apps/app_dial.c

   1 /*
   2  * Asterisk -- An open source telephony toolkit.
   3  *
   4  * Copyright (C) 1999 - 2006, Digium, Inc.
   5  *
   6  * Mark Spencer <markster@digium.com>
   7  *
   8  * See http://www.asterisk.org for more information about
   9  * the Asterisk project. Please do not directly contact
  10  * any of the maintainers of this project for assistance;
  11  * the project provides a web site, mailing lists and IRC
  12  * channels for your use.
  13  *
  14  * This program is free software, distributed under the terms of
  15  * the GNU General Public License Version 2. See the LICENSE file
  16  * at the top of the source tree.
  17  */
  18
  19 /*! \file
  20  *
  21  * \brief dial() & retrydial() - Trivial application to dial a channel and send an URL on answer
  22  *
  23  * \author Mark Spencer <markster@digium.com>
  24  *
  25  * \ingroup applications
  26  */
  27
  28 #include "asterisk.h"
  29
  30 ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
  31
  32 #include <stdlib.h>
  33 #include <errno.h>
  34 #include <unistd.h>
  35 #include <string.h>
  36 #include <stdlib.h>
  37 #include <stdio.h>
  38 #include <sys/time.h>
  39 #include <sys/signal.h>
  40 #include <sys/stat.h>
  41 #include <netinet/in.h>
  42
  43 #include "asterisk/lock.h"
  44 #include "asterisk/file.h"
  45 #include "asterisk/logger.h"
  46 #include "asterisk/channel.h"
  47 #include "asterisk/pbx.h"
  48 #include "asterisk/options.h"
  49 #include "asterisk/module.h"
  50 #include "asterisk/translate.h"
  51 #include "asterisk/say.h"
  52 #include "asterisk/config.h"
  53 #include "asterisk/features.h"
  54 #include "asterisk/musiconhold.h"
  55 #include "asterisk/callerid.h"
  56 #include "asterisk/utils.h"
  57 #include "asterisk/app.h"
  58 #include "asterisk/causes.h"
  59 #include "asterisk/rtp.h"
  60 #include "asterisk/manager.h"
  61 #include "asterisk/privacy.h"
  62 #include "asterisk/stringfields.h"
  63
  64 static char *app = "Dial";
  65
  66 static char *synopsis = "Place a call and connect to the current channel";
  67
  68 static char *descrip =
  69 "  Dial(Technology/resource[&Tech2/resource2...][|timeout][|options][|URL]):\n"
  70 "This application will place calls to one or more specified channels. As soon\n"
  71 "as one of the requested channels answers, the originating channel will be\n"
  72 "answered, if it has not already been answered. These two channels will then\n"
  73 "be active in a bridged call. All other channels that were requested will then\n"
  74 "be hung up.\n"
  75 "  Unless there is a timeout specified, the Dial application will wait\n"
  76 "indefinitely until one of the called channels answers, the user hangs up, or\n"
  77 "if all of the called channels are busy or unavailable. Dialplan executing will\n"
  78 "continue if no requested channels can be called, or if the timeout expires.\n\n"
  79 "  This application sets the following channel variables upon completion:\n"
  80 "    DIALEDTIME   - This is the time from dialing a channel until when it\n"
  81 "                   is disconnected.\n"
  82 "    ANSWEREDTIME - This is the amount of time for actual call.\n"
  83 "    DIALSTATUS   - This is the status of the call:\n"
  84 "                   CHANUNAVAIL | CONGESTION | NOANSWER | BUSY | ANSWER | CANCEL\n"
  85 "                   DONTCALL | TORTURE | INVALIDARGS\n"
  86 "  For the Privacy and Screening Modes, the DIALSTATUS variable will be set to\n"
  87 "DONTCALL if the called party chooses to send the calling party to the 'Go Away'\n"
  88 "script. The DIALSTATUS variable will be set to TORTURE if the called party\n"
  89 "wants to send the caller to the 'torture' script.\n"
  90 "  This application will report normal termination if the originating channel\n"
  91 "hangs up, or if the call is bridged and either of the parties in the bridge\n"
  92 "ends the call.\n"
  93 "  The optional URL will be sent to the called party if the channel supports it.\n"
  94 "  If the OUTBOUND_GROUP variable is set, all peer channels created by this\n"
  95 "application will be put into that group (as in Set(GROUP()=...).\n\n"
  96 "  Options:\n"
  97 "    A(x) - Play an announcement to the called party, using 'x' as the file.\n"
  98 "    C    - Reset the CDR for this call.\n"
  99 "    d    - Allow the calling user to dial a 1 digit extension while waiting for\n"
 100 "           a call to be answered. Exit to that extension if it exists in the\n"
 101 "           current context, or the context defined in the EXITCONTEXT variable,\n"
 102 "           if it exists.\n"
 103 "    D([called][:calling]) - Send the specified DTMF strings *after* the called\n"
 104 "           party has answered, but before the call gets bridged. The 'called'\n"
 105 "           DTMF string is sent to the called party, and the 'calling' DTMF\n"
 106 "           string is sent to the calling party. Both parameters can be used\n"
 107 "           alone.\n"
 108 "    f    - Force the callerid of the *calling* channel to be set as the\n"
 109 "           extension associated with the channel using a dialplan 'hint'.\n"
 110 "           For example, some PSTNs do not allow CallerID to be set to anything\n"
 111 "           other than the number assigned to the caller.\n"
 112 "    g    - Proceed with dialplan execution at the current extension if the\n"
 113 "           destination channel hangs up.\n"
 114 "    G(context^exten^pri) - If the call is answered, transfer the calling party to\n"
 115 "           the specified priority and the called party to the specified priority+1.\n"
 116 "           Optionally, an extension, or extension and context may be specified. \n"
 117 "           Otherwise, the current extension is used. You cannot use any additional\n"
 118 "           action post answer options in conjunction with this option.\n"
 119 "    h    - Allow the called party to hang up by sending the '*' DTMF digit.\n"
 120 "    H    - Allow the calling party to hang up by hitting the '*' DTMF digit.\n"
 121 "    i    - Asterisk will ignore any forwarding requests it may receive on this\n"
 122 "           dial attempt.\n"
 123 "    j    - Jump to priority n+101 if all of the requested channels were busy.\n"
 124 "    L(x[:y][:z]) - Limit the call to 'x' ms. Play a warning when 'y' ms are\n"
 125 "           left. Repeat the warning every 'z' ms. The following special\n"
 126 "           variables can be used with this option:\n"
 127 "           * LIMIT_PLAYAUDIO_CALLER   yes|no (default yes)\n"
 128 "                                      Play sounds to the caller.\n"
 129 "           * LIMIT_PLAYAUDIO_CALLEE   yes|no\n"
 130 "                                      Play sounds to the callee.\n"
 131 "           * LIMIT_TIMEOUT_FILE       File to play when time is up.\n"
 132 "           * LIMIT_CONNECT_FILE       File to play when call begins.\n"
 133 "           * LIMIT_WARNING_FILE       File to play as warning if 'y' is defined.\n"
 134 "                                      The default is to say the time remaining.\n"
 135 "    m([class]) - Provide hold music to the calling party until a requested\n"
 136 "           channel answers. A specific MusicOnHold class can be\n"
 137 "           specified.\n"
 138 "    M(x[^arg]) - Execute the Macro for the *called* channel before connecting\n"
 139 "           to the calling channel. Arguments can be specified to the Macro\n"
 140 "           using '^' as a delimeter. The Macro can set the variable\n"
 141 "           MACRO_RESULT to specify the following actions after the Macro is\n"
 142 "           finished executing.\n"
 143 "           * ABORT        Hangup both legs of the call.\n"
 144 "           * CONGESTION   Behave as if line congestion was encountered.\n"
 145 "           * BUSY         Behave as if a busy signal was encountered. This will also\n"
 146 "                          have the application jump to priority n+101 if the\n"
 147 "                          'j' option is set.\n"
 148 "           * CONTINUE     Hangup the called party and allow the calling party\n"
 149 "                          to continue dialplan execution at the next priority.\n"
 150 "           * GOTO:<context>^<exten>^<priority> - Transfer the call to the\n"
 151 "                          specified priority. Optionally, an extension, or\n"
 152 "                          extension and priority can be specified.\n"
 153 "           You cannot use any additional action post answer options in conjunction\n"
 154 "           with this option. Also, pbx services are not run on the peer (called) channel,\n"
 155 "           so you will not be able to set timeouts via the TIMEOUT() function in this macro.\n"
 156 "    n    - This option is a modifier for the screen/privacy mode. It specifies\n"
 157 "           that no introductions are to be saved in the priv-callerintros\n"
 158 "           directory.\n"
 159 "    N    - This option is a modifier for the screen/privacy mode. It specifies\n"
 160 "           that if callerID is present, do not screen the call.\n"
 161 "    o    - Specify that the CallerID that was present on the *calling* channel\n"
 162 "           be set as the CallerID on the *called* channel. This was the\n"
 163 "           behavior of Asterisk 1.0 and earlier.\n"
 164 "    O([x]) - \"Operator Services\" mode (Zaptel channel to Zaptel channel\n"
 165 "             only, if specified on non-Zaptel interface, it will be ignored).\n"
 166 "             When the destination answers (presumably an operator services\n"
 167 "             station), the originator no longer has control of their line.\n"
 168 "             They may hang up, but the switch will not release their line\n"
 169 "             until the destination party hangs up (the operator). Specified\n"
 170 "             without an arg, or with 1 as an arg, the originator hanging up\n"
 171 "             will cause the phone to ring back immediately. With a 2 specified,\n"
 172 "             when the \"operator\" flashes the trunk, it will ring their phone\n"
 173 "             back.\n"
 174 "    p    - This option enables screening mode. This is basically Privacy mode\n"
 175 "           without memory.\n"
 176 "    P([x]) - Enable privacy mode. Use 'x' as the family/key in the database if\n"
 177 "           it is provided. The current extension is used if a database\n"
 178 "           family/key is not specified.\n"
 179 "    r    - Indicate ringing to the calling party. Pass no audio to the calling\n"
 180 "           party until the called channel has answered.\n"
