git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@81361 65c4cc65-6c06-0410-ace0-fbb531ad65f3
702 lines
18 KiB
C
702 lines
18 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 "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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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/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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#ifdef ODBC_STORAGE
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#include <errno.h>
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#include <sys/mman.h>
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#include "asterisk/res_odbc.h"
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static char odbc_database[80] = "asterisk";
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static char odbc_table[80] = "voicemessages";
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static char vmfmts[80] = "wav";
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#endif
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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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#ifdef ODBC_STORAGE
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struct generic_prepare_struct {
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const char *sql;
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const char *param;
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};
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static SQLHSTMT generic_prepare(struct odbc_obj *obj, void *data)
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{
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struct generic_prepare_struct *gps = data;
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SQLHSTMT stmt;
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int res;
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res = SQLAllocHandle(SQL_HANDLE_STMT, obj->con, &stmt);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Alloc Handle failed!\n");
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return NULL;
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}
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res = SQLPrepare(stmt, (unsigned char *)gps->sql, SQL_NTS);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Prepare failed![%s]\n", (char *)gps->sql);
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SQLFreeHandle(SQL_HANDLE_STMT, stmt);
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return NULL;
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}
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if (!ast_strlen_zero(gps->param))
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SQLBindParameter(stmt, 1, SQL_PARAM_INPUT, SQL_C_CHAR, SQL_CHAR, strlen(gps->param), 0, (void *)gps->param, 0, NULL);
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return stmt;
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}
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static void retrieve_file(char *dir)
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{
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int x = 0;
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int res;
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int fd=-1;
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size_t fdlen = 0;
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void *fdm = MAP_FAILED;
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SQLHSTMT stmt;
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char sql[256];
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char fmt[80]="", empty[10] = "";
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char *c;
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SQLLEN colsize;
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char full_fn[256];
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struct odbc_obj *obj;
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struct generic_prepare_struct gps = { .sql = sql, .param = dir };
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obj = ast_odbc_request_obj(odbc_database, 1);
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if (obj) {
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do {
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ast_copy_string(fmt, vmfmts, sizeof(fmt));
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c = strchr(fmt, '|');
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if (c)
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*c = '\0';
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if (!strcasecmp(fmt, "wav49"))
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strcpy(fmt, "WAV");
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snprintf(full_fn, sizeof(full_fn), "%s.%s", dir, fmt);
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snprintf(sql, sizeof(sql), "SELECT recording FROM %s WHERE dir=? AND msgnum=-1", odbc_table);
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stmt = ast_odbc_prepare_and_execute(obj, generic_prepare, &gps);
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if (!stmt) {
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ast_log(LOG_WARNING, "SQL Execute error!\n[%s]\n\n", sql);
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break;
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}
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res = SQLFetch(stmt);
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if (res == SQL_NO_DATA) {
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SQLFreeHandle(SQL_HANDLE_STMT, stmt);
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break;
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} else if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Fetch error!\n[%s]\n\n", sql);
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SQLFreeHandle(SQL_HANDLE_STMT, stmt);
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break;
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}
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fd = open(full_fn, O_RDWR | O_CREAT | O_TRUNC, AST_FILE_MODE);
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if (fd < 0) {
