@@ -432,8 +432,12 @@ Command examples:

 COMMAND -- version

 ------------------

-Show the current OpenVPN and Management Interface versions.

+Set the version (integer) of Management Interface supported by the

+client or show the current OpenVPN and Management Interface versions.

+Command examples:

+  version 2  -- Change management version of client to 2 (default = 1)

+  version    -- Show the version of OpenVPN and its Management Interface

 COMMAND -- auth-retry

 ---------------------

@@ -123,7 +123,7 @@ man_help(void)

     msg(M_CLIENT, "test n                 : Produce n lines of output for testing/debugging.");

     msg(M_CLIENT, "username type u        : Enter username u for a queried OpenVPN username.");

     msg(M_CLIENT, "verb [n]               : Set log verbosity level to n, or show if n is absent.");

-    msg(M_CLIENT, "version                : Show current version number.");

+    msg(M_CLIENT, "version [n]            : Set client's version to n or show current version of daemon.");

     msg(M_CLIENT, "END");

 }

@@ -1241,6 +1241,15 @@ man_network_change(struct management *man, bool samenetwork)

 #endif

 static void

+set_client_version(struct management *man, const char *version)

+{

+    if (version)

+    {

+        man->connection.client_version = atoi(version);

+    }

+}

+

+static void

 man_dispatch_command(struct management *man, struct status_output *so, const char **p, const int nparms)

 {

     struct gc_arena gc = gc_new();

@@ -1255,6 +1264,10 @@ man_dispatch_command(struct management *man, struct status_output *so, const cha

     {

         man_help();

     }

+    else if (streq(p[0], "version") && p[1])

+    {

+        set_client_version(man, p[1]);

+    }

     else if (streq(p[0], "version"))

     {

         msg(M_CLIENT, "OpenVPN Version: %s", title_string);

@@ -2508,6 +2521,8 @@ man_connection_init(struct management *man)

             man->connection.es = event_set_init(&maxevents, EVENT_METHOD_FAST);

         }

+        man->connection.client_version = 1; /* default version */

+

         /*

          * Listen/connect socket

          */

@@ -318,6 +318,7 @@ struct man_connection {

     int fdtosend;

     int lastfdreceived;

 #endif

+    int client_version;

 };

 struct management