merge Russell's 'hold_handling' branch, finally implementing music-on-hold handling...
[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) && 
732                                 ((f->subclass == AST_CONTROL_HOLD) || 
733                                  (f->subclass == AST_CONTROL_UNHOLD) || 
734                                  (f->subclass == AST_CONTROL_VIDUPDATE))) {
735                                 if (option_verbose > 2)
736                                         ast_verbose(VERBOSE_PREFIX_3 "%s requested special control %d, passing it to %s\n", in->name, f->subclass, outgoing->chan->name);
737                                 ast_indicate_data(outgoing->chan, f->subclass, f->data, f->datalen);
738                         }
739                         ast_frfree(f);
740                 }
741                 if (!*to && (option_verbose > 2))
742                         ast_verbose(VERBOSE_PREFIX_3 "Nobody picked up in %d ms\n", orig);
743         }
744
745         return peer;
746 }
747
748 static void replace_macro_delimiter(char *s)
749 {
750         for (; *s; s++)
751                 if (*s == '^')
752                         *s = '|';
753 }
754
755
756 /* returns true if there is a valid privacy reply */
757 static int valid_priv_reply(struct ast_flags *opts, int res)
758 {
759         if (res < '1')
760                 return 0;
761         if (ast_test_flag(opts, OPT_PRIVACY) && res <= '5')
762                 return 1;
763         if (ast_test_flag(opts, OPT_SCREENING) && res <= '4')
764                 return 1;
765         return 0;
766 }
767
768 static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags *peerflags)
769 {
770         int res = -1;
771         struct localuser *u;
772         char *rest, *cur;
773         struct dial_localuser *outgoing = NULL;
774         struct ast_channel *peer;
775         int to;
776         int numbusy = 0;
777         int numcongestion = 0;
778         int numnochan = 0;
779         int cause;
780         char numsubst[AST_MAX_EXTENSION];
781         char cidname[AST_MAX_EXTENSION];
782         int privdb_val = 0;
783         unsigned int calldurationlimit = 0;
784         long timelimit = 0;
785         long play_warning = 0;
786         long warning_freq = 0;
787         const char *warning_sound = NULL;
788         const char *end_sound = NULL;
789         const char *start_sound = NULL;
790         char *dtmfcalled = NULL, *dtmfcalling = NULL;
791         char status[256];
792         int play_to_caller = 0, play_to_callee = 0;
793         int sentringing = 0, moh = 0;
794         const char *outbound_group = NULL;
795         int result = 0;
796         time_t start_time;
797         char privintro[1024];
798         char privcid[256];
799         char *parse;
800         int opermode = 0;
801         AST_DECLARE_APP_ARGS(args,
802                              AST_APP_ARG(peers);
803                              AST_APP_ARG(timeout);
804                              AST_APP_ARG(options);
805                              AST_APP_ARG(url);
806         );
807         struct ast_flags opts = { 0, };
808         char *opt_args[OPT_ARG_ARRAY_SIZE];
809
810         if (ast_strlen_zero(data)) {
811                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
812                 return -1;
813         }
814
815         LOCAL_USER_ADD(u);
816
817         parse = ast_strdupa(data);
818
819         AST_STANDARD_APP_ARGS(args, parse);
820
821         if (!ast_strlen_zero(args.options) &&
822                         ast_app_parse_options(dial_exec_options, &opts, opt_args, args.options))
823                 goto done;
824
825         if (ast_strlen_zero(args.peers)) {
826                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
827                 goto done;
828         }
829
830         if (ast_test_flag(&opts, OPT_OPERMODE)) {
831                 if (ast_strlen_zero(opt_args[OPT_ARG_OPERMODE]))
832                         opermode = 1;
833                 else opermode = atoi(opt_args[OPT_ARG_OPERMODE]);
834                 if (option_verbose > 2)
835                         ast_verbose(VERBOSE_PREFIX_3 "Setting operator services mode to %d.\n", opermode);
836         }
837         
838         if (ast_test_flag(&opts, OPT_DURATION_STOP) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_STOP])) {
839                 calldurationlimit = atoi(opt_args[OPT_ARG_DURATION_STOP]);
840                 if (!calldurationlimit) {
841                         ast_log(LOG_WARNING, "Dial does not accept S(%s), hanging up.\n", opt_args[OPT_ARG_DURATION_STOP]);
842                         goto done;
843                 }
844                 if (option_verbose > 2)
845                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n", calldurationlimit);
846         }
847
848         if (ast_test_flag(&opts, OPT_SENDDTMF) && !ast_strlen_zero(opt_args[OPT_ARG_SENDDTMF])) {
849                 dtmfcalling = opt_args[OPT_ARG_SENDDTMF];
850                 dtmfcalled = strsep(&dtmfcalling, ":");
851         }
852
853         if (ast_test_flag(&opts, OPT_DURATION_LIMIT) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_LIMIT])) {
854                 char *limit_str, *warning_str, *warnfreq_str;
855                 const char *var;
856
857                 warnfreq_str = opt_args[OPT_ARG_DURATION_LIMIT];
858                 limit_str = strsep(&warnfreq_str, ":");
859                 warning_str = strsep(&warnfreq_str, ":");
860
861                 timelimit = atol(limit_str);
862                 if (warning_str)
863                         play_warning = atol(warning_str);
864                 if (warnfreq_str)
865                         warning_freq = atol(warnfreq_str);
866
867                 if (!timelimit) {
868                         ast_log(LOG_WARNING, "Dial does not accept L(%s), hanging up.\n", limit_str);
869                         goto done;
870                 } else if (play_warning > timelimit) {
871                         /* If the first warning is requested _after_ the entire call would end,
872                            and no warning frequency is requested, then turn off the warning. If
873                            a warning frequency is requested, reduce the 'first warning' time by
874                            that frequency until it falls within the call's total time limit.
