, or they are mutually exclusive ? */
1293                                         if( ast_test_flag(&opts, OPT_PRIVACY) )
1294                                                 res2 = ast_play_and_wait(peer,"priv-callee-options");
1295                                         if( ast_test_flag(&opts, OPT_SCREENING) )
1296                                                 res2 = ast_play_and_wait(peer,"screen-callee-options");
1297                                 }
1298                                 /*! \page DialPrivacy Dial Privacy scripts
1299                                 \par priv-callee-options script:
1300                                         "Dial 1 if you wish this caller to reach you directly in the future,
1301                                                 and immediately connect to their incoming call
1302                                          Dial 2 if you wish to send this caller to voicemail now and 
1303                                                 forevermore.
1304                                          Dial 3 to send this caller to the torture menus, now and forevermore.
1305                                          Dial 4 to send this caller to a simple "go away" menu, now and forevermore.
1306                                          Dial 5 to allow this caller to come straight thru to you in the future,
1307                                                 but right now, just this once, send them to voicemail."
1308                                 \par screen-callee-options script:
1309                                         "Dial 1 if you wish to immediately connect to the incoming call
1310                                          Dial 2 if you wish to send this caller to voicemail.
1311                                          Dial 3 to send this caller to the torture menus.
1312                                          Dial 4 to send this caller to a simple "go away" menu.
1313                                 */
1314                                 if (valid_priv_reply(&opts, res2))
1315                                         break;
1316                                 /* invalid option */
1317                                 res2 = ast_play_and_wait(peer, "vm-sorry");
1318                         }
1319
1320                         if (ast_test_flag(&opts, OPT_MUSICBACK)) {
1321                                 ast_moh_stop(chan);
1322                         } else if (ast_test_flag(&opts, OPT_RINGBACK)) {
1323                                 ast_indicate(chan, -1);
1324                                 sentringing=0;
1325                         }
1326                         ast_autoservice_stop(chan);
1327
1328                         switch (res2) {
1329                         case '1':
1330                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1331                                         if (option_verbose > 2)
1332                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to ALLOW\n",
1333                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1334                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_ALLOW);
1335                                 }
1336                                 break;
1337                         case '2':
1338                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1339                                         if (option_verbose > 2)
1340                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to DENY\n",
1341                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1342                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_DENY);
1343                                 }
1344                                 ast_copy_string(status, "NOANSWER", sizeof(status));
1345                                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1346                                 res=0;
1347                                 goto out;
1348                         case '3':
1349                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1350                                         if (option_verbose > 2)
1351                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to TORTURE\n",
1352                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1353                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_TORTURE);
1354                                 }
1355                                 ast_copy_string(status, "TORTURE", sizeof(status));
1356                                 
1357                                 res = 0;
1358                                 ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1359                                 goto out; /* Is this right? */
1360                         case '4':
1361                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1362                                         if (option_verbose > 2)
1363                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to KILL\n",
1364                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1365                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_KILL);
1366                                 }
1367
1368                                 ast_copy_string(status, "DONTCALL", sizeof(status));
1369                                 res = 0;
1370                                 ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1371                                 goto out; /* Is this right? */
1372                         case '5':
1373                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1374                                         if (option_verbose > 2)
1375                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to ALLOW\n",
1376                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1377                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_ALLOW);
1378                                         ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1379                                         res=0;
1380                                         goto out;
1381                                 } /* if not privacy, then 5 is the same as "default" case */
1382                         default:        /* bad input or -1 if failure to start autoservice */
1383                                 /* well, if the user messes up, ... he had his chance... What Is The Best Thing To Do?  */
1384                                 /* well, there seems basically two choices. Just patch the caller thru immediately,
1385                                           or,... put 'em thru to voicemail. */
1386                                 /* since the callee may have hung up, let's do the voicemail thing, no database decision */
1387                                 ast_log(LOG_NOTICE, "privacy: no valid response from the callee. Sending the caller to voicemail, the callee isn't responding\n");
1388                                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1389                                 res=0;
1390                                 goto out;
1391                         }
1392
1393                         /* XXX once again, this path is only taken in the case '1', so it could be
1394                          * moved there, although i am not really sure that this is correct - maybe
1395                          * the check applies to other cases as well.
