e83f80a0e7b468c03e66ca90469a7ede51d7ec64
[asterisk/asterisk.git] / apps / app_dial.c
1 /*
2  * Asterisk -- An open source telephony toolkit.
3  *
4  * Copyright (C) 1999 - 2006, Digium, Inc.
5  *
6  * Mark Spencer <markster@digium.com>
7  *
8  * See http://www.asterisk.org for more information about
9  * the Asterisk project. Please do not directly contact
10  * any of the maintainers of this project for assistance;
11  * the project provides a web site, mailing lists and IRC
12  * channels for your use.
13  *
14  * This program is free software, distributed under the terms of
15  * the GNU General Public License Version 2. See the LICENSE file
16  * at the top of the source tree.
17  */
18
19 /*! \file
20  *
21  * \brief dial() & retrydial() - Trivial application to dial a channel and send an URL on answer
22  *
23  * \author Mark Spencer <markster@digium.com>
24  * 
25  * \ingroup applications
26  */
27
28 #include "asterisk.h"
29
30 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
31
32 #include <stdlib.h>
33 #include <errno.h>
34 #include <unistd.h>
35 #include <string.h>
36 #include <stdlib.h>
37 #include <stdio.h>
38 #include <sys/time.h>
39 #include <sys/signal.h>
40 #include <sys/stat.h>
41 #include <netinet/in.h>
42
43 #include "asterisk/lock.h"
44 #include "asterisk/file.h"
45 #include "asterisk/logger.h"
46 #include "asterisk/channel.h"
47 #include "asterisk/pbx.h"
48 #include "asterisk/options.h"
49 #include "asterisk/module.h"
50 #include "asterisk/translate.h"
51 #include "asterisk/say.h"
52 #include "asterisk/config.h"
53 #include "asterisk/features.h"
54 #include "asterisk/musiconhold.h"
55 #include "asterisk/callerid.h"
56 #include "asterisk/utils.h"
57 #include "asterisk/app.h"
58 #include "asterisk/causes.h"
59 #include "asterisk/rtp.h"
60 #include "asterisk/manager.h"
61 #include "asterisk/privacy.h"
62 #include "asterisk/stringfields.h"
63
64 static char *app = "Dial";
65
66 static char *synopsis = "Place a call and connect to the current channel";
67
68 static char *descrip =
69 "  Dial(Technology/resource[&Tech2/resource2...][|timeout][|options][|URL]):\n"
70 "This application will place calls to one or more specified channels. As soon\n"
71 "as one of the requested channels answers, the originating channel will be\n"
72 "answered, if it has not already been answered. These two channels will then\n"
73 "be active in a bridged call. All other channels that were requested will then\n"
74 "be hung up.\n"
75 "  Unless there is a timeout specified, the Dial application will wait\n"
76 "indefinitely until one of the called channels answers, the user hangs up, or\n"
77 "if all of the called channels are busy or unavailable. Dialplan executing will\n"
78 "continue if no requested channels can be called, or if the timeout expires.\n\n"
79 "  This application sets the following channel variables upon completion:\n"
80 "    DIALEDTIME   - This is the time from dialing a channel until when it\n"
81 "                   is disconnected.\n" 
82 "    ANSWEREDTIME - This is the amount of time for actual call.\n"
83 "    DIALSTATUS   - This is the status of the call:\n"
84 "                   CHANUNAVAIL | CONGESTION | NOANSWER | BUSY | ANSWER | CANCEL\n" 
85 "                   DONTCALL | TORTURE | INVALIDARGS\n"
86 "  For the Privacy and Screening Modes, the DIALSTATUS variable will be set to\n"
87 "DONTCALL if the called party chooses to send the calling party to the 'Go Away'\n"
88 "script. The DIALSTATUS variable will be set to TORTURE if the called party\n"
89 "wants to send the caller to the 'torture' script.\n"
90 "  This application will report normal termination if the originating channel\n"
91 "hangs up, or if the call is bridged and either of the parties in the bridge\n"
92 "ends the call.\n"
93 "  The optional URL will be sent to the called party if the channel supports it.\n"
94 "  If the OUTBOUND_GROUP variable is set, all peer channels created by this\n"
95 "application will be put into that group (as in Set(GROUP()=...).\n\n"
96 "  Options:\n"
97 "    A(x) - Play an announcement to the called party, using 'x' as the file.\n"
98 "    C    - Reset the CDR for this call.\n"
99 "    d    - Allow the calling user to dial a 1 digit extension while waiting for\n"
100 "           a call to be answered. Exit to that extension if it exists in the\n"
101 "           current context, or the context defined in the EXITCONTEXT variable,\n"
102 "           if it exists.\n"
103 "    D([called][:calling]) - Send the specified DTMF strings *after* the called\n"
104 "           party has answered, but before the call gets bridged. The 'called'\n"
105 "           DTMF string is sent to the called party, and the 'calling' DTMF\n"
106 "           string is sent to the calling party. Both parameters can be used\n"
107 "           alone.\n"   
108 "    f    - Force the callerid of the *calling* channel to be set as the\n"
109 "           extension associated with the channel using a dialplan 'hint'.\n"
110 "           For example, some PSTNs do not allow CallerID to be set to anything\n"
111 "           other than the number assigned to the caller.\n"
112 "    g    - Proceed with dialplan execution at the current extension if the\n"
113 "           destination channel hangs up.\n"
114 "    G(context^exten^pri) - If the call is answered, transfer the calling party to\n"
115 "           the specified priority and the called party to the specified priority+1.\n"
116 "           Optionally, an extension, or extension and context may be specified. \n"
117 "           Otherwise, the current extension is used. You cannot use any additional\n"
118 "           action post answer options in conjunction with this option.\n" 
119 "    h    - Allow the called party to hang up by sending the '*' DTMF digit.\n"
120 "    H    - Allow the calling party to hang up by hitting the '*' DTMF digit.\n"
121 "    i    - Asterisk will ignore any forwarding requests it may receive on this\n"
122 "           dial attempt.\n"
123 "    j    - Jump to priority n+101 if all of the requested channels were busy.\n"
124 "    L(x[:y][:z]) - Limit the call to 'x' ms. Play a warning when 'y' ms are\n"
125 "           left. Repeat the warning every 'z' ms. The following special\n"
126 "           variables can be used with this option:\n"
127 "           * LIMIT_PLAYAUDIO_CALLER   yes|no (default yes)\n"
128 "                                      Play sounds to the caller.\n"
129 "           * LIMIT_PLAYAUDIO_CALLEE   yes|no\n"
130 "                                      Play sounds to the callee.\n"
131 "           * LIMIT_TIMEOUT_FILE       File to play when time is up.\n"
132 "           * LIMIT_CONNECT_FILE       File to play when call begins.\n"
133 "           * LIMIT_WARNING_FILE       File to play as warning if 'y' is defined.\n"
134 "                                      The default is to say the time remaining.\n"
135 "    m([class]) - Provide hold music to the calling party until a requested\n"
136 "           channel answers. A specific MusicOnHold class can be\n"
137 "           specified.\n"
138 "    M(x[^arg]) - Execute the Macro for the *called* channel before connecting\n"
139 "           to the calling channel. Arguments can be specified to the Macro\n"
140 "           using '^' as a delimeter. The Macro can set the variable\n"
141 "           MACRO_RESULT to specify the following actions after the Macro is\n" 
142 "           finished executing.\n"
143 "           * ABORT        Hangup both legs of the call.\n"
144 "           * CONGESTION   Behave as if line congestion was encountered.\n"
145 "           * BUSY         Behave as if a busy signal was encountered. This will also\n"
146 "                          have the application jump to priority n+101 if the\n"
147 "                          'j' option is set.\n"
148 "           * CONTINUE     Hangup the called party and allow the calling party\n"
149 "                          to continue dialplan execution at the next priority.\n"
150 "           * GOTO:<context>^<exten>^<priority> - Transfer the call to the\n"
151 "                          specified priority. Optionally, an extension, or\n"
152 "                          extension and priority can be specified.\n"
153 "           You cannot use any additional action post answer options in conjunction\n"
154 "           with this option. Also, pbx services are not run on the peer (called) channel,\n"
155 "           so you will not be able to set timeouts via the TIMEOUT() function in this macro.\n"
156 "    n    - This option is a modifier for the screen/privacy mode. It specifies\n"
157 "           that no introductions are to be saved in the priv-callerintros\n"
158 "           directory.\n"
159 "    N    - This option is a modifier for the screen/privacy mode. It specifies\n"
160 "           that if callerID is present, do not screen the call.\n"
161 "    o    - Specify that the CallerID that was present on the *calling* channel\n"
162 "           be set as the CallerID on the *called* channel. This was the\n"
163 "           behavior of Asterisk 1.0 and earlier.\n"
164 "    O([x]) - \"Operator Services\" mode (Zaptel channel to Zaptel channel\n"
165 "             only, if specified on non-Zaptel interface, it will be ignored).\n"
166 "             When the destination answers (presumably an operator services\n"
167 "             station), the originator no longer has control of their line.\n"
168 "             They may hang up, but the switch will not release their line\n"
169 "             until the destination party hangs up (the operator). Specified\n"
170 "             without an arg, or with 1 as an arg, the originator hanging up\n"
171 "             will cause the phone to ring back immediately. With a 2 specified,\n"
172 "             when the \"operator\" flashes the trunk, it will ring their phone\n"
173 "             back.\n"
174 "    p    - This option enables screening mode. This is basically Privacy mode\n"
175 "           without memory.\n"
176 "    P([x]) - Enable privacy mode. Use 'x' as the family/key in the database if\n"
177 "           it is provided. The current extension is used if a database\n"