875                         */
876
877                         if (!warning_freq) {
878                                 play_warning = 0;
879                         } else {
880                                 /* XXX fix this!! */
881                                 while (play_warning > timelimit)
882                                         play_warning -= warning_freq;
883                                 if (play_warning < 1)
884                                         play_warning = warning_freq = 0;
885                         }
886                 }
887
888                 var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLER");
889                 play_to_caller = var ? ast_true(var) : 1;
890                 
891                 var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLEE");
892                 play_to_callee = var ? ast_true(var) : 0;
893                 
894                 if (!play_to_caller && !play_to_callee)
895                         play_to_caller = 1;
896                 
897                 var = pbx_builtin_getvar_helper(chan,"LIMIT_WARNING_FILE");
898                 warning_sound = S_OR(var, "timeleft");
899                 
900                 var = pbx_builtin_getvar_helper(chan,"LIMIT_TIMEOUT_FILE");
901                 end_sound = S_OR(var, NULL);    /* XXX not much of a point in doing this! */
902                 
903                 var = pbx_builtin_getvar_helper(chan,"LIMIT_CONNECT_FILE");
904                 start_sound = S_OR(var, NULL);  /* XXX not much of a point in doing this! */
905
906                 /* undo effect of S(x) in case they are both used */
907                 calldurationlimit = 0;
908                 /* more efficient to do it like S(x) does since no advanced opts */
909                 if (!play_warning && !start_sound && !end_sound && timelimit) {
910                         calldurationlimit = timelimit / 1000;
911                         if (option_verbose > 2)
912                                 ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n", calldurationlimit);
913                         timelimit = play_to_caller = play_to_callee = play_warning = warning_freq = 0;
914                 } else if (option_verbose > 2) {
915                         ast_verbose(VERBOSE_PREFIX_3 "Limit Data for this call:\n");
916                         ast_verbose(VERBOSE_PREFIX_4 "timelimit      = %ld\n", timelimit);
917                         ast_verbose(VERBOSE_PREFIX_4 "play_warning   = %ld\n", play_warning);
918                         ast_verbose(VERBOSE_PREFIX_4 "play_to_caller = %s\n", play_to_caller ? "yes" : "no");
919                         ast_verbose(VERBOSE_PREFIX_4 "play_to_callee = %s\n", play_to_callee ? "yes" : "no");
920                         ast_verbose(VERBOSE_PREFIX_4 "warning_freq   = %ld\n", warning_freq);
921                         ast_verbose(VERBOSE_PREFIX_4 "start_sound    = %s\n", start_sound);
922                         ast_verbose(VERBOSE_PREFIX_4 "warning_sound  = %s\n", warning_sound);
923                         ast_verbose(VERBOSE_PREFIX_4 "end_sound      = %s\n", end_sound);
924                 }
925         }
926
927         if (ast_test_flag(&opts, OPT_RESETCDR) && chan->cdr)
928                 ast_cdr_reset(chan->cdr, NULL);
929         if (ast_test_flag(&opts, OPT_PRIVACY) && ast_strlen_zero(opt_args[OPT_ARG_PRIVACY]))
930                 opt_args[OPT_ARG_PRIVACY] = ast_strdupa(chan->exten);
931         if (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) {
932                 char callerid[60];
933                 char *l = chan->cid.cid_num;    /* XXX watch out, we are overwriting it */
934                 if (!ast_strlen_zero(l)) {
935                         ast_shrink_phone_number(l);
936                         if( ast_test_flag(&opts, OPT_PRIVACY) ) {
937                                 if (option_verbose > 2)
938                                         ast_verbose(VERBOSE_PREFIX_3  "Privacy DB is '%s', clid is '%s'\n",
939                                                      opt_args[OPT_ARG_PRIVACY], l);
940                                 privdb_val = ast_privacy_check(opt_args[OPT_ARG_PRIVACY], l);
941                         }
942                         else {
943                                 if (option_verbose > 2)
944                                         ast_verbose(VERBOSE_PREFIX_3  "Privacy Screening, clid is '%s'\n", l);
945                                 privdb_val = AST_PRIVACY_UNKNOWN;
946                         }
947                 } else {
948                         char *tnam, *tn2;
949
950                         tnam = ast_strdupa(chan->name);
951                         /* clean the channel name so slashes don't try to end up in disk file name */
952                         for(tn2 = tnam; *tn2; tn2++) {
953                                 if( *tn2=='/')
954                                         *tn2 = '=';  /* any other chars to be afraid of? */
955                         }
956                         if (option_verbose > 2)
957                                 ast_verbose(VERBOSE_PREFIX_3  "Privacy-- callerid is empty\n");
958
959                         snprintf(callerid, sizeof(callerid), "NOCALLERID_%s%s", chan->exten, tnam);
960                         l = callerid;
961                         privdb_val = AST_PRIVACY_UNKNOWN;
962                 }
963                 
964                 ast_copy_string(privcid,l,sizeof(privcid));
965
966                 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 */  
967                         if (option_verbose > 2)
968                                 ast_verbose( VERBOSE_PREFIX_3  "CallerID set (%s); N option set; Screening should be off\n", privcid);
969                         privdb_val = AST_PRIVACY_ALLOW;
970                 }
971                 else if(ast_test_flag(&opts, OPT_SCREEN_NOCLID) && strncmp(privcid,"NOCALLERID",10) == 0 ) {
972                         if (option_verbose > 2)
973                                 ast_verbose( VERBOSE_PREFIX_3  "CallerID blank; N option set; Screening should happen; dbval is %d\n", privdb_val);
974                 }
975                 
976                 if(privdb_val == AST_PRIVACY_DENY ) {
977                         ast_copy_string(status, "NOANSWER", sizeof(status));
978                         if (option_verbose > 2)
979                                 ast_verbose( VERBOSE_PREFIX_3  "Privacy DB reports PRIVACY_DENY for this callerid. Dial reports unavailable\n");
980                         res=0;
981                         goto out;
982                 }
983                 else if(privdb_val == AST_PRIVACY_KILL ) {
984                         ast_copy_string(status, "DONTCALL", sizeof(status));
985                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
986                                 ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 201);
987                         }
988                         res = 0;
989                         goto out; /* Is this right? */
990                 }
991                 else if(privdb_val == AST_PRIVACY_TORTURE ) {
992                         ast_copy_string(status, "TORTURE", sizeof(status));
993                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
994                                 ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 301);
995                         }
996                         res = 0;
997                         goto out; /* is this right??? */
998                 }
999                 else if(privdb_val == AST_PRIVACY_UNKNOWN ) {
1000                         /* Get the user's intro, store it in priv-callerintros/$CID, 
1001                            unless it is already there-- this should be done before the 
1002                            call is actually dialed  */
1003
1004                         /* make sure the priv-callerintros dir exists? */
1005
1006                         snprintf(privintro,sizeof(privintro), "priv-callerintros/%s", privcid);
1007                         if( ast_fileexists(privintro,NULL,NULL ) > 0 && strncmp(privcid,"NOCALLERID",10) != 0) {
1008                                 /* the DELUX version of this code would allow this caller the
1009                                    option to hear and retape their previously recorded intro.
