#include "dhcpv4.h"
#include "dhcpv6.h"
+static void dhcpv4_netevent_cb(unsigned long event, struct netevent_handler_info *info);
static int setup_dhcpv4_addresses(struct interface *iface);
static void update_static_assignments(struct interface *iface);
static void valid_until_cb(struct uloop_timeout *event);
+static void handle_addrlist_change(struct interface *iface);
static void free_dhcpv4_assignment(struct dhcpv4_assignment *a);
static void dhcpv4_fr_start(struct dhcpv4_assignment *a);
static void dhcpv4_fr_stop(struct dhcpv4_assignment *a);
uint32_t *leasetime, const char *hostname, const size_t hostname_len,
const bool accept_fr_nonce, bool *incl_fr_opt, uint32_t *fr_serverid);
+static struct netevent_handler dhcpv4_netevent_handler = { .cb = dhcpv4_netevent_cb, };
static struct uloop_timeout valid_until_timeout = {.cb = valid_until_cb};
static uint32_t serial = 0;
int dhcpv4_init(void)
{
uloop_timeout_set(&valid_until_timeout, 1000);
+ netlink_add_netevent_handler(&dhcpv4_netevent_handler);
+
return 0;
}
return 0;
}
+
+static void dhcpv4_netevent_cb(unsigned long event, struct netevent_handler_info *info)
+{
+ struct interface *iface = info->iface;
+
+ if (!iface || iface->dhcpv4 == MODE_DISABLED)
+ return;
+
+ switch (event) {
+ case NETEV_IFINDEX_CHANGE:
+ dhcpv4_setup_interface(iface, true);
+ break;
+ case NETEV_ADDRLIST_CHANGE:
+ handle_addrlist_change(iface);
+ break;
+ default:
+ break;
+ }
+}
+
static struct dhcpv4_assignment *find_assignment_by_hwaddr(struct interface *iface, const uint8_t *hwaddr)
{
struct dhcpv4_assignment *a;
struct odhcpd_ref_ip *ip = *ptr;
if (--ip->ref_cnt == 0) {
- netlink_setup_addr(&ip->addr, iface, false, false);
+ netlink_setup_addr(&ip->addr, iface->ifindex, false, false);
list_del(&ip->head);
free(ip);
uloop_timeout_set(event, 1000);
}
-void dhcpv4_addr_update(struct interface *iface)
+static void handle_addrlist_change(struct interface *iface)
{
- if (iface->dhcpv4 == MODE_DISABLED)
- return;
-
struct odhcpd_ipaddr ip;
struct odhcpd_ref_ip *a;
struct dhcpv4_assignment *c;
a = list_first_entry(&iface->dhcpv4_fr_ips, struct odhcpd_ref_ip, head);
- if (netlink_setup_addr(&a->addr, iface, false, true)) {
+ if (netlink_setup_addr(&a->addr, iface->ifindex, false, true)) {
syslog(LOG_ERR, "Failed to add ip address");
return;
}