Merged revisions 166093 via svnmerge from
[asterisk/asterisk.git] / apps / app_dial.c
1 /*
2  * Asterisk -- An open source telephony toolkit.
3  *
4  * Copyright (C) 1999 - 2008, 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 /*** MODULEINFO
29         <depend>chan_local</depend>
30  ***/
31
32
33 #include "asterisk.h"
34
35 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
36
37 #include <sys/time.h>
38 #include <sys/signal.h>
39 #include <sys/stat.h>
40 #include <netinet/in.h>
41
42 #include "asterisk/paths.h" /* use ast_config_AST_DATA_DIR */
43 #include "asterisk/lock.h"
44 #include "asterisk/file.h"
45 #include "asterisk/channel.h"
46 #include "asterisk/pbx.h"
47 #include "asterisk/module.h"
48 #include "asterisk/translate.h"
49 #include "asterisk/say.h"
50 #include "asterisk/config.h"
51 #include "asterisk/features.h"
52 #include "asterisk/musiconhold.h"
53 #include "asterisk/callerid.h"
54 #include "asterisk/utils.h"
55 #include "asterisk/app.h"
56 #include "asterisk/causes.h"
57 #include "asterisk/rtp.h"
58 #include "asterisk/cdr.h"
59 #include "asterisk/manager.h"
60 #include "asterisk/privacy.h"
61 #include "asterisk/stringfields.h"
62 #include "asterisk/global_datastores.h"
63 #include "asterisk/dsp.h"
64
65 /*** DOCUMENTATION
66         <application name="Dial" language="en_US">
67                 <synopsis>
68                         Attempt to connect to another device or endpoint and bridge the call.
69                 </synopsis>
70                 <syntax>
71                         <parameter name="Technology/Resource" required="true" argsep="&amp;">
72                                 <argument name="Technology/Resource" required="true">
73                                         <para>Specification of the device(s) to dial.  These must be in the format of
74                                         <literal>Technology/Resource</literal>, where <replaceable>Technology</replaceable>
75                                         represents a particular channel driver, and <replaceable>Resource</replaceable>
76                                         represents a resource available to that particular channel driver.</para>
77                                 </argument>
78                                 <argument name="Technology2/Resource2" required="false" multiple="true">
79                                         <para>Optional extra devices to dial in parallel</para>
80                                         <para>If you need more then one enter them as
81                                         Technology2/Resource2&amp;Technology3/Resourse3&amp;.....</para>
82                                 </argument>
83                         </parameter>
84                         <parameter name="timeout" required="false">
85                                 <para>Specifies the number of seconds we attempt to dial the specified devices</para>
86                                 <para>If not specified, this defaults to 136 years.</para>
87                         </parameter>
88                         <parameter name="options" required="false">
89                            <optionlist>
90                                 <option name="A">
91                                         <argument name="x" required="true">
92                                                 <para>The file to play to the called party</para>
93                                         </argument>
94                                         <para>Play an announcement to the called party, where <replaceable>x</replaceable> is the prompt to be played</para>
95                                 </option>
96                                 <option name="C">
97                                         <para>Reset the call detail record (CDR) for this call.</para>
98                                 </option>
99                                 <option name="c">
100                                         <para>If the Dial() application cancels this call, always set the flag to tell the channel
101                                         driver that the call is answered elsewhere.</para>
102                                 </option>
103                                 <option name="d">
104                                         <para>Allow the calling user to dial a 1 digit extension while waiting for
105                                         a call to be answered. Exit to that extension if it exists in the
106                                         current context, or the context defined in the <variable>EXITCONTEXT</variable> variable,
107                                         if it exists.</para>
108                                 </option>
109                                 <option name="D" argsep=":">
110                                         <argument name="called" />
111                                         <argument name="calling" />
112                                         <para>Send the specified DTMF strings <emphasis>after</emphasis> the called
113                                         party has answered, but before the call gets bridged. The 
114                                         <replaceable>called</replaceable> DTMF string is sent to the called party, and the 
115                                         <replaceable>calling</replaceable> DTMF string is sent to the calling party. Both arguments 
116                                         can be used alone.</para>
117                                 </option>
118                                 <option name="e">
119                                         <para>Execute the <literal>h</literal> extension for peer after the call ends</para>
120                                 </option>
121                                 <option name="f">
122                                         <para>Force the callerid of the <emphasis>calling</emphasis> channel to be set as the
123                                         extension associated with the channel using a dialplan <literal>hint</literal>.
124                                         For example, some PSTNs do not allow CallerID to be set to anything
125                                         other than the number assigned to the caller.</para>
126                                 </option>
127                                 <option name="F" argsep="^">
128                                         <argument name="context" required="false" />
129                                         <argument name="exten" required="false" />
130                                         <argument name="priority" required="true" />
131                                         <para>When the caller hangs up, transfer the called party
132                                         to the specified destination and continue execution at that location.</para>
133                                 </option>
134                                 <option name="g">
135                                         <para>Proceed with dialplan execution at the next priority in the current extension if the
136                                         destination channel hangs up.</para>
137                                 </option>
138                                 <option name="G" argsep="^">
139                                         <argument name="context" required="false" />
140                                         <argument name="exten" required="false" />
141                                         <argument name="priority" required="true" />
142                                         <para>If the call is answered, transfer the calling party to
143                                         the specified <replaceable>priority</replaceable> and the called party to the specified 
144                                         <replaceable>priority</replaceable> plus one.</para>
145                                         <note>
146                                                 <para>You cannot use any additional action post answer options in conjunction with this option.</para>
147                                         </note>
148                                 </option>
149                                 <option name="h">
150                                         <para>Allow the called party to hang up by sending the <literal>*</literal> DTMF digit.</para>
151                                 </option>
152                                 <option name="H">
153                                         <para>Allow the calling party to hang up by hitting the <literal>*</literal> DTMF digit.</para>
154                                 </option>
155                                 <option name="i">
156                                         <para>Asterisk will ignore any forwarding requests it may receive on this dial attempt.</para>
157                                 </option>
158                                 <option name="k">
159                                         <para>Allow the called party to enable parking of the call by sending
160                                         the DTMF sequence defined for call parking in <filename>features.conf</filename>.</para>
161                                 </option>
162                                 <option name="K">
163                                         <para>Allow the calling party to enable parking of the call by sending
164                                         the DTMF sequence defined for call parking in <filename>features.conf</filename>.</para>
165                                 </option>
166                                 <option name="L" argsep=":">
167                                         <argument name="x" required="true">
168                                                 <para>Maximum call time, in milliseconds</para>
169                                         </argument>
170                                         <argument name="y">
171                                                 <para>Warning time, in milliseconds</para>
172                                         </argument>
173                                         <argument name="z">
174                                                 <para>Repeat time, in milliseconds</para>
175                                         </argument>
176                                         <para>Limit the call to <replaceable>x</replaceable> milliseconds. Play a warning when <replaceable>y</replaceable> milliseconds are
177                                         left. Repeat the warning every <replaceable>z</replaceable> milliseconds until time expires.</para>
178                                         <para>This option is affected by the following variables:</para>
179                                         <variablelist>
180                                                 <variable name="LIMIT_PLAYAUDIO_CALLER">
181                                                         <value name="yes" default="true" />
182                                                         <value name="no" />
183                                                         <para>If set, this variable causes Asterisk to play the prompts to the caller.</para>
184                                                 </variable>
185                                                 <variable name="LIMIT_PLAYAUDIO_CALLEE">
186                                                         <value name="yes" />
187                                                         <value name="no" default="true"/>
188                                                         <para>If set, this variable causes Asterisk to play the prompts to the callee.</para>
189                                                 </variable>
190                                                 <variable name="LIMIT_TIMEOUT_FILE">
191                                                         <value name="filename"/>
192                                                         <para>If specified, <replaceable>filename</replaceable> specifies the sound prompt to play when the timeout is reached.
193                                                         If not set, the time remaining will be announced.</para>
194                                                 </variable>
195                                                 <variable name="LIMIT_CONNECT_FILE">
196                                                         <value name="filename"/>
197                                                         <para>If specified, <replaceable>filename</replaceable> specifies the sound prompt to play when the call begins.
198                                                         If not set, the time remaining will be announced.</para>
199                                                 </variable>
200                                                 <variable name="LIMIT_WARNING_FILE">
201                                                         <value name="filename"/>
202                                                         <para>If specified, <replaceable>filename</replaceable> specifies the sound prompt to play as
203                                                         a warning when time <replaceable>x</replaceable> is reached. If not set, the time remaining will be announced.</para>
204                                                 </variable>
205                                         </variablelist>
206                                 </option>
207                                 <option name="m">
208                                         <argument name="class" required="false"/>
209                                         <para>Provide hold music to the calling party until a requested
210                                         channel answers. A specific music on hold <replaceable>class</replaceable>
211                                         (as defined in <filename>musiconhold.conf</filename>) can be specified.</para>
212                                 </option>
213                                 <option name="M" argsep="^">
214                                         <argument name="macro" required="true">
215                                                 <para>Name of the macro that should be executed.</para>
216                                         </argument>
217                                         <argument name="arg" multiple="true">
218                                                 <para>Macro arguments</para>
219                                         </argument>
220                                         <para>Execute the specified <replaceable>macro</replaceable> for the <emphasis>called</emphasis> channel 
221                                         before connecting to the calling channel. Arguments can be specified to the Macro
222                                         using <literal>^</literal> as a delimiter. The macro can set the variable
223                                         <variable>MACRO_RESULT</variable> to specify the following actions after the macro is
224                                         finished executing:</para>
225                                         <variablelist>
226                                                 <variable name="MACRO_RESULT">
227                                                         <para>If set, this action will be taken after the macro finished executing.</para>
228                                                         <value name="ABORT">
229                                                                 Hangup both legs of the call
230                                                         </value>
231                                                         <value name="CONGESTION">
232                                                                 Behave as if line congestion was encountered
233                                                         </value>
234                                                         <value name="BUSY">
235                                                                 Behave as if a busy signal was encountered
236                                                         </value>
237                                                         <value name="CONTINUE">
238                                                                 Hangup the called party and allow the calling party to continue dialplan execution at the next priority
239                                                         </value>
240                                                         <!-- TODO: Fix this syntax up, once we've figured out how to specify the GOTO syntax -->
241                                                         <value name="GOTO:&lt;context&gt;^&lt;exten&gt;^&lt;priority&gt;">
242                                                                 Transfer the call to the specified destination.
243                                                         </value>
244                                                 </variable>
245                                         </variablelist>
246                                         <note>
247                                                 <para>You cannot use any additional action post answer options in conjunction
248                                                 with this option. Also, pbx services are not run on the peer (called) channel,
249                                                 so you will not be able to set timeouts via the TIMEOUT() function in this macro.</para>
250                                         </note>
251                                 </option>
252                                 <option name="n">
253                                         <para>This option is a modifier for the call screening/privacy mode. (See the 
254                                         <literal>p</literal> and <literal>P</literal> options.) It specifies
255                                         that no introductions are to be saved in the <directory>priv-callerintros</directory>
256                                         directory.</para>
257                                 </option>
258                                 <option name="N">
259                                         <para>This option is a modifier for the call screening/privacy mode. It specifies
260                                         that if Caller*ID is present, do not screen the call.</para>
261                                 </option>
262                                 <option name="o">
263                                         <para>Specify that the Caller*ID that was present on the <emphasis>calling</emphasis> channel
264                                         be set as the Caller*ID on the <emphasis>called</emphasis> channel. This was the
265                                         behavior of Asterisk 1.0 and earlier.</para>
266                                 </option>
267                                 <option name="O">
268                                         <argument name="mode">
269                                                 <para>With <replaceable>mode</replaceable> either not specified or set to <literal>1</literal>,
270                                                 the originator hanging up will cause the phone to ring back immediately.</para>
271                                                 <para>With <replaceable>mode</replaceable> set to <literal>2</literal>, when the operator 
272                                                 flashes the trunk, it will ring their phone back.</para>
273                                         </argument>
274                                         <para>Enables <emphasis>operator services</emphasis> mode.  This option only
275                                         works when bridging a DAHDI channel to another DAHDI channel
276                                         only. if specified on non-DAHDI interfaces, it will be ignored.
277                                         When the destination answers (presumably an operator services
278                                         station), the originator no longer has control of their line.
279                                         They may hang up, but the switch will not release their line
280                                         until the destination party (the operator) hangs up.</para>
281                                 </option>
282                                 <option name="p">
283                                         <para>This option enables screening mode. This is basically Privacy mode
284                                         without memory.</para>
285                                 </option>
286                                 <option name="P">
287                                         <argument name="x" />
288                                         <para>Enable privacy mode. Use <replaceable>x</replaceable> as the family/key in the AstDB database if
289                                         it is provided. The current extension is used if a database family/key is not specified.</para>
290                                 </option>
291                                 <option name="r">
292                                         <para>Indicate ringing to the calling party, even if the called party isn't actually ringing. Pass no audio to the calling
293                                         party until the called channel has answered.</para>
294                                 </option>
295                                 <option name="S">
296                                         <argument name="x" required="true" />
297                                         <para>Hang up the call <replaceable>x</replaceable> seconds <emphasis>after</emphasis> the called party has
298                                         answered the call.</para>
299                                 </option>
300                                 <option name="t">
301                                         <para>Allow the called party to transfer the calling party by sending the
302                                         DTMF sequence defined in <filename>features.conf</filename>.</para>
303                                 </option>
304                                 <option name="T">
305                                         <para>Allow the calling party to transfer the called party by sending the
306                                         DTMF sequence defined in <filename>features.conf</filename>.</para>
307                                 </option>
308                                 <option name="U" argsep="^">
309                                         <argument name="x" required="true">
310                                                 <para>Name of the subroutine to execute via Gosub</para>
311                                         </argument>
312                                         <argument name="arg" multiple="true" required="false">
313                                                 <para>Arguments for the Gosub routine</para>
314                                         </argument>
315                                         <para>Execute via Gosub the routine <replaceable>x</replaceable> for the <emphasis>called</emphasis> channel before connecting
316                                         to the calling channel. Arguments can be specified to the Gosub
317                                         using <literal>^</literal> as a delimiter. The Gosub routine can set the variable
318                                         <variable>GOSUB_RESULT</variable> to specify the following actions after the Gosub returns.</para>
319                                         <variablelist>
320                                                 <variable name="GOSUB_RESULT">
321                                                         <value name="ABORT">
322                                                                 Hangup both legs of the call.
323                                                         </value>
324                                                         <value name="CONGESTION">
325                                                                 Behave as if line congestion was encountered.
326                                                         </value>
327                                                         <value name="BUSY">
328                                                                 Behave as if a busy signal was encountered.
329                                                         </value>
330                                                         <value name="CONTINUE">
331                                                                 Hangup the called party and allow the calling party
332                                                                 to continue dialplan execution at the next priority.