1396                          */
1397                         /* if the intro is NOCALLERID, then there's no reason to leave it on disk, it'll 
1398                            just clog things up, and it's not useful information, not being tied to a CID */
1399                         if( strncmp(privcid,"NOCALLERID",10) == 0 || ast_test_flag(&opts, OPT_SCREEN_NOINTRO) ) {
1400                                 ast_filedelete(privintro, NULL);
1401                                 if( ast_fileexists(privintro, NULL, NULL ) > 0 )
1402                                         ast_log(LOG_NOTICE, "privacy: ast_filedelete didn't do its job on %s\n", privintro);
1403                                 else if (option_verbose > 2)
1404                                         ast_verbose(VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", privintro);
1405                         }
1406                 }
1407                 if (!ast_test_flag(&opts, OPT_ANNOUNCE) || ast_strlen_zero(opt_args[OPT_ARG_ANNOUNCE])) {
1408                         res = 0;
1409                 } else {
1410                         int digit = 0;
1411                         /* Start autoservice on the other chan */
1412                         res = ast_autoservice_start(chan);
1413                         /* Now Stream the File */
1414                         if (!res)
1415                                 res = ast_streamfile(peer, opt_args[OPT_ARG_ANNOUNCE], peer->language);
1416                         if (!res) {
1417                                 digit = ast_waitstream(peer, AST_DIGIT_ANY); 
1418                         }
1419                         /* Ok, done. stop autoservice */
1420                         res = ast_autoservice_stop(chan);
1421                         if (digit > 0 && !res)
1422                                 res = ast_senddigit(chan, digit); 
1423                         else
1424                                 res = digit;
1425
1426                 }
1427
1428                 if (chan && peer && ast_test_flag(&opts, OPT_GOTO) && !ast_strlen_zero(opt_args[OPT_ARG_GOTO])) {
1429                         replace_macro_delimiter(opt_args[OPT_ARG_GOTO]);
1430                         ast_parseable_goto(chan, opt_args[OPT_ARG_GOTO]);
1431                         ast_parseable_goto(peer, opt_args[OPT_ARG_GOTO]);
1432                         peer->priority++;
1433                         ast_pbx_start(peer);
1434                         hanguptree(outgoing, NULL);
1435                         res = 0;
1436                         goto done;
1437                 }
1438
1439                 if (ast_test_flag(&opts, OPT_CALLEE_MACRO) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_MACRO])) {
1440                         struct ast_app *theapp;
1441                         const char *macro_result;
1442
1443                         res = ast_autoservice_start(chan);
1444                         if (res) {
1445                                 ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
1446                                 res = -1;
1447                         }
1448
1449                         theapp = pbx_findapp("Macro");
1450
1451                         if (theapp && !res) {   /* XXX why check res here ? */
1452                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_MACRO]);
1453                                 res = pbx_exec(peer, theapp, opt_args[OPT_ARG_CALLEE_MACRO]);
1454                                 ast_log(LOG_DEBUG, "Macro exited with status %d\n", res);
1455                                 res = 0;
1456                         } else {
1457                                 ast_log(LOG_ERROR, "Could not find application Macro\n");
1458                                 res = -1;
1459                         }
1460
1461                         if (ast_autoservice_stop(chan) < 0) {
1462                                 ast_log(LOG_ERROR, "Could not stop autoservice on calling channel\n");
1463                                 res = -1;
1464                         }
1465
1466                         if (!res && (macro_result = pbx_builtin_getvar_helper(peer, "MACRO_RESULT"))) {
1467                                         char *macro_transfer_dest;
1468
1469                                         if (!strcasecmp(macro_result, "BUSY")) {
1470                                                 ast_copy_string(status, macro_result, sizeof(status));
1471                                                 if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1472                                                         if (!ast_goto_if_exists(chan, NULL, NULL, chan->priority + 101)) {
1473                                                                 ast_set_flag(peerflags, OPT_GO_ON);
1474                                                         }
1475                                                 } else
1476                                                         ast_set_flag(peerflags, OPT_GO_ON);
1477                                                 res = -1;
1478                                         } else if (!strcasecmp(macro_result, "CONGESTION") || !strcasecmp(macro_result, "CHANUNAVAIL")) {
1479                                                 ast_copy_string(status, macro_result, sizeof(status));
1480                                                 ast_set_flag(peerflags, OPT_GO_ON);     
1481                                                 res = -1;
1482                                         } else if (!strcasecmp(macro_result, "CONTINUE")) {
1483                                                 /* hangup peer and keep chan alive assuming the macro has changed 
1484                                                    the context / exten / priority or perhaps 
1485                                                    the next priority in the current exten is desired.
