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165 lines
3.7 KiB
165 lines
3.7 KiB
/*
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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 Caller*id name lookup - Look up the caller's name via DNS
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*
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* \ingroup applications
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*/
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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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/options.h"
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#include "asterisk/module.h"
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#include "asterisk/enum.h"
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#include "asterisk/utils.h"
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#include "asterisk/app.h"
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STANDARD_LOCAL_USER;
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LOCAL_USER_DECL;
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static char *tdesc = "TXTCIDName";
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static char *app = "TXTCIDName";
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static char *synopsis = "Lookup caller name from TXT record";
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static char *descrip =
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" TXTCIDName(<CallerIDNumber>[|options]): Looks up a Caller Name via DNS and sets\n"
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"the variable 'TXTCIDNAME'. TXTCIDName will either be blank\n"
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"or return the value found in the TXT record in DNS.\n"
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"The option string may contain the following character:\n"
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"'j' -- jump to n+101 priority if the lookup fails\n"
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"This application sets the following channel variable upon completion:\n"
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" TXTCIDNAMESTATUS The status of the lookup as a text string, one of\n"
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" SUCCESS | FAILED\n";
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static int txtcidname_exec(struct ast_channel *chan, void *data)
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{
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int res=0;
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char tech[80];
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char txt[256] = "";
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char dest[80];
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struct localuser *u;
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static int dep_warning = 0;
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char *parse = NULL;
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int priority_jump = 0;
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AST_DECLARE_APP_ARGS(args,
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AST_APP_ARG(cidnum);
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AST_APP_ARG(options);
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);
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LOCAL_USER_ADD(u);
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if (!dep_warning) {
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ast_log(LOG_WARNING, "The TXTCIDName application has been deprecated in favor of the TXTCIDNAME dialplan function.\n");
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dep_warning = 1;
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}
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if (ast_strlen_zero(data)) {
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ast_log(LOG_WARNING, "TXTCIDName requires an argument (extension[|options])\n");
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LOCAL_USER_REMOVE(u);
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return(0);
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}
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parse = ast_strdupa(data);
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if (!parse) {
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ast_log(LOG_ERROR, "Out of memory!\n");
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LOCAL_USER_REMOVE(u);
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return -1;
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}
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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, 'j'))
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priority_jump = 1;
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}
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if (!res) {
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res = ast_get_txt(chan, data, dest, sizeof(dest), tech, sizeof(tech), txt, sizeof(txt));
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}
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/* Parse it out */
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if (res > 0) {
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if (!ast_strlen_zero(txt)) {
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pbx_builtin_setvar_helper(chan, "TXTCIDNAME", txt);
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pbx_builtin_setvar_helper(chan, "TXTCIDNAMESTATUS", "SUCCESS");
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if (option_debug > 1)
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ast_log(LOG_DEBUG, "TXTCIDNAME got '%s'\n", txt);
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}
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}
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if (!res) {
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/* Look for a "busy" place */
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if (priority_jump || option_priority_jumping)
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ast_goto_if_exists(chan, chan->context, chan->exten, chan->priority + 101);
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pbx_builtin_setvar_helper(chan, "TXTCIDNAMESTATUS", "FAILED");
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} else if (res > 0)
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res = 0;
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LOCAL_USER_REMOVE(u);
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return res;
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}
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int unload_module(void)
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{
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int res;
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res = ast_unregister_application(app);
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STANDARD_HANGUP_LOCALUSERS;
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return res;
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}
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int load_module(void)
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{
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return ast_register_application(app, txtcidname_exec, synopsis, descrip);
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}
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char *description(void)
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{
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return tdesc;
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}
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int usecount(void)
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{
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int res;
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STANDARD_USECOUNT(res);
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return res;
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}
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char *key()
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{
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return ASTERISK_GPL_KEY;
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}
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