Don't ast_request a channel structure twice when a call is being forwarded. (#7362...
[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                                         /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
485                                         if (ast_test_flag(peerflags, OPT_IGNORE_FORWARDING)) {
486                                                 if (option_verbose > 2)
487                                                         ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n", in->name, tech, stuff);
488                                                 c = o->chan = NULL;
489                                                 cause = AST_CAUSE_BUSY;
490                                         } else {
491                                                 /* Setup parameters */
492                                                 c = o->chan = ast_request(tech, in->nativeformats, stuff, &cause);
493                                                 if (!c)
494                                                         ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
495                                                 else
496                                                         ast_channel_inherit_variables(in, o->chan);
497                                         }
498                                 } else {
499                                         if (option_verbose > 2)
500                                                 ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", c->name);
501                                         cause = AST_CAUSE_CONGESTION;
502                                         c = o->chan = NULL;
503                                 }
504                                 if (!c) {
505                                         ast_clear_flag(o, DIAL_STILLGOING);     
506                                         HANDLE_CAUSE(cause, in);
507                                 } else {
508                                         ast_rtp_make_compatible(c, in, single);
509                                         if (c->cid.cid_num)
510                                                 free(c->cid.cid_num);
511                                         c->cid.cid_num = NULL;
512                                         if (c->cid.cid_name)
513                                                 free(c->cid.cid_name);
514                                         c->cid.cid_name = NULL;
515
516                                         if (ast_test_flag(o, OPT_FORCECLID)) {
517                                                 c->cid.cid_num = ast_strdup(S_OR(in->macroexten, in->exten));
518                                                 ast_string_field_set(c, accountcode, winner->accountcode);
519                                                 c->cdrflags = winner->cdrflags;
520                                         } else {
521                                                 c->cid.cid_num = ast_strdup(in->cid.cid_num);
522                                                 c->cid.cid_name = ast_strdup(in->cid.cid_name);
523                                                 ast_string_field_set(c, accountcode, in->accountcode);
524                                                 c->cdrflags = in->cdrflags;
525                                         }
526
527                                         if (in->cid.cid_ani) {
528                                                 if (c->cid.cid_ani)
529                                                         free(c->cid.cid_ani);
530                                                 c->cid.cid_ani = ast_strdup(in->cid.cid_ani);
531                                         }
532                                         if (c->cid.cid_rdnis) 
533                                                 free(c->cid.cid_rdnis);
534                                         c->cid.cid_rdnis = ast_strdup(S_OR(in->macroexten, in->exten));
535                                         if (ast_call(c, tmpchan, 0)) {
536                                                 ast_log(LOG_NOTICE, "Failed to dial on local channel for call forward to '%s'\n", tmpchan);
537                                                 ast_clear_flag(o, DIAL_STILLGOING);     
538                                                 ast_hangup(c);
539                                                 c = o->chan = NULL;
540                                                 numnochan++;
541                                         } else {
542                                                 senddialevent(in, c);
543                                                 /* After calling, set callerid to extension */
544                                                 if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID)) {
545                                                         char cidname[AST_MAX_EXTENSION];
546                                                         ast_set_callerid(c, S_OR(in->macroexten, in->exten), get_cid_name(cidname, sizeof(cidname), in), NULL);
547                                                 }
548                                         }
549                                 }
550                                 /* Hangup the original channel now, in case we needed it */
551                                 ast_hangup(winner);
552                                 continue;
553                         }
554                         f = ast_read(winner);
555                         if (!f) {
556                                 in->hangupcause = c->hangupcause;
557                                 ast_hangup(c);
558                                 c = o->chan = NULL;
559                                 ast_clear_flag(o, DIAL_STILLGOING);
560                                 HANDLE_CAUSE(in->hangupcause, in);
561                                 continue;
562                         }
563                         if (f->frametype == AST_FRAME_CONTROL) {
564                                 switch(f->subclass) {
565                                 case AST_CONTROL_ANSWER:
566                                         /* This is our guy if someone answered. */
567                                         if (!peer) {
568                                                 if (option_verbose > 2)
569                                                         ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", c->name, in->name);
570                                                 peer = c;
571                                                 ast_copy_flags(peerflags, o,
572                                                                OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
573                                                                OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
574                                                                OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
575                                                                OPT_CALLEE_PARK | OPT_CALLER_PARK |
576                                                                DIAL_NOFORWARDHTML);
577                                                 /* Setup RTP early bridge if appropriate */
578                                                 ast_rtp_early_bridge(in, peer);
579                                         }
580                                         /* If call has been answered, then the eventual hangup is likely to be normal hangup */
581                                         in->hangupcause = AST_CAUSE_NORMAL_CLEARING;
582                                         c->hangupcause = AST_CAUSE_NORMAL_CLEARING;
583                                         break;
584                                 case AST_CONTROL_BUSY:
585                                         if (option_verbose > 2)
586                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is busy\n", c->name);
587                                         in->hangupcause = c->hangupcause;
588                                         ast_hangup(c);
589                                         c = o->chan = NULL;
590                                         ast_clear_flag(o, DIAL_STILLGOING);     
591                                         HANDLE_CAUSE(AST_CAUSE_BUSY, in);
592                                         break;
593                                 case AST_CONTROL_CONGESTION:
594                                         if (option_verbose > 2)
595                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is circuit-busy\n", c->name);
596                                         in->hangupcause = c->hangupcause;
597                                         ast_hangup(c);
598                                         c = o->chan = NULL;
599                                         ast_clear_flag(o, DIAL_STILLGOING);
600                                         HANDLE_CAUSE(AST_CAUSE_CONGESTION, in);
601                                         break;
602                                 case AST_CONTROL_RINGING:
603                                         if (option_verbose > 2)
604                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is ringing\n", c->name);
605                                         /* Setup early media if appropriate */
606                                         if (single)
607                                                 ast_rtp_early_bridge(in, c);
608                                         if (!(*sentringing) && !ast_test_flag(outgoing, OPT_MUSICBACK)) {
