static bool dhcpv4_assign(struct interface *iface,
struct dhcpv4_assignment *assign, uint32_t raddr)
{
- const unsigned tries = 10;
+ const unsigned tries = 100;
uint32_t start = ntohl(iface->dhcpv4_start.s_addr);
uint32_t end = ntohl(iface->dhcpv4_end.s_addr);
uint32_t count = end - start + 1;
- // Seed RNG with checksum of DUID
+ // Seed RNG with checksum of hwaddress
uint32_t seed = 0;
for (size_t i = 0; i < sizeof(assign->hwaddr); ++i)
seed += assign->hwaddr[i];
if (assigned && a)
lease = a;
} else if (msg == DHCPV4_MSG_RELEASE) {
- if (a) {
+ if (a && a->valid_until != LONG_MAX)
a->valid_until = 0;
- }
- } else if (msg == DHCPV4_MSG_DECLINE) {
+ } else if (msg == DHCPV4_MSG_DECLINE && a->valid_until != LONG_MAX) {
memset(a->hwaddr, 0, sizeof(a->hwaddr));
a->valid_until = now + 3600; // Block address for 1h
}