1486                                                 */
1487                                                 ast_set_flag(peerflags, OPT_GO_ON);     
1488                                                 res = -1;
1489                                         } else if (!strcasecmp(macro_result, "ABORT")) {
1490                                                 /* Hangup both ends unless the caller has the g flag */
1491                                                 res = -1;
1492                                         } else if (!strncasecmp(macro_result, "GOTO:", 5) && (macro_transfer_dest = ast_strdupa(macro_result + 5))) {
1493                                                 res = -1;
1494                                                 /* perform a transfer to a new extension */
1495                                                 if (strchr(macro_transfer_dest, '^')) { /* context^exten^priority*/
1496                                                         replace_macro_delimiter(macro_transfer_dest);
1497                                                         if (!ast_parseable_goto(chan, macro_transfer_dest))
1498                                                                 ast_set_flag(peerflags, OPT_GO_ON);
1499
1500                                                 }
1501                                         }
1502                         }
1503                 }
1504
1505                 if (!res) {
1506                         if (calldurationlimit > 0) {
1507                                 chan->whentohangup = time(NULL) + calldurationlimit;
1508                         }
1509                         if (!ast_strlen_zero(dtmfcalled)) { 
1510                                 if (option_verbose > 2)
1511                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the called party.\n", dtmfcalled);
1512                                 res = ast_dtmf_stream(peer,chan,dtmfcalled,250);
1513                         }
1514                         if (!ast_strlen_zero(dtmfcalling)) {
1515                                 if (option_verbose > 2)
1516                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the calling party.\n", dtmfcalling);
1517                                 res = ast_dtmf_stream(chan,peer,dtmfcalling,250);
1518                         }
1519                 }
1520                 
1521                 if (!res) {
1522                         struct ast_bridge_config config;
1523
1524                         memset(&config,0,sizeof(struct ast_bridge_config));
1525                         if (play_to_caller)
1526                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PLAY_WARNING);
1527                         if (play_to_callee)
1528                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PLAY_WARNING);
1529                         if (ast_test_flag(peerflags, OPT_CALLEE_TRANSFER))
1530                                 ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
1531                         if (ast_test_flag(peerflags, OPT_CALLER_TRANSFER))
1532                                 ast_set_flag(&(config.features_caller), AST_FEATURE_REDIRECT);
1533                         if (ast_test_flag(peerflags, OPT_CALLEE_HANGUP))
1534                                 ast_set_flag(&(config.features_callee), AST_FEATURE_DISCONNECT);
1535                         if (ast_test_flag(peerflags, OPT_CALLER_HANGUP))
1536                                 ast_set_flag(&(config.features_caller), AST_FEATURE_DISCONNECT);
1537                         if (ast_test_flag(peerflags, OPT_CALLEE_MONITOR))
1538                                 ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
1539                         if (ast_test_flag(peerflags, OPT_CALLER_MONITOR)) 
1540                                 ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
1541                         if (ast_test_flag(peerflags, OPT_CALLEE_PARK))
1542                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PARKCALL);
1543                         if (ast_test_flag(peerflags, OPT_CALLER_PARK))
1544                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PARKCALL);
1545
1546                         config.timelimit = timelimit;
1547                         config.play_warning = play_warning;
1548                         config.warning_freq = warning_freq;