609                                                 ast_indicate(in, AST_CONTROL_RINGING);
610                                                 (*sentringing)++;
611                                         }
612                                         break;
613                                 case AST_CONTROL_PROGRESS:
614                                         if (option_verbose > 2)
615                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is making progress passing it to %s\n", c->name, in->name);
616                                         /* Setup early media if appropriate */
617                                         if (single)
618                                                 ast_rtp_early_bridge(in, c);
619                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
620                                                 ast_indicate(in, AST_CONTROL_PROGRESS);
621                                         break;
622                                 case AST_CONTROL_VIDUPDATE:
623                                         if (option_verbose > 2)
624                                                 ast_verbose (VERBOSE_PREFIX_3 "%s requested a video update, passing it to %s\n", c->name, in->name);
625                                         ast_indicate(in, AST_CONTROL_VIDUPDATE);
626                                         break;
627                                 case AST_CONTROL_PROCEEDING:
628                                         if (option_verbose > 2)
629                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is proceeding passing it to %s\n", c->name, in->name);
630                                         if (single)
631                                                 ast_rtp_early_bridge(in, c);
632                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
633                                                 ast_indicate(in, AST_CONTROL_PROCEEDING);
634                                         break;
635                                 case AST_CONTROL_HOLD:
636                                         if (option_verbose > 2)
637                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s placed on hold\n", c->name);
638                                         ast_indicate(in, AST_CONTROL_HOLD);
639                                         break;
640                                 case AST_CONTROL_UNHOLD:
641                                         if (option_verbose > 2)
642                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s left from hold\n", c->name);
643                                         ast_indicate(in, AST_CONTROL_UNHOLD);
644                                         break;
645                                 case AST_CONTROL_OFFHOOK:
646                                 case AST_CONTROL_FLASH:
647                                         /* Ignore going off hook and flash */
648                                         break;
649                                 case -1:
650                                         if (!ast_test_flag(outgoing, OPT_RINGBACK | OPT_MUSICBACK)) {
651                                                 if (option_verbose > 2)
652                                                         ast_verbose(VERBOSE_PREFIX_3 "%s stopped sounds\n", c->name);
653                                                 ast_indicate(in, -1);
654                                                 (*sentringing) = 0;
655                                         }
656                                         break;
657                                 default:
658                                         if (option_debug)
659                                                 ast_log(LOG_DEBUG, "Dunno what to do with control type %d\n", f->subclass);
660                                 }
661                         } else if (single) {
662                                 /* XXX are we sure the logic is correct ? or we should just switch on f->frametype ? */
663                                 if (f->frametype == AST_FRAME_VOICE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
664                                         if (ast_write(in, f)) 
665                                                 ast_log(LOG_WARNING, "Unable to forward voice frame\n");
666                                 } else if (f->frametype == AST_FRAME_IMAGE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
667                                         if (ast_write(in, f))
668                                                 ast_log(LOG_WARNING, "Unable to forward image\n");
669                                 } else if (f->frametype == AST_FRAME_TEXT && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
670                                         if (ast_write(in, f))
671                                                 ast_log(LOG_WARNING, "Unable to send text\n");
672                                 } else if (f->frametype == AST_FRAME_HTML && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML)) {
673                                         if (ast_channel_sendhtml(in, f->subclass, f->data, f->datalen) == -1)
674                                                 ast_log(LOG_WARNING, "Unable to send URL\n");
675                                 }
676                         }
677                         ast_frfree(f);
678                 } /* end for */
679                 if (winner == in) {
680                         struct ast_frame *f = ast_read(in);
681 #if 0
682                         if (f && (f->frametype != AST_FRAME_VOICE))
683                                 printf("Frame type: %d, %d\n", f->frametype, f->subclass);
684                         else if (!f || (f->frametype != AST_FRAME_VOICE))
685                                 printf("Hangup received on %s\n", in->name);
686 #endif
687                         if (!f || ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP))) {
688                                 /* Got hung up */
689                                 *to = -1;
690                                 strcpy(status, "CANCEL");
691                                 if (f)
692                                         ast_frfree(f);
693                                 return NULL;
694                         }
695
696                         if (f && (f->frametype == AST_FRAME_DTMF)) {
697                                 if (ast_test_flag(peerflags, OPT_DTMF_EXIT)) {
698                                         const char *context = pbx_builtin_getvar_helper(in, "EXITCONTEXT");
699                                         if (onedigit_goto(in, context, (char) f->subclass, 1)) {
700                                                 if (option_verbose > 2)
701                                                         ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
702                                                 *to=0;
703                                                 *result = f->subclass;
704                                                 strcpy(status, "CANCEL");
705                                                 ast_frfree(f);
706                                                 return NULL;
707                                         }
708                                 }
709
710                                 if (ast_test_flag(peerflags, OPT_CALLER_HANGUP) && 
711                                                   (f->subclass == '*')) { /* hmm it it not guaranteed to be '*' anymore. */
712                                         if (option_verbose > 2)
713                                                 ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
714                                         *to=0;
715                                         strcpy(status, "CANCEL");
716                                         ast_frfree(f);
717                                         return NULL;
718                                 }
719                         }
720
721                         /* Forward HTML stuff */
722                         if (single && f && (f->frametype == AST_FRAME_HTML) && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML)) 
723                                 if(ast_channel_sendhtml(outgoing->chan, f->subclass, f->data, f->datalen) == -1)
724                                         ast_log(LOG_WARNING, "Unable to send URL\n");
725                         
726
727                         if (single && ((f->frametype == AST_FRAME_VOICE) || (f->frametype == AST_FRAME_DTMF)))  {
728                                 if (ast_write(outgoing->chan, f))
729                                         ast_log(LOG_WARNING, "Unable to forward voice\n");
730                         }
731                         if (single && (f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_VIDUPDATE)) {
732                                 if (option_verbose > 2)
733                                         ast_verbose(VERBOSE_PREFIX_3 "%s requested a video update, passing it to %s\n", in->name,outgoing->chan->name);
734                                 ast_indicate(outgoing->chan, AST_CONTROL_VIDUPDATE);
735                         }
736                         ast_frfree(f);
737                 }
738                 if (!*to && (option_verbose > 2))
739                         ast_verbose(VERBOSE_PREFIX_3 "Nobody picked up in %d ms\n", orig);
740         }
741
742         return peer;
743 }
744
745 static void replace_macro_delimiter(char *s)
746 {
747         for (; *s; s++)
748                 if (*s == '^')
749                         *s = '|';
750 }
751
752
753 /* returns true if there is a valid privacy reply */
