struct nlattr **attrs)
{
struct nlattr *rt = attrs[XFRMA_REPLAY_ESN_VAL];
+ struct xfrm_replay_state_esn *rs;
- if ((p->flags & XFRM_STATE_ESN) && !rt)
- return -EINVAL;
+ if (p->flags & XFRM_STATE_ESN) {
+ if (!rt)
+ return -EINVAL;
+
+ rs = nla_data(rt);
+
+ if (rs->bmp_len > XFRMA_REPLAY_ESN_MAX / sizeof(rs->bmp[0]) / 8)
+ return -EINVAL;
+
+ if (nla_len(rt) < xfrm_replay_state_esn_len(rs) &&
+ nla_len(rt) != sizeof(*rs))
+ return -EINVAL;
+ }
if (!rt)
return 0;
struct nlattr *rp)
{
struct xfrm_replay_state_esn *up;
+ int ulen;
if (!replay_esn || !rp)
return 0;
up = nla_data(rp);
+ ulen = xfrm_replay_state_esn_len(up);
- if (xfrm_replay_state_esn_len(replay_esn) !=
- xfrm_replay_state_esn_len(up))
+ if (nla_len(rp) < ulen || xfrm_replay_state_esn_len(replay_esn) != ulen)
return -EINVAL;
return 0;
struct nlattr *rta)
{
struct xfrm_replay_state_esn *p, *pp, *up;
+ int klen, ulen;
if (!rta)
return 0;
up = nla_data(rta);
+ klen = xfrm_replay_state_esn_len(up);
+ ulen = nla_len(rta) >= klen ? klen : sizeof(*up);
- p = kmemdup(up, xfrm_replay_state_esn_len(up), GFP_KERNEL);
+ p = kzalloc(klen, GFP_KERNEL);
if (!p)
return -ENOMEM;
- pp = kmemdup(up, xfrm_replay_state_esn_len(up), GFP_KERNEL);
+ pp = kzalloc(klen, GFP_KERNEL);
if (!pp) {
kfree(p);
return -ENOMEM;
}
+ memcpy(p, up, ulen);
+ memcpy(pp, up, ulen);
+
*replay_esn = p;
*preplay_esn = pp;
* somehow made shareable and move it to xfrm_state.c - JHS
*
*/
-static void xfrm_update_ae_params(struct xfrm_state *x, struct nlattr **attrs)
+static void xfrm_update_ae_params(struct xfrm_state *x, struct nlattr **attrs,
+ int update_esn)
{
struct nlattr *rp = attrs[XFRMA_REPLAY_VAL];
- struct nlattr *re = attrs[XFRMA_REPLAY_ESN_VAL];
+ struct nlattr *re = update_esn ? attrs[XFRMA_REPLAY_ESN_VAL] : NULL;
struct nlattr *lt = attrs[XFRMA_LTIME_VAL];
struct nlattr *et = attrs[XFRMA_ETIMER_THRESH];
struct nlattr *rt = attrs[XFRMA_REPLAY_THRESH];
goto error;
/* override default values from above */
- xfrm_update_ae_params(x, attrs);
+ xfrm_update_ae_params(x, attrs, 0);
return x;
}
c.seq = nlh->nlmsg_seq;
- c.pid = nlh->nlmsg_pid;
+ c.portid = nlh->nlmsg_pid;
c.event = nlh->nlmsg_type;
km_state_notify(x, &c);
goto out;
c.seq = nlh->nlmsg_seq;
- c.pid = nlh->nlmsg_pid;
+ c.portid = nlh->nlmsg_pid;
c.event = nlh->nlmsg_type;
km_state_notify(x, &c);
static void copy_to_user_state(struct xfrm_state *x, struct xfrm_usersa_info *p)
{
+ memset(p, 0, sizeof(*p));
memcpy(&p->id, &x->id, sizeof(p->id));
memcpy(&p->sel, &x->sel, sizeof(p->sel));
memcpy(&p->lft, &x->lft, sizeof(p->lft));
return -EMSGSIZE;
algo = nla_data(nla);
- strcpy(algo->alg_name, auth->alg_name);
