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xfrm: Add a new lookup key to match xfrm interfaces.

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This patch adds the xfrm interface id as a lookup key
for xfrm states and policies. With this we can assign
states and policies to virtual xfrm interfaces.

Signed-off-by: Steffen Klassert <[email protected]>
Acked-by: Shannon Nelson <[email protected]>
Acked-by: Benedict Wong <[email protected]>
Tested-by: Benedict Wong <[email protected]>
Tested-by: Antony Antony <[email protected]>
Reviewed-by: Eyal Birger <[email protected]>
This commit is contained in:
Steffen Klassert 2018-06-12 14:07:07 +02:00
commit 7e6526404a
7 changed files with 96 additions and 25 deletions
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6
net/key/af_key.c
View file

@ -1383,7 +1383,7 @@ static int pfkey_getspi(struct sock *sk, struct sk_buff *skb, const struct sadb_
}
if (!x)
x = xfrm_find_acq(net, &dummy_mark, mode, reqid, proto, xdaddr, xsaddr, 1, family);
x = xfrm_find_acq(net, &dummy_mark, mode, reqid, 0, proto, xdaddr, xsaddr, 1, family);
if (x == NULL)
return -ENOENT;
@ -2414,7 +2414,7 @@ static int pfkey_spddelete(struct sock *sk, struct sk_buff *skb, const struct sa
return err;
}
xp = xfrm_policy_bysel_ctx(net, DUMMY_MARK, XFRM_POLICY_TYPE_MAIN,
xp = xfrm_policy_bysel_ctx(net, DUMMY_MARK, 0, XFRM_POLICY_TYPE_MAIN,
pol->sadb_x_policy_dir - 1, &sel, pol_ctx,
1, &err);
security_xfrm_policy_free(pol_ctx);
@ -2663,7 +2663,7 @@ static int pfkey_spdget(struct sock *sk, struct sk_buff *skb, const struct sadb_
return -EINVAL;
delete = (hdr->sadb_msg_type == SADB_X_SPDDELETE2);
xp = xfrm_policy_byid(net, DUMMY_MARK, XFRM_POLICY_TYPE_MAIN,
xp = xfrm_policy_byid(net, DUMMY_MARK, 0, XFRM_POLICY_TYPE_MAIN,
dir, pol->sadb_x_policy_id, delete, &err);
if (xp == NULL)
return -ENOENT;