2004-04-20 20:05:14 +00:00
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/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* Exec application
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*
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2005-01-21 07:06:25 +00:00
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* Copyright (c) 2004 - 2005, Tilghman Lesher. All rights reserved.
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2004-04-20 20:05:14 +00:00
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*
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* Tilghman Lesher <app_exec__v001@the-tilghman.com>
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*
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* $Id$
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*
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* This code is released by the author with no restrictions on usage.
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*
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*/
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#include <stdio.h>
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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 <asterisk/file.h>
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#include <asterisk/logger.h>
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#include <asterisk/options.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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/* Maximum length of any variable */
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#define MAXRESULT 1024
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static char *tdesc = "Executes applications";
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static char *app_exec = "Exec";
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static char *exec_synopsis = "Exec(Appname(arguments))";
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static char *exec_descrip =
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"Exec(appname(arguments))\n"
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" Allows an arbitrary application to be invoked even when not\n"
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"hardcoded into the dialplan. Returns whatever value the\n"
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"app returns or -2 when the app cannot be found.\n";
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STANDARD_LOCAL_USER;
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LOCAL_USER_DECL;
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static int exec_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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char *s, *appname, *endargs, args[MAXRESULT];
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struct ast_app *app;
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LOCAL_USER_ADD(u);
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memset(args, 0, MAXRESULT);
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/* Check and parse arguments */
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if (data) {
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s = ast_strdupa((char *)data);
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if (s) {
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appname = strsep(&s, "(");
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if (s) {
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endargs = strrchr(s, ')');
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if (endargs)
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*endargs = '\0';
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pbx_substitute_variables_helper(chan, s, args, MAXRESULT - 1);
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}
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if (appname) {
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app = pbx_findapp(appname);
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if (app) {
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res = pbx_exec(chan, app, args, 1);
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} else {
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ast_log(LOG_WARNING, "Could not find application (%s)\n", appname);
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res = -2;
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}
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}
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} else {
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ast_log(LOG_ERROR, "Out of memory\n");
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res = -1;
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}
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}
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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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STANDARD_HANGUP_LOCALUSERS;
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return ast_unregister_application(app_exec);
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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_exec, exec_exec, exec_synopsis, exec_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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