178 "           family/key is not specified.\n"
179 "    r    - Indicate ringing to the calling party. Pass no audio to the calling\n"
180 "           party until the called channel has answered.\n"
181 "    S(x) - Hang up the call after 'x' seconds *after* the called party has\n"
182 "           answered the call.\n"       
183 "    t    - Allow the called party to transfer the calling party by sending the\n"
184 "           DTMF sequence defined in features.conf.\n"
185 "    T    - Allow the calling party to transfer the called party by sending the\n"
186 "           DTMF sequence defined in features.conf.\n"
187 "    w    - Allow the called party to enable recording of the call by sending\n"
188 "           the DTMF sequence defined for one-touch recording in features.conf.\n"
189 "    W    - Allow the calling party to enable recording of the call by sending\n"
190 "           the DTMF sequence defined for one-touch recording in features.conf.\n"
191 "    k    - Allow the called party to enable parking of the call by sending\n"
192 "           the DTMF sequence defined for call parking in features.conf.\n"
193 "    K    - Allow the calling party to enable parking of the call by sending\n"
194 "           the DTMF sequence defined for call parking in features.conf.\n";
195
196 /* RetryDial App by Anthony Minessale II <anthmct@yahoo.com> Jan/2005 */
197 static char *rapp = "RetryDial";
198 static char *rsynopsis = "Place a call, retrying on failure allowing optional exit extension.";
199 static char *rdescrip =
200 "  RetryDial(announce|sleep|retries|dialargs): This application will attempt to\n"
201 "place a call using the normal Dial application. If no channel can be reached,\n"
202 "the 'announce' file will be played. Then, it will wait 'sleep' number of\n"
203 "seconds before retying the call. After 'retires' number of attempts, the\n"
204 "calling channel will continue at the next priority in the dialplan. If the\n"
205 "'retries' setting is set to 0, this application will retry endlessly.\n"
206 "  While waiting to retry a call, a 1 digit extension may be dialed. If that\n"
207 "extension exists in either the context defined in ${EXITCONTEXT} or the current\n"
208 "one, The call will jump to that extension immediately.\n"
209 "  The 'dialargs' are specified in the same format that arguments are provided\n"
210 "to the Dial application.\n";
211
212 enum {
213         OPT_ANNOUNCE =          (1 << 0),
214         OPT_RESETCDR =          (1 << 1),
215         OPT_DTMF_EXIT =         (1 << 2),
216         OPT_SENDDTMF =          (1 << 3),
217         OPT_FORCECLID =         (1 << 4),
218         OPT_GO_ON =             (1 << 5),
219         OPT_CALLEE_HANGUP =     (1 << 6),
220         OPT_CALLER_HANGUP =     (1 << 7),
221         OPT_PRIORITY_JUMP =     (1 << 8),
222         OPT_DURATION_LIMIT =    (1 << 9),
223         OPT_MUSICBACK =         (1 << 10),
224         OPT_CALLEE_MACRO =      (1 << 11),
225         OPT_SCREEN_NOINTRO =    (1 << 12),
226         OPT_SCREEN_NOCLID =     (1 << 13),
227         OPT_ORIGINAL_CLID =     (1 << 14),
228         OPT_SCREENING =         (1 << 15),
229         OPT_PRIVACY =           (1 << 16),
230         OPT_RINGBACK =          (1 << 17),
231         OPT_DURATION_STOP =     (1 << 18),
232         OPT_CALLEE_TRANSFER =   (1 << 19),
233         OPT_CALLER_TRANSFER =   (1 << 20),
234         OPT_CALLEE_MONITOR =    (1 << 21),
235         OPT_CALLER_MONITOR =    (1 << 22),
236         OPT_GOTO =              (1 << 23),
237         OPT_OPERMODE =          (1 << 24),
238         OPT_CALLEE_PARK =       (1 << 25),
239         OPT_CALLER_PARK =       (1 << 26),
240         OPT_IGNORE_FORWARDING = (1 << 27),
241 } dial_exec_option_flags;
242
243 #define DIAL_STILLGOING                 (1 << 30)
244 #define DIAL_NOFORWARDHTML              (1 << 31)
245
246 enum {
247         OPT_ARG_ANNOUNCE = 0,
248         OPT_ARG_SENDDTMF,
249         OPT_ARG_GOTO,
250         OPT_ARG_DURATION_LIMIT,
251         OPT_ARG_MUSICBACK,
252         OPT_ARG_CALLEE_MACRO,
253         OPT_ARG_PRIVACY,
254         OPT_ARG_DURATION_STOP,
255         OPT_ARG_OPERMODE,
256         /* note: this entry _MUST_ be the last one in the enum */
257         OPT_ARG_ARRAY_SIZE,
258 } dial_exec_option_args;
259
260 AST_APP_OPTIONS(dial_exec_options, {
261         AST_APP_OPTION_ARG('A', OPT_ANNOUNCE, OPT_ARG_ANNOUNCE),
262         AST_APP_OPTION('C', OPT_RESETCDR),
263         AST_APP_OPTION('d', OPT_DTMF_EXIT),
264         AST_APP_OPTION_ARG('D', OPT_SENDDTMF, OPT_ARG_SENDDTMF),
265         AST_APP_OPTION('f', OPT_FORCECLID),
266         AST_APP_OPTION('g', OPT_GO_ON),
267         AST_APP_OPTION_ARG('G', OPT_GOTO, OPT_ARG_GOTO),
268         AST_APP_OPTION('h', OPT_CALLEE_HANGUP),
269         AST_APP_OPTION('H', OPT_CALLER_HANGUP),
270         AST_APP_OPTION('i', OPT_IGNORE_FORWARDING),
271         AST_APP_OPTION('j', OPT_PRIORITY_JUMP),
272         AST_APP_OPTION_ARG('L', OPT_DURATION_LIMIT, OPT_ARG_DURATION_LIMIT),
273         AST_APP_OPTION_ARG('m', OPT_MUSICBACK, OPT_ARG_MUSICBACK),
274         AST_APP_OPTION_ARG('M', OPT_CALLEE_MACRO, OPT_ARG_CALLEE_MACRO),
275         AST_APP_OPTION('n', OPT_SCREEN_NOINTRO),
276         AST_APP_OPTION('N', OPT_SCREEN_NOCLID),
277         AST_APP_OPTION_ARG('O', OPT_OPERMODE,OPT_ARG_OPERMODE),
278         AST_APP_OPTION('o', OPT_ORIGINAL_CLID),
279         AST_APP_OPTION('p', OPT_SCREENING),
280         AST_APP_OPTION_ARG('P', OPT_PRIVACY, OPT_ARG_PRIVACY),
281         AST_APP_OPTION('r', OPT_RINGBACK),
282         AST_APP_OPTION_ARG('S', OPT_DURATION_STOP, OPT_ARG_DURATION_STOP),
283         AST_APP_OPTION('t', OPT_CALLEE_TRANSFER),
284         AST_APP_OPTION('T', OPT_CALLER_TRANSFER),
285         AST_APP_OPTION('w', OPT_CALLEE_MONITOR),
286         AST_APP_OPTION('W', OPT_CALLER_MONITOR),
287         AST_APP_OPTION('k', OPT_CALLEE_PARK),
288         AST_APP_OPTION('K', OPT_CALLER_PARK),
289 });
290
291 /*
292  * The list of active channels
293  */
294 struct chanlist {
295         struct chanlist *next;
296         struct ast_channel *chan;
297         unsigned int flags;
298         int forwards;
299 };
300
301
302 static void hanguptree(struct chanlist *outgoing, struct ast_channel *exception)
303 {
304         /* Hang up a tree of stuff */
305         struct chanlist *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 /*
321  * argument to handle_cause() and other functions.
322  */
323 struct cause_args {
324         struct ast_channel *chan;
325         int busy;
326         int congestion;
327         int nochan;
328 };
329
330 static void handle_cause(int cause, struct cause_args *num)
331 {
332         struct ast_cdr *cdr = num->chan->cdr;
333
334         switch(cause) {
335         case AST_CAUSE_BUSY:
336                 if (cdr)
337                         ast_cdr_busy(cdr);
338                 num->busy++;
339                 break;
340
341         case AST_CAUSE_CONGESTION:
342                 if (cdr)
343                         ast_cdr_failed(cdr);
344                 num->congestion++;
345                 break;
346
347         case AST_CAUSE_UNREGISTERED:
348                 if (cdr)
349                         ast_cdr_failed(cdr);
350                 num->nochan++;
351                 break;
352
353         case AST_CAUSE_NORMAL_CLEARING:
354                 break;
355
356         default:
357                 num->nochan++;
358                 break;
359         }
360 }
361
362 /* free the buffer if allocated, and set the pointer to the second arg */
363 #define S_REPLACE(s, new_val)           \
364         do {                            \
365                 if (s)                  \
366                         free(s);        \
367                 s = (new_val);          \
368         } while (0)
369
370 static int onedigit_goto(struct ast_channel *chan, const char *context, char exten, int pri) 
371 {
372         char rexten[2] = { exten, '\0' };
373
374         if (context) {
375                 if (!ast_goto_if_exists(chan, context, rexten, pri))
376                         return 1;
377         } else {
378                 if (!ast_goto_if_exists(chan, chan->context, rexten, pri))
379                         return 1;
380                 else if (!ast_strlen_zero(chan->macrocontext)) {
381                         if (!ast_goto_if_exists(chan, chan->macrocontext, rexten, pri))
382                                 return 1;
383                 }
384         }
385         return 0;
386 }
387
388
389 static const char *get_cid_name(char *name, int namelen, struct ast_channel *chan)
390 {
391         const char *context = S_OR(chan->macrocontext, chan->context);
392         const char *exten = S_OR(chan->macroexten, chan->exten);
393
394         return ast_get_hint(NULL, 0, name, namelen, chan, context, exten) ? name : "";
395 }
396
397 static void senddialevent(struct ast_channel *src, struct ast_channel *dst)
398 {
399         manager_event(EVENT_FLAG_CALL, "Dial", 
400                            "SubEvent: Begin\r\n"
401                            "Source: %s\r\n"
402                            "Destination: %s\r\n"
403                            "CallerIDNum: %s\r\n"
404                            "CallerIDName: %s\r\n"
405                            "SrcUniqueID: %s\r\n"
406                            "DestUniqueID: %s\r\n",
407                            src->name, dst->name, S_OR(src->cid.cid_num, "<unknown>"),
408                            S_OR(src->cid.cid_name, "<unknown>"), src->uniqueid,
409                            dst->uniqueid);
410 }
411
412 static void senddialendevent(const struct ast_channel *src, const char *dialstatus)
413 {
414         manager_event(EVENT_FLAG_CALL, "Dial",
415                                         "SubEvent: End\r\n"
416                                         "Channel: %s\r\n"
417                                         "DialStatus: %s\r\n",
418                                         src->name, dialstatus);
419 }       
420
421 /*!
422  * helper function for wait_for_answer()
423  *
424  * XXX this code is highly suspicious, as it essentially overwrites
425  * the outgoing channel without properly deleting it.
