Files
openairinterface5g/openair3/NAS/COMMON/IES/AuthenticationResponseParameter.c
T
2015-10-06 16:53:42 +00:00

98 lines
3.5 KiB
C

/*
* Copyright (c) 2015, EURECOM (www.eurecom.fr)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. 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.
*
* 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.
*
* The views and conclusions contained in the software and documentation are those
* of the authors and should not be interpreted as representing official policies,
* either expressed or implied, of the FreeBSD Project.
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include "TLVEncoder.h"
#include "TLVDecoder.h"
#include "AuthenticationResponseParameter.h"
int decode_authentication_response_parameter(AuthenticationResponseParameter *authenticationresponseparameter, uint8_t iei, uint8_t *buffer, uint32_t len)
{
int decoded = 0;
uint8_t ielen = 0;
int decode_result;
if (iei > 0) {
CHECK_IEI_DECODER(iei, *buffer);
decoded++;
}
ielen = *(buffer + decoded);
decoded++;
CHECK_LENGTH_DECODER(len - decoded, ielen);
if ((decode_result = decode_octet_string(&authenticationresponseparameter->res, ielen, buffer + decoded, len - decoded)) < 0)
return decode_result;
else
decoded += decode_result;
#if defined (NAS_DEBUG)
dump_authentication_response_parameter_xml(authenticationresponseparameter, iei);
#endif
return decoded;
}
int encode_authentication_response_parameter(AuthenticationResponseParameter *authenticationresponseparameter, uint8_t iei, uint8_t *buffer, uint32_t len)
{
uint8_t *lenPtr;
uint32_t encoded = 0;
int encode_result;
/* Checking IEI and pointer */
CHECK_PDU_POINTER_AND_LENGTH_ENCODER(buffer, AUTHENTICATION_RESPONSE_PARAMETER_MINIMUM_LENGTH, len);
#if defined (NAS_DEBUG)
dump_authentication_response_parameter_xml(authenticationresponseparameter, iei);
#endif
if (iei > 0) {
*buffer = iei;
encoded++;
}
lenPtr = (buffer + encoded);
encoded ++;
if ((encode_result = encode_octet_string(&authenticationresponseparameter->res, buffer + encoded, len - encoded)) < 0)
return encode_result;
else
encoded += encode_result;
*lenPtr = encoded - 1 - ((iei > 0) ? 1 : 0);
return encoded;
}
void dump_authentication_response_parameter_xml(AuthenticationResponseParameter *authenticationresponseparameter, uint8_t iei)
{
printf("<Authentication Response Parameter>\n");
dump_octet_string_xml(&authenticationresponseparameter->res);
printf("</Authentication Response Parameter>\n");
}