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18606233da
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@30800 65c4cc65-6c06-0410-ace0-fbb531ad65f3
490 lines
12 KiB
C
490 lines
12 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief Provide a directory of extensions
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*
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* \author Mark Spencer <markster@digium.com>
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*
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* \ingroup applications
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*/
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#include <string.h>
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#include <ctype.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/lock.h"
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#include "asterisk/file.h"
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#include "asterisk/logger.h"
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#include "asterisk/channel.h"
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#include "asterisk/pbx.h"
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#include "asterisk/module.h"
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#include "asterisk/config.h"
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#include "asterisk/say.h"
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#include "asterisk/utils.h"
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#include "asterisk/app.h"
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static char *app = "Directory";
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static char *synopsis = "Provide directory of voicemail extensions";
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static char *descrip =
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" Directory(vm-context[|dial-context[|options]]): This application will present\n"
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"the calling channel with a directory of extensions from which they can search\n"
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"by name. The list of names and corresponding extensions is retrieved from the\n"
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"voicemail configuration file, voicemail.conf.\n"
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" This application will immediately exit if one of the following DTMF digits are\n"
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"received and the extension to jump to exists:\n"
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" 0 - Jump to the 'o' extension, if it exists.\n"
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" * - Jump to the 'a' extension, if it exists.\n\n"
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" Parameters:\n"
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" vm-context - This is the context within voicemail.conf to use for the\n"
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" Directory.\n"
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" dial-context - This is the dialplan context to use when looking for an\n"
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" extension that the user has selected, or when jumping to the\n"
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" 'o' or 'a' extension.\n\n"
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" Options:\n"
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" e - In addition to the name, also read the extension number to the\n"
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" caller before presenting dialing options.\n"
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" f - Allow the caller to enter the first name of a user in the directory\n"
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" instead of using the last name.\n";
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/* For simplicity, I'm keeping the format compatible with the voicemail config,
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but i'm open to suggestions for isolating it */
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#define VOICEMAIL_CONFIG "voicemail.conf"
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/* How many digits to read in */
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#define NUMDIGITS 3
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LOCAL_USER_DECL;
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static char *convert(char *lastname)
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{
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char *tmp;
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int lcount = 0;
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tmp = ast_malloc(NUMDIGITS + 1);
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if (tmp) {
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while((*lastname > 32) && lcount < NUMDIGITS) {
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switch(toupper(*lastname)) {
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case '1':
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tmp[lcount++] = '1';
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break;
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case '2':
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case 'A':
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case 'B':
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case 'C':
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tmp[lcount++] = '2';
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break;
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case '3':
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case 'D':
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case 'E':
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case 'F':
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tmp[lcount++] = '3';
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break;
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case '4':
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case 'G':
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case 'H':
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case 'I':
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tmp[lcount++] = '4';
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break;
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case '5':
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case 'J':
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case 'K':
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case 'L':
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tmp[lcount++] = '5';
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break;
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case '6':
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case 'M':
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case 'N':
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case 'O':
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tmp[lcount++] = '6';
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break;
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case '7':
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case 'P':
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case 'Q':
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case 'R':
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case 'S':
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tmp[lcount++] = '7';
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break;
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case '8':
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case 'T':
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case 'U':
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case 'V':
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tmp[lcount++] = '8';
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break;
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case '9':
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case 'W':
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case 'X':
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case 'Y':
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case 'Z':
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tmp[lcount++] = '9';
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break;
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}
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lastname++;
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}
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tmp[lcount] = '\0';
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}
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return tmp;
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}
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/* play name of mailbox owner.