1010                                 */
1011                         }
1012                         else {
1013                                 int duration; /* for feedback from play_and_wait */
1014                                 /* the file doesn't exist yet. Let the caller submit his
1015                                    vocal intro for posterity */
1016                                 /* priv-recordintro script:
1017
1018                                    "At the tone, please say your name:"
1019
1020                                 */
1021                                 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 */
1022                                                                                 /* don't think we'll need a lock removed, we took care of
1023                                                                                    conflicts by naming the privintro file */
1024                                 if (res == -1) {
1025                                         /* Delete the file regardless since they hung up during recording */
1026                                         ast_filedelete(privintro, NULL);
1027                                         if( ast_fileexists(privintro,NULL,NULL ) > 0 )
1028                                                 ast_log(LOG_NOTICE,"privacy: ast_filedelete didn't do its job on %s\n", privintro);
1029                                         else if (option_verbose > 2)
1030                                                 ast_verbose( VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", privintro);
1031                                         goto out;
1032                                 }
1033                                 if( !ast_streamfile(chan, "vm-dialout", chan->language) )
1034                                         ast_waitstream(chan, "");
1035                         }
1036                 }
1037         }
1038
1039         /* If a channel group has been specified, get it for use when we create peer channels */
1040         outbound_group = pbx_builtin_getvar_helper(chan, "OUTBOUND_GROUP");
1041
1042         ast_copy_flags(peerflags, &opts, OPT_DTMF_EXIT | OPT_GO_ON | OPT_ORIGINAL_CLID | OPT_CALLER_HANGUP | OPT_IGNORE_FORWARDING);
1043         /* loop through the list of dial destinations */
1044         rest = args.peers;
1045         while ((cur = strsep(&rest, "&")) ) {
1046                 struct dial_localuser *tmp;
1047                 /* Get a technology/[device:]number pair */
1048                 char *number = cur;
1049                 char *tech = strsep(&number, "/");
1050                 if (!number) {
1051                         ast_log(LOG_WARNING, "Dial argument takes format (technology/[device:]number1)\n");
1052                         goto out;
1053                 }
1054                 if (!(tmp = ast_calloc(1, sizeof(*tmp))))
1055                         goto out;
1056                 if (opts.flags) {
1057                         ast_copy_flags(tmp, &opts,
1058                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
1059                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
1060                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
1061                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
1062                                        OPT_RINGBACK | OPT_MUSICBACK | OPT_FORCECLID);
1063                         ast_set2_flag(tmp, args.url, DIAL_NOFORWARDHTML);       
1064                 }
1065                 ast_copy_string(numsubst, number, sizeof(numsubst));
1066                 /* Request the peer */
1067                 tmp->chan = ast_request(tech, chan->nativeformats, numsubst, &cause);
1068                 if (!tmp->chan) {
1069                         /* If we can't, just go on to the next call */
1070                         ast_log(LOG_WARNING, "Unable to create channel of type '%s' (cause %d - %s)\n", tech, cause, ast_cause2str(cause));
1071                         HANDLE_CAUSE(cause, chan);
1072                         if (!rest)      /* we are on the last destination */
1073                                 chan->hangupcause = cause;
1074                         continue;
1075                 }
1076                 pbx_builtin_setvar_helper(tmp->chan, "DIALEDPEERNUMBER", numsubst);
1077                 if (!ast_strlen_zero(tmp->chan->call_forward)) {
1078                         char tmpchan[256];
1079                         char *stuff;
1080                         char *tech;
1081                         ast_copy_string(tmpchan, tmp->chan->call_forward, sizeof(tmpchan));
1082                         if ((stuff = strchr(tmpchan, '/'))) {
1083                                 *stuff++ = '\0';
1084                                 tech = tmpchan;
1085                         } else {
1086                                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", tmp->chan->call_forward, tmp->chan->context);
1087                                 stuff = tmpchan;
1088                                 tech = "Local";
1089                         }
1090                         tmp->forwards++;
1091                         if (tmp->forwards < AST_MAX_FORWARDS) {
1092                                 if (option_verbose > 2)
1093                                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", chan->name, tech, stuff, tmp->chan->name);
1094                                 ast_hangup(tmp->chan);
1095                                 /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