 181 "    S(x) - Hang up the call after 'x' seconds *after* the called party has\n"
 182 "           answered the call.\n"
 183 "    t    - Allow the called party to transfer the calling party by sending the\n"
 184 "           DTMF sequence defined in features.conf.\n"
 185 "    T    - Allow the calling party to transfer the called party by sending the\n"
 186 "           DTMF sequence defined in features.conf.\n"
 187 "    w    - Allow the called party to enable recording of the call by sending\n"
 188 "           the DTMF sequence defined for one-touch recording in features.conf.\n"
 189 "    W    - Allow the calling party to enable recording of the call by sending\n"
 190 "           the DTMF sequence defined for one-touch recording in features.conf.\n"
 191 "    k    - Allow the called party to enable parking of the call by sending\n"
 192 "           the DTMF sequence defined for call parking in features.conf.\n"
 193 "    K    - Allow the calling party to enable parking of the call by sending\n"
 194 "           the DTMF sequence defined for call parking in features.conf.\n";
 195
 196 /* RetryDial App by Anthony Minessale II <anthmct@yahoo.com> Jan/2005 */
 197 static char *rapp = "RetryDial";
 198 static char *rsynopsis = "Place a call, retrying on failure allowing optional exit extension.";
 199 static char *rdescrip =
 200 "  RetryDial(announce|sleep|retries|dialargs): This application will attempt to\n"
 201 "place a call using the normal Dial application. If no channel can be reached,\n"
 202 "the 'announce' file will be played. Then, it will wait 'sleep' number of\n"
 203 "seconds before retying the call. After 'retires' number of attempts, the\n"
 204 "calling channel will continue at the next priority in the dialplan. If the\n"
 205 "'retries' setting is set to 0, this application will retry endlessly.\n"
 206 "  While waiting to retry a call, a 1 digit extension may be dialed. If that\n"
 207 "extension exists in either the context defined in ${EXITCONTEXT} or the current\n"
 208 "one, The call will jump to that extension immediately.\n"
 209 "  The 'dialargs' are specified in the same format that arguments are provided\n"
 210 "to the Dial application.\n";
 211
 212 enum {
 213         OPT_ANNOUNCE =          (1 << 0),
 214         OPT_RESETCDR =          (1 << 1),
 215         OPT_DTMF_EXIT =         (1 << 2),
 216         OPT_SENDDTMF =          (1 << 3),
 217         OPT_FORCECLID =         (1 << 4),
 218         OPT_GO_ON =             (1 << 5),
 219         OPT_CALLEE_HANGUP =     (1 << 6),
 220         OPT_CALLER_HANGUP =     (1 << 7),
 221         OPT_PRIORITY_JUMP =     (1 << 8),
 222         OPT_DURATION_LIMIT =    (1 << 9),
 223         OPT_MUSICBACK =         (1 << 10),
 224         OPT_CALLEE_MACRO =      (1 << 11),
 225         OPT_SCREEN_NOINTRO =    (1 << 12),
 226         OPT_SCREEN_NOCLID =     (1 << 13),
 227         OPT_ORIGINAL_CLID =     (1 << 14),
 228         OPT_SCREENING =         (1 << 15),
 229         OPT_PRIVACY =           (1 << 16),
 230         OPT_RINGBACK =          (1 << 17),
 231         OPT_DURATION_STOP =     (1 << 18),
 232         OPT_CALLEE_TRANSFER =   (1 << 19),
 233         OPT_CALLER_TRANSFER =   (1 << 20),
 234         OPT_CALLEE_MONITOR =    (1 << 21),
 235         OPT_CALLER_MONITOR =    (1 << 22),
 236         OPT_GOTO =              (1 << 23),
 237         OPT_OPERMODE =          (1 << 24),
 238         OPT_CALLEE_PARK =       (1 << 25),
 239         OPT_CALLER_PARK =       (1 << 26),
 240         OPT_IGNORE_FORWARDING = (1 << 27),
 241 } dial_exec_option_flags;
 242
 243 #define DIAL_STILLGOING                 (1 << 30)
 244 #define DIAL_NOFORWARDHTML              (1 << 31)
 245
 246 enum {
 247         OPT_ARG_ANNOUNCE = 0,
 248         OPT_ARG_SENDDTMF,
 249         OPT_ARG_GOTO,
 250         OPT_ARG_DURATION_LIMIT,
 251         OPT_ARG_MUSICBACK,
 252         OPT_ARG_CALLEE_MACRO,
 253         OPT_ARG_PRIVACY,
 254         OPT_ARG_DURATION_STOP,
 255         OPT_ARG_OPERMODE,
 256         /* note: this entry _MUST_ be the last one in the enum */
 257         OPT_ARG_ARRAY_SIZE,
 258 } dial_exec_option_args;
 259
 260 AST_APP_OPTIONS(dial_exec_options, {
 261         AST_APP_OPTION_ARG('A', OPT_ANNOUNCE, OPT_ARG_ANNOUNCE),
 262         AST_APP_OPTION('C', OPT_RESETCDR),
 263         AST_APP_OPTION('d', OPT_DTMF_EXIT),
 264         AST_APP_OPTION_ARG('D', OPT_SENDDTMF, OPT_ARG_SENDDTMF),
 265         AST_APP_OPTION('f', OPT_FORCECLID),
 266         AST_APP_OPTION('g', OPT_GO_ON),
 267         AST_APP_OPTION_ARG('G', OPT_GOTO, OPT_ARG_GOTO),
 268         AST_APP_OPTION('h', OPT_CALLEE_HANGUP),
 269         AST_APP_OPTION('H', OPT_CALLER_HANGUP),
 270         AST_APP_OPTION('i', OPT_IGNORE_FORWARDING),
 271         AST_APP_OPTION('j', OPT_PRIORITY_JUMP),
 272         AST_APP_OPTION_ARG('L', OPT_DURATION_LIMIT, OPT_ARG_DURATION_LIMIT),
 273         AST_APP_OPTION_ARG('m', OPT_MUSICBACK, OPT_ARG_MUSICBACK),
 274         AST_APP_OPTION_ARG('M', OPT_CALLEE_MACRO, OPT_ARG_CALLEE_MACRO),
 275         AST_APP_OPTION('n', OPT_SCREEN_NOINTRO),
 276         AST_APP_OPTION('N', OPT_SCREEN_NOCLID),
 277         AST_APP_OPTION_ARG('O', OPT_OPERMODE,OPT_ARG_OPERMODE),
 278         AST_APP_OPTION('o', OPT_ORIGINAL_CLID),
 279         AST_APP_OPTION('p', OPT_SCREENING),
 280         AST_APP_OPTION_ARG('P', OPT_PRIVACY, OPT_ARG_PRIVACY),
 281         AST_APP_OPTION('r', OPT_RINGBACK),
 282         AST_APP_OPTION_ARG('S', OPT_DURATION_STOP, OPT_ARG_DURATION_STOP),
 283         AST_APP_OPTION('t', OPT_CALLEE_TRANSFER),
 284         AST_APP_OPTION('T', OPT_CALLER_TRANSFER),
 285         AST_APP_OPTION('w', OPT_CALLEE_MONITOR),
 286         AST_APP_OPTION('W', OPT_CALLER_MONITOR),
 287         AST_APP_OPTION('k', OPT_CALLEE_PARK),
 288         AST_APP_OPTION('K', OPT_CALLER_PARK),
 289 });
 290
 291 /*
 292  * The list of active channels
 293  */
 294 struct chanlist {
 295         struct chanlist *next;
 296         struct ast_channel *chan;
 297         unsigned int flags;
 298         int forwards;
 299 };
 300
 301
 302 static void hanguptree(struct chanlist *outgoing, struct ast_channel *exception)
 303 {
 304         /* Hang up a tree of stuff */
 305         struct chanlist *oo;
 306         while (outgoing) {
 307                 /* Hangup any existing lines we have open */
 308                 if (outgoing->chan && (outgoing->chan != exception))
 309                         ast_hangup(outgoing->chan);
 310                 oo = outgoing;
 311                 outgoing=outgoing->next;
 312                 free(oo);
 313         }
 314 }
 315
 316 #define AST_MAX_FORWARDS   8
 317
 318 #define AST_MAX_WATCHERS 256
 319
 320 /*
 321  * argument to handle_cause() and other functions.
 322  */
 323 struct cause_args {
 324         struct ast_channel *chan;
 325         int busy;
 326         int congestion;
 327         int nochan;
 328 };
 329
 330 static void handle_cause(int cause, struct cause_args *num)
 331 {
 332         struct ast_cdr *cdr = num->chan->cdr;
 333
 334         switch(cause) {
 335         case AST_CAUSE_BUSY:
 336                 if (cdr)
 337                         ast_cdr_busy(cdr);
 338                 num->busy++;
 339                 break;
 340
 341         case AST_CAUSE_CONGESTION:
 342                 if (cdr)
 343                         ast_cdr_failed(cdr);
 344                 num->congestion++;
 345                 break;
 346
 347         case AST_CAUSE_UNREGISTERED:
 348                 if (cdr)
 349                         ast_cdr_failed(cdr);
 350                 num->nochan++;
 351                 break;
 352
 353         case AST_CAUSE_NORMAL_CLEARING:
 354                 break;
 355
 356         default:
 357                 num->nochan++;
 358                 break;
 359         }
 360 }
 361
 362 /* free the buffer if allocated, and set the pointer to the second arg */
 363 #define S_REPLACE(s, new_val)           \
 364         do {                            \
 365                 if (s)                  \
 366                         free(s);        \
 367                 s = (new_val);          \
 368         } while (0)
 369
 370 static int onedigit_goto(struct ast_channel *chan, const char *context, char exten, int pri)
 371 {
 372         char rexten[2] = { exten, '\0' };
 373
 374         if (context) {
 375                 if (!ast_goto_if_exists(chan, context, rexten, pri))
 376                         return 1;
 377         } else {
 378                 if (!ast_goto_if_exists(chan, chan->context, rexten, pri))
 379                         return 1;
 380                 else if (!ast_strlen_zero(chan->macrocontext)) {
 381                         if (!ast_goto_if_exists(chan, chan->macrocontext, rexten, pri))
 382                                 return 1;
 383                 }
 384         }
 385         return 0;
 386 }
 387
 388
 389 static const char *get_cid_name(char *name, int namelen, struct ast_channel *chan)
 390 {
 391         const char *context = S_OR(chan->macrocontext, chan->context);
 392         const char *exten = S_OR(chan->macroexten, chan->exten);
 393
 394         return ast_get_hint(NULL, 0, name, namelen, chan, context, exten) ? name : "";
 395 }
 396
 397 static void senddialevent(struct ast_channel *src, struct ast_channel *dst)
 398 {
 399         manager_event(EVENT_FLAG_CALL, "Dial",
 400                            "SubEvent: Begin\r\n"
 401                            "Source: %s\r\n"
 402                            "Destination: %s\r\n"
 403                            "CallerIDNum: %s\r\n"
 404                            "CallerIDName: %s\r\n"
 405                            "SrcUniqueID: %s\r\n"
 406                            "DestUniqueID: %s\r\n",
 407                            src->name, dst->name, S_OR(src->cid.cid_num, "<unknown>"),
 408                            S_OR(src->cid.cid_name, "<unknown>"), src->uniqueid,
 409                            dst->uniqueid);
 410 }
 411
 412 static void senddialendevent(const struct ast_channel *src, const char *dialstatus)
 413 {
 414         manager_event(EVENT_FLAG_CALL, "Dial",
 415                                         "SubEvent: End\r\n"
 416                                         "Channel: %s\r\n"
 417                                         "DialStatus: %s\r\n",
 418                                         src->name, dialstatus);
 419 }
 420
 421 /*!
 422  * helper function for wait_for_answer()
 423  *
 424  * XXX this code is highly suspicious, as it essentially overwrites
 425  * the outgoing channel without properly deleting it.
