#define DHCP6_OPTION_HDR_LEN 4
#define DHCP6_OPTION_IA_NA_LEN 12
#define DHCP6_OPTION_IA_TA_LEN 4
-#define DHCP6_OPTION_IAADDR_LEN 24
static int option_append_hdr(uint8_t **buf, size_t *buflen, uint16_t optcode,
size_t optlen) {
LIST_FOREACH(addresses, addr, ia->addresses) {
r = option_append_hdr(buf, buflen, DHCP6_OPTION_IAADDR,
- DHCP6_OPTION_IAADDR_LEN);
+ sizeof(addr->iaaddr));
if (r < 0)
return r;
- memcpy(*buf, &addr->address, DHCP6_OPTION_IAADDR_LEN);
+ memcpy(*buf, &addr->iaaddr, sizeof(addr->iaaddr));
- *buf += DHCP6_OPTION_IAADDR_LEN;
- *buflen -= DHCP6_OPTION_IAADDR_LEN;
+ *buf += sizeof(addr->iaaddr);
+ *buflen -= sizeof(addr->iaaddr);
- ia_addrlen += DHCP6_OPTION_HDR_LEN + DHCP6_OPTION_IAADDR_LEN;
+ ia_addrlen += DHCP6_OPTION_HDR_LEN + sizeof(addr->iaaddr);
}
r = option_append_hdr(&ia_hdr, &ia_buflen, ia->type, len + ia_addrlen);
case DHCP6_OPTION_IA_NA:
if (*buflen < DHCP6_OPTION_IA_NA_LEN + DHCP6_OPTION_HDR_LEN +
- DHCP6_OPTION_IAADDR_LEN) {
+ sizeof(addr->iaaddr)) {
r = -ENOBUFS;
goto error;
}
case DHCP6_OPTION_IA_TA:
if (*buflen < DHCP6_OPTION_IA_TA_LEN + DHCP6_OPTION_HDR_LEN +
- DHCP6_OPTION_IAADDR_LEN) {
+ sizeof(addr->iaaddr)) {
r = -ENOBUFS;
goto error;
}
LIST_INIT(addresses, addr);
- memcpy(&addr->address, *buf, DHCP6_OPTION_IAADDR_LEN);
+ memcpy(&addr->iaaddr, *buf, sizeof(addr->iaaddr));
- lt_valid = be32toh(addr->lifetime_valid);
- lt_pref = be32toh(addr->lifetime_valid);
+ lt_valid = be32toh(addr->iaaddr.lifetime_valid);
+ lt_pref = be32toh(addr->iaaddr.lifetime_valid);
if (!lt_valid || lt_pref > lt_valid) {
log_dhcp6_client(client, "IA preferred %ds > valid %ds",