426  */
427 static void do_forward(struct chanlist *o,
428         struct cause_args *num, struct ast_flags *peerflags, int single)
429 {
430         char tmpchan[256];
431         struct ast_channel *original = o->chan;
432         struct ast_channel *c = o->chan; /* the winner */
433         struct ast_channel *in = num->chan; /* the input channel */
434         char *stuff;
435         char *tech;
436         int cause;
437
438         ast_copy_string(tmpchan, c->call_forward, sizeof(tmpchan));
439         if ((stuff = strchr(tmpchan, '/'))) {
440                 *stuff++ = '\0';
441                 tech = tmpchan;
442         } else {
443                 const char *forward_context = pbx_builtin_getvar_helper(c, "FORWARD_CONTEXT");
444                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", c->call_forward, forward_context ? forward_context : c->context);
445                 stuff = tmpchan;
446                 tech = "Local";
447         }
448         /* Before processing channel, go ahead and check for forwarding */
449         o->forwards++;
450         if (o->forwards < AST_MAX_FORWARDS) {
451                 if (option_verbose > 2)
452                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", in->name, tech, stuff, c->name);
453                 /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
454                 if (ast_test_flag(peerflags, OPT_IGNORE_FORWARDING)) {
455                         if (option_verbose > 2)
456                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n", in->name, tech, stuff);
457                         c = o->chan = NULL;
458                         cause = AST_CAUSE_BUSY;
459                 } else {
460                         /* Setup parameters */
461                         c = o->chan = ast_request(tech, in->nativeformats, stuff, &cause);
462                         if (!c)
463                                 ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
464                         else
465                                 ast_channel_inherit_variables(in, o->chan);
466                 }
467         } else {
468                 if (option_verbose > 2)
469                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", c->name);
470                 cause = AST_CAUSE_CONGESTION;
471                 c = o->chan = NULL;
472         }
473         if (!c) {
474                 ast_clear_flag(o, DIAL_STILLGOING);     
475                 handle_cause(cause, num);
476         } else {
477                 char *new_cid_num, *new_cid_name;
478                 struct ast_channel *src;
479
480                 ast_rtp_make_compatible(c, in, single);
481                 if (ast_test_flag(o, OPT_FORCECLID)) {
482                         new_cid_num = ast_strdup(S_OR(in->macroexten, in->exten));
483                         new_cid_name = NULL; /* XXX no name ? */
484                         src = c;        /* XXX possible bug in previous code, which used 'winner' ? it may have changed */
485                 } else {
486                         new_cid_num = ast_strdup(in->cid.cid_num);
487                         new_cid_name = ast_strdup(in->cid.cid_name);
488                         src = in;
489                 }
490                 ast_string_field_set(c, accountcode, src->accountcode);
491                 c->cdrflags = src->cdrflags;
492                 S_REPLACE(c->cid.cid_num, new_cid_num);
493                 S_REPLACE(c->cid.cid_name, new_cid_name);
494
495                 if (in->cid.cid_ani) { /* XXX or maybe unconditional ? */
496                         S_REPLACE(c->cid.cid_ani, ast_strdup(in->cid.cid_ani));
497                 }
498                 S_REPLACE(c->cid.cid_rdnis, ast_strdup(S_OR(in->macroexten, in->exten)));
499                 if (ast_call(c, tmpchan, 0)) {
500                         ast_log(LOG_NOTICE, "Failed to dial on local channel for call forward to '%s'\n", tmpchan);
501                         ast_clear_flag(o, DIAL_STILLGOING);     
502                         ast_hangup(original);
503                         c = o->chan = NULL;
504                         num->nochan++;
505                 } else {
506                         senddialevent(in, c);
507                         /* After calling, set callerid to extension */
508                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID)) {
509                                 char cidname[AST_MAX_EXTENSION];
510                                 ast_set_callerid(c, S_OR(in->macroexten, in->exten), get_cid_name(cidname, sizeof(cidname), in), NULL);
511                         }
512                         /* Hangup the original channel now, in case we needed it */
513                         ast_hangup(original);
514                 }
515         }
516 }
517
518 /* argument used for some functions. */
519 struct privacy_args {
520         int sentringing;
521         int privdb_val;
522         char privcid[256];
523         char privintro[1024];
524         char status[256];
525 };
526
527 static struct ast_channel *wait_for_answer(struct ast_channel *in,
528         struct chanlist *outgoing, int *to, struct ast_flags *peerflags,
529         struct privacy_args *pa,
530         const struct cause_args *num_in, int priority_jump, int *result)
531 {
532         struct cause_args num = *num_in;
533         int prestart = num.busy + num.congestion + num.nochan;
534         int orig = *to;
535         struct ast_channel *peer = NULL;
536         /* single is set if only one destination is enabled */
537         int single = outgoing && !outgoing->next && !ast_test_flag(outgoing, OPT_MUSICBACK | OPT_RINGBACK);
538         
539         if (single) {
540                 /* Turn off hold music, etc */
541                 ast_deactivate_generator(in);
542                 /* If we are calling a single channel, make them compatible for in-band tone purpose */
543                 ast_channel_make_compatible(outgoing->chan, in);
544         }
545         
546         
547         while (*to && !peer) {
548                 struct chanlist *o;
549                 int pos = 0;    /* how many channels do we handle */
550                 int numlines = prestart;
551                 struct ast_channel *winner;
552                 struct ast_channel *watchers[AST_MAX_WATCHERS];
553
554                 watchers[pos++] = in;
555                 for (o = outgoing; o; o = o->next) {
556                         /* Keep track of important channels */
557                         if (ast_test_flag(o, DIAL_STILLGOING) && o->chan)
558                                 watchers[pos++] = o->chan;
559                         numlines++;
560                 }
561                 if (pos == 1) { /* only the input channel is available */
562                         if (numlines == (num.busy + num.congestion + num.nochan)) {
563                                 if (option_verbose > 2)
564                                         ast_verbose( VERBOSE_PREFIX_2 "Everyone is busy/congested at this time (%d:%d/%d/%d)\n", numlines, num.busy, num.congestion, num.nochan);
565                                 if (num.busy)
566                                         strcpy(pa->status, "BUSY");     
567                                 else if (num.congestion)
568                                         strcpy(pa->status, "CONGESTION");
569                                 else if (num.nochan)
570                                         strcpy(pa->status, "CHANUNAVAIL");
571                                 if (ast_opt_priority_jumping || priority_jump)
572                                         ast_goto_if_exists(in, in->context, in->exten, in->priority + 101);
573                         } else {
574                                 if (option_verbose > 2)
575                                         ast_verbose(VERBOSE_PREFIX_3 "No one is available to answer at this time (%d:%d/%d/%d)\n", numlines, num.busy, num.congestion, num.nochan);
576                         }
577                         *to = 0;
578                         return NULL;
579                 }
580                 winner = ast_waitfor_n(watchers, pos, to);
581                 for (o = outgoing; o; o = o->next) {
582                         struct ast_frame *f;
583                         struct ast_channel *c = o->chan;
584
585                         if (c == NULL)
586                                 continue;
587                         if (ast_test_flag(o, DIAL_STILLGOING) && c->_state == AST_STATE_UP) {
588                                 if (!peer) {
589                                         if (option_verbose > 2)
590                                                 ast_verbose(VERBOSE_PREFIX_3 "%s answered %s\n", c->name, in->name);
591                                         peer = c;
592                                         ast_copy_flags(peerflags, o,
593                                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
594                                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
595                                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
596                                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
597                                                        DIAL_NOFORWARDHTML);
598                                         ast_copy_string(c->dialcontext, "", sizeof(c->dialcontext));
599                                         ast_copy_string(c->exten, "", sizeof(c->exten));
600                                 }
601                                 continue;
602                         }
603                         if (c != winner)
604                                 continue;
605                         /* here, o->chan == c == winner */
606                         if (!ast_strlen_zero(c->call_forward)) {
607                                 do_forward(o, &num, peerflags, single);
608                                 continue;
609                         }
610                         f = ast_read(winner);
611                         if (!f) {
612                                 in->hangupcause = c->hangupcause;
613                                 ast_hangup(c);
614                                 c = o->chan = NULL;
615                                 ast_clear_flag(o, DIAL_STILLGOING);
616                                 handle_cause(in->hangupcause, &num);
617                                 continue;
618                         }
619                         if (f->frametype == AST_FRAME_CONTROL) {
620                                 switch(f->subclass) {
621                                 case AST_CONTROL_ANSWER:
622                                         /* This is our guy if someone answered. */
623                                         if (!peer) {
624                                                 if (option_verbose > 2)
625                                                         ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", c->name, in->name);
626                                                 peer = c;
627                                                 ast_copy_flags(peerflags, o,
628                                                                OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
629                                                                OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
630                                                                OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
631                                                                OPT_CALLEE_PARK | OPT_CALLER_PARK |
632                                                                DIAL_NOFORWARDHTML);
633                                                 ast_copy_string(c->dialcontext, "", sizeof(c->dialcontext));
634                                                 ast_copy_string(c->exten, "", sizeof(c->exten));
635                                                 /* Setup early bridge if appropriate */
636                                                 ast_channel_early_bridge(in, peer);
637                                         }
638                                         /* If call has been answered, then the eventual hangup is likely to be normal hangup */
639                                         in->hangupcause = AST_CAUSE_NORMAL_CLEARING;
640                                         c->hangupcause = AST_CAUSE_NORMAL_CLEARING;
641                                         break;
642                                 case AST_CONTROL_BUSY:
643                                         if (option_verbose > 2)
644                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is busy\n", c->name);
645                                         in->hangupcause = c->hangupcause;
646                                         ast_hangup(c);
647                                         c = o->chan = NULL;
648                                         ast_clear_flag(o, DIAL_STILLGOING);     
649                                         handle_cause(AST_CAUSE_BUSY, &num);
650                                         break;
651                                 case AST_CONTROL_CONGESTION:
652                                         if (option_verbose > 2)
653                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is circuit-busy\n", c->name);
654                                         in->hangupcause = c->hangupcause;
655                                         ast_hangup(c);
656                                         c = o->chan = NULL;
657                                         ast_clear_flag(o, DIAL_STILLGOING);
658                                         handle_cause(AST_CAUSE_CONGESTION, &num);
659                                         break;
660                                 case AST_CONTROL_RINGING:
