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[XFRM]: Fix wildcard as tunnel source

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Hashing SAs by source address breaks templates with wildcards as tunnel
source since the source address used for hashing/lookup is still 0/0.
Move source address lookup to xfrm_tmpl_resolve_one() so we can use the
real address in the lookup.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy
2006-09-19 12:57:34 -07:00
committed by David S. Miller
parent 1ef9696c90
commit a1e59abf82
6 changed files with 75 additions and 31 deletions
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15
net/ipv4/xfrm4_state.c
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@ -42,21 +42,6 @@ __xfrm4_init_tempsel(struct xfrm_state *x, struct flowi *fl,
x->props.saddr = tmpl->saddr;
if (x->props.saddr.a4 == 0)
x->props.saddr.a4 = saddr->a4;
if (tmpl->mode == XFRM_MODE_TUNNEL && x->props.saddr.a4 == 0) {
struct rtable *rt;
struct flowi fl_tunnel = {
.nl_u = {
.ip4_u = {
.daddr = x->id.daddr.a4,
}
}
};
if (!xfrm_dst_lookup((struct xfrm_dst **)&rt,
&fl_tunnel, AF_INET)) {
x->props.saddr.a4 = rt->rt_src;
dst_release(&rt->u.dst);
}
}
x->props.mode = tmpl->mode;
x->props.reqid = tmpl->reqid;
x->props.family = AF_INET;