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* returns: -1 for bad or missing extension
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* '1' for selected entry from directory
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* '*' for skipped entry from directory
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*/
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static int play_mailbox_owner(struct ast_channel *chan, char *context,
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char *dialcontext, char *ext, char *name, int readext)
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{
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int res = 0;
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int loop;
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char fn[256];
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/* Check for the VoiceMail2 greeting first */
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snprintf(fn, sizeof(fn), "%s/voicemail/%s/%s/greet",
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ast_config_AST_SPOOL_DIR, context, ext);
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if (ast_fileexists(fn, NULL, chan->language) <= 0) {
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/* no file, check for an old-style Voicemail greeting */
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snprintf(fn, sizeof(fn), "%s/vm/%s/greet",
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ast_config_AST_SPOOL_DIR, ext);
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}
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if (ast_fileexists(fn, NULL, chan->language) > 0) {
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res = ast_stream_and_wait(chan, fn, chan->language, AST_DIGIT_ANY);
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ast_stopstream(chan);
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/* If Option 'e' was specified, also read the extension number with the name */
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if (readext) {
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ast_stream_and_wait(chan, "vm-extension", chan->language, AST_DIGIT_ANY);
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res = ast_say_character_str(chan, ext, AST_DIGIT_ANY, chan->language);
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}
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} else {
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res = ast_say_character_str(chan, S_OR(name, ext), AST_DIGIT_ANY, chan->language);
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if (!ast_strlen_zero(name) && readext) {
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ast_stream_and_wait(chan, "vm-extension", chan->language, AST_DIGIT_ANY);
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res = ast_say_character_str(chan, ext, AST_DIGIT_ANY, chan->language);
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}
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}
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for (loop = 3 ; loop > 0; loop--) {
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if (!res)
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res = ast_stream_and_wait(chan, "dir-instr", chan->language, AST_DIGIT_ANY);
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if (!res)
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res = ast_waitfordigit(chan, 3000);
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ast_stopstream(chan);
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if (res < 0) /* User hungup, so jump out now */
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break;
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if (res == '1') { /* Name selected */
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if (ast_goto_if_exists(chan, dialcontext, ext, 1)) {
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ast_log(LOG_WARNING,
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"Can't find extension '%s' in context '%s'. "
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"Did you pass the wrong context to Directory?\n",
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ext, dialcontext);
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res = -1;
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}
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break;
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}
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if (res == '*') /* Skip to next match in list */
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break;
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/* Not '1', or '*', so decrement number of tries */
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res = 0;
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}
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return(res);
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}
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static struct ast_config *realtime_directory(char *context)
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{
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struct ast_config *cfg;
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struct ast_config *rtdata;
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struct ast_category *cat;
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struct ast_variable *var;
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char *mailbox;
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char *fullname;
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char *hidefromdir;
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char tmp[100];
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/* Load flat file config. */
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cfg = ast_config_load(VOICEMAIL_CONFIG);
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if (!cfg) {
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/* Loading config failed. */
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ast_log(LOG_WARNING, "Loading config failed.\n");
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return NULL;
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}
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/* Get realtime entries, categorized by their mailbox number
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and present in the requested context */
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rtdata = ast_load_realtime_multientry("voicemail", "mailbox LIKE", "%", "context", context, NULL);
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/* if there are no results, just return the entries from the config file */
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if (!rtdata)
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return cfg;
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/* Does the context exist within the config file? If not, make one */
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cat = ast_category_get(cfg, context);
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if (!cat) {
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cat = ast_category_new(context);
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if (!cat) {
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ast_log(LOG_WARNING, "Out of memory\n");
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ast_config_destroy(cfg);
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return NULL;
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}
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ast_category_append(cfg, cat);
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}
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mailbox = NULL;
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while ( (mailbox = ast_category_browse(rtdata, mailbox)) ) {
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fullname = ast_variable_retrieve(rtdata, mailbox, "fullname");
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hidefromdir = ast_variable_retrieve(rtdata, mailbox, "hidefromdir");
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snprintf(tmp, sizeof(tmp), "no-password,%s,hidefromdir=%s",
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fullname ? fullname : "",
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hidefromdir ? hidefromdir : "no");
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var = ast_variable_new(mailbox, tmp);
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if (var)
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ast_variable_append(cat, var);
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else
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ast_log(LOG_WARNING, "Out of memory adding mailbox '%s'\n", mailbox);
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}
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ast_config_destroy(rtdata);
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return cfg;
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}
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static int do_directory(struct ast_channel *chan, struct ast_config *cfg, char *context, char *dialcontext, char digit, int last, int readext)
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{
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/* Read in the first three digits.. "digit" is the first digit, already read */
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char ext[NUMDIGITS + 1];
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char name[80] = "";
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struct ast_variable *v;
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int res;
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int found=0;
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int lastuserchoice = 0;
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char *start, *pos, *conv,*stringp=NULL;
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if (ast_strlen_zero(context)) {
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ast_log(LOG_WARNING,
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"Directory must be called with an argument "
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"(context in which to interpret extensions)\n");
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return -1;
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}
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if (digit == '0') {
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if (!ast_goto_if_exists(chan, chan->context, "o", 1) ||
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(!ast_strlen_zero(chan->macrocontext) &&
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!ast_goto_if_exists(chan, chan->macrocontext, "o", 1))) {
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return 0;
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} else {
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ast_log(LOG_WARNING, "Can't find extension 'o' in current context. "
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"Not Exiting the Directory!\n");
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res = 0;
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}
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}
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if (digit == '*') {
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if (!ast_goto_if_exists(chan, chan->context, "a", 1) ||
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(!ast_strlen_zero(chan->macrocontext) &&
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!ast_goto_if_exists(chan, chan->macrocontext, "a", 1))) {
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return 0;
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} else {
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ast_log(LOG_WARNING, "Can't find extension 'a' in current context. "
