Add bridge related dial flags to the bridge app
[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_engine.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 #include "asterisk/cel.h"
65
66 /*** DOCUMENTATION
67         <application name="Dial" language="en_US">
68                 <synopsis>
69                         Attempt to connect to another device or endpoint and bridge the call.
70                 </synopsis>
71                 <syntax>
72                         <parameter name="Technology/Resource" required="true" argsep="&amp;">
73                                 <argument name="Technology/Resource" required="true">
74                                         <para>Specification of the device(s) to dial.  These must be in the format of
75                                         <literal>Technology/Resource</literal>, where <replaceable>Technology</replaceable>
76                                         represents a particular channel driver, and <replaceable>Resource</replaceable>
77                                         represents a resource available to that particular channel driver.</para>
78                                 </argument>
79                                 <argument name="Technology2/Resource2" required="false" multiple="true">
80                                         <para>Optional extra devices to dial in parallel</para>
81                                         <para>If you need more then one enter them as
82                                         Technology2/Resource2&amp;Technology3/Resourse3&amp;.....</para>
83                                 </argument>
84                         </parameter>
85                         <parameter name="timeout" required="false">
86                                 <para>Specifies the number of seconds we attempt to dial the specified devices</para>
87                                 <para>If not specified, this defaults to 136 years.</para>
88                         </parameter>
89                         <parameter name="options" required="false">
90                            <optionlist>
91                                 <option name="A">
92                                         <argument name="x" required="true">
93                                                 <para>The file to play to the called party</para>
94                                         </argument>
95                                         <para>Play an announcement to the called party, where <replaceable>x</replaceable> is the prompt to be played</para>
96                                 </option>
97                                 <option name="C">
98                                         <para>Reset the call detail record (CDR) for this call.</para>
99                                 </option>
100                                 <option name="c">
101                                         <para>If the Dial() application cancels this call, always set the flag to tell the channel
102                                         driver that the call is answered elsewhere.</para>
103                                 </option>
104                                 <option name="d">
105                                         <para>Allow the calling user to dial a 1 digit extension while waiting for
106                                         a call to be answered. Exit to that extension if it exists in the
107                                         current context, or the context defined in the <variable>EXITCONTEXT</variable> variable,
108                                         if it exists.</para>
109                                 </option>
110                                 <option name="D" argsep=":">
111                                         <argument name="called" />
112                                         <argument name="calling" />
113                                         <argument name="progress" />
114                                         <para>Send the specified DTMF strings <emphasis>after</emphasis> the called
115                                         party has answered, but before the call gets bridged. The 
116                                         <replaceable>called</replaceable> DTMF string is sent to the called party, and the 
117                                         <replaceable>calling</replaceable> DTMF string is sent to the calling party. Both arguments 
118                                         can be used alone.  If <replaceable>progress</replaceable> is specified, its DTMF is sent
119                                         immediately after receiving a PROGRESS message.</para>
120                                 </option>
121                                 <option name="e">
122                                         <para>Execute the <literal>h</literal> extension for peer after the call ends</para>
123                                 </option>
124                                 <option name="f">
125                                         <para>Force the callerid of the <emphasis>calling</emphasis> channel to be set as the
126                                         extension associated with the channel using a dialplan <literal>hint</literal>.
127                                         For example, some PSTNs do not allow CallerID to be set to anything
128                                         other than the number assigned to the caller.</para>
129                                 </option>
130                                 <option name="F" argsep="^">
131                                         <argument name="context" required="false" />
132                                         <argument name="exten" required="false" />
133                                         <argument name="priority" required="true" />
134                                         <para>When the caller hangs up, transfer the called party
135                                         to the specified destination and continue execution at that location.</para>
136                                 </option>
137                                 <option name="F">
138                                         <para>Proceed with dialplan execution at the next priority in the current extension if the
139                                         source channel hangs up.</para>
140                                 </option>
141                                 <option name="g">
142                                         <para>Proceed with dialplan execution at the next priority in the current extension if the
143                                         destination channel hangs up.</para>
144                                 </option>
145                                 <option name="G" argsep="^">
146                                         <argument name="context" required="false" />
147                                         <argument name="exten" required="false" />
148                                         <argument name="priority" required="true" />
149                                         <para>If the call is answered, transfer the calling party to
150                                         the specified <replaceable>priority</replaceable> and the called party to the specified 
151                                         <replaceable>priority</replaceable> plus one.</para>
152                                         <note>
153                                                 <para>You cannot use any additional action post answer options in conjunction with this option.</para>
154                                         </note>
155                                 </option>
156                                 <option name="h">
157                                         <para>Allow the called party to hang up by sending the <literal>*</literal> DTMF digit.</para>
158                                 </option>
159                                 <option name="H">
160                                         <para>Allow the calling party to hang up by hitting the <literal>*</literal> DTMF digit.</para>
161                                 </option>
162                                 <option name="i">
163                                         <para>Asterisk will ignore any forwarding requests it may receive on this dial attempt.</para>
164                                 </option>
165                                 <option name="I">
166                                         <para>Asterisk will ignore any connected line update requests or redirecting party update
167                                         requests it may receiveon this dial attempt.</para>
168                                 </option>
169                                 <option name="k">
170                                         <para>Allow the called party to enable parking of the call by sending
171                                         the DTMF sequence defined for call parking in <filename>features.conf</filename>.</para>
172                                 </option>
173                                 <option name="K">
174                                         <para>Allow the calling party to enable parking of the call by sending
175                                         the DTMF sequence defined for call parking in <filename>features.conf</filename>.</para>
176                                 </option>
177                                 <option name="L" argsep=":">
178                                         <argument name="x" required="true">
179                                                 <para>Maximum call time, in milliseconds</para>
180                                         </argument>
181                                         <argument name="y">
182                                                 <para>Warning time, in milliseconds</para>
183                                         </argument>
184                                         <argument name="z">
185                                                 <para>Repeat time, in milliseconds</para>
186                                         </argument>
187                                         <para>Limit the call to <replaceable>x</replaceable> milliseconds. Play a warning when <replaceable>y</replaceable> milliseconds are
188                                         left. Repeat the warning every <replaceable>z</replaceable> milliseconds until time expires.</para>
189                                         <para>This option is affected by the following variables:</para>
190                                         <variablelist>
191                                                 <variable name="LIMIT_PLAYAUDIO_CALLER">
192                                                         <value name="yes" default="true" />
193                                                         <value name="no" />
194                                                         <para>If set, this variable causes Asterisk to play the prompts to the caller.</para>
195                                                 </variable>
196                                                 <variable name="LIMIT_PLAYAUDIO_CALLEE">
197                                                         <value name="yes" />
198                                                         <value name="no" default="true"/>
199                                                         <para>If set, this variable causes Asterisk to play the prompts to the callee.</para>
200                                                 </variable>
201                                                 <variable name="LIMIT_TIMEOUT_FILE">
202                                                         <value name="filename"/>
203                                                         <para>If specified, <replaceable>filename</replaceable> specifies the sound prompt to play when the timeout is reached.
204                                                         If not set, the time remaining will be announced.</para>
205                                                 </variable>
206                                                 <variable name="LIMIT_CONNECT_FILE">
207                                                         <value name="filename"/>
208                                                         <para>If specified, <replaceable>filename</replaceable> specifies the sound prompt to play when the call begins.
209                                                         If not set, the time remaining will be announced.</para>
210                                                 </variable>
211                                                 <variable name="LIMIT_WARNING_FILE">
212                                                         <value name="filename"/>
213                                                         <para>If specified, <replaceable>filename</replaceable> specifies the sound prompt to play as
214                                                         a warning when time <replaceable>x</replaceable> is reached. If not set, the time remaining will be announced.</para>
215                                                 </variable>
216                                         </variablelist>
217                                 </option>
218                                 <option name="m">
219                                         <argument name="class" required="false"/>
220                                         <para>Provide hold music to the calling party until a requested
221                                         channel answers. A specific music on hold <replaceable>class</replaceable>
222                                         (as defined in <filename>musiconhold.conf</filename>) can be specified.</para>
223                                 </option>
224                                 <option name="M" argsep="^">
225                                         <argument name="macro" required="true">
226                                                 <para>Name of the macro that should be executed.</para>
227                                         </argument>
228                                         <argument name="arg" multiple="true">
229                                                 <para>Macro arguments</para>
230                                         </argument>
231                                         <para>Execute the specified <replaceable>macro</replaceable> for the <emphasis>called</emphasis> channel 
232                                         before connecting to the calling channel. Arguments can be specified to the Macro
233                                         using <literal>^</literal> as a delimiter. The macro can set the variable
234                                         <variable>MACRO_RESULT</variable> to specify the following actions after the macro is
235                                         finished executing:</para>
236                                         <variablelist>
237                                                 <variable name="MACRO_RESULT">
238                                                         <para>If set, this action will be taken after the macro finished executing.</para>
239                                                         <value name="ABORT">
240                                                                 Hangup both legs of the call
241                                                         </value>
242                                                         <value name="CONGESTION">
243                                                                 Behave as if line congestion was encountered
244                                                         </value>
245                                                         <value name="BUSY">
246                                                                 Behave as if a busy signal was encountered
247                                                         </value>
248                                                         <value name="CONTINUE">
249                                                                 Hangup the called party and allow the calling party to continue dialplan execution at the next priority
250                                                         </value>
251                                                         <!-- TODO: Fix this syntax up, once we've figured out how to specify the GOTO syntax -->
252                                                         <value name="GOTO:&lt;context&gt;^&lt;exten&gt;^&lt;priority&gt;">
253                                                                 Transfer the call to the specified destination.
254                                                         </value>
255                                                 </variable>
256                                         </variablelist>
257                                         <note>
258                                                 <para>You cannot use any additional action post answer options in conjunction
259                                                 with this option. Also, pbx services are not run on the peer (called) channel,
260                                                 so you will not be able to set timeouts via the TIMEOUT() function in this macro.</para>
261                                         </note>
262                                         <warning><para>Be aware of the limitations that macros have, specifically with regards to use of
263                                         the <literal>WaitExten</literal> application. For more information, see the documentation for
264                                         Macro()</para></warning>
265                                 </option>
266                                 <option name="n">
267                                         <para>This option is a modifier for the call screening/privacy mode. (See the 
268                                         <literal>p</literal> and <literal>P</literal> options.) It specifies
269                                         that no introductions are to be saved in the <directory>priv-callerintros</directory>
270                                         directory.</para>
271                                 </option>
272                                 <option name="N">
273                                         <para>This option is a modifier for the call screening/privacy mode. It specifies
274                                         that if Caller*ID is present, do not screen the call.</para>
275                                 </option>
276                                 <option name="o">
277                                         <para>Specify that the Caller*ID that was present on the <emphasis>calling</emphasis> channel
278                                         be set as the Caller*ID on the <emphasis>called</emphasis> channel. This was the
279                                         behavior of Asterisk 1.0 and earlier.</para>
280                                 </option>
281                                 <option name="O">
282                                         <argument name="mode">
283                                                 <para>With <replaceable>mode</replaceable> either not specified or set to <literal>1</literal>,
284                                                 the originator hanging up will cause the phone to ring back immediately.</para>
285                                                 <para>With <replaceable>mode</replaceable> set to <literal>2</literal>, when the operator 
286                                                 flashes the trunk, it will ring their phone back.</para>
287                                         </argument>
288                                         <para>Enables <emphasis>operator services</emphasis> mode.  This option only
289                                         works when bridging a DAHDI channel to another DAHDI channel
290                                         only. if specified on non-DAHDI interfaces, it will be ignored.
291                                         When the destination answers (presumably an operator services
292                                         station), the originator no longer has control of their line.
293                                         They may hang up, but the switch will not release their line
294                                         until the destination party (the operator) hangs up.</para>
295                                 </option>
296                                 <option name="p">
297                                         <para>This option enables screening mode. This is basically Privacy mode
298                                         without memory.</para>
299                                 </option>
300                                 <option name="P">
301                                         <argument name="x" />
302                                         <para>Enable privacy mode. Use <replaceable>x</replaceable> as the family/key in the AstDB database if
303                                         it is provided. The current extension is used if a database family/key is not specified.</para>
304                                 </option>
305                                 <option name="r">
306                                         <para>Indicate ringing to the calling party, even if the called party isn't actually ringing. Pass no audio to the calling
307                                         party until the called channel has answered.</para>
308                                 </option>
309                                 <option name="S">
310                                         <argument name="x" required="true" />
311                                         <para>Hang up the call <replaceable>x</replaceable> seconds <emphasis>after</emphasis> the called party has
312                                         answered the call.</para>
313                                 </option>
314                                 <option name="t">
315                                         <para>Allow the called party to transfer the calling party by sending the
316                                         DTMF sequence defined in <filename>features.conf</filename>.</para>
317                                 </option>
318                                 <option name="T">
319                                         <para>Allow the calling party to transfer the called party by sending the
320                                         DTMF sequence defined in <filename>features.conf</filename>.</para>
321                                 </option>
322                                 <option name="U" argsep="^">
323                                         <argument name="x" required="true">
324                                                 <para>Name of the subroutine to execute via Gosub</para>
325                                         </argument>
326                                         <argument name="arg" multiple="true" required="false">
327                                                 <para>Arguments for the Gosub routine</para>
328                                         </argument>
329                                         <para>Execute via Gosub the routine <replaceable>x</replaceable> for the <emphasis>called</emphasis> channel before connecting
330                                         to the calling channel. Arguments can be specified to the Gosub
331                                         using <literal>^</literal> as a delimiter. The Gosub routine can set the variable
332                                         <variable>GOSUB_RESULT</variable> to specify the following actions after the Gosub returns.</para>
333                                         <variablelist>
334                                                 <variable name="GOSUB_RESULT">
335                                                         <value name="ABORT">
336                                                                 Hangup both legs of the call.
337                                                         </value>
338                                                         <value name="CONGESTION">
339                                                                 Behave as if line congestion was encountered.
340                                                         </value>
341                                                         <value name="BUSY">
342                                                                 Behave as if a busy signal was encountered.
343                                                         </value>
344                                                         <value name="CONTINUE">
345                                                                 Hangup the called party and allow the calling party
346                                                                 to continue dialplan execution at the next priority.
347                                                         </value>
348                                                         <!-- TODO: Fix this syntax up, once we've figured out how to specify the GOTO syntax -->
349                                                         <value name="GOTO:&lt;context&gt;^&lt;exten&gt;^&lt;priority&gt;">
350                                                                 Transfer the call to the specified priority. Optionally, an extension, or
351                                                                 extension and priority can be specified.