333                                                         </value>
334                                                         <!-- TODO: Fix this syntax up, once we've figured out how to specify the GOTO syntax -->
335                                                         <value name="GOTO:&lt;context&gt;^&lt;exten&gt;^&lt;priority&gt;">
336                                                                 Transfer the call to the specified priority. Optionally, an extension, or
337                                                                 extension and priority can be specified.
338                                                         </value>
339                                                 </variable>
340                                         </variablelist>
341                                         <note>
342                                                 <para>You cannot use any additional action post answer options in conjunction
343                                                 with this option. Also, pbx services are not run on the peer (called) channel,
344                                                 so you will not be able to set timeouts via the TIMEOUT() function in this routine.</para>
345                                         </note>
346                                 </option>
347                                 <option name="w">
348                                         <para>Allow the called party to enable recording of the call by sending
349                                         the DTMF sequence defined for one-touch recording in <filename>features.conf</filename>.</para>
350                                 </option>
351                                 <option name="W">
352                                         <para>Allow the calling party to enable recording of the call by sending
353                                         the DTMF sequence defined for one-touch recording in <filename>features.conf</filename>.</para>
354                                 </option>
355                                 <option name="x">
356                                         <para>Allow the called party to enable recording of the call by sending
357                                         the DTMF sequence defined for one-touch automixmonitor in <filename>features.conf</filename>.</para>
358                                 </option>
359                                 <option name="X">
360                                         <para>Allow the calling party to enable recording of the call by sending
361                                         the DTMF sequence defined for one-touch automixmonitor in <filename>features.conf</filename>.</para>
362                                 </option>
363                                 </optionlist>
364                         </parameter>
365                         <parameter name="URL">
366                                 <para>The optional URL will be sent to the called party if the channel driver supports it.</para>
367                         </parameter>
368                 </syntax>
369                 <description>
370                         <para>This application will place calls to one or more specified channels. As soon
371                         as one of the requested channels answers, the originating channel will be
372                         answered, if it has not already been answered. These two channels will then
373                         be active in a bridged call. All other channels that were requested will then
374                         be hung up.</para>
375
376                         <para>Unless there is a timeout specified, the Dial application will wait
377                         indefinitely until one of the called channels answers, the user hangs up, or
378                         if all of the called channels are busy or unavailable. Dialplan executing will
379                         continue if no requested channels can be called, or if the timeout expires.
380                         This application will report normal termination if the originating channel
381                         hangs up, or if the call is bridged and either of the parties in the bridge
382                         ends the call.</para>
383
384                         <para>If the <variable>OUTBOUND_GROUP</variable> variable is set, all peer channels created by this
385                         application will be put into that group (as in Set(GROUP()=...).
386                         If the <variable>OUTBOUND_GROUP_ONCE</variable> variable is set, all peer channels created by this
387                         application will be put into that group (as in Set(GROUP()=...). Unlike OUTBOUND_GROUP,
388                         however, the variable will be unset after use.</para>
389
390                         <para>This application sets the following channel variables:</para>
391                         <variablelist>
392                                 <variable name="DIALEDTIME">
393                                         <para>This is the time from dialing a channel until when it is disconnected.</para>
394                                 </variable>
395                                 <variable name="ANSWEREDTIME">
396                                         <para>This is the amount of time for actual call.</para>
397                                 </variable>
398                                 <variable name="DIALSTATUS">
399                                         <para>This is the status of the call</para>
400                                         <value name="CHANUNAVAIL" />
401                                         <value name="CONGESTION" />
402                                         <value name="NOANSWER" />
403                                         <value name="BUSY" />
404                                         <value name="ANSWER" />
405                                         <value name="CANCEL" />
406                                         <value name="DONTCALL">
407                                                 For the Privacy and Screening Modes.
408                                                 Will be set if the called party chooses to send the calling party to the 'Go Away' script.
409                                         </value>
410                                         <value name="TORTURE">
411                                                 For the Privacy and Screening Modes.
412                                                 Will be set if the called party chooses to send the calling party to the 'torture' script.
413                                         </value>
414                                         <value name="INVALIDARGS" />
415                                 </variable>
416                         </variablelist>
417                 </description>
418         </application>
419         <application name="RetryDial" language="en_US">
420                 <synopsis>
421                         Place a call, retrying on failure allowing an optional exit extension.
422                 </synopsis>
423                 <syntax>
424                         <parameter name="announce" required="true">
425                                 <para>Filename of sound that will be played when no channel can be reached</para>
426                         </parameter>
427                         <parameter name="sleep" required="true">
428                                 <para>Number of seconds to wait after a dial attempt failed before a new attempt is made</para>
429                         </parameter>
430                         <parameter name="retries" required="true">
431                                 <para>Number of retries</para>
432                                 <para>When this is reached flow will continue at the next priority in the dialplan</para>
433                         </parameter>
434                         <parameter name="dialargs" required="true">
435                                 <para>Same format as arguments provided to the Dial application</para>
436                         </parameter>
437                 </syntax>
438                 <description>
439                         <para>This application will attempt to place a call using the normal Dial application.
440                         If no channel can be reached, the <replaceable>announce</replaceable> file will be played.
441                         Then, it will wait <replaceable>sleep</replaceable> number of seconds before retrying the call.
442                         After <replaceable>retries</replaceable> number of attempts, the calling channel will continue at the next priority in the dialplan.
443                         If the <replaceable>retries</replaceable> setting is set to 0, this application will retry endlessly.
444                         While waiting to retry a call, a 1 digit extension may be dialed. If that
445                         extension exists in either the context defined in <variable>EXITCONTEXT</variable> or the current
446                         one, The call will jump to that extension immediately.
447                         The <replaceable>dialargs</replaceable> are specified in the same format that arguments are provided
448                         to the Dial application.</para>
449                 </description>
450         </application>
451  ***/
452
453 static char *app = "Dial";
454 static char *rapp = "RetryDial";
455
456 enum {
457         OPT_ANNOUNCE =          (1 << 0),
458         OPT_RESETCDR =          (1 << 1),
459         OPT_DTMF_EXIT =         (1 << 2),
460         OPT_SENDDTMF =          (1 << 3),
461         OPT_FORCECLID =         (1 << 4),
462         OPT_GO_ON =             (1 << 5),
463         OPT_CALLEE_HANGUP =     (1 << 6),
464         OPT_CALLER_HANGUP =     (1 << 7),
465         OPT_DURATION_LIMIT =    (1 << 9),
466         OPT_MUSICBACK =         (1 << 10),
467         OPT_CALLEE_MACRO =      (1 << 11),
468         OPT_SCREEN_NOINTRO =    (1 << 12),
469         OPT_SCREEN_NOCLID =     (1 << 13),
470         OPT_ORIGINAL_CLID =     (1 << 14),
471         OPT_SCREENING =         (1 << 15),
472         OPT_PRIVACY =           (1 << 16),
473         OPT_RINGBACK =          (1 << 17),
474         OPT_DURATION_STOP =     (1 << 18),
475         OPT_CALLEE_TRANSFER =   (1 << 19),
476         OPT_CALLER_TRANSFER =   (1 << 20),
477         OPT_CALLEE_MONITOR =    (1 << 21),
478         OPT_CALLER_MONITOR =    (1 << 22),
479         OPT_GOTO =              (1 << 23),
480         OPT_OPERMODE =          (1 << 24),
481         OPT_CALLEE_PARK =       (1 << 25),
482         OPT_CALLER_PARK =       (1 << 26),
483         OPT_IGNORE_FORWARDING = (1 << 27),
484         OPT_CALLEE_GOSUB =      (1 << 28),
485         OPT_CALLEE_MIXMONITOR = (1 << 29),
486         OPT_CALLER_MIXMONITOR = (1 << 30),
487 };
488
489 #define DIAL_STILLGOING      (1 << 31)
490 #define DIAL_NOFORWARDHTML   ((uint64_t)1 << 32) /* flags are now 64 bits, so keep it up! */
491 #define OPT_CANCEL_ELSEWHERE ((uint64_t)1 << 33)
492 #define OPT_PEER_H           ((uint64_t)1 << 34)
493 #define OPT_CALLEE_GO_ON     ((uint64_t)1 << 35)
494
495 enum {
496         OPT_ARG_ANNOUNCE = 0,
497         OPT_ARG_SENDDTMF,
498         OPT_ARG_GOTO,
499         OPT_ARG_DURATION_LIMIT,
500         OPT_ARG_MUSICBACK,
501         OPT_ARG_CALLEE_MACRO,
502         OPT_ARG_CALLEE_GOSUB,
503         OPT_ARG_CALLEE_GO_ON,
504         OPT_ARG_PRIVACY,
505         OPT_ARG_DURATION_STOP,
506         OPT_ARG_OPERMODE,
507         /* note: this entry _MUST_ be the last one in the enum */
508         OPT_ARG_ARRAY_SIZE,
509 };
510
511 AST_APP_OPTIONS(dial_exec_options, BEGIN_OPTIONS
512         AST_APP_OPTION_ARG('A', OPT_ANNOUNCE, OPT_ARG_ANNOUNCE),
513         AST_APP_OPTION('C', OPT_RESETCDR),
514         AST_APP_OPTION('c', OPT_CANCEL_ELSEWHERE),
515         AST_APP_OPTION('d', OPT_DTMF_EXIT),
516         AST_APP_OPTION_ARG('D', OPT_SENDDTMF, OPT_ARG_SENDDTMF),
517         AST_APP_OPTION('e', OPT_PEER_H),
518         AST_APP_OPTION('f', OPT_FORCECLID),
519         AST_APP_OPTION_ARG('F', OPT_CALLEE_GO_ON, OPT_ARG_CALLEE_GO_ON),
520         AST_APP_OPTION('g', OPT_GO_ON),
521         AST_APP_OPTION_ARG('G', OPT_GOTO, OPT_ARG_GOTO),
522         AST_APP_OPTION('h', OPT_CALLEE_HANGUP),
523         AST_APP_OPTION('H', OPT_CALLER_HANGUP),
524         AST_APP_OPTION('i', OPT_IGNORE_FORWARDING),
525         AST_APP_OPTION('k', OPT_CALLEE_PARK),
526         AST_APP_OPTION('K', OPT_CALLER_PARK),
527         AST_APP_OPTION('k', OPT_CALLEE_PARK),
528         AST_APP_OPTION('K', OPT_CALLER_PARK),
529         AST_APP_OPTION_ARG('L', OPT_DURATION_LIMIT, OPT_ARG_DURATION_LIMIT),
530         AST_APP_OPTION_ARG('m', OPT_MUSICBACK, OPT_ARG_MUSICBACK),
531         AST_APP_OPTION_ARG('M', OPT_CALLEE_MACRO, OPT_ARG_CALLEE_MACRO),
532         AST_APP_OPTION('n', OPT_SCREEN_NOINTRO),
533         AST_APP_OPTION('N', OPT_SCREEN_NOCLID),
534         AST_APP_OPTION('o', OPT_ORIGINAL_CLID),
535         AST_APP_OPTION_ARG('O', OPT_OPERMODE, OPT_ARG_OPERMODE),
536         AST_APP_OPTION('p', OPT_SCREENING),
537         AST_APP_OPTION_ARG('P', OPT_PRIVACY, OPT_ARG_PRIVACY),
538         AST_APP_OPTION('r', OPT_RINGBACK),
539         AST_APP_OPTION_ARG('S', OPT_DURATION_STOP, OPT_ARG_DURATION_STOP),
540         AST_APP_OPTION('t', OPT_CALLEE_TRANSFER),
541         AST_APP_OPTION('T', OPT_CALLER_TRANSFER),
542         AST_APP_OPTION_ARG('U', OPT_CALLEE_GOSUB, OPT_ARG_CALLEE_GOSUB),
543         AST_APP_OPTION('w', OPT_CALLEE_MONITOR),
544         AST_APP_OPTION('W', OPT_CALLER_MONITOR),
545         AST_APP_OPTION('x', OPT_CALLEE_MIXMONITOR),
546         AST_APP_OPTION('X', OPT_CALLER_MIXMONITOR),
547 END_OPTIONS );
548
549 #define CAN_EARLY_BRIDGE(flags,chan,peer) (!ast_test_flag64(flags, OPT_CALLEE_HANGUP | \
550         OPT_CALLER_HANGUP | OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER | \
551         OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR | OPT_CALLEE_PARK | OPT_CALLER_PARK) && \
552         !chan->audiohooks && !peer->audiohooks)
553
554 /*
555  * The list of active channels
556  */
557 struct chanlist {
558         struct chanlist *next;
559         struct ast_channel *chan;
560         uint64_t flags;
561 };
562
563
564 static void hanguptree(struct chanlist *outgoing, struct ast_channel *exception, int answered_elsewhere)
565 {
566         /* Hang up a tree of stuff */
567         struct chanlist *oo;
568         while (outgoing) {
569                 /* Hangup any existing lines we have open */
570                 if (outgoing->chan && (outgoing->chan != exception)) {
571                         if (answered_elsewhere)
572                                 ast_set_flag(outgoing->chan, AST_FLAG_ANSWERED_ELSEWHERE);
573                         ast_hangup(outgoing->chan);
574                 }
575                 oo = outgoing;
576                 outgoing = outgoing->next;
577                 ast_free(oo);
578         }
579 }
580
581 #define AST_MAX_WATCHERS 256
582
583 /*
584  * argument to handle_cause() and other functions.