661                                         if (option_verbose > 2)
662                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is ringing\n", c->name);
663                                         /* Setup early media if appropriate */
664                                         if (single)
665                                                 ast_channel_early_bridge(in, c);
666                                         if (!(pa->sentringing) && !ast_test_flag(outgoing, OPT_MUSICBACK)) {
667                                                 ast_indicate(in, AST_CONTROL_RINGING);
668                                                 pa->sentringing++;
669                                         }
670                                         break;
671                                 case AST_CONTROL_PROGRESS:
672                                         if (option_verbose > 2)
673                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is making progress passing it to %s\n", c->name, in->name);
674                                         /* Setup early media if appropriate */
675                                         if (single)
676                                                 ast_channel_early_bridge(in, c);
677                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
678                                                 ast_indicate(in, AST_CONTROL_PROGRESS);
679                                         break;
680                                 case AST_CONTROL_VIDUPDATE:
681                                         if (option_verbose > 2)
682                                                 ast_verbose (VERBOSE_PREFIX_3 "%s requested a video update, passing it to %s\n", c->name, in->name);
683                                         ast_indicate(in, AST_CONTROL_VIDUPDATE);
684                                         break;
685                                 case AST_CONTROL_PROCEEDING:
686                                         if (option_verbose > 2)
687                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is proceeding passing it to %s\n", c->name, in->name);
688                                         if (single)
689                                                 ast_channel_early_bridge(in, c);
690                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
691                                                 ast_indicate(in, AST_CONTROL_PROCEEDING);
692                                         break;
693                                 case AST_CONTROL_HOLD:
694                                         if (option_verbose > 2)
695                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s placed on hold\n", c->name);
696                                         ast_indicate(in, AST_CONTROL_HOLD);
697                                         break;
698                                 case AST_CONTROL_UNHOLD:
699                                         if (option_verbose > 2)
700                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s left from hold\n", c->name);
701                                         ast_indicate(in, AST_CONTROL_UNHOLD);
702                                         break;
703                                 case AST_CONTROL_OFFHOOK:
704                                 case AST_CONTROL_FLASH:
705                                         /* Ignore going off hook and flash */
706                                         break;
707                                 case -1:
708                                         if (!ast_test_flag(outgoing, OPT_RINGBACK | OPT_MUSICBACK)) {
709                                                 if (option_verbose > 2)
710                                                         ast_verbose(VERBOSE_PREFIX_3 "%s stopped sounds\n", c->name);
711                                                 ast_indicate(in, -1);
712                                                 pa->sentringing = 0;
713                                         }
714                                         break;
715                                 default:
716                                         if (option_debug)
717                                                 ast_log(LOG_DEBUG, "Dunno what to do with control type %d\n", f->subclass);
718                                 }
719                         } else if (single) {
720                                 /* XXX are we sure the logic is correct ? or we should just switch on f->frametype ? */
721                                 if (f->frametype == AST_FRAME_VOICE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
722                                         if (ast_write(in, f)) 
723                                                 ast_log(LOG_WARNING, "Unable to forward voice frame\n");
724                                 } else if (f->frametype == AST_FRAME_IMAGE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
725                                         if (ast_write(in, f))
726                                                 ast_log(LOG_WARNING, "Unable to forward image\n");
727                                 } else if (f->frametype == AST_FRAME_TEXT && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
728                                         if (ast_write(in, f))
729                                                 ast_log(LOG_WARNING, "Unable to send text\n");
730                                 } else if (f->frametype == AST_FRAME_HTML && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML)) {
731                                         if (ast_channel_sendhtml(in, f->subclass, f->data, f->datalen) == -1)
732                                                 ast_log(LOG_WARNING, "Unable to send URL\n");
733                                 }
734                         }
735                         ast_frfree(f);
736                 } /* end for */
737                 if (winner == in) {
738                         struct ast_frame *f = ast_read(in);
739 #if 0
740                         if (f && (f->frametype != AST_FRAME_VOICE))
741                                 printf("Frame type: %d, %d\n", f->frametype, f->subclass);
742                         else if (!f || (f->frametype != AST_FRAME_VOICE))
743                                 printf("Hangup received on %s\n", in->name);
744 #endif
745                         if (!f || ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP))) {
746                                 /* Got hung up */
747                                 *to = -1;
748                                 strcpy(pa->status, "CANCEL");
749                                 if (f)
750                                         ast_frfree(f);
751                                 return NULL;
752                         }
753
754                         /* now f is guaranteed non-NULL */
755                         if (f->frametype == AST_FRAME_DTMF) {
756                                 if (ast_test_flag(peerflags, OPT_DTMF_EXIT)) {
757                                         const char *context = pbx_builtin_getvar_helper(in, "EXITCONTEXT");
758                                         if (onedigit_goto(in, context, (char) f->subclass, 1)) {
759                                                 if (option_verbose > 2)
760                                                         ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
761                                                 *to=0;
762                                                 *result = f->subclass;
763                                                 strcpy(pa->status, "CANCEL");
764                                                 ast_frfree(f);
765                                                 return NULL;
766                                         }
767                                 }
768
769                                 if (ast_test_flag(peerflags, OPT_CALLER_HANGUP) && 
770                                                   (f->subclass == '*')) { /* hmm it it not guaranteed to be '*' anymore. */
771                                         if (option_verbose > 2)
772                                                 ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
773                                         *to=0;
774                                         strcpy(pa->status, "CANCEL");
775                                         ast_frfree(f);
776                                         return NULL;
777                                 }
778                         }
779
780                         /* Forward HTML stuff */
781                         if (single && (f->frametype == AST_FRAME_HTML) && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML)) 
782                                 if(ast_channel_sendhtml(outgoing->chan, f->subclass, f->data, f->datalen) == -1)
783                                         ast_log(LOG_WARNING, "Unable to send URL\n");
784                         
785
786                         if (single && ((f->frametype == AST_FRAME_VOICE) || (f->frametype == AST_FRAME_DTMF_BEGIN) || (f->frametype == AST_FRAME_DTMF_END)))  {
787                                 if (ast_write(outgoing->chan, f))
788                                         ast_log(LOG_WARNING, "Unable to forward voice or dtmf\n");
789                         }
790                         if (single && (f->frametype == AST_FRAME_CONTROL) && 
791                                 ((f->subclass == AST_CONTROL_HOLD) || 
792                                  (f->subclass == AST_CONTROL_UNHOLD) || 
793                                  (f->subclass == AST_CONTROL_VIDUPDATE))) {
794                                 if (option_verbose > 2)
795                                         ast_verbose(VERBOSE_PREFIX_3 "%s requested special control %d, passing it to %s\n", in->name, f->subclass, outgoing->chan->name);
796                                 ast_indicate_data(outgoing->chan, f->subclass, f->data, f->datalen);
797                         }
798                         ast_frfree(f);
799                 }
800                 if (!*to && (option_verbose > 2))
801                         ast_verbose(VERBOSE_PREFIX_3 "Nobody picked up in %d ms\n", orig);
802         }
803
804         return peer;
805 }
806
807 static void replace_macro_delimiter(char *s)
808 {
809         for (; *s; s++)
810                 if (*s == '^')
811                         *s = '|';
812 }
813
814
815 /* returns true if there is a valid privacy reply */
816 static int valid_priv_reply(struct ast_flags *opts, int res)
817 {
818         if (res < '1')
819                 return 0;
820         if (ast_test_flag(opts, OPT_PRIVACY) && res <= '5')
821                 return 1;
822         if (ast_test_flag(opts, OPT_SCREENING) && res <= '4')
823                 return 1;
824         return 0;
825 }
826
827 static int do_timelimit(struct ast_channel *chan, struct ast_bridge_config *config,
828         char *parse, unsigned int *calldurationlimit)
829 {
830         char *stringp = ast_strdupa(parse);
831         char *limit_str, *warning_str, *warnfreq_str;
832         const char *var;
833         int play_to_caller=0,play_to_callee=0;
834         int delta;
835
836         limit_str = strsep(&stringp, ":");
837         warning_str = strsep(&stringp, ":");
838         warnfreq_str = strsep(&stringp, ":");
839
840         config->timelimit = atol(limit_str);
841         if (warning_str)
842                 config->play_warning = atol(warning_str);
843         if (warnfreq_str)
844                 config->warning_freq = atol(warnfreq_str);
845
846         if (!config->timelimit) {
847                 ast_log(LOG_WARNING, "Dial does not accept L(%s), hanging up.\n", limit_str);
848                 config->timelimit = config->play_warning = config->warning_freq = 0;
849                 config->warning_sound = NULL;
850                 return -1;      /* error */
851         } else if ( (delta = config->play_warning - config->timelimit) > 0) {
852                 int w = config->warning_freq;
853
854                 /* If the first warning is requested _after_ the entire call would end,
855                    and no warning frequency is requested, then turn off the warning. If
856                    a warning frequency is requested, reduce the 'first warning' time by
857                    that frequency until it falls within the call's total time limit.
858                    Graphically:
859                                   timelim->|    delta        |<-playwarning
860                         0__________________|_________________|
861                                          | w  |    |    |    |
862
863                    so the number of intervals to cut is 1+(delta-1)/w
864                 */
865
866                 if (w == 0) {
867                         config->play_warning = 0;
868                 } else {
869                         config->play_warning -= w * ( 1 + (delta-1)/w );
870                         if (config->play_warning < 1)
871                                 config->play_warning = config->warning_freq = 0;
872                 }
873         }
874
875         var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLER");
876         play_to_caller = var ? ast_true(var) : 1;
877         
878         var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLEE");
879         play_to_callee = var ? ast_true(var) : 0;
880         
881         if (!play_to_caller && !play_to_callee)
882                 play_to_caller = 1;
883         
884         var = pbx_builtin_getvar_helper(chan,"LIMIT_WARNING_FILE");
885         config->warning_sound = S_OR(var, "timeleft");
886
887         /* The code looking at config wants a NULL, not just "", to decide
888          * that the message should not be played, so we replace "" with NULL.
889          * Note, pbx_builtin_getvar_helper _can_ return NULL if the variable is
890          * not found.