352                                                         </value>
353                                                 </variable>
354                                         </variablelist>
355                                         <note>
356                                                 <para>You cannot use any additional action post answer options in conjunction
357                                                 with this option. Also, pbx services are not run on the peer (called) channel,
358                                                 so you will not be able to set timeouts via the TIMEOUT() function in this routine.</para>
359                                         </note>
360                                 </option>
361                                 <option name="w">
362                                         <para>Allow the called party to enable recording of the call by sending
363                                         the DTMF sequence defined for one-touch recording in <filename>features.conf</filename>.</para>
364                                 </option>
365                                 <option name="W">
366                                         <para>Allow the calling party to enable recording of the call by sending
367                                         the DTMF sequence defined for one-touch recording in <filename>features.conf</filename>.</para>
368                                 </option>
369                                 <option name="x">
370                                         <para>Allow the called party to enable recording of the call by sending
371                                         the DTMF sequence defined for one-touch automixmonitor in <filename>features.conf</filename>.</para>
372                                 </option>
373                                 <option name="X">
374                                         <para>Allow the calling party to enable recording of the call by sending
375                                         the DTMF sequence defined for one-touch automixmonitor in <filename>features.conf</filename>.</para>
376                                 </option>
377                                 <option name="z">
378                                         <para>On a call forward, cancel any dial timeout which has been set for this call.</para>
379                                 </option>
380                                 </optionlist>
381                         </parameter>
382                         <parameter name="URL">
383                                 <para>The optional URL will be sent to the called party if the channel driver supports it.</para>
384                         </parameter>
385                 </syntax>
386                 <description>
387                         <para>This application will place calls to one or more specified channels. As soon
388                         as one of the requested channels answers, the originating channel will be
389                         answered, if it has not already been answered. These two channels will then
390                         be active in a bridged call. All other channels that were requested will then
391                         be hung up.</para>
392
393                         <para>Unless there is a timeout specified, the Dial application will wait
394                         indefinitely until one of the called channels answers, the user hangs up, or
395                         if all of the called channels are busy or unavailable. Dialplan executing will
396                         continue if no requested channels can be called, or if the timeout expires.
397                         This application will report normal termination if the originating channel
398                         hangs up, or if the call is bridged and either of the parties in the bridge
399                         ends the call.</para>
400                         <para>If the <variable>OUTBOUND_GROUP</variable> variable is set, all peer channels created by this
401                         application will be put into that group (as in Set(GROUP()=...).
402                         If the <variable>OUTBOUND_GROUP_ONCE</variable> variable is set, all peer channels created by this
403                         application will be put into that group (as in Set(GROUP()=...). Unlike OUTBOUND_GROUP,
404                         however, the variable will be unset after use.</para>
405
406                         <para>This application sets the following channel variables:</para>
407                         <variablelist>
408                                 <variable name="DIALEDTIME">
409                                         <para>This is the time from dialing a channel until when it is disconnected.</para>
410                                 </variable>
411                                 <variable name="ANSWEREDTIME">
412                                         <para>This is the amount of time for actual call.</para>
413                                 </variable>
414                                 <variable name="DIALSTATUS">
415                                         <para>This is the status of the call</para>
416                                         <value name="CHANUNAVAIL" />
417                                         <value name="CONGESTION" />
418                                         <value name="NOANSWER" />
419                                         <value name="BUSY" />
420                                         <value name="ANSWER" />
421                                         <value name="CANCEL" />
422                                         <value name="DONTCALL">
423                                                 For the Privacy and Screening Modes.
424                                                 Will be set if the called party chooses to send the calling party to the 'Go Away' script.
425                                         </value>
426                                         <value name="TORTURE">
427                                                 For the Privacy and Screening Modes.
428                                                 Will be set if the called party chooses to send the calling party to the 'torture' script.
429                                         </value>
430                                         <value name="INVALIDARGS" />
431                                 </variable>
432                         </variablelist>
433                 </description>
434         </application>
435         <application name="RetryDial" language="en_US">
436                 <synopsis>
437                         Place a call, retrying on failure allowing an optional exit extension.
438                 </synopsis>
439                 <syntax>
440                         <parameter name="announce" required="true">
441                                 <para>Filename of sound that will be played when no channel can be reached</para>
442                         </parameter>
443                         <parameter name="sleep" required="true">
444                                 <para>Number of seconds to wait after a dial attempt failed before a new attempt is made</para>
445                         </parameter>
446                         <parameter name="retries" required="true">
447                                 <para>Number of retries</para>
448                                 <para>When this is reached flow will continue at the next priority in the dialplan</para>
449                         </parameter>
450                         <parameter name="dialargs" required="true">
451                                 <para>Same format as arguments provided to the Dial application</para>
452                         </parameter>
453                 </syntax>
454                 <description>
455                         <para>This application will attempt to place a call using the normal Dial application.
456                         If no channel can be reached, the <replaceable>announce</replaceable> file will be played.
457                         Then, it will wait <replaceable>sleep</replaceable> number of seconds before retrying the call.
458                         After <replaceable>retries</replaceable> number of attempts, the calling channel will continue at the next priority in the dialplan.
459                         If the <replaceable>retries</replaceable> setting is set to 0, this application will retry endlessly.
460                         While waiting to retry a call, a 1 digit extension may be dialed. If that
461                         extension exists in either the context defined in <variable>EXITCONTEXT</variable> or the current
462                         one, The call will jump to that extension immediately.
463                         The <replaceable>dialargs</replaceable> are specified in the same format that arguments are provided
464                         to the Dial application.</para>
465                 </description>
466         </application>
467  ***/
468
469 static const char app[] = "Dial";
470 static const char rapp[] = "RetryDial";
471
472 enum {
473         OPT_ANNOUNCE =          (1 << 0),
474         OPT_RESETCDR =          (1 << 1),
475         OPT_DTMF_EXIT =         (1 << 2),
476         OPT_SENDDTMF =          (1 << 3),
477         OPT_FORCECLID =         (1 << 4),
478         OPT_GO_ON =             (1 << 5),
479         OPT_CALLEE_HANGUP =     (1 << 6),
480         OPT_CALLER_HANGUP =     (1 << 7),
481         OPT_ORIGINAL_CLID =     (1 << 8),
482         OPT_DURATION_LIMIT =    (1 << 9),
483         OPT_MUSICBACK =         (1 << 10),
484         OPT_CALLEE_MACRO =      (1 << 11),
485         OPT_SCREEN_NOINTRO =    (1 << 12),
486         OPT_SCREEN_NOCALLERID = (1 << 13),
487         OPT_IGNORE_CONNECTEDLINE = (1 << 14),
488         OPT_SCREENING =         (1 << 15),
489         OPT_PRIVACY =           (1 << 16),
490         OPT_RINGBACK =          (1 << 17),
491         OPT_DURATION_STOP =     (1 << 18),
492         OPT_CALLEE_TRANSFER =   (1 << 19),
493         OPT_CALLER_TRANSFER =   (1 << 20),
494         OPT_CALLEE_MONITOR =    (1 << 21),
495         OPT_CALLER_MONITOR =    (1 << 22),
496         OPT_GOTO =              (1 << 23),
497         OPT_OPERMODE =          (1 << 24),
498         OPT_CALLEE_PARK =       (1 << 25),
499         OPT_CALLER_PARK =       (1 << 26),
500         OPT_IGNORE_FORWARDING = (1 << 27),
501         OPT_CALLEE_GOSUB =      (1 << 28),
502         OPT_CALLEE_MIXMONITOR = (1 << 29),
503         OPT_CALLER_MIXMONITOR = (1 << 30),
504 };
505
506 #define DIAL_STILLGOING      (1 << 31)
507 #define DIAL_NOFORWARDHTML   ((uint64_t)1 << 32) /* flags are now 64 bits, so keep it up! */
508 #define DIAL_NOCONNECTEDLINE ((uint64_t)1 << 33)
509 #define OPT_CANCEL_ELSEWHERE ((uint64_t)1 << 34)
510 #define OPT_PEER_H           ((uint64_t)1 << 35)
511 #define OPT_CALLEE_GO_ON     ((uint64_t)1 << 36)
512 #define OPT_CANCEL_TIMEOUT   ((uint64_t)1 << 37)
513
514 enum {
515         OPT_ARG_ANNOUNCE = 0,
516         OPT_ARG_SENDDTMF,
517         OPT_ARG_GOTO,
518         OPT_ARG_DURATION_LIMIT,
519         OPT_ARG_MUSICBACK,
520         OPT_ARG_CALLEE_MACRO,
521         OPT_ARG_CALLEE_GOSUB,
522         OPT_ARG_CALLEE_GO_ON,
523         OPT_ARG_PRIVACY,
524         OPT_ARG_DURATION_STOP,
525         OPT_ARG_OPERMODE,
526         /* note: this entry _MUST_ be the last one in the enum */
527         OPT_ARG_ARRAY_SIZE,
528 };
529
530 AST_APP_OPTIONS(dial_exec_options, BEGIN_OPTIONS
531         AST_APP_OPTION_ARG('A', OPT_ANNOUNCE, OPT_ARG_ANNOUNCE),
532         AST_APP_OPTION('C', OPT_RESETCDR),
533         AST_APP_OPTION('c', OPT_CANCEL_ELSEWHERE),
534         AST_APP_OPTION('d', OPT_DTMF_EXIT),
535         AST_APP_OPTION_ARG('D', OPT_SENDDTMF, OPT_ARG_SENDDTMF),
536         AST_APP_OPTION('e', OPT_PEER_H),
537         AST_APP_OPTION('f', OPT_FORCECLID),
538         AST_APP_OPTION_ARG('F', OPT_CALLEE_GO_ON, OPT_ARG_CALLEE_GO_ON),
539         AST_APP_OPTION('g', OPT_GO_ON),
540         AST_APP_OPTION_ARG('G', OPT_GOTO, OPT_ARG_GOTO),
541         AST_APP_OPTION('h', OPT_CALLEE_HANGUP),
542         AST_APP_OPTION('H', OPT_CALLER_HANGUP),
543         AST_APP_OPTION('i', OPT_IGNORE_FORWARDING),
544         AST_APP_OPTION('I', OPT_IGNORE_CONNECTEDLINE),
545         AST_APP_OPTION('k', OPT_CALLEE_PARK),
546         AST_APP_OPTION('K', OPT_CALLER_PARK),
547         AST_APP_OPTION_ARG('L', OPT_DURATION_LIMIT, OPT_ARG_DURATION_LIMIT),
548         AST_APP_OPTION_ARG('m', OPT_MUSICBACK, OPT_ARG_MUSICBACK),
549         AST_APP_OPTION_ARG('M', OPT_CALLEE_MACRO, OPT_ARG_CALLEE_MACRO),
550         AST_APP_OPTION('n', OPT_SCREEN_NOINTRO),
551         AST_APP_OPTION('N', OPT_SCREEN_NOCALLERID),
552         AST_APP_OPTION('o', OPT_ORIGINAL_CLID),
553         AST_APP_OPTION_ARG('O', OPT_OPERMODE, OPT_ARG_OPERMODE),
554         AST_APP_OPTION('p', OPT_SCREENING),
555         AST_APP_OPTION_ARG('P', OPT_PRIVACY, OPT_ARG_PRIVACY),
556         AST_APP_OPTION('r', OPT_RINGBACK),
557         AST_APP_OPTION_ARG('S', OPT_DURATION_STOP, OPT_ARG_DURATION_STOP),
558         AST_APP_OPTION('t', OPT_CALLEE_TRANSFER),
559         AST_APP_OPTION('T', OPT_CALLER_TRANSFER),
560         AST_APP_OPTION_ARG('U', OPT_CALLEE_GOSUB, OPT_ARG_CALLEE_GOSUB),
561         AST_APP_OPTION('w', OPT_CALLEE_MONITOR),
562         AST_APP_OPTION('W', OPT_CALLER_MONITOR),
563         AST_APP_OPTION('x', OPT_CALLEE_MIXMONITOR),
564         AST_APP_OPTION('X', OPT_CALLER_MIXMONITOR),
565         AST_APP_OPTION('z', OPT_CANCEL_TIMEOUT),
566 END_OPTIONS );
567
568 #define CAN_EARLY_BRIDGE(flags,chan,peer) (!ast_test_flag64(flags, OPT_CALLEE_HANGUP | \
569         OPT_CALLER_HANGUP | OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER | \
570         OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR | OPT_CALLEE_PARK | OPT_CALLER_PARK) && \
571         !chan->audiohooks && !peer->audiohooks)
572
573 /*
574  * The list of active channels
575  */
576 struct chanlist {
577         struct chanlist *next;
578         struct ast_channel *chan;
579         uint64_t flags;
580         struct ast_party_connected_line connected;
581 };
582
583 static int detect_disconnect(struct ast_channel *chan, char code, struct ast_str *featurecode);
584
585 static void hanguptree(struct chanlist *outgoing, struct ast_channel *exception, int answered_elsewhere)
586 {
587         /* Hang up a tree of stuff */
588         struct chanlist *oo;
589         while (outgoing) {
590                 /* Hangup any existing lines we have open */
591                 if (outgoing->chan && (outgoing->chan != exception)) {
592                         if (answered_elsewhere) {
593                                 /* The flag is used for local channel inheritance and stuff */
594                                 ast_set_flag(outgoing->chan, AST_FLAG_ANSWERED_ELSEWHERE);
595                                 /* This is for the channel drivers */
596                                 outgoing->chan->hangupcause = AST_CAUSE_ANSWERED_ELSEWHERE;
597                         }
598                         ast_party_connected_line_free(&outgoing->connected);
599                         ast_hangup(outgoing->chan);
600                 }
601                 oo = outgoing;
602                 outgoing = outgoing->next;
603                 ast_free(oo);
604         }
605 }
606
607 #define AST_MAX_WATCHERS 256
608
609 /*
610  * argument to handle_cause() and other functions.
