tree bf7f1c6bb864f287d720b167e565ee3799d957b4
parent 7b11f69fb5c475f521db79f5fa22104e15842671
author Patrick McHardy <kaber@trash.net> 1137191676 -0800
committer David S. Miller <davem@davemloft.net> 1137191676 -0800

[XFRM]: IPsec tunnel wildcard address support

When the source address of a tunnel is given as 0.0.0.0 do a routing lookup
to get the real source address for the destination and fill that into the
acquire message. This allows to specify policies like this:

spdadd 172.16.128.13/32 172.16.0.0/20 any -P out ipsec
        esp/tunnel/0.0.0.0-x.x.x.x/require;
spdadd 172.16.0.0/20 172.16.128.13/32 any -P in ipsec
        esp/tunnel/x.x.x.x-0.0.0.0/require;

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>