Use 'emcmd' that POSTs to /update endpoint.

plugins/dynamix/include/publish.php

@@ -19,11 +19,12 @@ function curl_socket($socket, $url, $postdata = NULL)
         curl_setopt($ch, CURLOPT_POSTFIELDS, $postdata);
     }
     curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
-    curl_exec($ch);
+    $result = curl_exec($ch);
     curl_close($ch);
+    return $result;
 }
 function publish($endpoint, $message)
 {
-    curl_socket("/var/run/nginx.socket", "http://localhost/pub/$endpoint?buffer_length=1", $message);
+    return curl_socket("/var/run/nginx.socket", "http://localhost/pub/$endpoint?buffer_length=1", $message);
 }
 ?>

plugins/dynamix/scripts/emcmd

@@ -0,0 +1,14 @@
+#!/usr/bin/php
+<?PHP
+require_once "/usr/local/emhttp/webGui/include/publish.php";
+function emhttp_command($cmd)
+{
+    $var = parse_ini_file("/var/local/emhttp/var.ini");
+    $cmd .= "&csrf_token={$var['csrf_token']}";
+    return curl_socket("/var/run/emhttpd.socket", "http://localhost/update", $cmd);
+}
+$result = emhttp_command($argv[1]);
+if ($result === "") exit(0);
+echo "$result".PHP_EOL;
+exit(1);
+?>

plugins/dynamix/scripts/emhttpd_update

@@ -1,18 +0,0 @@
-#!/usr/bin/php -q
-<?PHP
-/* Copyright 2005-2018, Lime Technology
- * Copyright 2012-2018, Bergware International.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2,
- * as published by the Free Software Foundation.
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- */
-?>
-<?
-$docroot = $docroot ?? $_SERVER['DOCUMENT_ROOT'] ?: '/usr/local/emhttp';
-require_once "$docroot/webGui/include/publish.php";
-curl_socket("/var/run/emhttpd.socket", "http://localhost/status.htm");
-?>