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      1 /*
      2  * EAP-WSC common routines for Wi-Fi Protected Setup
      3  * Copyright (c) 2007, Jouni Malinen <j (at) w1.fi>
      4  *
      5  * This program is free software; you can redistribute it and/or modify
      6  * it under the terms of the GNU General Public License version 2 as
      7  * published by the Free Software Foundation.
      8  *
      9  * Alternatively, this software may be distributed under the terms of BSD
     10  * license.
     11  *
     12  * See README and COPYING for more details.
     13  */
     14 
     15 #include "includes.h"
     16 
     17 #include "common.h"
     18 #include "eap_defs.h"
     19 #include "eap_common.h"
     20 #include "wps/wps.h"
     21 #include "eap_wsc_common.h"
     22 
     23 struct wpabuf * eap_wsc_build_frag_ack(u8 id, u8 code)
     24 {
     25 	struct wpabuf *msg;
     26 
     27 	msg = eap_msg_alloc(EAP_VENDOR_WFA, EAP_VENDOR_TYPE_WSC, 2, code, id);
     28 	if (msg == NULL) {
     29 		wpa_printf(MSG_ERROR, "EAP-WSC: Failed to allocate memory for "
     30 			   "FRAG_ACK");
     31 		return NULL;
     32 	}
     33 
     34 	wpa_printf(MSG_DEBUG, "EAP-WSC: Send WSC/FRAG_ACK");
     35 	wpabuf_put_u8(msg, WSC_FRAG_ACK); /* Op-Code */
     36 	wpabuf_put_u8(msg, 0); /* Flags */
     37 
     38 	return msg;
     39 }
     40