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"Not Exiting the Directory!\n");
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res = 0;
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}
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}
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memset(ext, 0, sizeof(ext));
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ext[0] = digit;
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res = 0;
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if (ast_readstring(chan, ext + 1, NUMDIGITS - 1, 3000, 3000, "#") < 0) res = -1;
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if (!res) {
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/* Search for all names which start with those digits */
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v = ast_variable_browse(cfg, context);
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while(v && !res) {
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/* Find all candidate extensions */
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while(v) {
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/* Find a candidate extension */
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start = strdup(v->value);
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if (start && !strcasestr(start, "hidefromdir=yes")) {
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stringp=start;
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strsep(&stringp, ",");
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pos = strsep(&stringp, ",");
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if (pos) {
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ast_copy_string(name, pos, sizeof(name));
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/* Grab the last name */
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if (last && strrchr(pos,' '))
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pos = strrchr(pos, ' ') + 1;
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conv = convert(pos);
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if (conv) {
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if (!strcmp(conv, ext)) {
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/* Match! */
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found++;
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free(conv);
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free(start);
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break;
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}
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free(conv);
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}
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}
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free(start);
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}
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v = v->next;
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}
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if (v) {
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/* We have a match -- play a greeting if they have it */
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res = play_mailbox_owner(chan, context, dialcontext, v->name, name, readext);
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switch (res) {
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case -1:
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/* user pressed '1' but extension does not exist, or
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* user hungup
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*/
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lastuserchoice = 0;
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break;
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case '1':
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/* user pressed '1' and extensions exists;
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play_mailbox_owner will already have done
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a goto() on the channel
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*/
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lastuserchoice = res;
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break;
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case '*':
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/* user pressed '*' to skip something found */
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lastuserchoice = res;
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res = 0;
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break;
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default:
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break;
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}
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v = v->next;
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}
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}
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if (lastuserchoice != '1') {
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res = ast_streamfile(chan, found ? "dir-nomore" : "dir-nomatch", chan->language);
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if (!res)
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res = 1;
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return res;
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}
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return 0;
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}
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return res;
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}
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static int directory_exec(struct ast_channel *chan, void *data)
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{
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int res = 0;
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struct localuser *u;
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struct ast_config *cfg;
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int last = 1;
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int readext = 0;
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char *dirintro, *parse;
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AST_DECLARE_APP_ARGS(args,
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AST_APP_ARG(vmcontext);
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AST_APP_ARG(dialcontext);
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AST_APP_ARG(options);
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);
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if (ast_strlen_zero(data)) {
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ast_log(LOG_WARNING, "Directory requires an argument (context[,dialcontext])\n");
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return -1;
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}
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LOCAL_USER_ADD(u);
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parse = ast_strdupa(data);
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AST_STANDARD_APP_ARGS(args, parse);
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if (args.options) {
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if (strchr(args.options, 'f'))
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last = 0;
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if (strchr(args.options, 'e'))
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readext = 1;
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}
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if (ast_strlen_zero(args.dialcontext))
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args.dialcontext = args.vmcontext;
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cfg = realtime_directory(args.vmcontext);
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if (!cfg) {
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ast_log(LOG_ERROR, "Unable to read the configuration data!\n");
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LOCAL_USER_REMOVE(u);
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return -1;
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}
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dirintro = ast_variable_retrieve(cfg, args.vmcontext, "directoryintro");
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if (ast_strlen_zero(dirintro))
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dirintro = ast_variable_retrieve(cfg, "general", "directoryintro");
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if (ast_strlen_zero(dirintro))
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dirintro = last ? "dir-intro" : "dir-intro-fn";
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if (chan->_state != AST_STATE_UP)
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res = ast_answer(chan);
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for (;;) {
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if (!res)
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res = ast_stream_and_wait(chan, dirintro, chan->language, AST_DIGIT_ANY);
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ast_stopstream(chan);
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if (!res)
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res = ast_waitfordigit(chan, 5000);
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if (res > 0) {
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res = do_directory(chan, cfg, args.vmcontext, args.dialcontext, res, last, readext);
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if (res > 0) {
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res = ast_waitstream(chan, AST_DIGIT_ANY);
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ast_stopstream(chan);
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if (res >= 0)
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continue;
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}
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}
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break;
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}
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ast_config_destroy(cfg);
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LOCAL_USER_REMOVE(u);
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return res;
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}
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static int unload_module(void *mod)
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{
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int res;
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res = ast_unregister_application(app);
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return res;
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}
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static int load_module(void *mod)
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{
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__mod_desc = mod;
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return ast_register_application(app, directory_exec, synopsis, descrip);
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}
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static const char *description(void)
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{
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return "Extension Directory";
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}
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static const char *key(void)
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{
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return ASTERISK_GPL_KEY;
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}
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STD_MOD1;
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