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Tweak definition of a permanent IPv6 address on Linux.

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The linux kernel treats all addresses with a limited lifetime as being
non permanent, but when taking over the prefix livetimes from
upstream assigned prefixes through DHCP, addresses will always have a limited
lifetime.

Still reject temporary addresses, as they indicate autoconfigured
interfaces.

Contributed by T-Labs, Deutsche Telekom Innovation Laboratories

Signed-off-by: Jonas Gorski<jogo@openwrt.org>
This commit is contained in:
Jonas Gorski authored and Simon Kelley committed 2014-01-22 11:34:16 +00:00
1 parent dd0e0a3995
commit 57ab36e77d
1 file changed
+3 -3
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src/netlink.c
+3 -3
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@@ -264,10 +264,10 @@ int iface_enumerate(int family, void *parm, int (*callback)())
if (ifa->ifa_flags & IFA_F_DEPRECATED)
flags |= IFACE_DEPRECATED;
if (ifa->ifa_flags & IFA_F_PERMANENT)
flags |= IFACE_PERMANENT;
if (!(ifa->ifa_flags & IFA_F_TEMPORARY))
flags |= IFACE_PERMANENT;
if (addrp && callback_ok)
if (!((*callback)(addrp, (int)(ifa->ifa_prefixlen), (int)(ifa->ifa_scope),
(int)(ifa->ifa_index), flags,