diff options
author | Sabrina Dubroca <sd@queasysnail.net> | 2022-08-30 16:23:10 +0200 |
---|---|---|
committer | Steffen Klassert <steffen.klassert@secunet.com> | 2022-08-31 11:24:59 +0200 |
commit | fb7deaba40cfc6b5eb91b7431102520c4b156513 (patch) | |
tree | bb3685a34460ee94c049e0fd5cdcd5ffca2a487c | |
parent | 24fc544fb525a2d1cabe4e77e673938bf2e45aed (diff) | |
download | linux-fb7deaba40cfc6b5eb91b7431102520c4b156513.tar.bz2 |
xfrm: add extack to verify_policy_type
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
-rw-r--r-- | net/xfrm/xfrm_user.c | 28 |
1 files changed, 17 insertions, 11 deletions
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 0042b77337bd..0f2a2aa1e289 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -1497,7 +1497,7 @@ static int verify_policy_dir(u8 dir, struct netlink_ext_ack *extack) return 0; } -static int verify_policy_type(u8 type) +static int verify_policy_type(u8 type, struct netlink_ext_ack *extack) { switch (type) { case XFRM_POLICY_TYPE_MAIN: @@ -1507,6 +1507,7 @@ static int verify_policy_type(u8 type) break; default: + NL_SET_ERR_MSG(extack, "Invalid policy type"); return -EINVAL; } @@ -1688,7 +1689,8 @@ static int copy_from_user_tmpl(struct xfrm_policy *pol, struct nlattr **attrs) return 0; } -static int copy_from_user_policy_type(u8 *tp, struct nlattr **attrs) +static int copy_from_user_policy_type(u8 *tp, struct nlattr **attrs, + struct netlink_ext_ack *extack) { struct nlattr *rt = attrs[XFRMA_POLICY_TYPE]; struct xfrm_userpolicy_type *upt; @@ -1700,7 +1702,7 @@ static int copy_from_user_policy_type(u8 *tp, struct nlattr **attrs) type = upt->type; } - err = verify_policy_type(type); + err = verify_policy_type(type, extack); if (err) return err; @@ -1735,7 +1737,11 @@ static void copy_to_user_policy(struct xfrm_policy *xp, struct xfrm_userpolicy_i p->share = XFRM_SHARE_ANY; /* XXX xp->share */ } -static struct xfrm_policy *xfrm_policy_construct(struct net *net, struct xfrm_userpolicy_info *p, struct nlattr **attrs, int *errp) +static struct xfrm_policy *xfrm_policy_construct(struct net *net, + struct xfrm_userpolicy_info *p, + struct nlattr **attrs, + int *errp, + struct netlink_ext_ack *extack) { struct xfrm_policy *xp = xfrm_policy_alloc(net, GFP_KERNEL); int err; @@ -1747,7 +1753,7 @@ static struct xfrm_policy *xfrm_policy_construct(struct net *net, struct xfrm_us copy_from_user_policy(xp, p); - err = copy_from_user_policy_type(&xp->type, attrs); + err = copy_from_user_policy_type(&xp->type, attrs, extack); if (err) goto error; @@ -1787,7 +1793,7 @@ static int xfrm_add_policy(struct sk_buff *skb, struct nlmsghdr *nlh, if (err) return err; - xp = xfrm_policy_construct(net, p, attrs, &err); + xp = xfrm_policy_construct(net, p, attrs, &err, extack); if (!xp) return err; @@ -2099,7 +2105,7 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh, p = nlmsg_data(nlh); delete = nlh->nlmsg_type == XFRM_MSG_DELPOLICY; - err = copy_from_user_policy_type(&type, attrs); + err = copy_from_user_policy_type(&type, attrs, extack); if (err) return err; @@ -2371,7 +2377,7 @@ static int xfrm_flush_policy(struct sk_buff *skb, struct nlmsghdr *nlh, u8 type = XFRM_POLICY_TYPE_MAIN; int err; - err = copy_from_user_policy_type(&type, attrs); + err = copy_from_user_policy_type(&type, attrs, extack); if (err) return err; @@ -2404,7 +2410,7 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh, struct xfrm_mark m; u32 if_id = 0; - err = copy_from_user_policy_type(&type, attrs); + err = copy_from_user_policy_type(&type, attrs, extack); if (err) return err; @@ -2521,7 +2527,7 @@ static int xfrm_add_acquire(struct sk_buff *skb, struct nlmsghdr *nlh, goto free_state; /* build an XP */ - xp = xfrm_policy_construct(net, &ua->policy, attrs, &err); + xp = xfrm_policy_construct(net, &ua->policy, attrs, &err, extack); if (!xp) goto free_state; @@ -2617,7 +2623,7 @@ static int xfrm_do_migrate(struct sk_buff *skb, struct nlmsghdr *nlh, kmp = attrs[XFRMA_KMADDRESS] ? &km : NULL; - err = copy_from_user_policy_type(&type, attrs); + err = copy_from_user_policy_type(&type, attrs, extack); if (err) return err; |