 426  */
 427 static void do_forward(struct chanlist *o,
 428         struct cause_args *num, struct ast_flags *peerflags, int single)
 429 {
 430         char tmpchan[256];
 431         struct ast_channel *original = o->chan;
 432         struct ast_channel *c = o->chan; /* the winner */
 433         struct ast_channel *in = num->chan; /* the input channel */
 434         char *stuff;
 435         char *tech;
 436         int cause;
 437
 438         ast_copy_string(tmpchan, c->call_forward, sizeof(tmpchan));
 439         if ((stuff = strchr(tmpchan, '/'))) {
 440                 *stuff++ = '\0';
 441                 tech = tmpchan;
 442         } else {
 443                 const char *forward_context = pbx_builtin_getvar_helper(c, "FORWARD_CONTEXT");
 444                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", c->call_forward, forward_context ? forward_context : c->context);
 445                 stuff = tmpchan;
 446                 tech = "Local";
 447         }
 448         /* Before processing channel, go ahead and check for forwarding */
 449         o->forwards++;
 450         if (o->forwards < AST_MAX_FORWARDS) {
 451                 if (option_verbose > 2)
 452                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n", in->name, tech, stuff, c->name);
 453                 /* If we have been told to ignore forwards, just set this channel to null and continue processing extensions normally */
 454                 if (ast_test_flag(peerflags, OPT_IGNORE_FORWARDING)) {
 455                         if (option_verbose > 2)
 456                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n", in->name, tech, stuff);
 457                         c = o->chan = NULL;
 458                         cause = AST_CAUSE_BUSY;
 459                 } else {
 460                         /* Setup parameters */
 461                         c = o->chan = ast_request(tech, in->nativeformats, stuff, &cause);
 462                         if (c) {
 463                                 if (single)
 464                                         ast_channel_make_compatible(o->chan, in);
 465                                 ast_channel_inherit_variables(in, o->chan);
 466                         } else
 467                                 ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
 468                 }
 469         } else {
 470                 if (option_verbose > 2)
 471                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", c->name);
 472                 cause = AST_CAUSE_CONGESTION;
 473                 c = o->chan = NULL;
 474         }
 475         if (!c) {
 476                 ast_clear_flag(o, DIAL_STILLGOING);
 477                 handle_cause(cause, num);
 478         } else {
 479                 char *new_cid_num, *new_cid_name;
 480                 struct ast_channel *src;
 481
 482                 ast_rtp_make_compatible(c, in, single);
 483                 if (ast_test_flag(o, OPT_FORCECLID)) {
 484                         new_cid_num = ast_strdup(S_OR(in->macroexten, in->exten));
 485                         new_cid_name = NULL; /* XXX no name ? */
 486                         src = c;        /* XXX possible bug in previous code, which used 'winner' ? it may have changed */
 487                 } else {
 488                         new_cid_num = ast_strdup(in->cid.cid_num);
 489                         new_cid_name = ast_strdup(in->cid.cid_name);
 490                         src = in;
 491                 }
 492                 ast_string_field_set(c, accountcode, src->accountcode);
 493                 c->cdrflags = src->cdrflags;
 494                 S_REPLACE(c->cid.cid_num, new_cid_num);
 495                 S_REPLACE(c->cid.cid_name, new_cid_name);
 496
 497                 if (in->cid.cid_ani) { /* XXX or maybe unconditional ? */
 498                         S_REPLACE(c->cid.cid_ani, ast_strdup(in->cid.cid_ani));
 499                 }
 500                 S_REPLACE(c->cid.cid_rdnis, ast_strdup(S_OR(in->macroexten, in->exten)));
 501                 if (ast_call(c, tmpchan, 0)) {
 502                         ast_log(LOG_NOTICE, "Failed to dial on local channel for call forward to '%s'\n", tmpchan);
 503                         ast_clear_flag(o, DIAL_STILLGOING);
 504                         ast_hangup(original);
 505                         c = o->chan = NULL;
 506                         num->nochan++;
 507                 } else {
 508                         senddialevent(in, c);
 509                         /* After calling, set callerid to extension */
 510                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID)) {
 511                                 char cidname[AST_MAX_EXTENSION];
 512                                 ast_set_callerid(c, S_OR(in->macroexten, in->exten), get_cid_name(cidname, sizeof(cidname), in), NULL);
 513                         }
 514                         /* Hangup the original channel now, in case we needed it */
 515                         ast_hangup(original);
 516                 }
 517         }
 518 }
 519
 520 /* argument used for some functions. */
 521 struct privacy_args {
 522         int sentringing;
 523         int privdb_val;
 524         char privcid[256];
 525         char privintro[1024];
 526         char status[256];
 527 };
 528
 529 static struct ast_channel *wait_for_answer(struct ast_channel *in,
 530         struct chanlist *outgoing, int *to, struct ast_flags *peerflags,
 531         struct privacy_args *pa,
 532         const struct cause_args *num_in, int priority_jump, int *result)
 533 {
 534         struct cause_args num = *num_in;
 535         int prestart = num.busy + num.congestion + num.nochan;
 536         int orig = *to;
 537         struct ast_channel *peer = NULL;
 538         /* single is set if only one destination is enabled */
 539         int single = outgoing && !outgoing->next && !ast_test_flag(outgoing, OPT_MUSICBACK | OPT_RINGBACK);
 540
 541         if (single) {
 542                 /* Turn off hold music, etc */
 543                 ast_deactivate_generator(in);
 544                 /* If we are calling a single channel, make them compatible for in-band tone purpose */
 545                 ast_channel_make_compatible(outgoing->chan, in);
 546         }
 547
 548
 549         while (*to && !peer) {
 550                 struct chanlist *o;
 551                 int pos = 0;    /* how many channels do we handle */
 552                 int numlines = prestart;
 553                 struct ast_channel *winner;
 554                 struct ast_channel *watchers[AST_MAX_WATCHERS];
 555
 556                 watchers[pos++] = in;
 557                 for (o = outgoing; o; o = o->next) {
 558                         /* Keep track of important channels */
 559                         if (ast_test_flag(o, DIAL_STILLGOING) && o->chan)
 560                                 watchers[pos++] = o->chan;
 561                         numlines++;
 562                 }
 563                 if (pos == 1) { /* only the input channel is available */
 564                         if (numlines == (num.busy + num.congestion + num.nochan)) {
 565                                 if (option_verbose > 2)
 566                                         ast_verbose( VERBOSE_PREFIX_2 "Everyone is busy/congested at this time (%d:%d/%d/%d)\n", numlines, num.busy, num.congestion, num.nochan);
 567                                 if (num.busy)
 568                                         strcpy(pa->status, "BUSY");
 569                                 else if (num.congestion)
 570                                         strcpy(pa->status, "CONGESTION");
 571                                 else if (num.nochan)
 572                                         strcpy(pa->status, "CHANUNAVAIL");
 573                                 if (ast_opt_priority_jumping || priority_jump)
 574                                         ast_goto_if_exists(in, in->context, in->exten, in->priority + 101);
 575                         } else {
 576                                 if (option_verbose > 2)
 577                                         ast_verbose(VERBOSE_PREFIX_3 "No one is available to answer at this time (%d:%d/%d/%d)\n", numlines, num.busy, num.congestion, num.nochan);
 578                         }
 579                         *to = 0;
 580                         return NULL;
 581                 }
 582                 winner = ast_waitfor_n(watchers, pos, to);
 583                 for (o = outgoing; o; o = o->next) {
 584                         struct ast_frame *f;
 585                         struct ast_channel *c = o->chan;
 586
 587                         if (c == NULL)
 588                                 continue;
 589                         if (ast_test_flag(o, DIAL_STILLGOING) && c->_state == AST_STATE_UP) {
 590                                 if (!peer) {
 591                                         if (option_verbose > 2)
 592                                                 ast_verbose(VERBOSE_PREFIX_3 "%s answered %s\n", c->name, in->name);
 593                                         peer = c;
 594                                         ast_copy_flags(peerflags, o,
 595                                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
 596                                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
 597                                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
 598                                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
 599                                                        DIAL_NOFORWARDHTML);
 600                                         ast_copy_string(c->dialcontext, "", sizeof(c->dialcontext));
 601                                         ast_copy_string(c->exten, "", sizeof(c->exten));
 602                                 }
 603                                 continue;
 604                         }
 605                         if (c != winner)
 606                                 continue;
 607                         /* here, o->chan == c == winner */
 608                         if (!ast_strlen_zero(c->call_forward)) {
 609                                 do_forward(o, &num, peerflags, single);
 610                                 continue;
 611                         }
 612                         f = ast_read(winner);
 613                         if (!f) {
 614                                 in->hangupcause = c->hangupcause;
 615                                 ast_hangup(c);
 616                                 c = o->chan = NULL;
 617                                 ast_clear_flag(o, DIAL_STILLGOING);
 618                                 handle_cause(in->hangupcause, &num);
 619                                 continue;
 620                         }
 621                         if (f->frametype == AST_FRAME_CONTROL) {
 622                                 switch(f->subclass) {
 623                                 case AST_CONTROL_ANSWER:
 624                                         /* This is our guy if someone answered. */
 625                                         if (!peer) {
 626                                                 if (option_verbose > 2)
 627                                                         ast_verbose( VERBOSE_PREFIX_3 "%s answered %s\n", c->name, in->name);
 628                                                 peer = c;
 629                                                 ast_copy_flags(peerflags, o,
 630                                                                OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
 631                                                                OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
 632                                                                OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
 633                                                                OPT_CALLEE_PARK | OPT_CALLER_PARK |
 634                                                                DIAL_NOFORWARDHTML);
 635                                                 ast_copy_string(c->dialcontext, "", sizeof(c->dialcontext));
 636                                                 ast_copy_string(c->exten, "", sizeof(c->exten));
 637                                                 /* Setup early bridge if appropriate */
 638                                                 ast_channel_early_bridge(in, peer);
 639                                         }
 640                                         /* If call has been answered, then the eventual hangup is likely to be normal hangup */
 641                                         in->hangupcause = AST_CAUSE_NORMAL_CLEARING;
 642                                         c->hangupcause = AST_CAUSE_NORMAL_CLEARING;
 643                                         break;
 644                                 case AST_CONTROL_BUSY:
 645                                         if (option_verbose > 2)
 646                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is busy\n", c->name);
 647                                         in->hangupcause = c->hangupcause;
 648                                         ast_hangup(c);
 649                                         c = o->chan = NULL;
 650                                         ast_clear_flag(o, DIAL_STILLGOING);
 651                                         handle_cause(AST_CAUSE_BUSY, &num);
 652                                         break;
 653                                 case AST_CONTROL_CONGESTION:
 654                                         if (option_verbose > 2)
 655                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is circuit-busy\n", c->name);
 656                                         in->hangupcause = c->hangupcause;
 657                                         ast_hangup(c);
 658                                         c = o->chan = NULL;
 659                                         ast_clear_flag(o, DIAL_STILLGOING);
 660                                         handle_cause(AST_CAUSE_CONGESTION, &num);
 661                                         break;
 662                                 case AST_CONTROL_RINGING:
