9ffd58589704ed4f5ac8e1850d1a37e136ff77bf
[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\n"
86 "  For the Privacy and Screening Modes, the DIALSTATUS variable will be set to\n"
87 "DONTCALL if the called party chooses to send the calling party to the 'Go Away'\n"
88 "script. The DIALSTATUS variable will be set to TORTURE if the called party\n"
89 "wants to send the caller to the 'torture' script.\n"
90 "  This application will report normal termination if the originating channel\n"
91 "hangs up, or if the call is bridged and either of the parties in the bridge\n"
92 "ends the call.\n"
93 "  The optional URL will be sent to the called party if the channel supports it.\n"
94 "  If the OUTBOUND_GROUP variable is set, all peer channels created by this\n"
95 "application will be put into that group (as in Set(GROUP()=...).\n\n"
96 "  Options:\n"
97 "    A(x) - Play an announcement to the called party, using 'x' as the file.\n"
98 "    C    - Reset the CDR for this call.\n"
99 "    d    - Allow the calling user to dial a 1 digit extension while waiting for\n"
100 "           a call to be answered. Exit to that extension if it exists in the\n"
101 "           current context, or the context defined in the EXITCONTEXT variable,\n"
102 "           if it exists.\n"
103 "    D([called][:calling]) - Send the specified DTMF strings *after* the called\n"
104 "           party has answered, but before the call gets bridged. The 'called'\n"
105 "           DTMF string is sent to the called party, and the 'calling' DTMF\n"
106 "           string is sent to the calling party. Both parameters can be used\n"
107 "           alone.\n"   
108 "    f    - Force the callerid of the *calling* channel to be set as the\n"
109 "           extension associated with the channel using a dialplan 'hint'.\n"
110 "           For example, some PSTNs do not allow CallerID to be set to anything\n"
111 "           other than the number assigned to the caller.\n"
112 "    g    - Proceed with dialplan execution at the current extension if the\n"
113 "           destination channel hangs up.\n"
114 "    G(context^exten^pri) - If the call is answered, transfer the calling party to\n"
115 "           the specified priority and the called party to the specified priority+1.\n"
116 "           Optionally, an extension, or extension and context may be specified. \n"
117 "           Otherwise, the current extension is used. You cannot use any additional\n"
118 "           action post answer options in conjunction with this option.\n" 
119 "    h    - Allow the called party to hang up by sending the '*' DTMF digit.\n"
120 "    H    - Allow the calling party to hang up by hitting the '*' DTMF digit.\n"
121 "    i    - Asterisk will ignore any forwarding requests it may receive on this\n"
122 "           dial attempt.\n"
123 "    j    - Jump to priority n+101 if all of the requested channels were busy.\n"
124 "    L(x[:y][:z]) - Limit the call to 'x' ms. Play a warning when 'y' ms are\n"
125 "           left. Repeat the warning every 'z' ms. The following special\n"
126 "           variables can be used with this option:\n"
127 "           * LIMIT_PLAYAUDIO_CALLER   yes|no (default yes)\n"
128 "                                      Play sounds to the caller.\n"
129 "           * LIMIT_PLAYAUDIO_CALLEE   yes|no\n"
130 "                                      Play sounds to the callee.\n"
131 "           * LIMIT_TIMEOUT_FILE       File to play when time is up.\n"
132 "           * LIMIT_CONNECT_FILE       File to play when call begins.\n"
133 "           * LIMIT_WARNING_FILE       File to play as warning if 'y' is defined.\n"
134 "                                      The default is to say the time remaining.\n"
135 "    m([class]) - Provide hold music to the calling party until a requested\n"
136 "           channel answers. A specific MusicOnHold class can be\n"
137 "           specified.\n"
138 "    M(x[^arg]) - Execute the Macro for the *called* channel before connecting\n"
139 "           to the calling channel. Arguments can be specified to the Macro\n"
140 "           using '^' as a delimeter. The Macro can set the variable\n"
141 "           MACRO_RESULT to specify the following actions after the Macro is\n" 
142 "           finished executing.\n"
143 "           * ABORT        Hangup both legs of the call.\n"
144 "           * CONGESTION   Behave as if line congestion was encountered.\n"
145 "           * BUSY         Behave as if a busy signal was encountered. This will also\n"
146 "                          have the application jump to priority n+101 if the\n"
147 "                          'j' option is set.\n"
148 "           * CONTINUE     Hangup the called party and allow the calling party\n"
149 "                          to continue dialplan execution at the next priority.\n"
150 "           * GOTO:<context>^<exten>^<priority> - Transfer the call to the\n"
151 "                          specified priority. Optionally, an extension, or\n"
152 "                          extension and priority can be specified.\n"
153 "           You cannot use any additional action post answer options in conjunction\n"
154 "           with this option. Also, pbx services are not run on the peer (called) channel,\n"
155 "           so you will not be able to set timeouts via the TIMEOUT() function in this macro.\n"
156 "    n    - This option is a modifier for the screen/privacy mode. It specifies\n"
157 "           that no introductions are to be saved in the priv-callerintros\n"
158 "           directory.\n"
159 "    N    - This option is a modifier for the screen/privacy mode. It specifies\n"
160 "           that if callerID is present, do not screen the call.\n"
161 "    o    - Specify that the CallerID that was present on the *calling* channel\n"
162 "           be set as the CallerID on the *called* channel. This was the\n"
163 "           behavior of Asterisk 1.0 and earlier.\n"
164 "    O([x]) - \"Operator Services\" mode (Zaptel channel to Zaptel channel\n"
165 "             only, if specified on non-Zaptel interface, it will be ignored).\n"
166 "             When the destination answers (presumably an operator services\n"
167 "             station), the originator no longer has control of their line.\n"
168 "             They may hang up, but the switch will not release their line\n"
169 "             until the destination party hangs up (the operator). Specified\n"
170 "             without an arg, or with 1 as an arg, the originator hanging up\n"
171 "             will cause the phone to ring back immediately. With a 2 specified,\n"
172 "             when the \"operator\" flashes the trunk, it will ring their phone\n"
173 "             back.\n"
174 "    p    - This option enables screening mode. This is basically Privacy mode\n"
175 "           without memory.\n"
176 "    P([x]) - Enable privacy mode. Use 'x' as the family/key in the database if\n"
177 "           it is provided. The current extension is used if a database\n"