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ast_log(LOG_WARNING, "Failed to write '%s': %s\n", full_fn, strerror(errno));
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SQLFreeHandle(SQL_HANDLE_STMT, stmt);
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break;
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}
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res = SQLGetData(stmt, 1, SQL_BINARY, empty, 0, &colsize);
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fdlen = colsize;
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if (fd > -1) {
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char tmp[1]="";
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lseek(fd, fdlen - 1, SEEK_SET);
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if (write(fd, tmp, 1) != 1) {
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close(fd);
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fd = -1;
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break;
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}
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if (fd > -1)
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fdm = mmap(NULL, fdlen, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
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}
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if (fdm != MAP_FAILED) {
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memset(fdm, 0, fdlen);
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res = SQLGetData(stmt, x + 1, SQL_BINARY, fdm, fdlen, &colsize);
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if ((res != SQL_SUCCESS) && (res != SQL_SUCCESS_WITH_INFO)) {
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ast_log(LOG_WARNING, "SQL Get Data error!\n[%s]\n\n", sql);
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SQLFreeHandle(SQL_HANDLE_STMT, stmt);
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break;
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}
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}
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SQLFreeHandle(SQL_HANDLE_STMT, stmt);
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} while (0);
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ast_odbc_release_obj(obj);
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} else
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ast_log(LOG_WARNING, "Failed to obtain database object for '%s'!\n", odbc_database);
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if (fdm != MAP_FAILED)
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munmap(fdm, fdlen);
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if (fd > -1)
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close(fd);
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return;
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}
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#endif
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static char *convert(const 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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int fromappvm)
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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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#ifdef ODBC_STORAGE
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retrieve_file(fn);
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#endif
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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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#ifdef ODBC_STORAGE
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retrieve_file(fn);
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#endif
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if (ast_fileexists(fn, NULL, chan->language) > 0) {
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res = ast_stream_and_wait(chan, fn, 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", 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", 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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#ifdef ODBC_STORAGE
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ast_filedelete(fn, NULL);
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#endif
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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", 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 (fromappvm) {
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/* We still want to set the exten though */
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ast_copy_string(chan->exten, ext, sizeof(chan->exten));
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} else {
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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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}
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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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const char *fullname;
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const char *hidefromdir;
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char tmp[100];
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struct ast_flags config_flags = { 0 };
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/* Load flat file config. */
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cfg = ast_config_load(VOICEMAIL_CONFIG, config_flags);
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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, "", 99999);
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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, struct ast_config *ucfg, char *context, char *dialcontext, char digit, int last, int readext, int fromappvm)
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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], *cat;
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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, *conv, *stringp = NULL;
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const char *pos;
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int breakout = 0;