611  */
612 struct cause_args {
613         struct ast_channel *chan;
614         int busy;
615         int congestion;
616         int nochan;
617 };
618
619 static void handle_cause(int cause, struct cause_args *num)
620 {
621         struct ast_cdr *cdr = num->chan->cdr;
622
623         switch(cause) {
624         case AST_CAUSE_BUSY:
625                 if (cdr)
626                         ast_cdr_busy(cdr);
627                 num->busy++;
628                 break;
629
630         case AST_CAUSE_CONGESTION:
631                 if (cdr)
632                         ast_cdr_failed(cdr);
633                 num->congestion++;
634                 break;
635
636         case AST_CAUSE_NO_ROUTE_DESTINATION:
637         case AST_CAUSE_UNREGISTERED:
638                 if (cdr)
639                         ast_cdr_failed(cdr);
640                 num->nochan++;
641                 break;
642
643         case AST_CAUSE_NO_ANSWER:
644                 if (cdr) {
645                         ast_cdr_noanswer(cdr);
646                 }
647                 break;
648         case AST_CAUSE_NORMAL_CLEARING:
649                 break;
650
651         default:
652                 num->nochan++;
653                 break;
654         }
655 }
656
657 /* free the buffer if allocated, and set the pointer to the second arg */
658 #define S_REPLACE(s, new_val)           \
659         do {                            \
660                 if (s)                  \
661                         ast_free(s);    \
662                 s = (new_val);          \
663         } while (0)
664
665 static int onedigit_goto(struct ast_channel *chan, const char *context, char exten, int pri)
666 {
667         char rexten[2] = { exten, '\0' };
668
669         if (context) {
670                 if (!ast_goto_if_exists(chan, context, rexten, pri))
671                         return 1;
672         } else {
673                 if (!ast_goto_if_exists(chan, chan->context, rexten, pri))
674                         return 1;
675                 else if (!ast_strlen_zero(chan->macrocontext)) {
676                         if (!ast_goto_if_exists(chan, chan->macrocontext, rexten, pri))
677                                 return 1;
678                 }
679         }
680         return 0;
681 }
682
683 /* do not call with chan lock held */
684 static const char *get_cid_name(char *name, int namelen, struct ast_channel *chan)
685 {
686         const char *context;
687         const char *exten;
688
689         ast_channel_lock(chan);
690         context = ast_strdupa(S_OR(chan->macrocontext, chan->context));
691         exten = ast_strdupa(S_OR(chan->macroexten, chan->exten));
692         ast_channel_unlock(chan);
693
694         return ast_get_hint(NULL, 0, name, namelen, chan, context, exten) ? name : "";
695 }
696
697 static void senddialevent(struct ast_channel *src, struct ast_channel *dst, const char *dialstring)
698 {
699         manager_event(EVENT_FLAG_CALL, "Dial",
700                 "SubEvent: Begin\r\n"
701                 "Channel: %s\r\n"
702                 "Destination: %s\r\n"
703                 "CallerIDNum: %s\r\n"
704                 "CallerIDName: %s\r\n"
705                 "UniqueID: %s\r\n"
706                 "DestUniqueID: %s\r\n"
707                 "Dialstring: %s\r\n",
708                 src->name, dst->name, S_OR(src->cid.cid_num, "<unknown>"),
709                 S_OR(src->cid.cid_name, "<unknown>"), src->uniqueid,
710                 dst->uniqueid, dialstring ? dialstring : "");
711 }
712
713 static void senddialendevent(const struct ast_channel *src, const char *dialstatus)
714 {
715         manager_event(EVENT_FLAG_CALL, "Dial",
716                 "SubEvent: End\r\n"
717                 "Channel: %s\r\n"
718                 "UniqueID: %s\r\n"
719                 "DialStatus: %s\r\n",
720                 src->name, src->uniqueid, dialstatus);
721 }
722
723 /*!
724  * helper function for wait_for_answer()
725  *
726  * XXX this code is highly suspicious, as it essentially overwrites
727  * the outgoing channel without properly deleting it.
728  *
729  * \todo eventually this function should be intergrated into and replaced by ast_call_forward() 
730  */
731 static void do_forward(struct chanlist *o,
732         struct cause_args *num, struct ast_flags64 *peerflags, int single, int *to)
733 {
734         char tmpchan[256];
735         struct ast_channel *original = o->chan;
736         struct ast_channel *c = o->chan; /* the winner */
737         struct ast_channel *in = num->chan; /* the input channel */
738         struct ast_party_redirecting *apr = &o->chan->redirecting;
739         struct ast_party_connected_line *apc = &o->chan->connected;
740         char *stuff;
741         char *tech;
742         int cause;
743
744         ast_copy_string(tmpchan, c->call_forward, sizeof(tmpchan));
745         if ((stuff = strchr(tmpchan, '/'))) {
746                 *stuff++ = '\0';
747                 tech = tmpchan;
748         } else {
749                 const char *forward_context;
750                 ast_channel_lock(c);
751                 forward_context = pbx_builtin_getvar_helper(c, "FORWARD_CONTEXT");
752                 if (ast_strlen_zero(forward_context)) {
753                         forward_context = NULL;
754                 }
755                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", c->call_forward, forward_context ? forward_context : c->context);
756                 ast_channel_unlock(c);
757                 stuff = tmpchan;
758                 tech = "Local";
759         }
760
761         ast_cel_report_event(in, AST_CEL_FORWARD, NULL, c->call_forward, NULL);
762
763         /* Before processing channel, go ahead and check for forwarding */
764         ast_verb(3, "Now forwarding %s to '%s/%s' (thanks to %s)\n", in->name, tech, stuff, c->name);
765         /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
766         if (ast_test_flag64(peerflags, OPT_IGNORE_FORWARDING)) {
767                 ast_verb(3, "Forwarding %s to '%s/%s' prevented.\n", in->name, tech, stuff);
768                 c = o->chan = NULL;
769                 cause = AST_CAUSE_BUSY;
770         } else {
771                 /* Setup parameters */
772                 c = o->chan = ast_request(tech, in->nativeformats, in, stuff, &cause);
773                 if (c) {
774                         if (single)
775                                 ast_channel_make_compatible(o->chan, in);
776                         ast_channel_inherit_variables(in, o->chan);
777                         ast_channel_datastore_inherit(in, o->chan);
778                 } else
779                         ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
780         }
781         if (!c) {
782                 ast_clear_flag64(o, DIAL_STILLGOING);
783                 handle_cause(cause, num);
784                 ast_hangup(original);
785         } else {
786                 if (single) {
787                         ast_rtp_instance_early_bridge_make_compatible(c, in);
788                 }
789
790                 c->cdrflags = in->cdrflags;
791
792                 ast_channel_set_redirecting(c, apr);
793                 ast_channel_lock(c);
794                 while (ast_channel_trylock(in)) {
795                         CHANNEL_DEADLOCK_AVOIDANCE(c);
796                 }
797                 S_REPLACE(c->cid.cid_rdnis, ast_strdup(S_OR(original->cid.cid_rdnis, S_OR(in->macroexten, in->exten))));
798
799                 c->cid.cid_tns = in->cid.cid_tns;
800
801                 if (ast_test_flag64(o, OPT_FORCECLID)) {
802                         S_REPLACE(c->cid.cid_num, ast_strdupa(S_OR(in->macroexten, in->exten)));
803                         S_REPLACE(c->cid.cid_name, NULL);
804                         ast_string_field_set(c, accountcode, c->accountcode);
805                 } else {
806                         ast_party_caller_copy(&c->cid, &in->cid);
807                         ast_string_field_set(c, accountcode, in->accountcode);
808                 }
809                 ast_party_connected_line_copy(&c->connected, apc);
810
811                 S_REPLACE(in->cid.cid_rdnis, ast_strdup(c->cid.cid_rdnis));
812                 ast_channel_update_redirecting(in, apr);
813
814                 ast_clear_flag64(peerflags, OPT_IGNORE_CONNECTEDLINE);
815                 if (ast_test_flag64(peerflags, OPT_CANCEL_TIMEOUT)) {
816                         *to = -1;
817                 }
818
819                 ast_channel_unlock(in);
820                 ast_channel_unlock(c);
821
822                 if (ast_call(c, tmpchan, 0)) {
823                         ast_log(LOG_NOTICE, "Failed to dial on local channel for call forward to '%s'\n", tmpchan);
824                         ast_clear_flag64(o, DIAL_STILLGOING);
825                         ast_hangup(original);
826                         ast_hangup(c);
827                         c = o->chan = NULL;
828                         num->nochan++;
829                 } else {
830                         ast_channel_lock(c);
831                         while (ast_channel_trylock(in)) {
832                                 CHANNEL_DEADLOCK_AVOIDANCE(c);
833                         }
834                         senddialevent(in, c, stuff);
835                         if (!ast_test_flag64(peerflags, OPT_ORIGINAL_CLID)) {
836                                 char cidname[AST_MAX_EXTENSION] = "";
837                                 const char *tmpexten;
838                                 tmpexten = ast_strdupa(S_OR(in->macroexten, in->exten));
839                                 ast_channel_unlock(in);
840                                 ast_channel_unlock(c);
841                                 ast_set_callerid(c, tmpexten, get_cid_name(cidname, sizeof(cidname), in), NULL);
842                         } else {
843                                 ast_channel_unlock(in);
844                                 ast_channel_unlock(c);
845                         }
846                         /* Hangup the original channel now, in case we needed it */
847                         ast_hangup(original);
848                 }
849                 if (single) {
850                         ast_indicate(in, -1);
851                 }
852         }
853 }
854
855 /* argument used for some functions. */
856 struct privacy_args {
857         int sentringing;
858         int privdb_val;
859         char privcid[256];
860         char privintro[1024];
861         char status[256];
862 };
863
864 static struct ast_channel *wait_for_answer(struct ast_channel *in,
865         struct chanlist *outgoing, int *to, struct ast_flags64 *peerflags,
866         struct privacy_args *pa,
867         const struct cause_args *num_in, int *result, char *dtmf_progress)
868 {
869         struct cause_args num = *num_in;
870         int prestart = num.busy + num.congestion + num.nochan;
871         int orig = *to;
872         struct ast_channel *peer = NULL;
873         /* single is set if only one destination is enabled */
874         int single = outgoing && !outgoing->next;
875 #ifdef HAVE_EPOLL
876         struct chanlist *epollo;
877 #endif
878         struct ast_party_connected_line connected_caller;
879         struct ast_str *featurecode = ast_str_alloca(FEATURE_MAX_LEN + 1);
880
881         ast_party_connected_line_init(&connected_caller);
882         if (single) {
883                 /* Turn off hold music, etc */
884                 if (!ast_test_flag64(outgoing, OPT_MUSICBACK | OPT_RINGBACK))
885                         ast_deactivate_generator(in);
886
887                 /* If we are calling a single channel, make them compatible for in-band tone purpose */
888                 ast_channel_make_compatible(outgoing->chan, in);
889
890                 if (!ast_test_flag64(peerflags, OPT_IGNORE_CONNECTEDLINE) && !ast_test_flag64(outgoing, DIAL_NOCONNECTEDLINE)) {
891                         ast_channel_lock(outgoing->chan);
892                         ast_connected_line_copy_from_caller(&connected_caller, &outgoing->chan->cid);
893                         ast_channel_unlock(outgoing->chan);
894                         connected_caller.source = AST_CONNECTED_LINE_UPDATE_SOURCE_ANSWER;
895                         ast_channel_update_connected_line(in, &connected_caller);
896                         ast_party_connected_line_free(&connected_caller);
897                 }
898         }
899
900 #ifdef HAVE_EPOLL
901         for (epollo = outgoing; epollo; epollo = epollo->next)
902                 ast_poll_channel_add(in, epollo->chan);
903 #endif
904
905         while (*to && !peer) {
906                 struct chanlist *o;
907                 int pos = 0; /* how many channels do we handle */
908                 int numlines = prestart;
909                 struct ast_channel *winner;
910                 struct ast_channel *watchers[AST_MAX_WATCHERS];
911
912                 watchers[pos++] = in;
913                 for (o = outgoing; o; o = o->next) {
914                         /* Keep track of important channels */
915                         if (ast_test_flag64(o, DIAL_STILLGOING) && o->chan)
916                                 watchers[pos++] = o->chan;
917                         numlines++;
918                 }
919                 if (pos == 1) { /* only the input channel is available */
920                         if (numlines == (num.busy + num.congestion + num.nochan)) {
921                                 ast_verb(2, "Everyone is busy/congested at this time (%d:%d/%d/%d)\n", numlines, num.busy, num.congestion, num.nochan);
922                                 if (num.busy)
923                                         strcpy(pa->status, "BUSY");
924                                 else if (num.congestion)
925                                         strcpy(pa->status, "CONGESTION");
926                                 else if (num.nochan)
927                                         strcpy(pa->status, "CHANUNAVAIL");
928                         } else {
929                                 ast_verb(3, "No one is available to answer at this time (%d:%d/%d/%d)\n", numlines, num.busy, num.congestion, num.nochan);
930                         }
931                         *to = 0;
932                         return NULL;
933                 }
934                 winner = ast_waitfor_n(watchers, pos, to);
935                 for (o = outgoing; o; o = o->next) {
936                         struct ast_frame *f;
937                         struct ast_channel *c = o->chan;
938
939                         if (c == NULL)
940                                 continue;
941                         if (ast_test_flag64(o, DIAL_STILLGOING) && c->_state == AST_STATE_UP) {
942                                 if (!peer) {
943                                         ast_verb(3, "%s answered %s\n", c->name, in->name);
944                                         if (!single && !ast_test_flag64(peerflags, OPT_IGNORE_CONNECTEDLINE)) {
945                                                 if (o->connected.id.number) {
946                                                         if (ast_channel_connected_line_macro(c, in, &o->connected, 1, 0)) {
947                                                                 ast_channel_update_connected_line(in, &o->connected);
948                                                         }
949                                                 } else if (!ast_test_flag64(o, DIAL_NOCONNECTEDLINE)) {
950                                                         ast_channel_lock(c);
951                                                         ast_connected_line_copy_from_caller(&connected_caller, &c->cid);
952                                                         ast_channel_unlock(c);
953                                                         connected_caller.source = AST_CONNECTED_LINE_UPDATE_SOURCE_ANSWER;
954                                                         ast_channel_update_connected_line(in, &connected_caller);
955                                                         ast_party_connected_line_free(&connected_caller);
956                                                 }
957                                         }
958                                         peer = c;
959                                         ast_copy_flags64(peerflags, o,
960                                                 OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
961                                                 OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
962                                                 OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
963                                                 OPT_CALLEE_PARK | OPT_CALLER_PARK |
964                                                 OPT_CALLEE_MIXMONITOR | OPT_CALLER_MIXMONITOR |
965                                                 DIAL_NOFORWARDHTML);
966                                         ast_string_field_set(c, dialcontext, "");
967                                         ast_copy_string(c->exten, "", sizeof(c->exten));
968                                 }
969                                 continue;
970                         }
971                         if (c != winner)
972                                 continue;
973                         /* here, o->chan == c == winner */
974                         if (!ast_strlen_zero(c->call_forward)) {
975                                 pa->sentringing = 0;
976                                 do_forward(o, &num, peerflags, single, to);
977                                 continue;
978                         }
979                         f = ast_read(winner);
980                         if (!f) {
981                                 in->hangupcause = c->hangupcause;
982 #ifdef HAVE_EPOLL
983                                 ast_poll_channel_del(in, c);
984 #endif
985                                 ast_hangup(c);
986                                 c = o->chan = NULL;
987                                 ast_clear_flag64(o, DIAL_STILLGOING);
988                                 handle_cause(in->hangupcause, &num);
989                                 continue;
990                         }
991                         if (f->frametype == AST_FRAME_CONTROL) {
992                                 switch(f->subclass) {
993                                 case AST_CONTROL_ANSWER:
994                                         /* This is our guy if someone answered. */
995                                         if (!peer) {
996                                                 ast_verb(3, "%s answered %s\n", c->name, in->name);
997                                                 if (!single && !ast_test_flag64(peerflags, OPT_IGNORE_CONNECTEDLINE)) {
998                                                         if (o->connected.id.number) {
999                                                                 if (ast_channel_connected_line_macro(c, in, &o->connected, 1, 0)) {
1000                                                                         ast_channel_update_connected_line(in, &o->connected);
1001                                                                 }
1002                                                         } else if (!ast_test_flag64(o, DIAL_NOCONNECTEDLINE)) {
1003                                                                 ast_channel_lock(c);
1004                                                                 ast_connected_line_copy_from_caller(&connected_caller, &c->cid);
1005                                                                 ast_channel_unlock(c);
1006                                                                 connected_caller.source = AST_CONNECTED_LINE_UPDATE_SOURCE_ANSWER;
1007                                                                 ast_channel_update_connected_line(in, &connected_caller);
1008                                                                 ast_party_connected_line_free(&connected_caller);
1009                                                         }
1010                                                 }
1011                                                 peer = c;
1012                                                 if (peer->cdr) {
1013                                                         peer->cdr->answer = ast_tvnow();
1014                                                         peer->cdr->disposition = AST_CDR_ANSWERED;
1015                                                 }
1016                                                 ast_copy_flags64(peerflags, o,
1017                                                         OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
1018                                                         OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
1019                                                         OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