178 "           family/key is not specified.\n"
179 "    r    - Indicate ringing to the calling party. Pass no audio to the calling\n"
180 "           party until the called channel has answered.\n"
181 "    S(x) - Hang up the call after 'x' seconds *after* the called party has\n"
182 "           answered the call.\n"       
183 "    t    - Allow the called party to transfer the calling party by sending the\n"
184 "           DTMF sequence defined in features.conf.\n"
185 "    T    - Allow the calling party to transfer the called party by sending the\n"
186 "           DTMF sequence defined in features.conf.\n"
187 "    w    - Allow the called party to enable recording of the call by sending\n"
188 "           the DTMF sequence defined for one-touch recording in features.conf.\n"
189 "    W    - Allow the calling party to enable recording of the call by sending\n"
190 "           the DTMF sequence defined for one-touch recording in features.conf.\n"
191 "    k    - Allow the called party to enable parking of the call by sending\n"
192 "           the DTMF sequence defined for call parking in features.conf.\n"
193 "    K    - Allow the calling party to enable parking of the call by sending\n"
194 "           the DTMF sequence defined for call parking in features.conf.\n";
195
196 /* RetryDial App by Anthony Minessale II <anthmct@yahoo.com> Jan/2005 */
197 static char *rapp = "RetryDial";
198 static char *rsynopsis = "Place a call, retrying on failure allowing optional exit extension.";
199 static char *rdescrip =
200 "  RetryDial(announce|sleep|retries|dialargs): This application will attempt to\n"
201 "place a call using the normal Dial application. If no channel can be reached,\n"
202 "the 'announce' file will be played. Then, it will wait 'sleep' number of\n"
203 "seconds before retying the call. After 'retires' number of attempts, the\n"
204 "calling channel will continue at the next priority in the dialplan. If the\n"
205 "'retries' setting is set to 0, this application will retry endlessly.\n"
206 "  While waiting to retry a call, a 1 digit extension may be dialed. If that\n"
207 "extension exists in either the context defined in ${EXITCONTEXT} or the current\n"
208 "one, The call will jump to that extension immediately.\n"
209 "  The 'dialargs' are specified in the same format that arguments are provided\n"
210 "to the Dial application.\n";
211
212 enum {
213         OPT_ANNOUNCE =          (1 << 0),
214         OPT_RESETCDR =          (1 << 1),
215         OPT_DTMF_EXIT =         (1 << 2),
216         OPT_SENDDTMF =          (1 << 3),
217         OPT_FORCECLID =         (1 << 4),
218         OPT_GO_ON =             (1 << 5),
219         OPT_CALLEE_HANGUP =     (1 << 6),
220         OPT_CALLER_HANGUP =     (1 << 7),
221         OPT_PRIORITY_JUMP =     (1 << 8),
222         OPT_DURATION_LIMIT =    (1 << 9),
223         OPT_MUSICBACK =         (1 << 10),
224         OPT_CALLEE_MACRO =      (1 << 11),
225         OPT_SCREEN_NOINTRO =    (1 << 12),
226         OPT_SCREEN_NOCLID =     (1 << 13),
227         OPT_ORIGINAL_CLID =     (1 << 14),
228         OPT_SCREENING =         (1 << 15),
229         OPT_PRIVACY =           (1 << 16),
230         OPT_RINGBACK =          (1 << 17),
231         OPT_DURATION_STOP =     (1 << 18),
232         OPT_CALLEE_TRANSFER =   (1 << 19),
233         OPT_CALLER_TRANSFER =   (1 << 20),
234         OPT_CALLEE_MONITOR =    (1 << 21),
235         OPT_CALLER_MONITOR =    (1 << 22),
236         OPT_GOTO =              (1 << 23),
237         OPT_OPERMODE =          (1 << 24),
238         OPT_CALLEE_PARK =       (1 << 25),
239         OPT_CALLER_PARK =       (1 << 26),
240         OPT_IGNORE_FORWARDING = (1 << 27),
241 } dial_exec_option_flags;
242
243 #define DIAL_STILLGOING                 (1 << 30)
244 #define DIAL_NOFORWARDHTML              (1 << 31)
245
246 enum {
247         OPT_ARG_ANNOUNCE = 0,
248         OPT_ARG_SENDDTMF,
249         OPT_ARG_GOTO,
250         OPT_ARG_DURATION_LIMIT,
251         OPT_ARG_MUSICBACK,
252         OPT_ARG_CALLEE_MACRO,
253         OPT_ARG_PRIVACY,
254         OPT_ARG_DURATION_STOP,
255         OPT_ARG_OPERMODE,
256         /* note: this entry _MUST_ be the last one in the enum */
257         OPT_ARG_ARRAY_SIZE,
258 } dial_exec_option_args;
259
260 AST_APP_OPTIONS(dial_exec_options, {
261         AST_APP_OPTION_ARG('A', OPT_ANNOUNCE, OPT_ARG_ANNOUNCE),
262         AST_APP_OPTION('C', OPT_RESETCDR),
263         AST_APP_OPTION('d', OPT_DTMF_EXIT),
264         AST_APP_OPTION_ARG('D', OPT_SENDDTMF, OPT_ARG_SENDDTMF),
265         AST_APP_OPTION('f', OPT_FORCECLID),
266         AST_APP_OPTION('g', OPT_GO_ON),
267         AST_APP_OPTION_ARG('G', OPT_GOTO, OPT_ARG_GOTO),
268         AST_APP_OPTION('h', OPT_CALLEE_HANGUP),
269         AST_APP_OPTION('H', OPT_CALLER_HANGUP),
270         AST_APP_OPTION('i', OPT_IGNORE_FORWARDING),
271         AST_APP_OPTION('j', OPT_PRIORITY_JUMP),
272         AST_APP_OPTION_ARG('L', OPT_DURATION_LIMIT, OPT_ARG_DURATION_LIMIT),
273         AST_APP_OPTION_ARG('m', OPT_MUSICBACK, OPT_ARG_MUSICBACK),
274         AST_APP_OPTION_ARG('M', OPT_CALLEE_MACRO, OPT_ARG_CALLEE_MACRO),
275         AST_APP_OPTION('n', OPT_SCREEN_NOINTRO),
276         AST_APP_OPTION('N', OPT_SCREEN_NOCLID),
277         AST_APP_OPTION_ARG('O', OPT_OPERMODE,OPT_ARG_OPERMODE),
278         AST_APP_OPTION('o', OPT_ORIGINAL_CLID),
279         AST_APP_OPTION('p', OPT_SCREENING),
280         AST_APP_OPTION_ARG('P', OPT_PRIVACY, OPT_ARG_PRIVACY),
281         AST_APP_OPTION('r', OPT_RINGBACK),
282         AST_APP_OPTION_ARG('S', OPT_DURATION_STOP, OPT_ARG_DURATION_STOP),
283         AST_APP_OPTION('t', OPT_CALLEE_TRANSFER),
284         AST_APP_OPTION('T', OPT_CALLER_TRANSFER),
285         AST_APP_OPTION('w', OPT_CALLEE_MONITOR),
286         AST_APP_OPTION('W', OPT_CALLER_MONITOR),
287         AST_APP_OPTION('k', OPT_CALLEE_PARK),
288         AST_APP_OPTION('K', OPT_CALLER_PARK),
289 });
290
291 /* We define a custom "local user" structure because we
292    use it not only for keeping track of what is in use but
293    also for keeping track of who we're dialing. */
294
295 struct dial_localuser {
296         struct ast_channel *chan;
297         unsigned int flags;
298         int forwards;
299         struct dial_localuser *next;
300 };
301
302
303 static void hanguptree(struct dial_localuser *outgoing, struct ast_channel *exception)
304 {
305         /* Hang up a tree of stuff */
306         struct dial_localuser *oo;
307         while (outgoing) {
308                 /* Hangup any existing lines we have open */
309                 if (outgoing->chan && (outgoing->chan != exception))
310                         ast_hangup(outgoing->chan);
311                 oo = outgoing;
312                 outgoing=outgoing->next;
313                 free(oo);
314         }
315 }
316
317 #define AST_MAX_FORWARDS   8
318
319 #define AST_MAX_WATCHERS 256
320
321 /*
322  * argument to handle_cause() and other functions.