 663                                         if (option_verbose > 2)
 664                                                 ast_verbose(VERBOSE_PREFIX_3 "%s is ringing\n", c->name);
 665                                         /* Setup early media if appropriate */
 666                                         if (single)
 667                                                 ast_channel_early_bridge(in, c);
 668                                         if (!(pa->sentringing) && !ast_test_flag(outgoing, OPT_MUSICBACK)) {
 669                                                 ast_indicate(in, AST_CONTROL_RINGING);
 670                                                 pa->sentringing++;
 671                                         }
 672                                         break;
 673                                 case AST_CONTROL_PROGRESS:
 674                                         if (option_verbose > 2)
 675                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is making progress passing it to %s\n", c->name, in->name);
 676                                         /* Setup early media if appropriate */
 677                                         if (single)
 678                                                 ast_channel_early_bridge(in, c);
 679                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
 680                                                 ast_indicate(in, AST_CONTROL_PROGRESS);
 681                                         break;
 682                                 case AST_CONTROL_VIDUPDATE:
 683                                         if (option_verbose > 2)
 684                                                 ast_verbose (VERBOSE_PREFIX_3 "%s requested a video update, passing it to %s\n", c->name, in->name);
 685                                         ast_indicate(in, AST_CONTROL_VIDUPDATE);
 686                                         break;
 687                                 case AST_CONTROL_PROCEEDING:
 688                                         if (option_verbose > 2)
 689                                                 ast_verbose (VERBOSE_PREFIX_3 "%s is proceeding passing it to %s\n", c->name, in->name);
 690                                         if (single)
 691                                                 ast_channel_early_bridge(in, c);
 692                                         if (!ast_test_flag(outgoing, OPT_RINGBACK))
 693                                                 ast_indicate(in, AST_CONTROL_PROCEEDING);
 694                                         break;
 695                                 case AST_CONTROL_HOLD:
 696                                         if (option_verbose > 2)
 697                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s placed on hold\n", c->name);
 698                                         ast_indicate(in, AST_CONTROL_HOLD);
 699                                         break;
 700                                 case AST_CONTROL_UNHOLD:
 701                                         if (option_verbose > 2)
 702                                                 ast_verbose(VERBOSE_PREFIX_3 "Call on %s left from hold\n", c->name);
 703                                         ast_indicate(in, AST_CONTROL_UNHOLD);
 704                                         break;
 705                                 case AST_CONTROL_OFFHOOK:
 706                                 case AST_CONTROL_FLASH:
 707                                         /* Ignore going off hook and flash */
 708                                         break;
 709                                 case -1:
 710                                         if (!ast_test_flag(outgoing, OPT_RINGBACK | OPT_MUSICBACK)) {
 711                                                 if (option_verbose > 2)
 712                                                         ast_verbose(VERBOSE_PREFIX_3 "%s stopped sounds\n", c->name);
 713                                                 ast_indicate(in, -1);
 714                                                 pa->sentringing = 0;
 715                                         }
 716                                         break;
 717                                 default:
 718                                         if (option_debug)
 719                                                 ast_log(LOG_DEBUG, "Dunno what to do with control type %d\n", f->subclass);
 720                                 }
 721                         } else if (single) {
 722                                 /* XXX are we sure the logic is correct ? or we should just switch on f->frametype ? */
 723                                 if (f->frametype == AST_FRAME_VOICE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
 724                                         if (ast_write(in, f))
 725                                                 ast_log(LOG_WARNING, "Unable to forward voice frame\n");
 726                                 } else if (f->frametype == AST_FRAME_IMAGE && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
 727                                         if (ast_write(in, f))
 728                                                 ast_log(LOG_WARNING, "Unable to forward image\n");
 729                                 } else if (f->frametype == AST_FRAME_TEXT && !ast_test_flag(outgoing, OPT_RINGBACK|OPT_MUSICBACK)) {
 730                                         if (ast_write(in, f))
 731                                                 ast_log(LOG_WARNING, "Unable to send text\n");
 732                                 } else if (f->frametype == AST_FRAME_HTML && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML)) {
 733                                         if (ast_channel_sendhtml(in, f->subclass, f->data, f->datalen) == -1)
 734                                                 ast_log(LOG_WARNING, "Unable to send URL\n");
 735                                 }
 736                         }
 737                         ast_frfree(f);
 738                 } /* end for */
 739                 if (winner == in) {
 740                         struct ast_frame *f = ast_read(in);
 741 #if 0
 742                         if (f && (f->frametype != AST_FRAME_VOICE))
 743                                 printf("Frame type: %d, %d\n", f->frametype, f->subclass);
 744                         else if (!f || (f->frametype != AST_FRAME_VOICE))
 745                                 printf("Hangup received on %s\n", in->name);
 746 #endif
 747                         if (!f || ((f->frametype == AST_FRAME_CONTROL) && (f->subclass == AST_CONTROL_HANGUP))) {
 748                                 /* Got hung up */
 749                                 *to = -1;
 750                                 strcpy(pa->status, "CANCEL");
 751                                 if (f)
 752                                         ast_frfree(f);
 753                                 return NULL;
 754                         }
 755
 756                         /* now f is guaranteed non-NULL */
 757                         if (f->frametype == AST_FRAME_DTMF) {
 758                                 if (ast_test_flag(peerflags, OPT_DTMF_EXIT)) {
 759                                         const char *context = pbx_builtin_getvar_helper(in, "EXITCONTEXT");
 760                                         if (onedigit_goto(in, context, (char) f->subclass, 1)) {
 761                                                 if (option_verbose > 2)
 762                                                         ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
 763                                                 *to=0;
 764                                                 *result = f->subclass;
 765                                                 strcpy(pa->status, "CANCEL");
 766                                                 ast_frfree(f);
 767                                                 return NULL;
 768                                         }
 769                                 }
 770
 771                                 if (ast_test_flag(peerflags, OPT_CALLER_HANGUP) &&
 772                                                   (f->subclass == '*')) { /* hmm it it not guaranteed to be '*' anymore. */
 773                                         if (option_verbose > 2)
 774                                                 ast_verbose(VERBOSE_PREFIX_3 "User hit %c to disconnect call.\n", f->subclass);
 775                                         *to=0;
 776                                         strcpy(pa->status, "CANCEL");
 777                                         ast_frfree(f);
 778                                         return NULL;
 779                                 }
 780                         }
 781
 782                         /* Forward HTML stuff */
 783                         if (single && (f->frametype == AST_FRAME_HTML) && !ast_test_flag(outgoing, DIAL_NOFORWARDHTML))
 784                                 if(ast_channel_sendhtml(outgoing->chan, f->subclass, f->data, f->datalen) == -1)
 785                                         ast_log(LOG_WARNING, "Unable to send URL\n");
 786
 787
 788                         if (single && ((f->frametype == AST_FRAME_VOICE) || (f->frametype == AST_FRAME_DTMF_BEGIN) || (f->frametype == AST_FRAME_DTMF_END)))  {
 789                                 if (ast_write(outgoing->chan, f))
 790                                         ast_log(LOG_WARNING, "Unable to forward voice or dtmf\n");
 791                         }
 792                         if (single && (f->frametype == AST_FRAME_CONTROL) &&
 793                                 ((f->subclass == AST_CONTROL_HOLD) ||
 794                                  (f->subclass == AST_CONTROL_UNHOLD) ||
 795                                  (f->subclass == AST_CONTROL_VIDUPDATE))) {
 796                                 if (option_verbose > 2)
 797                                         ast_verbose(VERBOSE_PREFIX_3 "%s requested special control %d, passing it to %s\n", in->name, f->subclass, outgoing->chan->name);
 798                                 ast_indicate_data(outgoing->chan, f->subclass, f->data, f->datalen);
 799                         }
 800                         ast_frfree(f);
 801                 }
 802                 if (!*to && (option_verbose > 2))
 803                         ast_verbose(VERBOSE_PREFIX_3 "Nobody picked up in %d ms\n", orig);
 804         }
 805
 806         return peer;
 807 }
 808
 809 static void replace_macro_delimiter(char *s)
 810 {
 811         for (; *s; s++)
 812                 if (*s == '^')
 813                         *s = '|';
 814 }
 815
 816
 817 /* returns true if there is a valid privacy reply */
 818 static int valid_priv_reply(struct ast_flags *opts, int res)
 819 {
 820         if (res < '1')
 821                 return 0;
 822         if (ast_test_flag(opts, OPT_PRIVACY) && res <= '5')
 823                 return 1;
 824         if (ast_test_flag(opts, OPT_SCREENING) && res <= '4')
 825                 return 1;
 826         return 0;
 827 }
 828
 829 static int do_timelimit(struct ast_channel *chan, struct ast_bridge_config *config,
 830         char *parse, unsigned int *calldurationlimit)
 831 {
 832         char *stringp = ast_strdupa(parse);
 833         char *limit_str, *warning_str, *warnfreq_str;
 834         const char *var;
 835         int play_to_caller=0,play_to_callee=0;
 836         int delta;
 837
 838         limit_str = strsep(&stringp, ":");
 839         warning_str = strsep(&stringp, ":");
 840         warnfreq_str = strsep(&stringp, ":");
 841
 842         config->timelimit = atol(limit_str);
 843         if (warning_str)
 844                 config->play_warning = atol(warning_str);
 845         if (warnfreq_str)
 846                 config->warning_freq = atol(warnfreq_str);
 847
 848         if (!config->timelimit) {
 849                 ast_log(LOG_WARNING, "Dial does not accept L(%s), hanging up.\n", limit_str);
 850                 config->timelimit = config->play_warning = config->warning_freq = 0;
 851                 config->warning_sound = NULL;
 852                 return -1;      /* error */
 853         } else if ( (delta = config->play_warning - config->timelimit) > 0) {
 854                 int w = config->warning_freq;
 855
 856                 /* If the first warning is requested _after_ the entire call would end,
 857                    and no warning frequency is requested, then turn off the warning. If
 858                    a warning frequency is requested, reduce the 'first warning' time by
 859                    that frequency until it falls within the call's total time limit.
 860                    Graphically:
 861                                   timelim->|    delta        |<-playwarning
 862                         0__________________|_________________|
 863                                          | w  |    |    |    |
 864
 865                    so the number of intervals to cut is 1+(delta-1)/w
 866                 */
 867
 868                 if (w == 0) {
 869                         config->play_warning = 0;
 870                 } else {
 871                         config->play_warning -= w * ( 1 + (delta-1)/w );
 872                         if (config->play_warning < 1)
 873                                 config->play_warning = config->warning_freq = 0;
 874                 }
 875         }
 876
 877         var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLER");
 878         play_to_caller = var ? ast_true(var) : 1;
 879
 880         var = pbx_builtin_getvar_helper(chan,"LIMIT_PLAYAUDIO_CALLEE");
 881         play_to_callee = var ? ast_true(var) : 0;
 882
 883         if (!play_to_caller && !play_to_callee)
 884                 play_to_caller = 1;
 885
 886         var = pbx_builtin_getvar_helper(chan,"LIMIT_WARNING_FILE");
 887         config->warning_sound = S_OR(var, "timeleft");
 888
 889         /* The code looking at config wants a NULL, not just "", to decide
 890          * that the message should not be played, so we replace "" with NULL.
 891          * Note, pbx_builtin_getvar_helper _can_ return NULL if the variable is
 892          * not found.