1020                                                         OPT_CALLEE_PARK | OPT_CALLER_PARK |
1021                                                         OPT_CALLEE_MIXMONITOR | OPT_CALLER_MIXMONITOR |
1022                                                         DIAL_NOFORWARDHTML);
1023                                                 ast_string_field_set(c, dialcontext, "");
1024                                                 ast_copy_string(c->exten, "", sizeof(c->exten));
1025                                                 if (CAN_EARLY_BRIDGE(peerflags, in, peer))
1026                                                         /* Setup early bridge if appropriate */
1027                                                         ast_channel_early_bridge(in, peer);
1028                                         }
1029                                         /* If call has been answered, then the eventual hangup is likely to be normal hangup */
1030                                         in->hangupcause = AST_CAUSE_NORMAL_CLEARING;
1031                                         c->hangupcause = AST_CAUSE_NORMAL_CLEARING;
1032                                         break;
1033                                 case AST_CONTROL_BUSY:
1034                                         ast_verb(3, "%s is busy\n", c->name);
1035                                         in->hangupcause = c->hangupcause;
1036                                         ast_hangup(c);
1037                                         c = o->chan = NULL;
1038                                         ast_clear_flag64(o, DIAL_STILLGOING);
1039                                         handle_cause(AST_CAUSE_BUSY, &num);
1040                                         break;
1041                                 case AST_CONTROL_CONGESTION:
1042                                         ast_verb(3, "%s is circuit-busy\n", c->name);
1043                                         in->hangupcause = c->hangupcause;
1044                                         ast_hangup(c);
1045                                         c = o->chan = NULL;
1046                                         ast_clear_flag64(o, DIAL_STILLGOING);
1047                                         handle_cause(AST_CAUSE_CONGESTION, &num);
1048                                         break;
1049                                 case AST_CONTROL_RINGING:
1050                                         ast_verb(3, "%s is ringing\n", c->name);
1051                                         /* Setup early media if appropriate */
1052                                         if (single && CAN_EARLY_BRIDGE(peerflags, in, c))
1053                                                 ast_channel_early_bridge(in, c);
1054                                         if (!(pa->sentringing) && !ast_test_flag64(outgoing, OPT_MUSICBACK)) {
1055                                                 ast_indicate(in, AST_CONTROL_RINGING);
1056                                                 pa->sentringing++;
1057                                         }
1058                                         break;
1059                                 case AST_CONTROL_PROGRESS:
1060                                         ast_verb(3, "%s is making progress passing it to %s\n", c->name, in->name);
1061                                         /* Setup early media if appropriate */
1062                                         if (single && CAN_EARLY_BRIDGE(peerflags, in, c))
1063                                                 ast_channel_early_bridge(in, c);
1064                                         if (!ast_test_flag64(outgoing, OPT_RINGBACK))
1065                                                 ast_indicate(in, AST_CONTROL_PROGRESS);
1066                                                 if(!ast_strlen_zero(dtmf_progress)) {
1067                                                         ast_verb(3, "Sending DTMF '%s' to the called party as result of receiving a PROGRESS message.\n", dtmf_progress);
1068                                                         ast_dtmf_stream(c, in, dtmf_progress, 250, 0);
1069                                                 }
1070                                         break;
1071                                 case AST_CONTROL_VIDUPDATE:
1072                                         ast_verb(3, "%s requested a video update, passing it to %s\n", c->name, in->name);
1073                                         ast_indicate(in, AST_CONTROL_VIDUPDATE);
1074                                         break;
1075                                 case AST_CONTROL_SRCUPDATE:
1076                                         ast_verb(3, "%s requested a source update, passing it to %s\n", c->name, in->name);
1077                                         ast_indicate(in, AST_CONTROL_SRCUPDATE);
1078                                         break;
1079                                 case AST_CONTROL_CONNECTED_LINE:
1080                                         if (ast_test_flag64(peerflags, OPT_IGNORE_CONNECTEDLINE)) {
1081                                                 ast_verb(3, "Connected line update to %s prevented.\n", in->name);
1082                                         } else if (!single) {
1083                                                 struct ast_party_connected_line connected;
1084                                                 ast_verb(3, "%s connected line has changed. Saving it until answer for %s\n", c->name, in->name);
1085                                                 ast_party_connected_line_set_init(&connected, &o->connected);
1086                                                 ast_connected_line_parse_data(f->data.ptr, f->datalen, &connected);
1087                                                 ast_party_connected_line_set(&o->connected, &connected);
1088                                                 ast_party_connected_line_free(&connected);
1089                                         } else {
1090                                                 if (ast_channel_connected_line_macro(c, in, f, 1, 1)) {
1091                                                         ast_indicate_data(in, AST_CONTROL_CONNECTED_LINE, f->data.ptr, f->datalen);
1092                                                 }
1093                                         }
1094                                         break;
1095                                 case AST_CONTROL_REDIRECTING:
1096                                         if (ast_test_flag64(peerflags, OPT_IGNORE_CONNECTEDLINE)) {
1097                                                 ast_verb(3, "Redirecting update to %s prevented.\n", in->name);
1098                                         } else {
1099                                                 ast_verb(3, "%s redirecting info has changed, passing it to %s\n", c->name, in->name);
1100                                                 ast_indicate_data(in, AST_CONTROL_REDIRECTING, f->data.ptr, f->datalen);
1101                                                 pa->sentringing = 0;
1102                                         }
1103                                         break;
1104                                 case AST_CONTROL_PROCEEDING:
1105                                         ast_verb(3, "%s is proceeding passing it to %s\n", c->name, in->name);
1106                                         if (single && CAN_EARLY_BRIDGE(peerflags, in, c))
1107                                                 ast_channel_early_bridge(in, c);
1108                                         if (!ast_test_flag64(outgoing, OPT_RINGBACK))
1109                                                 ast_indicate(in, AST_CONTROL_PROCEEDING);
1110                                         break;
1111                                 case AST_CONTROL_HOLD:
1112                                         ast_verb(3, "Call on %s placed on hold\n", c->name);
1113                                         ast_indicate(in, AST_CONTROL_HOLD);
1114                                         break;
1115                                 case AST_CONTROL_UNHOLD:
1116                                         ast_verb(3, "Call on %s left from hold\n", c->name);
1117                                         ast_indicate(in, AST_CONTROL_UNHOLD);
1118                                         break;
1119                                 case AST_CONTROL_OFFHOOK:
1120                                 case AST_CONTROL_FLASH:
1121                                         /* Ignore going off hook and flash */
1122                                         break;
1123                                 case -1:
1124                                         if (!ast_test_flag64(outgoing, OPT_RINGBACK | OPT_MUSICBACK)) {
1125                                                 ast_verb(3, "%s stopped sounds\n", c->name);
1126                                                 ast_indicate(in, -1);
1127                                                 pa->sentringing = 0;
1128                                         }
1129                                         break;
1130                                 default:
1131                                         ast_debug(1, "Dunno what to do with control type %d\n", f->subclass);
1132                                 }
1133                         } else if (single) {
1134                                 switch (f->frametype) {
1135                                         case AST_FRAME_VOICE:
1136                                         case AST_FRAME_IMAGE:
1137                                         case AST_FRAME_TEXT:
1138                                                 if (ast_write(in, f)) {
1139                                                         ast_log(LOG_WARNING, "Unable to write frame\n");
1140                                                 }
1141                                                 break;
1142                                         case AST_FRAME_HTML:
1143                                                 if (!ast_test_flag64(outgoing, DIAL_NOFORWARDHTML) && ast_channel_sendhtml(in, f->subclass, f->data.ptr, f->datalen) == -1) {
1144                                                         ast_log(LOG_WARNING, "Unable to send URL\n");
1145                                                 }
1146                                                 break;
1147                                         default:
1148                                                 break;
1149                                 }
1150                         }
1151                         ast_frfree(f);
1152                 } /* end for */
1153                 if (winner == in) {
1154                         struct ast_frame *f = ast_read(in);
1155 #if 0
1156                         if (f && (f->frametype != AST_FRAME_VOICE))
1157                                 printf("Frame type: %d, %d\n", f->frametype, f->subclass);
1158                         else if (!f || (f->frametype != AST_FRAME_VOICE))
1159                                 printf("Hangup received on %s\n", in->name);
1160 #endif
1161                         if (!f || ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP))) {
1162                                 /* Got hung up */
1163                                 *to = -1;
1164                                 strcpy(pa->status, "CANCEL");
1165                                 ast_cdr_noanswer(in->cdr);
1166                                 if (f) {
1167                                         if (f->data.uint32) {
1168                                                 in->hangupcause = f->data.uint32;
1169                                         }
1170                                         ast_frfree(f);
1171                                 }
1172                                 return NULL;
1173                         }
1174
1175                         /* now f is guaranteed non-NULL */
1176                         if (f->frametype == AST_FRAME_DTMF) {
1177                                 if (ast_test_flag64(peerflags, OPT_DTMF_EXIT)) {
1178                                         const char *context;
1179                                         ast_channel_lock(in);
1180                                         context = pbx_builtin_getvar_helper(in, "EXITCONTEXT");
1181                                         if (onedigit_goto(in, context, (char) f->subclass, 1)) {
1182                                                 ast_verb(3, "User hit %c to disconnect call.\n", f->subclass);
1183                                                 *to = 0;
1184                                                 ast_cdr_noanswer(in->cdr);
1185                                                 *result = f->subclass;
1186                                                 strcpy(pa->status, "CANCEL");
1187                                                 ast_frfree(f);
1188                                                 ast_channel_unlock(in);
1189                                                 return NULL;
1190                                         }
1191                                         ast_channel_unlock(in);
1192                                 }
1193
1194                                 if (ast_test_flag64(peerflags, OPT_CALLER_HANGUP) &&
1195                                         detect_disconnect(in, f->subclass, featurecode)) {
1196                                         ast_verb(3, "User requested call disconnect.\n");
1197                                         *to = 0;
1198                                         strcpy(pa->status, "CANCEL");
1199                                         ast_cdr_noanswer(in->cdr);
1200                                         ast_frfree(f);
1201                                         return NULL;
1202                                 }
1203                         }
1204
1205                         /* Forward HTML stuff */
1206                         if (single && (f->frametype == AST_FRAME_HTML) && !ast_test_flag64(outgoing, DIAL_NOFORWARDHTML))
1207                                 if (ast_channel_sendhtml(outgoing->chan, f->subclass, f->data.ptr, f->datalen) == -1)
1208                                         ast_log(LOG_WARNING, "Unable to send URL\n");
1209
1210                         if (single && ((f->frametype == AST_FRAME_VOICE) || (f->frametype == AST_FRAME_DTMF_BEGIN) || (f->frametype == AST_FRAME_DTMF_END)))  {
1211                                 if (ast_write(outgoing->chan, f))
1212                                         ast_log(LOG_WARNING, "Unable to forward voice or dtmf\n");
1213                         }
1214                         if (single && (f->frametype == AST_FRAME_CONTROL)) { 
1215                                 if ((f->subclass == AST_CONTROL_HOLD) ||
1216                                     (f->subclass == AST_CONTROL_UNHOLD) ||
1217                                     (f->subclass == AST_CONTROL_VIDUPDATE) ||
1218                                     (f->subclass == AST_CONTROL_SRCUPDATE) ||
1219                                     (f->subclass == AST_CONTROL_REDIRECTING)) {
1220                                         ast_verb(3, "%s requested special control %d, passing it to %s\n", in->name, f->subclass, outgoing->chan->name);
1221                                         ast_indicate_data(outgoing->chan, f->subclass, f->data.ptr, f->datalen);
1222                                 } else if (f->subclass == AST_CONTROL_CONNECTED_LINE) {
1223                                         if (ast_channel_connected_line_macro(in, outgoing->chan, f, 0, 1)) {
1224                                                 ast_indicate_data(outgoing->chan, f->subclass, f->data.ptr, f->datalen);
1225                                         }
1226                                 }
1227                         }
1228                         ast_frfree(f);
1229                 }
1230                 if (!*to)
1231                         ast_verb(3, "Nobody picked up in %d ms\n", orig);
1232                 if (!*to || ast_check_hangup(in))
1233                         ast_cdr_noanswer(in->cdr);
1234         }
1235
1236 #ifdef HAVE_EPOLL
1237         for (epollo = outgoing; epollo; epollo = epollo->next) {
1238                 if (epollo->chan)
1239                         ast_poll_channel_del(in, epollo->chan);
1240         }
1241 #endif
1242
1243         return peer;
1244 }
1245
1246 static int detect_disconnect(struct ast_channel *chan, char code, struct ast_str *featurecode)
1247 {
1248         struct ast_flags features = { AST_FEATURE_DISCONNECT }; /* only concerned with disconnect feature */
1249         struct ast_call_feature feature = { 0, };
1250         int res;
1251
1252         ast_str_append(&featurecode, 1, "%c", code);
1253
1254         res = ast_feature_detect(chan, &features, ast_str_buffer(featurecode), &feature);
1255
1256         if (res != AST_FEATURE_RETURN_STOREDIGITS) {
1257                 ast_str_reset(featurecode);
1258         }
1259         if (feature.feature_mask & AST_FEATURE_DISCONNECT) {
1260                 return 1;
1261         }
1262
1263         return 0;
1264 }
1265
1266 static void replace_macro_delimiter(char *s)
1267 {
1268         for (; *s; s++)
1269                 if (*s == '^')
1270                         *s = ',';
1271 }
1272
1273 /* returns true if there is a valid privacy reply */
1274 static int valid_priv_reply(struct ast_flags64 *opts, int res)
1275 {
1276         if (res < '1')
1277                 return 0;
1278         if (ast_test_flag64(opts, OPT_PRIVACY) && res <= '5')
1279                 return 1;
1280         if (ast_test_flag64(opts, OPT_SCREENING) && res <= '4')
1281                 return 1;
1282         return 0;
1283 }
1284
1285 static int do_privacy(struct ast_channel *chan, struct ast_channel *peer,
1286         struct ast_flags64 *opts, char **opt_args, struct privacy_args *pa)
1287 {
1288
1289         int res2;
1290         int loopcount = 0;
1291
1292         /* Get the user's intro, store it in priv-callerintros/$CID,
1293            unless it is already there-- this should be done before the
1294            call is actually dialed  */
1295
1296         /* all ring indications and moh for the caller has been halted as soon as the
1297            target extension was picked up. We are going to have to kill some
1298            time and make the caller believe the peer hasn't picked up yet */
1299
1300         if (ast_test_flag64(opts, OPT_MUSICBACK) && !ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
1301                 char *original_moh = ast_strdupa(chan->musicclass);
1302                 ast_indicate(chan, -1);
1303                 ast_string_field_set(chan, musicclass, opt_args[OPT_ARG_MUSICBACK]);
1304                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1305                 ast_string_field_set(chan, musicclass, original_moh);
1306         } else if (ast_test_flag64(opts, OPT_RINGBACK)) {
1307                 ast_indicate(chan, AST_CONTROL_RINGING);
1308                 pa->sentringing++;
1309         }
1310
1311         /* Start autoservice on the other chan ?? */
1312         res2 = ast_autoservice_start(chan);
1313         /* Now Stream the File */
1314         for (loopcount = 0; loopcount < 3; loopcount++) {
1315                 if (res2 && loopcount == 0) /* error in ast_autoservice_start() */
1316                         break;
1317                 if (!res2) /* on timeout, play the message again */
1318                         res2 = ast_play_and_wait(peer, "priv-callpending");
1319                 if (!valid_priv_reply(opts, res2))
1320                         res2 = 0;
1321                 /* priv-callpending script:
1322                    "I have a caller waiting, who introduces themselves as:"
1323                 */
1324                 if (!res2)
1325                         res2 = ast_play_and_wait(peer, pa->privintro);
1326                 if (!valid_priv_reply(opts, res2))
1327                         res2 = 0;
1328                 /* now get input from the called party, as to their choice */
1329                 if (!res2) {
1330                         /* XXX can we have both, or they are mutually exclusive ? */
1331                         if (ast_test_flag64(opts, OPT_PRIVACY))
1332                                 res2 = ast_play_and_wait(peer, "priv-callee-options");
1333                         if (ast_test_flag64(opts, OPT_SCREENING))
1334                                 res2 = ast_play_and_wait(peer, "screen-callee-options");
1335                 }
1336                 /*! \page DialPrivacy Dial Privacy scripts
1337                 \par priv-callee-options script:
1338                         "Dial 1 if you wish this caller to reach you directly in the future,
1339                                 and immediately connect to their incoming call
1340                          Dial 2 if you wish to send this caller to voicemail now and
1341                                 forevermore.