1096                                 if (ast_test_flag(&opts, OPT_IGNORE_FORWARDING)) {
1097                                         tmp->chan = NULL;
1098                                         cause = AST_CAUSE_BUSY;
1099                                         if (option_verbose > 2)
1100                                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n", chan->name, tech, stuff);
1101                                 } else {
1102                                         tmp->chan = ast_request(tech, chan->nativeformats, stuff, &cause);
1103                                 }
1104                                 if (!tmp->chan)
1105                                         ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
1106                                 else
1107                                         ast_channel_inherit_variables(chan, tmp->chan);
1108                         } else {
1109                                 if (option_verbose > 2)
1110                                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", tmp->chan->name);
1111                                 ast_hangup(tmp->chan);
1112                                 tmp->chan = NULL;
1113                                 cause = AST_CAUSE_CONGESTION;
1114                         }
1115                         if (!tmp->chan) {
1116                                 HANDLE_CAUSE(cause, chan);
1117                                 continue;
1118                         }
1119                 }
1120
1121                 /* Setup outgoing SDP to match incoming one */
1122                 ast_rtp_make_compatible(tmp->chan, chan, !outgoing && !rest);
1123                 
1124                 /* Inherit specially named variables from parent channel */
1125                 ast_channel_inherit_variables(chan, tmp->chan);
1126
1127                 tmp->chan->appl = "AppDial";
1128                 tmp->chan->data = "(Outgoing Line)";
1129                 tmp->chan->whentohangup = 0;
1130
1131                 if (tmp->chan->cid.cid_num)
1132                         free(tmp->chan->cid.cid_num);
1133                 tmp->chan->cid.cid_num = ast_strdup(chan->cid.cid_num);
1134
1135                 if (tmp->chan->cid.cid_name)
1136                         free(tmp->chan->cid.cid_name);
1137                 tmp->chan->cid.cid_name = ast_strdup(chan->cid.cid_name);
1138
1139                 if (tmp->chan->cid.cid_ani)
1140                         free(tmp->chan->cid.cid_ani);
1141                 tmp->chan->cid.cid_ani = ast_strdup(chan->cid.cid_ani);
1142                 
1143                 /* Copy language from incoming to outgoing */
1144                 ast_string_field_set(tmp->chan, language, chan->language);
1145                 ast_string_field_set(tmp->chan, accountcode, chan->accountcode);
1146                 tmp->chan->cdrflags = chan->cdrflags;
1147                 if (ast_strlen_zero(tmp->chan->musicclass))
1148                         ast_string_field_set(tmp->chan, musicclass, chan->musicclass);
1149                 /* XXX don't we free previous values ? */
1150                 tmp->chan->cid.cid_rdnis = ast_strdup(chan->cid.cid_rdnis);
1151                 /* Pass callingpres setting */
1152                 tmp->chan->cid.cid_pres = chan->cid.cid_pres;
1153                 /* Pass type of number */
1154                 tmp->chan->cid.cid_ton = chan->cid.cid_ton;
1155                 /* Pass type of tns */
1156                 tmp->chan->cid.cid_tns = chan->cid.cid_tns;
1157                 /* Presense of ADSI CPE on outgoing channel follows ours */
1158                 tmp->chan->adsicpe = chan->adsicpe;
1159                 /* Pass the transfer capability */
1160                 tmp->chan->transfercapability = chan->transfercapability;
1161
1162                 /* If we have an outbound group, set this peer channel to it */
1163                 if (outbound_group)
1164                         ast_app_group_set_channel(tmp->chan, outbound_group);
1165
1166                 /* Place the call, but don't wait on the answer */
1167                 res = ast_call(tmp->chan, numsubst, 0);
1168
1169                 /* Save the info in cdr's that we called them */
1170                 if (chan->cdr)
1171                         ast_cdr_setdestchan(chan->cdr, tmp->chan->name);
1172
1173                 /* check the results of ast_call */
1174                 if (res) {
1175                         /* Again, keep going even if there's an error */
1176                         if (option_debug)
1177                                 ast_log(LOG_DEBUG, "ast call on peer returned %d\n", res);
1178                         else if (option_verbose > 2)
1179                                 ast_verbose(VERBOSE_PREFIX_3 "Couldn't call %s\n", numsubst);
1180                         ast_hangup(tmp->chan);
1181                         tmp->chan = NULL;
1182                         continue;
1183                 } else {
1184                         senddialevent(chan, tmp->chan);
1185                         if (option_verbose > 2)
1186                                 ast_verbose(VERBOSE_PREFIX_3 "Called %s\n", numsubst);
1187                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID))
1188                                 ast_set_callerid(tmp->chan, S_OR(chan->macroexten, chan->exten), get_cid_name(cidname, sizeof(cidname), chan), NULL);
1189                 }
1190                 /* Put them in the list of outgoing thingies...  We're ready now. 