1549                         config.warning_sound = warning_sound;
1550                         config.end_sound = end_sound;
1551                         config.start_sound = start_sound;
1552                         if (moh) {
1553                                 moh = 0;
1554                                 ast_moh_stop(chan);
1555                         } else if (sentringing) {
1556                                 sentringing = 0;
1557                                 ast_indicate(chan, -1);
1558                         }
1559                         /* Be sure no generators are left on it */
1560                         ast_deactivate_generator(chan);
1561                         /* Make sure channels are compatible */
1562                         res = ast_channel_make_compatible(chan, peer);
1563                         if (res < 0) {
1564                                 ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", chan->name, peer->name);
1565                                 ast_hangup(peer);
1566                                 res = -1;
1567                                 goto done;
1568                         }
1569                         if (opermode && (!strncmp(chan->name,"Zap",3)) &&
1570                                 (!strncmp(peer->name,"Zap",3)))
1571                         {
1572                                 struct oprmode oprmode;
1573
1574                                 oprmode.peer = peer;
1575                                 oprmode.mode = opermode;
1576
1577                                 ast_channel_setoption(chan,
1578                                         AST_OPTION_OPRMODE,&oprmode,sizeof(struct oprmode),0);
1579                         }
1580                         res = ast_bridge_call(chan,peer,&config);
1581                         time(&end_time);
1582                         {
1583                                 char toast[80];
1584                                 snprintf(toast, sizeof(toast), "%ld", (long)(end_time - answer_time));
1585                                 pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", toast);
1586                         }
1587                 } else {
1588                         time(&end_time);
1589                         res = -1;
1590                 }
1591                 {
1592                         char toast[80];
1593                         snprintf(toast, sizeof(toast), "%ld", (long)(end_time - start_time));
1594                         pbx_builtin_setvar_helper(chan, "DIALEDTIME", toast);
1595                 }
1596                 
1597                 if (res != AST_PBX_NO_HANGUP_PEER) {
1598                         if (!chan->_softhangup)
1599                                 chan->hangupcause = peer->hangupcause;
1600                         ast_hangup(peer);
1601                 }
1602         }       
1603 out:
1604         if (moh) {
1605                 moh = 0;
1606                 ast_moh_stop(chan);
1607         } else if (sentringing) {
1608                 sentringing = 0;
1609                 ast_indicate(chan, -1);
1610         }
1611         ast_rtp_early_bridge(chan, NULL);
1612         hanguptree(outgoing, NULL);
1613         pbx_builtin_setvar_helper(chan, "DIALSTATUS", status);
1614         if (option_debug)
1615                 ast_log(LOG_DEBUG, "Exiting with DIALSTATUS=%s.\n", status);
1616         
1617         if ((ast_test_flag(peerflags, OPT_GO_ON)) && (!chan->_softhangup) && (res != AST_PBX_KEEPALIVE))
1618                 res = 0;
1619
1620 done:
1621         LOCAL_USER_REMOVE(u);    
1622         return res;
1623 }
1624
1625 static int dial_exec(struct ast_channel *chan, void *data)
1626 {
1627         struct ast_flags peerflags;
1628         memset(&peerflags, 0, sizeof(peerflags));
1629         return dial_exec_full(chan, data, &peerflags);
1630 }
1631
1632 static int retrydial_exec(struct ast_channel *chan, void *data)
1633 {
1634         char *announce = NULL, *dialdata = NULL;
1635         const char *context = NULL;
1636         int sleep = 0, loops = 0, res = -1;
1637         struct localuser *u;
1638         struct ast_flags peerflags;
1639         
1640         if (ast_strlen_zero(data)) {
1641                 ast_log(LOG_WARNING, "RetryDial requires an argument!\n");
1642                 return -1;
1643         }       
1644
1645         LOCAL_USER_ADD(u);
1646