1342                          Dial 3 to send this caller to the torture menus, now and forevermore.
1343                          Dial 4 to send this caller to a simple "go away" menu, now and forevermore.
1344                          Dial 5 to allow this caller to come straight thru to you in the future,
1345                                 but right now, just this once, send them to voicemail."
1346                 \par screen-callee-options script:
1347                         "Dial 1 if you wish to immediately connect to the incoming call
1348                          Dial 2 if you wish to send this caller to voicemail.
1349                          Dial 3 to send this caller to the torture menus.
1350                          Dial 4 to send this caller to a simple "go away" menu.
1351                 */
1352                 if (valid_priv_reply(opts, res2))
1353                         break;
1354                 /* invalid option */
1355                 res2 = ast_play_and_wait(peer, "vm-sorry");
1356         }
1357
1358         if (ast_test_flag64(opts, OPT_MUSICBACK)) {
1359                 ast_moh_stop(chan);
1360         } else if (ast_test_flag64(opts, OPT_RINGBACK)) {
1361                 ast_indicate(chan, -1);
1362                 pa->sentringing = 0;
1363         }
1364         ast_autoservice_stop(chan);
1365         if (ast_test_flag64(opts, OPT_PRIVACY) && (res2 >= '1' && res2 <= '5')) {
1366                 /* map keypresses to various things, the index is res2 - '1' */
1367                 static const char * const _val[] = { "ALLOW", "DENY", "TORTURE", "KILL", "ALLOW" };
1368                 static const int _flag[] = { AST_PRIVACY_ALLOW, AST_PRIVACY_DENY, AST_PRIVACY_TORTURE, AST_PRIVACY_KILL, AST_PRIVACY_ALLOW};
1369                 int i = res2 - '1';
1370                 ast_verb(3, "--Set privacy database entry %s/%s to %s\n",
1371                         opt_args[OPT_ARG_PRIVACY], pa->privcid, _val[i]);
1372                 ast_privacy_set(opt_args[OPT_ARG_PRIVACY], pa->privcid, _flag[i]);
1373         }
1374         switch (res2) {
1375         case '1':
1376                 break;
1377         case '2':
1378                 ast_copy_string(pa->status, "NOANSWER", sizeof(pa->status));
1379                 break;
1380         case '3':
1381                 ast_copy_string(pa->status, "TORTURE", sizeof(pa->status));
1382                 break;
1383         case '4':
1384                 ast_copy_string(pa->status, "DONTCALL", sizeof(pa->status));
1385                 break;
1386         case '5':
1387                 /* XXX should we set status to DENY ? */
1388                 if (ast_test_flag64(opts, OPT_PRIVACY))
1389                         break;
1390                 /* if not privacy, then 5 is the same as "default" case */
1391         default: /* bad input or -1 if failure to start autoservice */
1392                 /* well, if the user messes up, ... he had his chance... What Is The Best Thing To Do?  */
1393                 /* well, there seems basically two choices. Just patch the caller thru immediately,
1394                           or,... put 'em thru to voicemail. */
1395                 /* since the callee may have hung up, let's do the voicemail thing, no database decision */
1396                 ast_log(LOG_NOTICE, "privacy: no valid response from the callee. Sending the caller to voicemail, the callee isn't responding\n");
1397                 /* XXX should we set status to DENY ? */
1398                 /* XXX what about the privacy flags ? */
1399                 break;
1400         }
1401
1402         if (res2 == '1') { /* the only case where we actually connect */
1403                 /* if the intro is NOCALLERID, then there's no reason to leave it on disk, it'll
1404                    just clog things up, and it's not useful information, not being tied to a CID */
1405                 if (strncmp(pa->privcid, "NOCALLERID", 10) == 0 || ast_test_flag64(opts, OPT_SCREEN_NOINTRO)) {
1406                         ast_filedelete(pa->privintro, NULL);
1407                         if (ast_fileexists(pa->privintro, NULL, NULL) > 0)
1408                                 ast_log(LOG_NOTICE, "privacy: ast_filedelete didn't do its job on %s\n", pa->privintro);
1409                         else
1410                                 ast_verb(3, "Successfully deleted %s intro file\n", pa->privintro);
1411                 }
1412                 return 0; /* the good exit path */
1413         } else {
1414                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1415                 return -1;
1416         }
1417 }
1418
1419 /*! \brief returns 1 if successful, 0 or <0 if the caller should 'goto out' */
1420 static int setup_privacy_args(struct privacy_args *pa,
1421         struct ast_flags64 *opts, char *opt_args[], struct ast_channel *chan)
1422 {
1423         char callerid[60];
1424         int res;
1425         char *l;
1426         int silencethreshold;
1427
1428         if (!ast_strlen_zero(chan->cid.cid_num)) {
1429                 l = ast_strdupa(chan->cid.cid_num);
1430                 ast_shrink_phone_number(l);
1431                 if (ast_test_flag64(opts, OPT_PRIVACY) ) {
1432                         ast_verb(3, "Privacy DB is '%s', clid is '%s'\n", opt_args[OPT_ARG_PRIVACY], l);
1433                         pa->privdb_val = ast_privacy_check(opt_args[OPT_ARG_PRIVACY], l);
1434                 } else {
1435                         ast_verb(3, "Privacy Screening, clid is '%s'\n", l);
1436                         pa->privdb_val = AST_PRIVACY_UNKNOWN;
1437                 }
1438         } else {
1439                 char *tnam, *tn2;
1440
1441                 tnam = ast_strdupa(chan->name);
1442                 /* clean the channel name so slashes don't try to end up in disk file name */
1443                 for (tn2 = tnam; *tn2; tn2++) {
1444                         if (*tn2 == '/')  /* any other chars to be afraid of? */
1445                                 *tn2 = '=';
1446                 }
1447                 ast_verb(3, "Privacy-- callerid is empty\n");
1448
1449                 snprintf(callerid, sizeof(callerid), "NOCALLERID_%s%s", chan->exten, tnam);
1450                 l = callerid;
1451                 pa->privdb_val = AST_PRIVACY_UNKNOWN;
1452         }
1453
1454         ast_copy_string(pa->privcid, l, sizeof(pa->privcid));
1455
1456         if (strncmp(pa->privcid, "NOCALLERID", 10) != 0 && ast_test_flag64(opts, OPT_SCREEN_NOCALLERID)) {
1457                 /* if callerid is set and OPT_SCREEN_NOCALLERID is set also */
1458                 ast_verb(3, "CallerID set (%s); N option set; Screening should be off\n", pa->privcid);
1459                 pa->privdb_val = AST_PRIVACY_ALLOW;
1460         } else if (ast_test_flag64(opts, OPT_SCREEN_NOCALLERID) && strncmp(pa->privcid, "NOCALLERID", 10) == 0) {
1461                 ast_verb(3, "CallerID blank; N option set; Screening should happen; dbval is %d\n", pa->privdb_val);
1462         }
1463         
1464         if (pa->privdb_val == AST_PRIVACY_DENY) {
1465                 ast_verb(3, "Privacy DB reports PRIVACY_DENY for this callerid. Dial reports unavailable\n");
1466                 ast_copy_string(pa->status, "NOANSWER", sizeof(pa->status));
1467                 return 0;
1468         } else if (pa->privdb_val == AST_PRIVACY_KILL) {
1469                 ast_copy_string(pa->status, "DONTCALL", sizeof(pa->status));
1470                 return 0; /* Is this right? */
1471         } else if (pa->privdb_val == AST_PRIVACY_TORTURE) {
1472                 ast_copy_string(pa->status, "TORTURE", sizeof(pa->status));
1473                 return 0; /* is this right??? */
1474         } else if (pa->privdb_val == AST_PRIVACY_UNKNOWN) {
1475                 /* Get the user's intro, store it in priv-callerintros/$CID,
1476                    unless it is already there-- this should be done before the
1477                    call is actually dialed  */
1478
1479                 /* make sure the priv-callerintros dir actually exists */
1480                 snprintf(pa->privintro, sizeof(pa->privintro), "%s/sounds/priv-callerintros", ast_config_AST_DATA_DIR);
1481                 if ((res = ast_mkdir(pa->privintro, 0755))) {
1482                         ast_log(LOG_WARNING, "privacy: can't create directory priv-callerintros: %s\n", strerror(res));
1483                         return -1;
1484                 }
1485
1486                 snprintf(pa->privintro, sizeof(pa->privintro), "priv-callerintros/%s", pa->privcid);
1487                 if (ast_fileexists(pa->privintro, NULL, NULL ) > 0 && strncmp(pa->privcid, "NOCALLERID", 10) != 0) {
1488                         /* the DELUX version of this code would allow this caller the
1489                            option to hear and retape their previously recorded intro.