1191                    XXX If we're forcibly removed, these outgoing calls won't get
1192                    hung up XXX */
1193                 ast_set_flag(tmp, DIAL_STILLGOING);     
1194                 tmp->next = outgoing;
1195                 outgoing = tmp;
1196                 /* If this line is up, don't try anybody else */
1197                 if (outgoing->chan->_state == AST_STATE_UP)
1198                         break;
1199         }
1200         
1201         if (ast_strlen_zero(args.timeout)) {
1202                 to = -1;
1203         } else {
1204                 to = atoi(args.timeout);
1205                 if (to > 0)
1206                         to *= 1000;
1207                 else
1208                         ast_log(LOG_WARNING, "Invalid timeout specified: '%s'\n", args.timeout);
1209         }
1210
1211         if (!outgoing) {
1212                 strcpy(status, "CHANUNAVAIL");
1213         } else {
1214                 /* Our status will at least be NOANSWER */
1215                 strcpy(status, "NOANSWER");
1216                 if (ast_test_flag(outgoing, OPT_MUSICBACK)) {
1217                         moh = 1;
1218                         ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1219                 } else if (ast_test_flag(outgoing, OPT_RINGBACK)) {
1220                         ast_indicate(chan, AST_CONTROL_RINGING);
1221                         sentringing++;
1222                 }
1223         }
1224
1225         time(&start_time);
1226         peer = wait_for_answer(chan, outgoing, &to, peerflags, &sentringing, status, sizeof(status), numbusy, numnochan, numcongestion, ast_test_flag(&opts, OPT_PRIORITY_JUMP), &result);
1227         
1228         if (!peer) {
1229                 if (result) {
1230                         res = result;
1231                 } else if (to) { /* Musta gotten hung up */
1232                         res = -1;
1233                 } else { /* Nobody answered, next please? */
1234                         res = 0;
1235                 }
1236                 /* almost done, although the 'else' block is 400 lines */
1237         } else {
1238                 const char *number;
1239                 time_t end_time, answer_time = time(NULL);
1240
1241                 strcpy(status, "ANSWER");
1242                 /* Ah ha!  Someone answered within the desired timeframe.  Of course after this
1243                    we will always return with -1 so that it is hung up properly after the 
1244                    conversation.  */
1245                 hanguptree(outgoing, peer);
1246                 outgoing = NULL;
1247                 /* If appropriate, log that we have a destination channel */
1248                 if (chan->cdr)
1249                         ast_cdr_setdestchan(chan->cdr, peer->name);
1250                 if (peer->name)
1251                         pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", peer->name);
1252
1253                 number = pbx_builtin_getvar_helper(peer, "DIALEDPEERNUMBER");
1254                 if (!number)
1255                         number = numsubst;
1256                 pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", number);
1257                 if (!ast_strlen_zero(args.url) && ast_channel_supports_html(peer) ) {
1258                         if (option_debug)
1259                                 ast_log(LOG_DEBUG, "app_dial: sendurl=%s.\n", args.url);
1260                         ast_channel_sendurl( peer, args.url );
1261                 }
1262                 if ( (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) && privdb_val == AST_PRIVACY_UNKNOWN) {
1263                         int res2;
1264                         int loopcount = 0;
1265
1266                         /* Get the user's intro, store it in priv-callerintros/$CID, 
1267                            unless it is already there-- this should be done before the 
1268                            call is actually dialed  */
1269
1270                         /* all ring indications and moh for the caller has been halted as soon as the 
1271                            target extension was picked up. We are going to have to kill some
1272                            time and make the caller believe the peer hasn't picked up yet */
1273
1274                         if (ast_test_flag(&opts, OPT_MUSICBACK) && !ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
1275                                 ast_indicate(chan, -1);
1276                                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1277                         } else if (ast_test_flag(&opts, OPT_RINGBACK)) {
1278                                 ast_indicate(chan, AST_CONTROL_RINGING);
1279                                 sentringing++;
1280                         }
1281
1282                         /* Start autoservice on the other chan ?? */
1283                         res2 = ast_autoservice_start(chan);
1284                         /* Now Stream the File */
1285                         for (loopcount = 0; loopcount < 3; loopcount++) {
1286                                 if (res2 && loopcount == 0)     /* error in ast_autoservice_start() */
1287                                         break;
1288                                 if (!res2)      /* on timeout, play the message again */
1289                                         res2 = ast_play_and_wait(peer,"priv-callpending");
1290                                 if (!valid_priv_reply(&opts, res2))
1291                                         res2 = 0;
1292                                 /* priv-callpending script: 
1293                                    "I have a caller waiting, who introduces themselves as:"
1294                                 */
1295                                 if (!res2)
1296                                         res2 = ast_play_and_wait(peer,privintro);
1297                                 if (!valid_priv_reply(&opts, res2))
1298                                         res2 = 0;
1299                                 /* now get input from the called party, as to their choice */
1300                                 if( !res2 ) {
1301                                         /* XXX can we have both, or they are mutually exclusive ? */
1302                                         if( ast_test_flag(&opts, OPT_PRIVACY) )
1303                                                 res2 = ast_play_and_wait(peer,"priv-callee-options");
1304                                         if( ast_test_flag(&opts, OPT_SCREENING) )
1305                                                 res2 = ast_play_and_wait(peer,"screen-callee-options");
1306                                 }
1307                                 /*! \page DialPrivacy Dial Privacy scripts
1308                                 \par priv-callee-options script:
1309                                         "Dial 1 if you wish this caller to reach you directly in the future,
1310                                                 and immediately connect to their incoming call
1311                                          Dial 2 if you wish to send this caller to voicemail now and 
1312                                                 forevermore.
1313                                          Dial 3 to send this caller to the torture menus, now and forevermore.
1314                                          Dial 4 to send this caller to a simple "go away" menu, now and forevermore.
1315                                          Dial 5 to allow this caller to come straight thru to you in the future,
1316                                                 but right now, just this once, send them to voicemail."
1317                                 \par screen-callee-options script:
1318                                         "Dial 1 if you wish to immediately connect to the incoming call