891          */
892         var = pbx_builtin_getvar_helper(chan,"LIMIT_TIMEOUT_FILE");
893         config->end_sound = S_OR(var, NULL);
894         var = pbx_builtin_getvar_helper(chan,"LIMIT_CONNECT_FILE");
895         config->start_sound = S_OR(var, NULL);
896
897         /* undo effect of S(x) in case they are both used */
898         *calldurationlimit = 0;
899         /* more efficient to do it like S(x) does since no advanced opts */
900         if (!config->play_warning && !config->start_sound && !config->end_sound && config->timelimit) {
901                 *calldurationlimit = config->timelimit / 1000;
902                 if (option_verbose > 2)
903                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n",
904                                 *calldurationlimit);
905                 config->timelimit = play_to_caller = play_to_callee =
906                 config->play_warning = config->warning_freq = 0;
907         } else if (option_verbose > 2) {
908                 ast_verbose(VERBOSE_PREFIX_3 "Limit Data for this call:\n");
909                 ast_verbose(VERBOSE_PREFIX_4 "timelimit      = %ld\n", config->timelimit);
910                 ast_verbose(VERBOSE_PREFIX_4 "play_warning   = %ld\n", config->play_warning);
911                 ast_verbose(VERBOSE_PREFIX_4 "play_to_caller = %s\n", play_to_caller ? "yes" : "no");
912                 ast_verbose(VERBOSE_PREFIX_4 "play_to_callee = %s\n", play_to_callee ? "yes" : "no");
913                 ast_verbose(VERBOSE_PREFIX_4 "warning_freq   = %ld\n", config->warning_freq);
914                 ast_verbose(VERBOSE_PREFIX_4 "start_sound    = %s\n", S_OR(config->start_sound, ""));
915                 ast_verbose(VERBOSE_PREFIX_4 "warning_sound  = %s\n", config->warning_sound);
916                 ast_verbose(VERBOSE_PREFIX_4 "end_sound      = %s\n", S_OR(config->end_sound, ""));
917         }
918         if (play_to_caller)
919                 ast_set_flag(&(config->features_caller), AST_FEATURE_PLAY_WARNING);
920         if (play_to_callee)
921                 ast_set_flag(&(config->features_callee), AST_FEATURE_PLAY_WARNING);
922         return 0;
923 }
924
925 static int do_privacy(struct ast_channel *chan, struct ast_channel *peer,
926     struct ast_flags *opts, char **opt_args, struct privacy_args *pa)
927 {
928
929         int res2;
930         int loopcount = 0;
931
932         /* Get the user's intro, store it in priv-callerintros/$CID, 
933            unless it is already there-- this should be done before the 
934            call is actually dialed  */
935
936         /* all ring indications and moh for the caller has been halted as soon as the 
937            target extension was picked up. We are going to have to kill some
938            time and make the caller believe the peer hasn't picked up yet */
939
940         if (ast_test_flag(opts, OPT_MUSICBACK) && !ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
941                 char *original_moh = ast_strdupa(chan->musicclass);
942                 ast_indicate(chan, -1);
943                 ast_string_field_set(chan, musicclass, opt_args[OPT_ARG_MUSICBACK]);
944                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
945                 ast_string_field_set(chan, musicclass, original_moh);
946         } else if (ast_test_flag(opts, OPT_RINGBACK)) {
947                 ast_indicate(chan, AST_CONTROL_RINGING);
948                 pa->sentringing++;
949         }
950
951         /* Start autoservice on the other chan ?? */
952         res2 = ast_autoservice_start(chan);
953         /* Now Stream the File */
954         for (loopcount = 0; loopcount < 3; loopcount++) {
955                 if (res2 && loopcount == 0)     /* error in ast_autoservice_start() */
956                         break;
957                 if (!res2)      /* on timeout, play the message again */
958                         res2 = ast_play_and_wait(peer,"priv-callpending");
959                 if (!valid_priv_reply(opts, res2))
960                         res2 = 0;
961                 /* priv-callpending script: 
962                    "I have a caller waiting, who introduces themselves as:"
963                 */
964                 if (!res2)
965                         res2 = ast_play_and_wait(peer, pa->privintro);
966                 if (!valid_priv_reply(opts, res2))
967                         res2 = 0;
968                 /* now get input from the called party, as to their choice */
969                 if( !res2 ) {
970                         /* XXX can we have both, or they are mutually exclusive ? */
971                         if( ast_test_flag(opts, OPT_PRIVACY) )
972                                 res2 = ast_play_and_wait(peer,"priv-callee-options");
973                         if( ast_test_flag(opts, OPT_SCREENING) )
974                                 res2 = ast_play_and_wait(peer,"screen-callee-options");
975                 }
976                 /*! \page DialPrivacy Dial Privacy scripts
977                 \par priv-callee-options script:
978                         "Dial 1 if you wish this caller to reach you directly in the future,
979                                 and immediately connect to their incoming call
980                          Dial 2 if you wish to send this caller to voicemail now and 
981                                 forevermore.
982                          Dial 3 to send this caller to the torture menus, now and forevermore.
983                          Dial 4 to send this caller to a simple "go away" menu, now and forevermore.
984                          Dial 5 to allow this caller to come straight thru to you in the future,
985                                 but right now, just this once, send them to voicemail."
986                 \par screen-callee-options script:
987                         "Dial 1 if you wish to immediately connect to the incoming call
988                          Dial 2 if you wish to send this caller to voicemail.
989                          Dial 3 to send this caller to the torture menus.
990                          Dial 4 to send this caller to a simple "go away" menu.
991                 */
992                 if (valid_priv_reply(opts, res2))
993                         break;
994                 /* invalid option */
995                 res2 = ast_play_and_wait(peer, "vm-sorry");
996         }
997
998         if (ast_test_flag(opts, OPT_MUSICBACK)) {
999                 ast_moh_stop(chan);
1000         } else if (ast_test_flag(opts, OPT_RINGBACK)) {
1001                 ast_indicate(chan, -1);
1002                 pa->sentringing=0;
1003         }
1004         ast_autoservice_stop(chan);
1005         if(ast_test_flag(opts, OPT_PRIVACY) && (res2 >= '1' && res2 <= '5')) {
1006                 /* map keypresses to various things, the index is res2 - '1' */
1007                 static const char *_val[] = { "ALLOW", "DENY", "TORTURE", "KILL", "ALLOW" };
1008                 static const int _flag[] = { AST_PRIVACY_ALLOW, AST_PRIVACY_DENY, AST_PRIVACY_TORTURE, AST_PRIVACY_KILL, AST_PRIVACY_ALLOW};
1009                 int i = res2 - '1';
1010                 if (option_verbose > 2)
1011                         ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to %s\n",
1012                                              opt_args[OPT_ARG_PRIVACY], pa->privcid, _val[i]);
1013                 ast_privacy_set(opt_args[OPT_ARG_PRIVACY], pa->privcid, _flag[i]);
1014         }
1015         switch (res2) {
1016         case '1':
1017                 break;
1018         case '2':
1019                 ast_copy_string(pa->status, "NOANSWER", sizeof(pa->status));
1020                 break;
1021         case '3':
1022                 ast_copy_string(pa->status, "TORTURE", sizeof(pa->status));
1023                 break;
1024         case '4':
1025                 ast_copy_string(pa->status, "DONTCALL", sizeof(pa->status));
1026                 break;
1027         case '5':
1028                 /* XXX should we set status to DENY ? */
1029                 if( ast_test_flag(opts, OPT_PRIVACY) )
1030                         break;
1031                 /* if not privacy, then 5 is the same as "default" case */
1032         default:        /* bad input or -1 if failure to start autoservice */
1033                 /* well, if the user messes up, ... he had his chance... What Is The Best Thing To Do?  */
1034                 /* well, there seems basically two choices. Just patch the caller thru immediately,
1035                           or,... put 'em thru to voicemail. */
1036                 /* since the callee may have hung up, let's do the voicemail thing, no database decision */
1037                 ast_log(LOG_NOTICE, "privacy: no valid response from the callee. Sending the caller to voicemail, the callee isn't responding\n");
1038                 /* XXX should we set status to DENY ? */
1039                 /* XXX what about the privacy flags ? */
1040                 break;
1041         }
1042
1043         if (res2 == '1') {      /* the only case where we actually connect */
1044                 /* if the intro is NOCALLERID, then there's no reason to leave it on disk, it'll 
1045                    just clog things up, and it's not useful information, not being tied to a CID */
1046                 if( strncmp(pa->privcid,"NOCALLERID",10) == 0 || ast_test_flag(opts, OPT_SCREEN_NOINTRO) ) {
1047                         ast_filedelete(pa->privintro, NULL);
1048                         if( ast_fileexists(pa->privintro, NULL, NULL ) > 0 )
1049                                 ast_log(LOG_NOTICE, "privacy: ast_filedelete didn't do its job on %s\n", pa->privintro);
1050                         else if (option_verbose > 2)
1051                                 ast_verbose(VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", pa->privintro);
1052                 }
1053                 return 0;       /* the good exit path */
1054         } else {
1055                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1056                 return -1;
1057         }
1058 }
1059
1060 /*! \brief returns 1 if successful, 0 or <0 if the caller should 'goto out' */
1061 static int setup_privacy_args(struct privacy_args *pa,
1062         struct ast_flags *opts, char *opt_args[], struct ast_channel *chan)
1063 {
1064         char callerid[60];
1065         int res;
1066         char *l;
1067
1068         if (!ast_strlen_zero(chan->cid.cid_num)) {
1069                 l = ast_strdupa(chan->cid.cid_num);
1070                 ast_shrink_phone_number(l);
1071                 if (ast_test_flag(opts, OPT_PRIVACY) ) {
1072                         if (option_verbose > 2)
1073                                 ast_verbose(VERBOSE_PREFIX_3  "Privacy DB is '%s', clid is '%s'\n",
1074                                              opt_args[OPT_ARG_PRIVACY], l);
1075                         pa->privdb_val = ast_privacy_check(opt_args[OPT_ARG_PRIVACY], l);
1076                 } else {
1077                         if (option_verbose > 2)
1078                                 ast_verbose(VERBOSE_PREFIX_3  "Privacy Screening, clid is '%s'\n", l);
1079                         pa->privdb_val = AST_PRIVACY_UNKNOWN;
1080                 }
1081         } else {
1082                 char *tnam, *tn2;
1083
1084                 tnam = ast_strdupa(chan->name);
1085                 /* clean the channel name so slashes don't try to end up in disk file name */
1086                 for (tn2 = tnam; *tn2; tn2++) {
1087                         if (*tn2=='/')  /* any other chars to be afraid of? */
1088                                 *tn2 = '=';
1089                 }
1090                 if (option_verbose > 2)
1091                         ast_verbose(VERBOSE_PREFIX_3  "Privacy-- callerid is empty\n");
1092
1093                 snprintf(callerid, sizeof(callerid), "NOCALLERID_%s%s", chan->exten, tnam);
1094                 l = callerid;
1095                 pa->privdb_val = AST_PRIVACY_UNKNOWN;
1096         }
1097         
1098         ast_copy_string(pa->privcid,l,sizeof(pa->privcid));
1099
1100         if( strncmp(pa->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 */  
1101                 if (option_verbose > 2)
1102                         ast_verbose( VERBOSE_PREFIX_3  "CallerID set (%s); N option set; Screening should be off\n", pa->privcid);
1103                 pa->privdb_val = AST_PRIVACY_ALLOW;
1104         } else if (ast_test_flag(opts, OPT_SCREEN_NOCLID) && strncmp(pa->privcid,"NOCALLERID",10) == 0 ) {
1105                 if (option_verbose > 2)
1106                         ast_verbose( VERBOSE_PREFIX_3  "CallerID blank; N option set; Screening should happen; dbval is %d\n", pa->privdb_val);
1107         }
1108         
1109         if (pa->privdb_val == AST_PRIVACY_DENY ) {
1110                 ast_copy_string(pa->status, "NOANSWER", sizeof(pa->status));
1111                 if (option_verbose > 2)
1112                         ast_verbose( VERBOSE_PREFIX_3  "Privacy DB reports PRIVACY_DENY for this callerid. Dial reports unavailable\n");
1113                 return 0;
1114         } else if (pa->privdb_val == AST_PRIVACY_KILL ) {
1115                 ast_copy_string(pa->status, "DONTCALL", sizeof(pa->status));
1116                 if (ast_opt_priority_jumping || ast_test_flag(opts, OPT_PRIORITY_JUMP)) {
1117                         ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 201);
1118                 }
1119                 return 0; /* Is this right? */
1120         } else if (pa->privdb_val == AST_PRIVACY_TORTURE ) {
1121                 ast_copy_string(pa->status, "TORTURE", sizeof(pa->status));
1122                 if (ast_opt_priority_jumping || ast_test_flag(opts, OPT_PRIORITY_JUMP)) {
1123                         ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 301);
1124                 }
1125                 return 0; /* is this right??? */
1126         } else if (pa->privdb_val == AST_PRIVACY_UNKNOWN ) {
1127                 /* Get the user's intro, store it in priv-callerintros/$CID, 
1128                    unless it is already there-- this should be done before the 
1129                    call is actually dialed  */
1130
1131                 /* make sure the priv-callerintros dir actually exists */
1132                 snprintf(pa->privintro, sizeof(pa->privintro), "%s/sounds/priv-callerintros", ast_config_AST_DATA_DIR);
1133                 if (mkdir(pa->privintro, 0755) && errno != EEXIST) {
1134                         ast_log(LOG_WARNING, "privacy: can't create directory priv-callerintros: %s\n", strerror(errno));
1135                         return -1;
1136                 }
1137
1138                 snprintf(pa->privintro,sizeof(pa->privintro), "priv-callerintros/%s", pa->privcid);
1139                 if (ast_fileexists(pa->privintro,NULL,NULL ) > 0 && strncmp(pa->privcid,"NOCALLERID",10) != 0) {
1140                         /* the DELUX version of this code would allow this caller the
1141                            option to hear and retape their previously recorded intro.