323  */
324 struct cause_args {
325         struct ast_channel *chan;
326         int busy;
327         int congestion;
328         int nochan;
329 };
330
331 static void handle_cause(int cause, struct cause_args *num)
332 {
333         struct ast_cdr *cdr = num->chan->cdr;
334
335         switch(cause) {
336         case AST_CAUSE_BUSY:
337                 if (cdr)
338                         ast_cdr_busy(cdr);
339                 num->busy++;
340                 break;
341
342         case AST_CAUSE_CONGESTION:
343                 if (cdr)
344                         ast_cdr_failed(cdr);
345                 num->congestion++;
346                 break;
347
348         case AST_CAUSE_UNREGISTERED:
349                 if (cdr)
350                         ast_cdr_failed(cdr);
351                 num->nochan++;
352                 break;
353
354         case AST_CAUSE_NORMAL_CLEARING:
355                 break;
356
357         default:
358                 num->nochan++;
359                 break;
360         }
361 }
362
363 /* free the buffer if allocated, and set the pointer to the second arg */
364 #define S_REPLACE(s, new_val)           \
365         do {                            \
366                 if (s)                  \
367                         free(s);        \
368                 s = (new_val);          \
369         } while (0)
370
371 static int onedigit_goto(struct ast_channel *chan, const char *context, char exten, int pri) 
372 {
373         char rexten[2] = { exten, '\0' };
374
375         if (context) {
376                 if (!ast_goto_if_exists(chan, context, rexten, pri))
377                         return 1;
378         } else {
379                 if (!ast_goto_if_exists(chan, chan->context, rexten, pri))
380                         return 1;
381                 else if (!ast_strlen_zero(chan->macrocontext)) {
382                         if (!ast_goto_if_exists(chan, chan->macrocontext, rexten, pri))
383                                 return 1;
384                 }
385         }
386         return 0;
387 }
388
389
390 static const char *get_cid_name(char *name, int namelen, struct ast_channel *chan)
391 {
392         const char *context = S_OR(chan->macrocontext, chan->context);
393         const char *exten = S_OR(chan->macroexten, chan->exten);
394
395         return ast_get_hint(NULL, 0, name, namelen, chan, context, exten) ? name : "";
396 }
397
398 static void senddialevent(struct ast_channel *src, struct ast_channel *dst)
399 {
400         manager_event(EVENT_FLAG_CALL, "Dial", 
401                            "SubEvent: Begin\r\n"
402                            "Source: %s\r\n"
403                            "Destination: %s\r\n"
404                            "CallerIDNum: %s\r\n"
405                            "CallerIDName: %s\r\n"
406                            "SrcUniqueID: %s\r\n"
407                            "DestUniqueID: %s\r\n",
408                            src->name, dst->name, S_OR(src->cid.cid_num, "<unknown>"),
409                            S_OR(src->cid.cid_name, "<unknown>"), src->uniqueid,
410                            dst->uniqueid);
411 }
412
413 static void senddialendevent(const struct ast_channel *src, const char *dialstatus)
414 {
415         manager_event(EVENT_FLAG_CALL, "Dial",
416                                         "SubEvent: End\r\n"
417                                         "Channel: %s\r\n"
418                                         "DialStatus: %s\r\n",
419                                         src->name, dialstatus);
420 }       
421
422 /*!
423  * helper function for wait_for_answer()
424  *
425  * XXX this code is highly suspicious, as it essentially overwrites
426  * the outgoing channel without properly deleting it.
427  */
428 static void do_forward(struct dial_localuser *o,
429         struct cause_args *num, struct ast_flags *peerflags, int single)
430 {
431         char tmpchan[256];
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(c);
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(c);
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 dial_localuser *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 dial_localuser *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)))  {
787                                 if (ast_write(outgoing->chan, f))
788                                         ast_log(LOG_WARNING, "Unable to forward voice\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                 ast_indicate(chan, -1);
942                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
943         } else if (ast_test_flag(opts, OPT_RINGBACK)) {
944                 ast_indicate(chan, AST_CONTROL_RINGING);
945                 pa->sentringing++;
946         }
947
948         /* Start autoservice on the other chan ?? */
949         res2 = ast_autoservice_start(chan);
950         /* Now Stream the File */
951         for (loopcount = 0; loopcount < 3; loopcount++) {
952                 if (res2 && loopcount == 0)     /* error in ast_autoservice_start() */
953                         break;
954                 if (!res2)      /* on timeout, play the message again */
955                         res2 = ast_play_and_wait(peer,"priv-callpending");
956                 if (!valid_priv_reply(opts, res2))
957                         res2 = 0;
958                 /* priv-callpending script: 
959                    "I have a caller waiting, who introduces themselves as:"
960                 */
961                 if (!res2)
962                         res2 = ast_play_and_wait(peer, pa->privintro);
963                 if (!valid_priv_reply(opts, res2))
964                         res2 = 0;
965                 /* now get input from the called party, as to their choice */
966                 if( !res2 ) {
967                         /* XXX can we have both, or they are mutually exclusive ? */
968                         if( ast_test_flag(opts, OPT_PRIVACY) )
969                                 res2 = ast_play_and_wait(peer,"priv-callee-options");
970                         if( ast_test_flag(opts, OPT_SCREENING) )
971                                 res2 = ast_play_and_wait(peer,"screen-callee-options");
972                 }
973                 /*! \page DialPrivacy Dial Privacy scripts
974                 \par priv-callee-options script:
975                         "Dial 1 if you wish this caller to reach you directly in the future,
976                                 and immediately connect to their incoming call
977                          Dial 2 if you wish to send this caller to voicemail now and 
978                                 forevermore.
979                          Dial 3 to send this caller to the torture menus, now and forevermore.
980                          Dial 4 to send this caller to a simple "go away" menu, now and forevermore.
981                          Dial 5 to allow this caller to come straight thru to you in the future,
982                                 but right now, just this once, send them to voicemail."
983                 \par screen-callee-options script:
984                         "Dial 1 if you wish to immediately connect to the incoming call