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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, dialcontext, "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, dialcontext, "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 = ast_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 (!strncmp(conv, ext, strlen(ext))) {
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/* Match! */
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found++;
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ast_free(conv);
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ast_free(start);
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break;
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}
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ast_free(conv);
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}
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}
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ast_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, fromappvm);
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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':
|
|
/* user pressed '1' and extensions exists;
|
|
play_mailbox_owner will already have done
|
|
a goto() on the channel
|
|
*/
|
|
lastuserchoice = res;
|
|
break;
|
|
case '*':
|
|
/* user pressed '*' to skip something found */
|
|
lastuserchoice = res;
|
|
res = 0;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
v = v->next;
|
|
}
|
|
}
|
|
|
|
if (!res && ucfg) {
|
|
/* Search users.conf for all names which start with those digits */
|
|
for (cat = ast_category_browse(ucfg, NULL); cat && !res ; cat = ast_category_browse(ucfg, cat)) {
|
|
if (!strcasecmp(cat, "general"))
|
|
continue;
|
|
if (!ast_true(ast_config_option(ucfg, cat, "hasdirectory")))
|
|
continue;
|
|
|
|
/* Find all candidate extensions */
|
|
if ((pos = ast_variable_retrieve(ucfg, cat, "fullname"))) {
|
|
ast_copy_string(name, pos, sizeof(name));
|
|
/* Grab the last name */
|
|
if (last && strrchr(pos,' '))
|
|
pos = strrchr(pos, ' ') + 1;
|
|
conv = convert(pos);
|
|
if (conv) {
|
|
if (!strcmp(conv, ext)) {
|
|
/* Match! */
|
|
found++;
|
|
/* We have a match -- play a greeting if they have it */
|
|
res = play_mailbox_owner(chan, context, dialcontext, cat, name, readext, fromappvm);
|
|
switch (res) {
|
|
case -1:
|
|
/* user pressed '1' but extension does not exist, or
|
|
* user hungup
|
|
*/
|
|
lastuserchoice = 0;
|
|
breakout = 1;
|
|
break;
|
|
case '1':
|
|
/* user pressed '1' and extensions exists;
|
|
play_mailbox_owner will already have done
|
|
a goto() on the channel
|
|
*/
|
|
lastuserchoice = res;
|
|
breakout = 1;
|
|
break;
|
|
case '*':
|
|
/* user pressed '*' to skip something found */
|
|
lastuserchoice = res;
|
|
breakout = 0;
|
|
res = 0;
|
|
break;
|
|
default:
|
|
breakout = 1;
|
|
break;
|
|
}
|
|
ast_free(conv);
|
|
if (breakout)
|
|
break;
|
|
} else
|
|
ast_free(conv);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (lastuserchoice != '1') {
|
|
res = ast_streamfile(chan, found ? "dir-nomore" : "dir-nomatch", chan->language);
|
|
if (!res)
|
|
res = 1;
|
|
return res;
|
|
}
|
|
return 0;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
static int directory_exec(struct ast_channel *chan, void *data)
|
|
{
|
|
int res = 0;
|
|
struct ast_config *cfg, *ucfg;
|
|
int last = 1;
|
|
int readext = 0;
|
|
int fromappvm = 0;
|
|
const char *dirintro;
|
|
char *parse;
|
|
struct ast_flags config_flags = { 0 };
|
|
AST_DECLARE_APP_ARGS(args,
|
|
AST_APP_ARG(vmcontext);
|
|
AST_APP_ARG(dialcontext);
|
|
AST_APP_ARG(options);
|
|
);
|
|
|
|
if (ast_strlen_zero(data)) {
|
|
ast_log(LOG_WARNING, "Directory requires an argument (context[,dialcontext])\n");
|
|
return -1;
|
|
}
|
|
|
|
parse = ast_strdupa(data);
|
|
|
|
AST_STANDARD_APP_ARGS(args, parse);
|
|
|
|
if (args.options) {
|
|
if (strchr(args.options, 'f'))
|
|
last = 0;
|
|
if (strchr(args.options, 'e'))
|
|
readext = 1;
|
|
if (strchr(args.options, 'v'))
|
|
fromappvm = 1;
|
|
}
|
|
|
|
if (ast_strlen_zero(args.dialcontext))
|
|
args.dialcontext = args.vmcontext;
|
|
|
|
cfg = realtime_directory(args.vmcontext);
|
|
if (!cfg) {
|
|
ast_log(LOG_ERROR, "Unable to read the configuration data!\n");
|
|
return -1;
|
|
}
|
|
|
|
ucfg = ast_config_load("users.conf", config_flags);
|
|
|
|
dirintro = ast_variable_retrieve(cfg, args.vmcontext, "directoryintro");
|
|
if (ast_strlen_zero(dirintro))
|
|
dirintro = ast_variable_retrieve(cfg, "general", "directoryintro");
|
|
if (ast_strlen_zero(dirintro))
|
|
dirintro = last ? "dir-intro" : "dir-intro-fn";
|
|
|
|
if (chan->_state != AST_STATE_UP)
|
|
res = ast_answer(chan);
|
|
|
|
for (;;) {
|
|
if (!res)
|
|
res = ast_stream_and_wait(chan, dirintro, AST_DIGIT_ANY);
|
|
ast_stopstream(chan);
|
|
if (!res)
|
|
res = ast_waitfordigit(chan, 5000);
|
|
if (res > 0) {
|
|
res = do_directory(chan, cfg, ucfg, args.vmcontext, args.dialcontext, res, last, readext, fromappvm);
|
|
if (res > 0) {
|
|
res = ast_waitstream(chan, AST_DIGIT_ANY);
|
|
ast_stopstream(chan);
|
|
if (res >= 0)
|
|
continue;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
if (ucfg)
|
|
ast_config_destroy(ucfg);
|
|
ast_config_destroy(cfg);
|
|
return res;
|
|
}
|
|
|
|
static int unload_module(void)
|
|
{
|
|
int res;
|
|
res = ast_unregister_application(app);
|
|
return res;
|
|
}
|
|
|
|
static int load_module(void)
|
|
{
|
|
#ifdef ODBC_STORAGE
|
|
struct ast_flags config_flags = { 0 };
|
|
struct ast_config *cfg = ast_config_load(VOICEMAIL_CONFIG, config_flags);
|
|
const char *tmp;
|
|
|
|
if (cfg) {
|
|
if ((tmp = ast_variable_retrieve(cfg, "general", "odbcstorage"))) {
|
|
ast_copy_string(odbc_database, tmp, sizeof(odbc_database));
|
|
}
|
|
if ((tmp = ast_variable_retrieve(cfg, "general", "odbctable"))) {
|
|
ast_copy_string(odbc_table, tmp, sizeof(odbc_table));
|
|
}
|
|
if ((tmp = ast_variable_retrieve(cfg, "general", "format"))) {
|
|
ast_copy_string(vmfmts, tmp, sizeof(vmfmts));
|
|
}
|
|
ast_config_destroy(cfg);
|
|
} else
|
|
ast_log(LOG_WARNING, "Unable to load " VOICEMAIL_CONFIG " - ODBC defaults will be used\n");
|
|
#endif
|
|
|
|
return ast_register_application(app, directory_exec, synopsis, descrip);
|
|
}
|
|
|
|
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Extension Directory");
|