On 2024-06-17 15:02 +02, Sebastien Marie <sema...@kapouay.eu.org> wrote:
> Hi,
>
> I am using dhcp6leased on my gateway to get ipv6-pd over pppoe from my
> ISP.
>
> The problem is when the pppoe0 disconnect/reconnect due to LCP keepalive
> timeout, my ISP consider the dhcp leased as not valid anymore, and I
> need to re-ask a fresh one (running `dhcp6leasectl pppoe0` is enough) to
> have ipv6 working again.
>
> During the disconnect/reconnect, the status switch from 'active' to 'no
> carrier' and come back to 'active'. I wonder if dhcp6leased would be
> able to detect such state to reinit itself ?
yes, past me was lazy / not yet done with dhcp6leased.
Can you try this please? I don't have pppoe(4) but it does the right
thing for ifconfig vio0 down / up.
(We need to keep the "route" pledge in frontend.c for getifaddrs(3)).
OK?
diff --git engine.c engine.c
index 180847406b1..4847158aabf 100644
--- engine.c
+++ engine.c
@@ -1034,27 +1034,9 @@ state_transition(struct dhcp6leased_iface *iface, enum
if_state new_state)
switch (new_state) {
case IF_DOWN:
-#if 0
-XXXX
- if (iface->requested_ip.s_addr == INADDR_ANY) {
- /* nothing to do until iface comes up */
- iface->timo.tv_sec = -1;
- break;
- }
- if (old_state == IF_DOWN) {
- /* nameservers already withdrawn when if went down */
- deconfigure_interfaces(iface);
- /* nothing more to do until iface comes back */
- iface->timo.tv_sec = -1;
- } else {
- clock_gettime(CLOCK_MONOTONIC, &now);
- timespecsub(&now, &iface->request_time, &res);
- iface->timo.tv_sec = iface->lease_time - res.tv_sec;
- if (iface->timo.tv_sec < 0)
- iface->timo.tv_sec = 0; /* deconfigure now */
- }
-#endif
- /* nothing to do until iface comes up */
+ /*
+ * Nothing to do until iface comes up. IP addresses will expire.
+ */
iface->timo.tv_sec = -1;
break;
case IF_INIT:
diff --git frontend.c frontend.c
index b5e349ccae0..9d39edd49e4 100644
--- frontend.c
+++ frontend.c
@@ -69,7 +69,6 @@ struct iface {
__dead void frontend_shutdown(void);
void frontend_sig_handler(int, short, void *);
-void rtsock_update_iface(struct if_msghdr *, struct sockaddr_dl *);
void frontend_startup(void);
void update_iface(uint32_t);
void route_receive(int, short, void *);
@@ -595,64 +594,6 @@ update_iface(uint32_t if_index)
sizeof(iface->ifinfo));
}
-void
-rtsock_update_iface(struct if_msghdr *ifm, struct sockaddr_dl *sdl)
-{
-#if 0
-XXX
- struct iface *iface;
- struct imsg_ifinfo ifinfo;
- uint32_t if_index;
- int flags;
- char ifnamebuf[IF_NAMESIZE], *if_name;
-
- if_index = ifm->ifm_index;
-
- flags = ifm->ifm_flags;
-
- iface = get_iface_by_id(if_index);
- if_name = if_indextoname(if_index, ifnamebuf);
-
- if (if_name == NULL) {
- if (iface != NULL) {
- log_debug("interface with idx %d removed", if_index);
- frontend_imsg_compose_engine(IMSG_REMOVE_IF, 0, 0,
- &if_index, sizeof(if_index));
- remove_iface(if_index);
- }
- return;
- }
-
- memset(&ifinfo, 0, sizeof(ifinfo));
- ifinfo.if_index = if_index;
- ifinfo.link_state = ifm->ifm_data.ifi_link_state;
- ifinfo.rdomain = ifm->ifm_tableid;
- ifinfo.running = (flags & (IFF_UP | IFF_RUNNING)) ==
- (IFF_UP | IFF_RUNNING);
-
- if (iface == NULL) {
- if ((iface = calloc(1, sizeof(*iface))) == NULL)
- fatal("calloc");
- iface->udpsock = -1;
- LIST_INSERT_HEAD(&interfaces, iface, entries);
- frontend_imsg_compose_main(IMSG_OPEN_UDPSOCK, 0,
- &if_index, sizeof(if_index));
- } else {
- if (iface->ifinfo.rdomain != ifinfo.rdomain &&
- iface->udpsock != -1) {
- close(iface->udpsock);
- iface->udpsock = -1;
- }
- }
-
- if (memcmp(&iface->ifinfo, &ifinfo, sizeof(iface->ifinfo)) != 0) {
- memcpy(&iface->ifinfo, &ifinfo, sizeof(iface->ifinfo));
- frontend_imsg_compose_main(IMSG_UPDATE_IF, 0, &iface->ifinfo,
- sizeof(iface->ifinfo));
- }
-#endif
-}
-
void
frontend_startup(void)
{
@@ -660,8 +601,6 @@ frontend_startup(void)
fatalx("%s: did not receive a route socket from the main "
"process", __func__);
- if (pledge("stdio unix recvfd", NULL) == -1)
- fatal("pledge");
event_add(&ev_route, NULL);
}
@@ -707,16 +646,13 @@ route_receive(int fd, short events, void *arg)
void
handle_route_message(struct rt_msghdr *rtm, struct sockaddr **rti_info)
{
- struct sockaddr_dl *sdl = NULL;
struct if_announcemsghdr *ifan;
uint32_t if_index;
switch (rtm->rtm_type) {
case RTM_IFINFO:
- if (rtm->rtm_addrs & RTA_IFP && rti_info[RTAX_IFP]->sa_family
- == AF_LINK)
- sdl = (struct sockaddr_dl *)rti_info[RTAX_IFP];
- rtsock_update_iface((struct if_msghdr *)rtm, sdl);
+ if_index = ((struct if_msghdr *)rtm)->ifm_index;
+ update_iface(if_index);
break;
case RTM_IFANNOUNCE:
ifan = (struct if_announcemsghdr *)rtm;
--
In my defence, I have been left unsupervised.