754 static int valid_priv_reply(struct ast_flags *opts, int res)
755 {
756         if (res < '1')
757                 return 0;
758         if (ast_test_flag(opts, OPT_PRIVACY) && res <= '5')
759                 return 1;
760         if (ast_test_flag(opts, OPT_SCREENING) && res <= '4')
761                 return 1;
762         return 0;
763 }
764
765 static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags *peerflags)
766 {
767         int res = -1;
768         struct localuser *u;
769         char *rest, *cur;
770         struct dial_localuser *outgoing = NULL;
771         struct ast_channel *peer;
772         int to;
773         int numbusy = 0;
774         int numcongestion = 0;
775         int numnochan = 0;
776         int cause;
777         char numsubst[AST_MAX_EXTENSION];
778         char cidname[AST_MAX_EXTENSION];
779         int privdb_val = 0;
780         unsigned int calldurationlimit = 0;
781         long timelimit = 0;
782         long play_warning = 0;
783         long warning_freq = 0;
784         const char *warning_sound = NULL;
785         const char *end_sound = NULL;
786         const char *start_sound = NULL;
787         char *dtmfcalled = NULL, *dtmfcalling = NULL;
788         char status[256];
789         int play_to_caller = 0, play_to_callee = 0;
790         int sentringing = 0, moh = 0;
791         const char *outbound_group = NULL;
792         int result = 0;
793         time_t start_time;
794         char privintro[1024];
795         char privcid[256];
796         char *parse;
797         int opermode = 0;
798         AST_DECLARE_APP_ARGS(args,
799                              AST_APP_ARG(peers);
800                              AST_APP_ARG(timeout);
801                              AST_APP_ARG(options);
802                              AST_APP_ARG(url);
803         );
804         struct ast_flags opts = { 0, };
805         char *opt_args[OPT_ARG_ARRAY_SIZE];
806
807         if (ast_strlen_zero(data)) {
808                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
809                 return -1;
810         }
811
812         LOCAL_USER_ADD(u);
813
814         parse = ast_strdupa(data);
815
816         AST_STANDARD_APP_ARGS(args, parse);
817
818         if (!ast_strlen_zero(args.options) &&
819                         ast_app_parse_options(dial_exec_options, &opts, opt_args, args.options))
820                 goto done;
821
822         if (ast_strlen_zero(args.peers)) {
823                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
824                 goto done;
825         }
826
827         if (ast_test_flag(&opts, OPT_OPERMODE)) {
828                 if (ast_strlen_zero(opt_args[OPT_ARG_OPERMODE]))
829                         opermode = 1;
830                 else opermode = atoi(opt_args[OPT_ARG_OPERMODE]);
831                 if (option_verbose > 2)
832                         ast_verbose(VERBOSE_PREFIX_3 "Setting operator services mode to %d.\n", opermode);
833         }
834         
835         if (ast_test_flag(&opts, OPT_DURATION_STOP) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_STOP])) {
836                 calldurationlimit = atoi(opt_args[OPT_ARG_DURATION_STOP]);
837                 if (!calldurationlimit) {
838                         ast_log(LOG_WARNING, "Dial does not accept S(%s), hanging up.\n", opt_args[OPT_ARG_DURATION_STOP]);
839                         goto done;
840                 }
841                 if (option_verbose > 2)
842                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n", calldurationlimit);
843         }
844
845         if (ast_test_flag(&opts, OPT_SENDDTMF) && !ast_strlen_zero(opt_args[OPT_ARG_SENDDTMF])) {
846                 dtmfcalling = opt_args[OPT_ARG_SENDDTMF];
847                 dtmfcalled = strsep(&dtmfcalling, ":");
848         }
849
850         if (ast_test_flag(&opts, OPT_DURATION_LIMIT) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_LIMIT])) {
851                 char *limit_str, *warning_str, *warnfreq_str;
852                 const char *var;
853
854                 warnfreq_str = opt_args[OPT_ARG_DURATION_LIMIT];
855                 limit_str = strsep(&warnfreq_str, ":");
856                 warning_str = strsep(&warnfreq_str, ":");
857
858                 timelimit = atol(limit_str);
859                 if (warning_str)
860                         play_warning = atol(warning_str);
861                 if (warnfreq_str)
862                         warning_freq = atol(warnfreq_str);
863
864                 if (!timelimit) {
865                         ast_log(LOG_WARNING, "Dial does not accept L(%s), hanging up.\n", limit_str);
866                         goto done;
867                 } else if (play_warning > timelimit) {
868                         /* If the first warning is requested _after_ the entire call would end,
869                            and no warning frequency is requested, then turn off the warning. If
870                            a warning frequency is requested, reduce the 'first warning' time by
871                            that frequency until it falls within the call's total time limit.
872                         */
873
874                         if (!warning_freq) {
875                                 play_warning = 0;
876                         } else {
877                                 /* XXX fix this!! */
878                                 while (play_warning > timelimit)
879                                         play_warning -= warning_freq;
880                                 if (play_warning < 1)
881                                         play_warning = warning_freq = 0;
882                         }
883                 }
884
885                 var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLER");
886                 play_to_caller = var ? ast_true(var) : 1;
887                 
888                 var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLEE");
889                 play_to_callee = var ? ast_true(var) : 0;
890                 
891                 if (!play_to_caller && !play_to_callee)
892                         play_to_caller = 1;
893                 
894                 var = pbx_builtin_getvar_helper(chan,"LIMIT_WARNING_FILE");
895                 warning_sound = S_OR(var, "timeleft");
896                 
897                 var = pbx_builtin_getvar_helper(chan,"LIMIT_TIMEOUT_FILE");
898                 end_sound = S_OR(var, NULL);    /* XXX not much of a point in doing this! */
899                 
900                 var = pbx_builtin_getvar_helper(chan,"LIMIT_CONNECT_FILE");
901                 start_sound = S_OR(var, NULL);  /* XXX not much of a point in doing this! */
902
903                 /* undo effect of S(x) in case they are both used */
904                 calldurationlimit = 0;
905                 /* more efficient to do it like S(x) does since no advanced opts */
906                 if (!play_warning && !start_sound && !end_sound && timelimit) {
907                         calldurationlimit = timelimit / 1000;
908                         if (option_verbose > 2)
909                                 ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n", calldurationlimit);
910                         timelimit = play_to_caller = play_to_callee = play_warning = warning_freq = 0;
911                 } else if (option_verbose > 2) {
912                         ast_verbose(VERBOSE_PREFIX_3 "Limit Data for this call:\n");
913                         ast_verbose(VERBOSE_PREFIX_4 "timelimit      = %ld\n", timelimit);
914                         ast_verbose(VERBOSE_PREFIX_4 "play_warning   = %ld\n", play_warning);
915                         ast_verbose(VERBOSE_PREFIX_4 "play_to_caller = %s\n", play_to_caller ? "yes" : "no");
916                         ast_verbose(VERBOSE_PREFIX_4 "play_to_callee = %s\n", play_to_callee ? "yes" : "no");
917                         ast_verbose(VERBOSE_PREFIX_4 "warning_freq   = %ld\n", warning_freq);
918                         ast_verbose(VERBOSE_PREFIX_4 "start_sound    = %s\n", start_sound);
919                         ast_verbose(VERBOSE_PREFIX_4 "warning_sound  = %s\n", warning_sound);
920                         ast_verbose(VERBOSE_PREFIX_4 "end_sound      = %s\n", end_sound);
921                 }
922         }
923
924         if (ast_test_flag(&opts, OPT_RESETCDR) && chan->cdr)
925                 ast_cdr_reset(chan->cdr, NULL);
926         if (ast_test_flag(&opts, OPT_PRIVACY) && ast_strlen_zero(opt_args[OPT_ARG_PRIVACY]))
927                 opt_args[OPT_ARG_PRIVACY] = ast_strdupa(chan->exten);
928         if (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) {
929                 char callerid[60];
930                 char *l = chan->cid.cid_num;    /* XXX watch out, we are overwriting it */
931                 if (!ast_strlen_zero(l)) {
932                         ast_shrink_phone_number(l);
933                         if( ast_test_flag(&opts, OPT_PRIVACY) ) {
934                                 if (option_verbose > 2)
935                                         ast_verbose(VERBOSE_PREFIX_3  "Privacy DB is '%s', clid is '%s'\n",
936                                                      opt_args[OPT_ARG_PRIVACY], l);
937                                 privdb_val = ast_privacy_check(opt_args[OPT_ARG_PRIVACY], l);
938                         }
939                         else {
940                                 if (option_verbose > 2)
941                                         ast_verbose(VERBOSE_PREFIX_3  "Privacy Screening, clid is '%s'\n", l);