 893          */
 894         var = pbx_builtin_getvar_helper(chan,"LIMIT_TIMEOUT_FILE");
 895         config->end_sound = S_OR(var, NULL);
 896         var = pbx_builtin_getvar_helper(chan,"LIMIT_CONNECT_FILE");
 897         config->start_sound = S_OR(var, NULL);
 898
 899         /* undo effect of S(x) in case they are both used */
 900         *calldurationlimit = 0;
 901         /* more efficient to do it like S(x) does since no advanced opts */
 902         if (!config->play_warning && !config->start_sound && !config->end_sound && config->timelimit) {
 903                 *calldurationlimit = config->timelimit / 1000;
 904                 if (option_verbose > 2)
 905                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n",
 906                                 *calldurationlimit);
 907                 config->timelimit = play_to_caller = play_to_callee =
 908                 config->play_warning = config->warning_freq = 0;
 909         } else if (option_verbose > 2) {
 910                 ast_verbose(VERBOSE_PREFIX_3 "Limit Data for this call:\n");
 911                 ast_verbose(VERBOSE_PREFIX_4 "timelimit      = %ld\n", config->timelimit);
 912                 ast_verbose(VERBOSE_PREFIX_4 "play_warning   = %ld\n", config->play_warning);
 913                 ast_verbose(VERBOSE_PREFIX_4 "play_to_caller = %s\n", play_to_caller ? "yes" : "no");
 914                 ast_verbose(VERBOSE_PREFIX_4 "play_to_callee = %s\n", play_to_callee ? "yes" : "no");
 915                 ast_verbose(VERBOSE_PREFIX_4 "warning_freq   = %ld\n", config->warning_freq);
 916                 ast_verbose(VERBOSE_PREFIX_4 "start_sound    = %s\n", S_OR(config->start_sound, ""));
 917                 ast_verbose(VERBOSE_PREFIX_4 "warning_sound  = %s\n", config->warning_sound);
 918                 ast_verbose(VERBOSE_PREFIX_4 "end_sound      = %s\n", S_OR(config->end_sound, ""));
 919         }
 920         if (play_to_caller)
 921                 ast_set_flag(&(config->features_caller), AST_FEATURE_PLAY_WARNING);
 922         if (play_to_callee)
 923                 ast_set_flag(&(config->features_callee), AST_FEATURE_PLAY_WARNING);
 924         return 0;
 925 }
 926
 927 static int do_privacy(struct ast_channel *chan, struct ast_channel *peer,
 928     struct ast_flags *opts, char **opt_args, struct privacy_args *pa)
 929 {
 930
 931         int res2;
 932         int loopcount = 0;
 933
 934         /* Get the user's intro, store it in priv-callerintros/$CID,
 935            unless it is already there-- this should be done before the
 936            call is actually dialed  */
 937
 938         /* all ring indications and moh for the caller has been halted as soon as the
 939            target extension was picked up. We are going to have to kill some
 940            time and make the caller believe the peer hasn't picked up yet */
 941
 942         if (ast_test_flag(opts, OPT_MUSICBACK) && !ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
 943                 char *original_moh = ast_strdupa(chan->musicclass);
 944                 ast_indicate(chan, -1);
 945                 ast_string_field_set(chan, musicclass, opt_args[OPT_ARG_MUSICBACK]);
 946                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
 947                 ast_string_field_set(chan, musicclass, original_moh);
 948         } else if (ast_test_flag(opts, OPT_RINGBACK)) {
 949                 ast_indicate(chan, AST_CONTROL_RINGING);
 950                 pa->sentringing++;
 951         }
 952
 953         /* Start autoservice on the other chan ?? */
 954         res2 = ast_autoservice_start(chan);
 955         /* Now Stream the File */
 956         for (loopcount = 0; loopcount < 3; loopcount++) {
 957                 if (res2 && loopcount == 0)     /* error in ast_autoservice_start() */
 958                         break;
 959                 if (!res2)      /* on timeout, play the message again */
 960                         res2 = ast_play_and_wait(peer,"priv-callpending");
 961                 if (!valid_priv_reply(opts, res2))
 962                         res2 = 0;
 963                 /* priv-callpending script:
 964                    "I have a caller waiting, who introduces themselves as:"
 965                 */
 966                 if (!res2)
 967                         res2 = ast_play_and_wait(peer, pa->privintro);
 968                 if (!valid_priv_reply(opts, res2))
 969                         res2 = 0;
 970                 /* now get input from the called party, as to their choice */
 971                 if( !res2 ) {
 972                         /* XXX can we have both, or they are mutually exclusive ? */
 973                         if( ast_test_flag(opts, OPT_PRIVACY) )
 974                                 res2 = ast_play_and_wait(peer,"priv-callee-options");
 975                         if( ast_test_flag(opts, OPT_SCREENING) )
 976                                 res2 = ast_play_and_wait(peer,"screen-callee-options");
 977                 }
 978                 /*! \page DialPrivacy Dial Privacy scripts
 979                 \par priv-callee-options script:
 980                         "Dial 1 if you wish this caller to reach you directly in the future,
 981                                 and immediately connect to their incoming call
 982                          Dial 2 if you wish to send this caller to voicemail now and
 983                                 forevermore.
 984                          Dial 3 to send this caller to the torture menus, now and forevermore.
 985                          Dial 4 to send this caller to a simple "go away" menu, now and forevermore.
 986                          Dial 5 to allow this caller to come straight thru to you in the future,
 987                                 but right now, just this once, send them to voicemail."
 988                 \par screen-callee-options script:
 989                         "Dial 1 if you wish to immediately connect to the incoming call
 990                          Dial 2 if you wish to send this caller to voicemail.
 991                          Dial 3 to send this caller to the torture menus.
 992                          Dial 4 to send this caller to a simple "go away" menu.
 993                 */
 994                 if (valid_priv_reply(opts, res2))
 995                         break;
 996                 /* invalid option */
 997                 res2 = ast_play_and_wait(peer, "vm-sorry");
 998         }
 999
1000         if (ast_test_flag(opts, OPT_MUSICBACK)) {
1001                 ast_moh_stop(chan);
1002         } else if (ast_test_flag(opts, OPT_RINGBACK)) {
1003                 ast_indicate(chan, -1);
1004                 pa->sentringing=0;
1005         }
1006         ast_autoservice_stop(chan);
1007         if(ast_test_flag(opts, OPT_PRIVACY) && (res2 >= '1' && res2 <= '5')) {
1008                 /* map keypresses to various things, the index is res2 - '1' */
1009                 static const char *_val[] = { "ALLOW", "DENY", "TORTURE", "KILL", "ALLOW" };
1010                 static const int _flag[] = { AST_PRIVACY_ALLOW, AST_PRIVACY_DENY, AST_PRIVACY_TORTURE, AST_PRIVACY_KILL, AST_PRIVACY_ALLOW};
1011                 int i = res2 - '1';
1012                 if (option_verbose > 2)
1013                         ast_verbose(VERBOSE_PREFIX_3 "--Set privacy database entry %s/%s to %s\n",
1014                                              opt_args[OPT_ARG_PRIVACY], pa->privcid, _val[i]);
1015                 ast_privacy_set(opt_args[OPT_ARG_PRIVACY], pa->privcid, _flag[i]);
1016         }
1017         switch (res2) {
1018         case '1':
1019                 break;
1020         case '2':
1021                 ast_copy_string(pa->status, "NOANSWER", sizeof(pa->status));
1022                 break;
1023         case '3':
1024                 ast_copy_string(pa->status, "TORTURE", sizeof(pa->status));
1025                 break;
1026         case '4':
1027                 ast_copy_string(pa->status, "DONTCALL", sizeof(pa->status));
1028                 break;
1029         case '5':
1030                 /* XXX should we set status to DENY ? */
1031                 if( ast_test_flag(opts, OPT_PRIVACY) )
1032                         break;
1033                 /* if not privacy, then 5 is the same as "default" case */
1034         default:        /* bad input or -1 if failure to start autoservice */
1035                 /* well, if the user messes up, ... he had his chance... What Is The Best Thing To Do?  */
1036                 /* well, there seems basically two choices. Just patch the caller thru immediately,
1037                           or,... put 'em thru to voicemail. */
1038                 /* since the callee may have hung up, let's do the voicemail thing, no database decision */
1039                 ast_log(LOG_NOTICE, "privacy: no valid response from the callee. Sending the caller to voicemail, the callee isn't responding\n");
1040                 /* XXX should we set status to DENY ? */
1041                 /* XXX what about the privacy flags ? */
1042                 break;
1043         }
1044
1045         if (res2 == '1') {      /* the only case where we actually connect */
1046                 /* if the intro is NOCALLERID, then there's no reason to leave it on disk, it'll
1047                    just clog things up, and it's not useful information, not being tied to a CID */
1048                 if( strncmp(pa->privcid,"NOCALLERID",10) == 0 || ast_test_flag(opts, OPT_SCREEN_NOINTRO) ) {
1049                         ast_filedelete(pa->privintro, NULL);
1050                         if( ast_fileexists(pa->privintro, NULL, NULL ) > 0 )
1051                                 ast_log(LOG_NOTICE, "privacy: ast_filedelete didn't do its job on %s\n", pa->privintro);
1052                         else if (option_verbose > 2)
1053                                 ast_verbose(VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", pa->privintro);
1054                 }
1055                 return 0;       /* the good exit path */
1056         } else {
1057                 ast_hangup(peer); /* hang up on the callee -- he didn't want to talk anyway! */
1058                 return -1;
1059         }
1060 }
1061
1062 /*! \brief returns 1 if successful, 0 or <0 if the caller should 'goto out' */
1063 static int setup_privacy_args(struct privacy_args *pa,
1064         struct ast_flags *opts, char *opt_args[], struct ast_channel *chan)
1065 {
1066         char callerid[60];
1067         int res;
1068         char *l;
1069
1070         if (!ast_strlen_zero(chan->cid.cid_num)) {
1071                 l = ast_strdupa(chan->cid.cid_num);
1072                 ast_shrink_phone_number(l);
1073                 if (ast_test_flag(opts, OPT_PRIVACY) ) {
1074                         if (option_verbose > 2)
1075                                 ast_verbose(VERBOSE_PREFIX_3  "Privacy DB is '%s', clid is '%s'\n",
1076                                              opt_args[OPT_ARG_PRIVACY], l);
1077                         pa->privdb_val = ast_privacy_check(opt_args[OPT_ARG_PRIVACY], l);
1078                 } else {
1079                         if (option_verbose > 2)
1080                                 ast_verbose(VERBOSE_PREFIX_3  "Privacy Screening, clid is '%s'\n", l);
1081                         pa->privdb_val = AST_PRIVACY_UNKNOWN;
1082                 }
1083         } else {
1084                 char *tnam, *tn2;
1085
1086                 tnam = ast_strdupa(chan->name);
1087                 /* clean the channel name so slashes don't try to end up in disk file name */
1088                 for (tn2 = tnam; *tn2; tn2++) {
1089                         if (*tn2=='/')  /* any other chars to be afraid of? */
1090                                 *tn2 = '=';
1091                 }
1092                 if (option_verbose > 2)
1093                         ast_verbose(VERBOSE_PREFIX_3  "Privacy-- callerid is empty\n");
1094
1095                 snprintf(callerid, sizeof(callerid), "NOCALLERID_%s%s", chan->exten, tnam);
1096                 l = callerid;
1097                 pa->privdb_val = AST_PRIVACY_UNKNOWN;
1098         }
1099
1100         ast_copy_string(pa->privcid,l,sizeof(pa->privcid));
1101
1102         if( strncmp(pa->privcid,"NOCALLERID",10) != 0 && ast_test_flag(opts, OPT_SCREEN_NOCLID) ) { /* if callerid is set, and ast_test_flag(&opts, OPT_SCREEN_NOCLID) is set also */
1103                 if (option_verbose > 2)
1104                         ast_verbose( VERBOSE_PREFIX_3  "CallerID set (%s); N option set; Screening should be off\n", pa->privcid);
1105                 pa->privdb_val = AST_PRIVACY_ALLOW;
1106         } else if (ast_test_flag(opts, OPT_SCREEN_NOCLID) && strncmp(pa->privcid,"NOCALLERID",10) == 0 ) {
1107                 if (option_verbose > 2)
1108                         ast_verbose( VERBOSE_PREFIX_3  "CallerID blank; N option set; Screening should happen; dbval is %d\n", pa->privdb_val);
1109         }
1110
1111         if (pa->privdb_val == AST_PRIVACY_DENY ) {
1112                 ast_copy_string(pa->status, "NOANSWER", sizeof(pa->status));
1113                 if (option_verbose > 2)
1114                         ast_verbose( VERBOSE_PREFIX_3  "Privacy DB reports PRIVACY_DENY for this callerid. Dial reports unavailable\n");
1115                 return 0;
1116         } else if (pa->privdb_val == AST_PRIVACY_KILL ) {
1117                 ast_copy_string(pa->status, "DONTCALL", sizeof(pa->status));
1118                 if (ast_opt_priority_jumping || ast_test_flag(opts, OPT_PRIORITY_JUMP)) {
1119                         ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 201);
1120                 }
1121                 return 0; /* Is this right? */
1122         } else if (pa->privdb_val == AST_PRIVACY_TORTURE ) {
1123                 ast_copy_string(pa->status, "TORTURE", sizeof(pa->status));
1124                 if (ast_opt_priority_jumping || ast_test_flag(opts, OPT_PRIORITY_JUMP)) {
1125                         ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 301);
1126                 }
1127                 return 0; /* is this right??? */
1128         } else if (pa->privdb_val == AST_PRIVACY_UNKNOWN ) {
1129                 /* Get the user's intro, store it in priv-callerintros/$CID,
1130                    unless it is already there-- this should be done before the
1131                    call is actually dialed  */
1132
1133                 /* make sure the priv-callerintros dir actually exists */
1134                 snprintf(pa->privintro, sizeof(pa->privintro), "%s/sounds/priv-callerintros", ast_config_AST_DATA_DIR);
1135                 if (mkdir(pa->privintro, 0755) && errno != EEXIST) {
1136                         ast_log(LOG_WARNING, "privacy: can't create directory priv-callerintros: %s\n", strerror(errno));
1137                         return -1;
1138                 }
1139
1140                 snprintf(pa->privintro,sizeof(pa->privintro), "priv-callerintros/%s", pa->privcid);
1141                 if (ast_fileexists(pa->privintro,NULL,NULL ) > 0 && strncmp(pa->privcid,"NOCALLERID",10) != 0) {
1142                         /* the DELUX version of this code would allow this caller the
1143                            option to hear and retape their previously recorded intro.