1142                         */
1143                 } else {
1144                         int duration; /* for feedback from play_and_wait */
1145                         /* the file doesn't exist yet. Let the caller submit his
1146                            vocal intro for posterity */
1147                         /* priv-recordintro script:
1148
1149                            "At the tone, please say your name:"
1150
1151                         */
1152                         ast_answer(chan);
1153                         res = ast_play_and_record(chan, "priv-recordintro", pa->privintro, 4, "gsm", &duration, 128, 2000, 0);  /* NOTE: I've reduced the total time to 4 sec */
1154                                                                         /* don't think we'll need a lock removed, we took care of
1155                                                                            conflicts by naming the pa.privintro file */
1156                         if (res == -1) {
1157                                 /* Delete the file regardless since they hung up during recording */
1158                                 ast_filedelete(pa->privintro, NULL);
1159                                 if (ast_fileexists(pa->privintro,NULL,NULL ) > 0 )
1160                                         ast_log(LOG_NOTICE,"privacy: ast_filedelete didn't do its job on %s\n", pa->privintro);
1161                                 else if (option_verbose > 2)
1162                                         ast_verbose( VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", pa->privintro);
1163                                 return -1;
1164                         }
1165                         if (!ast_streamfile(chan, "vm-dialout", chan->language) )
1166                                 ast_waitstream(chan, "");
1167                 }
1168         }
1169         return 1;       /* success */
1170 }
1171
1172 static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags *peerflags, int *continue_exec)
1173 {
1174         int res = -1;   /* default: error */
1175         struct ast_module_user *u;
1176         char *rest, *cur;       /* scan the list of destinations */
1177         struct chanlist *outgoing = NULL;       /* list of destinations */
1178         struct ast_channel *peer;
1179         int to; /* timeout */
1180         struct cause_args num = { chan, 0, 0, 0 };
1181         int cause;
1182         char numsubst[AST_MAX_EXTENSION];
1183         char cidname[AST_MAX_EXTENSION];
1184
1185         struct ast_bridge_config config;
1186         unsigned int calldurationlimit = 0;
1187         char *dtmfcalled = NULL, *dtmfcalling = NULL;
1188         struct privacy_args pa = {
1189                 .sentringing = 0,
1190                 .privdb_val = 0,
1191                 .status = "INVALIDARGS",
1192         };
1193         int sentringing = 0, moh = 0;
1194         const char *outbound_group = NULL;
1195         int result = 0;
1196         time_t start_time;
1197         char *parse;
1198         int opermode = 0;
1199         AST_DECLARE_APP_ARGS(args,
1200                              AST_APP_ARG(peers);
1201                              AST_APP_ARG(timeout);
1202                              AST_APP_ARG(options);
1203                              AST_APP_ARG(url);
1204         );
1205         struct ast_flags opts = { 0, };
1206         char *opt_args[OPT_ARG_ARRAY_SIZE];
1207
1208         if (ast_strlen_zero(data)) {
1209                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
1210                 pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1211                 return -1;
1212         }
1213
1214         u = ast_module_user_add(chan);  /* XXX is this the right place ? */
1215
1216         parse = ast_strdupa(data);
1217         
1218         AST_STANDARD_APP_ARGS(args, parse);
1219
1220         memset(&config,0,sizeof(struct ast_bridge_config));
1221
1222         if (!ast_strlen_zero(args.options) &&
1223                         ast_app_parse_options(dial_exec_options, &opts, opt_args, args.options)) {
1224                 pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1225                 goto done;
1226         }
1227
1228         if (ast_strlen_zero(args.peers)) {
1229                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
1230                 pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1231                 goto done;
1232         }
1233
1234         if (ast_test_flag(&opts, OPT_OPERMODE)) {
1235                 opermode = ast_strlen_zero(opt_args[OPT_ARG_OPERMODE]) ? 1 : atoi(opt_args[OPT_ARG_OPERMODE]);
1236                 if (option_verbose > 2)
1237                         ast_verbose(VERBOSE_PREFIX_3 "Setting operator services mode to %d.\n", opermode);
1238         }
1239         
1240         if (ast_test_flag(&opts, OPT_DURATION_STOP) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_STOP])) {
1241                 calldurationlimit = atoi(opt_args[OPT_ARG_DURATION_STOP]);
1242                 if (!calldurationlimit) {
1243                         ast_log(LOG_WARNING, "Dial does not accept S(%s), hanging up.\n", opt_args[OPT_ARG_DURATION_STOP]);
1244                         pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1245                         goto done;
1246                 }
1247                 if (option_verbose > 2)
1248                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n", calldurationlimit);
1249         }
1250
1251         if (ast_test_flag(&opts, OPT_SENDDTMF) && !ast_strlen_zero(opt_args[OPT_ARG_SENDDTMF])) {
1252                 dtmfcalling = opt_args[OPT_ARG_SENDDTMF];
1253                 dtmfcalled = strsep(&dtmfcalling, ":");
1254         }
1255
1256         if (ast_test_flag(&opts, OPT_DURATION_LIMIT) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_LIMIT])) {
1257                 if (do_timelimit(chan, &config, opt_args[OPT_ARG_DURATION_LIMIT], &calldurationlimit))
1258                         goto done;
1259         }
1260
1261         if (ast_test_flag(&opts, OPT_RESETCDR) && chan->cdr)
1262                 ast_cdr_reset(chan->cdr, NULL);
1263         if (ast_test_flag(&opts, OPT_PRIVACY) && ast_strlen_zero(opt_args[OPT_ARG_PRIVACY]))
1264                 opt_args[OPT_ARG_PRIVACY] = ast_strdupa(chan->exten);
1265
1266         if (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) {
1267                 res = setup_privacy_args(&pa, &opts, opt_args, chan);
1268                 if (res <= 0)
1269                         goto out;
1270                 res = -1;       /* reset default */
1271         }
1272
1273         if (continue_exec)
1274                 *continue_exec = 0;
1275
1276         /* If a channel group has been specified, get it for use when we create peer channels */
1277         outbound_group = pbx_builtin_getvar_helper(chan, "OUTBOUND_GROUP");
1278
1279         ast_copy_flags(peerflags, &opts, OPT_DTMF_EXIT | OPT_GO_ON | OPT_ORIGINAL_CLID | OPT_CALLER_HANGUP | OPT_IGNORE_FORWARDING);
1280         /* loop through the list of dial destinations */
1281         rest = args.peers;
1282         while ((cur = strsep(&rest, "&")) ) {
1283                 struct chanlist *tmp;
1284                 struct ast_channel *tc; /* channel for this destination */
1285                 /* Get a technology/[device:]number pair */
1286                 char *number = cur;
1287                 char *tech = strsep(&number, "/");
1288                 if (!number) {
1289                         ast_log(LOG_WARNING, "Dial argument takes format (technology/[device:]number1)\n");
1290                         goto out;
1291                 }
1292                 if (!(tmp = ast_calloc(1, sizeof(*tmp))))
1293                         goto out;
1294                 if (opts.flags) {
1295                         ast_copy_flags(tmp, &opts,
1296                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
1297                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
1298                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
1299                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
1300                                        OPT_RINGBACK | OPT_MUSICBACK | OPT_FORCECLID);
1301                         ast_set2_flag(tmp, args.url, DIAL_NOFORWARDHTML);       
1302                 }
1303                 ast_copy_string(numsubst, number, sizeof(numsubst));
1304                 /* Request the peer */
1305                 tc = ast_request(tech, chan->nativeformats, numsubst, &cause);
1306                 if (!tc) {
1307                         /* If we can't, just go on to the next call */
1308                         ast_log(LOG_WARNING, "Unable to create channel of type '%s' (cause %d - %s)\n",
1309                                     tech, cause, ast_cause2str(cause));
1310                         handle_cause(cause, &num);
1311                         if (!rest)      /* we are on the last destination */
1312                                 chan->hangupcause = cause;
1313                         free(tmp);
1314                         continue;
1315                 }
1316                 pbx_builtin_setvar_helper(tc, "DIALEDPEERNUMBER", numsubst);
1317                 if (!ast_strlen_zero(tc->call_forward)) {
1318                         char tmpchan[256];
1319                         char *stuff;
1320                         char *tech;
1321                         ast_copy_string(tmpchan, tc->call_forward, sizeof(tmpchan));
1322                         if ((stuff = strchr(tmpchan, '/'))) {
1323                                 *stuff++ = '\0';
1324                                 tech = tmpchan;
1325                         } else {
1326                                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", tc->call_forward, tc->context);
1327                                 stuff = tmpchan;
1328                                 tech = "Local";
1329                         }
1330                         tmp->forwards++;
1331                         if (tmp->forwards < AST_MAX_FORWARDS) {
1332                                 if (option_verbose > 2)
1333                                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n",
1334                                         chan->name, tech, stuff, tc->name);
1335                                 ast_hangup(tc);
1336                                 /* If we have been told to ignore forwards, just set this channel to null
1337                                  * and continue processing extensions normally */
1338                                 if (ast_test_flag(&opts, OPT_IGNORE_FORWARDING)) {
1339                                         tc = NULL;
1340                                         cause = AST_CAUSE_BUSY;
1341                                         if (option_verbose > 2)
1342                                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n",
1343                                                         chan->name, tech, stuff);
1344                                 } else {
1345                                         tc = ast_request(tech, chan->nativeformats, stuff, &cause);
1346                                 }
1347                                 if (!tc)
1348                                         ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
1349                                 else
1350                                         ast_channel_inherit_variables(chan, tc);
1351                         } else {
1352                                 if (option_verbose > 2)
1353                                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", tc->name);
1354                                 ast_hangup(tc);
1355                                 tc = NULL;
1356                                 cause = AST_CAUSE_CONGESTION;
1357                         }
1358                         if (!tc) {
1359                                 handle_cause(cause, &num);
1360                                 free(tmp);
1361                                 continue;
1362                         }
1363                 }
1364
1365                 /* Setup outgoing SDP to match incoming one */
1366                 ast_rtp_make_compatible(tc, chan, !outgoing && !rest);
1367                 
1368                 /* Inherit specially named variables from parent channel */
1369                 ast_channel_inherit_variables(chan, tc);
1370
1371                 tc->appl = "AppDial";
1372                 tc->data = "(Outgoing Line)";
1373                 tc->whentohangup = 0;
1374
1375                 S_REPLACE(tc->cid.cid_num, ast_strdup(chan->cid.cid_num));
1376                 S_REPLACE(tc->cid.cid_name, ast_strdup(chan->cid.cid_name));
