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-rw-r--r--1.4.23-rc4/apps/app_exec.c221
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diff --git a/1.4.23-rc4/apps/app_exec.c b/1.4.23-rc4/apps/app_exec.c
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--- a/1.4.23-rc4/apps/app_exec.c
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-/*
- * Asterisk -- An open source telephony toolkit.
- *
- * Copyright (c) 2004 - 2005, Tilghman Lesher. All rights reserved.
- * Portions copyright (c) 2006, Philipp Dunkel.
- *
- * Tilghman Lesher <app_exec__v002@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__v002@the-tilghman.com>
- * \author Philipp Dunkel <philipp.dunkel@ebox.at>
- *
- * \ingroup applications
- */
-
-#include "asterisk.h"
-
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-
-#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
-
-/*! Note
- *
- * The key difference between these two apps is exit status. In a
- * nutshell, Exec tries to be transparent as possible, behaving
- * in exactly the same way as if the application it calls was
- * directly invoked from the dialplan.
- *
- * TryExec, on the other hand, provides a way to execute applications
- * and catch any possible fatal error without actually fatally
- * affecting the dialplan.
- */
-
-static char *app_exec = "Exec";
-static char *exec_synopsis = "Executes dialplan 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. If the underlying application\n"
-"terminates the dialplan, or if the application cannot be found,\n"
-"Exec will terminate the dialplan.\n"
-" To invoke external applications, see the application System.\n"
-" If you would like to catch any error instead, see TryExec.\n";
-
-static char *app_tryexec = "TryExec";
-static char *tryexec_synopsis = "Executes dialplan application, always returning";
-static char *tryexec_descrip =
-"Usage: TryExec(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. Always returns to the dialplan.\n"
-"The channel variable TRYSTATUS will be set to:\n"
-" SUCCESS if the application returned zero\n"
-" FAILED if the application returned non-zero\n"
-" NOAPP if the application was not found or was not specified\n";
-
-static char *app_execif = "ExecIf";
-static char *execif_synopsis = "Executes dialplan application, conditionally";
-static char *execif_descrip =
-"Usage: ExecIF (<expr>|<app>|<data>)\n"
-"If <expr> is true, execute and return the result of <app>(<data>).\n"
-"If <expr> is true, but <app> is not found, then the application\n"
-"will return a non-zero value.\n";
-
-static int exec_exec(struct ast_channel *chan, void *data)
-{
- int res=0;
- struct ast_module_user *u;
- char *s, *appname, *endargs, args[MAXRESULT] = "";
- struct ast_app *app;
-
- u = ast_module_user_add(chan);
-
- /* Check and parse arguments */
- if (data) {
- s = ast_strdupa(data);
- 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);
- } else {
- ast_log(LOG_WARNING, "Could not find application (%s)\n", appname);
- res = -1;
- }
- }
- }
-
- ast_module_user_remove(u);
- return res;
-}
-
-static int tryexec_exec(struct ast_channel *chan, void *data)
-{
- int res=0;
- struct ast_module_user *u;
- char *s, *appname, *endargs, args[MAXRESULT] = "";
- struct ast_app *app;
-
- u = ast_module_user_add(chan);
-
- /* Check and parse arguments */
- if (data) {
- s = ast_strdupa(data);
- 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);
- pbx_builtin_setvar_helper(chan, "TRYSTATUS", res ? "FAILED" : "SUCCESS");
- } else {
- ast_log(LOG_WARNING, "Could not find application (%s)\n", appname);
- pbx_builtin_setvar_helper(chan, "TRYSTATUS", "NOAPP");
- }
- }
- }
-
- ast_module_user_remove(u);
- return 0;
-}
-
-static int execif_exec(struct ast_channel *chan, void *data)
-{
- int res = 0;
- struct ast_module_user *u;
- char *myapp = NULL;
- char *mydata = NULL;
- char *expr = NULL;
- struct ast_app *app = NULL;
-
- u = ast_module_user_add(chan);
-
- expr = ast_strdupa(data);
-
- if ((myapp = strchr(expr,'|'))) {
- *myapp = '\0';
- myapp++;
- if ((mydata = strchr(myapp,'|'))) {
- *mydata = '\0';
- mydata++;
- } else
- mydata = "";
-
- if (pbx_checkcondition(expr)) {
- if ((app = pbx_findapp(myapp))) {
- res = pbx_exec(chan, app, mydata);
- } else {
- ast_log(LOG_WARNING, "Could not find application! (%s)\n", myapp);
- res = -1;
- }
- }
- } else {
- ast_log(LOG_ERROR,"Invalid Syntax.\n");
- res = -1;
- }
-
- ast_module_user_remove(u);
-
- return res;
-}
-
-static int unload_module(void)
-{
- int res;
-
- res = ast_unregister_application(app_exec);
- res |= ast_unregister_application(app_tryexec);
- res |= ast_unregister_application(app_execif);
-
- ast_module_user_hangup_all();
-
- return res;
-}
-
-static int load_module(void)
-{
- int res = ast_register_application(app_exec, exec_exec, exec_synopsis, exec_descrip);
- res |= ast_register_application(app_tryexec, tryexec_exec, tryexec_synopsis, tryexec_descrip);
- res |= ast_register_application(app_execif, execif_exec, execif_synopsis, execif_descrip);
- return res;
-}
-
-AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "Executes dialplan applications");
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 12:28:27 +0000