585  */
586 struct cause_args {
587         struct ast_channel *chan;
588         int busy;
589         int congestion;
590         int nochan;
591 };
592
593 static void handle_cause(int cause, struct cause_args *num)
594 {
595         struct ast_cdr *cdr = num->chan->cdr;
596
597         switch(cause) {
598         case AST_CAUSE_BUSY:
599                 if (cdr)
600                         ast_cdr_busy(cdr);
601                 num->busy++;
602                 break;
603
604         case AST_CAUSE_CONGESTION:
605                 if (cdr)
606                         ast_cdr_failed(cdr);
607                 num->congestion++;
608                 break;
609
610         case AST_CAUSE_NO_ROUTE_DESTINATION:
611         case AST_CAUSE_UNREGISTERED:
612                 if (cdr)
613                         ast_cdr_failed(cdr);
614                 num->nochan++;
615                 break;
616
617         case AST_CAUSE_NORMAL_CLEARING:
618                 break;
619
620         default:
621                 num->nochan++;
622                 break;
623         }
624 }
625
626 /* free the buffer if allocated, and set the pointer to the second arg */
627 #define S_REPLACE(s, new_val)           \
628         do {                            \
629                 if (s)                  \
630                         ast_free(s);    \
631                 s = (new_val);          \
632         } while (0)
633
634 static int onedigit_goto(struct ast_channel *chan, const char *context, char exten, int pri)
635 {
636         char rexten[2] = { exten, '\0' };
637
638         if (context) {
639                 if (!ast_goto_if_exists(chan, context, rexten, pri))
640                         return 1;
641         } else {
642                 if (!ast_goto_if_exists(chan, chan->context, rexten, pri))
643                         return 1;
644                 else if (!ast_strlen_zero(chan->macrocontext)) {
645                         if (!ast_goto_if_exists(chan, chan->macrocontext, rexten, pri))
646                                 return 1;
647                 }
648         }
649         return 0;
650 }
651
652
653 static const char *get_cid_name(char *name, int namelen, struct ast_channel *chan)
654 {
655         const char *context = S_OR(chan->macrocontext, chan->context);
656         const char *exten = S_OR(chan->macroexten, chan->exten);
657
658         return ast_get_hint(NULL, 0, name, namelen, chan, context, exten) ? name : "";
659 }
660
661 static void senddialevent(struct ast_channel *src, struct ast_channel *dst, const char *dialstring)
662 {
663         manager_event(EVENT_FLAG_CALL, "Dial",
664                 "SubEvent: Begin\r\n"
665                 "Channel: %s\r\n"
666                 "Destination: %s\r\n"
667                 "CallerIDNum: %s\r\n"
668                 "CallerIDName: %s\r\n"
669                 "UniqueID: %s\r\n"
670                 "DestUniqueID: %s\r\n"
671                 "Dialstring: %s\r\n",
672                 src->name, dst->name, S_OR(src->cid.cid_num, "<unknown>"),
673                 S_OR(src->cid.cid_name, "<unknown>"), src->uniqueid,
674                 dst->uniqueid, dialstring ? dialstring : "");
675 }
676
677 static void senddialendevent(const struct ast_channel *src, const char *dialstatus)
678 {
679         manager_event(EVENT_FLAG_CALL, "Dial",
680                 "SubEvent: End\r\n"
681                 "Channel: %s\r\n"
682                 "UniqueID: %s\r\n"
683                 "DialStatus: %s\r\n",
684                 src->name, src->uniqueid, dialstatus);
685 }
686
687 /*!
688  * helper function for wait_for_answer()
689  *
690  * XXX this code is highly suspicious, as it essentially overwrites
691  * the outgoing channel without properly deleting it.
692  */
693 static void do_forward(struct chanlist *o,
694         struct cause_args *num, struct ast_flags64 *peerflags, int single)
695 {
696         char tmpchan[256];
697         struct ast_channel *original = o->chan;
698         struct ast_channel *c = o->chan; /* the winner */
699         struct ast_channel *in = num->chan; /* the input channel */
700         char *stuff;
701         char *tech;
702         int cause;
703
704         ast_copy_string(tmpchan, c->call_forward, sizeof(tmpchan));
705         if ((stuff = strchr(tmpchan, '/'))) {
706                 *stuff++ = '\0';
707                 tech = tmpchan;
708         } else {
709                 const char *forward_context;
710                 ast_channel_lock(c);
711                 forward_context = pbx_builtin_getvar_helper(c, "FORWARD_CONTEXT");
712                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", c->call_forward, forward_context ? forward_context : c->context);
713                 ast_channel_unlock(c);
714                 stuff = tmpchan;
715                 tech = "Local";
716         }
717         /* Before processing channel, go ahead and check for forwarding */
718         ast_verb(3, "Now forwarding %s to '%s/%s' (thanks to %s)\n", in->name, tech, stuff, c->name);
719         /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
720         if (ast_test_flag64(peerflags, OPT_IGNORE_FORWARDING)) {
721                 ast_verb(3, "Forwarding %s to '%s/%s' prevented.\n", in->name, tech, stuff);
722                 c = o->chan = NULL;
723                 cause = AST_CAUSE_BUSY;
724         } else {
725                 /* Setup parameters */
726                 c = o->chan = ast_request(tech, in->nativeformats, stuff, &cause);
727                 if (c) {
728                         if (single)
729                                 ast_channel_make_compatible(o->chan, in);
730                         ast_channel_inherit_variables(in, o->chan);
731                         ast_channel_datastore_inherit(in, o->chan);
732                 } else
733                         ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
734         }
735         if (!c) {
736                 ast_clear_flag64(o, DIAL_STILLGOING);
737                 handle_cause(cause, num);
738                 ast_hangup(original);
739         } else {
740                 char *new_cid_num, *new_cid_name;
741                 struct ast_channel *src;
742
743                 ast_rtp_make_compatible(c, in, single);
744                 if (ast_test_flag64(o, OPT_FORCECLID)) {
745                         new_cid_num = ast_strdup(S_OR(in->macroexten, in->exten));
746                         new_cid_name = NULL; /* XXX no name ? */
747                         src = c; /* XXX possible bug in previous code, which used 'winner' ? it may have changed */
748                 } else {
749                         new_cid_num = ast_strdup(in->cid.cid_num);
750                         new_cid_name = ast_strdup(in->cid.cid_name);
751                         src = in;
752                 }
753                 ast_string_field_set(c, accountcode, src->accountcode);
754                 c->cdrflags = src->cdrflags;
755                 S_REPLACE(c->cid.cid_num, new_cid_num);
756                 S_REPLACE(c->cid.cid_name, new_cid_name);
757
758                 if (in->cid.cid_ani) { /* XXX or maybe unconditional ? */
759                         S_REPLACE(c->cid.cid_ani, ast_strdup(in->cid.cid_ani));
760                 }
761                 S_REPLACE(c->cid.cid_rdnis, ast_strdup(S_OR(in->macroexten, in->exten)));
762                 if (ast_call(c, tmpchan, 0)) {
763                         ast_log(LOG_NOTICE, "Failed to dial on local channel for call forward to '%s'\n", tmpchan);
764                         ast_clear_flag64(o, DIAL_STILLGOING);
765                         ast_hangup(original);
766                         ast_hangup(c);
767                         c = o->chan = NULL;
768                         num->nochan++;
769                 } else {
770                         senddialevent(in, c, stuff);
771                         /* After calling, set callerid to extension */
772                         if (!ast_test_flag64(peerflags, OPT_ORIGINAL_CLID)) {
773                                 char cidname[AST_MAX_EXTENSION] = "";
774                                 ast_set_callerid(c, S_OR(in->macroexten, in->exten), get_cid_name(cidname, sizeof(cidname), in), NULL);
775                         }
776                         /* Hangup the original channel now, in case we needed it */
777                         ast_hangup(original);
778                 }
779         }
780 }
781
782 /* argument used for some functions. */
783 struct privacy_args {
784         int sentringing;
785         int privdb_val;
786         char privcid[256];
787         char privintro[1024];
788         char status[256];
789 };
790
791 static struct ast_channel *wait_for_answer(struct ast_channel *in,
792         struct chanlist *outgoing, int *to, struct ast_flags64 *peerflags,
793         struct privacy_args *pa,
794         const struct cause_args *num_in, int *result)
795 {
796         struct cause_args num = *num_in;
797         int prestart = num.busy + num.congestion + num.nochan;
798         int orig = *to;
799         struct ast_channel *peer = NULL;
800         /* single is set if only one destination is enabled */
801         int single = outgoing && !outgoing->next && !ast_test_flag64(outgoing, OPT_MUSICBACK | OPT_RINGBACK);
802 #ifdef HAVE_EPOLL
803         struct chanlist *epollo;
804 #endif
805
806         if (single) {
807                 /* Turn off hold music, etc */
808                 ast_deactivate_generator(in);
809                 /* If we are calling a single channel, make them compatible for in-band tone purpose */
810                 ast_channel_make_compatible(outgoing->chan, in);
811         }
812
813 #ifdef HAVE_EPOLL
814         for (epollo = outgoing; epollo; epollo = epollo->next)
815                 ast_poll_channel_add(in, epollo->chan);
816 #endif
817
818         while (*to && !peer) {
819                 struct chanlist *o;
820                 int pos = 0; /* how many channels do we handle */
821                 int numlines = prestart;
822                 struct ast_channel *winner;
823                 struct ast_channel *watchers[AST_MAX_WATCHERS];
824
825                 watchers[pos++] = in;
826                 for (o = outgoing; o; o = o->next) {
827                         /* Keep track of important channels */
828                         if (ast_test_flag64(o, DIAL_STILLGOING) && o->chan)
829                                 watchers[pos++] = o->chan;
830                         numlines++;
831                 }
832                 if (pos == 1) { /* only the input channel is available */
833                         if (numlines == (num.busy + num.congestion + num.nochan)) {
834                                 ast_verb(2, "Everyone is busy/congested at this time (%d:%d/%d/%d)\n", numlines, num.busy, num.congestion, num.nochan);
835                                 if (num.busy)
836                                         strcpy(pa->status, "BUSY");
837                                 else if (num.congestion)
838                                         strcpy(pa->status, "CONGESTION");
839                                 else if (num.nochan)
840                                         strcpy(pa->status, "CHANUNAVAIL");
841                         } else {
842                                 ast_verb(3, "No one is available to answer at this time (%d:%d/%d/%d)\n", numlines, num.busy, num.congestion, num.nochan);
843                         }
844                         *to = 0;
845                         return NULL;
846                 }
847                 winner = ast_waitfor_n(watchers, pos, to);
848                 for (o = outgoing; o; o = o->next) {
849                         struct ast_frame *f;
850                         struct ast_channel *c = o->chan;
851
852                         if (c == NULL)
853                                 continue;
854                         if (ast_test_flag64(o, DIAL_STILLGOING) && c->_state == AST_STATE_UP) {
855                                 if (!peer) {
856                                         ast_verb(3, "%s answered %s\n", c->name, in->name);
857                                         peer = c;
858                                         ast_copy_flags64(peerflags, o,
859                                                 OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
860                                                 OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
861                                                 OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
862                                                 OPT_CALLEE_PARK | OPT_CALLER_PARK |
863                                                 OPT_CALLEE_MIXMONITOR | OPT_CALLER_MIXMONITOR |
864                                                 DIAL_NOFORWARDHTML);
865                                         ast_string_field_set(c, dialcontext, "");
866                                         ast_copy_string(c->exten, "", sizeof(c->exten));
867                                 }
868                                 continue;
869                         }
870                         if (c != winner)
871                                 continue;
872                         /* here, o->chan == c == winner */
873                         if (!ast_strlen_zero(c->call_forward)) {
874                                 do_forward(o, &num, peerflags, single);
875                                 continue;
876                         }
877                         f = ast_read(winner);
878                         if (!f) {
879                                 in->hangupcause = c->hangupcause;
880 #ifdef HAVE_EPOLL
881                                 ast_poll_channel_del(in, c);
882 #endif
883                                 ast_hangup(c);
884                                 c = o->chan = NULL;
885                                 ast_clear_flag64(o, DIAL_STILLGOING);
886                                 handle_cause(in->hangupcause, &num);
887                                 continue;
888                         }
889                         if (f->frametype == AST_FRAME_CONTROL) {
890                                 switch(f->subclass) {
891                                 case AST_CONTROL_ANSWER:
892                                         /* This is our guy if someone answered. */
893                                         if (!peer) {
894                                                 ast_verb(3, "%s answered %s\n", c->name, in->name);
895                                                 peer = c;
896                                                 if (peer->cdr) {
897                                                         peer->cdr->answer = ast_tvnow();
898                                                         peer->cdr->disposition = AST_CDR_ANSWERED;
899                                                 }
900                                                 ast_copy_flags64(peerflags, o,
901                                                         OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
902                                                         OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
903                                                         OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
904                                                         OPT_CALLEE_PARK | OPT_CALLER_PARK |
905                                                         OPT_CALLEE_MIXMONITOR | OPT_CALLER_MIXMONITOR |
906                                                         DIAL_NOFORWARDHTML);
907                                                 ast_string_field_set(c, dialcontext, "");
908                                                 ast_copy_string(c->exten, "", sizeof(c->exten));
909                                                 if (CAN_EARLY_BRIDGE(peerflags, in, peer))
910                                                         /* Setup early bridge if appropriate */
911                                                         ast_channel_early_bridge(in, peer);
912                                         }
913                                         /* If call has been answered, then the eventual hangup is likely to be normal hangup */
914                                         in->hangupcause = AST_CAUSE_NORMAL_CLEARING;
915                                         c->hangupcause = AST_CAUSE_NORMAL_CLEARING;
916                                         break;
917                                 case AST_CONTROL_BUSY:
918                                         ast_verb(3, "%s is busy\n", c->name);
919                                         in->hangupcause = c->hangupcause;
920                                         ast_hangup(c);
921                                         c = o->chan = NULL;
922                                         ast_clear_flag64(o, DIAL_STILLGOING);
923                                         handle_cause(AST_CAUSE_BUSY, &num);
924                                         break;
925                                 case AST_CONTROL_CONGESTION:
926                                         ast_verb(3, "%s is circuit-busy\n", c->name);
927                                         in->hangupcause = c->hangupcause;
928                                         ast_hangup(c);
929                                         c = o->chan = NULL;
930                                         ast_clear_flag64(o, DIAL_STILLGOING);
931                                         handle_cause(AST_CAUSE_CONGESTION, &num);
932                                         break;
933                                 case AST_CONTROL_RINGING:
934                                         ast_verb(3, "%s is ringing\n", c->name);
935                                         /* Setup early media if appropriate */
936                                         if (single && CAN_EARLY_BRIDGE(peerflags, in, c))
937                                                 ast_channel_early_bridge(in, c);
938                                         if (!(pa->sentringing) && !ast_test_flag64(outgoing, OPT_MUSICBACK)) {
939                                                 ast_indicate(in, AST_CONTROL_RINGING);
940                                                 pa->sentringing++;
941                                         }
942                                         break;
943                                 case AST_CONTROL_PROGRESS:
944                                         ast_verb(3, "%s is making progress passing it to %s\n", c->name, in->name);
945                                         /* Setup early media if appropriate */
946                                         if (single && CAN_EARLY_BRIDGE(peerflags, in, c))
947                                                 ast_channel_early_bridge(in, c);
948                                         if (!ast_test_flag64(outgoing, OPT_RINGBACK))
