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authorFan Du <fan.du@windriver.com>2013-12-16 18:47:49 +0800
committerSteffen Klassert <steffen.klassert@secunet.com>2013-12-16 12:54:02 +0100
commit776e9dd90ca223b82166eb2835389493b5914cba (patch)
tree565d2ac3f67fe6fa88e789fe94ac5cf9ee3a3d4b /net/xfrm/xfrm_user.c
parentea9884b3acf3311c8a11db67bfab21773f6f82ba (diff)
downloadlinux-776e9dd90ca223b82166eb2835389493b5914cba.tar.bz2
xfrm: export verify_userspi_info for pkfey and netlink interface
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>
Diffstat (limited to 'net/xfrm/xfrm_user.c')
-rw-r--r--net/xfrm/xfrm_user.c25
1 files changed, 1 insertions, 24 deletions
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 4027c4266a87..97681a390402 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1079,29 +1079,6 @@ out_noput:
return err;
}
-static int verify_userspi_info(struct xfrm_userspi_info *p)
-{
- switch (p->info.id.proto) {
- case IPPROTO_AH:
- case IPPROTO_ESP:
- break;
-
- case IPPROTO_COMP:
- /* IPCOMP spi is 16-bits. */
- if (p->max >= 0x10000)
- return -EINVAL;
- break;
-
- default:
- return -EINVAL;
- }
-
- if (p->min > p->max)
- return -EINVAL;
-
- return 0;
-}
-
static int xfrm_alloc_userspi(struct sk_buff *skb, struct nlmsghdr *nlh,
struct nlattr **attrs)
{
@@ -1116,7 +1093,7 @@ static int xfrm_alloc_userspi(struct sk_buff *skb, struct nlmsghdr *nlh,
struct xfrm_mark m;
p = nlmsg_data(nlh);
- err = verify_userspi_info(p);
+ err = verify_spi_info(p->info.id.proto, p->min, p->max);
if (err)
goto out_noput;