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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (c) 2004 - 2005, Tilghman Lesher. All rights reserved.
*
* Tilghman Lesher <app_exec__v001@the-tilghman.com>
*
* This code is released by the author with no restrictions on usage.
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
*/
/*! \file
*
* \brief Exec application
*
* \author Tilghman Lesher <app_exec__v001@the-tilghman.com>
*
* \ingroup applications
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/file.h"
#include "asterisk/logger.h"
#include "asterisk/options.h"
#include "asterisk/channel.h"
#include "asterisk/pbx.h"
#include "asterisk/module.h"
/* Maximum length of any variable */
#define MAXRESULT 1024
static char *tdesc = "Executes applications";
static char *app_exec = "Exec";
static char *exec_synopsis = "Executes internal application";
static char *exec_descrip =
"Usage: Exec(appname(arguments))\n"
" Allows an arbitrary application to be invoked even when not\n"
"hardcoded into the dialplan. To invoke external applications\n"
"see the application System. Returns whatever value the\n"
"app returns or a non-zero value if the app cannot be found.\n";
STANDARD_LOCAL_USER;
LOCAL_USER_DECL;
static int exec_exec(struct ast_channel *chan, void *data)
{
int res=0;
struct localuser *u;
char *s, *appname, *endargs, args[MAXRESULT];
struct ast_app *app;
LOCAL_USER_ADD(u);
memset(args, 0, MAXRESULT);
/* Check and parse arguments */
if (data) {
s = ast_strdupa((char *)data);
if (s) {
appname = strsep(&s, "(");
if (s) {
endargs = strrchr(s, ')');
if (endargs)
*endargs = '\0';
pbx_substitute_variables_helper(chan, s, args, MAXRESULT - 1);
}
if (appname) {
app = pbx_findapp(appname);
if (app) {
res = pbx_exec(chan, app, args, 1);
} else {
ast_log(LOG_WARNING, "Could not find application (%s)\n", appname);
res = -1;
}
}
} else {
ast_log(LOG_ERROR, "Out of memory\n");
res = -1;
}
}
LOCAL_USER_REMOVE(u);
return res;
}
int unload_module(void)
{
int res;
res = ast_unregister_application(app_exec);
STANDARD_HANGUP_LOCALUSERS;
return res;
}
int load_module(void)
{
return ast_register_application(app_exec, exec_exec, exec_synopsis, exec_descrip);
}
char *description(void)
{
return tdesc;
}
int usecount(void)
{
int res;
STANDARD_USECOUNT(res);
return res;
}
char *key()
{
return ASTERISK_GPL_KEY;
}
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