949                                                 ast_indicate(in, AST_CONTROL_PROGRESS);
950                                         break;
951                                 case AST_CONTROL_VIDUPDATE:
952                                         ast_verb(3, "%s requested a video update, passing it to %s\n", c->name, in->name);
953                                         ast_indicate(in, AST_CONTROL_VIDUPDATE);
954                                         break;
955                                 case AST_CONTROL_SRCUPDATE:
956                                         ast_verb(3, "%s requested a source update, passing it to %s\n", c->name, in->name);
957                                         ast_indicate(in, AST_CONTROL_SRCUPDATE);
958                                         break;
959                                 case AST_CONTROL_PROCEEDING:
960                                         ast_verb(3, "%s is proceeding passing it to %s\n", c->name, in->name);
961                                         if (single && CAN_EARLY_BRIDGE(peerflags, in, c))
962                                                 ast_channel_early_bridge(in, c);
963                                         if (!ast_test_flag64(outgoing, OPT_RINGBACK))
964                                                 ast_indicate(in, AST_CONTROL_PROCEEDING);
965                                         break;
966                                 case AST_CONTROL_HOLD:
967                                         ast_verb(3, "Call on %s placed on hold\n", c->name);
968                                         ast_indicate(in, AST_CONTROL_HOLD);
969                                         break;
970                                 case AST_CONTROL_UNHOLD:
971                                         ast_verb(3, "Call on %s left from hold\n", c->name);
972                                         ast_indicate(in, AST_CONTROL_UNHOLD);
973                                         break;
974                                 case AST_CONTROL_OFFHOOK:
975                                 case AST_CONTROL_FLASH:
976                                         /* Ignore going off hook and flash */
977                                         break;
978                                 case -1:
979                                         if (!ast_test_flag64(outgoing, OPT_RINGBACK | OPT_MUSICBACK)) {
980                                                 ast_verb(3, "%s stopped sounds\n", c->name);
981                                                 ast_indicate(in, -1);
982                                                 pa->sentringing = 0;
983                                         }
984                                         break;
985                                 default:
986                                         ast_debug(1, "Dunno what to do with control type %d\n", f->subclass);
987                                 }
988                         } else if (single) {
989                                 switch (f->frametype) {
990                                         case AST_FRAME_VOICE:
991                                         case AST_FRAME_IMAGE:
992                                         case AST_FRAME_TEXT:
993                                                 if (ast_write(in, f)) {
994                                                         ast_log(LOG_WARNING, "Unable to write frame\n");
995                                                 }
996                                                 break;
997                                         case AST_FRAME_HTML:
998                                                 if (!ast_test_flag64(outgoing, DIAL_NOFORWARDHTML) && ast_channel_sendhtml(in, f->subclass, f->data.ptr, f->datalen) == -1) {
999                                                         ast_log(LOG_WARNING, "Unable to send URL\n");
1000                                                 }
1001                                                 break;
1002                                         default:
1003                                                 break;
1004                                 }
1005                         }
1006                         ast_frfree(f);
1007                 } /* end for */
1008                 if (winner == in) {
1009                         struct ast_frame *f = ast_read(in);
1010 #if 0
1011                         if (f && (f->frametype != AST_FRAME_VOICE))
1012                                 printf("Frame type: %d, %d\n", f->frametype, f->subclass);
1013                         else if (!f || (f->frametype != AST_FRAME_VOICE))
1014                                 printf("Hangup received on %s\n", in->name);
1015 #endif
1016                         if (!f || ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP))) {
1017                                 /* Got hung up */
1018                                 *to = -1;
1019                                 strcpy(pa->status, "CANCEL");
1020                                 ast_cdr_noanswer(in->cdr);
1021                                 if (f) {
1022                                         if (f->data.uint32) {
1023                                                 in->hangupcause = f->data.uint32;
1024                                         }
1025                                         ast_frfree(f);
1026                                 }
1027                                 return NULL;
1028                         }
1029
1030                         /* now f is guaranteed non-NULL */
1031                         if (f->frametype == AST_FRAME_DTMF) {
1032                                 if (ast_test_flag64(peerflags, OPT_DTMF_EXIT)) {
1033                                         const char *context;
1034                                         ast_channel_lock(in);
1035                                         context = pbx_builtin_getvar_helper(in, "EXITCONTEXT");
1036                                         if (onedigit_goto(in, context, (char) f->subclass, 1)) {
1037                                                 ast_verb(3, "User hit %c to disconnect call.\n", f->subclass);
1038                                                 *to = 0;
1039                                                 ast_cdr_noanswer(in->cdr);
1040                                                 *result = f->subclass;
1041                                                 strcpy(pa->status, "CANCEL");
1042                                                 ast_frfree(f);
1043                                                 ast_channel_unlock(in);
1044                                                 return NULL;
1045                                         }
1046                                         ast_channel_unlock(in);
1047                                 }
1048
1049                                 if (ast_test_flag64(peerflags, OPT_CALLER_HANGUP) &&
1050                                                 (f->subclass == '*')) { /* hmm it it not guaranteed to be '*' anymore. */
1051                                         ast_verb(3, "User hit %c to disconnect call.\n", f->subclass);
1052                                         *to = 0;
1053                                         strcpy(pa->status, "CANCEL");
1054                                         ast_cdr_noanswer(in->cdr);
1055                                         ast_frfree(f);
1056                                         return NULL;
1057                                 }
1058                         }
1059
1060                         /* Forward HTML stuff */
1061                         if (single && (f->frametype == AST_FRAME_HTML) && !ast_test_flag64(outgoing, DIAL_NOFORWARDHTML))
1062                                 if (ast_channel_sendhtml(outgoing->chan, f->subclass, f->data.ptr, f->datalen) == -1)
1063                                         ast_log(LOG_WARNING, "Unable to send URL\n");
1064
1065                         if (single && ((f->frametype == AST_FRAME_VOICE) || (f->frametype == AST_FRAME_DTMF_BEGIN) || (f->frametype == AST_FRAME_DTMF_END)))  {
1066                                 if (ast_write(outgoing->chan, f))
1067                                         ast_log(LOG_WARNING, "Unable to forward voice or dtmf\n");
1068                         }
1069                         if (single && (f->frametype == AST_FRAME_CONTROL) &&
1070                                 ((f->subclass == AST_CONTROL_HOLD) ||
1071                                 (f->subclass == AST_CONTROL_UNHOLD) ||
1072                                 (f->subclass == AST_CONTROL_VIDUPDATE) ||
1073                                  (f->subclass == AST_CONTROL_SRCUPDATE))) {
1074                                 ast_verb(3, "%s requested special control %d, passing it to %s\n", in->name, f->subclass, outgoing->chan->name);
1075                                 ast_indicate_data(outgoing->chan, f->subclass, f->data.ptr, f->datalen);
1076                         }
1077                         ast_frfree(f);
1078                 }
1079                 if (!*to)
1080                         ast_verb(3, "Nobody picked up in %d ms\n", orig);
1081                 if (!*to || ast_check_hangup(in))
1082                         ast_cdr_noanswer(in->cdr);
1083         }
1084
1085 #ifdef HAVE_EPOLL
1086         for (epollo = outgoing; epollo; epollo = epollo->next) {
1087                 if (epollo->chan)
1088                         ast_poll_channel_del(in, epollo->chan);
1089         }
1090 #endif
1091
1092         return peer;
1093 }
1094
1095 static void replace_macro_delimiter(char *s)
1096 {
1097         for (; *s; s++)
1098                 if (*s == '^')
1099                         *s = ',';
1100 }
1101
1102 /* returns true if there is a valid privacy reply */
1103 static int valid_priv_reply(struct ast_flags64 *opts, int res)
1104 {
1105         if (res < '1')
1106                 return 0;
1107         if (ast_test_flag64(opts, OPT_PRIVACY) && res <= '5')
1108                 return 1;
1109         if (ast_test_flag64(opts, OPT_SCREENING) && res <= '4')
1110                 return 1;
1111         return 0;
1112 }
1113
1114 static int do_timelimit(struct ast_channel *chan, struct ast_bridge_config *config,
1115         char *parse, struct timeval *calldurationlimit)
1116 {
1117         char *stringp = ast_strdupa(parse);
1118         char *limit_str, *warning_str, *warnfreq_str;
1119         const char *var;
1120         int play_to_caller = 0, play_to_callee = 0;
1121         int delta;
1122
1123         limit_str = strsep(&stringp, ":");
1124         warning_str = strsep(&stringp, ":");
1125         warnfreq_str = strsep(&stringp, ":");
1126
1127         config->timelimit = atol(limit_str);
1128         if (warning_str)
1129                 config->play_warning = atol(warning_str);
1130         if (warnfreq_str)
1131                 config->warning_freq = atol(warnfreq_str);
1132
1133         if (!config->timelimit) {
1134                 ast_log(LOG_WARNING, "Dial does not accept L(%s), hanging up.\n", limit_str);
1135                 config->timelimit = config->play_warning = config->warning_freq = 0;
1136                 config->warning_sound = NULL;
1137                 return -1; /* error */
1138         } else if ( (delta = config->play_warning - config->timelimit) > 0) {
1139                 int w = config->warning_freq;
1140
1141                 /* If the first warning is requested _after_ the entire call would end,
1142                    and no warning frequency is requested, then turn off the warning. If
1143                    a warning frequency is requested, reduce the 'first warning' time by
1144                    that frequency until it falls within the call's total time limit.
1145                    Graphically:
1146                                   timelim->|    delta        |<-playwarning
1147                         0__________________|_________________|
1148                                          | w  |    |    |    |
1149
1150                    so the number of intervals to cut is 1+(delta-1)/w
1151                 */
1152
1153                 if (w == 0) {
1154                         config->play_warning = 0;
1155                 } else {
1156                         config->play_warning -= w * ( 1 + (delta-1)/w );
1157                         if (config->play_warning < 1)
1158                                 config->play_warning = config->warning_freq = 0;
1159                 }
1160         }
1161         
1162         ast_channel_lock(chan);
1163
1164         var = pbx_builtin_getvar_helper(chan, "LIMIT_PLAYAUDIO_CALLER");
1165
1166         play_to_caller = var ? ast_true(var) : 1;
1167
1168         var = pbx_builtin_getvar_helper(chan, "LIMIT_PLAYAUDIO_CALLEE");
1169         play_to_callee = var ? ast_true(var) : 0;
1170
1171         if (!play_to_caller && !play_to_callee)
1172                 play_to_caller = 1;
1173
1174         var = pbx_builtin_getvar_helper(chan, "LIMIT_WARNING_FILE");
1175         config->warning_sound = !ast_strlen_zero(var) ? ast_strdup(var) : ast_strdup("timeleft");
1176
1177         /* The code looking at config wants a NULL, not just "", to decide
1178          * that the message should not be played, so we replace "" with NULL.
1179          * Note, pbx_builtin_getvar_helper _can_ return NULL if the variable is
1180          * not found.
1181          */
1182
1183         var = pbx_builtin_getvar_helper(chan, "LIMIT_TIMEOUT_FILE");
1184         config->end_sound = !ast_strlen_zero(var) ? ast_strdup(var) : NULL;
1185
1186         var = pbx_builtin_getvar_helper(chan, "LIMIT_CONNECT_FILE");
1187         config->start_sound = !ast_strlen_zero(var) ? ast_strdup(var) : NULL;
1188
1189         ast_channel_unlock(chan);
1190
1191         /* undo effect of S(x) in case they are both used */
1192         calldurationlimit->tv_sec = 0;
1193         calldurationlimit->tv_usec = 0;
1194
1195         /* more efficient to do it like S(x) does since no advanced opts */
1196         if (!config->play_warning && !config->start_sound && !config->end_sound && config->timelimit) {
1197                 calldurationlimit->tv_sec = config->timelimit / 1000;
1198                 calldurationlimit->tv_usec = (config->timelimit % 1000) * 1000;
1199                 ast_verb(3, "Setting call duration limit to %.3lf seconds.\n",
1200                         calldurationlimit->tv_sec + calldurationlimit->tv_usec / 1000000.0);
1201                 config->timelimit = play_to_caller = play_to_callee =
1202                 config->play_warning = config->warning_freq = 0;
1203         } else {
1204                 ast_verb(3, "Limit Data for this call:\n");
1205                 ast_verb(4, "timelimit      = %ld\n", config->timelimit);
1206                 ast_verb(4, "play_warning   = %ld\n", config->play_warning);
1207                 ast_verb(4, "play_to_caller = %s\n", play_to_caller ? "yes" : "no");
1208                 ast_verb(4, "play_to_callee = %s\n", play_to_callee ? "yes" : "no");
1209                 ast_verb(4, "warning_freq   = %ld\n", config->warning_freq);
1210                 ast_verb(4, "start_sound    = %s\n", S_OR(config->start_sound, ""));
1211                 ast_verb(4, "warning_sound  = %s\n", config->warning_sound);
1212                 ast_verb(4, "end_sound      = %s\n", S_OR(config->end_sound, ""));
1213         }
1214         if (play_to_caller)
1215                 ast_set_flag(&(config->features_caller), AST_FEATURE_PLAY_WARNING);
1216         if (play_to_callee)
1217                 ast_set_flag(&(config->features_callee), AST_FEATURE_PLAY_WARNING);
1218         return 0;
1219 }
1220
1221 static int do_privacy(struct ast_channel *chan, struct ast_channel *peer,
1222         struct ast_flags64 *opts, char **opt_args, struct privacy_args *pa)
1223 {
1224
1225         int res2;
1226         int loopcount = 0;
1227
1228         /* Get the user's intro, store it in priv-callerintros/$CID,
1229            unless it is already there-- this should be done before the
1230            call is actually dialed  */
1231
1232         /* all ring indications and moh for the caller has been halted as soon as the
1233            target extension was picked up. We are going to have to kill some
1234            time and make the caller believe the peer hasn't picked up yet */
1235
1236         if (ast_test_flag64(opts, OPT_MUSICBACK) && !ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
1237                 char *original_moh = ast_strdupa(chan->musicclass);
1238                 ast_indicate(chan, -1);
1239                 ast_string_field_set(chan, musicclass, opt_args[OPT_ARG_MUSICBACK]);
1240                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1241                 ast_string_field_set(chan, musicclass, original_moh);
1242         } else if (ast_test_flag64(opts, OPT_RINGBACK)) {
1243                 ast_indicate(chan, AST_CONTROL_RINGING);
1244                 pa->sentringing++;
1245         }
1246
1247         /* Start autoservice on the other chan ?? */
1248         res2 = ast_autoservice_start(chan);
1249         /* Now Stream the File */
1250         for (loopcount = 0; loopcount < 3; loopcount++) {
1251                 if (res2 && loopcount == 0) /* error in ast_autoservice_start() */
1252                         break;
1253                 if (!res2) /* on timeout, play the message again */
1254                         res2 = ast_play_and_wait(peer, "priv-callpending");
1255                 if (!valid_priv_reply(opts, res2))
1256                         res2 = 0;
1257                 /* priv-callpending script:
1258                    "I have a caller waiting, who introduces themselves as:"
1259                 */
1260                 if (!res2)
1261                         res2 = ast_play_and_wait(peer, pa->privintro);
1262                 if (!valid_priv_reply(opts, res2))
1263                         res2 = 0;
1264                 /* now get input from the called party, as to their choice */
1265                 if (!res2) {
1266                         /* XXX can we have both, or they are mutually exclusive ? */
1267                         if (ast_test_flag64(opts, OPT_PRIVACY))
1268                                 res2 = ast_play_and_wait(peer, "priv-callee-options");
1269                         if (ast_test_flag64(opts, OPT_SCREENING))
1270                                 res2 = ast_play_and_wait(peer, "screen-callee-options");
1271                 }
1272                 /*! \page DialPrivacy Dial Privacy scripts
1273                 \par priv-callee-options script:
1274                         "Dial 1 if you wish this caller to reach you directly in the future,
1275                                 and immediately connect to their incoming call
1276                          Dial 2 if you wish to send this caller to voicemail now and
1277                                 forevermore.
