send auth reply failure when needed.

src/main-auth.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2013 Nikos Mavrogiannopoulos
+ * Copyright (C) 2013, 2014 Nikos Mavrogiannopoulos
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by

src/main-misc.c

@@ -404,20 +404,19 @@ static int handle_auth_res(main_server_st * s, struct proc_st *proc,
 	} else if (result == 0) {
 		ret = accept_user(s, proc, cmd);
 		if (ret < 0) {
-			goto auth_ok;
+			goto finished;
 		}
 		proc->status = PS_AUTH_COMPLETED;
-		goto auth_ok;
 	} else if (result < 0) {
 		add_to_ip_ban_list(s, &proc->remote_addr,
 				   proc->remote_addr_len);
-		return result;
+		ret = result;
 	} else {
 		mslog(s, proc, LOG_ERR, "unexpected auth result: %d\n", result);
-		return ERR_BAD_COMMAND;
+		ret = ERR_BAD_COMMAND;
 	}
 
- auth_ok:
+ finished:
 	if (ret == ERR_WAIT_FOR_SCRIPT)
 		ret = 0;
 	else {
@@ -687,6 +686,8 @@ int handle_commands(main_server_st * s, struct proc_st *proc)
 			goto cleanup;
 		}
 
+		break;
+
 	case AUTH_REQ:
 		if (proc->status != PS_AUTH_INIT) {
 			mslog(s, proc, LOG_ERR,