1319                                          Dial 2 if you wish to send this caller to voicemail.
1320                                          Dial 3 to send this caller to the torture menus.
1321                                          Dial 4 to send this caller to a simple "go away" menu.
1322                                 */
1323                                 if (valid_priv_reply(&opts, res2))
1324                                         break;
1325                                 /* invalid option */
1326                                 res2 = ast_play_and_wait(peer, "vm-sorry");
1327                         }
1328
1329                         if (ast_test_flag(&opts, OPT_MUSICBACK)) {
1330                                 ast_moh_stop(chan);
1331                         } else if (ast_test_flag(&opts, OPT_RINGBACK)) {
1332                                 ast_indicate(chan, -1);
1333                                 sentringing=0;
1334                         }
1335                         ast_autoservice_stop(chan);
1336
1337                         switch (res2) {
1338                         case '1':
1339                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1340                                         if (option_verbose > 2)
1341                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to ALLOW\n",
1342                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1343                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_ALLOW);
1344                                 }
1345                                 break;
1346                         case '2':
1347                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1348                                         if (option_verbose > 2)
1349                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to DENY\n",
1350                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1351                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_DENY);
1352                                 }
1353                                 ast_copy_string(status, "NOANSWER", sizeof(status));
1354                                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1355                                 res=0;
1356                                 goto out;
1357                         case '3':
1358                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1359                                         if (option_verbose > 2)
1360                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to TORTURE\n",
1361                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1362                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_TORTURE);
1363                                 }
1364                                 ast_copy_string(status, "TORTURE", sizeof(status));
1365                                 
1366                                 res = 0;
1367                                 ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1368                                 goto out; /* Is this right? */
1369                         case '4':
1370                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1371                                         if (option_verbose > 2)
1372                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to KILL\n",
1373                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1374                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_KILL);
1375                                 }
1376
1377                                 ast_copy_string(status, "DONTCALL", sizeof(status));
1378                                 res = 0;
1379                                 ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1380                                 goto out; /* Is this right? */
1381                         case '5':
1382                                 if( ast_test_flag(&opts, OPT_PRIVACY) ) {
1383                                         if (option_verbose > 2)
1384                                                 ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to ALLOW\n",
1385                                                              opt_args[OPT_ARG_PRIVACY], privcid);
1386                                         ast_privacy_set(opt_args[OPT_ARG_PRIVACY], privcid, AST_PRIVACY_ALLOW);
1387                                         ast_hangup(peer); /* hang up on the caller -- he didn't want to talk anyway! */
1388                                         res=0;
1389                                         goto out;
1390                                 } /* if not privacy, then 5 is the same as "default" case */
1391                         default:        /* bad input or -1 if failure to start autoservice */
1392                                 /* well, if the user messes up, ... he had his chance... What Is The Best Thing To Do?  */
1393                                 /* well, there seems basically two choices. Just patch the caller thru immediately,
1394                                           or,... put 'em thru to voicemail. */
1395                                 /* since the callee may have hung up, let's do the voicemail thing, no database decision */
1396                                 ast_log(LOG_NOTICE, "privacy: no valid response from the callee. Sending the caller to voicemail, the callee isn't responding\n");
1397                                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1398                                 res=0;
1399                                 goto out;
1400                         }
1401
1402                         /* XXX once again, this path is only taken in the case '1', so it could be
1403                          * moved there, although i am not really sure that this is correct - maybe
1404                          * the check applies to other cases as well.
1405                          */
1406                         /* if the intro is NOCALLERID, then there's no reason to leave it on disk, it'll 
1407                            just clog things up, and it's not useful information, not being tied to a CID */
1408                         if( strncmp(privcid,"NOCALLERID",10) == 0 || ast_test_flag(&opts, OPT_SCREEN_NOINTRO) ) {
1409                                 ast_filedelete(privintro, NULL);
1410                                 if( ast_fileexists(privintro, NULL, NULL ) > 0 )
1411                                         ast_log(LOG_NOTICE, "privacy: ast_filedelete didn't do its job on %s\n", privintro);
1412                                 else if (option_verbose > 2)
1413                                         ast_verbose(VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", privintro);
1414                         }
1415                 }
1416                 if (!ast_test_flag(&opts, OPT_ANNOUNCE) || ast_strlen_zero(opt_args[OPT_ARG_ANNOUNCE])) {
1417                         res = 0;
1418                 } else {
1419                         int digit = 0;
1420                         /* Start autoservice on the other chan */
1421                         res = ast_autoservice_start(chan);
1422                         /* Now Stream the File */
1423                         if (!res)
1424                                 res = ast_streamfile(peer, opt_args[OPT_ARG_ANNOUNCE], peer->language);
1425                         if (!res) {
1426                                 digit = ast_waitstream(peer, AST_DIGIT_ANY); 
1427                         }
1428                         /* Ok, done. stop autoservice */
1429                         res = ast_autoservice_stop(chan);
1430                         if (digit > 0 && !res)
1431                                 res = ast_senddigit(chan, digit); 
1432                         else
1433                                 res = digit;
1434
1435                 }
1436
1437                 if (chan && peer && ast_test_flag(&opts, OPT_GOTO) && !ast_strlen_zero(opt_args[OPT_ARG_GOTO])) {
1438                         replace_macro_delimiter(opt_args[OPT_ARG_GOTO]);
1439                         ast_parseable_goto(chan, opt_args[OPT_ARG_GOTO]);
1440                         ast_parseable_goto(peer, opt_args[OPT_ARG_GOTO]);
1441                         peer->priority++;
1442                         ast_pbx_start(peer);
1443                         hanguptree(outgoing, NULL);
1444                         res = 0;
1445                         goto done;
1446                 }
1447
1448                 if (ast_test_flag(&opts, OPT_CALLEE_MACRO) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_MACRO])) {
1449                         struct ast_app *theapp;
1450                         const char *macro_result;
1451
1452                         res = ast_autoservice_start(chan);
1453                         if (res) {
1454                                 ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
1455                                 res = -1;
1456                         }
1457
1458                         theapp = pbx_findapp("Macro");
1459
1460                         if (theapp && !res) {   /* XXX why check res here ? */
1461                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_MACRO]);
1462                                 res = pbx_exec(peer, theapp, opt_args[OPT_ARG_CALLEE_MACRO]);
1463                                 ast_log(LOG_DEBUG, "Macro exited with status %d\n", res);
1464                                 res = 0;
1465                         } else {
1466                                 ast_log(LOG_ERROR, "Could not find application Macro\n");
1467                                 res = -1;
1468                         }
1469
1470                         if (ast_autoservice_stop(chan) < 0) {
1471                                 ast_log(LOG_ERROR, "Could not stop autoservice on calling channel\n");
1472                                 res = -1;
1473                         }
1474
1475                         if (!res && (macro_result = pbx_builtin_getvar_helper(peer, "MACRO_RESULT"))) {
1476                                         char *macro_transfer_dest;
1477
1478                                         if (!strcasecmp(macro_result, "BUSY")) {
1479                                                 ast_copy_string(status, macro_result, sizeof(status));
1480                                                 if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1481                                                         if (!ast_goto_if_exists(chan, NULL, NULL, chan->priority + 101)) {
1482                                                                 ast_set_flag(peerflags, OPT_GO_ON);
1483                                                         }
1484                                                 } else
1485                                                         ast_set_flag(peerflags, OPT_GO_ON);
1486                                                 res = -1;
1487                                         } else if (!strcasecmp(macro_result, "CONGESTION") || !strcasecmp(macro_result, "CHANUNAVAIL")) {
1488                                                 ast_copy_string(status, macro_result, sizeof(status));
1489                                                 ast_set_flag(peerflags, OPT_GO_ON);     
1490                                                 res = -1;
1491                                         } else if (!strcasecmp(macro_result, "CONTINUE")) {
1492                                                 /* hangup peer and keep chan alive assuming the macro has changed 
1493                                                    the context / exten / priority or perhaps 
1494                                                    the next priority in the current exten is desired.
