/*====================================================================*
*
* Copyright (c) 2013 Qualcomm Atheros, Inc.
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted (subject to the limitations
* in the disclaimer below) provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* * Neither the name of Qualcomm Atheros nor the names of
* its contributors may be used to endorse or promote products
* derived from this software without specific prior written
* permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
* GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE
* COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*--------------------------------------------------------------------*/
/*====================================================================*
*
* signed evse_cm_slac_match (struct session * session, struct channel * channel, struct message * message);
*
* slac.h
*
* receive CM_SLAC_MATCH.REQ and send CM_SLAC_MATCH.CNF containing
* random NMK/NID that EVSE-HLE will use to configure EVSE-PLC for
* charging;
*
* users must develop their own means of generating random NMK/NID
* pairs because it is not part of the standard; this example does
* not attempt to randomize NMK/NID;
*
*--------------------------------------------------------------------*/
#ifndef EVSE_CM_SLAC_MATCH_SOURCE
#define EVSE_CM_SLAC_MATCH_SOURCE
#include <stdio.h>
#include <string.h>
#include "../ether/channel.h"
#include "../tools/memory.h"
#include "../tools/error.h"
#include "../tools/flags.h"
#include "../iso15118/slac.h"
signed evse_cm_slac_match (struct session * session, struct channel * channel, struct message * message)
{
struct cm_slac_match_request * request = (struct cm_slac_match_request *) (message);
struct cm_slac_match_confirm * confirm = (struct cm_slac_match_confirm *) (message);
while (readmessage (channel, message, HOMEPLUG_MMV, (CM_SLAC_MATCH | MMTYPE_REQ)) > 0)
{
if (! memcmp (session->RunID, request->MatchVarField.RunID, sizeof (session->RunID)))
{
slac_debug (session, 0, __func__, "<-- CM_SLAC_MATCH.REQ");
memcpy (session->PEV_ID, request->MatchVarField.PEV_ID, sizeof (session->PEV_ID));
memcpy (session->PEV_MAC, request->MatchVarField.PEV_MAC, sizeof (session->PEV_MAC));
memcpy (session->RunID, request->MatchVarField.RunID, sizeof (session->RunID));
#if SLAC_DEBUG
if (_anyset (session->flags, SLAC_VERBOSE))
{
char string [256];
slac_debug (session, 0, __func__, "CM_SLAC_MATCH.REQ.APPLICATION_TYPE %d", request->APPLICATION_TYPE);
slac_debug (session, 0, __func__, "CM_SLAC_MATCH.REQ.SECURITY_TYPE %d", request->SECURITY_TYPE);
slac_debug (session, 0, __func__, "CM_SLAC_MATCH.REQ.MVFLength %d", LE16TOH (request->MVFLength));
slac_debug (session, 0, __func__, "CM_SLAC_MATCH.REQ.PEV_ID %s", HEXSTRING (string, request->MatchVarField.PEV_ID));
slac_debug (session, 0, __func__, "CM_SLAC_MATCH.REQ.PEV_MAC %s", HEXSTRING (string, request->MatchVarField.PEV_MAC));
slac_debug (session, 0, __func__, "CM_SLAC_MATCH.REQ.EVSE_ID %s", HEXSTRING (string, request->MatchVarField.EVSE_ID));
slac_debug (session, 0, __func__, "CM_SLAC_MATCH.REQ.EVSE_MAC %s", HEXSTRING (string, request->MatchVarField.EVSE_MAC));
slac_debug (session, 0, __func__, "CM_SLAC_MATCH.REQ.RunID %s", HEXSTRING (string, request->MatchVarField.RunID));
}
#endif
slac_debug (session, 0, __func__, "--> CM_SLAC_MATCH.CNF");
memset (message, 0, sizeof (* message));
EthernetHeader (& confirm->ethernet, session->PEV_MAC, channel->host, channel->type);
HomePlugHeader1 (& confirm->homeplug, HOMEPLUG_MMV, (CM_SLAC_MATCH | MMTYPE_CNF));
confirm->APPLICATION_TYPE = session->APPLICATION_TYPE;
confirm->SECURITY_TYPE = session->SECURITY_TYPE;
confirm->MVFLength = HTOLE16 (sizeof (confirm->MatchVarField));
memcpy (confirm->MatchVarField.PEV_ID, session->PEV_ID, sizeof (confirm->MatchVarField.PEV_ID));
memcpy (confirm->MatchVarField.PEV_MAC, session->PEV_MAC, sizeof (confirm->MatchVarField.PEV_MAC));
memcpy (confirm->MatchVarField.EVSE_ID, session->EVSE_ID, sizeof (confirm->MatchVarField.EVSE_ID));
memcpy (confirm->MatchVarField.EVSE_MAC, session->EVSE_MAC, sizeof (confirm->MatchVarField.EVSE_MAC));
memcpy (confirm->MatchVarField.RunID, session->RunID, sizeof (confirm->MatchVarField.RunID));
memcpy (confirm->MatchVarField.NID, session->NID, sizeof (confirm->MatchVarField.NID));
memcpy (confirm->MatchVarField.NMK, session->NMK, sizeof (confirm->MatchVarField.NMK));
if (sendmessage (channel, message, sizeof (* confirm)) <= 0)
{
return (slac_debug (session, 1, __func__, CHANNEL_CANTSEND));
}
return (0);
}
}
return (slac_debug (session, session->exit, __func__, "<-- CM_SLAC_MATCH.REQ ?"));
}
#endif