1490                         */
1491                 } else {
1492                         int duration; /* for feedback from play_and_wait */
1493                         /* the file doesn't exist yet. Let the caller submit his
1494                            vocal intro for posterity */
1495                         /* priv-recordintro script:
1496
1497                            "At the tone, please say your name:"
1498
1499                         */
1500                         silencethreshold = ast_dsp_get_threshold_from_settings(THRESHOLD_SILENCE);
1501                         ast_answer(chan);
1502                         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 */
1503                                                                         /* don't think we'll need a lock removed, we took care of
1504                                                                            conflicts by naming the pa.privintro file */
1505                         if (res == -1) {
1506                                 /* Delete the file regardless since they hung up during recording */
1507                                 ast_filedelete(pa->privintro, NULL);
1508                                 if (ast_fileexists(pa->privintro, NULL, NULL) > 0)
1509                                         ast_log(LOG_NOTICE, "privacy: ast_filedelete didn't do its job on %s\n", pa->privintro);
1510                                 else
1511                                         ast_verb(3, "Successfully deleted %s intro file\n", pa->privintro);
1512                                 return -1;
1513                         }
1514                         if (!ast_streamfile(chan, "vm-dialout", chan->language) )
1515                                 ast_waitstream(chan, "");
1516                 }
1517         }
1518         return 1; /* success */
1519 }
1520
1521 static void end_bridge_callback(void *data)
1522 {
1523         char buf[80];
1524         time_t end;
1525         struct ast_channel *chan = data;
1526
1527         if (!chan->cdr) {
1528                 return;
1529         }
1530
1531         time(&end);
1532
1533         ast_channel_lock(chan);
1534         if (chan->cdr->answer.tv_sec) {
1535                 snprintf(buf, sizeof(buf), "%ld", end - chan->cdr->answer.tv_sec);
1536                 pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", buf);
1537         }
1538
1539         if (chan->cdr->start.tv_sec) {
1540                 snprintf(buf, sizeof(buf), "%ld", end - chan->cdr->start.tv_sec);
1541                 pbx_builtin_setvar_helper(chan, "DIALEDTIME", buf);
1542         }
1543         ast_channel_unlock(chan);
1544 }
1545
1546 static void end_bridge_callback_data_fixup(struct ast_bridge_config *bconfig, struct ast_channel *originator, struct ast_channel *terminator) {
1547         bconfig->end_bridge_callback_data = originator;
1548 }
1549
1550 static int dial_exec_full(struct ast_channel *chan, const char *data, struct ast_flags64 *peerflags, int *continue_exec)
1551 {
1552         int res = -1; /* default: error */
1553         char *rest, *cur; /* scan the list of destinations */
1554         struct chanlist *outgoing = NULL; /* list of destinations */
1555         struct ast_channel *peer;
1556         int to; /* timeout */
1557         struct cause_args num = { chan, 0, 0, 0 };
1558         int cause;
1559         char numsubst[256];
1560         char cidname[AST_MAX_EXTENSION] = "";
1561
1562         struct ast_bridge_config config = { { 0, } };
1563         struct timeval calldurationlimit = { 0, };
1564         char *dtmfcalled = NULL, *dtmfcalling = NULL, *dtmf_progress=NULL;
1565         struct privacy_args pa = {
1566                 .sentringing = 0,
1567                 .privdb_val = 0,
1568                 .status = "INVALIDARGS",
1569         };
1570         int sentringing = 0, moh = 0;
1571         const char *outbound_group = NULL;
1572         int result = 0;
1573         char *parse;
1574         int opermode = 0;
1575         AST_DECLARE_APP_ARGS(args,
1576                 AST_APP_ARG(peers);
1577                 AST_APP_ARG(timeout);
1578                 AST_APP_ARG(options);
1579                 AST_APP_ARG(url);
1580         );
1581         struct ast_flags64 opts = { 0, };
1582         char *opt_args[OPT_ARG_ARRAY_SIZE];
1583         struct ast_datastore *datastore = NULL;
1584         int fulldial = 0, num_dialed = 0;
1585
1586         /* Reset all DIAL variables back to blank, to prevent confusion (in case we don't reset all of them). */
1587         pbx_builtin_setvar_helper(chan, "DIALSTATUS", "");
1588         pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", "");
1589         pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", "");
1590         pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", "");
1591         pbx_builtin_setvar_helper(chan, "DIALEDTIME", "");
1592
1593         if (ast_strlen_zero(data)) {
1594                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
1595                 pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1596                 return -1;
1597         }
1598
1599         parse = ast_strdupa(data);
1600
1601         AST_STANDARD_APP_ARGS(args, parse);
1602
1603         if (!ast_strlen_zero(args.options) &&
1604                 ast_app_parse_options64(dial_exec_options, &opts, opt_args, args.options)) {
1605                 pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1606                 goto done;
1607         }
1608
1609         if (ast_strlen_zero(args.peers)) {
1610                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
1611                 pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1612                 goto done;
1613         }
1614
1615         if (ast_test_flag64(&opts, OPT_OPERMODE)) {
1616                 opermode = ast_strlen_zero(opt_args[OPT_ARG_OPERMODE]) ? 1 : atoi(opt_args[OPT_ARG_OPERMODE]);
1617                 ast_verb(3, "Setting operator services mode to %d.\n", opermode);
1618         }
1619
1620         if (ast_test_flag64(&opts, OPT_DURATION_STOP) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_STOP])) {
1621                 calldurationlimit.tv_sec = atoi(opt_args[OPT_ARG_DURATION_STOP]);
1622                 if (!calldurationlimit.tv_sec) {
1623                         ast_log(LOG_WARNING, "Dial does not accept S(%s), hanging up.\n", opt_args[OPT_ARG_DURATION_STOP]);
1624                         pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1625                         goto done;
1626                 }
1627                 ast_verb(3, "Setting call duration limit to %.3lf seconds.\n", calldurationlimit.tv_sec + calldurationlimit.tv_usec / 1000000.0);
1628         }
1629
1630         if (ast_test_flag64(&opts, OPT_SENDDTMF) && !ast_strlen_zero(opt_args[OPT_ARG_SENDDTMF])) {
1631                 dtmf_progress = opt_args[OPT_ARG_SENDDTMF];
1632                 dtmfcalled = strsep(&dtmf_progress, ":");
1633                 dtmfcalling = strsep(&dtmf_progress, ":");
1634         }
1635
1636         if (ast_test_flag64(&opts, OPT_DURATION_LIMIT) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_LIMIT])) {
1637                 if (ast_bridge_timelimit(chan, &config, opt_args[OPT_ARG_DURATION_LIMIT], &calldurationlimit))
1638                         goto done;
1639         }
1640
1641         if (ast_test_flag64(&opts, OPT_RESETCDR) && chan->cdr)
1642                 ast_cdr_reset(chan->cdr, NULL);
1643         if (ast_test_flag64(&opts, OPT_PRIVACY) && ast_strlen_zero(opt_args[OPT_ARG_PRIVACY]))
1644                 opt_args[OPT_ARG_PRIVACY] = ast_strdupa(chan->exten);
1645
1646         if (ast_test_flag64(&opts, OPT_PRIVACY) || ast_test_flag64(&opts, OPT_SCREENING)) {
1647                 res = setup_privacy_args(&pa, &opts, opt_args, chan);
1648                 if (res <= 0)
1649                         goto out;
1650                 res = -1; /* reset default */
1651         }
1652
1653         if (ast_test_flag64(&opts, OPT_DTMF_EXIT) || ast_test_flag64(&opts, OPT_CALLER_HANGUP)) {
1654                 __ast_answer(chan, 0, 0);
1655         }
1656
1657         if (continue_exec)
1658                 *continue_exec = 0;
1659
1660         /* If a channel group has been specified, get it for use when we create peer channels */
1661
1662         ast_channel_lock(chan);
1663         if ((outbound_group = pbx_builtin_getvar_helper(chan, "OUTBOUND_GROUP_ONCE"))) {
1664                 outbound_group = ast_strdupa(outbound_group);   
1665                 pbx_builtin_setvar_helper(chan, "OUTBOUND_GROUP_ONCE", NULL);
1666         } else if ((outbound_group = pbx_builtin_getvar_helper(chan, "OUTBOUND_GROUP"))) {
1667                 outbound_group = ast_strdupa(outbound_group);
1668         }
1669         ast_channel_unlock(chan);       
1670         ast_copy_flags64(peerflags, &opts, OPT_DTMF_EXIT | OPT_GO_ON | OPT_ORIGINAL_CLID | OPT_CALLER_HANGUP | OPT_IGNORE_FORWARDING | OPT_IGNORE_CONNECTEDLINE | OPT_CANCEL_TIMEOUT);
1671
1672         /* loop through the list of dial destinations */
1673         rest = args.peers;
1674         while ((cur = strsep(&rest, "&")) ) {
1675                 struct chanlist *tmp;
1676                 struct ast_channel *tc; /* channel for this destination */
1677                 /* Get a technology/[device:]number pair */
1678                 char *number = cur;
1679                 char *interface = ast_strdupa(number);
1680                 char *tech = strsep(&number, "/");
1681                 /* find if we already dialed this interface */
1682                 struct ast_dialed_interface *di;
1683                 AST_LIST_HEAD(, ast_dialed_interface) *dialed_interfaces;
1684                 num_dialed++;
1685                 if (!number) {
1686                         ast_log(LOG_WARNING, "Dial argument takes format (technology/[device:]number1)\n");
1687                         goto out;
1688                 }
1689                 if (!(tmp = ast_calloc(1, sizeof(*tmp))))
1690                         goto out;
1691                 if (opts.flags) {
1692                         ast_copy_flags64(tmp, &opts,
1693                                 OPT_CANCEL_ELSEWHERE |
1694                                 OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
1695                                 OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
1696                                 OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
1697                                 OPT_CALLEE_PARK | OPT_CALLER_PARK |
1698                                 OPT_CALLEE_MIXMONITOR | OPT_CALLER_MIXMONITOR |
1699                                 OPT_RINGBACK | OPT_MUSICBACK | OPT_FORCECLID);
1700                         ast_set2_flag64(tmp, args.url, DIAL_NOFORWARDHTML);
1701                 }
1702                 ast_copy_string(numsubst, number, sizeof(numsubst));
1703                 /* Request the peer */
1704
1705                 ast_channel_lock(chan);
1706                 datastore = ast_channel_datastore_find(chan, &dialed_interface_info, NULL);
1707                 /* If the incoming channel has previously had connected line information
1708                  * set on it (perhaps through the CONNECTED_LINE dialplan function) then
1709                  * seed the calllist's connected line information with this previously
1710                  * acquired info
1711                  */
1712                 if (chan->connected.id.number) {
1713                         ast_party_connected_line_copy(&tmp->connected, &chan->connected);
1714                 }
1715                 ast_channel_unlock(chan);
1716
1717                 if (datastore)
1718                         dialed_interfaces = datastore->data;
1719                 else {
1720                         if (!(datastore = ast_datastore_alloc(&dialed_interface_info, NULL))) {
1721                                 ast_log(LOG_WARNING, "Unable to create channel datastore for dialed interfaces. Aborting!\n");
1722                                 ast_free(tmp);
1723                                 goto out;
1724                         }
1725
1726                         datastore->inheritance = DATASTORE_INHERIT_FOREVER;
1727
1728                         if (!(dialed_interfaces = ast_calloc(1, sizeof(*dialed_interfaces)))) {
1729                                 ast_free(tmp);
1730                                 goto out;
1731                         }
1732
1733                         datastore->data = dialed_interfaces;
1734                         AST_LIST_HEAD_INIT(dialed_interfaces);
1735
1736                         ast_channel_lock(chan);
1737                         ast_channel_datastore_add(chan, datastore);
1738                         ast_channel_unlock(chan);
1739                 }
1740
1741                 AST_LIST_LOCK(dialed_interfaces);
1742                 AST_LIST_TRAVERSE(dialed_interfaces, di, list) {
1743                         if (!strcasecmp(di->interface, interface)) {
1744                                 ast_log(LOG_WARNING, "Skipping dialing interface '%s' again since it has already been dialed\n",
1745                                         di->interface);
1746                                 break;
1747                         }
1748                 }
1749                 AST_LIST_UNLOCK(dialed_interfaces);
1750
1751                 if (di) {
1752                         fulldial++;
1753                         ast_free(tmp);
1754                         continue;
1755                 }
1756
1757                 /* It is always ok to dial a Local interface.  We only keep track of
1758                  * which "real" interfaces have been dialed.  The Local channel will
1759                  * inherit this list so that if it ends up dialing a real interface,
1760                  * it won't call one that has already been called. */
1761                 if (strcasecmp(tech, "Local")) {
1762                         if (!(di = ast_calloc(1, sizeof(*di) + strlen(interface)))) {
1763                                 AST_LIST_UNLOCK(dialed_interfaces);
1764                                 ast_free(tmp);
1765                                 goto out;
1766                         }
1767                         strcpy(di->interface, interface);
1768
1769                         AST_LIST_LOCK(dialed_interfaces);
1770                         AST_LIST_INSERT_TAIL(dialed_interfaces, di, list);
1771                         AST_LIST_UNLOCK(dialed_interfaces);
1772                 }
1773
1774                 tc = ast_request(tech, chan->nativeformats, chan, numsubst, &cause);
1775                 if (!tc) {
1776                         /* If we can't, just go on to the next call */
1777                         ast_log(LOG_WARNING, "Unable to create channel of type '%s' (cause %d - %s)\n",
1778                                 tech, cause, ast_cause2str(cause));
1779                         handle_cause(cause, &num);
1780                         if (!rest) /* we are on the last destination */
1781                                 chan->hangupcause = cause;
1782                         ast_free(tmp);
1783                         continue;
1784                 }
1785                 pbx_builtin_setvar_helper(tc, "DIALEDPEERNUMBER", numsubst);
1786
1787                 ast_channel_lock(tc);
1788                 while (ast_channel_trylock(chan)) {
1789                         CHANNEL_DEADLOCK_AVOIDANCE(tc);
1790                 }
1791                 /* Setup outgoing SDP to match incoming one */
1792                 if (!outgoing && !rest) {
1793                         ast_rtp_instance_early_bridge_make_compatible(tc, chan);
1794                 }
1795                 
1796                 /* Inherit specially named variables from parent channel */
1797                 ast_channel_inherit_variables(chan, tc);
1798                 ast_channel_datastore_inherit(chan, tc);
1799
1800                 tc->appl = "AppDial";
1801                 tc->data = "(Outgoing Line)";
1802                 memset(&tc->whentohangup, 0, sizeof(tc->whentohangup));
1803
1804                 /* If the new channel has no callerid, try to guess what it should be */
1805                 if (ast_strlen_zero(tc->cid.cid_num)) {
1806                         if (!ast_strlen_zero(chan->connected.id.number)) {
1807                                 ast_set_callerid(tc, chan->connected.id.number, chan->connected.id.name, chan->connected.ani);
1808                         } else if (!ast_strlen_zero(chan->cid.cid_dnid)) {
1809                                 ast_set_callerid(tc, chan->cid.cid_dnid, NULL, NULL);
1810                         } else if (!ast_strlen_zero(S_OR(chan->macroexten, chan->exten))) {
1811                                 ast_set_callerid(tc, S_OR(chan->macroexten, chan->exten), NULL, NULL);
1812                         }
1813                         ast_set_flag64(tmp, DIAL_NOCONNECTEDLINE);
1814                 }
1815                 
1816                 ast_connected_line_copy_from_caller(&tc->connected, &chan->cid);
1817
1818                 S_REPLACE(tc->cid.cid_rdnis, ast_strdup(chan->cid.cid_rdnis));
1819                 ast_party_redirecting_copy(&tc->redirecting, &chan->redirecting);
1820
1821                 tc->cid.cid_tns = chan->cid.cid_tns;
1822
1823                 if (!ast_strlen_zero(chan->accountcode)) {
1824                         ast_string_field_set(tc, peeraccount, chan->accountcode);
1825                 }
1826                 tc->cdrflags = chan->cdrflags;
1827                 if (ast_strlen_zero(tc->musicclass))
1828                         ast_string_field_set(tc, musicclass, chan->musicclass);
1829
1830                 /* Pass ADSI CPE and transfer capability */
1831                 tc->adsicpe = chan->adsicpe;
1832                 tc->transfercapability = chan->transfercapability;
1833
1834                 /* If we have an outbound group, set this peer channel to it */
1835                 if (outbound_group)
1836                         ast_app_group_set_channel(tc, outbound_group);
1837                 /* If the calling channel has the ANSWERED_ELSEWHERE flag set, inherit it. This is to support local channels */
1838                 if (ast_test_flag(chan, AST_FLAG_ANSWERED_ELSEWHERE))
1839                         ast_set_flag(tc, AST_FLAG_ANSWERED_ELSEWHERE);
1840
1841                 /* Check if we're forced by configuration */
1842                 if (ast_test_flag64(&opts, OPT_CANCEL_ELSEWHERE))
1843                          ast_set_flag(tc, AST_FLAG_ANSWERED_ELSEWHERE);
1844
1845
1846                 /* Inherit context and extension */
1847                 ast_string_field_set(tc, dialcontext, ast_strlen_zero(chan->macrocontext) ? chan->context : chan->macrocontext);
1848                 if (!ast_strlen_zero(chan->macroexten))
1849                         ast_copy_string(tc->exten, chan->macroexten, sizeof(tc->exten));
1850                 else
1851                         ast_copy_string(tc->exten, chan->exten, sizeof(tc->exten));
1852
1853                 ast_channel_unlock(tc);
1854                 res = ast_call(tc, numsubst, 0); /* Place the call, but don't wait on the answer */
1855
1856                 /* Save the info in cdr's that we called them */
1857                 if (chan->cdr)
1858                         ast_cdr_setdestchan(chan->cdr, tc->name);
1859
1860                 /* check the results of ast_call */
1861                 if (res) {
1862                         /* Again, keep going even if there's an error */
1863                         ast_debug(1, "ast call on peer returned %d\n", res);
1864                         ast_verb(3, "Couldn't call %s\n", numsubst);
1865                         if (tc->hangupcause) {
1866                                 chan->hangupcause = tc->hangupcause;
1867                         }
1868                         ast_channel_unlock(chan);
1869                         ast_hangup(tc);
1870                         tc = NULL;
1871                         ast_free(tmp);
1872                         continue;
1873                 } else {
1874                         const char *tmpexten = ast_strdupa(S_OR(chan->macroexten, chan->exten));
1875                         senddialevent(chan, tc, numsubst);
1876                         ast_verb(3, "Called %s\n", numsubst);
1877                         ast_channel_unlock(chan);
1878                         if (!ast_test_flag64(peerflags, OPT_ORIGINAL_CLID)) {
1879                                 ast_set_callerid(tc, tmpexten, get_cid_name(cidname, sizeof(cidname), chan), NULL);
1880                         }
1881                 }
1882                 /* Put them in the list of outgoing thingies...  We're ready now.