985                          Dial 2 if you wish to send this caller to voicemail.
986                          Dial 3 to send this caller to the torture menus.
987                          Dial 4 to send this caller to a simple "go away" menu.
988                 */
989                 if (valid_priv_reply(opts, res2))
990                         break;
991                 /* invalid option */
992                 res2 = ast_play_and_wait(peer, "vm-sorry");
993         }
994
995         if (ast_test_flag(opts, OPT_MUSICBACK)) {
996                 ast_moh_stop(chan);
997         } else if (ast_test_flag(opts, OPT_RINGBACK)) {
998                 ast_indicate(chan, -1);
999                 pa->sentringing=0;
1000         }
1001         ast_autoservice_stop(chan);
1002         if(ast_test_flag(opts, OPT_PRIVACY) && (res2 >= '1' && res2 <= '5')) {
1003                 /* map keypresses to various things, the index is res2 - '1' */
1004                 static const char *_val[] = { "ALLOW", "DENY", "TORTURE", "KILL", "ALLOW" };
1005                 static const int _flag[] = { AST_PRIVACY_ALLOW, AST_PRIVACY_DENY, AST_PRIVACY_TORTURE, AST_PRIVACY_KILL, AST_PRIVACY_ALLOW};
1006                 int i = res2 - '1';
1007                 if (option_verbose > 2)
1008                         ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to %s\n",
1009                                              opt_args[OPT_ARG_PRIVACY], pa->privcid, _val[i]);
1010                 ast_privacy_set(opt_args[OPT_ARG_PRIVACY], pa->privcid, _flag[i]);
1011         }
1012         switch (res2) {
1013         case '1':
1014                 break;
1015         case '2':
1016                 ast_copy_string(pa->status, "NOANSWER", sizeof(pa->status));
1017                 break;
1018         case '3':
1019                 ast_copy_string(pa->status, "TORTURE", sizeof(pa->status));
1020                 break;
1021         case '4':
1022                 ast_copy_string(pa->status, "DONTCALL", sizeof(pa->status));
1023                 break;
1024         case '5':
1025                 /* XXX should we set status to DENY ? */
1026                 if( ast_test_flag(opts, OPT_PRIVACY) )
1027                         break;
1028                 /* if not privacy, then 5 is the same as "default" case */
1029         default:        /* bad input or -1 if failure to start autoservice */
1030                 /* well, if the user messes up, ... he had his chance... What Is The Best Thing To Do?  */
1031                 /* well, there seems basically two choices. Just patch the caller thru immediately,
1032                           or,... put 'em thru to voicemail. */
1033                 /* since the callee may have hung up, let's do the voicemail thing, no database decision */
1034                 ast_log(LOG_NOTICE, "privacy: no valid response from the callee. Sending the caller to voicemail, the callee isn't responding\n");
1035                 /* XXX should we set status to DENY ? */
1036                 /* XXX what about the privacy flags ? */
1037                 break;
1038         }
1039
1040         if (res2 == '1') {      /* the only case where we actually connect */
1041                 /* if the intro is NOCALLERID, then there's no reason to leave it on disk, it'll 
1042                    just clog things up, and it's not useful information, not being tied to a CID */
1043                 if( strncmp(pa->privcid,"NOCALLERID",10) == 0 || ast_test_flag(opts, OPT_SCREEN_NOINTRO) ) {
1044                         ast_filedelete(pa->privintro, NULL);
1045                         if( ast_fileexists(pa->privintro, NULL, NULL ) > 0 )
1046                                 ast_log(LOG_NOTICE, "privacy: ast_filedelete didn't do its job on %s\n", pa->privintro);
1047                         else if (option_verbose > 2)
1048                                 ast_verbose(VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", pa->privintro);
1049                 }
1050                 return 0;       /* the good exit path */
1051         } else {
1052                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1053                 return -1;
1054         }
1055 }
1056
1057 /*! \brief returns 1 if successful, 0 or <0 if the caller should 'goto out' */
1058 static int setup_privacy_args(struct privacy_args *pa,
1059         struct ast_flags *opts, char *opt_args[], struct ast_channel *chan)
1060 {
1061         char callerid[60];
1062         int res;
1063         char *l;
1064
1065         if (!ast_strlen_zero(chan->cid.cid_num)) {
1066                 l = ast_strdupa(chan->cid.cid_num);
1067                 ast_shrink_phone_number(l);
1068                 if (ast_test_flag(opts, OPT_PRIVACY) ) {
1069                         if (option_verbose > 2)
1070                                 ast_verbose(VERBOSE_PREFIX_3  "Privacy DB is '%s', clid is '%s'\n",
1071                                              opt_args[OPT_ARG_PRIVACY], l);
1072                         pa->privdb_val = ast_privacy_check(opt_args[OPT_ARG_PRIVACY], l);
1073                 } else {
1074                         if (option_verbose > 2)
1075                                 ast_verbose(VERBOSE_PREFIX_3  "Privacy Screening, clid is '%s'\n", l);
1076                         pa->privdb_val = AST_PRIVACY_UNKNOWN;
1077                 }
1078         } else {
1079                 char *tnam, *tn2;
1080
1081                 tnam = ast_strdupa(chan->name);
1082                 /* clean the channel name so slashes don't try to end up in disk file name */
1083                 for (tn2 = tnam; *tn2; tn2++) {
1084                         if (*tn2=='/')  /* any other chars to be afraid of? */
1085                                 *tn2 = '=';
1086                 }
1087                 if (option_verbose > 2)
1088                         ast_verbose(VERBOSE_PREFIX_3  "Privacy-- callerid is empty\n");
1089
1090                 snprintf(callerid, sizeof(callerid), "NOCALLERID_%s%s", chan->exten, tnam);
1091                 l = callerid;
1092                 pa->privdb_val = AST_PRIVACY_UNKNOWN;
1093         }
1094         
1095         ast_copy_string(pa->privcid,l,sizeof(pa->privcid));
1096
1097         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 */  
1098                 if (option_verbose > 2)
1099                         ast_verbose( VERBOSE_PREFIX_3  "CallerID set (%s); N option set; Screening should be off\n", pa->privcid);
1100                 pa->privdb_val = AST_PRIVACY_ALLOW;
1101         } else if (ast_test_flag(opts, OPT_SCREEN_NOCLID) && strncmp(pa->privcid,"NOCALLERID",10) == 0 ) {
1102                 if (option_verbose > 2)
1103                         ast_verbose( VERBOSE_PREFIX_3  "CallerID blank; N option set; Screening should happen; dbval is %d\n", pa->privdb_val);
1104         }
1105         
1106         if (pa->privdb_val == AST_PRIVACY_DENY ) {
1107                 ast_copy_string(pa->status, "NOANSWER", sizeof(pa->status));
1108                 if (option_verbose > 2)
1109                         ast_verbose( VERBOSE_PREFIX_3  "Privacy DB reports PRIVACY_DENY for this callerid. Dial reports unavailable\n");
1110                 return 0;
1111         } else if (pa->privdb_val == AST_PRIVACY_KILL ) {
1112                 ast_copy_string(pa->status, "DONTCALL", sizeof(pa->status));
1113                 if (ast_opt_priority_jumping || ast_test_flag(opts, OPT_PRIORITY_JUMP)) {
1114                         ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 201);
1115                 }
1116                 return 0; /* Is this right? */
1117         } else if (pa->privdb_val == AST_PRIVACY_TORTURE ) {
1118                 ast_copy_string(pa->status, "TORTURE", sizeof(pa->status));
1119                 if (ast_opt_priority_jumping || ast_test_flag(opts, OPT_PRIORITY_JUMP)) {
1120                         ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 301);
1121                 }
1122                 return 0; /* is this right??? */
1123         } else if (pa->privdb_val == AST_PRIVACY_UNKNOWN ) {
1124                 /* Get the user's intro, store it in priv-callerintros/$CID, 
1125                    unless it is already there-- this should be done before the 
1126                    call is actually dialed  */
1127
1128                 /* make sure the priv-callerintros dir actually exists */
1129                 snprintf(pa->privintro, sizeof(pa->privintro), "%s/sounds/priv-callerintros", ast_config_AST_DATA_DIR);
1130                 if (mkdir(pa->privintro, 0755) && errno != EEXIST) {
1131                         ast_log(LOG_WARNING, "privacy: can't create directory priv-callerintros: %s\n", strerror(errno));
1132                         return -1;
1133                 }
1134
1135                 snprintf(pa->privintro,sizeof(pa->privintro), "priv-callerintros/%s", pa->privcid);
1136                 if (ast_fileexists(pa->privintro,NULL,NULL ) > 0 && strncmp(pa->privcid,"NOCALLERID",10) != 0) {
1137                         /* the DELUX version of this code would allow this caller the
1138                            option to hear and retape their previously recorded intro.