+ strncpy(algo->alg_name, auth->alg_name, sizeof(algo->alg_name));
memcpy(algo->alg_key, auth->alg_key, (auth->alg_key_len + 7) / 8);
algo->alg_key_len = auth->alg_key_len;
struct nlmsghdr *nlh;
int err;
- nlh = nlmsg_put(skb, NETLINK_CB(in_skb).pid, sp->nlmsg_seq,
+ nlh = nlmsg_put(skb, NETLINK_CB(in_skb).portid, sp->nlmsg_seq,
XFRM_MSG_NEWSA, sizeof(*p), sp->nlmsg_flags);
if (nlh == NULL)
return -EMSGSIZE;
}
static int build_spdinfo(struct sk_buff *skb, struct net *net,
- u32 pid, u32 seq, u32 flags)
+ u32 portid, u32 seq, u32 flags)
{
struct xfrmk_spdinfo si;
struct xfrmu_spdinfo spc;
int err;
u32 *f;
- nlh = nlmsg_put(skb, pid, seq, XFRM_MSG_NEWSPDINFO, sizeof(u32), 0);
+ nlh = nlmsg_put(skb, portid, seq, XFRM_MSG_NEWSPDINFO, sizeof(u32), 0);
if (nlh == NULL) /* shouldn't really happen ... */
return -EMSGSIZE;
struct net *net = sock_net(skb->sk);
struct sk_buff *r_skb;
u32 *flags = nlmsg_data(nlh);
- u32 spid = NETLINK_CB(skb).pid;
+ u32 sportid = NETLINK_CB(skb).portid;
u32 seq = nlh->nlmsg_seq;
r_skb = nlmsg_new(xfrm_spdinfo_msgsize(), GFP_ATOMIC);
if (r_skb == NULL)
return -ENOMEM;
- if (build_spdinfo(r_skb, net, spid, seq, *flags) < 0)
+ if (build_spdinfo(r_skb, net, sportid, seq, *flags) < 0)
BUG();
- return nlmsg_unicast(net->xfrm.nlsk, r_skb, spid);
+ return nlmsg_unicast(net->xfrm.nlsk, r_skb, sportid);
}
static inline size_t xfrm_sadinfo_msgsize(void)
}
static int build_sadinfo(struct sk_buff *skb, struct net *net,
- u32 pid, u32 seq, u32 flags)
+ u32 portid, u32 seq, u32 flags)
{
struct xfrmk_sadinfo si;
struct xfrmu_sadhinfo sh;
int err;
u32 *f;
- nlh = nlmsg_put(skb, pid, seq, XFRM_MSG_NEWSADINFO, sizeof(u32), 0);
+ nlh = nlmsg_put(skb, portid, seq, XFRM_MSG_NEWSADINFO, sizeof(u32), 0);
if (nlh == NULL) /* shouldn't really happen ... */
return -EMSGSIZE;
struct net *net = sock_net(skb->sk);
struct sk_buff *r_skb;
u32 *flags = nlmsg_data(nlh);
- u32 spid = NETLINK_CB(skb).pid;
+ u32 sportid = NETLINK_CB(skb).portid;
u32 seq = nlh->nlmsg_seq;
r_skb = nlmsg_new(xfrm_sadinfo_msgsize(), GFP_ATOMIC);
if (r_skb == NULL)
return -ENOMEM;
- if (build_sadinfo(r_skb, net, spid, seq, *flags) < 0)
+ if (build_sadinfo(r_skb, net, sportid, seq, *flags) < 0)
BUG();
- return nlmsg_unicast(net->xfrm.nlsk, r_skb, spid);
+ return nlmsg_unicast(net->xfrm.nlsk, r_skb, sportid);
}
static int xfrm_get_sa(struct sk_buff *skb, struct nlmsghdr *nlh,
if (IS_ERR(resp_skb)) {
err = PTR_ERR(resp_skb);
} else {
- err = nlmsg_unicast(net->xfrm.nlsk, resp_skb, NETLINK_CB(skb).pid);
+ err = nlmsg_unicast(net->xfrm.nlsk, resp_skb, NETLINK_CB(skb).portid);
}
xfrm_state_put(x);
out_noput:
goto out;
}
