slaacd(8): pltime 0 and temporary addresses

[Florian Obser]

Don't warn that we can't form a temporary address when a router
deprecates a prefix by sending a pltime of 0, this is normal.
Continue warning when the pltime is smaller than 5 as this is almost
certainly a configuration error.

OK?

diff --git engine.c engine.c
index 7b49b330328..94a4a232d6a 100644
--- engine.c
+++ engine.c
@@ -1932,14 +1932,15 @@ update_iface_ra_prefix(struct slaacd_iface *iface, 
struct radv *ra,
 
        /* privacy addresses do not depend on eui64 */
        if (!found_privacy && iface->autoconfprivacy) {
-               if (prefix->pltime < PRIV_REGEN_ADVANCE) {
+               if (prefix->pltime >= PRIV_REGEN_ADVANCE) {
+                       /* new privacy proposal */
+                       gen_address_proposal(iface, ra, prefix, 1);
+               } else if (prefix->pltime > 0) {
                        log_warnx("%s: pltime from %s is too small: %d < %d; "
                            "not generating privacy address", __func__,
                            sin6_to_str(&ra->from), prefix->pltime,
                            PRIV_REGEN_ADVANCE);
-               } else
-                       /* new privacy proposal */
-                       gen_address_proposal(iface, ra, prefix, 1);
+               }
        }
 }
 


-- 
I'm not entirely sure you are real.