1278                          Dial 3 to send this caller to the torture menus, now and forevermore.
1279                          Dial 4 to send this caller to a simple "go away" menu, now and forevermore.
1280                          Dial 5 to allow this caller to come straight thru to you in the future,
1281                                 but right now, just this once, send them to voicemail."
1282                 \par screen-callee-options script:
1283                         "Dial 1 if you wish to immediately connect to the incoming call
1284                          Dial 2 if you wish to send this caller to voicemail.
1285                          Dial 3 to send this caller to the torture menus.
1286                          Dial 4 to send this caller to a simple "go away" menu.
1287                 */
1288                 if (valid_priv_reply(opts, res2))
1289                         break;
1290                 /* invalid option */
1291                 res2 = ast_play_and_wait(peer, "vm-sorry");
1292         }
1293
1294         if (ast_test_flag64(opts, OPT_MUSICBACK)) {
1295                 ast_moh_stop(chan);
1296         } else if (ast_test_flag64(opts, OPT_RINGBACK)) {
1297                 ast_indicate(chan, -1);
1298                 pa->sentringing = 0;
1299         }
1300         ast_autoservice_stop(chan);
1301         if (ast_test_flag64(opts, OPT_PRIVACY) && (res2 >= '1' && res2 <= '5')) {
1302                 /* map keypresses to various things, the index is res2 - '1' */
1303                 static const char *_val[] = { "ALLOW", "DENY", "TORTURE", "KILL", "ALLOW" };
1304                 static const int _flag[] = { AST_PRIVACY_ALLOW, AST_PRIVACY_DENY, AST_PRIVACY_TORTURE, AST_PRIVACY_KILL, AST_PRIVACY_ALLOW};
1305                 int i = res2 - '1';
1306                 ast_verb(3, "--Set privacy database entry %s/%s to %s\n",
1307                         opt_args[OPT_ARG_PRIVACY], pa->privcid, _val[i]);
1308                 ast_privacy_set(opt_args[OPT_ARG_PRIVACY], pa->privcid, _flag[i]);
1309         }
1310         switch (res2) {
1311         case '1':
1312                 break;
1313         case '2':
1314                 ast_copy_string(pa->status, "NOANSWER", sizeof(pa->status));
1315                 break;
1316         case '3':
1317                 ast_copy_string(pa->status, "TORTURE", sizeof(pa->status));
1318                 break;
1319         case '4':
1320                 ast_copy_string(pa->status, "DONTCALL", sizeof(pa->status));
1321                 break;
1322         case '5':
1323                 /* XXX should we set status to DENY ? */
1324                 if (ast_test_flag64(opts, OPT_PRIVACY))
1325                         break;
1326                 /* if not privacy, then 5 is the same as "default" case */
1327         default: /* bad input or -1 if failure to start autoservice */
1328                 /* well, if the user messes up, ... he had his chance... What Is The Best Thing To Do?  */
1329                 /* well, there seems basically two choices. Just patch the caller thru immediately,
1330                           or,... put 'em thru to voicemail. */
1331                 /* since the callee may have hung up, let's do the voicemail thing, no database decision */
1332                 ast_log(LOG_NOTICE, "privacy: no valid response from the callee. Sending the caller to voicemail, the callee isn't responding\n");
1333                 /* XXX should we set status to DENY ? */
1334                 /* XXX what about the privacy flags ? */
1335                 break;
1336         }
1337
1338         if (res2 == '1') { /* the only case where we actually connect */
1339                 /* if the intro is NOCALLERID, then there's no reason to leave it on disk, it'll
1340                    just clog things up, and it's not useful information, not being tied to a CID */
1341                 if (strncmp(pa->privcid, "NOCALLERID", 10) == 0 || ast_test_flag64(opts, OPT_SCREEN_NOINTRO)) {
1342                         ast_filedelete(pa->privintro, NULL);
1343                         if (ast_fileexists(pa->privintro, NULL, NULL) > 0)
1344                                 ast_log(LOG_NOTICE, "privacy: ast_filedelete didn't do its job on %s\n", pa->privintro);
1345                         else
1346                                 ast_verb(3, "Successfully deleted %s intro file\n", pa->privintro);
1347                 }
1348                 return 0; /* the good exit path */
1349         } else {
1350                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1351                 return -1;
1352         }
1353 }
1354
1355 /*! \brief returns 1 if successful, 0 or <0 if the caller should 'goto out' */
1356 static int setup_privacy_args(struct privacy_args *pa,
1357         struct ast_flags64 *opts, char *opt_args[], struct ast_channel *chan)
1358 {
1359         char callerid[60];
1360         int res;
1361         char *l;
1362         int silencethreshold;
1363
1364         if (!ast_strlen_zero(chan->cid.cid_num)) {
1365                 l = ast_strdupa(chan->cid.cid_num);
1366                 ast_shrink_phone_number(l);
1367                 if (ast_test_flag64(opts, OPT_PRIVACY) ) {
1368                         ast_verb(3, "Privacy DB is '%s', clid is '%s'\n", opt_args[OPT_ARG_PRIVACY], l);
1369                         pa->privdb_val = ast_privacy_check(opt_args[OPT_ARG_PRIVACY], l);
1370                 } else {
1371                         ast_verb(3, "Privacy Screening, clid is '%s'\n", l);
1372                         pa->privdb_val = AST_PRIVACY_UNKNOWN;
1373                 }
1374         } else {
1375                 char *tnam, *tn2;
1376
1377                 tnam = ast_strdupa(chan->name);
1378                 /* clean the channel name so slashes don't try to end up in disk file name */
1379                 for (tn2 = tnam; *tn2; tn2++) {
1380                         if (*tn2 == '/')  /* any other chars to be afraid of? */
1381                                 *tn2 = '=';
1382                 }
1383                 ast_verb(3, "Privacy-- callerid is empty\n");
1384
1385                 snprintf(callerid, sizeof(callerid), "NOCALLERID_%s%s", chan->exten, tnam);
1386                 l = callerid;
1387                 pa->privdb_val = AST_PRIVACY_UNKNOWN;
1388         }
1389
1390         ast_copy_string(pa->privcid, l, sizeof(pa->privcid));
1391
1392         if (strncmp(pa->privcid, "NOCALLERID", 10) != 0 && ast_test_flag64(opts, OPT_SCREEN_NOCLID)) {
1393                 /* if callerid is set and OPT_SCREEN_NOCLID is set also */
1394                 ast_verb(3, "CallerID set (%s); N option set; Screening should be off\n", pa->privcid);
1395                 pa->privdb_val = AST_PRIVACY_ALLOW;
1396         } else if (ast_test_flag64(opts, OPT_SCREEN_NOCLID) && strncmp(pa->privcid, "NOCALLERID", 10) == 0) {
1397                 ast_verb(3, "CallerID blank; N option set; Screening should happen; dbval is %d\n", pa->privdb_val);
1398         }
1399         
1400         if (pa->privdb_val == AST_PRIVACY_DENY) {
1401                 ast_verb(3, "Privacy DB reports PRIVACY_DENY for this callerid. Dial reports unavailable\n");
1402                 ast_copy_string(pa->status, "NOANSWER", sizeof(pa->status));
1403                 return 0;
1404         } else if (pa->privdb_val == AST_PRIVACY_KILL) {
1405                 ast_copy_string(pa->status, "DONTCALL", sizeof(pa->status));
1406                 return 0; /* Is this right? */
1407         } else if (pa->privdb_val == AST_PRIVACY_TORTURE) {
1408                 ast_copy_string(pa->status, "TORTURE", sizeof(pa->status));
1409                 return 0; /* is this right??? */
1410         } else if (pa->privdb_val == AST_PRIVACY_UNKNOWN) {
1411                 /* Get the user's intro, store it in priv-callerintros/$CID,
1412                    unless it is already there-- this should be done before the
1413                    call is actually dialed  */
1414
1415                 /* make sure the priv-callerintros dir actually exists */
1416                 snprintf(pa->privintro, sizeof(pa->privintro), "%s/sounds/priv-callerintros", ast_config_AST_DATA_DIR);
1417                 if ((res = ast_mkdir(pa->privintro, 0755))) {
1418                         ast_log(LOG_WARNING, "privacy: can't create directory priv-callerintros: %s\n", strerror(res));
1419                         return -1;
1420                 }
1421
1422                 snprintf(pa->privintro, sizeof(pa->privintro), "priv-callerintros/%s", pa->privcid);
1423                 if (ast_fileexists(pa->privintro, NULL, NULL ) > 0 && strncmp(pa->privcid, "NOCALLERID", 10) != 0) {
1424                         /* the DELUX version of this code would allow this caller the
1425                            option to hear and retape their previously recorded intro.