942                                 privdb_val = AST_PRIVACY_UNKNOWN;
943                         }
944                 } else {
945                         char *tnam, *tn2;
946
947                         tnam = ast_strdupa(chan->name);
948                         /* clean the channel name so slashes don't try to end up in disk file name */
949                         for(tn2 = tnam; *tn2; tn2++) {
950                                 if( *tn2=='/')
951                                         *tn2 = '=';  /* any other chars to be afraid of? */
952                         }
953                         if (option_verbose > 2)
954                                 ast_verbose(VERBOSE_PREFIX_3  "Privacy-- callerid is empty\n");
955
956                         snprintf(callerid, sizeof(callerid), "NOCALLERID_%s%s", chan->exten, tnam);
957                         l = callerid;
958                         privdb_val = AST_PRIVACY_UNKNOWN;
959                 }
960                 
961                 ast_copy_string(privcid,l,sizeof(privcid));
962
963                 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 */  
964                         if (option_verbose > 2)
965                                 ast_verbose( VERBOSE_PREFIX_3  "CallerID set (%s); N option set; Screening should be off\n", privcid);
966                         privdb_val = AST_PRIVACY_ALLOW;
967                 }
968                 else if(ast_test_flag(&opts, OPT_SCREEN_NOCLID) && strncmp(privcid,"NOCALLERID",10) == 0 ) {
969                         if (option_verbose > 2)
970                                 ast_verbose( VERBOSE_PREFIX_3  "CallerID blank; N option set; Screening should happen; dbval is %d\n", privdb_val);
971                 }
972                 
973                 if(privdb_val == AST_PRIVACY_DENY ) {
974                         ast_copy_string(status, "NOANSWER", sizeof(status));
975                         if (option_verbose > 2)
976                                 ast_verbose( VERBOSE_PREFIX_3  "Privacy DB reports PRIVACY_DENY for this callerid. Dial reports unavailable\n");
977                         res=0;
978                         goto out;
979                 }
980                 else if(privdb_val == AST_PRIVACY_KILL ) {
981                         ast_copy_string(status, "DONTCALL", sizeof(status));
982                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
983                                 ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 201);
984                         }
985                         res = 0;
986                         goto out; /* Is this right? */
987                 }
988                 else if(privdb_val == AST_PRIVACY_TORTURE ) {
989                         ast_copy_string(status, "TORTURE", sizeof(status));
990                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
991                                 ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 301);
992                         }
993                         res = 0;
994                         goto out; /* is this right??? */
995                 }
996                 else if(privdb_val == AST_PRIVACY_UNKNOWN ) {
997                         /* Get the user's intro, store it in priv-callerintros/$CID, 
998                            unless it is already there-- this should be done before the 
999                            call is actually dialed  */
1000
1001                         /* make sure the priv-callerintros dir exists? */
1002
1003                         snprintf(privintro,sizeof(privintro), "priv-callerintros/%s", privcid);
1004                         if( ast_fileexists(privintro,NULL,NULL ) > 0 && strncmp(privcid,"NOCALLERID",10) != 0) {
1005                                 /* the DELUX version of this code would allow this caller the
1006                                    option to hear and retape their previously recorded intro.
1007                                 */
1008                         }
1009                         else {
1010                                 int duration; /* for feedback from play_and_wait */
1011                                 /* the file doesn't exist yet. Let the caller submit his
1012                                    vocal intro for posterity */
1013                                 /* priv-recordintro script:
1014
1015                                    "At the tone, please say your name:"
1016
1017                                 */
1018                                 res = ast_play_and_record(chan, "priv-recordintro", privintro, 4, "gsm", &duration, 128, 2000, 0);  /* NOTE: I've reduced the total time to 4 sec */
1019                                                                                 /* don't think we'll need a lock removed, we took care of
1020                                                                                    conflicts by naming the privintro file */
1021                                 if (res == -1) {
1022                                         /* Delete the file regardless since they hung up during recording */
1023                                         ast_filedelete(privintro, NULL);
1024                                         if( ast_fileexists(privintro,NULL,NULL ) > 0 )
1025                                                 ast_log(LOG_NOTICE,"privacy: ast_filedelete didn't do its job on %s\n", privintro);
1026                                         else if (option_verbose > 2)
1027                                                 ast_verbose( VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", privintro);
1028                                         goto out;
1029                                 }
1030                                 if( !ast_streamfile(chan, "vm-dialout", chan->language) )
1031                                         ast_waitstream(chan, "");
1032                         }
1033                 }
1034         }
1035
1036         /* If a channel group has been specified, get it for use when we create peer channels */
1037         outbound_group = pbx_builtin_getvar_helper(chan, "OUTBOUND_GROUP");
1038
1039         ast_copy_flags(peerflags, &opts, OPT_DTMF_EXIT | OPT_GO_ON | OPT_ORIGINAL_CLID | OPT_CALLER_HANGUP | OPT_IGNORE_FORWARDING);
1040         /* loop through the list of dial destinations */
1041         rest = args.peers;
1042         while ((cur = strsep(&rest, "&")) ) {
1043                 struct dial_localuser *tmp;
1044                 /* Get a technology/[device:]number pair */
1045                 char *number = cur;
1046                 char *tech = strsep(&number, "/");
1047                 if (!number) {
1048                         ast_log(LOG_WARNING, "Dial argument takes format (technology/[device:]number1)\n");
1049                         goto out;
1050                 }
1051                 if (!(tmp = ast_calloc(1, sizeof(*tmp))))
1052                         goto out;
1053                 if (opts.flags) {
1054                         ast_copy_flags(tmp, &opts,
1055                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
1056                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
1057                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
1058                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
1059                                        OPT_RINGBACK | OPT_MUSICBACK | OPT_FORCECLID);
1060                         ast_set2_flag(tmp, args.url, DIAL_NOFORWARDHTML);       
1061                 }
1062                 ast_copy_string(numsubst, number, sizeof(numsubst));
1063                 /* Request the peer */
1064                 tmp->chan = ast_request(tech, chan->nativeformats, numsubst, &cause);
1065                 if (!tmp->chan) {
1066                         /* If we can't, just go on to the next call */
1067                         ast_log(LOG_WARNING, "Unable to create channel of type '%s' (cause %d - %s)\n", tech, cause, ast_cause2str(cause));
1068                         HANDLE_CAUSE(cause, chan);
1069                         if (!rest)      /* we are on the last destination */
1070                                 chan->hangupcause = cause;
1071                         continue;
1072                 }
1073                 pbx_builtin_setvar_helper(tmp->chan, "DIALEDPEERNUMBER", numsubst);
1074                 if (!ast_strlen_zero(tmp->chan->call_forward)) {
1075                         char tmpchan[256];
1076                         char *stuff;
1077                         char *tech;
1078                         ast_copy_string(tmpchan, tmp->chan->call_forward, sizeof(tmpchan));
1079                         if ((stuff = strchr(tmpchan, '/'))) {
1080                                 *stuff++ = '\0';
1081                                 tech = tmpchan;
1082                         } else {
1083                                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", tmp->chan->call_forward, tmp->chan->context);
1084                                 stuff = tmpchan;
1085                                 tech = "Local";
1086                         }
1087                         tmp->forwards++;
1088                         if (tmp->forwards < AST_MAX_FORWARDS) {
1089                                 if (option_verbose > 2)
1090                                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", chan->name, tech, stuff, tmp->chan->name);
1091                                 ast_hangup(tmp->chan);
1092                                 /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
