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networkd: drop routes when lease expires

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Umut Tezduyar Lindskog
2014-04-01 22:55:54 +02:00
committed by Tom Gundersen
parent 8016b90484
commit 3e790eae01
1 changed files with 22 additions and 0 deletions
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22
src/network/networkd-link.c
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@@ -579,8 +579,11 @@ static int link_set_mtu(Link *link, uint32_t mtu) {
static int dhcp_lease_lost(Link *link) {
_cleanup_address_free_ Address *address = NULL;
_cleanup_route_free_ Route *route_gw = NULL;
_cleanup_route_free_ Route *route = NULL;
struct in_addr addr;
struct in_addr netmask;
struct in_addr gateway;
unsigned prefixlen;
int r;
@@ -593,8 +596,27 @@ static int dhcp_lease_lost(Link *link) {
if (r >= 0) {
sd_dhcp_lease_get_address(link->dhcp_lease, &addr);
sd_dhcp_lease_get_netmask(link->dhcp_lease, &netmask);
sd_dhcp_lease_get_router(link->dhcp_lease, &gateway);
prefixlen = net_netmask_to_prefixlen(&netmask);
r = route_new_dynamic(&route_gw);
if (r >= 0) {
route_gw->family = AF_INET;
route_gw->dst_addr.in = gateway;
route_gw->dst_prefixlen = 32;
route_gw->scope = RT_SCOPE_LINK;
route_drop(route_gw, link, &route_drop_handler);
}
r = route_new_dynamic(&route);
if (r >= 0) {
route->family = AF_INET;
route->in_addr.in = gateway;
route_drop(route, link, &route_drop_handler);
}
address->family = AF_INET;
address->in_addr.in = addr;
address->prefixlen = prefixlen;