1139                         */
1140                 } else {
1141                         int duration; /* for feedback from play_and_wait */
1142                         /* the file doesn't exist yet. Let the caller submit his
1143                            vocal intro for posterity */
1144                         /* priv-recordintro script:
1145
1146                            "At the tone, please say your name:"
1147
1148                         */
1149                         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 */
1150                                                                         /* don't think we'll need a lock removed, we took care of
1151                                                                            conflicts by naming the pa.privintro file */
1152                         if (res == -1) {
1153                                 /* Delete the file regardless since they hung up during recording */
1154                                 ast_filedelete(pa->privintro, NULL);
1155                                 if (ast_fileexists(pa->privintro,NULL,NULL ) > 0 )
1156                                         ast_log(LOG_NOTICE,"privacy: ast_filedelete didn't do its job on %s\n", pa->privintro);
1157                                 else if (option_verbose > 2)
1158                                         ast_verbose( VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", pa->privintro);
1159                                 return -1;
1160                         }
1161                         if (!ast_streamfile(chan, "vm-dialout", chan->language) )
1162                                 ast_waitstream(chan, "");
1163                 }
1164         }
1165         return 1;       /* success */
1166 }
1167
1168 static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags *peerflags)
1169 {
1170         int res = -1;   /* default: error */
1171         struct ast_module_user *u;
1172         char *rest, *cur;       /* scan the list of destinations */
1173         struct dial_localuser *outgoing = NULL; /* list of destinations */
1174         struct ast_channel *peer;
1175         int to; /* timeout */
1176         struct cause_args num = { chan, 0, 0, 0 };
1177         int cause;
1178         char numsubst[AST_MAX_EXTENSION];
1179         char cidname[AST_MAX_EXTENSION];
1180
1181         struct ast_bridge_config config;
1182         unsigned int calldurationlimit = 0;
1183         char *dtmfcalled = NULL, *dtmfcalling = NULL;
1184         struct privacy_args pa = {
1185                 .sentringing = 0,
1186                 .privdb_val = 0,
1187         };
1188         int sentringing = 0, moh = 0;
1189         const char *outbound_group = NULL;
1190         int result = 0;
1191         time_t start_time;
1192         char *parse;
1193         int opermode = 0;
1194         AST_DECLARE_APP_ARGS(args,
1195                              AST_APP_ARG(peers);
1196                              AST_APP_ARG(timeout);
1197                              AST_APP_ARG(options);
1198                              AST_APP_ARG(url);
1199         );
1200         struct ast_flags opts = { 0, };
1201         char *opt_args[OPT_ARG_ARRAY_SIZE];
1202
1203         if (ast_strlen_zero(data)) {
1204                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
1205                 return -1;
1206         }
1207
1208         u = ast_module_user_add(chan);  /* XXX is this the right place ? */
1209
1210         parse = ast_strdupa(data);
1211
1212         AST_STANDARD_APP_ARGS(args, parse);
1213
1214         memset(&config,0,sizeof(struct ast_bridge_config));
1215
1216         if (!ast_strlen_zero(args.options) &&
1217                         ast_app_parse_options(dial_exec_options, &opts, opt_args, args.options))
1218                 goto done;
1219
1220         if (ast_strlen_zero(args.peers)) {
1221                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
1222                 goto done;
1223         }
1224
1225         if (ast_test_flag(&opts, OPT_OPERMODE)) {
1226                 opermode = ast_strlen_zero(opt_args[OPT_ARG_OPERMODE]) ? 1 : atoi(opt_args[OPT_ARG_OPERMODE]);
1227                 if (option_verbose > 2)
1228                         ast_verbose(VERBOSE_PREFIX_3 "Setting operator services mode to %d.\n", opermode);
1229         }
1230         
1231         if (ast_test_flag(&opts, OPT_DURATION_STOP) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_STOP])) {
1232                 calldurationlimit = atoi(opt_args[OPT_ARG_DURATION_STOP]);
1233                 if (!calldurationlimit) {
1234                         ast_log(LOG_WARNING, "Dial does not accept S(%s), hanging up.\n", opt_args[OPT_ARG_DURATION_STOP]);
1235                         goto done;
1236                 }
1237                 if (option_verbose > 2)
1238                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n", calldurationlimit);
1239         }
1240
1241         if (ast_test_flag(&opts, OPT_SENDDTMF) && !ast_strlen_zero(opt_args[OPT_ARG_SENDDTMF])) {
1242                 dtmfcalling = opt_args[OPT_ARG_SENDDTMF];
1243                 dtmfcalled = strsep(&dtmfcalling, ":");
1244         }
1245
1246         if (ast_test_flag(&opts, OPT_DURATION_LIMIT) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_LIMIT])) {
1247                 if (do_timelimit(chan, &config, opt_args[OPT_ARG_DURATION_LIMIT], &calldurationlimit))
1248                         goto done;
1249         }
1250
1251         if (ast_test_flag(&opts, OPT_RESETCDR) && chan->cdr)
1252                 ast_cdr_reset(chan->cdr, NULL);
1253         if (ast_test_flag(&opts, OPT_PRIVACY) && ast_strlen_zero(opt_args[OPT_ARG_PRIVACY]))
1254                 opt_args[OPT_ARG_PRIVACY] = ast_strdupa(chan->exten);
1255
1256         if (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) {
1257                 res = setup_privacy_args(&pa, &opts, opt_args, chan);
1258                 if (res <= 0)
1259                         goto out;
1260                 res = -1;       /* reset default */
1261         }
1262
1263         /* If a channel group has been specified, get it for use when we create peer channels */
1264         outbound_group = pbx_builtin_getvar_helper(chan, "OUTBOUND_GROUP");
1265
1266         ast_copy_flags(peerflags, &opts, OPT_DTMF_EXIT | OPT_GO_ON | OPT_ORIGINAL_CLID | OPT_CALLER_HANGUP | OPT_IGNORE_FORWARDING);
1267         /* loop through the list of dial destinations */
1268         rest = args.peers;
1269         while ((cur = strsep(&rest, "&")) ) {
1270                 struct dial_localuser *tmp;
1271                 /* Get a technology/[device:]number pair */
1272                 char *number = cur;
1273                 char *tech = strsep(&number, "/");
1274                 if (!number) {
1275                         ast_log(LOG_WARNING, "Dial argument takes format (technology/[device:]number1)\n");
1276                         goto out;
1277                 }
1278                 if (!(tmp = ast_calloc(1, sizeof(*tmp))))
1279                         goto out;
1280                 if (opts.flags) {
1281                         ast_copy_flags(tmp, &opts,
1282                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
1283                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
1284                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
1285                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
1286                                        OPT_RINGBACK | OPT_MUSICBACK | OPT_FORCECLID);
1287                         ast_set2_flag(tmp, args.url, DIAL_NOFORWARDHTML);       