1093                                 if (ast_test_flag(&opts, OPT_IGNORE_FORWARDING)) {
1094                                         tmp->chan = NULL;
1095                                         cause = AST_CAUSE_BUSY;
1096                                         if (option_verbose > 2)
1097                                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n", chan->name, tech, stuff);
1098                                 } else {
1099                                         tmp->chan = ast_request(tech, chan->nativeformats, stuff, &cause);
1100                                 }
1101                                 if (!tmp->chan)
1102                                         ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
1103                                 else
1104                                         ast_channel_inherit_variables(chan, tmp->chan);
1105                         } else {
1106                                 if (option_verbose > 2)
1107                                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", tmp->chan->name);
1108                                 ast_hangup(tmp->chan);
1109                                 tmp->chan = NULL;
1110                                 cause = AST_CAUSE_CONGESTION;
1111                         }
1112                         if (!tmp->chan) {
1113                                 HANDLE_CAUSE(cause, chan);
1114                                 continue;
1115                         }
1116                 }
1117
1118                 /* Setup outgoing SDP to match incoming one */
1119                 ast_rtp_make_compatible(tmp->chan, chan, !outgoing && !rest);
1120                 
1121                 /* Inherit specially named variables from parent channel */
1122                 ast_channel_inherit_variables(chan, tmp->chan);
1123
1124                 tmp->chan->appl = "AppDial";
1125                 tmp->chan->data = "(Outgoing Line)";
1126                 tmp->chan->whentohangup = 0;
1127
1128                 if (tmp->chan->cid.cid_num)
1129                         free(tmp->chan->cid.cid_num);
1130                 tmp->chan->cid.cid_num = ast_strdup(chan->cid.cid_num);
1131
1132                 if (tmp->chan->cid.cid_name)
1133                         free(tmp->chan->cid.cid_name);
1134                 tmp->chan->cid.cid_name = ast_strdup(chan->cid.cid_name);
1135
1136                 if (tmp->chan->cid.cid_ani)
1137                         free(tmp->chan->cid.cid_ani);
1138                 tmp->chan->cid.cid_ani = ast_strdup(chan->cid.cid_ani);
1139                 
1140                 /* Copy language from incoming to outgoing */
1141                 ast_string_field_set(tmp->chan, language, chan->language);
1142                 ast_string_field_set(tmp->chan, accountcode, chan->accountcode);
1143                 tmp->chan->cdrflags = chan->cdrflags;
1144                 if (ast_strlen_zero(tmp->chan->musicclass))
1145                         ast_string_field_set(tmp->chan, musicclass, chan->musicclass);
1146                 /* XXX don't we free previous values ? */
1147                 tmp->chan->cid.cid_rdnis = ast_strdup(chan->cid.cid_rdnis);
1148                 /* Pass callingpres setting */
1149                 tmp->chan->cid.cid_pres = chan->cid.cid_pres;
1150                 /* Pass type of number */
1151                 tmp->chan->cid.cid_ton = chan->cid.cid_ton;
1152                 /* Pass type of tns */
1153                 tmp->chan->cid.cid_tns = chan->cid.cid_tns;
1154                 /* Presense of ADSI CPE on outgoing channel follows ours */
1155                 tmp->chan->adsicpe = chan->adsicpe;
1156                 /* Pass the transfer capability */
1157                 tmp->chan->transfercapability = chan->transfercapability;
1158
1159                 /* If we have an outbound group, set this peer channel to it */
1160                 if (outbound_group)
1161                         ast_app_group_set_channel(tmp->chan, outbound_group);
1162
1163                 /* Place the call, but don't wait on the answer */
1164                 res = ast_call(tmp->chan, numsubst, 0);
1165
1166                 /* Save the info in cdr's that we called them */
1167                 if (chan->cdr)
1168                         ast_cdr_setdestchan(chan->cdr, tmp->chan->name);
1169
1170                 /* check the results of ast_call */
1171                 if (res) {
1172                         /* Again, keep going even if there's an error */
1173                         if (option_debug)
1174                                 ast_log(LOG_DEBUG, "ast call on peer returned %d\n", res);
1175                         else if (option_verbose > 2)
1176                                 ast_verbose(VERBOSE_PREFIX_3 "Couldn't call %s\n", numsubst);
1177                         ast_hangup(tmp->chan);
1178                         tmp->chan = NULL;
1179                         continue;
1180                 } else {
1181                         senddialevent(chan, tmp->chan);
1182                         if (option_verbose > 2)
1183                                 ast_verbose(VERBOSE_PREFIX_3 "Called %s\n", numsubst);
1184                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID))
1185                                 ast_set_callerid(tmp->chan, S_OR(chan->macroexten, chan->exten), get_cid_name(cidname, sizeof(cidname), chan), NULL);
1186                 }
1187                 /* Put them in the list of outgoing thingies...  We're ready now. 
1188                    XXX If we're forcibly removed, these outgoing calls won't get
1189                    hung up XXX */
1190                 ast_set_flag(tmp, DIAL_STILLGOING);     
1191                 tmp->next = outgoing;
1192                 outgoing = tmp;
1193                 /* If this line is up, don't try anybody else */
1194                 if (outgoing->chan->_state == AST_STATE_UP)
1195                         break;
1196         }
1197         
1198         if (ast_strlen_zero(args.timeout)) {
1199                 to = -1;
1200         } else {
1201                 to = atoi(args.timeout);
1202                 if (to > 0)
1203                         to *= 1000;
1204                 else
1205                         ast_log(LOG_WARNING, "Invalid timeout specified: '%s'\n", args.timeout);
1206         }
1207
1208         if (!outgoing) {
1209                 strcpy(status, "CHANUNAVAIL");
1210         } else {
1211                 /* Our status will at least be NOANSWER */
1212                 strcpy(status, "NOANSWER");
1213                 if (ast_test_flag(outgoing, OPT_MUSICBACK)) {
1214                         moh=1;
1215                         ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK]);
1216                 } else if (ast_test_flag(outgoing, OPT_RINGBACK)) {
1217                         ast_indicate(chan, AST_CONTROL_RINGING);
1218                         sentringing++;
1219                 }
1220         }
1221
1222         time(&start_time);
1223         peer = wait_for_answer(chan, outgoing, &to, peerflags, &sentringing, status, sizeof(status), numbusy, numnochan, numcongestion, ast_test_flag(&opts, OPT_PRIORITY_JUMP), &result);
1224         
1225         if (!peer) {
1226                 if (result) {
1227                         res = result;
1228                 } else if (to) { /* Musta gotten hung up */
1229                         res = -1;
1230                 } else { /* Nobody answered, next please? */
1231                         res = 0;
1232                 }
1233                 /* almost done, although the 'else' block is 400 lines */
1234         } else {
1235                 const char *number;
1236                 time_t end_time, answer_time = time(NULL);
1237
1238                 strcpy(status, "ANSWER");
1239                 /* Ah ha!  Someone answered within the desired timeframe.  Of course after this
1240                    we will always return with -1 so that it is hung up properly after the 
1241                    conversation.  */
1242                 hanguptree(outgoing, peer);
1243                 outgoing = NULL;
1244                 /* If appropriate, log that we have a destination channel */
1245                 if (chan->cdr)
1246                         ast_cdr_setdestchan(chan->cdr, peer->name);
1247                 if (peer->name)
1248                         pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", peer->name);
1249
1250                 number = pbx_builtin_getvar_helper(peer, "DIALEDPEERNUMBER");
1251                 if (!number)
1252                         number = numsubst;
1253                 pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", number);
1254                 if (!ast_strlen_zero(args.url) && ast_channel_supports_html(peer) ) {
1255                         if (option_debug)
1256                                 ast_log(LOG_DEBUG, "app_dial: sendurl=%s.\n", args.url);
1257                         ast_channel_sendurl( peer, args.url );
1258                 }
1259                 if ( (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) && privdb_val == AST_PRIVACY_UNKNOWN) {
1260                         int res2;
1261                         int loopcount = 0;
1262
1263                         /* Get the user's intro, store it in priv-callerintros/$CID, 
1264                            unless it is already there-- this should be done before the 
1265                            call is actually dialed  */
1266
1267                         /* all ring indications and moh for the caller has been halted as soon as the 
