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authorJames Morris <jmorris@namei.org>2011-01-10 09:46:24 +1100
committerJames Morris <jmorris@namei.org>2011-01-10 09:46:24 +1100
commitd2e7ad19229f982fc1eb731827d82ceac90abfb3 (patch)
tree98a3741b4d4b27a48b3c7ea9babe331e539416a8 /net/xfrm/xfrm_user.c
parentd03a5d888fb688c832d470b749acc5ed38e0bc1d (diff)
parent0c21e3aaf6ae85bee804a325aa29c325209180fd (diff)
Merge branch 'master' into next
Conflicts: security/smack/smack_lsm.c Verified and added fix by Stephen Rothwell <sfr@canb.auug.org.au> Ok'd by Casey Schaufler <casey@schaufler-ca.com> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'net/xfrm/xfrm_user.c')
-rw-r--r--net/xfrm/xfrm_user.c19
1 files changed, 17 insertions, 2 deletions
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 8bae6b22c846..8eb889510916 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -148,7 +148,8 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
!attrs[XFRMA_ALG_AUTH_TRUNC]) ||
attrs[XFRMA_ALG_AEAD] ||
attrs[XFRMA_ALG_CRYPT] ||
- attrs[XFRMA_ALG_COMP])
+ attrs[XFRMA_ALG_COMP] ||
+ attrs[XFRMA_TFCPAD])
goto out;
break;
@@ -165,6 +166,9 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
attrs[XFRMA_ALG_CRYPT]) &&
attrs[XFRMA_ALG_AEAD])
goto out;
+ if (attrs[XFRMA_TFCPAD] &&
+ p->mode != XFRM_MODE_TUNNEL)
+ goto out;
break;
case IPPROTO_COMP:
@@ -172,7 +176,8 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
attrs[XFRMA_ALG_AEAD] ||
attrs[XFRMA_ALG_AUTH] ||
attrs[XFRMA_ALG_AUTH_TRUNC] ||
- attrs[XFRMA_ALG_CRYPT])
+ attrs[XFRMA_ALG_CRYPT] ||
+ attrs[XFRMA_TFCPAD])
goto out;
break;
@@ -186,6 +191,7 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
attrs[XFRMA_ALG_CRYPT] ||
attrs[XFRMA_ENCAP] ||
attrs[XFRMA_SEC_CTX] ||
+ attrs[XFRMA_TFCPAD] ||
!attrs[XFRMA_COADDR])
goto out;
break;
@@ -439,6 +445,9 @@ static struct xfrm_state *xfrm_state_construct(struct net *net,
goto error;
}
+ if (attrs[XFRMA_TFCPAD])
+ x->tfcpad = nla_get_u32(attrs[XFRMA_TFCPAD]);
+
if (attrs[XFRMA_COADDR]) {
x->coaddr = kmemdup(nla_data(attrs[XFRMA_COADDR]),
sizeof(*x->coaddr), GFP_KERNEL);
@@ -688,6 +697,9 @@ static int copy_to_user_state_extra(struct xfrm_state *x,
if (x->encap)
NLA_PUT(skb, XFRMA_ENCAP, sizeof(*x->encap), x->encap);
+ if (x->tfcpad)
+ NLA_PUT_U32(skb, XFRMA_TFCPAD, x->tfcpad);
+
if (xfrm_mark_put(skb, &x->mark))
goto nla_put_failure;
@@ -2122,6 +2134,7 @@ static const struct nla_policy xfrma_policy[XFRMA_MAX+1] = {
[XFRMA_MIGRATE] = { .len = sizeof(struct xfrm_user_migrate) },
[XFRMA_KMADDRESS] = { .len = sizeof(struct xfrm_user_kmaddress) },
[XFRMA_MARK] = { .len = sizeof(struct xfrm_mark) },
+ [XFRMA_TFCPAD] = { .type = NLA_U32 },
};
static struct xfrm_link {
@@ -2301,6 +2314,8 @@ static inline size_t xfrm_sa_len(struct xfrm_state *x)
l += nla_total_size(sizeof(*x->calg));
if (x->encap)
l += nla_total_size(sizeof(*x->encap));
+ if (x->tfcpad)
+ l += nla_total_size(sizeof(x->tfcpad));
if (x->security)
l += nla_total_size(sizeof(struct xfrm_user_sec_ctx) +
x->security->ctx_len);