- err = nlmsg_unicast(net->xfrm.nlsk, resp_skb, NETLINK_CB(skb).pid);
+ err = nlmsg_unicast(net->xfrm.nlsk, resp_skb, NETLINK_CB(skb).portid);
out:
xfrm_state_put(x);
static void copy_to_user_policy(struct xfrm_policy *xp, struct xfrm_userpolicy_info *p, int dir)
{
+ memset(p, 0, sizeof(*p));
memcpy(&p->sel, &xp->selector, sizeof(p->sel));
memcpy(&p->lft, &xp->lft, sizeof(p->lft));
memcpy(&p->curlft, &xp->curlft, sizeof(p->curlft));
c.event = nlh->nlmsg_type;
c.seq = nlh->nlmsg_seq;
- c.pid = nlh->nlmsg_pid;
+ c.portid = nlh->nlmsg_pid;
km_policy_notify(xp, p->dir, &c);
xfrm_pol_put(xp);
struct xfrm_user_tmpl *up = &vec[i];
struct xfrm_tmpl *kp = &xp->xfrm_vec[i];
+ memset(up, 0, sizeof(*up));
memcpy(&up->id, &kp->id, sizeof(up->id));
up->family = kp->encap_family;
memcpy(&up->saddr, &kp->saddr, sizeof(up->saddr));
struct nlmsghdr *nlh;
int err;
- nlh = nlmsg_put(skb, NETLINK_CB(in_skb).pid, sp->nlmsg_seq,
+ nlh = nlmsg_put(skb, NETLINK_CB(in_skb).portid, sp->nlmsg_seq,
XFRM_MSG_NEWPOLICY, sizeof(*p), sp->nlmsg_flags);
if (nlh == NULL)
return -EMSGSIZE;
err = PTR_ERR(resp_skb);
} else {
err = nlmsg_unicast(net->xfrm.nlsk, resp_skb,
- NETLINK_CB(skb).pid);
+ NETLINK_CB(skb).portid);
}
} else {
uid_t loginuid = audit_get_loginuid(current);
c.data.byid = p->index;
c.event = nlh->nlmsg_type;
c.seq = nlh->nlmsg_seq;
- c.pid = nlh->nlmsg_pid;
+ c.portid = nlh->nlmsg_pid;
km_policy_notify(xp, p->dir, &c);
}
c.data.proto = p->proto;
c.event = nlh->nlmsg_type;
c.seq = nlh->nlmsg_seq;
- c.pid = nlh->nlmsg_pid;
+ c.portid = nlh->nlmsg_pid;
c.net = net;
km_state_notify(NULL, &c);
struct nlmsghdr *nlh;
int err;
- nlh = nlmsg_put(skb, c->pid, c->seq, XFRM_MSG_NEWAE, sizeof(*id), 0);
+ nlh = nlmsg_put(skb, c->portid, c->seq, XFRM_MSG_NEWAE, sizeof(*id), 0);
if (nlh == NULL)
return -EMSGSIZE;
spin_lock_bh(&x->lock);
c.data.aevent = p->flags;
c.seq = nlh->nlmsg_seq;
- c.pid = nlh->nlmsg_pid;
+ c.portid = nlh->nlmsg_pid;
if (build_aevent(r_skb, x, &c) < 0)
BUG();
- err = nlmsg_unicast(net->xfrm.nlsk, r_skb, NETLINK_CB(skb).pid);
+ err = nlmsg_unicast(net->xfrm.nlsk, r_skb, NETLINK_CB(skb).portid);
spin_unlock_bh(&x->lock);
xfrm_state_put(x);
return err;
goto out;
spin_lock_bh(&x->lock);
- xfrm_update_ae_params(x, attrs);
+ xfrm_update_ae_params(x, attrs, 1);
spin_unlock_bh(&x->lock);
c.event = nlh->nlmsg_type;
c.seq = nlh->nlmsg_seq;
- c.pid = nlh->nlmsg_pid;
+ c.portid = nlh->nlmsg_pid;
c.data.aevent = XFRM_AE_CU;
km_state_notify(x, &c);
err = 0;
c.data.type = type;
c.event = nlh->nlmsg_type;
c.seq = nlh->nlmsg_seq;
- c.pid = nlh->nlmsg_pid;
+ c.portid = nlh->nlmsg_pid;
c.net = net;
km_policy_notify(NULL, 0, &c);
return 0;
// reset the timers here?