1268                            target extension was picked up. We are going to have to kill some
1269                            time and make the caller believe the peer hasn't picked up yet */
1270
1271                         if (ast_test_flag(&opts, OPT_MUSICBACK) && !ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
1272                                 ast_indicate(chan, -1);
1273                                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK]);
1274                         } else if (ast_test_flag(&opts, OPT_RINGBACK)) {
1275                                 ast_indicate(chan, AST_CONTROL_RINGING);
1276                                 sentringing++;
1277                         }
1278
1279                         /* Start autoservice on the other chan ?? */
1280                         res2 = ast_autoservice_start(chan);
1281                         /* Now Stream the File */
1282                         for (loopcount = 0; loopcount < 3; loopcount++) {
1283                                 if (res2 && loopcount == 0)     /* error in ast_autoservice_start() */
1284                                         break;
1285                                 if (!res2)      /* on timeout, play the message again */
1286                                         res2 = ast_play_and_wait(peer,"priv-callpending");
1287                                 if (!valid_priv_reply(&opts, res2))
1288                                         res2 = 0;
1289                                 /* priv-callpending script: 
1290                                    "I have a caller waiting, who introduces themselves as:"
1291                                 */
1292                                 if (!res2)
1293                                         res2 = ast_play_and_wait(peer,privintro);
1294                                 if (!valid_priv_reply(&opts, res2))
1295                                         res2 = 0;
1296                                 /* now get input from the called party, as to their choice */
1297                                 if( !res2 ) {
1298                                         /* XXX can we have both, or they are mutually exclusive ? */
1299                                         if( ast_test_flag(&opts, OPT_PRIVACY) )
1300                                                 res2 = ast_play_and_wait(peer,"priv-callee-options");
1301                                         if( ast_test_flag(&opts, OPT_SCREENING) )
1302                                                 res2 = ast_play_and_wait(peer,"screen-callee-options");
1303                                 }
1304                                 /*! \page DialPrivacy Dial Privacy scripts
1305                                 \par priv-callee-options script:
1306                                         "Dial 1 if you wish this caller to reach you directly in the future,
1307                                                 and immediately connect to their incoming call
1308                                          Dial 2 if you wish to send this caller to voicemail now and 
1309                                                 forevermore.
1310                                          Dial 3 to send this caller to the torture menus, now and forevermore.
1311                                          Dial 4 to send this caller to a simple "go away" menu, now and forevermore.
1312                                          Dial 5 to allow this caller to come straight thru to you in the future,
1313                                                 but right now, just this once, send them to voicemail."
1314                                 \par screen-callee-options script:
1315                                         "Dial 1 if you wish to immediately connect to the incoming call
1316                                          Dial 2 if you wish to send this caller to voicemail.
1317                                          Dial 3 to send this caller to the torture menus.
1318                                          Dial 4 to send this caller to a simple "go away" menu.
1319                                 */
1320                                 if (valid_priv_reply(&opts, res2))
1321                                         break;
1322                                 /* invalid option */
1323                                 res2 = ast_play_and_wait(peer, "vm-sorry");
1324                         }
1325
1326                         if (ast_test_flag(&opts, OPT_MUSICBACK)) {
1327                                 ast_moh_stop(chan);
1328                         } else if (ast_test_flag(&opts, OPT_RINGBACK)) {
1329                                 ast_indicate(chan, -1);
1330                                 sentringing=0;
1331                         }
1332                         ast_autoservice_stop(chan);
1333
1334                         switch (res2) {
1335                         case '1':
1336                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1337                                         if (option_verbose > 2)
1338                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to ALLOW\n",
1339                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1340                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_ALLOW);
1341                                 }
1342                                 break;
1343                         case '2':
1344                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1345                                         if (option_verbose > 2)
1346                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to DENY\n",
1347                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1348                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_DENY);
1349                                 }
1350                                 ast_copy_string(status, "NOANSWER", sizeof(status));
1351                                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1352                                 res=0;
1353                                 goto out;
1354                         case '3':
1355                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1356                                         if (option_verbose > 2)
1357                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to TORTURE\n",
1358                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1359                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_TORTURE);
1360                                 }
1361                                 ast_copy_string(status, "TORTURE", sizeof(status));
1362                                 
1363                                 res = 0;
1364                                 ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1365                                 goto out; /* Is this right? */
1366                         case '4':
1367                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1368                                         if (option_verbose > 2)
1369                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to KILL\n",
1370                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1371                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_KILL);
1372                                 }
1373
1374                                 ast_copy_string(status, "DONTCALL", sizeof(status));
1375                                 res = 0;
1376                                 ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1377                                 goto out; /* Is this right? */
1378                         case '5':
1379                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1380                                         if (option_verbose > 2)
1381                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to ALLOW\n",
1382                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1383                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_ALLOW);
1384                                         ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1385                                         res=0;
1386                                         goto out;
1387                                 } /* if not privacy, then 5 is the same as "default" case */
1388                         default:        /* bad input or -1 if failure to start autoservice */
1389                                 /* well, if the user messes up, ... he had his chance... What Is The Best Thing To Do?  */
1390                                 /* well, there seems basically two choices. Just patch the caller thru immediately,
1391                                           or,... put 'em thru to voicemail. */
1392                                 /* since the callee may have hung up, let's do the voicemail thing, no database decision */
1393                                 ast_log(LOG_NOTICE, "privacy: no valid response from the callee. Sending the caller to voicemail, the callee isn't responding\n");
1394                                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1395                                 res=0;
1396                                 goto out;
1397                         }
1398
1399                         /* XXX once again, this path is only taken in the case '1', so it could be
1400                          * moved there, although i am not really sure that this is correct - maybe
1401                          * the check applies to other cases as well.