1377                 S_REPLACE(tc->cid.cid_ani, ast_strdup(chan->cid.cid_ani));
1378                 S_REPLACE(tc->cid.cid_rdnis, ast_strdup(chan->cid.cid_rdnis));
1379                 
1380                 /* Copy language from incoming to outgoing */
1381                 ast_string_field_set(tc, language, chan->language);
1382                 ast_string_field_set(tc, accountcode, chan->accountcode);
1383                 tc->cdrflags = chan->cdrflags;
1384                 if (ast_strlen_zero(tc->musicclass))
1385                         ast_string_field_set(tc, musicclass, chan->musicclass);
1386                 /* Pass callingpres, type of number, tns, ADSI CPE, transfer capability */
1387                 tc->cid.cid_pres = chan->cid.cid_pres;
1388                 tc->cid.cid_ton = chan->cid.cid_ton;
1389                 tc->cid.cid_tns = chan->cid.cid_tns;
1390                 tc->adsicpe = chan->adsicpe;
1391                 tc->transfercapability = chan->transfercapability;
1392
1393                 /* If we have an outbound group, set this peer channel to it */
1394                 if (outbound_group)
1395                         ast_app_group_set_channel(tc, outbound_group);
1396
1397                 /* Inherit context and extension */
1398                 if (!ast_strlen_zero(chan->macrocontext))
1399                         ast_copy_string(tc->dialcontext, chan->macrocontext, sizeof(tc->dialcontext));
1400                 else
1401                         ast_copy_string(tc->dialcontext, chan->context, sizeof(tc->dialcontext));
1402                 if (!ast_strlen_zero(chan->macroexten))
1403                         ast_copy_string(tc->exten, chan->macroexten, sizeof(tc->exten));
1404                 else
1405                         ast_copy_string(tc->exten, chan->exten, sizeof(tc->exten));
1406
1407                 res = ast_call(tc, numsubst, 0);        /* Place the call, but don't wait on the answer */
1408
1409                 /* Save the info in cdr's that we called them */
1410                 if (chan->cdr)
1411                         ast_cdr_setdestchan(chan->cdr, tc->name);
1412
1413                 /* check the results of ast_call */
1414                 if (res) {
1415                         /* Again, keep going even if there's an error */
1416                         if (option_debug)
1417                                 ast_log(LOG_DEBUG, "ast call on peer returned %d\n", res);
1418                         if (option_verbose > 2)
1419                                 ast_verbose(VERBOSE_PREFIX_3 "Couldn't call %s\n", numsubst);
1420                         ast_hangup(tc);
1421                         tc = NULL;
1422                         free(tmp);
1423                         continue;
1424                 } else {
1425                         senddialevent(chan, tc);
1426                         if (option_verbose > 2)
1427                                 ast_verbose(VERBOSE_PREFIX_3 "Called %s\n", numsubst);
1428                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID))
1429                                 ast_set_callerid(tc, S_OR(chan->macroexten, chan->exten), get_cid_name(cidname, sizeof(cidname), chan), NULL);
1430                 }
1431                 /* Put them in the list of outgoing thingies...  We're ready now. 
1432                    XXX If we're forcibly removed, these outgoing calls won't get
1433                    hung up XXX */
1434                 ast_set_flag(tmp, DIAL_STILLGOING);     
1435                 tmp->chan = tc;
1436                 tmp->next = outgoing;
1437                 outgoing = tmp;
1438                 /* If this line is up, don't try anybody else */
1439                 if (outgoing->chan->_state == AST_STATE_UP)
1440                         break;
1441         }
1442         
1443         if (ast_strlen_zero(args.timeout)) {
1444                 to = -1;
1445         } else {
1446                 to = atoi(args.timeout);
1447                 if (to > 0)
1448                         to *= 1000;
1449                 else
1450                         ast_log(LOG_WARNING, "Invalid timeout specified: '%s'\n", args.timeout);
1451         }
1452
1453         if (!outgoing) {
1454                 strcpy(pa.status, "CHANUNAVAIL");
1455         } else {
1456                 /* Our status will at least be NOANSWER */
1457                 strcpy(pa.status, "NOANSWER");
1458                 if (ast_test_flag(outgoing, OPT_MUSICBACK)) {
1459                         moh = 1;
1460                         if (!ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
1461                                 char *original_moh = ast_strdupa(chan->musicclass);
1462                                 ast_string_field_set(chan, musicclass, opt_args[OPT_ARG_MUSICBACK]);
1463                                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1464                                 ast_string_field_set(chan, musicclass, original_moh);
1465                         } else {
1466                                 ast_moh_start(chan, NULL, NULL);
1467                         }
1468                         ast_indicate(chan, AST_CONTROL_PROGRESS);
1469                 } else if (ast_test_flag(outgoing, OPT_RINGBACK)) {
1470                         ast_indicate(chan, AST_CONTROL_RINGING);
1471                         sentringing++;
1472                 }
1473         }
1474
1475         time(&start_time);
1476         peer = wait_for_answer(chan, outgoing, &to, peerflags, &pa, &num, ast_test_flag(&opts, OPT_PRIORITY_JUMP), &result);
1477         
1478         if (!peer) {
1479                 if (result) {
1480                         res = result;
1481                 } else if (to) { /* Musta gotten hung up */
1482                         res = -1;
1483                 } else { /* Nobody answered, next please? */
1484                         res = 0;
1485                 }
1486                 /* almost done, although the 'else' block is 400 lines */
1487         } else {
1488                 const char *number;
1489                 time_t end_time, answer_time = time(NULL);
1490                 char toast[80]; /* buffer to set variables */
1491
1492                 strcpy(pa.status, "ANSWER");
1493                 /* Ah ha!  Someone answered within the desired timeframe.  Of course after this
1494                    we will always return with -1 so that it is hung up properly after the 
1495                    conversation.  */
1496                 hanguptree(outgoing, peer);
1497                 outgoing = NULL;
1498                 /* If appropriate, log that we have a destination channel */
1499                 if (chan->cdr)
1500                         ast_cdr_setdestchan(chan->cdr, peer->name);
1501                 if (peer->name)
1502                         pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", peer->name);
1503
1504                 number = pbx_builtin_getvar_helper(peer, "DIALEDPEERNUMBER");
1505                 if (!number)
1506                         number = numsubst;
1507                 pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", number);
1508                 if (!ast_strlen_zero(args.url) && ast_channel_supports_html(peer) ) {
1509                         if (option_debug)
1510                                 ast_log(LOG_DEBUG, "app_dial: sendurl=%s.\n", args.url);
1511                         ast_channel_sendurl( peer, args.url );
1512                 }
1513                 if ( (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) && pa.privdb_val == AST_PRIVACY_UNKNOWN) {
1514                         if (do_privacy(chan, peer, &opts, opt_args, &pa)) {
1515                                 res = 0;
1516                                 goto out;
1517                         }
1518                 }
1519                 if (!ast_test_flag(&opts, OPT_ANNOUNCE) || ast_strlen_zero(opt_args[OPT_ARG_ANNOUNCE])) {
1520                         res = 0;
1521                 } else {
1522                         int digit = 0;
1523                         /* Start autoservice on the other chan */
1524                         res = ast_autoservice_start(chan);
1525                         /* Now Stream the File */
1526                         if (!res)
1527                                 res = ast_streamfile(peer, opt_args[OPT_ARG_ANNOUNCE], peer->language);
1528                         if (!res) {
1529                                 digit = ast_waitstream(peer, AST_DIGIT_ANY); 
1530                         }
1531                         /* Ok, done. stop autoservice */
1532                         res = ast_autoservice_stop(chan);
1533                         if (digit > 0 && !res)
1534                                 res = ast_senddigit(chan, digit); 
1535                         else
1536                                 res = digit;
1537
1538                 }
1539
1540                 if (chan && peer && ast_test_flag(&opts, OPT_GOTO) && !ast_strlen_zero(opt_args[OPT_ARG_GOTO])) {
1541                         replace_macro_delimiter(opt_args[OPT_ARG_GOTO]);
1542                         ast_parseable_goto(chan, opt_args[OPT_ARG_GOTO]);
1543                         ast_parseable_goto(peer, opt_args[OPT_ARG_GOTO]);
1544                         peer->priority++;
1545                         ast_pbx_start(peer);
1546                         hanguptree(outgoing, NULL);
1547                         if (continue_exec)
1548                                 *continue_exec = 1;
1549                         res = 0;
1550                         goto done;
1551                 }
1552
1553                 if (ast_test_flag(&opts, OPT_CALLEE_MACRO) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_MACRO])) {
1554                         struct ast_app *theapp;
1555                         const char *macro_result;
1556
1557                         res = ast_autoservice_start(chan);
1558                         if (res) {
1559                                 ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
1560                                 res = -1;
1561                         }
1562
1563                         theapp = pbx_findapp("Macro");
1564
1565                         if (theapp && !res) {   /* XXX why check res here ? */
1566                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_MACRO]);
1567                                 res = pbx_exec(peer, theapp, opt_args[OPT_ARG_CALLEE_MACRO]);
1568                                 if (option_debug)
1569                                         ast_log(LOG_DEBUG, "Macro exited with status %d\n", res);
1570                                 res = 0;
1571                         } else {
1572                                 ast_log(LOG_ERROR, "Could not find application Macro\n");
1573                                 res = -1;
1574                         }
1575
1576                         if (ast_autoservice_stop(chan) < 0) {
1577                                 ast_log(LOG_ERROR, "Could not stop autoservice on calling channel\n");
1578                                 res = -1;
1579                         }
1580
1581                         if (!res && (macro_result = pbx_builtin_getvar_helper(peer, "MACRO_RESULT"))) {
1582                                 char *macro_transfer_dest;
1583
1584                                 if (!strcasecmp(macro_result, "BUSY")) {
1585                                         ast_copy_string(pa.status, macro_result, sizeof(pa.status));
1586                                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1587                                                 if (!ast_goto_if_exists(chan, NULL, NULL, chan->priority + 101)) {
1588                                                         ast_set_flag(peerflags, OPT_GO_ON);
1589                                                 }
1590                                         } else
1591                                                 ast_set_flag(peerflags, OPT_GO_ON);
1592                                         res = -1;
1593                                 } else if (!strcasecmp(macro_result, "CONGESTION") || !strcasecmp(macro_result, "CHANUNAVAIL")) {
1594                                         ast_copy_string(pa.status, macro_result, sizeof(pa.status));
1595                                         ast_set_flag(peerflags, OPT_GO_ON);     
1596                                         res = -1;
1597                                 } else if (!strcasecmp(macro_result, "CONTINUE")) {
1598                                         /* hangup peer and keep chan alive assuming the macro has changed 
1599                                            the context / exten / priority or perhaps 
1600                                            the next priority in the current exten is desired.