1426                         */
1427                 } else {
1428                         int duration; /* for feedback from play_and_wait */
1429                         /* the file doesn't exist yet. Let the caller submit his
1430                            vocal intro for posterity */
1431                         /* priv-recordintro script:
1432
1433                            "At the tone, please say your name:"
1434
1435                         */
1436                         silencethreshold = ast_dsp_get_threshold_from_settings(THRESHOLD_SILENCE);
1437                         ast_answer(chan);
1438                         res = ast_play_and_record(chan, "priv-recordintro", pa->privintro, 4, "gsm", &duration, silencethreshold, 2000, 0);  /* NOTE: I've reduced the total time to 4 sec */
1439                                                                         /* don't think we'll need a lock removed, we took care of
1440                                                                            conflicts by naming the pa.privintro file */
1441                         if (res == -1) {
1442                                 /* Delete the file regardless since they hung up during recording */
1443                                 ast_filedelete(pa->privintro, NULL);
1444                                 if (ast_fileexists(pa->privintro, NULL, NULL) > 0)
1445                                         ast_log(LOG_NOTICE, "privacy: ast_filedelete didn't do its job on %s\n", pa->privintro);
1446                                 else
1447                                         ast_verb(3, "Successfully deleted %s intro file\n", pa->privintro);
1448                                 return -1;
1449                         }
1450                         if (!ast_streamfile(chan, "vm-dialout", chan->language) )
1451                                 ast_waitstream(chan, "");
1452                 }
1453         }
1454         return 1; /* success */
1455 }
1456
1457 static void set_dial_features(struct ast_flags64 *opts, struct ast_dial_features *features)
1458 {
1459         struct ast_flags64 perm_opts = {.flags = 0};
1460
1461         ast_copy_flags64(&perm_opts, opts,
1462                 OPT_CALLER_TRANSFER | OPT_CALLER_PARK | OPT_CALLER_MONITOR | OPT_CALLER_MIXMONITOR | OPT_CALLER_HANGUP |
1463                 OPT_CALLEE_TRANSFER | OPT_CALLEE_PARK | OPT_CALLEE_MONITOR | OPT_CALLEE_MIXMONITOR | OPT_CALLEE_HANGUP);
1464
1465         memset(features->options, 0, sizeof(features->options));
1466
1467         ast_app_options2str64(dial_exec_options, &perm_opts, features->options, sizeof(features->options));
1468 }
1469
1470 static void end_bridge_callback(void *data)
1471 {
1472         char buf[80];
1473         time_t end;
1474         struct ast_channel *chan = data;
1475
1476         if (!chan->cdr) {
1477                 return;
1478         }
1479
1480         time(&end);
1481
1482         ast_channel_lock(chan);
1483         if (chan->cdr->answer.tv_sec) {
1484                 snprintf(buf, sizeof(buf), "%ld", end - chan->cdr->answer.tv_sec);
1485                 pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", buf);
1486         }
1487
1488         if (chan->cdr->start.tv_sec) {
1489                 snprintf(buf, sizeof(buf), "%ld", end - chan->cdr->start.tv_sec);
1490                 pbx_builtin_setvar_helper(chan, "DIALEDTIME", buf);
1491         }
1492         ast_channel_unlock(chan);
1493 }
1494
1495 static void end_bridge_callback_data_fixup(struct ast_bridge_config *bconfig, struct ast_channel *originator, struct ast_channel *terminator) {
1496         bconfig->end_bridge_callback_data = originator;
1497 }
1498
1499 static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags64 *peerflags, int *continue_exec)
1500 {
1501         int res = -1; /* default: error */
1502         char *rest, *cur; /* scan the list of destinations */
1503         struct chanlist *outgoing = NULL; /* list of destinations */
1504         struct ast_channel *peer;
1505         int to; /* timeout */
1506         struct cause_args num = { chan, 0, 0, 0 };
1507         int cause;
1508         char numsubst[256];
1509         char cidname[AST_MAX_EXTENSION] = "";
1510
1511         struct ast_bridge_config config = { { 0, } };
1512         struct timeval calldurationlimit = { 0, };
1513         char *dtmfcalled = NULL, *dtmfcalling = NULL;
1514         struct privacy_args pa = {
1515                 .sentringing = 0,
1516                 .privdb_val = 0,
1517                 .status = "INVALIDARGS",
1518         };
1519         int sentringing = 0, moh = 0;
1520         const char *outbound_group = NULL;
1521         int result = 0;
1522         char *parse;
1523         int opermode = 0;
1524         AST_DECLARE_APP_ARGS(args,
1525                 AST_APP_ARG(peers);
1526                 AST_APP_ARG(timeout);
1527                 AST_APP_ARG(options);
1528                 AST_APP_ARG(url);
1529         );
1530         struct ast_flags64 opts = { 0, };
1531         char *opt_args[OPT_ARG_ARRAY_SIZE];
1532         struct ast_datastore *datastore = NULL;
1533         struct ast_datastore *ds_caller_features = NULL;
1534         struct ast_datastore *ds_callee_features = NULL;
1535         struct ast_dial_features *caller_features;
1536         int fulldial = 0, num_dialed = 0;
1537
1538         /* Reset all DIAL variables back to blank, to prevent confusion (in case we don't reset all of them). */
1539         pbx_builtin_setvar_helper(chan, "DIALSTATUS", "");
1540         pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", "");
1541         pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", "");
1542         pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", "");
1543         pbx_builtin_setvar_helper(chan, "DIALEDTIME", "");
1544
1545         if (ast_strlen_zero(data)) {
1546                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
1547                 pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1548                 return -1;
1549         }
1550
1551         parse = ast_strdupa(data);
1552
1553         AST_STANDARD_APP_ARGS(args, parse);
1554
1555         if (!ast_strlen_zero(args.options) &&
1556                 ast_app_parse_options64(dial_exec_options, &opts, opt_args, args.options)) {
1557                 pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1558                 goto done;
1559         }
1560
1561         if (ast_strlen_zero(args.peers)) {
1562                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
1563                 pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1564                 goto done;
1565         }
1566
1567         if (ast_test_flag64(&opts, OPT_OPERMODE)) {
1568                 opermode = ast_strlen_zero(opt_args[OPT_ARG_OPERMODE]) ? 1 : atoi(opt_args[OPT_ARG_OPERMODE]);
1569                 ast_verb(3, "Setting operator services mode to %d.\n", opermode);
1570         }
1571         
1572         if (ast_test_flag64(&opts, OPT_DURATION_STOP) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_STOP])) {
1573                 calldurationlimit.tv_sec = atoi(opt_args[OPT_ARG_DURATION_STOP]);
1574                 if (!calldurationlimit.tv_sec) {
1575                         ast_log(LOG_WARNING, "Dial does not accept S(%s), hanging up.\n", opt_args[OPT_ARG_DURATION_STOP]);
1576                         pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1577                         goto done;
1578                 }
1579                 ast_verb(3, "Setting call duration limit to %.3lf seconds.\n", calldurationlimit.tv_sec + calldurationlimit.tv_usec / 1000000.0);
1580         }
1581
1582         if (ast_test_flag64(&opts, OPT_SENDDTMF) && !ast_strlen_zero(opt_args[OPT_ARG_SENDDTMF])) {
1583                 dtmfcalling = opt_args[OPT_ARG_SENDDTMF];
1584                 dtmfcalled = strsep(&dtmfcalling, ":");
1585         }
1586
1587         if (ast_test_flag64(&opts, OPT_DURATION_LIMIT) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_LIMIT])) {
1588                 if (do_timelimit(chan, &config, opt_args[OPT_ARG_DURATION_LIMIT], &calldurationlimit))
1589                         goto done;
1590         }
1591
1592         if (ast_test_flag64(&opts, OPT_RESETCDR) && chan->cdr)
1593                 ast_cdr_reset(chan->cdr, NULL);
1594         if (ast_test_flag64(&opts, OPT_PRIVACY) && ast_strlen_zero(opt_args[OPT_ARG_PRIVACY]))
1595                 opt_args[OPT_ARG_PRIVACY] = ast_strdupa(chan->exten);
1596
1597         if (ast_test_flag64(&opts, OPT_PRIVACY) || ast_test_flag64(&opts, OPT_SCREENING)) {
1598                 res = setup_privacy_args(&pa, &opts, opt_args, chan);
1599                 if (res <= 0)
1600                         goto out;
1601                 res = -1; /* reset default */
1602         }
1603
1604         if (continue_exec)
1605                 *continue_exec = 0;
1606
1607         /* If a channel group has been specified, get it for use when we create peer channels */
1608
1609         ast_channel_lock(chan);
1610         if ((outbound_group = pbx_builtin_getvar_helper(chan, "OUTBOUND_GROUP_ONCE"))) {
1611                 outbound_group = ast_strdupa(outbound_group);   
1612                 pbx_builtin_setvar_helper(chan, "OUTBOUND_GROUP_ONCE", NULL);
1613         } else if ((outbound_group = pbx_builtin_getvar_helper(chan, "OUTBOUND_GROUP"))) {
1614                 outbound_group = ast_strdupa(outbound_group);
1615         }
1616         ast_channel_unlock(chan);       
1617         ast_copy_flags64(peerflags, &opts, OPT_DTMF_EXIT | OPT_GO_ON | OPT_ORIGINAL_CLID | OPT_CALLER_HANGUP | OPT_IGNORE_FORWARDING);
1618
1619         /* Create datastore for channel dial features for caller */
1620         if (!(ds_caller_features = ast_datastore_alloc(&dial_features_info, NULL))) {
1621                 ast_log(LOG_WARNING, "Unable to create channel datastore for dial features. Aborting!\n");
1622                 goto out;
1623         }
1624
1625         if (!(caller_features = ast_malloc(sizeof(*caller_features)))) {
1626                 ast_log(LOG_WARNING, "Unable to allocate memory for feature flags. Aborting!\n");
1627                 goto out;
1628         }
1629
1630         ast_copy_flags(&(caller_features->features_callee), &(config.features_caller), AST_FLAGS_ALL);
1631         caller_features->is_caller = 1;
1632         set_dial_features(&opts, caller_features);
1633
1634         ds_caller_features->inheritance = DATASTORE_INHERIT_FOREVER;
1635         ds_caller_features->data = caller_features;
1636
1637         ast_channel_lock(chan);
1638         ast_channel_datastore_add(chan, ds_caller_features);
1639         ast_channel_unlock(chan);
1640
1641         /* loop through the list of dial destinations */
1642         rest = args.peers;
1643         while ((cur = strsep(&rest, "&")) ) {
1644                 struct chanlist *tmp;
1645                 struct ast_channel *tc; /* channel for this destination */
1646                 /* Get a technology/[device:]number pair */
1647                 char *number = cur;
1648                 char *interface = ast_strdupa(number);
1649                 char *tech = strsep(&number, "/");
1650                 /* find if we already dialed this interface */
1651                 struct ast_dialed_interface *di;
1652                 struct ast_dial_features *callee_features;
1653                 AST_LIST_HEAD(, ast_dialed_interface) *dialed_interfaces;
1654                 num_dialed++;
1655                 if (!number) {
1656                         ast_log(LOG_WARNING, "Dial argument takes format (technology/[device:]number1)\n");
1657                         goto out;
1658                 }
1659                 if (!(tmp = ast_calloc(1, sizeof(*tmp))))
1660                         goto out;
1661                 if (opts.flags) {
1662                         ast_copy_flags64(tmp, &opts,
1663                                 OPT_CANCEL_ELSEWHERE |
1664                                 OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
1665                                 OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
1666                                 OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
1667                                 OPT_CALLEE_PARK | OPT_CALLER_PARK |
1668                                 OPT_CALLEE_MIXMONITOR | OPT_CALLER_MIXMONITOR |
1669                                 OPT_RINGBACK | OPT_MUSICBACK | OPT_FORCECLID);
1670                         ast_set2_flag64(tmp, args.url, DIAL_NOFORWARDHTML);
1671                 }
1672                 ast_copy_string(numsubst, number, sizeof(numsubst));
1673                 /* Request the peer */
1674
1675                 ast_channel_lock(chan);
1676                 datastore = ast_channel_datastore_find(chan, &dialed_interface_info, NULL);
1677                 ast_channel_unlock(chan);
1678
1679                 if (datastore)
1680                         dialed_interfaces = datastore->data;
1681                 else {
1682                         if (!(datastore = ast_datastore_alloc(&dialed_interface_info, NULL))) {
1683                                 ast_log(LOG_WARNING, "Unable to create channel datastore for dialed interfaces. Aborting!\n");
1684                                 ast_free(tmp);
1685                                 goto out;
1686                         }
1687
1688                         datastore->inheritance = DATASTORE_INHERIT_FOREVER;
1689
1690                         if (!(dialed_interfaces = ast_calloc(1, sizeof(*dialed_interfaces)))) {
1691                                 ast_free(tmp);
1692                                 goto out;
1693                         }
1694
1695                         datastore->data = dialed_interfaces;
1696                         AST_LIST_HEAD_INIT(dialed_interfaces);
1697
1698                         ast_channel_lock(chan);
1699                         ast_channel_datastore_add(chan, datastore);
1700                         ast_channel_unlock(chan);
1701                 }
1702
1703                 AST_LIST_LOCK(dialed_interfaces);
1704                 AST_LIST_TRAVERSE(dialed_interfaces, di, list) {
1705                         if (!strcasecmp(di->interface, interface)) {
1706                                 ast_log(LOG_WARNING, "Skipping dialing interface '%s' again since it has already been dialed\n",
1707                                         di->interface);
1708                                 break;
1709                         }
1710                 }
1711                 AST_LIST_UNLOCK(dialed_interfaces);
1712
1713                 if (di) {
1714                         fulldial++;
1715                         ast_free(tmp);
1716                         continue;
1717                 }
1718
1719                 /* It is always ok to dial a Local interface.  We only keep track of
1720                  * which "real" interfaces have been dialed.  The Local channel will
1721                  * inherit this list so that if it ends up dialing a real interface,
1722                  * it won't call one that has already been called. */
1723                 if (strcasecmp(tech, "Local")) {
1724                         if (!(di = ast_calloc(1, sizeof(*di) + strlen(interface)))) {
1725                                 AST_LIST_UNLOCK(dialed_interfaces);
1726                                 ast_free(tmp);
1727                                 goto out;
1728                         }
1729                         strcpy(di->interface, interface);
1730
1731                         AST_LIST_LOCK(dialed_interfaces);
1732                         AST_LIST_INSERT_TAIL(dialed_interfaces, di, list);
1733                         AST_LIST_UNLOCK(dialed_interfaces);
1734                 }
1735
1736                 tc = ast_request(tech, chan->nativeformats, numsubst, &cause);
1737                 if (!tc) {
1738                         /* If we can't, just go on to the next call */
1739                         ast_log(LOG_WARNING, "Unable to create channel of type '%s' (cause %d - %s)\n",
1740                                 tech, cause, ast_cause2str(cause));
1741                         handle_cause(cause, &num);
1742                         if (!rest) /* we are on the last destination */
1743                                 chan->hangupcause = cause;
1744                         ast_free(tmp);
1745                         continue;
1746                 }
1747                 pbx_builtin_setvar_helper(tc, "DIALEDPEERNUMBER", numsubst);
1748
1749                 /* Setup outgoing SDP to match incoming one */
1750                 ast_rtp_make_compatible(tc, chan, !outgoing && !rest);
1751                 
1752                 /* Inherit specially named variables from parent channel */
1753                 ast_channel_inherit_variables(chan, tc);
1754                 ast_channel_datastore_inherit(chan, tc);
1755
1756                 tc->appl = "AppDial";
1757                 tc->data = "(Outgoing Line)";
1758                 memset(&tc->whentohangup, 0, sizeof(tc->whentohangup));
1759
1760                 S_REPLACE(tc->cid.cid_num, ast_strdup(chan->cid.cid_num));
1761                 S_REPLACE(tc->cid.cid_name, ast_strdup(chan->cid.cid_name));
1762                 S_REPLACE(tc->cid.cid_ani, ast_strdup(chan->cid.cid_ani));
1763                 S_REPLACE(tc->cid.cid_rdnis, ast_strdup(chan->cid.cid_rdnis));
1764                 
1765                 ast_string_field_set(tc, accountcode, chan->accountcode);
1766                 tc->cdrflags = chan->cdrflags;
1767                 if (ast_strlen_zero(tc->musicclass))
1768                         ast_string_field_set(tc, musicclass, chan->musicclass);
1769                 /* Pass callingpres, type of number, tns, ADSI CPE, transfer capability */
1770                 tc->cid.cid_pres = chan->cid.cid_pres;
1771                 tc->cid.cid_ton = chan->cid.cid_ton;
1772                 tc->cid.cid_tns = chan->cid.cid_tns;
1773                 tc->cid.cid_ani2 = chan->cid.cid_ani2;
1774                 tc->adsicpe = chan->adsicpe;
1775                 tc->transfercapability = chan->transfercapability;
1776
1777                 /* If we have an outbound group, set this peer channel to it */
1778                 if (outbound_group)
1779                         ast_app_group_set_channel(tc, outbound_group);
1780
1781                 /* Inherit context and extension */
1782                 ast_string_field_set(tc, dialcontext, ast_strlen_zero(chan->macrocontext) ? chan->context : chan->macrocontext);
1783                 if (!ast_strlen_zero(chan->macroexten))
1784                         ast_copy_string(tc->exten, chan->macroexten, sizeof(tc->exten));
1785                 else
1786                         ast_copy_string(tc->exten, chan->exten, sizeof(tc->exten));
1787
1788                 /* Save callee features */
1789                 if (!(ds_callee_features = ast_datastore_alloc(&dial_features_info, NULL))) {
1790                         ast_log(LOG_WARNING, "Unable to create channel datastore for dial features. Aborting!\n");
1791                         ast_free(tmp);
1792                         goto out;
1793                 }
1794
1795                 if (!(callee_features = ast_malloc(sizeof(*callee_features)))) {
1796                         ast_log(LOG_WARNING, "Unable to allocate memory for feature flags. Aborting!\n");
1797                         ast_free(tmp);
1798                         goto out;
1799                 }
1800
1801                 ast_copy_flags(&(callee_features->features_callee), &(config.features_callee), AST_FLAGS_ALL);
1802                 callee_features->is_caller = 0;
1803                 set_dial_features(&opts, callee_features);
1804
1805                 ds_callee_features->inheritance = DATASTORE_INHERIT_FOREVER;
1806                 ds_callee_features->data = callee_features;
1807
1808                 ast_channel_lock(chan);
1809                 ast_channel_datastore_add(tc, ds_callee_features);
1810                 ast_channel_unlock(chan);
1811
1812                 res = ast_call(tc, numsubst, 0); /* Place the call, but don't wait on the answer */
1813
1814                 /* Save the info in cdr's that we called them */
1815                 if (chan->cdr)
1816                         ast_cdr_setdestchan(chan->cdr, tc->name);
1817
1818                 /* check the results of ast_call */
1819                 if (res) {
1820                         /* Again, keep going even if there's an error */
1821                         ast_debug(1, "ast call on peer returned %d\n", res);
1822                         ast_verb(3, "Couldn't call %s\n", numsubst);
1823                         if (tc->hangupcause) {
1824                                 chan->hangupcause = tc->hangupcause;
1825                         }
1826                         ast_hangup(tc);
1827                         tc = NULL;
1828                         ast_free(tmp);
1829                         continue;
1830                 } else {
1831                         senddialevent(chan, tc, numsubst);
1832                         ast_verb(3, "Called %s\n", numsubst);
1833                         if (!ast_test_flag64(peerflags, OPT_ORIGINAL_CLID))
1834                                 ast_set_callerid(tc, S_OR(chan->macroexten, chan->exten), get_cid_name(cidname, sizeof(cidname), chan), NULL);
1835                 }
1836                 /* Put them in the list of outgoing thingies...  We're ready now.
