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/*
* Copyright (C) 2019-2022 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-proto.h"
void ogs_extract_digit_from_string(char *digit, char *string)
{
bool extracting = false;
int i = 0;
ogs_assert(string);
ogs_assert(digit);
while (*string && i < OGS_MAX_IMSI_BCD_LEN) {
if (*string >= '0' && *string <= '9') {
*digit++ = *string;
extracting = true;
} else if (extracting == true) {
break;
}
string++;
i++;
}
*digit = 0;
}
int ogs_paa_to_ip(const ogs_paa_t *paa, ogs_ip_t *ip)
{
ogs_assert(paa);
ogs_assert(ip);
memset(ip, 0, sizeof *ip);
if (paa->session_type == OGS_PDU_SESSION_TYPE_IPV4V6) {
ip->ipv4 = 1;
ip->addr = paa->both.addr;
ip->ipv6 = 1;
memcpy(ip->addr6, paa->both.addr6, OGS_IPV6_LEN);
} else if (paa->session_type == OGS_PDU_SESSION_TYPE_IPV4) {
ip->ipv4 = 1;
ip->ipv6 = 0;
ip->addr = paa->addr;
} else if (paa->session_type == OGS_PDU_SESSION_TYPE_IPV6) {
ip->ipv4 = 0;
ip->ipv6 = 1;
memcpy(ip->addr6, paa->addr6, OGS_IPV6_LEN);
} else {
ogs_error("No IPv4 or IPv6");
return OGS_ERROR;
}
return OGS_OK;
}
int ogs_ip_to_paa(const ogs_ip_t *ip, ogs_paa_t *paa)
{
if (ip->ipv4 && ip->ipv6) {
paa->session_type = OGS_PDU_SESSION_TYPE_IPV4V6;
paa->both.addr = ip->addr;
memcpy(paa->both.addr6, ip->addr6, OGS_IPV6_LEN);
} else if (ip->ipv6) {
paa->session_type = OGS_PDU_SESSION_TYPE_IPV6;
memcpy(paa->addr6, ip->addr6, OGS_IPV6_LEN);
} else if (ip->ipv4) {
paa->session_type = OGS_PDU_SESSION_TYPE_IPV4;
paa->addr = ip->addr;
} else {
return OGS_ERROR;
}
return OGS_OK;
}
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