diff options
| -rw-r--r-- | net/xfrm/xfrm_user.c | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 303092f7088b..6106b72826d3 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -31,8 +31,6 @@ #include <linux/in6.h> #endif -#define DUMMY_MARK 0 - static inline int aead_len(struct xfrm_algo_aead *alg) { return sizeof(*alg) + ((alg->alg_key_len + 7) / 8); @@ -1234,6 +1232,8 @@ static struct xfrm_policy *xfrm_policy_construct(struct net *net, struct xfrm_us if (err) goto error; + xfrm_mark_get(attrs, &xp->mark); + return xp; error: *errp = err; @@ -1380,10 +1380,13 @@ static int dump_one_policy(struct xfrm_policy *xp, int dir, int count, void *ptr goto nlmsg_failure; if (copy_to_user_policy_type(xp->type, skb) < 0) goto nlmsg_failure; + if (xfrm_mark_put(skb, &xp->mark)) + goto nla_put_failure; nlmsg_end(skb, nlh); return 0; +nla_put_failure: nlmsg_failure: nlmsg_cancel(skb, nlh); return -EMSGSIZE; @@ -1455,6 +1458,8 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh, int err; struct km_event c; int delete; + struct xfrm_mark m; + u32 mark = xfrm_mark_get(attrs, &m); p = nlmsg_data(nlh); delete = nlh->nlmsg_type == XFRM_MSG_DELPOLICY; @@ -1468,7 +1473,7 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh, return err; if (p->index) - xp = xfrm_policy_byid(net, DUMMY_MARK, type, p->dir, p->index, delete, &err); + xp = xfrm_policy_byid(net, mark, type, p->dir, p->index, delete, &err); else { struct nlattr *rt = attrs[XFRMA_SEC_CTX]; struct xfrm_sec_ctx *ctx; @@ -1485,7 +1490,7 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh, if (err) return err; } - xp = xfrm_policy_bysel_ctx(net, DUMMY_MARK, type, p->dir, &p->sel, + xp = xfrm_policy_bysel_ctx(net, mark, type, p->dir, &p->sel, ctx, delete, &err); security_xfrm_policy_free(ctx); } @@ -1729,13 +1734,15 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh, struct xfrm_userpolicy_info *p = &up->pol; u8 type = XFRM_POLICY_TYPE_MAIN; int err = -ENOENT; + struct xfrm_mark m; + u32 mark = xfrm_mark_get(attrs, &m); err = copy_from_user_policy_type(&type, attrs); if (err) return err; if (p->index) - xp = xfrm_policy_byid(net, DUMMY_MARK, type, p->dir, p->index, 0, &err); + xp = xfrm_policy_byid(net, mark, type, p->dir, p->index, 0, &err); else { struct nlattr *rt = attrs[XFRMA_SEC_CTX]; struct xfrm_sec_ctx *ctx; @@ -1752,7 +1759,7 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh, if (err) return err; } - xp = xfrm_policy_bysel_ctx(net, DUMMY_MARK, type, p->dir, + xp = xfrm_policy_bysel_ctx(net, mark, type, p->dir, &p->sel, ctx, 0, &err); security_xfrm_policy_free(ctx); } @@ -2424,9 +2431,12 @@ static int build_acquire(struct sk_buff *skb, struct xfrm_state *x, goto nlmsg_failure; if (copy_to_user_policy_type(xp->type, skb) < 0) goto nlmsg_failure; + if (xfrm_mark_put(skb, &xp->mark)) + goto nla_put_failure; return nlmsg_end(skb, nlh); +nla_put_failure: nlmsg_failure: nlmsg_cancel(skb, nlh); return -EMSGSIZE; @@ -2513,6 +2523,7 @@ static inline size_t xfrm_polexpire_msgsize(struct xfrm_policy *xp) return NLMSG_ALIGN(sizeof(struct xfrm_user_polexpire)) + nla_total_size(sizeof(struct xfrm_user_tmpl) * xp->xfrm_nr) + nla_total_size(xfrm_user_sec_ctx_size(xp->security)) + + nla_total_size(sizeof(struct xfrm_mark)) + userpolicy_type_attrsize(); } @@ -2535,10 +2546,13 @@ static int build_polexpire(struct sk_buff *skb, struct xfrm_policy *xp, goto nlmsg_failure; if (copy_to_user_policy_type(xp->type, skb) < 0) goto nlmsg_failure; + if (xfrm_mark_put(skb, &xp->mark)) + goto nla_put_failure; upe->hard = !!hard; return nlmsg_end(skb, nlh); +nla_put_failure: nlmsg_failure: nlmsg_cancel(skb, nlh); return -EMSGSIZE; @@ -2575,6 +2589,7 @@ static int xfrm_notify_policy(struct xfrm_policy *xp, int dir, struct km_event * headlen = sizeof(*id); } len += userpolicy_type_attrsize(); + len += nla_total_size(sizeof(struct xfrm_mark)); len += NLMSG_ALIGN(headlen); skb = nlmsg_new(len, GFP_ATOMIC); @@ -2610,10 +2625,14 @@ static int xfrm_notify_policy(struct xfrm_policy *xp, int dir, struct km_event * if (copy_to_user_policy_type(xp->type, skb) < 0) goto nlmsg_failure; + if (xfrm_mark_put(skb, &xp->mark)) + goto nla_put_failure; + nlmsg_end(skb, nlh); return nlmsg_multicast(net->xfrm.nlsk, skb, 0, XFRMNLGRP_POLICY, GFP_ATOMIC); +nla_put_failure: nlmsg_failure: kfree_skb(skb); return -1; |