1837                    XXX If we're forcibly removed, these outgoing calls won't get
1838                    hung up XXX */
1839                 ast_set_flag64(tmp, DIAL_STILLGOING);
1840                 tmp->chan = tc;
1841                 tmp->next = outgoing;
1842                 outgoing = tmp;
1843                 /* If this line is up, don't try anybody else */
1844                 if (outgoing->chan->_state == AST_STATE_UP)
1845                         break;
1846         }
1847         
1848         if (ast_strlen_zero(args.timeout)) {
1849                 to = -1;
1850         } else {
1851                 to = atoi(args.timeout);
1852                 if (to > 0)
1853                         to *= 1000;
1854                 else {
1855                         ast_log(LOG_WARNING, "Invalid timeout specified: '%s'. Setting timeout to infinite\n", args.timeout);
1856                         to = -1;
1857                 }
1858         }
1859
1860         if (!outgoing) {
1861                 strcpy(pa.status, "CHANUNAVAIL");
1862                 if (fulldial == num_dialed) {
1863                         res = -1;
1864                         goto out;
1865                 }
1866         } else {
1867                 /* Our status will at least be NOANSWER */
1868                 strcpy(pa.status, "NOANSWER");
1869                 if (ast_test_flag64(outgoing, OPT_MUSICBACK)) {
1870                         moh = 1;
1871                         if (!ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
1872                                 char *original_moh = ast_strdupa(chan->musicclass);
1873                                 ast_string_field_set(chan, musicclass, opt_args[OPT_ARG_MUSICBACK]);
1874                                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1875                                 ast_string_field_set(chan, musicclass, original_moh);
1876                         } else {
1877                                 ast_moh_start(chan, NULL, NULL);
1878                         }
1879                         ast_indicate(chan, AST_CONTROL_PROGRESS);
1880                 } else if (ast_test_flag64(outgoing, OPT_RINGBACK)) {
1881                         ast_indicate(chan, AST_CONTROL_RINGING);
1882                         sentringing++;
1883                 }
1884         }
1885
1886         peer = wait_for_answer(chan, outgoing, &to, peerflags, &pa, &num, &result);
1887
1888         /* The ast_channel_datastore_remove() function could fail here if the
1889          * datastore was moved to another channel during a masquerade. If this is
1890          * the case, don't free the datastore here because later, when the channel
1891          * to which the datastore was moved hangs up, it will attempt to free this
1892          * datastore again, causing a crash
1893          */
1894         if (!ast_channel_datastore_remove(chan, datastore))
1895                 ast_datastore_free(datastore);
1896         if (!peer) {
1897                 if (result) {
1898                         res = result;
1899                 } else if (to) { /* Musta gotten hung up */
1900                         res = -1;
1901                 } else { /* Nobody answered, next please? */
1902                         res = 0;
1903                 }
1904
1905                 /* SIP, in particular, sends back this error code to indicate an
1906                  * overlap dialled number needs more digits. */
1907                 if (chan->hangupcause == AST_CAUSE_INVALID_NUMBER_FORMAT) {
1908                         res = AST_PBX_INCOMPLETE;
1909                 }
1910
1911                 /* almost done, although the 'else' block is 400 lines */
1912         } else {
1913                 const char *number;
1914
1915                 strcpy(pa.status, "ANSWER");
1916                 pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1917                 /* Ah ha!  Someone answered within the desired timeframe.  Of course after this
1918                    we will always return with -1 so that it is hung up properly after the
1919                    conversation.  */
1920                 hanguptree(outgoing, peer, 1);
1921                 outgoing = NULL;
1922                 /* If appropriate, log that we have a destination channel */
1923                 if (chan->cdr)
1924                         ast_cdr_setdestchan(chan->cdr, peer->name);
1925                 if (peer->name)
1926                         pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", peer->name);
1927                 
1928                 ast_channel_lock(peer);
1929                 number = pbx_builtin_getvar_helper(peer, "DIALEDPEERNUMBER"); 
1930                 if (!number)
1931                         number = numsubst;
1932                 pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", number);
1933                 ast_channel_unlock(peer);
1934
1935                 if (!ast_strlen_zero(args.url) && ast_channel_supports_html(peer) ) {
1936                         ast_debug(1, "app_dial: sendurl=%s.\n", args.url);
1937                         ast_channel_sendurl( peer, args.url );
1938                 }
1939                 if ( (ast_test_flag64(&opts, OPT_PRIVACY) || ast_test_flag64(&opts, OPT_SCREENING)) && pa.privdb_val == AST_PRIVACY_UNKNOWN) {
1940                         if (do_privacy(chan, peer, &opts, opt_args, &pa)) {
1941                                 res = 0;
1942                                 goto out;
1943                         }
1944                 }
1945                 if (!ast_test_flag64(&opts, OPT_ANNOUNCE) || ast_strlen_zero(opt_args[OPT_ARG_ANNOUNCE])) {
1946                         res = 0;
1947                 } else {
1948                         int digit = 0;
1949                         /* Start autoservice on the other chan */
1950                         res = ast_autoservice_start(chan);
1951                         /* Now Stream the File */
1952                         if (!res)
1953                                 res = ast_streamfile(peer, opt_args[OPT_ARG_ANNOUNCE], peer->language);
1954                         if (!res) {
1955                                 digit = ast_waitstream(peer, AST_DIGIT_ANY);
1956                         }
1957                         /* Ok, done. stop autoservice */
1958                         res = ast_autoservice_stop(chan);
1959                         if (digit > 0 && !res)
1960                                 res = ast_senddigit(chan, digit, 0);
1961                         else
1962                                 res = digit;
1963
1964                 }
1965
1966                 if (chan && peer && ast_test_flag64(&opts, OPT_GOTO) && !ast_strlen_zero(opt_args[OPT_ARG_GOTO])) {
1967                         replace_macro_delimiter(opt_args[OPT_ARG_GOTO]);
1968                         ast_parseable_goto(chan, opt_args[OPT_ARG_GOTO]);
1969                         /* peer goes to the same context and extension as chan, so just copy info from chan*/
1970                         ast_copy_string(peer->context, chan->context, sizeof(peer->context));
1971                         ast_copy_string(peer->exten, chan->exten, sizeof(peer->exten));
1972                         peer->priority = chan->priority + 2;
1973                         ast_pbx_start(peer);
1974                         hanguptree(outgoing, NULL, ast_test_flag64(&opts, OPT_CANCEL_ELSEWHERE) ? 1 : 0);
1975                         if (continue_exec)
1976                                 *continue_exec = 1;
1977                         res = 0;
1978                         goto done;
1979                 }
1980
1981                 if (ast_test_flag64(&opts, OPT_CALLEE_MACRO) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_MACRO])) {
1982                         struct ast_app *theapp;
1983                         const char *macro_result;
1984
1985                         res = ast_autoservice_start(chan);
1986                         if (res) {
1987                                 ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
1988                                 res = -1;
1989                         }
1990
1991                         theapp = pbx_findapp("Macro");
1992
1993                         if (theapp && !res) { /* XXX why check res here ? */
1994                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_MACRO]);
1995                                 res = pbx_exec(peer, theapp, opt_args[OPT_ARG_CALLEE_MACRO]);
1996                                 ast_debug(1, "Macro exited with status %d\n", res);
1997                                 res = 0;
1998                         } else {
1999                                 ast_log(LOG_ERROR, "Could not find application Macro\n");
2000                                 res = -1;
2001                         }
2002
2003                         if (ast_autoservice_stop(chan) < 0) {
2004                                 ast_log(LOG_ERROR, "Could not stop autoservice on calling channel\n");
2005                                 res = -1;
2006                         }
2007
2008                         ast_channel_lock(peer);
2009
2010                         if (!res && (macro_result = pbx_builtin_getvar_helper(peer, "MACRO_RESULT"))) {
2011                                 char *macro_transfer_dest;
2012
2013                                 if (!strcasecmp(macro_result, "BUSY")) {
2014                                         ast_copy_string(pa.status, macro_result, sizeof(pa.status));
2015                                         ast_set_flag64(peerflags, OPT_GO_ON);
2016                                         res = -1;
2017                                 } else if (!strcasecmp(macro_result, "CONGESTION") || !strcasecmp(macro_result, "CHANUNAVAIL")) {
2018                                         ast_copy_string(pa.status, macro_result, sizeof(pa.status));
2019                                         ast_set_flag64(peerflags, OPT_GO_ON);
2020                                         res = -1;
2021                                 } else if (!strcasecmp(macro_result, "CONTINUE")) {
2022                                         /* hangup peer and keep chan alive assuming the macro has changed
2023                                            the context / exten / priority or perhaps
2024                                            the next priority in the current exten is desired.
2025                                         */
2026                                         ast_set_flag64(peerflags, OPT_GO_ON);
2027                                         res = -1;
2028                                 } else if (!strcasecmp(macro_result, "ABORT")) {
2029                                         /* Hangup both ends unless the caller has the g flag */
2030                                         res = -1;
2031                                 } else if (!strncasecmp(macro_result, "GOTO:", 5) && (macro_transfer_dest = ast_strdupa(macro_result + 5))) {
2032                                         res = -1;
2033                                         /* perform a transfer to a new extension */
2034                                         if (strchr(macro_transfer_dest, '^')) { /* context^exten^priority*/
2035                                                 replace_macro_delimiter(macro_transfer_dest);
2036                                                 if (!ast_parseable_goto(chan, macro_transfer_dest))
2037                                                         ast_set_flag64(peerflags, OPT_GO_ON);
2038                                         }
2039                                 }
2040                         }
2041
2042                         ast_channel_unlock(peer);
2043                 }
2044
2045                 if (ast_test_flag64(&opts, OPT_CALLEE_GOSUB) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_GOSUB])) {
2046                         struct ast_app *theapp;
2047                         const char *gosub_result;
2048                         char *gosub_args, *gosub_argstart;
2049                         int res9 = -1;
2050
2051                         res9 = ast_autoservice_start(chan);
2052                         if (res9) {
2053                                 ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
2054                                 res9 = -1;
2055                         }
2056
2057                         theapp = pbx_findapp("Gosub");
2058
2059                         if (theapp && !res9) {
2060                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_GOSUB]);
2061
2062                                 /* Set where we came from */
2063                                 ast_copy_string(peer->context, "app_dial_gosub_virtual_context", sizeof(peer->context));
2064                                 ast_copy_string(peer->exten, "s", sizeof(peer->exten));
2065                                 peer->priority = 0;
2066
2067                                 gosub_argstart = strchr(opt_args[OPT_ARG_CALLEE_GOSUB], ',');
2068                                 if (gosub_argstart) {
2069                                         *gosub_argstart = 0;
2070                                         if (asprintf(&gosub_args, "%s,s,1(%s)", opt_args[OPT_ARG_CALLEE_GOSUB], gosub_argstart + 1) < 0) {
2071                                                 ast_log(LOG_WARNING, "asprintf() failed: %s\n", strerror(errno));
2072                                                 gosub_args = NULL;
2073                                         }
2074                                         *gosub_argstart = ',';
2075                                 } else {
2076                                         if (asprintf(&gosub_args, "%s,s,1", opt_args[OPT_ARG_CALLEE_GOSUB]) < 0) {
2077                                                 ast_log(LOG_WARNING, "asprintf() failed: %s\n", strerror(errno));
2078                                                 gosub_args = NULL;
2079                                         }
2080                                 }
2081
2082                                 if (gosub_args) {
2083                                         res9 = pbx_exec(peer, theapp, gosub_args);
2084                                         if (!res9) {
2085                                                 struct ast_pbx_args args;
2086                                                 /* A struct initializer fails to compile for this case ... */
2087                                                 memset(&args, 0, sizeof(args));
2088                                                 args.no_hangup_chan = 1;
2089                                                 ast_pbx_run_args(peer, &args);
2090                                         }
2091                                         ast_free(gosub_args);
2092                                         if (option_debug)
2093                                                 ast_log(LOG_DEBUG, "Gosub exited with status %d\n", res9);
2094                                 } else {
2095                                         ast_log(LOG_ERROR, "Could not Allocate string for Gosub arguments -- Gosub Call Aborted!\n");
2096                                 }
2097
2098                         } else if (!res9) {
2099                                 ast_log(LOG_ERROR, "Could not find application Gosub\n");
2100                                 res9 = -1;
2101                         }
2102
2103                         if (ast_autoservice_stop(chan) < 0) {
2104                                 ast_log(LOG_ERROR, "Could not stop autoservice on calling channel\n");
2105                                 res9 = -1;
2106                         }
2107                         
2108                         ast_channel_lock(peer);
2109
2110                         if (!res9 && (gosub_result = pbx_builtin_getvar_helper(peer, "GOSUB_RESULT"))) {
2111                                 char *gosub_transfer_dest;
2112
2113                                 if (!strcasecmp(gosub_result, "BUSY")) {
2114                                         ast_copy_string(pa.status, gosub_result, sizeof(pa.status));
2115                                         ast_set_flag64(peerflags, OPT_GO_ON);
2116                                         res9 = -1;
2117                                 } else if (!strcasecmp(gosub_result, "CONGESTION") || !strcasecmp(gosub_result, "CHANUNAVAIL")) {
2118                                         ast_copy_string(pa.status, gosub_result, sizeof(pa.status));
2119                                         ast_set_flag64(peerflags, OPT_GO_ON);
2120                                         res9 = -1;
2121                                 } else if (!strcasecmp(gosub_result, "CONTINUE")) {
2122                                         /* hangup peer and keep chan alive assuming the macro has changed
2123                                            the context / exten / priority or perhaps
2124                                            the next priority in the current exten is desired.
