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; }