1144                         */
1145                 } else {
1146                         int duration; /* for feedback from play_and_wait */
1147                         /* the file doesn't exist yet. Let the caller submit his
1148                            vocal intro for posterity */
1149                         /* priv-recordintro script:
1150
1151                            "At the tone, please say your name:"
1152
1153                         */
1154                         ast_answer(chan);
1155                         res = ast_play_and_record(chan, "priv-recordintro", pa->privintro, 4, "gsm", &duration, 128, 2000, 0);  /* NOTE: I've reduced the total time to 4 sec */
1156                                                                         /* don't think we'll need a lock removed, we took care of
1157                                                                            conflicts by naming the pa.privintro file */
1158                         if (res == -1) {
1159                                 /* Delete the file regardless since they hung up during recording */
1160                                 ast_filedelete(pa->privintro, NULL);
1161                                 if (ast_fileexists(pa->privintro,NULL,NULL ) > 0 )
1162                                         ast_log(LOG_NOTICE,"privacy: ast_filedelete didn't do its job on %s\n", pa->privintro);
1163                                 else if (option_verbose > 2)
1164                                         ast_verbose( VERBOSE_PREFIX_3 "Successfully deleted %s intro file\n", pa->privintro);
1165                                 return -1;
1166                         }
1167                         if (!ast_streamfile(chan, "vm-dialout", chan->language) )
1168                                 ast_waitstream(chan, "");
1169                 }
1170         }
1171         return 1;       /* success */
1172 }
1173
1174 static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags *peerflags, int *continue_exec)
1175 {
1176         int res = -1;   /* default: error */
1177         struct ast_module_user *u;
1178         char *rest, *cur;       /* scan the list of destinations */
1179         struct chanlist *outgoing = NULL;       /* list of destinations */
1180         struct ast_channel *peer;
1181         int to; /* timeout */
1182         struct cause_args num = { chan, 0, 0, 0 };
1183         int cause;
1184         char numsubst[AST_MAX_EXTENSION];
1185         char cidname[AST_MAX_EXTENSION];
1186
1187         struct ast_bridge_config config;
1188         unsigned int calldurationlimit = 0;
1189         char *dtmfcalled = NULL, *dtmfcalling = NULL;
1190         struct privacy_args pa = {
1191                 .sentringing = 0,
1192                 .privdb_val = 0,
1193                 .status = "INVALIDARGS",
1194         };
1195         int sentringing = 0, moh = 0;
1196         const char *outbound_group = NULL;
1197         int result = 0;
1198         time_t start_time;
1199         char *parse;
1200         int opermode = 0;
1201         AST_DECLARE_APP_ARGS(args,
1202                              AST_APP_ARG(peers);
1203                              AST_APP_ARG(timeout);
1204                              AST_APP_ARG(options);
1205                              AST_APP_ARG(url);
1206         );
1207         struct ast_flags opts = { 0, };
1208         char *opt_args[OPT_ARG_ARRAY_SIZE];
1209
1210         if (ast_strlen_zero(data)) {
1211                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
1212                 pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1213                 return -1;
1214         }
1215
1216         u = ast_module_user_add(chan);  /* XXX is this the right place ? */
1217
1218         parse = ast_strdupa(data);
1219
1220         AST_STANDARD_APP_ARGS(args, parse);
1221
1222         memset(&config,0,sizeof(struct ast_bridge_config));
1223
1224         if (!ast_strlen_zero(args.options) &&
1225                         ast_app_parse_options(dial_exec_options, &opts, opt_args, args.options)) {
1226                 pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1227                 goto done;
1228         }
1229
1230         if (ast_strlen_zero(args.peers)) {
1231                 ast_log(LOG_WARNING, "Dial requires an argument (technology/number)\n");
1232                 pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1233                 goto done;
1234         }
1235
1236         if (ast_test_flag(&opts, OPT_OPERMODE)) {
1237                 opermode = ast_strlen_zero(opt_args[OPT_ARG_OPERMODE]) ? 1 : atoi(opt_args[OPT_ARG_OPERMODE]);
1238                 if (option_verbose > 2)
1239                         ast_verbose(VERBOSE_PREFIX_3 "Setting operator services mode to %d.\n", opermode);
1240         }
1241
1242         if (ast_test_flag(&opts, OPT_DURATION_STOP) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_STOP])) {
1243                 calldurationlimit = atoi(opt_args[OPT_ARG_DURATION_STOP]);
1244                 if (!calldurationlimit) {
1245                         ast_log(LOG_WARNING, "Dial does not accept S(%s), hanging up.\n", opt_args[OPT_ARG_DURATION_STOP]);
1246                         pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1247                         goto done;
1248                 }
1249                 if (option_verbose > 2)
1250                         ast_verbose(VERBOSE_PREFIX_3 "Setting call duration limit to %d seconds.\n", calldurationlimit);
1251         }
1252
1253         if (ast_test_flag(&opts, OPT_SENDDTMF) && !ast_strlen_zero(opt_args[OPT_ARG_SENDDTMF])) {
1254                 dtmfcalling = opt_args[OPT_ARG_SENDDTMF];
1255                 dtmfcalled = strsep(&dtmfcalling, ":");
1256         }
1257
1258         if (ast_test_flag(&opts, OPT_DURATION_LIMIT) && !ast_strlen_zero(opt_args[OPT_ARG_DURATION_LIMIT])) {
1259                 if (do_timelimit(chan, &config, opt_args[OPT_ARG_DURATION_LIMIT], &calldurationlimit))
1260                         goto done;
1261         }
1262
1263         if (ast_test_flag(&opts, OPT_RESETCDR) && chan->cdr)
1264                 ast_cdr_reset(chan->cdr, NULL);
1265         if (ast_test_flag(&opts, OPT_PRIVACY) && ast_strlen_zero(opt_args[OPT_ARG_PRIVACY]))
1266                 opt_args[OPT_ARG_PRIVACY] = ast_strdupa(chan->exten);
1267
1268         if (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) {
1269                 res = setup_privacy_args(&pa, &opts, opt_args, chan);
1270                 if (res <= 0)
1271                         goto out;
1272                 res = -1;       /* reset default */
1273         }
1274
1275         if (continue_exec)
1276                 *continue_exec = 0;
1277
1278         /* If a channel group has been specified, get it for use when we create peer channels */
1279         outbound_group = pbx_builtin_getvar_helper(chan, "OUTBOUND_GROUP");
1280
1281         ast_copy_flags(peerflags, &opts, OPT_DTMF_EXIT | OPT_GO_ON | OPT_ORIGINAL_CLID | OPT_CALLER_HANGUP | OPT_IGNORE_FORWARDING);
1282         /* loop through the list of dial destinations */
1283         rest = args.peers;
1284         while ((cur = strsep(&rest, "&")) ) {
1285                 struct chanlist *tmp;
1286                 struct ast_channel *tc; /* channel for this destination */
1287                 /* Get a technology/[device:]number pair */
1288                 char *number = cur;
1289                 char *tech = strsep(&number, "/");
1290                 if (!number) {
1291                         ast_log(LOG_WARNING, "Dial argument takes format (technology/[device:]number1)\n");
1292                         goto out;
1293                 }
1294                 if (!(tmp = ast_calloc(1, sizeof(*tmp))))
1295                         goto out;
1296                 if (opts.flags) {
1297                         ast_copy_flags(tmp, &opts,
1298                                        OPT_CALLEE_TRANSFER | OPT_CALLER_TRANSFER |
1299                                        OPT_CALLEE_HANGUP | OPT_CALLER_HANGUP |
1300                                        OPT_CALLEE_MONITOR | OPT_CALLER_MONITOR |
1301                                        OPT_CALLEE_PARK | OPT_CALLER_PARK |
1302                                        OPT_RINGBACK | OPT_MUSICBACK | OPT_FORCECLID);
1303                         ast_set2_flag(tmp, args.url, DIAL_NOFORWARDHTML);
1304                 }
1305                 ast_copy_string(numsubst, number, sizeof(numsubst));
1306                 /* Request the peer */
1307                 tc = ast_request(tech, chan->nativeformats, numsubst, &cause);
1308                 if (!tc) {
1309                         /* If we can't, just go on to the next call */
1310                         ast_log(LOG_WARNING, "Unable to create channel of type '%s' (cause %d - %s)\n",
1311                                     tech, cause, ast_cause2str(cause));
1312                         handle_cause(cause, &num);
1313                         if (!rest)      /* we are on the last destination */
1314                                 chan->hangupcause = cause;
1315                         free(tmp);
1316                         continue;
1317                 }
1318                 pbx_builtin_setvar_helper(tc, "DIALEDPEERNUMBER", numsubst);
1319                 if (!ast_strlen_zero(tc->call_forward)) {
1320                         char tmpchan[256];
1321                         char *stuff;
1322                         char *tech;
1323                         ast_copy_string(tmpchan, tc->call_forward, sizeof(tmpchan));
1324                         if ((stuff = strchr(tmpchan, '/'))) {
1325                                 *stuff++ = '\0';
1326                                 tech = tmpchan;
1327                         } else {
1328                                 snprintf(tmpchan, sizeof(tmpchan), "%s@%s", tc->call_forward, tc->context);
1329                                 stuff = tmpchan;
1330                                 tech = "Local";
1331                         }
1332                         tmp->forwards++;
1333                         if (tmp->forwards < AST_MAX_FORWARDS) {
1334                                 if (option_verbose > 2)
1335                                         ast_verbose(VERBOSE_PREFIX_3 "Now forwarding %s to '%s/%s' (thanks to %s)\n",
1336                                         chan->name, tech, stuff, tc->name);
1337                                 ast_hangup(tc);
1338                                 /* If we have been told to ignore forwards, just set this channel to null
1339                                  * and continue processing extensions normally */
1340                                 if (ast_test_flag(&opts, OPT_IGNORE_FORWARDING)) {
1341                                         tc = NULL;
1342                                         cause = AST_CAUSE_BUSY;
1343                                         if (option_verbose > 2)
1344                                                 ast_verbose(VERBOSE_PREFIX_3 "Forwarding %s to '%s/%s' prevented.\n",
1345                                                         chan->name, tech, stuff);
1346                                 } else {
1347                                         tc = ast_request(tech, chan->nativeformats, stuff, &cause);
1348                                 }
1349                                 if (!tc)
1350                                         ast_log(LOG_NOTICE, "Unable to create local channel for call forward to '%s/%s' (cause = %d)\n", tech, stuff, cause);
1351                                 else
1352                                         ast_channel_inherit_variables(chan, tc);
1353                         } else {
1354                                 if (option_verbose > 2)
1355                                         ast_verbose(VERBOSE_PREFIX_3 "Too many forwards from %s\n", tc->name);
1356                                 ast_hangup(tc);
1357                                 tc = NULL;
1358                                 cause = AST_CAUSE_CONGESTION;
1359                         }
1360                         if (!tc) {
1361                                 handle_cause(cause, &num);
1362                                 free(tmp);
1363                                 continue;
1364                         }
1365                 }
1366
1367                 /* Setup outgoing SDP to match incoming one */
1368                 ast_rtp_make_compatible(tc, chan, !outgoing && !rest);
1369
1370                 /* Inherit specially named variables from parent channel */
1371                 ast_channel_inherit_variables(chan, tc);
1372
1373                 tc->appl = "AppDial";
1374                 tc->data = "(Outgoing Line)";
1375                 tc->whentohangup = 0;
1376
1377                 S_REPLACE(tc->cid.cid_num, ast_strdup(chan->cid.cid_num));