1402                          */
1403                         /* if the intro is NOCALLERID, then there's no reason to leave it on disk, it'll 
1404                            just clog things up, and it's not useful information, not being tied to a CID */
1405                         if( strncmp(privcid,"NOCALLERID",10) == 0 || ast_test_flag(&opts, OPT_SCREEN_NOINTRO) ) {
1406                                 ast_filedelete(privintro, NULL);
1407                                 if( ast_fileexists(privintro, NULL, NULL ) > 0 )
1408                                         ast_log(LOG_NOTICE, "privacy: ast_filedelete didn't do its job on %s\n", privintro);
1409                                 else if (option_verbose > 2)
1410                                         ast_verbose(VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", privintro);
1411                         }
1412                 }
1413                 if (!ast_test_flag(&opts, OPT_ANNOUNCE) || ast_strlen_zero(opt_args[OPT_ARG_ANNOUNCE])) {
1414                         res = 0;
1415                 } else {
1416                         int digit = 0;
1417                         /* Start autoservice on the other chan */
1418                         res = ast_autoservice_start(chan);
1419                         /* Now Stream the File */
1420                         if (!res)
1421                                 res = ast_streamfile(peer, opt_args[OPT_ARG_ANNOUNCE], peer->language);
1422                         if (!res) {
1423                                 digit = ast_waitstream(peer, AST_DIGIT_ANY); 
1424                         }
1425                         /* Ok, done. stop autoservice */
1426                         res = ast_autoservice_stop(chan);
1427                         if (digit > 0 && !res)
1428                                 res = ast_senddigit(chan, digit); 
1429                         else
1430                                 res = digit;
1431
1432                 }
1433
1434                 if (chan && peer && ast_test_flag(&opts, OPT_GOTO) && !ast_strlen_zero(opt_args[OPT_ARG_GOTO])) {
1435                         replace_macro_delimiter(opt_args[OPT_ARG_GOTO]);
1436                         ast_parseable_goto(chan, opt_args[OPT_ARG_GOTO]);
1437                         ast_parseable_goto(peer, opt_args[OPT_ARG_GOTO]);
1438                         peer->priority++;
1439                         ast_pbx_start(peer);
1440                         hanguptree(outgoing, NULL);
1441                         res = 0;
1442                         goto done;
1443                 }
1444
1445                 if (ast_test_flag(&opts, OPT_CALLEE_MACRO) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_MACRO])) {
1446                         struct ast_app *theapp;
1447                         const char *macro_result;
1448
1449                         res = ast_autoservice_start(chan);
1450                         if (res) {
1451                                 ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
1452                                 res = -1;
1453                         }
1454
1455                         theapp = pbx_findapp("Macro");
1456
1457                         if (theapp && !res) {   /* XXX why check res here ? */
1458                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_MACRO]);
1459                                 res = pbx_exec(peer, theapp, opt_args[OPT_ARG_CALLEE_MACRO]);
1460                                 ast_log(LOG_DEBUG, "Macro exited with status %d\n", res);
1461                                 res = 0;
1462                         } else {
1463                                 ast_log(LOG_ERROR, "Could not find application Macro\n");
1464                                 res = -1;
1465                         }
1466
1467                         if (ast_autoservice_stop(chan) < 0) {
1468                                 ast_log(LOG_ERROR, "Could not stop autoservice on calling channel\n");
1469                                 res = -1;
1470                         }
1471
1472                         if (!res && (macro_result = pbx_builtin_getvar_helper(peer, "MACRO_RESULT"))) {
1473                                         char *macro_transfer_dest;
1474
1475                                         if (!strcasecmp(macro_result, "BUSY")) {
1476                                                 ast_copy_string(status, macro_result, sizeof(status));
1477                                                 if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1478                                                         if (!ast_goto_if_exists(chan, NULL, NULL, chan->priority + 101)) {
1479                                                                 ast_set_flag(peerflags, OPT_GO_ON);
1480                                                         }
1481                                                 } else
1482                                                         ast_set_flag(peerflags, OPT_GO_ON);
1483                                                 res = -1;
1484                                         } else if (!strcasecmp(macro_result, "CONGESTION") || !strcasecmp(macro_result, "CHANUNAVAIL")) {
1485                                                 ast_copy_string(status, macro_result, sizeof(status));
1486                                                 ast_set_flag(peerflags, OPT_GO_ON);     
1487                                                 res = -1;
1488                                         } else if (!strcasecmp(macro_result, "CONTINUE")) {
1489                                                 /* hangup peer and keep chan alive assuming the macro has changed 
1490                                                    the context / exten / priority or perhaps 
1491                                                    the next priority in the current exten is desired.
1492                                                 */
1493                                                 ast_set_flag(peerflags, OPT_GO_ON);     
1494                                                 res = -1;
1495                                         } else if (!strcasecmp(macro_result, "ABORT")) {
1496                                                 /* Hangup both ends unless the caller has the g flag */
1497                                                 res = -1;
1498                                         } else if (!strncasecmp(macro_result, "GOTO:", 5) && (macro_transfer_dest = ast_strdupa(macro_result + 5))) {
1499                                                 res = -1;
1500                                                 /* perform a transfer to a new extension */
1501                                                 if (strchr(macro_transfer_dest, '^')) { /* context^exten^priority*/
1502                                                         replace_macro_delimiter(macro_transfer_dest);
1503                                                         if (!ast_parseable_goto(chan, macro_transfer_dest))
1504                                                                 ast_set_flag(peerflags, OPT_GO_ON);
1505
1506                                                 }
1507                                         }
1508                         }
1509                 }
1510
1511                 if (!res) {
1512                         if (calldurationlimit > 0) {
1513                                 chan->whentohangup = time(NULL) + calldurationlimit;
1514                         }
1515                         if (!ast_strlen_zero(dtmfcalled)) { 
1516                                 if (option_verbose > 2)
1517                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the called party.\n", dtmfcalled);
1518                                 res = ast_dtmf_stream(peer,chan,dtmfcalled,250);
1519                         }
1520                         if (!ast_strlen_zero(dtmfcalling)) {
1521                                 if (option_verbose > 2)
1522                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the calling party.\n", dtmfcalling);
1523                                 res = ast_dtmf_stream(chan,peer,dtmfcalling,250);
1524                         }
1525                 }
1526                 
1527                 if (!res) {
1528                         struct ast_bridge_config config;
1529
1530                         memset(&config,0,sizeof(struct ast_bridge_config));
1531                         if (play_to_caller)
1532                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PLAY_WARNING);
1533                         if (play_to_callee)
1534                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PLAY_WARNING);
1535                         if (ast_test_flag(peerflags, OPT_CALLEE_TRANSFER))
1536                                 ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
1537                         if (ast_test_flag(peerflags, OPT_CALLER_TRANSFER))
1538                                 ast_set_flag(&(config.features_caller), AST_FEATURE_REDIRECT);
1539                         if (ast_test_flag(peerflags, OPT_CALLEE_HANGUP))
1540                                 ast_set_flag(&(config.features_callee), AST_FEATURE_DISCONNECT);
1541                         if (ast_test_flag(peerflags, OPT_CALLER_HANGUP))
1542                                 ast_set_flag(&(config.features_caller), AST_FEATURE_DISCONNECT);
1543                         if (ast_test_flag(peerflags, OPT_CALLEE_MONITOR))
