Add app_exec (bug 1198

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@2721 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/Makefile

@@ -26,7 +26,7 @@ APPS=app_dial.so app_playback.so app_voicemail.so app_directory.so app_mp3.so\
      app_enumlookup.so app_transfer.so app_setcidnum.so app_cdr.so \
      app_hasnewvoicemail.so app_sayunixtime.so app_cut.so app_read.so \
      app_setcdruserfield.so app_random.so app_ices.so app_eval.so \
-     app_nbscat.so app_sendtext.so
+     app_nbscat.so app_sendtext.so app_exec.so
 
 ifneq (${OSARCH},Darwin)
 APPS+=app_intercom.so

apps/app_exec.c

@@ -0,0 +1,113 @@
+/*
+ * Asterisk -- A telephony toolkit for Linux.
+ *
+ * Exec application
+ *
+ * Copyright (c) 2004 Tilghman Lesher.  All rights reserved.
+ *
+ * Tilghman Lesher <app_exec__v001@the-tilghman.com>
+ *
+ * $Id$
+ *
+ * This code is released by the author with no restrictions on usage.
+ *
+ */
+
+#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
+
+static char *tdesc = "Executes applications";
+
+static char *app_exec = "Exec";
+
+static char *exec_synopsis = "Exec(Appname(arguments))";
+
+static char *exec_descrip =
+"Exec(appname(arguments))\n"
+"  Allows an arbitrary application to be invoked even when not\n"
+"hardcoded into the dialplan.  Returns whatever value the\n"
+"app returns or -2 when 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 = -2;
+				}
+			}
+		} else {
+			ast_log(LOG_ERROR, "Out of memory\n");
+			res = -1;
+		}
+	}
+
+	LOCAL_USER_REMOVE(u);
+	return res;
+}
+
+int unload_module(void)
+{
+	STANDARD_HANGUP_LOCALUSERS;
+	return ast_unregister_application(app_exec);
+}
+
+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;
+}