1378                 S_REPLACE(tc->cid.cid_name, ast_strdup(chan->cid.cid_name));
1379                 S_REPLACE(tc->cid.cid_ani, ast_strdup(chan->cid.cid_ani));
1380                 S_REPLACE(tc->cid.cid_rdnis, ast_strdup(chan->cid.cid_rdnis));
1381
1382                 /* Copy language from incoming to outgoing */
1383                 ast_string_field_set(tc, language, chan->language);
1384                 ast_string_field_set(tc, accountcode, chan->accountcode);
1385                 tc->cdrflags = chan->cdrflags;
1386                 if (ast_strlen_zero(tc->musicclass))
1387                         ast_string_field_set(tc, musicclass, chan->musicclass);
1388                 /* Pass callingpres, type of number, tns, ADSI CPE, transfer capability */
1389                 tc->cid.cid_pres = chan->cid.cid_pres;
1390                 tc->cid.cid_ton = chan->cid.cid_ton;
1391                 tc->cid.cid_tns = chan->cid.cid_tns;
1392                 tc->adsicpe = chan->adsicpe;
1393                 tc->transfercapability = chan->transfercapability;
1394
1395                 /* If we have an outbound group, set this peer channel to it */
1396                 if (outbound_group)
1397                         ast_app_group_set_channel(tc, outbound_group);
1398
1399                 /* Inherit context and extension */
1400                 if (!ast_strlen_zero(chan->macrocontext))
1401                         ast_copy_string(tc->dialcontext, chan->macrocontext, sizeof(tc->dialcontext));
1402                 else
1403                         ast_copy_string(tc->dialcontext, chan->context, sizeof(tc->dialcontext));
1404                 if (!ast_strlen_zero(chan->macroexten))
1405                         ast_copy_string(tc->exten, chan->macroexten, sizeof(tc->exten));
1406                 else
1407                         ast_copy_string(tc->exten, chan->exten, sizeof(tc->exten));
1408
1409                 res = ast_call(tc, numsubst, 0);        /* Place the call, but don't wait on the answer */
1410
1411                 /* Save the info in cdr's that we called them */
1412                 if (chan->cdr)
1413                         ast_cdr_setdestchan(chan->cdr, tc->name);
1414
1415                 /* check the results of ast_call */
1416                 if (res) {
1417                         /* Again, keep going even if there's an error */
1418                         if (option_debug)
1419                                 ast_log(LOG_DEBUG, "ast call on peer returned %d\n", res);
1420                         if (option_verbose > 2)
1421                                 ast_verbose(VERBOSE_PREFIX_3 "Couldn't call %s\n", numsubst);
1422                         ast_hangup(tc);
1423                         tc = NULL;
1424                         free(tmp);
1425                         continue;
1426                 } else {
1427                         senddialevent(chan, tc);
1428                         if (option_verbose > 2)
1429                                 ast_verbose(VERBOSE_PREFIX_3 "Called %s\n", numsubst);
1430                         if (!ast_test_flag(peerflags, OPT_ORIGINAL_CLID))
1431                                 ast_set_callerid(tc, S_OR(chan->macroexten, chan->exten), get_cid_name(cidname, sizeof(cidname), chan), NULL);
1432                 }
1433                 /* Put them in the list of outgoing thingies...  We're ready now.
1434                    XXX If we're forcibly removed, these outgoing calls won't get
1435                    hung up XXX */
1436                 ast_set_flag(tmp, DIAL_STILLGOING);
1437                 tmp->chan = tc;
1438                 tmp->next = outgoing;
1439                 outgoing = tmp;
1440                 /* If this line is up, don't try anybody else */
1441                 if (outgoing->chan->_state == AST_STATE_UP)
1442                         break;
1443         }
1444
1445         if (ast_strlen_zero(args.timeout)) {
1446                 to = -1;
1447         } else {
1448                 to = atoi(args.timeout);
1449                 if (to > 0)
1450                         to *= 1000;
1451                 else
1452                         ast_log(LOG_WARNING, "Invalid timeout specified: '%s'\n", args.timeout);
1453         }
1454
1455         if (!outgoing) {
1456                 strcpy(pa.status, "CHANUNAVAIL");
1457         } else {
1458                 /* Our status will at least be NOANSWER */
1459                 strcpy(pa.status, "NOANSWER");
1460                 if (ast_test_flag(outgoing, OPT_MUSICBACK)) {
1461                         moh = 1;
1462                         if (!ast_strlen_zero(opt_args[OPT_ARG_MUSICBACK])) {
1463                                 char *original_moh = ast_strdupa(chan->musicclass);
1464                                 ast_string_field_set(chan, musicclass, opt_args[OPT_ARG_MUSICBACK]);
1465                                 ast_moh_start(chan, opt_args[OPT_ARG_MUSICBACK], NULL);
1466                                 ast_string_field_set(chan, musicclass, original_moh);
1467                         } else {
1468                                 ast_moh_start(chan, NULL, NULL);
1469                         }
1470                         ast_indicate(chan, AST_CONTROL_PROGRESS);
1471                 } else if (ast_test_flag(outgoing, OPT_RINGBACK)) {
1472                         ast_indicate(chan, AST_CONTROL_RINGING);
1473                         sentringing++;
1474                 }
1475         }
1476
1477         time(&start_time);
1478         peer = wait_for_answer(chan, outgoing, &to, peerflags, &pa, &num, ast_test_flag(&opts, OPT_PRIORITY_JUMP), &result);
1479
1480         if (!peer) {
1481                 if (result) {
1482                         res = result;
1483                 } else if (to) { /* Musta gotten hung up */
1484                         res = -1;
1485                 } else { /* Nobody answered, next please? */
1486                         res = 0;
1487                 }
1488                 /* almost done, although the 'else' block is 400 lines */
1489         } else {
1490                 const char *number;
1491                 time_t end_time, answer_time = time(NULL);
1492                 char toast[80]; /* buffer to set variables */
1493
1494                 strcpy(pa.status, "ANSWER");
1495                 /* Ah ha!  Someone answered within the desired timeframe.  Of course after this
1496                    we will always return with -1 so that it is hung up properly after the
1497                    conversation.  */
1498                 hanguptree(outgoing, peer);
1499                 outgoing = NULL;
1500                 /* If appropriate, log that we have a destination channel */
1501                 if (chan->cdr)
1502                         ast_cdr_setdestchan(chan->cdr, peer->name);
1503                 if (peer->name)
1504                         pbx_builtin_setvar_helper(chan, "DIALEDPEERNAME", peer->name);
1505
1506                 number = pbx_builtin_getvar_helper(peer, "DIALEDPEERNUMBER");
1507                 if (!number)
1508                         number = numsubst;
1509                 pbx_builtin_setvar_helper(chan, "DIALEDPEERNUMBER", number);
1510                 if (!ast_strlen_zero(args.url) && ast_channel_supports_html(peer) ) {
1511                         if (option_debug)
1512                                 ast_log(LOG_DEBUG, "app_dial: sendurl=%s.\n", args.url);
1513                         ast_channel_sendurl( peer, args.url );
1514                 }
1515                 if ( (ast_test_flag(&opts, OPT_PRIVACY) || ast_test_flag(&opts, OPT_SCREENING)) && pa.privdb_val == AST_PRIVACY_UNKNOWN) {
1516                         if (do_privacy(chan, peer, &opts, opt_args, &pa)) {
1517                                 res = 0;
1518                                 goto out;
1519                         }
1520                 }
1521                 if (!ast_test_flag(&opts, OPT_ANNOUNCE) || ast_strlen_zero(opt_args[OPT_ARG_ANNOUNCE])) {
1522                         res = 0;
1523                 } else {
1524                         int digit = 0;
1525                         /* Start autoservice on the other chan */
1526                         res = ast_autoservice_start(chan);
1527                         /* Now Stream the File */
1528                         if (!res)
1529                                 res = ast_streamfile(peer, opt_args[OPT_ARG_ANNOUNCE], peer->language);
1530                         if (!res) {
1531                                 digit = ast_waitstream(peer, AST_DIGIT_ANY);
1532                         }
1533                         /* Ok, done. stop autoservice */
1534                         res = ast_autoservice_stop(chan);
1535                         if (digit > 0 && !res)
1536                                 res = ast_senddigit(chan, digit);
1537                         else
1538                                 res = digit;
1539
1540                 }
1541
1542                 if (chan && peer && ast_test_flag(&opts, OPT_GOTO) && !ast_strlen_zero(opt_args[OPT_ARG_GOTO])) {
1543                         replace_macro_delimiter(opt_args[OPT_ARG_GOTO]);
1544                         ast_parseable_goto(chan, opt_args[OPT_ARG_GOTO]);
1545                         ast_parseable_goto(peer, opt_args[OPT_ARG_GOTO]);
1546                         peer->priority++;
1547                         ast_pbx_start(peer);
1548                         hanguptree(outgoing, NULL);
1549                         if (continue_exec)
1550                                 *continue_exec = 1;
1551                         res = 0;
1552                         goto done;
1553                 }
1554
1555                 if (ast_test_flag(&opts, OPT_CALLEE_MACRO) && !ast_strlen_zero(opt_args[OPT_ARG_CALLEE_MACRO])) {
1556                         struct ast_app *theapp;
1557                         const char *macro_result;
1558
1559                         res = ast_autoservice_start(chan);
1560                         if (res) {
1561                                 ast_log(LOG_ERROR, "Unable to start autoservice on calling channel\n");
1562                                 res = -1;
1563                         }
1564
1565                         theapp = pbx_findapp("Macro");
1566
1567                         if (theapp && !res) {   /* XXX why check res here ? */
1568                                 replace_macro_delimiter(opt_args[OPT_ARG_CALLEE_MACRO]);
1569                                 res = pbx_exec(peer, theapp, opt_args[OPT_ARG_CALLEE_MACRO]);
1570                                 if (option_debug)
1571                                         ast_log(LOG_DEBUG, "Macro exited with status %d\n", res);
1572                                 res = 0;
1573                         } else {
1574                                 ast_log(LOG_ERROR, "Could not find application Macro\n");
1575                                 res = -1;
1576                         }
1577
1578                         if (ast_autoservice_stop(chan) < 0) {
1579                                 ast_log(LOG_ERROR, "Could not stop autoservice on calling channel\n");
1580                                 res = -1;
1581                         }
1582
1583                         if (!res && (macro_result = pbx_builtin_getvar_helper(peer, "MACRO_RESULT"))) {
1584                                 char *macro_transfer_dest;
1585
1586                                 if (!strcasecmp(macro_result, "BUSY")) {
1587                                         ast_copy_string(pa.status, macro_result, sizeof(pa.status));
1588                                         if (ast_opt_priority_jumping || ast_test_flag(&opts, OPT_PRIORITY_JUMP)) {
1589                                                 if (!ast_goto_if_exists(chan, NULL, NULL, chan->priority + 101)) {
1590                                                         ast_set_flag(peerflags, OPT_GO_ON);
1591                                                 }
1592                                         } else
1593                                                 ast_set_flag(peerflags, OPT_GO_ON);
1594                                         res = -1;
1595                                 } else if (!strcasecmp(macro_result, "CONGESTION") || !strcasecmp(macro_result, "CHANUNAVAIL")) {
1596                                         ast_copy_string(pa.status, macro_result, sizeof(pa.status));
1597                                         ast_set_flag(peerflags, OPT_GO_ON);
1598                                         res = -1;
1599                                 } else if (!strcasecmp(macro_result, "CONTINUE")) {
1600                                         /* hangup peer and keep chan alive assuming the macro has changed
1601                                            the context / exten / priority or perhaps
1602                                            the next priority in the current exten is desired.