1288                 }
1289                 ast_copy_string(numsubst, number, sizeof(numsubst));
1290                 /* Request the peer */
1291                 tmp->chan = ast_request(tech, chan->nativeformats, numsubst, &cause);
1292                 if (!tmp->chan) {
1293                         /* If we can't, just go on to the next call */
1294                         ast_log(LOG_WARNING, "Unable to create channel of type '%s' (cause %d - %s)\n", tech, cause, ast_cause2str(cause));
1295                         handle_cause(cause, &num);
1296                         if (!rest)      /* we are on the last destination */
1297                                 chan->hangupcause = cause;
1298                         free(tmp);
1299                         continue;
1300                 }
1301                 pbx_builtin_setvar_helper(tmp->chan, "DIALEDPEERNUMBER", numsubst);
1302                 if (!ast_strlen_zero(tmp->chan->call_forward)) {
1303                         char tmpchan[256];
1304                         char *stuff;
1305                         char *tech;
1306                         ast_copy_string(tmpchan, tmp->chan->call_forward, sizeof(tmpchan));
1307                         if ((stuff = strchr(tmpchan, '/'))) {
1308                                 *stuff++ = '\0';
1309                                 tech = tmpchan;
1310                         } else {
1311                                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", tmp->chan->call_forward, tmp->chan->context);
1312                                 stuff = tmpchan;
1313                                 tech = "Local";
1314                         }
1315                         tmp->forwards++;
1316                         if (tmp->forwards < AST_MAX_FORWARDS) {
1317                                 if (option_verbose > 2)
1318                                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", chan->name, tech, stuff, tmp->chan->name);
1319                                 ast_hangup(tmp->chan);
1320                                 /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
1321                                 if (ast_test_flag(&opts, OPT_IGNORE_FORWARDING)) {
1322                                         tmp->chan = NULL;
1323                                         cause = AST_CAUSE_BUSY;
1324                                         if (option_verbose > 2)
1325                                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n", chan->name, tech, stuff);
1326                                 } else {
1327                                         tmp->chan = ast_request(tech, chan->nativeformats, stuff, &cause);
1328                                 }
1329                                 if (!tmp->chan)
1330                                         ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
1331                                 else
1332                                         ast_channel_inherit_variables(chan, tmp->chan);
1333                         } else {
1334                                 if (option_verbose > 2)
1335                                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", tmp->chan->name);
1336                                 ast_hangup(tmp->chan);
1337                                 tmp->chan = NULL;
1338                                 cause = AST_CAUSE_CONGESTION;
1339                         }
1340                         if (!tmp->chan) {
1341                                 handle_cause(cause, &num);
1342                                 free(tmp);
1343                                 continue;
1344                         }
1345                 }
1346
1347                 /* Setup outgoing SDP to match incoming one */
1348                 ast_rtp_make_compatible(tmp->chan, chan, !outgoing && !rest);
1349                 
1350                 /* Inherit specially named variables from parent channel */
1351                 ast_channel_inherit_variables(chan, tmp->chan);
1352
1353                 tmp->chan->appl = "AppDial";
1354                 tmp->chan->data = "(Outgoing Line)";
1355                 tmp->chan->whentohangup = 0;
1356
1357                 S_REPLACE(tmp->chan->cid.cid_num, ast_strdup(chan->cid.cid_num));
1358                 S_REPLACE(tmp->chan->cid.cid_name, ast_strdup(chan->cid.cid_name));
1359                 S_REPLACE(tmp->chan->cid.cid_ani, ast_strdup(chan->cid.cid_ani));
1360                 S_REPLACE(tmp->chan->cid.cid_rdnis, ast_strdup(chan->cid.cid_rdnis));
1361                 
1362                 /* Copy language from incoming to outgoing */
1363                 ast_string_field_set(tmp->chan, language, chan->language);
1364                 ast_string_field_set(tmp->chan, accountcode, chan->accountcode);
1365                 tmp->chan->cdrflags = chan->cdrflags;
1366                 if (ast_strlen_zero(tmp->chan->musicclass))
1367                         ast_string_field_set(tmp->chan, musicclass, chan->musicclass);
1368                 /* Pass callingpres setting */
1369                 tmp->chan->cid.cid_pres = chan->cid.cid_pres;
1370                 /* Pass type of number */
1371                 tmp->chan->cid.cid_ton = chan->cid.cid_ton;
1372                 /* Pass type of tns */
1373                 tmp->chan->cid.cid_tns = chan->cid.cid_tns;
1374                 /* Presense of ADSI CPE on outgoing channel follows ours */
1375                 tmp->chan->adsicpe = chan->adsicpe;
1376                 /* Pass the transfer capability */
1377                 tmp->chan->transfercapability = chan->transfercapability;
1378
1379                 /* If we have an outbound group, set this peer channel to it */
1380                 if (outbound_group)
1381                         ast_app_group_set_channel(tmp->chan, outbound_group);
1382
1383                 /* Inherit context and extension */
1384                 ast_copy_string(tmp->chan->dialcontext, chan->context, sizeof(tmp->chan->dialcontext));
1385                 ast_copy_string(tmp->chan->exten, chan->exten, sizeof(tmp->chan->exten));
1386
1387                 /* Place the call, but don't wait on the answer */
1388                 res = ast_call(tmp->chan, numsubst, 0);
1389
1390                 /* Save the info in cdr's that we called them */
1391                 if (chan->cdr)
1392                         ast_cdr_setdestchan(chan->cdr, tmp->chan->name);
1393
1394                 /* check the results of ast_call */
1395                 if (res) {
1396                         /* Again, keep going even if there's an error */
1397                         if (option_debug)
1398                                 ast_log(LOG_DEBUG, "ast call on peer returned %d\n", res);
1399                         if (option_verbose > 2)
1400                                 ast_verbose(VERBOSE_PREFIX_3 "Couldn't call %s\n", numsubst);
1401                         ast_hangup(tmp->chan);
1402                         tmp->chan = NULL;
1403                         free(tmp);
1404                         continue;
1405                 } else {
1406                         senddialevent(chan, tmp->chan);
1407                         if (option_verbose > 2)
1408                                 ast_verbose(VERBOSE_PREFIX_3 "Called %s\n", numsubst);
1409                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID))
1410                                 ast_set_callerid(tmp->chan, S_OR(chan->macroexten, chan->exten), get_cid_name(cidname, sizeof(cidname), chan), NULL);
1411                 }
1412                 /* Put them in the list of outgoing thingies...  We're ready now. 