2125                                         */
2126                                         ast_set_flag64(peerflags, OPT_GO_ON);
2127                                         res9 = -1;
2128                                 } else if (!strcasecmp(gosub_result, "ABORT")) {
2129                                         /* Hangup both ends unless the caller has the g flag */
2130                                         res9 = -1;
2131                                 } else if (!strncasecmp(gosub_result, "GOTO:", 5) && (gosub_transfer_dest = ast_strdupa(gosub_result + 5))) {
2132                                         res9 = -1;
2133                                         /* perform a transfer to a new extension */
2134                                         if (strchr(gosub_transfer_dest, '^')) { /* context^exten^priority*/
2135                                                 replace_macro_delimiter(gosub_transfer_dest);
2136                                                 if (!ast_parseable_goto(chan, gosub_transfer_dest))
2137                                                         ast_set_flag64(peerflags, OPT_GO_ON);
2138                                         }
2139                                 }
2140                         }
2141
2142                         ast_channel_unlock(peer);       
2143                 }
2144
2145                 if (!res) {
2146                         if (!ast_tvzero(calldurationlimit)) {
2147                                 struct timeval whentohangup = calldurationlimit;
2148                                 peer->whentohangup = ast_tvadd(ast_tvnow(), whentohangup);
2149                         }
2150                         if (!ast_strlen_zero(dtmfcalled)) {
2151                                 ast_verb(3, "Sending DTMF '%s' to the called party.\n", dtmfcalled);
2152                                 res = ast_dtmf_stream(peer, chan, dtmfcalled, 250, 0);
2153                         }
2154                         if (!ast_strlen_zero(dtmfcalling)) {
2155                                 ast_verb(3, "Sending DTMF '%s' to the calling party.\n", dtmfcalling);
2156                                 res = ast_dtmf_stream(chan, peer, dtmfcalling, 250, 0);
2157                         }
2158                 }
2159
2160                 if (res) { /* some error */
2161                         res = -1;
2162                 } else {
2163                         if (ast_test_flag64(peerflags, OPT_CALLEE_TRANSFER))
2164                                 ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
2165                         if (ast_test_flag64(peerflags, OPT_CALLER_TRANSFER))
2166                                 ast_set_flag(&(config.features_caller), AST_FEATURE_REDIRECT);
2167                         if (ast_test_flag64(peerflags, OPT_CALLEE_HANGUP))
2168                                 ast_set_flag(&(config.features_callee), AST_FEATURE_DISCONNECT);
2169                         if (ast_test_flag64(peerflags, OPT_CALLER_HANGUP))
2170                                 ast_set_flag(&(config.features_caller), AST_FEATURE_DISCONNECT);
2171                         if (ast_test_flag64(peerflags, OPT_CALLEE_MONITOR))
2172                                 ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
2173                         if (ast_test_flag64(peerflags, OPT_CALLER_MONITOR))
2174                                 ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
2175                         if (ast_test_flag64(peerflags, OPT_CALLEE_PARK))
2176                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PARKCALL);
2177                         if (ast_test_flag64(peerflags, OPT_CALLER_PARK))
2178                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PARKCALL);
2179                         if (ast_test_flag64(peerflags, OPT_CALLEE_MIXMONITOR))
2180                                 ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMIXMON);
2181                         if (ast_test_flag64(peerflags, OPT_CALLER_MIXMONITOR))
2182                                 ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMIXMON);
2183                         if (ast_test_flag64(peerflags, OPT_GO_ON))
2184                                 ast_set_flag(&(config.features_caller), AST_FEATURE_NO_H_EXTEN);
2185
2186                         config.end_bridge_callback = end_bridge_callback;
2187                         config.end_bridge_callback_data = chan;
2188                         config.end_bridge_callback_data_fixup = end_bridge_callback_data_fixup;
2189                         
2190                         if (moh) {
2191                                 moh = 0;
2192                                 ast_moh_stop(chan);
2193                         } else if (sentringing) {
2194                                 sentringing = 0;
2195                                 ast_indicate(chan, -1);
2196                         }
2197                         /* Be sure no generators are left on it */
2198                         ast_deactivate_generator(chan);
2199                         /* Make sure channels are compatible */
2200                         res = ast_channel_make_compatible(chan, peer);
2201                         if (res < 0) {
2202                                 ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", chan->name, peer->name);
2203                                 ast_hangup(peer);
2204                                 res = -1;
2205                                 goto done;
2206                         }
2207                         if (opermode) {
2208                                 struct oprmode oprmode;
2209
2210                                 oprmode.peer = peer;
2211                                 oprmode.mode = opermode;
2212
2213                                 ast_channel_setoption(chan, AST_OPTION_OPRMODE, &oprmode, sizeof(oprmode), 0);
2214                         }
2215                         res = ast_bridge_call(chan, peer, &config);
2216                 }
2217
2218                 strcpy(peer->context, chan->context);
2219
2220                 if (ast_test_flag64(&opts, OPT_PEER_H) && ast_exists_extension(peer, peer->context, "h", 1, peer->cid.cid_num)) {
2221                         int autoloopflag;
2222                         int found;
2223                         int res9;
2224                         
2225                         strcpy(peer->exten, "h");
2226                         peer->priority = 1;
2227                         autoloopflag = ast_test_flag(peer, AST_FLAG_IN_AUTOLOOP); /* save value to restore at the end */
2228                         ast_set_flag(peer, AST_FLAG_IN_AUTOLOOP);
2229
2230                         while ((res9 = ast_spawn_extension(peer, peer->context, peer->exten, peer->priority, peer->cid.cid_num, &found, 1)) == 0)
2231                                 peer->priority++;
2232
2233                         if (found && res9) {
2234                                 /* Something bad happened, or a hangup has been requested. */
2235                                 ast_debug(1, "Spawn extension (%s,%s,%d) exited non-zero on '%s'\n", peer->context, peer->exten, peer->priority, peer->name);
2236                                 ast_verb(2, "Spawn extension (%s, %s, %d) exited non-zero on '%s'\n", peer->context, peer->exten, peer->priority, peer->name);
2237                         }
2238                         ast_set2_flag(peer, autoloopflag, AST_FLAG_IN_AUTOLOOP);  /* set it back the way it was */
2239                 }
2240                 if (!ast_check_hangup(peer) && ast_test_flag64(&opts, OPT_CALLEE_GO_ON) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_GO_ON])) {          
2241                         replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_GO_ON]);
2242                         ast_parseable_goto(peer, opt_args[OPT_ARG_CALLEE_GO_ON]);
2243                         ast_pbx_start(peer);
2244                 } else {
2245                         if (!ast_check_hangup(chan))
2246                                 chan->hangupcause = peer->hangupcause;
2247                         ast_hangup(peer);
2248                 }
2249         }
2250 out:
2251         if (moh) {
2252                 moh = 0;
2253                 ast_moh_stop(chan);
2254         } else if (sentringing) {
2255                 sentringing = 0;
2256                 ast_indicate(chan, -1);
2257         }
2258         ast_channel_early_bridge(chan, NULL);
2259         hanguptree(outgoing, NULL, 0); /* In this case, there's no answer anywhere */
2260         pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
2261         senddialendevent(chan, pa.status);
2262         ast_debug(1, "Exiting with DIALSTATUS=%s.\n", pa.status);
2263         
2264         if ((ast_test_flag64(peerflags, OPT_GO_ON)) && !ast_check_hangup(chan) && (res != AST_PBX_INCOMPLETE)) {
2265                 if (!ast_tvzero(calldurationlimit))
2266                         memset(&chan->whentohangup, 0, sizeof(chan->whentohangup));
2267                 res = 0;
2268         }
2269
2270 done:
2271         if (config.warning_sound) {
2272                 ast_free((char *)config.warning_sound);
2273         }
2274         if (config.end_sound) {
2275                 ast_free((char *)config.end_sound);
2276         }
2277         if (config.start_sound) {
2278                 ast_free((char *)config.start_sound);
2279         }
2280         return res;
2281 }
2282
2283 static int dial_exec(struct ast_channel *chan, void *data)
2284 {
2285         struct ast_flags64 peerflags;
2286
2287         memset(&peerflags, 0, sizeof(peerflags));
2288
2289         return dial_exec_full(chan, data, &peerflags, NULL);
2290 }
2291
2292 static int retrydial_exec(struct ast_channel *chan, void *data)
2293 {
2294         char *parse;
2295         const char *context = NULL;
2296         int sleepms = 0, loops = 0, res = -1;
2297         struct ast_flags64 peerflags = { 0, };
2298         AST_DECLARE_APP_ARGS(args,
2299                 AST_APP_ARG(announce);
2300                 AST_APP_ARG(sleep);
2301                 AST_APP_ARG(retries);
2302                 AST_APP_ARG(dialdata);
2303         );
2304
2305         if (ast_strlen_zero(data)) {
2306                 ast_log(LOG_WARNING, "RetryDial requires an argument!\n");
2307                 return -1;
2308         }
2309
2310         parse = ast_strdupa(data);
2311         AST_STANDARD_APP_ARGS(args, parse);
2312
2313         if ((sleepms = atoi(args.sleep)))
2314                 sleepms *= 1000;
2315
2316         loops = atoi(args.retries);
2317
2318         if (!args.dialdata) {
2319                 ast_log(LOG_ERROR, "%s requires a 4th argument (dialdata)\n", rapp);
2320                 goto done;
2321         }
2322
2323         if (sleepms < 1000)
2324                 sleepms = 10000;
2325
2326         if (!loops)
2327                 loops = -1; /* run forever */
2328
2329         ast_channel_lock(chan);
2330         context = pbx_builtin_getvar_helper(chan, "EXITCONTEXT");
2331         context = !ast_strlen_zero(context) ? ast_strdupa(context) : NULL;
2332         ast_channel_unlock(chan);
2333
2334         res = 0;
2335         while (loops) {
2336                 int continue_exec;
2337
2338                 chan->data = "Retrying";
2339                 if (ast_test_flag(chan, AST_FLAG_MOH))
2340                         ast_moh_stop(chan);
2341
2342                 res = dial_exec_full(chan, args.dialdata, &peerflags, &continue_exec);
2343                 if (continue_exec)
2344                         break;
2345
2346                 if (res == 0) {
2347                         if (ast_test_flag64(&peerflags, OPT_DTMF_EXIT)) {
2348                                 if (!ast_strlen_zero(args.announce)) {
2349                                         if (ast_fileexists(args.announce, NULL, chan->language) > 0) {
2350                                                 if (!(res = ast_streamfile(chan, args.announce, chan->language)))
2351                                                         ast_waitstream(chan, AST_DIGIT_ANY);
2352                                         } else
2353                                                 ast_log(LOG_WARNING, "Announce file \"%s\" specified in Retrydial does not exist\n", args.announce);
2354                                 }
2355                                 if (!res && sleepms) {
2356                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
2357                                                 ast_moh_start(chan, NULL, NULL);
2358                                         res = ast_waitfordigit(chan, sleepms);
2359                                 }
2360                         } else {
2361                                 if (!ast_strlen_zero(args.announce)) {
2362                                         if (ast_fileexists(args.announce, NULL, chan->language) > 0) {
2363                                                 if (!(res = ast_streamfile(chan, args.announce, chan->language)))
2364                                                         res = ast_waitstream(chan, "");
2365                                         } else
2366                                                 ast_log(LOG_WARNING, "Announce file \"%s\" specified in Retrydial does not exist\n", args.announce);
2367                                 }
2368                                 if (sleepms) {
2369                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
2370                                                 ast_moh_start(chan, NULL, NULL);
2371                                         if (!res)
2372                                                 res = ast_waitfordigit(chan, sleepms);
2373                                 }
2374                         }
2375                 }
2376
2377                 if (res < 0 || res == AST_PBX_INCOMPLETE) {
2378                         break;
2379                 } else if (res > 0) { /* Trying to send the call elsewhere (1 digit ext) */
2380                         if (onedigit_goto(chan, context, (char) res, 1)) {
2381                                 res = 0;
2382                                 break;
2383                         }
2384                 }
2385                 loops--;
2386         }
2387         if (loops == 0)
2388                 res = 0;
2389         else if (res == 1)
2390                 res = 0;
2391
2392         if (ast_test_flag(chan, AST_FLAG_MOH))
2393                 ast_moh_stop(chan);
2394  done:
2395         return res;
2396 }
2397
2398 static int unload_module(void)
2399 {
2400         int res;
2401         struct ast_context *con;
2402
2403         res = ast_unregister_application(app);
2404         res |= ast_unregister_application(rapp);
2405
2406         if ((con = ast_context_find("app_dial_gosub_virtual_context"))) {
2407                 ast_context_remove_extension2(con, "s", 1, NULL, 0);
2408                 ast_context_destroy(con, "app_dial"); /* leave nothing behind */
2409         }
2410
2411         return res;
2412 }
2413
2414 static int load_module(void)
2415 {
2416         int res;
2417         struct ast_context *con;
2418
2419         con = ast_context_find_or_create(NULL, NULL, "app_dial_gosub_virtual_context", "app_dial");
2420         if (!con)
2421                 ast_log(LOG_ERROR, "Dial virtual context 'app_dial_gosub_virtual_context' does not exist and unable to create\n");
2422         else
2423                 ast_add_extension2(con, 1, "s", 1, NULL, NULL, "NoOp", ast_strdup(""), ast_free_ptr, "app_dial");
2424
2425         res = ast_register_application_xml(app, dial_exec);
2426         res |= ast_register_application_xml(rapp, retrydial_exec);
2427
2428         return res;
2429 }
2430
2431 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Dialing Application");