WARN(1, "Dont know what to do with soft policy expire\n");
}
- km_policy_expired(xp, p->dir, up->hard, current->pid);
+ km_policy_expired(xp, p->dir, up->hard, nlh->nlmsg_pid);
out:
xfrm_pol_put(xp);
err = -EINVAL;
if (x->km.state != XFRM_STATE_VALID)
goto out;
- km_state_expired(x, ue->hard, current->pid);
+ km_state_expired(x, ue->hard, nlh->nlmsg_pid);
if (ue->hard) {
uid_t loginuid = audit_get_loginuid(current);
struct nlmsghdr *nlh;
int err;
- nlh = nlmsg_put(skb, c->pid, 0, XFRM_MSG_EXPIRE, sizeof(*ue), 0);
+ nlh = nlmsg_put(skb, c->portid, 0, XFRM_MSG_EXPIRE, sizeof(*ue), 0);
if (nlh == NULL)
return -EMSGSIZE;
if (skb == NULL)
return -ENOMEM;
- nlh = nlmsg_put(skb, c->pid, c->seq, XFRM_MSG_FLUSHSA, sizeof(*p), 0);
+ nlh = nlmsg_put(skb, c->portid, c->seq, XFRM_MSG_FLUSHSA, sizeof(*p), 0);
if (nlh == NULL) {
kfree_skb(skb);
return -EMSGSIZE;
if (skb == NULL)
return -ENOMEM;
- nlh = nlmsg_put(skb, c->pid, c->seq, c->event, headlen, 0);
+ nlh = nlmsg_put(skb, c->portid, c->seq, c->event, headlen, 0);
err = -EMSGSIZE;
if (nlh == NULL)
goto out_free_skb;
}
static int build_acquire(struct sk_buff *skb, struct xfrm_state *x,
- struct xfrm_tmpl *xt, struct xfrm_policy *xp,
- int dir)
+ struct xfrm_tmpl *xt, struct xfrm_policy *xp)
{
__u32 seq = xfrm_get_acqseq();
struct xfrm_user_acquire *ua;
memcpy(&ua->id, &x->id, sizeof(ua->id));
memcpy(&ua->saddr, &x->props.saddr, sizeof(ua->saddr));
memcpy(&ua->sel, &x->sel, sizeof(ua->sel));
- copy_to_user_policy(xp, &ua->policy, dir);
+ copy_to_user_policy(xp, &ua->policy, XFRM_POLICY_OUT);
ua->aalgos = xt->aalgos;
ua->ealgos = xt->ealgos;
ua->calgos = xt->calgos;
}
static int xfrm_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *xt,
- struct xfrm_policy *xp, int dir)
+ struct xfrm_policy *xp)
{
struct net *net = xs_net(x);
struct sk_buff *skb;
if (skb == NULL)
return -ENOMEM;
- if (build_acquire(skb, x, xt, xp, dir) < 0)
+ if (build_acquire(skb, x, xt, xp) < 0)
BUG();
return nlmsg_multicast(net->xfrm.nlsk, skb, 0, XFRMNLGRP_ACQUIRE, GFP_ATOMIC);
struct nlmsghdr *nlh;
int err;
- nlh = nlmsg_put(skb, c->pid, 0, XFRM_MSG_POLEXPIRE, sizeof(*upe), 0);
+ nlh = nlmsg_put(skb, c->portid, 0, XFRM_MSG_POLEXPIRE, sizeof(*upe), 0);
if (nlh == NULL)
return -EMSGSIZE;
if (skb == NULL)
return -ENOMEM;
- nlh = nlmsg_put(skb, c->pid, c->seq, c->event, headlen, 0);
+ nlh = nlmsg_put(skb, c->portid, c->seq, c->event, headlen, 0);
err = -EMSGSIZE;
if (nlh == NULL)
goto out_free_skb;
if (skb == NULL)
return -ENOMEM;
- nlh = nlmsg_put(skb, c->pid, c->seq, XFRM_MSG_FLUSHPOLICY, 0, 0);
+ nlh = nlmsg_put(skb, c->portid, c->seq, XFRM_MSG_FLUSHPOLICY, 0, 0);
err = -EMSGSIZE;
if (nlh == NULL)
goto out_free_skb;
.input = xfrm_netlink_rcv,
};
- nlsk = netlink_kernel_create(net, NETLINK_XFRM, THIS_MODULE, &cfg);
+ nlsk = netlink_kernel_create(net, NETLINK_XFRM, &cfg);
if (nlsk == NULL)
return -ENOMEM;
net->xfrm.nlsk_stash = nlsk; /* Don't set to NULL */
projects / deliverable / linux.git / blobdiff