1603                                         */
1604                                         ast_set_flag(peerflags, OPT_GO_ON);
1605                                         res = -1;
1606                                 } else if (!strcasecmp(macro_result, "ABORT")) {
1607                                         /* Hangup both ends unless the caller has the g flag */
1608                                         res = -1;
1609                                 } else if (!strncasecmp(macro_result, "GOTO:", 5) && (macro_transfer_dest = ast_strdupa(macro_result + 5))) {
1610                                         res = -1;
1611                                         /* perform a transfer to a new extension */
1612                                         if (strchr(macro_transfer_dest, '^')) { /* context^exten^priority*/
1613                                                 replace_macro_delimiter(macro_transfer_dest);
1614                                                 if (!ast_parseable_goto(chan, macro_transfer_dest))
1615                                                         ast_set_flag(peerflags, OPT_GO_ON);
1616                                         }
1617                                 }
1618                         }
1619                 }
1620
1621                 if (!res) {
1622                         if (calldurationlimit > 0) {
1623                                 chan->whentohangup = time(NULL) + calldurationlimit;
1624                         }
1625                         if (!ast_strlen_zero(dtmfcalled)) {
1626                                 if (option_verbose > 2)
1627                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the called party.\n", dtmfcalled);
1628                                 res = ast_dtmf_stream(peer,chan,dtmfcalled,250);
1629                         }
1630                         if (!ast_strlen_zero(dtmfcalling)) {
1631                                 if (option_verbose > 2)
1632                                         ast_verbose(VERBOSE_PREFIX_3 "Sending DTMF '%s' to the calling party.\n", dtmfcalling);
1633                                 res = ast_dtmf_stream(chan,peer,dtmfcalling,250);
1634                         }
1635                 }
1636
1637                 if (res) {      /* some error */
1638                         res = -1;
1639                         end_time = time(NULL);
1640                 } else {
1641                         if (ast_test_flag(peerflags, OPT_CALLEE_TRANSFER))
1642                                 ast_set_flag(&(config.features_callee), AST_FEATURE_REDIRECT);
1643                         if (ast_test_flag(peerflags, OPT_CALLER_TRANSFER))
1644                                 ast_set_flag(&(config.features_caller), AST_FEATURE_REDIRECT);
1645                         if (ast_test_flag(peerflags, OPT_CALLEE_HANGUP))
1646                                 ast_set_flag(&(config.features_callee), AST_FEATURE_DISCONNECT);
1647                         if (ast_test_flag(peerflags, OPT_CALLER_HANGUP))
1648                                 ast_set_flag(&(config.features_caller), AST_FEATURE_DISCONNECT);
1649                         if (ast_test_flag(peerflags, OPT_CALLEE_MONITOR))
1650                                 ast_set_flag(&(config.features_callee), AST_FEATURE_AUTOMON);
1651                         if (ast_test_flag(peerflags, OPT_CALLER_MONITOR))
1652                                 ast_set_flag(&(config.features_caller), AST_FEATURE_AUTOMON);
1653                         if (ast_test_flag(peerflags, OPT_CALLEE_PARK))
1654                                 ast_set_flag(&(config.features_callee), AST_FEATURE_PARKCALL);
1655                         if (ast_test_flag(peerflags, OPT_CALLER_PARK))
1656                                 ast_set_flag(&(config.features_caller), AST_FEATURE_PARKCALL);
1657
1658                         if (moh) {
1659                                 moh = 0;
1660                                 ast_moh_stop(chan);
1661                         } else if (sentringing) {
1662                                 sentringing = 0;
1663                                 ast_indicate(chan, -1);
1664                         }
1665                         /* Be sure no generators are left on it */
1666                         ast_deactivate_generator(chan);
1667                         /* Make sure channels are compatible */
1668                         res = ast_channel_make_compatible(chan, peer);
1669                         if (res < 0) {
1670                                 ast_log(LOG_WARNING, "Had to drop call because I couldn't make %s compatible with %s\n", chan->name, peer->name);
1671                                 ast_hangup(peer);
1672                                 res = -1;
1673                                 goto done;
1674                         }
1675                         if (opermode && !strncmp(chan->name,"Zap",3) && !strncmp(peer->name,"Zap",3)) {
1676                                 /* XXX what's this special handling for Zap <-> Zap ? */
1677                                 struct oprmode oprmode;
1678
1679                                 oprmode.peer = peer;
1680                                 oprmode.mode = opermode;
1681
1682                                 ast_channel_setoption(chan,
1683                                         AST_OPTION_OPRMODE,&oprmode,sizeof(struct oprmode),0);
1684                         }
1685                         res = ast_bridge_call(chan,peer,&config);
1686                         end_time = time(NULL);
1687                         snprintf(toast, sizeof(toast), "%ld", (long)(end_time - answer_time));
1688                         pbx_builtin_setvar_helper(chan, "ANSWEREDTIME", toast);
1689                 }
1690
1691                 snprintf(toast, sizeof(toast), "%ld", (long)(end_time - start_time));
1692                 pbx_builtin_setvar_helper(chan, "DIALEDTIME", toast);
1693
1694                 if (res != AST_PBX_NO_HANGUP_PEER) {
1695                         if (!chan->_softhangup)
1696                                 chan->hangupcause = peer->hangupcause;
1697                         ast_hangup(peer);
1698                 }
1699         }
1700 out:
1701         if (moh) {
1702                 moh = 0;
1703                 ast_moh_stop(chan);
1704         } else if (sentringing) {
1705                 sentringing = 0;
1706                 ast_indicate(chan, -1);
1707         }
1708         ast_channel_early_bridge(chan, NULL);
1709         hanguptree(outgoing, NULL);
1710         pbx_builtin_setvar_helper(chan, "DIALSTATUS", pa.status);
1711         senddialendevent(chan, pa.status);
1712         if (option_debug)
1713                 ast_log(LOG_DEBUG, "Exiting with DIALSTATUS=%s.\n", pa.status);
1714
1715         if ((ast_test_flag(peerflags, OPT_GO_ON)) && (!chan->_softhangup) && (res != AST_PBX_KEEPALIVE))
1716                 res = 0;
1717
1718 done:
1719         ast_module_user_remove(u);      /* XXX probably not the right place for this. */
1720         return res;
1721 }
1722
1723 static int dial_exec(struct ast_channel *chan, void *data)
1724 {
1725         struct ast_flags peerflags;
1726
1727         memset(&peerflags, 0, sizeof(peerflags));
1728
1729         return dial_exec_full(chan, data, &peerflags, NULL);
1730 }
1731
1732 static int retrydial_exec(struct ast_channel *chan, void *data)
1733 {
1734         char *announce = NULL, *dialdata = NULL;
1735         const char *context = NULL;
1736         int sleep = 0, loops = 0, res = -1;
1737         struct ast_module_user *u;
1738         struct ast_flags peerflags;
1739
1740         if (ast_strlen_zero(data)) {
1741                 ast_log(LOG_WARNING, "RetryDial requires an argument!\n");
1742                 return -1;
1743         }
1744
1745         u = ast_module_user_add(chan);
1746
1747         announce = ast_strdupa(data);
1748
1749         memset(&peerflags, 0, sizeof(peerflags));
1750
1751         if ((dialdata = strchr(announce, '|'))) {
1752                 *dialdata++ = '\0';
1753                 if ((sleep = atoi(dialdata))) {
1754                         sleep *= 1000;
1755                 } else {
1756                         ast_log(LOG_ERROR, "%s requires the numerical argument <sleep>\n",rapp);
1757                         goto done;
1758                 }
1759                 if ((dialdata = strchr(dialdata, '|'))) {
1760                         *dialdata++ = '\0';
1761                         if (!(loops = atoi(dialdata))) {
1762                                 ast_log(LOG_ERROR, "%s requires the numerical argument <loops>\n",rapp);
1763                                 goto done;
1764                         }
1765                 }
1766         }
1767
1768         if ((dialdata = strchr(dialdata, '|'))) {
1769                 *dialdata++ = '\0';
1770         } else {
1771                 ast_log(LOG_ERROR, "%s requires more arguments\n",rapp);
1772                 goto done;
1773         }
1774
1775         if (sleep < 1000)
1776                 sleep = 10000;
1777
1778         if (!loops)
1779                 loops = -1;     /* run forever */
1780
1781         context = pbx_builtin_getvar_helper(chan, "EXITCONTEXT");
1782
1783         res = 0;
1784         while (loops) {
1785                 int continue_exec;
1786
1787                 chan->data = "Retrying";
1788                 if (ast_test_flag(chan, AST_FLAG_MOH))
1789                         ast_moh_stop(chan);
1790
1791                 res = dial_exec_full(chan, dialdata, &peerflags, &continue_exec);
1792                 if (continue_exec)
1793                         break;
1794                 if (res == 0) {
1795                         if (ast_test_flag(&peerflags, OPT_DTMF_EXIT)) {
1796                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1797                                         res = ast_waitstream(chan, AST_DIGIT_ANY);
1798                                 if (!res && sleep) {
1799                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1800                                                 ast_moh_start(chan, NULL, NULL);
1801                                         res = ast_waitfordigit(chan, sleep);
1802                                 }
1803                         } else {
1804                                 if (!(res = ast_streamfile(chan, announce, chan->language)))
1805                                         res = ast_waitstream(chan, "");
1806                                 if (sleep) {
1807                                         if (!ast_test_flag(chan, AST_FLAG_MOH))
1808                                                 ast_moh_start(chan, NULL, NULL);
1809                                         if (!res)
1810                                                 res = ast_waitfordigit(chan, sleep);
1811                                 }
1812                         }
1813                 }
1814
1815                 if (res < 0)
1816                         break;
1817                 else if (res > 0) { /* Trying to send the call elsewhere (1 digit ext) */
1818                         if (onedigit_goto(chan, context, (char) res, 1)) {
1819                                 res = 0;
1820                                 break;
1821                         }
1822                 }
1823                 loops--;
1824         }
1825         if (loops == 0)
1826                 res = 0;
1827         else if (res == 1)
1828                 res = 0;
1829
1830         if (ast_test_flag(chan, AST_FLAG_MOH))
1831                 ast_moh_stop(chan);
1832  done:
1833         ast_module_user_remove(u);
1834         return res;
1835 }
1836
1837 static int unload_module(void)
1838 {
1839         int res;
1840
1841         res = ast_unregister_application(app);
1842         res |= ast_unregister_application(rapp);
1843
1844         ast_module_user_hangup_all();
1845
1846         return res;
1847 }
1848
1849 static int load_module(void)
1850 {
1851         int res;
1852
1853         res = ast_register_application(app, dial_exec, synopsis, descrip);
1854         res |= ast_register_application(rapp, retrydial_exec, rsynopsis, rdescrip);
1855
1856         return res;
1857 }
1858
1859 AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Dialing Application");