static int dhcp6_prefix_expired(Link *link) {
int r;
sd_dhcp6_lease *lease;
struct in6_addr *expired_prefix, ip6_addr;
uint8_t expired_prefixlen;
uint32_t lifetime_preferred, lifetime_valid;
r = sd_icmp6_ra_get_expired_prefix(link->icmp6_router_discovery,
&expired_prefix, &expired_prefixlen);
if (r < 0)
return r;
r = sd_dhcp6_client_get_lease(link->dhcp6_client, &lease);
if (r < 0)
return r;
sd_dhcp6_lease_reset_address_iter(lease);
while (sd_dhcp6_lease_get_address(lease, &ip6_addr,
&lifetime_preferred,
&lifetime_valid) >= 0) {
r = sd_icmp6_prefix_match(expired_prefix, expired_prefixlen,
&ip6_addr);
if (r >= 0) {
r = dhcp6_address_update(link, &ip6_addr, 128,
lifetime_preferred,
lifetime_valid);
return r;
}
}
return 0;
}
static int dhcp6_prefix_expired(Link *link) {
int r;
sd_dhcp6_lease *lease;
struct in6_addr *expired_prefix, ip6_addr;
uint8_t expired_prefixlen;
uint32_t lifetime_preferred, lifetime_valid;
r = sd_icmp6_ra_get_expired_prefix(link->icmp6_router_discovery,
&expired_prefix, &expired_prefixlen);
if (r < 0)
return r;
r = sd_dhcp6_client_get_lease(link->dhcp6_client, &lease);
if (r < 0)
return r;
log_link_struct(link, LOG_INFO,
"MESSAGE=%-*s: IPv6 prefix "SD_ICMP6_ADDRESS_FORMAT_STR"/%d expired",
IFNAMSIZ, link->ifname,
SD_ICMP6_ADDRESS_FORMAT_VAL(*expired_prefix),
expired_prefixlen, NULL);
sd_dhcp6_lease_reset_address_iter(lease);
while (sd_dhcp6_lease_get_address(lease, &ip6_addr,
&lifetime_preferred,
&lifetime_valid) >= 0) {
r = sd_icmp6_prefix_match(expired_prefix, expired_prefixlen,
&ip6_addr);
if (r < 0)
continue;
log_link_struct(link, LOG_INFO,
"MESSAGE=%-*s: IPv6 prefix length updated "SD_ICMP6_ADDRESS_FORMAT_STR"/%d",
IFNAMSIZ, link->ifname,
SD_ICMP6_ADDRESS_FORMAT_VAL(ip6_addr), 128,
NULL);
dhcp6_address_update(link, &ip6_addr, 128, lifetime_preferred,
lifetime_valid);
}
return 0;
}
static int dhcp6_lease_address_acquired(sd_dhcp6_client *client, Link *link) {
int r;
sd_dhcp6_lease *lease;
struct in6_addr ip6_addr;
uint32_t lifetime_preferred, lifetime_valid;
uint8_t prefixlen;
r = sd_dhcp6_client_get_lease(client, &lease);
if (r < 0)
return r;
sd_dhcp6_lease_reset_address_iter(lease);
while (sd_dhcp6_lease_get_address(lease, &ip6_addr,
&lifetime_preferred,
&lifetime_valid) >= 0) {
r = sd_icmp6_ra_get_prefixlen(link->icmp6_router_discovery,
&ip6_addr, &prefixlen);
if (r < 0 && r != -EADDRNOTAVAIL) {
log_link_warning(link, "Could not get prefix information: %s",
strerror(-r));
return r;
}
if (r == -EADDRNOTAVAIL)
prefixlen = 128;
r = dhcp6_address_update(link, &ip6_addr, prefixlen,
lifetime_preferred, lifetime_valid);
if (r < 0)
return r;
}
return 0;
}