1544                                 ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
1545                         if (ast_test_flag(peerflags, OPT_CALLER_MONITOR)) 
1546                                 ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
1547                         if (ast_test_flag(peerflags, OPT_CALLEE_PARK))
1548                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PARKCALL);
1549                         if (ast_test_flag(peerflags, OPT_CALLER_PARK))
1550                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PARKCALL);
1551
1552                         config.timelimit = timelimit;
1553                         config.play_warning = play_warning;
1554                         config.warning_freq = warning_freq;
1555                         config.warning_sound = warning_sound;
1556                         config.end_sound = end_sound;
1557                         config.start_sound = start_sound;
1558                         if (moh) {
1559                                 moh = 0;
1560                                 ast_moh_stop(chan);
1561                         } else if (sentringing) {
1562                                 sentringing = 0;
1563                                 ast_indicate(chan, -1);
1564                         }
1565                         /* Be sure no generators are left on it */
1566                         ast_deactivate_generator(chan);
1567                         /* Make sure channels are compatible */
1568                         res = ast_channel_make_compatible(chan, peer);
1569                         if (res < 0) {
1570                                 ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", chan->name, peer->name);
1571                                 ast_hangup(peer);
1572                                 res = -1;
1573                                 goto done;
1574                         }
1575                         if (opermode && (!strncmp(chan->name,"Zap",3)) &&
1576                                 (!strncmp(peer->name,"Zap",3)))
1577                         {
1578                                 struct oprmode oprmode;
1579
1580                                 oprmode.peer = peer;
1581                                 oprmode.mode = opermode;
1582
1583                                 ast_channel_setoption(chan,
1584                                         AST_OPTION_OPRMODE,&oprmode,sizeof(struct oprmode),0);
1585                         }
1586                         res = ast_bridge_call(chan,peer,&config);
1587                         time(&end_time);
1588                         {
1589                                 char toast[80];
1590                                 snprintf(toast, sizeof(toast), "%ld", (long)(end_time - answer_time));
1591                                 pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", toast);
1592                         }
1593                 } else {
1594                         time(&end_time);
1595                         res = -1;
1596                 }
1597                 {
1598                         char toast[80];
1599                         snprintf(toast, sizeof(toast), "%ld", (long)(end_time - start_time));
1600                         pbx_builtin_setvar_helper(chan, "DIALEDTIME", toast);
1601                 }
1602                 
1603                 if (res != AST_PBX_NO_HANGUP_PEER) {
1604                         if (!chan->_softhangup)
1605                                 chan->hangupcause = peer->hangupcause;
1606                         ast_hangup(peer);
1607                 }
1608         }       
1609 out:
1610         if (moh) {
1611                 moh = 0;
1612                 ast_moh_stop(chan);
1613         } else if (sentringing) {
1614                 sentringing = 0;
1615                 ast_indicate(chan, -1);
1616         }
1617         ast_rtp_early_bridge(chan, NULL);
1618         hanguptree(outgoing, NULL);
1619         pbx_builtin_setvar_helper(chan, "DIALSTATUS", status);
1620         if (option_debug)
1621                 ast_log(LOG_DEBUG, "Exiting with DIALSTATUS=%s.\n", status);
1622         
1623         if ((ast_test_flag(peerflags, OPT_GO_ON)) && (!chan->_softhangup) && (res != AST_PBX_KEEPALIVE))
1624                 res = 0;
1625
1626 done:
1627         LOCAL_USER_REMOVE(u);    
1628         return res;
1629 }
1630
1631 static int dial_exec(struct ast_channel *chan, void *data)
1632 {
1633         struct ast_flags peerflags;
1634         memset(&peerflags, 0, sizeof(peerflags));
1635         return dial_exec_full(chan, data, &peerflags);
1636 }
1637
1638 static int retrydial_exec(struct ast_channel *chan, void *data)
1639 {
1640         char *announce = NULL, *dialdata = NULL;
1641         const char *context = NULL;
1642         int sleep = 0, loops = 0, res = -1;
1643         struct localuser *u;
1644         struct ast_flags peerflags;
1645         
1646         if (ast_strlen_zero(data)) {
1647                 ast_log(LOG_WARNING, "RetryDial requires an argument!\n");
1648                 return -1;
1649         }       
1650
1651         LOCAL_USER_ADD(u);
1652
1653         announce = ast_strdupa(data);
1654
1655         memset(&peerflags, 0, sizeof(peerflags));
1656
1657         if ((dialdata = strchr(announce, '|'))) {
1658                 *dialdata++ = '\0';
1659                 if ((sleep = atoi(dialdata))) {
1660                         sleep *= 1000;
1661                 } else {
1662                         ast_log(LOG_ERROR, "%s requires the numerical argument <sleep>\n",rapp);
1663                         goto done;
1664                 }
1665                 if ((dialdata = strchr(dialdata, '|'))) {
1666                         *dialdata++ = '\0';
1667                         if (!(loops = atoi(dialdata))) {
1668                                 ast_log(LOG_ERROR, "%s requires the numerical argument <loops>\n",rapp);
1669                                 goto done;
1670                         }
1671                 }
1672         }
1673         
1674         if ((dialdata = strchr(dialdata, '|'))) {
1675                 *dialdata++ = '\0';
1676         } else {
1677                 ast_log(LOG_ERROR, "%s requires more arguments\n",rapp);
1678                 goto done;
1679         }
1680                 
1681         if (sleep < 1000)
1682                 sleep = 10000;
1683
1684         if (!loops)
1685                 loops = -1;     /* run forever */
1686         
1687         context = pbx_builtin_getvar_helper(chan, "EXITCONTEXT");
1688
1689         res = 0;
1690         while (loops) {
1691                 chan->data = "Retrying";
1692                 if (ast_test_flag(chan, AST_FLAG_MOH))
1693                         ast_moh_stop(chan);
1694
1695                 if ((res = dial_exec_full(chan, dialdata, &peerflags)) == 0) {
1696                         if (ast_test_flag(&peerflags, OPT_DTMF_EXIT)) {
1697                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1698                                         res = ast_waitstream(chan, AST_DIGIT_ANY);
1699                                 if (!res && sleep) {
1700                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1701                                                 ast_moh_start(chan, NULL);
1702                                         res = ast_waitfordigit(chan, sleep);
1703                                 }
1704                         } else {
1705                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1706                                         res = ast_waitstream(chan, "");
1707                                 if (sleep) {
1708                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1709                                                 ast_moh_start(chan, NULL);
1710                                         if (!res) 
1711                                                 res = ast_waitfordigit(chan, sleep);
1712                                 }
1713                         }
1714                 }
1715
1716                 if (res < 0)
1717                         break;
1718                 else if (res > 0) { /* Trying to send the call elsewhere (1 digit ext) */
1719                         if (onedigit_goto(chan, context, (char) res, 1)) {
1720                                 res = 0;
1721                                 break;
1722                         }
1723                 }
1724                 loops--;
1725         }
1726         if (loops == 0)
1727                 res = 0;
1728         
1729         if (ast_test_flag(chan, AST_FLAG_MOH))
1730                 ast_moh_stop(chan);
1731 done:
1732         LOCAL_USER_REMOVE(u);
1733         return res;
1734 }
1735
1736 static int unload_module(void *mod)
1737 {
1738         int res;
1739
1740         res = ast_unregister_application(app);
1741         res |= ast_unregister_application(rapp);
1742
1743         STANDARD_HANGUP_LOCALUSERS;
1744         
1745         return res;
1746 }
1747
1748 static int load_module(void *mod)
1749 {
1750         int res;
1751
1752         res = ast_register_application(app, dial_exec, synopsis, descrip);
1753         res |= ast_register_application(rapp, retrydial_exec, rsynopsis, rdescrip);
1754         
1755         return res;
1756 }
1757
1758 static const char *description(void)
1759 {
1760         return "Dialing Application";
1761 }
1762
1763 static const char *key(void)
1764 {
1765         return ASTERISK_GPL_KEY;
1766 }
1767
1768 STD_MOD(MOD_1, NULL, NULL, NULL);