1495                                                 */
1496                                                 ast_set_flag(peerflags, OPT_GO_ON);     
1497                                                 res = -1;
1498                                         } else if (!strcasecmp(macro_result, "ABORT")) {
1499                                                 /* Hangup both ends unless the caller has the g flag */
1500                                                 res = -1;
1501                                         } else if (!strncasecmp(macro_result, "GOTO:", 5) && (macro_transfer_dest = ast_strdupa(macro_result + 5))) {
1502                                                 res = -1;
1503                                                 /* perform a transfer to a new extension */
1504                                                 if (strchr(macro_transfer_dest, '^')) { /* context^exten^priority*/
1505                                                         replace_macro_delimiter(macro_transfer_dest);
1506                                                         if (!ast_parseable_goto(chan, macro_transfer_dest))
1507                                                                 ast_set_flag(peerflags, OPT_GO_ON);
1508
1509                                                 }
1510                                         }
1511                         }
1512                 }
1513
1514                 if (!res) {
1515                         if (calldurationlimit > 0) {
1516                                 chan->whentohangup = time(NULL) + calldurationlimit;
1517                         }
1518                         if (!ast_strlen_zero(dtmfcalled)) { 
1519                                 if (option_verbose > 2)
1520                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the called party.\n", dtmfcalled);
1521                                 res = ast_dtmf_stream(peer,chan,dtmfcalled,250);
1522                         }
1523                         if (!ast_strlen_zero(dtmfcalling)) {
1524                                 if (option_verbose > 2)
1525                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the calling party.\n", dtmfcalling);
1526                                 res = ast_dtmf_stream(chan,peer,dtmfcalling,250);
1527                         }
1528                 }
1529                 
1530                 if (!res) {
1531                         struct ast_bridge_config config;
1532
1533                         memset(&config,0,sizeof(struct ast_bridge_config));
1534                         if (play_to_caller)
1535                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PLAY_WARNING);
1536                         if (play_to_callee)
1537                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PLAY_WARNING);
1538                         if (ast_test_flag(peerflags, OPT_CALLEE_TRANSFER))
1539                                 ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
1540                         if (ast_test_flag(peerflags, OPT_CALLER_TRANSFER))
1541                                 ast_set_flag(&(config.features_caller), AST_FEATURE_REDIRECT);
1542                         if (ast_test_flag(peerflags, OPT_CALLEE_HANGUP))
1543                                 ast_set_flag(&(config.features_callee), AST_FEATURE_DISCONNECT);
1544                         if (ast_test_flag(peerflags, OPT_CALLER_HANGUP))
1545                                 ast_set_flag(&(config.features_caller), AST_FEATURE_DISCONNECT);
1546                         if (ast_test_flag(peerflags, OPT_CALLEE_MONITOR))
1547                                 ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
1548                         if (ast_test_flag(peerflags, OPT_CALLER_MONITOR)) 
1549                                 ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
1550                         if (ast_test_flag(peerflags, OPT_CALLEE_PARK))
1551                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PARKCALL);
1552                         if (ast_test_flag(peerflags, OPT_CALLER_PARK))
1553                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PARKCALL);
1554
1555                         config.timelimit = timelimit;
1556                         config.play_warning = play_warning;
1557                         config.warning_freq = warning_freq;
1558                         config.warning_sound = warning_sound;
1559                         config.end_sound = end_sound;
1560                         config.start_sound = start_sound;
1561                         if (moh) {
1562                                 moh = 0;
1563                                 ast_moh_stop(chan);
1564                         } else if (sentringing) {
1565                                 sentringing = 0;
1566                                 ast_indicate(chan, -1);
1567                         }
1568                         /* Be sure no generators are left on it */
1569                         ast_deactivate_generator(chan);
1570                         /* Make sure channels are compatible */
1571                         res = ast_channel_make_compatible(chan, peer);
1572                         if (res < 0) {
1573                                 ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", chan->name, peer->name);
1574                                 ast_hangup(peer);
1575                                 res = -1;
1576                                 goto done;
1577                         }
1578                         if (opermode && (!strncmp(chan->name,"Zap",3)) &&
1579                                 (!strncmp(peer->name,"Zap",3)))
1580                         {
1581                                 struct oprmode oprmode;
1582
1583                                 oprmode.peer = peer;
1584                                 oprmode.mode = opermode;
1585
1586                                 ast_channel_setoption(chan,
1587                                         AST_OPTION_OPRMODE,&oprmode,sizeof(struct oprmode),0);
1588                         }
1589                         res = ast_bridge_call(chan,peer,&config);
1590                         time(&end_time);
1591                         {
1592                                 char toast[80];
1593                                 snprintf(toast, sizeof(toast), "%ld", (long)(end_time - answer_time));
1594                                 pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", toast);
1595                         }
1596                 } else {