1413                    XXX If we're forcibly removed, these outgoing calls won't get
1414                    hung up XXX */
1415                 ast_set_flag(tmp, DIAL_STILLGOING);     
1416                 tmp->next = outgoing;
1417                 outgoing = tmp;
1418                 /* If this line is up, don't try anybody else */
1419                 if (outgoing->chan->_state == AST_STATE_UP)
1420                         break;
1421         }
1422         
1423         if (ast_strlen_zero(args.timeout)) {
1424                 to = -1;
1425         } else {
1426                 to = atoi(args.timeout);
1427                 if (to > 0)
1428                         to *= 1000;
1429                 else
1430                         ast_log(LOG_WARNING, "Invalid timeout specified: '%s'\n", args.timeout);
1431         }
1432
1433         if (!outgoing) {
1434                 strcpy(pa.status, "CHANUNAVAIL");
1435         } else {
1436                 /* Our status will at least be NOANSWER */
1437                 strcpy(pa.status, "NOANSWER");
1438                 if (ast_test_flag(outgoing, OPT_MUSICBACK)) {
1439                         moh = 1;
1440                         ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1441                         ast_indicate(chan, AST_CONTROL_PROGRESS);
1442                 } else if (ast_test_flag(outgoing, OPT_RINGBACK)) {
1443                         ast_indicate(chan, AST_CONTROL_RINGING);
1444                         sentringing++;
1445                 }
1446         }
1447
1448         time(&start_time);
1449         peer = wait_for_answer(chan, outgoing, &to, peerflags, &pa, &num, ast_test_flag(&opts, OPT_PRIORITY_JUMP), &result);
1450         
1451         if (!peer) {
1452                 if (result) {
1453                         res = result;
1454                 } else if (to) { /* Musta gotten hung up */
1455                         res = -1;
1456                 } else { /* Nobody answered, next please? */
1457                         res = 0;
1458                 }
1459                 /* almost done, although the 'else' block is 400 lines */
1460         } else {
1461                 const char *number;
1462                 time_t end_time, answer_time = time(NULL);
1463                 char toast[80]; /* buffer to set variables */
1464
1465                 strcpy(pa.status, "ANSWER");
1466                 /* Ah ha!  Someone answered within the desired timeframe.  Of course after this
1467                    we will always return with -1 so that it is hung up properly after the 
1468                    conversation.  */
1469                 hanguptree(outgoing, peer);
1470                 outgoing = NULL;
1471                 /* If appropriate, log that we have a destination channel */
1472                 if (chan->cdr)
1473                         ast_cdr_setdestchan(chan->cdr, peer->name);
1474                 if (peer->name)
1475                         pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", peer->name);
1476
1477                 number = pbx_builtin_getvar_helper(peer, "DIALEDPEERNUMBER");
1478                 if (!number)
1479                         number = numsubst;
1480                 pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", number);
1481                 if (!ast_strlen_zero(args.url) && ast_channel_supports_html(peer) ) {
1482                         if (option_debug)
1483                                 ast_log(LOG_DEBUG, "app_dial: sendurl=%s.\n", args.url);
1484                         ast_channel_sendurl( peer, args.url );
1485                 }
1486                 if ( (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) && pa.privdb_val == AST_PRIVACY_UNKNOWN) {
1487                         if (do_privacy(chan, peer, &opts, opt_args, &pa)) {
1488                                 res = 0;
1489                                 goto out;
1490                         }
1491                 }
1492                 if (!ast_test_flag(&opts, OPT_ANNOUNCE) || ast_strlen_zero(opt_args[OPT_ARG_ANNOUNCE])) {
1493                         res = 0;
1494                 } else {
1495                         int digit = 0;
1496                         /* Start autoservice on the other chan */
1497                         res = ast_autoservice_start(chan);
1498                         /* Now Stream the File */
1499                         if (!res)
1500                                 res = ast_streamfile(peer, opt_args[OPT_ARG_ANNOUNCE], peer->language);
1501                         if (!res) {
1502                                 digit = ast_waitstream(peer, AST_DIGIT_ANY); 
1503                         }
1504                         /* Ok, done. stop autoservice */
1505                         res = ast_autoservice_stop(chan);
1506                         if (digit > 0 && !res)
1507                                 res = ast_senddigit(chan, digit); 
1508                         else
1509                                 res = digit;
1510
1511                 }
1512
1513                 if (chan && peer && ast_test_flag(&opts, OPT_GOTO) && !ast_strlen_zero(opt_args[OPT_ARG_GOTO])) {
1514                         replace_macro_delimiter(opt_args[OPT_ARG_GOTO]);
1515                         ast_parseable_goto(chan, opt_args[OPT_ARG_GOTO]);
1516                         ast_parseable_goto(peer, opt_args[OPT_ARG_GOTO]);
1517                         peer->priority++;
1518                         ast_pbx_start(peer);
1519                         hanguptree(outgoing, NULL);
1520                         res = 0;
1521                         goto done;
1522                 }
1523
1524                 if (ast_test_flag(&opts, OPT_CALLEE_MACRO) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_MACRO])) {
1525                         struct ast_app *theapp;
1526                         const char *macro_result;
1527
1528                         res = ast_autoservice_start(chan);
1529                         if (res) {
1530                                 ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
1531                                 res = -1;
1532                         }
1533
1534                         theapp = pbx_findapp("Macro");
1535
1536                         if (theapp && !res) {   /* XXX why check res here ? */
1537                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_MACRO]);
1538                                 res = pbx_exec(peer, theapp, opt_args[OPT_ARG_CALLEE_MACRO]);
1539                                 if (option_debug)
1540                                         ast_log(LOG_DEBUG, "Macro exited with status %d\n", res);
1541                                 res = 0;
1542                         } else {
1543                                 ast_log(LOG_ERROR, "Could not find application Macro\n");
1544                                 res = -1;
1545                         }
1546
1547                         if (ast_autoservice_stop(chan) < 0) {
1548                                 ast_log(LOG_ERROR, "Could not stop autoservice on calling channel\n");
1549                                 res = -1;
1550                         }
1551
1552                         if (!res && (macro_result = pbx_builtin_getvar_helper(peer, "MACRO_RESULT"))) {
1553                                 char *macro_transfer_dest;
1554
1555                                 if (!strcasecmp(macro_result, "BUSY")) {
1556                                         ast_copy_string(pa.status, macro_result, sizeof(pa.status));
1557                                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1558                                                 if (!ast_goto_if_exists(chan, NULL, NULL, chan->priority + 101)) {
1559                                                         ast_set_flag(peerflags, OPT_GO_ON);
1560                                                 }
1561                                         } else
1562                                                 ast_set_flag(peerflags, OPT_GO_ON);
1563                                         res = -1;
1564                                 } else if (!strcasecmp(macro_result, "CONGESTION") || !strcasecmp(macro_result, "CHANUNAVAIL")) {
1565                                         ast_copy_string(pa.status, macro_result, sizeof(pa.status));
1566                                         ast_set_flag(peerflags, OPT_GO_ON);     
1567                                         res = -1;
1568                                 } else if (!strcasecmp(macro_result, "CONTINUE")) {
1569                                         /* hangup peer and keep chan alive assuming the macro has changed 
1570                                            the context / exten / priority or perhaps 
1571                                            the next priority in the current exten is desired.
1572                                         */
1573                                         ast_set_flag(peerflags, OPT_GO_ON);     
1574                                         res = -1;
1575                                 } else if (!strcasecmp(macro_result, "ABORT")) {
1576                                         /* Hangup both ends unless the caller has the g flag */
1577                                         res = -1;
1578                                 } else if (!strncasecmp(macro_result, "GOTO:", 5) && (macro_transfer_dest = ast_strdupa(macro_result + 5))) {
1579                                         res = -1;
1580                                         /* perform a transfer to a new extension */
1581                                         if (strchr(macro_transfer_dest, '^')) { /* context^exten^priority*/
1582                                                 replace_macro_delimiter(macro_transfer_dest);
1583                                                 if (!ast_parseable_goto(chan, macro_transfer_dest))
1584                                                         ast_set_flag(peerflags, OPT_GO_ON);
1585                                         }
1586                                 }
1587                         }
1588                 }
1589
1590                 if (!res) {
1591                         if (calldurationlimit > 0) {
1592                                 chan->whentohangup = time(NULL) + calldurationlimit;
1593                         }
1594                         if (!ast_strlen_zero(dtmfcalled)) { 