1883                    XXX If we're forcibly removed, these outgoing calls won't get
1884                    hung up XXX */
1885                 ast_set_flag64(tmp, DIAL_STILLGOING);
1886                 tmp->chan = tc;
1887                 tmp->next = outgoing;
1888                 outgoing = tmp;
1889                 /* If this line is up, don't try anybody else */
1890                 if (outgoing->chan->_state == AST_STATE_UP)
1891                         break;
1892         }
1893         
1894         if (ast_strlen_zero(args.timeout)) {
1895                 to = -1;
1896         } else {
1897                 to = atoi(args.timeout);
1898                 if (to > 0)
1899                         to *= 1000;
1900                 else {
1901                         ast_log(LOG_WARNING, "Invalid timeout specified: '%s'. Setting timeout to infinite\n", args.timeout);
1902                         to = -1;
1903                 }
1904         }
1905
1906         if (!outgoing) {
1907                 strcpy(pa.status, "CHANUNAVAIL");
1908                 if (fulldial == num_dialed) {
1909                         res = -1;
1910                         goto out;
1911                 }
1912         } else {
1913                 /* Our status will at least be NOANSWER */
1914                 strcpy(pa.status, "NOANSWER");
1915                 if (ast_test_flag64(outgoing, OPT_MUSICBACK)) {
1916                         moh = 1;
1917                         if (!ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
1918                                 char *original_moh = ast_strdupa(chan->musicclass);
1919                                 ast_string_field_set(chan, musicclass, opt_args[OPT_ARG_MUSICBACK]);
1920                                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1921                                 ast_string_field_set(chan, musicclass, original_moh);
1922                         } else {
1923                                 ast_moh_start(chan, NULL, NULL);
1924                         }
1925                         ast_indicate(chan, AST_CONTROL_PROGRESS);
1926                 } else if (ast_test_flag64(outgoing, OPT_RINGBACK)) {
1927                         ast_indicate(chan, AST_CONTROL_RINGING);
1928                         sentringing++;
1929                 }
1930         }
1931
1932         peer = wait_for_answer(chan, outgoing, &to, peerflags, &pa, &num, &result, dtmf_progress);
1933
1934         /* The ast_channel_datastore_remove() function could fail here if the
1935          * datastore was moved to another channel during a masquerade. If this is
1936          * the case, don't free the datastore here because later, when the channel
1937          * to which the datastore was moved hangs up, it will attempt to free this
1938          * datastore again, causing a crash
1939          */
1940         if (!ast_channel_datastore_remove(chan, datastore))
1941                 ast_datastore_free(datastore);
1942         if (!peer) {
1943                 if (result) {
1944                         res = result;
1945                 } else if (to) { /* Musta gotten hung up */
1946                         res = -1;
1947                 } else { /* Nobody answered, next please? */
1948                         res = 0;
1949                 }
1950
1951                 /* SIP, in particular, sends back this error code to indicate an
1952                  * overlap dialled number needs more digits. */
1953                 if (chan->hangupcause == AST_CAUSE_INVALID_NUMBER_FORMAT) {
1954                         res = AST_PBX_INCOMPLETE;
1955                 }
1956
1957                 /* almost done, although the 'else' block is 400 lines */
1958         } else {
1959                 const char *number;
1960
1961                 strcpy(pa.status, "ANSWER");
1962                 pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1963                 /* Ah ha!  Someone answered within the desired timeframe.  Of course after this
1964                    we will always return with -1 so that it is hung up properly after the
1965                    conversation.  */
1966                 hanguptree(outgoing, peer, 1);
1967                 outgoing = NULL;
1968                 /* If appropriate, log that we have a destination channel */
1969                 if (chan->cdr)
1970                         ast_cdr_setdestchan(chan->cdr, peer->name);
1971                 if (peer->name)
1972                         pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", peer->name);
1973                 
1974                 ast_channel_lock(peer);
1975                 number = pbx_builtin_getvar_helper(peer, "DIALEDPEERNUMBER"); 
1976                 if (!number)
1977                         number = numsubst;
1978                 pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", number);
1979                 ast_channel_unlock(peer);
1980
1981                 if (!ast_strlen_zero(args.url) && ast_channel_supports_html(peer) ) {
1982                         ast_debug(1, "app_dial: sendurl=%s.\n", args.url);
1983                         ast_channel_sendurl( peer, args.url );
1984                 }
1985                 if ( (ast_test_flag64(&opts, OPT_PRIVACY) || ast_test_flag64(&opts, OPT_SCREENING)) && pa.privdb_val == AST_PRIVACY_UNKNOWN) {
1986                         if (do_privacy(chan, peer, &opts, opt_args, &pa)) {
1987                                 res = 0;
1988                                 goto out;
1989                         }
1990                 }
1991                 if (!ast_test_flag64(&opts, OPT_ANNOUNCE) || ast_strlen_zero(opt_args[OPT_ARG_ANNOUNCE])) {
1992                         res = 0;
1993                 } else {
1994                         int digit = 0;
1995                         /* Start autoservice on the other chan */
1996                         res = ast_autoservice_start(chan);
1997                         /* Now Stream the File */
1998                         if (!res)
1999                                 res = ast_streamfile(peer, opt_args[OPT_ARG_ANNOUNCE], peer->language);
2000                         if (!res) {
2001                                 digit = ast_waitstream(peer, AST_DIGIT_ANY);
2002                         }
2003                         /* Ok, done. stop autoservice */
2004                         res = ast_autoservice_stop(chan);
2005                         if (digit > 0 && !res)
2006                                 res = ast_senddigit(chan, digit, 0);
2007                         else
2008                                 res = digit;
2009
2010                 }
2011
2012                 if (chan && peer && ast_test_flag64(&opts, OPT_GOTO) && !ast_strlen_zero(opt_args[OPT_ARG_GOTO])) {
2013                         replace_macro_delimiter(opt_args[OPT_ARG_GOTO]);
2014                         ast_parseable_goto(chan, opt_args[OPT_ARG_GOTO]);
2015                         /* peer goes to the same context and extension as chan, so just copy info from chan*/
2016                         ast_copy_string(peer->context, chan->context, sizeof(peer->context));
2017                         ast_copy_string(peer->exten, chan->exten, sizeof(peer->exten));
2018                         peer->priority = chan->priority + 2;
2019                         ast_pbx_start(peer);
2020                         hanguptree(outgoing, NULL, ast_test_flag64(&opts, OPT_CANCEL_ELSEWHERE) ? 1 : 0);
2021                         if (continue_exec)
2022                                 *continue_exec = 1;
2023                         res = 0;
2024                         goto done;
2025                 }
2026
2027                 if (ast_test_flag64(&opts, OPT_CALLEE_MACRO) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_MACRO])) {
2028                         struct ast_app *theapp;
2029                         const char *macro_result;
2030
2031                         res = ast_autoservice_start(chan);
2032                         if (res) {
2033                                 ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
2034                                 res = -1;
2035                         }
2036
2037                         theapp = pbx_findapp("Macro");
2038
2039                         if (theapp && !res) { /* XXX why check res here ? */
2040                                 /* Set peer->exten and peer->context so that MACRO_EXTEN and MACRO_CONTEXT get set */
2041                                 ast_copy_string(peer->context, chan->context, sizeof(peer->context));
2042                                 ast_copy_string(peer->exten, chan->exten, sizeof(peer->exten));
2043
2044                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_MACRO]);
2045                                 res = pbx_exec(peer, theapp, opt_args[OPT_ARG_CALLEE_MACRO]);
2046                                 ast_debug(1, "Macro exited with status %d\n", res);
2047                                 res = 0;
2048                         } else {
2049                                 ast_log(LOG_ERROR, "Could not find application Macro\n");
2050                                 res = -1;
2051                         }
2052
2053                         if (ast_autoservice_stop(chan) < 0) {
2054                                 res = -1;
2055                         }
2056
2057                         ast_channel_lock(peer);
2058
2059                         if (!res && (macro_result = pbx_builtin_getvar_helper(peer, "MACRO_RESULT"))) {
2060                                 char *macro_transfer_dest;
2061
2062                                 if (!strcasecmp(macro_result, "BUSY")) {
2063                                         ast_copy_string(pa.status, macro_result, sizeof(pa.status));
2064                                         ast_set_flag64(peerflags, OPT_GO_ON);
2065                                         res = -1;
2066                                 } else if (!strcasecmp(macro_result, "CONGESTION") || !strcasecmp(macro_result, "CHANUNAVAIL")) {
2067                                         ast_copy_string(pa.status, macro_result, sizeof(pa.status));
2068                                         ast_set_flag64(peerflags, OPT_GO_ON);
2069                                         res = -1;
2070                                 } else if (!strcasecmp(macro_result, "CONTINUE")) {
2071                                         /* hangup peer and keep chan alive assuming the macro has changed
2072                                            the context / exten / priority or perhaps
2073                                            the next priority in the current exten is desired.
2074                                         */
2075                                         ast_set_flag64(peerflags, OPT_GO_ON);
2076                                         res = -1;
2077                                 } else if (!strcasecmp(macro_result, "ABORT")) {
2078                                         /* Hangup both ends unless the caller has the g flag */
2079                                         res = -1;
2080                                 } else if (!strncasecmp(macro_result, "GOTO:", 5) && (macro_transfer_dest = ast_strdupa(macro_result + 5))) {
2081                                         res = -1;
2082                                         /* perform a transfer to a new extension */
2083                                         if (strchr(macro_transfer_dest, '^')) { /* context^exten^priority*/
2084                                                 replace_macro_delimiter(macro_transfer_dest);
2085                                                 if (!ast_parseable_goto(chan, macro_transfer_dest))
2086                                                         ast_set_flag64(peerflags, OPT_GO_ON);
2087                                         }
2088                                 }
2089                         }
2090
2091                         ast_channel_unlock(peer);
2092                 }
2093
2094                 if (ast_test_flag64(&opts, OPT_CALLEE_GOSUB) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_GOSUB])) {
2095                         struct ast_app *theapp;
2096                         const char *gosub_result;
2097                         char *gosub_args, *gosub_argstart;
2098                         int res9 = -1;
2099
2100                         res9 = ast_autoservice_start(chan);
2101                         if (res9) {
2102                                 ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
2103                                 res9 = -1;
2104                         }
2105
2106                         theapp = pbx_findapp("Gosub");
2107
2108                         if (theapp && !res9) {
2109                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_GOSUB]);
2110
2111                                 /* Set where we came from */
2112                                 ast_copy_string(peer->context, "app_dial_gosub_virtual_context", sizeof(peer->context));
2113                                 ast_copy_string(peer->exten, "s", sizeof(peer->exten));
2114                                 peer->priority = 0;
2115
2116                                 gosub_argstart = strchr(opt_args[OPT_ARG_CALLEE_GOSUB], ',');
2117                                 if (gosub_argstart) {
2118                                         *gosub_argstart = 0;
2119                                         if (asprintf(&gosub_args, "%s,s,1(%s)", opt_args[OPT_ARG_CALLEE_GOSUB], gosub_argstart + 1) < 0) {
2120                                                 ast_log(LOG_WARNING, "asprintf() failed: %s\n", strerror(errno));
2121                                                 gosub_args = NULL;
2122                                         }
2123                                         *gosub_argstart = ',';
2124                                 } else {
2125                                         if (asprintf(&gosub_args, "%s,s,1", opt_args[OPT_ARG_CALLEE_GOSUB]) < 0) {
2126                                                 ast_log(LOG_WARNING, "asprintf() failed: %s\n", strerror(errno));
2127                                                 gosub_args = NULL;
2128                                         }
2129                                 }
2130
2131                                 if (gosub_args) {
2132                                         res9 = pbx_exec(peer, theapp, gosub_args);
2133                                         if (!res9) {
2134                                                 struct ast_pbx_args args;
2135                                                 /* A struct initializer fails to compile for this case ... */
2136                                                 memset(&args, 0, sizeof(args));
2137                                                 args.no_hangup_chan = 1;
2138                                                 ast_pbx_run_args(peer, &args);
2139                                         }
2140                                         ast_free(gosub_args);
2141                                         ast_debug(1, "Gosub exited with status %d\n", res9);
2142                                 } else {
2143                                         ast_log(LOG_ERROR, "Could not Allocate string for Gosub arguments -- Gosub Call Aborted!\n");
2144                                 }
2145
2146                         } else if (!res9) {
2147                                 ast_log(LOG_ERROR, "Could not find application Gosub\n");
2148                                 res9 = -1;
2149                         }
2150
2151                         if (ast_autoservice_stop(chan) < 0) {
2152                                 ast_log(LOG_ERROR, "Could not stop autoservice on calling channel\n");
2153                                 res9 = -1;
2154                         }
2155                         
2156                         ast_channel_lock(peer);
2157
2158                         if (!res9 && (gosub_result = pbx_builtin_getvar_helper(peer, "GOSUB_RESULT"))) {
2159                                 char *gosub_transfer_dest;
2160
2161                                 if (!strcasecmp(gosub_result, "BUSY")) {
2162                                         ast_copy_string(pa.status, gosub_result, sizeof(pa.status));
2163                                         ast_set_flag64(peerflags, OPT_GO_ON);
2164                                         res9 = -1;
2165                                 } else if (!strcasecmp(gosub_result, "CONGESTION") || !strcasecmp(gosub_result, "CHANUNAVAIL")) {
2166                                         ast_copy_string(pa.status, gosub_result, sizeof(pa.status));
2167                                         ast_set_flag64(peerflags, OPT_GO_ON);
2168                                         res9 = -1;
2169                                 } else if (!strcasecmp(gosub_result, "CONTINUE")) {
2170                                         /* hangup peer and keep chan alive assuming the macro has changed
2171                                            the context / exten / priority or perhaps
2172                                            the next priority in the current exten is desired.
