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xfrm: export verify_userspi_info for pkfey and netlink interface

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In order to check against valid IPcomp spi range, export verify_userspi_info
for both pfkey and netlink interface.

Signed-off-by: Fan Du <fan.du@windriver.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Fan Du
2013-12-16 18:47:49 +08:00
committed by Steffen Klassert
parent ea9884b3ac
commit 776e9dd90c
4 changed files with 32 additions and 24 deletions
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net/key/af_key.c
+6
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@@ -1340,6 +1340,12 @@ static int pfkey_getspi(struct sock *sk, struct sk_buff *skb, const struct sadb_
max_spi = range->sadb_spirange_max;
}
err = verify_spi_info(x->id.proto, min_spi, max_spi);
if (err) {
xfrm_state_put(x);
return err;
}
err = xfrm_alloc_spi(x, min_spi, max_spi);
resp_skb = err ? ERR_PTR(err) : pfkey_xfrm_state2msg(x);