1595                                 if (option_verbose > 2)
1596                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the called party.\n", dtmfcalled);
1597                                 res = ast_dtmf_stream(peer,chan,dtmfcalled,250);
1598                         }
1599                         if (!ast_strlen_zero(dtmfcalling)) {
1600                                 if (option_verbose > 2)
1601                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the calling party.\n", dtmfcalling);
1602                                 res = ast_dtmf_stream(chan,peer,dtmfcalling,250);
1603                         }
1604                 }
1605                 
1606                 if (res) {      /* some error */
1607                         res = -1;
1608                         end_time = time(NULL);
1609                 } else {
1610                         if (ast_test_flag(peerflags, OPT_CALLEE_TRANSFER))
1611                                 ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
1612                         if (ast_test_flag(peerflags, OPT_CALLER_TRANSFER))
1613                                 ast_set_flag(&(config.features_caller), AST_FEATURE_REDIRECT);
1614                         if (ast_test_flag(peerflags, OPT_CALLEE_HANGUP))
1615                                 ast_set_flag(&(config.features_callee), AST_FEATURE_DISCONNECT);
1616                         if (ast_test_flag(peerflags, OPT_CALLER_HANGUP))
1617                                 ast_set_flag(&(config.features_caller), AST_FEATURE_DISCONNECT);
1618                         if (ast_test_flag(peerflags, OPT_CALLEE_MONITOR))
1619                                 ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
1620                         if (ast_test_flag(peerflags, OPT_CALLER_MONITOR)) 
1621                                 ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
1622                         if (ast_test_flag(peerflags, OPT_CALLEE_PARK))
1623                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PARKCALL);
1624                         if (ast_test_flag(peerflags, OPT_CALLER_PARK))
1625                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PARKCALL);
1626
1627                         if (moh) {
1628                                 moh = 0;
1629                                 ast_moh_stop(chan);
1630                         } else if (sentringing) {
1631                                 sentringing = 0;
1632                                 ast_indicate(chan, -1);
1633                         }
1634                         /* Be sure no generators are left on it */
1635                         ast_deactivate_generator(chan);
1636                         /* Make sure channels are compatible */
1637                         res = ast_channel_make_compatible(chan, peer);
1638                         if (res < 0) {
1639                                 ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", chan->name, peer->name);
1640                                 ast_hangup(peer);
1641                                 res = -1;
1642                                 goto done;
1643                         }
1644                         if (opermode && !strncmp(chan->name,"Zap",3) && !strncmp(peer->name,"Zap",3)) {
1645                                 /* XXX what's this special handling for Zap <-> Zap ? */
1646                                 struct oprmode oprmode;
1647
1648                                 oprmode.peer = peer;
1649                                 oprmode.mode = opermode;
1650
1651                                 ast_channel_setoption(chan,
1652                                         AST_OPTION_OPRMODE,&oprmode,sizeof(struct oprmode),0);
1653                         }
1654                         res = ast_bridge_call(chan,peer,&config);
1655                         end_time = time(NULL);
1656                         snprintf(toast, sizeof(toast), "%ld", (long)(end_time - answer_time));
1657                         pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", toast);
1658                 }
1659
1660                 snprintf(toast, sizeof(toast), "%ld", (long)(end_time - start_time));
1661                 pbx_builtin_setvar_helper(chan, "DIALEDTIME", toast);
1662
1663                 if (res != AST_PBX_NO_HANGUP_PEER) {
1664                         if (!chan->_softhangup)
1665                                 chan->hangupcause = peer->hangupcause;
1666                         ast_hangup(peer);
1667                 }
1668         }       
1669 out:
1670         if (moh) {
1671                 moh = 0;
1672                 ast_moh_stop(chan);
1673         } else if (sentringing) {
1674                 sentringing = 0;
1675                 ast_indicate(chan, -1);
1676         }
1677         ast_channel_early_bridge(chan, NULL);
1678         hanguptree(outgoing, NULL);
1679         pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1680         senddialendevent(chan, pa.status);
1681         if (option_debug)
1682                 ast_log(LOG_DEBUG, "Exiting with DIALSTATUS=%s.\n", pa.status);
1683         
1684         if ((ast_test_flag(peerflags, OPT_GO_ON)) && (!chan->_softhangup) && (res != AST_PBX_KEEPALIVE))
1685                 res = 0;
1686
1687 done:
1688         ast_module_user_remove(u);      /* XXX probably not the right place for this. */
1689         return res;
1690 }
1691
1692 static int dial_exec(struct ast_channel *chan, void *data)
1693 {
1694         struct ast_flags peerflags;
1695         memset(&peerflags, 0, sizeof(peerflags));
1696         return dial_exec_full(chan, data, &peerflags);
1697 }
1698
1699 static int retrydial_exec(struct ast_channel *chan, void *data)
1700 {
1701         char *announce = NULL, *dialdata = NULL;
1702         const char *context = NULL;
1703         int sleep = 0, loops = 0, res = -1;
1704         struct ast_module_user *u;
1705         struct ast_flags peerflags;
1706         
1707         if (ast_strlen_zero(data)) {
1708                 ast_log(LOG_WARNING, "RetryDial requires an argument!\n");
1709                 return -1;
1710         }       
1711
1712         u = ast_module_user_add(chan);
1713
1714         announce = ast_strdupa(data);
1715
1716         memset(&peerflags, 0, sizeof(peerflags));
1717
1718         if ((dialdata = strchr(announce, '|'))) {
1719                 *dialdata++ = '\0';
1720                 if ((sleep = atoi(dialdata))) {
1721                         sleep *= 1000;
1722                 } else {
1723                         ast_log(LOG_ERROR, "%s requires the numerical argument <sleep>\n",rapp);
1724                         goto done;
1725                 }
1726                 if ((dialdata = strchr(dialdata, '|'))) {
1727                         *dialdata++ = '\0';
1728                         if (!(loops = atoi(dialdata))) {
1729                                 ast_log(LOG_ERROR, "%s requires the numerical argument <loops>\n",rapp);
1730                                 goto done;
1731                         }
1732                 }
1733         }
1734         
1735         if ((dialdata = strchr(dialdata, '|'))) {
1736                 *dialdata++ = '\0';
1737         } else {
1738                 ast_log(LOG_ERROR, "%s requires more arguments\n",rapp);
1739                 goto done;
1740         }
1741                 
1742         if (sleep < 1000)
1743                 sleep = 10000;
1744
1745         if (!loops)
1746                 loops = -1;     /* run forever */
1747         
1748         context = pbx_builtin_getvar_helper(chan, "EXITCONTEXT");
1749
1750         res = 0;
1751         while (loops) {
1752                 chan->data = "Retrying";
1753                 if (ast_test_flag(chan, AST_FLAG_MOH))
1754                         ast_moh_stop(chan);
1755
1756                 if ((res = dial_exec_full(chan, dialdata, &peerflags)) == 0) {
1757                         if (ast_test_flag(&peerflags, OPT_DTMF_EXIT)) {
1758                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1759                                         res = ast_waitstream(chan, AST_DIGIT_ANY);
1760                                 if (!res && sleep) {
1761                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1762                                                 ast_moh_start(chan, NULL, NULL);
1763                                         res = ast_waitfordigit(chan, sleep);
1764                                 }
1765                         } else {
1766                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1767                                         res = ast_waitstream(chan, "");
1768                                 if (sleep) {
1769                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1770                                                 ast_moh_start(chan, NULL, NULL);
1771                                         if (!res) 
1772                                                 res = ast_waitfordigit(chan, sleep);
1773                                 }
1774                         }
1775                 }
1776
1777                 if (res < 0)
1778                         break;
1779                 else if (res > 0) { /* Trying to send the call elsewhere (1 digit ext) */
1780                         if (onedigit_goto(chan, context, (char) res, 1)) {
1781                                 res = 0;
1782                                 break;
1783                         }
1784                 }
1785                 loops--;
1786         }
1787         if (loops == 0)
1788                 res = 0;
1789         
1790         if (ast_test_flag(chan, AST_FLAG_MOH))
1791                 ast_moh_stop(chan);
1792 done:
1793         ast_module_user_remove(u);
1794         return res;
1795 }
1796
1797 static int unload_module(void)
1798 {
1799         int res;
1800
1801         res = ast_unregister_application(app);
1802         res |= ast_unregister_application(rapp);
1803
1804         ast_module_user_hangup_all();
1805         
1806         return res;
1807 }
1808
1809 static int load_module(void)
1810 {
1811         int res;
1812
1813         res = ast_register_application(app, dial_exec, synopsis, descrip);
1814         res |= ast_register_application(rapp, retrydial_exec, rsynopsis, rdescrip);
1815         
1816         return res;
1817 }
1818
1819 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Dialing Application");