2173                                         */
2174                                         ast_set_flag64(peerflags, OPT_GO_ON);
2175                                         res9 = -1;
2176                                 } else if (!strcasecmp(gosub_result, "ABORT")) {
2177                                         /* Hangup both ends unless the caller has the g flag */
2178                                         res9 = -1;
2179                                 } else if (!strncasecmp(gosub_result, "GOTO:", 5) && (gosub_transfer_dest = ast_strdupa(gosub_result + 5))) {
2180                                         res9 = -1;
2181                                         /* perform a transfer to a new extension */
2182                                         if (strchr(gosub_transfer_dest, '^')) { /* context^exten^priority*/
2183                                                 replace_macro_delimiter(gosub_transfer_dest);
2184                                                 if (!ast_parseable_goto(chan, gosub_transfer_dest))
2185                                                         ast_set_flag64(peerflags, OPT_GO_ON);
2186                                         }
2187                                 }
2188                         }
2189
2190                         ast_channel_unlock(peer);       
2191                 }
2192
2193                 if (!res) {
2194                         if (!ast_tvzero(calldurationlimit)) {
2195                                 struct timeval whentohangup = calldurationlimit;
2196                                 peer->whentohangup = ast_tvadd(ast_tvnow(), whentohangup);
2197                         }
2198                         if (!ast_strlen_zero(dtmfcalled)) {
2199                                 ast_verb(3, "Sending DTMF '%s' to the called party.\n", dtmfcalled);
2200                                 res = ast_dtmf_stream(peer, chan, dtmfcalled, 250, 0);
2201                         }
2202                         if (!ast_strlen_zero(dtmfcalling)) {
2203                                 ast_verb(3, "Sending DTMF '%s' to the calling party.\n", dtmfcalling);
2204                                 res = ast_dtmf_stream(chan, peer, dtmfcalling, 250, 0);
2205                         }
2206                 }
2207
2208                 if (res) { /* some error */
2209                         res = -1;
2210                 } else {
2211                         if (ast_test_flag64(peerflags, OPT_CALLEE_TRANSFER))
2212                                 ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
2213                         if (ast_test_flag64(peerflags, OPT_CALLER_TRANSFER))
2214                                 ast_set_flag(&(config.features_caller), AST_FEATURE_REDIRECT);
2215                         if (ast_test_flag64(peerflags, OPT_CALLEE_HANGUP))
2216                                 ast_set_flag(&(config.features_callee), AST_FEATURE_DISCONNECT);
2217                         if (ast_test_flag64(peerflags, OPT_CALLER_HANGUP))
2218                                 ast_set_flag(&(config.features_caller), AST_FEATURE_DISCONNECT);
2219                         if (ast_test_flag64(peerflags, OPT_CALLEE_MONITOR))
2220                                 ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
2221                         if (ast_test_flag64(peerflags, OPT_CALLER_MONITOR))
2222                                 ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
2223                         if (ast_test_flag64(peerflags, OPT_CALLEE_PARK))
2224                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PARKCALL);
2225                         if (ast_test_flag64(peerflags, OPT_CALLER_PARK))
2226                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PARKCALL);
2227                         if (ast_test_flag64(peerflags, OPT_CALLEE_MIXMONITOR))
2228                                 ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMIXMON);
2229                         if (ast_test_flag64(peerflags, OPT_CALLER_MIXMONITOR))
2230                                 ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMIXMON);
2231                         if (ast_test_flag64(peerflags, OPT_GO_ON))
2232                                 ast_set_flag(&(config.features_caller), AST_FEATURE_NO_H_EXTEN);
2233
2234                         config.end_bridge_callback = end_bridge_callback;
2235                         config.end_bridge_callback_data = chan;
2236                         config.end_bridge_callback_data_fixup = end_bridge_callback_data_fixup;
2237                         
2238                         if (moh) {
2239                                 moh = 0;
2240                                 ast_moh_stop(chan);
2241                         } else if (sentringing) {
2242                                 sentringing = 0;
2243                                 ast_indicate(chan, -1);
2244                         }
2245                         /* Be sure no generators are left on it */
2246                         ast_deactivate_generator(chan);
2247                         /* Make sure channels are compatible */
2248                         res = ast_channel_make_compatible(chan, peer);
2249                         if (res < 0) {
2250                                 ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", chan->name, peer->name);
2251                                 ast_hangup(peer);
2252                                 res = -1;
2253                                 goto done;
2254                         }
2255                         if (opermode) {
2256                                 struct oprmode oprmode;
2257
2258                                 oprmode.peer = peer;
2259                                 oprmode.mode = opermode;
2260
2261                                 ast_channel_setoption(chan, AST_OPTION_OPRMODE, &oprmode, sizeof(oprmode), 0);
2262                         }
2263                         res = ast_bridge_call(chan, peer, &config);
2264                 }
2265
2266                 strcpy(peer->context, chan->context);
2267
2268                 if (ast_test_flag64(&opts, OPT_PEER_H) && ast_exists_extension(peer, peer->context, "h", 1, peer->cid.cid_num)) {
2269                         int autoloopflag;
2270                         int found;
2271                         int res9;
2272                         
2273                         strcpy(peer->exten, "h");
2274                         peer->priority = 1;
2275                         autoloopflag = ast_test_flag(peer, AST_FLAG_IN_AUTOLOOP); /* save value to restore at the end */
2276                         ast_set_flag(peer, AST_FLAG_IN_AUTOLOOP);
2277
2278                         while ((res9 = ast_spawn_extension(peer, peer->context, peer->exten, peer->priority, peer->cid.cid_num, &found, 1)) == 0)
2279                                 peer->priority++;
2280
2281                         if (found && res9) {
2282                                 /* Something bad happened, or a hangup has been requested. */
2283                                 ast_debug(1, "Spawn extension (%s,%s,%d) exited non-zero on '%s'\n", peer->context, peer->exten, peer->priority, peer->name);
2284                                 ast_verb(2, "Spawn extension (%s, %s, %d) exited non-zero on '%s'\n", peer->context, peer->exten, peer->priority, peer->name);
2285                         }
2286                         ast_set2_flag(peer, autoloopflag, AST_FLAG_IN_AUTOLOOP);  /* set it back the way it was */
2287                 }
2288                 if (!ast_check_hangup(peer) && ast_test_flag64(&opts, OPT_CALLEE_GO_ON)) {
2289                         if(!ast_strlen_zero(opt_args[OPT_ARG_CALLEE_GO_ON])) {
2290                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_GO_ON]);
2291                                 ast_parseable_goto(peer, opt_args[OPT_ARG_CALLEE_GO_ON]);
2292                         } else { /* F() */
2293                                 int res;
2294                                 res = ast_goto_if_exists(peer, chan->context, chan->exten, (chan->priority) + 1); 
2295                                 if (res == AST_PBX_GOTO_FAILED) {
2296                                         ast_hangup(peer);
2297                                         goto out;
2298                                 }
2299                         }
2300                         ast_pbx_start(peer);
2301                 } else {
2302                         if (!ast_check_hangup(chan))
2303                                 chan->hangupcause = peer->hangupcause;
2304                         ast_hangup(peer);
2305                 }
2306         }
2307 out:
2308         if (moh) {
2309                 moh = 0;
2310                 ast_moh_stop(chan);
2311         } else if (sentringing) {
2312                 sentringing = 0;
2313                 ast_indicate(chan, -1);
2314         }
2315         ast_channel_early_bridge(chan, NULL);
2316         hanguptree(outgoing, NULL, 0); /* In this case, there's no answer anywhere */
2317         pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
2318         senddialendevent(chan, pa.status);
2319         ast_debug(1, "Exiting with DIALSTATUS=%s.\n", pa.status);
2320         
2321         if ((ast_test_flag64(peerflags, OPT_GO_ON)) && !ast_check_hangup(chan) && (res != AST_PBX_INCOMPLETE)) {
2322                 if (!ast_tvzero(calldurationlimit))
2323                         memset(&chan->whentohangup, 0, sizeof(chan->whentohangup));
2324                 res = 0;
2325         }
2326
2327 done:
2328         if (config.warning_sound) {
2329                 ast_free((char *)config.warning_sound);
2330         }
2331         if (config.end_sound) {
2332                 ast_free((char *)config.end_sound);
2333         }
2334         if (config.start_sound) {
2335                 ast_free((char *)config.start_sound);
2336         }
2337         return res;
2338 }
2339
2340 static int dial_exec(struct ast_channel *chan, const char *data)
2341 {
2342         struct ast_flags64 peerflags;
2343
2344         memset(&peerflags, 0, sizeof(peerflags));
2345
2346         return dial_exec_full(chan, data, &peerflags, NULL);
2347 }
2348
2349 static int retrydial_exec(struct ast_channel *chan, const char *data)
2350 {
2351         char *parse;
2352         const char *context = NULL;
2353         int sleepms = 0, loops = 0, res = -1;
2354         struct ast_flags64 peerflags = { 0, };
2355         AST_DECLARE_APP_ARGS(args,
2356                 AST_APP_ARG(announce);
2357                 AST_APP_ARG(sleep);
2358                 AST_APP_ARG(retries);
2359                 AST_APP_ARG(dialdata);
2360         );
2361
2362         if (ast_strlen_zero(data)) {
2363                 ast_log(LOG_WARNING, "RetryDial requires an argument!\n");
2364                 return -1;
2365         }
2366
2367         parse = ast_strdupa(data);
2368         AST_STANDARD_APP_ARGS(args, parse);
2369
2370         if (!ast_strlen_zero(args.sleep) && (sleepms = atoi(args.sleep)))
2371                 sleepms *= 1000;
2372
2373         if (!ast_strlen_zero(args.retries)) {
2374                 loops = atoi(args.retries);
2375         }
2376
2377         if (!args.dialdata) {
2378                 ast_log(LOG_ERROR, "%s requires a 4th argument (dialdata)\n", rapp);
2379                 goto done;
2380         }
2381
2382         if (sleepms < 1000)
2383                 sleepms = 10000;
2384
2385         if (!loops)
2386                 loops = -1; /* run forever */
2387
2388         ast_channel_lock(chan);
2389         context = pbx_builtin_getvar_helper(chan, "EXITCONTEXT");
2390         context = !ast_strlen_zero(context) ? ast_strdupa(context) : NULL;
2391         ast_channel_unlock(chan);
2392
2393         res = 0;
2394         while (loops) {
2395                 int continue_exec;
2396
2397                 chan->data = "Retrying";
2398                 if (ast_test_flag(chan, AST_FLAG_MOH))
2399                         ast_moh_stop(chan);
2400
2401                 res = dial_exec_full(chan, args.dialdata, &peerflags, &continue_exec);
2402                 if (continue_exec)
2403                         break;
2404
2405                 if (res == 0) {
2406                         if (ast_test_flag64(&peerflags, OPT_DTMF_EXIT)) {
2407                                 if (!ast_strlen_zero(args.announce)) {
2408                                         if (ast_fileexists(args.announce, NULL, chan->language) > 0) {
2409                                                 if (!(res = ast_streamfile(chan, args.announce, chan->language)))
2410                                                         ast_waitstream(chan, AST_DIGIT_ANY);
2411                                         } else
2412                                                 ast_log(LOG_WARNING, "Announce file \"%s\" specified in Retrydial does not exist\n", args.announce);
2413                                 }
2414                                 if (!res && sleepms) {
2415                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
2416                                                 ast_moh_start(chan, NULL, NULL);
2417                                         res = ast_waitfordigit(chan, sleepms);
2418                                 }
2419                         } else {
2420                                 if (!ast_strlen_zero(args.announce)) {
2421                                         if (ast_fileexists(args.announce, NULL, chan->language) > 0) {
2422                                                 if (!(res = ast_streamfile(chan, args.announce, chan->language)))
2423                                                         res = ast_waitstream(chan, "");
2424                                         } else
2425                                                 ast_log(LOG_WARNING, "Announce file \"%s\" specified in Retrydial does not exist\n", args.announce);
2426                                 }
2427                                 if (sleepms) {
2428                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
2429                                                 ast_moh_start(chan, NULL, NULL);
2430                                         if (!res)
2431                                                 res = ast_waitfordigit(chan, sleepms);
2432                                 }
2433                         }
2434                 }
2435
2436                 if (res < 0 || res == AST_PBX_INCOMPLETE) {
2437                         break;
2438                 } else if (res > 0) { /* Trying to send the call elsewhere (1 digit ext) */
2439                         if (onedigit_goto(chan, context, (char) res, 1)) {
2440                                 res = 0;
2441                                 break;
2442                         }
2443                 }
2444                 loops--;
2445         }
2446         if (loops == 0)
2447                 res = 0;
2448         else if (res == 1)
2449                 res = 0;
2450
2451         if (ast_test_flag(chan, AST_FLAG_MOH))
2452                 ast_moh_stop(chan);
2453  done:
2454         return res;
2455 }
2456
2457 static int unload_module(void)
2458 {
2459         int res;
2460         struct ast_context *con;
2461
2462         res = ast_unregister_application(app);
2463         res |= ast_unregister_application(rapp);
2464
2465         if ((con = ast_context_find("app_dial_gosub_virtual_context"))) {
2466                 ast_context_remove_extension2(con, "s", 1, NULL, 0);
2467                 ast_context_destroy(con, "app_dial"); /* leave nothing behind */
2468         }
2469
2470         return res;
2471 }
2472
2473 static int load_module(void)
2474 {
2475         int res;
2476         struct ast_context *con;
2477
2478         con = ast_context_find_or_create(NULL, NULL, "app_dial_gosub_virtual_context", "app_dial");
2479         if (!con)
2480                 ast_log(LOG_ERROR, "Dial virtual context 'app_dial_gosub_virtual_context' does not exist and unable to create\n");
2481         else
2482                 ast_add_extension2(con, 1, "s", 1, NULL, NULL, "NoOp", ast_strdup(""), ast_free_ptr, "app_dial");
2483
2484         res = ast_register_application_xml(app, dial_exec);
2485         res |= ast_register_application_xml(rapp, retrydial_exec);
2486
2487         return res;
2488 }
2489
2490 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Dialing Application");