forked from acouzens/open5gs
75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/*
|
|
* Copyright (C) 2019,2020 by Sukchan Lee <acetcom@gmail.com>
|
|
*
|
|
* This file is part of Open5GS.
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "ogs-nas-common.h"
|
|
|
|
void ogs_nas_imeisv_to_bcd(
|
|
ogs_nas_mobile_identity_imeisv_t *imeisv, uint8_t imeisv_len, char *bcd)
|
|
{
|
|
int bcd_len;
|
|
|
|
bcd[0] = '0' + imeisv->digit1;
|
|
bcd[1] = '0' + imeisv->digit2;
|
|
bcd[2] = '0' + imeisv->digit3;
|
|
bcd[3] = '0' + imeisv->digit4;
|
|
bcd[4] = '0' + imeisv->digit5;
|
|
bcd[5] = '0' + imeisv->digit6;
|
|
bcd[6] = '0' + imeisv->digit7;
|
|
bcd[7] = '0' + imeisv->digit8;
|
|
bcd[8] = '0' + imeisv->digit9;
|
|
bcd[9] = '0' + imeisv->digit10;
|
|
bcd[10] = '0' + imeisv->digit11;
|
|
bcd[11] = '0' + imeisv->digit12;
|
|
bcd[12] = '0' + imeisv->digit13;
|
|
bcd[13] = '0' + imeisv->digit14;
|
|
bcd[14] = '0' + imeisv->digit15;
|
|
bcd[15] = '0' + imeisv->digit16;
|
|
bcd[16] = '0' + imeisv->digit17;
|
|
|
|
bcd_len = imeisv_len * 2 - 1;
|
|
if (!imeisv->odd_even) { /* if bcd length is even */
|
|
if (imeisv->digit17 != 0xf) {
|
|
ogs_warn("Spec warning : bcd[%d] = 0x%x, 0x%x",
|
|
bcd_len-1, imeisv->digit17, bcd[bcd_len-1]);
|
|
}
|
|
(bcd_len)--;
|
|
}
|
|
|
|
bcd[bcd_len] = 0;
|
|
}
|
|
|
|
void *ogs_nas_imeisv_bcd_to_buffer(const char *in, uint8_t *out, int *out_len)
|
|
{
|
|
|
|
/*
|
|
* TS38.413
|
|
* 9.3.1.54 Masked IMEISV
|
|
*
|
|
* The first to fourth bits correspond to the first digit of the IMEISV,
|
|
* the fifth to eighth bits correspond to the second digit of the IMEISV,
|
|
* and so on
|
|
*
|
|
* IMEISV buffer uses different ordering.
|
|
* So, I'll other function instead of ogs_bcd_to_buffer();
|
|
*
|
|
*/
|
|
|
|
return ogs_bcd_to_buffer_reverse_order(in, out, out_len);
|
|
}
|