1597                         time(&end_time);
1598                         res = -1;
1599                 }
1600                 {
1601                         char toast[80];
1602                         snprintf(toast, sizeof(toast), "%ld", (long)(end_time - start_time));
1603                         pbx_builtin_setvar_helper(chan, "DIALEDTIME", toast);
1604                 }
1605                 
1606                 if (res != AST_PBX_NO_HANGUP_PEER) {
1607                         if (!chan->_softhangup)
1608                                 chan->hangupcause = peer->hangupcause;
1609                         ast_hangup(peer);
1610                 }
1611         }       
1612 out:
1613         if (moh) {
1614                 moh = 0;
1615                 ast_moh_stop(chan);
1616         } else if (sentringing) {
1617                 sentringing = 0;
1618                 ast_indicate(chan, -1);
1619         }
1620         ast_rtp_early_bridge(chan, NULL);
1621         hanguptree(outgoing, NULL);
1622         pbx_builtin_setvar_helper(chan, "DIALSTATUS", status);
1623         if (option_debug)
1624                 ast_log(LOG_DEBUG, "Exiting with DIALSTATUS=%s.\n", status);
1625         
1626         if ((ast_test_flag(peerflags, OPT_GO_ON)) && (!chan->_softhangup) && (res != AST_PBX_KEEPALIVE))
1627                 res = 0;
1628
1629 done:
1630         LOCAL_USER_REMOVE(u);    
1631         return res;
1632 }
1633
1634 static int dial_exec(struct ast_channel *chan, void *data)
1635 {
1636         struct ast_flags peerflags;
1637         memset(&peerflags, 0, sizeof(peerflags));
1638         return dial_exec_full(chan, data, &peerflags);
1639 }
1640
1641 static int retrydial_exec(struct ast_channel *chan, void *data)
1642 {
1643         char *announce = NULL, *dialdata = NULL;
1644         const char *context = NULL;
1645         int sleep = 0, loops = 0, res = -1;
1646         struct localuser *u;
1647         struct ast_flags peerflags;
1648         
1649         if (ast_strlen_zero(data)) {
1650                 ast_log(LOG_WARNING, "RetryDial requires an argument!\n");
1651                 return -1;
1652         }       
1653
1654         LOCAL_USER_ADD(u);
1655
1656         announce = ast_strdupa(data);
1657
1658         memset(&peerflags, 0, sizeof(peerflags));
1659
1660         if ((dialdata = strchr(announce, '|'))) {
1661                 *dialdata++ = '\0';
1662                 if ((sleep = atoi(dialdata))) {
1663                         sleep *= 1000;
1664                 } else {
1665                         ast_log(LOG_ERROR, "%s requires the numerical argument <sleep>\n",rapp);
1666                         goto done;
1667                 }
1668                 if ((dialdata = strchr(dialdata, '|'))) {
1669                         *dialdata++ = '\0';
1670                         if (!(loops = atoi(dialdata))) {
1671                                 ast_log(LOG_ERROR, "%s requires the numerical argument <loops>\n",rapp);
1672                                 goto done;
1673                         }
1674                 }
1675         }
1676         
1677         if ((dialdata = strchr(dialdata, '|'))) {
1678                 *dialdata++ = '\0';
1679         } else {
1680                 ast_log(LOG_ERROR, "%s requires more arguments\n",rapp);
1681                 goto done;
1682         }
1683                 
1684         if (sleep < 1000)
1685                 sleep = 10000;
1686
1687         if (!loops)
1688                 loops = -1;     /* run forever */
1689         
1690         context = pbx_builtin_getvar_helper(chan, "EXITCONTEXT");
1691
1692         res = 0;
1693         while (loops) {
1694                 chan->data = "Retrying";
1695                 if (ast_test_flag(chan, AST_FLAG_MOH))
1696                         ast_moh_stop(chan);
1697
1698                 if ((res = dial_exec_full(chan, dialdata, &peerflags)) == 0) {
1699                         if (ast_test_flag(&peerflags, OPT_DTMF_EXIT)) {
1700                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1701                                         res = ast_waitstream(chan, AST_DIGIT_ANY);
1702                                 if (!res && sleep) {
1703                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1704                                                 ast_moh_start(chan, NULL, NULL);
1705                                         res = ast_waitfordigit(chan, sleep);
1706                                 }
1707                         } else {
1708                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1709                                         res = ast_waitstream(chan, "");
1710                                 if (sleep) {
1711                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1712                                                 ast_moh_start(chan, NULL, NULL);
1713                                         if (!res) 
1714                                                 res = ast_waitfordigit(chan, sleep);
1715                                 }
1716                         }
1717                 }
1718
1719                 if (res < 0)
1720                         break;
1721                 else if (res > 0) { /* Trying to send the call elsewhere (1 digit ext) */
1722                         if (onedigit_goto(chan, context, (char) res, 1)) {
1723                                 res = 0;
1724                                 break;
1725                         }
1726                 }
1727                 loops--;
1728         }
1729         if (loops == 0)
1730                 res = 0;
1731         
1732         if (ast_test_flag(chan, AST_FLAG_MOH))
1733                 ast_moh_stop(chan);
1734 done:
1735         LOCAL_USER_REMOVE(u);
1736         return res;
1737 }
1738
1739 static int unload_module(void *mod)
1740 {
1741         int res;
1742
1743         res = ast_unregister_application(app);
1744         res |= ast_unregister_application(rapp);
1745
1746         STANDARD_HANGUP_LOCALUSERS;
1747         
1748         return res;
1749 }
1750
1751 static int load_module(void *mod)
1752 {
1753         int res;
1754
1755         res = ast_register_application(app, dial_exec, synopsis, descrip);
1756         res |= ast_register_application(rapp, retrydial_exec, rsynopsis, rdescrip);
1757         
1758         return res;
1759 }
1760
1761 static const char *description(void)
1762 {
1763         return "Dialing Application";
1764 }
1765
1766 static const char *key(void)
1767 {
1768         return ASTERISK_GPL_KEY;
1769 }
1770
1771 STD_MOD(MOD_1, NULL, NULL, NULL);