1601                                         */
1602                                         ast_set_flag(peerflags, OPT_GO_ON);     
1603                                         res = -1;
1604                                 } else if (!strcasecmp(macro_result, "ABORT")) {
1605                                         /* Hangup both ends unless the caller has the g flag */
1606                                         res = -1;
1607                                 } else if (!strncasecmp(macro_result, "GOTO:", 5) && (macro_transfer_dest = ast_strdupa(macro_result + 5))) {
1608                                         res = -1;
1609                                         /* perform a transfer to a new extension */
1610                                         if (strchr(macro_transfer_dest, '^')) { /* context^exten^priority*/
1611                                                 replace_macro_delimiter(macro_transfer_dest);
1612                                                 if (!ast_parseable_goto(chan, macro_transfer_dest))
1613                                                         ast_set_flag(peerflags, OPT_GO_ON);
1614                                         }
1615                                 }
1616                         }
1617                 }
1618
1619                 if (!res) {
1620                         if (calldurationlimit > 0) {
1621                                 chan->whentohangup = time(NULL) + calldurationlimit;
1622                         }
1623                         if (!ast_strlen_zero(dtmfcalled)) { 
1624                                 if (option_verbose > 2)
1625                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the called party.\n", dtmfcalled);
1626                                 res = ast_dtmf_stream(peer,chan,dtmfcalled,250);
1627                         }
1628                         if (!ast_strlen_zero(dtmfcalling)) {
1629                                 if (option_verbose > 2)
1630                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the calling party.\n", dtmfcalling);
1631                                 res = ast_dtmf_stream(chan,peer,dtmfcalling,250);
1632                         }
1633                 }
1634                 
1635                 if (res) {      /* some error */
1636                         res = -1;
1637                         end_time = time(NULL);
1638                 } else {
1639                         if (ast_test_flag(peerflags, OPT_CALLEE_TRANSFER))
1640                                 ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
1641                         if (ast_test_flag(peerflags, OPT_CALLER_TRANSFER))
1642                                 ast_set_flag(&(config.features_caller), AST_FEATURE_REDIRECT);
1643                         if (ast_test_flag(peerflags, OPT_CALLEE_HANGUP))
1644                                 ast_set_flag(&(config.features_callee), AST_FEATURE_DISCONNECT);
1645                         if (ast_test_flag(peerflags, OPT_CALLER_HANGUP))
1646                                 ast_set_flag(&(config.features_caller), AST_FEATURE_DISCONNECT);
1647                         if (ast_test_flag(peerflags, OPT_CALLEE_MONITOR))
1648                                 ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
1649                         if (ast_test_flag(peerflags, OPT_CALLER_MONITOR)) 
1650                                 ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
1651                         if (ast_test_flag(peerflags, OPT_CALLEE_PARK))
1652                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PARKCALL);
1653                         if (ast_test_flag(peerflags, OPT_CALLER_PARK))
1654                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PARKCALL);
1655
1656                         if (moh) {
1657                                 moh = 0;
1658                                 ast_moh_stop(chan);
1659                         } else if (sentringing) {
1660                                 sentringing = 0;
1661                                 ast_indicate(chan, -1);
1662                         }
1663                         /* Be sure no generators are left on it */
1664                         ast_deactivate_generator(chan);
1665                         /* Make sure channels are compatible */
1666                         res = ast_channel_make_compatible(chan, peer);
1667                         if (res < 0) {
1668                                 ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", chan->name, peer->name);
1669                                 ast_hangup(peer);
1670                                 res = -1;
1671                                 goto done;
1672                         }
1673                         if (opermode && !strncmp(chan->name,"Zap",3) && !strncmp(peer->name,"Zap",3)) {
1674                                 /* XXX what's this special handling for Zap <-> Zap ? */
1675                                 struct oprmode oprmode;
1676
1677                                 oprmode.peer = peer;
1678                                 oprmode.mode = opermode;
1679
1680                                 ast_channel_setoption(chan,
1681                                         AST_OPTION_OPRMODE,&oprmode,sizeof(struct oprmode),0);
1682                         }
1683                         res = ast_bridge_call(chan,peer,&config);
1684                         end_time = time(NULL);
1685                         snprintf(toast, sizeof(toast), "%ld", (long)(end_time - answer_time));
1686                         pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", toast);
1687                 }
1688
1689                 snprintf(toast, sizeof(toast), "%ld", (long)(end_time - start_time));
1690                 pbx_builtin_setvar_helper(chan, "DIALEDTIME", toast);
1691
1692                 if (res != AST_PBX_NO_HANGUP_PEER) {
1693                         if (!chan->_softhangup)
1694                                 chan->hangupcause = peer->hangupcause;
1695                         ast_hangup(peer);
1696                 }
1697         }       
1698 out:
1699         if (moh) {
1700                 moh = 0;
1701                 ast_moh_stop(chan);
1702         } else if (sentringing) {
1703                 sentringing = 0;
1704                 ast_indicate(chan, -1);
1705         }
1706         ast_channel_early_bridge(chan, NULL);
1707         hanguptree(outgoing, NULL);
1708         pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1709         senddialendevent(chan, pa.status);
1710         if (option_debug)
1711                 ast_log(LOG_DEBUG, "Exiting with DIALSTATUS=%s.\n", pa.status);
1712         
1713         if ((ast_test_flag(peerflags, OPT_GO_ON)) && (!chan->_softhangup) && (res != AST_PBX_KEEPALIVE))
1714                 res = 0;
1715
1716 done:
1717         ast_module_user_remove(u);      /* XXX probably not the right place for this. */
1718         return res;
1719 }
1720
1721 static int dial_exec(struct ast_channel *chan, void *data)
1722 {
1723         struct ast_flags peerflags;
1724
1725         memset(&peerflags, 0, sizeof(peerflags));
1726
1727         return dial_exec_full(chan, data, &peerflags, NULL);
1728 }
1729
1730 static int retrydial_exec(struct ast_channel *chan, void *data)
1731 {
1732         char *announce = NULL, *dialdata = NULL;
1733         const char *context = NULL;
1734         int sleep = 0, loops = 0, res = -1;
1735         struct ast_module_user *u;
1736         struct ast_flags peerflags;
1737         
1738         if (ast_strlen_zero(data)) {
1739                 ast_log(LOG_WARNING, "RetryDial requires an argument!\n");
1740                 return -1;
1741         }       
1742
1743         u = ast_module_user_add(chan);
1744
1745         announce = ast_strdupa(data);
1746
1747         memset(&peerflags, 0, sizeof(peerflags));
1748
1749         if ((dialdata = strchr(announce, '|'))) {
1750                 *dialdata++ = '\0';
1751                 if ((sleep = atoi(dialdata))) {
1752                         sleep *= 1000;
1753                 } else {
1754                         ast_log(LOG_ERROR, "%s requires the numerical argument <sleep>\n",rapp);
1755                         goto done;
1756                 }
1757                 if ((dialdata = strchr(dialdata, '|'))) {
1758                         *dialdata++ = '\0';
1759                         if (!(loops = atoi(dialdata))) {
1760                                 ast_log(LOG_ERROR, "%s requires the numerical argument <loops>\n",rapp);
1761                                 goto done;
1762                         }
1763                 }
1764         }
1765         
1766         if ((dialdata = strchr(dialdata, '|'))) {
1767                 *dialdata++ = '\0';
1768         } else {
1769                 ast_log(LOG_ERROR, "%s requires more arguments\n",rapp);
1770                 goto done;
1771         }
1772                 
1773         if (sleep < 1000)
1774                 sleep = 10000;
1775
1776         if (!loops)
1777                 loops = -1;     /* run forever */
1778         
1779         context = pbx_builtin_getvar_helper(chan, "EXITCONTEXT");
1780
1781         res = 0;
1782         while (loops) {
1783                 int continue_exec;
1784
1785                 chan->data = "Retrying";
1786                 if (ast_test_flag(chan, AST_FLAG_MOH))
1787                         ast_moh_stop(chan);
1788
1789                 res = dial_exec_full(chan, dialdata, &peerflags, &continue_exec);
1790                 if (continue_exec)
1791                         break;
1792                 if (res == 0) {
1793                         if (ast_test_flag(&peerflags, OPT_DTMF_EXIT)) {
1794                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1795                                         res = ast_waitstream(chan, AST_DIGIT_ANY);
1796                                 if (!res && sleep) {
1797                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1798                                                 ast_moh_start(chan, NULL, NULL);
1799                                         res = ast_waitfordigit(chan, sleep);
1800                                 }
1801                         } else {
1802                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1803                                         res = ast_waitstream(chan, "");
1804                                 if (sleep) {
1805                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1806                                                 ast_moh_start(chan, NULL, NULL);
1807                                         if (!res) 
1808                                                 res = ast_waitfordigit(chan, sleep);
1809                                 }
1810                         }
1811                 }
1812
1813                 if (res < 0)
1814                         break;
1815                 else if (res > 0) { /* Trying to send the call elsewhere (1 digit ext) */
1816                         if (onedigit_goto(chan, context, (char) res, 1)) {
1817                                 res = 0;
1818                                 break;
1819                         }
1820                 }
1821                 loops--;
1822         }
1823         if (loops == 0)
1824                 res = 0;
1825         else if (res == 1)
1826                 res = 0;
1827
1828         if (ast_test_flag(chan, AST_FLAG_MOH))
1829                 ast_moh_stop(chan);
1830  done:
1831         ast_module_user_remove(u);
1832         return res;
1833 }
1834
1835 static int unload_module(void)
1836 {
1837         int res;
1838
1839         res = ast_unregister_application(app);
1840         res |= ast_unregister_application(rapp);
1841
1842         ast_module_user_hangup_all();
1843         
1844         return res;
1845 }
1846
1847 static int load_module(void)
1848 {
1849         int res;
1850
1851         res = ast_register_application(app, dial_exec, synopsis, descrip);
1852         res |= ast_register_application(rapp, retrydial_exec, rsynopsis, rdescrip);
1853         
1854         return res;
1855 }
1856
1857 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Dialing Application");