1647         announce = ast_strdupa(data);
1648
1649         memset(&peerflags, 0, sizeof(peerflags));
1650
1651         if ((dialdata = strchr(announce, '|'))) {
1652                 *dialdata++ = '\0';
1653                 if ((sleep = atoi(dialdata))) {
1654                         sleep *= 1000;
1655                 } else {
1656                         ast_log(LOG_ERROR, "%s requires the numerical argument <sleep>\n",rapp);
1657                         goto done;
1658                 }
1659                 if ((dialdata = strchr(dialdata, '|'))) {
1660                         *dialdata++ = '\0';
1661                         if (!(loops = atoi(dialdata))) {
1662                                 ast_log(LOG_ERROR, "%s requires the numerical argument <loops>\n",rapp);
1663                                 goto done;
1664                         }
1665                 }
1666         }
1667         
1668         if ((dialdata = strchr(dialdata, '|'))) {
1669                 *dialdata++ = '\0';
1670         } else {
1671                 ast_log(LOG_ERROR, "%s requires more arguments\n",rapp);
1672                 goto done;
1673         }
1674                 
1675         if (sleep < 1000)
1676                 sleep = 10000;
1677
1678         if (!loops)
1679                 loops = -1;     /* run forever */
1680         
1681         context = pbx_builtin_getvar_helper(chan, "EXITCONTEXT");
1682
1683         res = 0;
1684         while (loops) {
1685                 chan->data = "Retrying";
1686                 if (ast_test_flag(chan, AST_FLAG_MOH))
1687                         ast_moh_stop(chan);
1688
1689                 if ((res = dial_exec_full(chan, dialdata, &peerflags)) == 0) {
1690                         if (ast_test_flag(&peerflags, OPT_DTMF_EXIT)) {
1691                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1692                                         res = ast_waitstream(chan, AST_DIGIT_ANY);
1693                                 if (!res && sleep) {
1694                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1695                                                 ast_moh_start(chan, NULL);
1696                                         res = ast_waitfordigit(chan, sleep);
1697                                 }
1698                         } else {
1699                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1700                                         res = ast_waitstream(chan, "");
1701                                 if (sleep) {
1702                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1703                                                 ast_moh_start(chan, NULL);
1704                                         if (!res) 
1705                                                 res = ast_waitfordigit(chan, sleep);
1706                                 }
1707                         }
1708                 }
1709
1710                 if (res < 0)
1711                         break;
1712                 else if (res > 0) { /* Trying to send the call elsewhere (1 digit ext) */
1713                         if (onedigit_goto(chan, context, (char) res, 1)) {
1714                                 res = 0;
1715                                 break;
1716                         }
1717                 }
1718                 loops--;
1719         }
1720         if (loops == 0)
1721                 res = 0;
1722         
1723         if (ast_test_flag(chan, AST_FLAG_MOH))
1724                 ast_moh_stop(chan);
1725 done:
1726         LOCAL_USER_REMOVE(u);
1727         return res;
1728 }
1729
1730 static int unload_module(void *mod)
1731 {
1732         int res;
1733
1734         res = ast_unregister_application(app);
1735         res |= ast_unregister_application(rapp);
1736
1737         STANDARD_HANGUP_LOCALUSERS;
1738         
1739         return res;
1740 }
1741
1742 static int load_module(void *mod)
1743 {
1744         int res;
1745
1746         res = ast_register_application(app, dial_exec, synopsis, descrip);
1747         res |= ast_register_application(rapp, retrydial_exec, rsynopsis, rdescrip);
1748         
1749         return res;
1750 }
1751
1752 static const char *description(void)
1753 {
1754         return "Dialing Application";
1755 }
1756
1757 static const char *key(void)
1758 {
1759         return ASTERISK_GPL_KEY;
1760 }
1761
1762 STD_MOD(MOD_1, NULL, NULL, NULL);