wake_up_interruptible(&nlk->wait);
}
-static int netlink_unicast_kernel(struct sock *sk, struct sk_buff *skb)
+static int netlink_unicast_kernel(struct sock *sk, struct sk_buff *skb,
+ struct sock *ssk)
{
int ret;
struct netlink_sock *nlk = nlk_sk(sk);
if (nlk->netlink_rcv != NULL) {
ret = skb->len;
skb_set_owner_r(skb, sk);
+ NETLINK_CB(skb).ssk = ssk;
nlk->netlink_rcv(skb);
consume_skb(skb);
} else {
return PTR_ERR(sk);
}
if (netlink_is_kernel(sk))
- return netlink_unicast_kernel(sk, skb);
+ return netlink_unicast_kernel(sk, skb, ssk);
if (sk_filter(sk, skb)) {
err = skb->len;
if (NULL == siocb->scm)
siocb->scm = &scm;
- err = scm_send(sock, msg, siocb->scm);
+ err = scm_send(sock, msg, siocb->scm, true);
if (err < 0)
return err;
dst_pid = addr->nl_pid;
dst_group = ffs(addr->nl_groups);
err = -EPERM;
- if (dst_group && !netlink_capable(sock, NL_NONROOT_SEND))
+ if ((dst_group || dst_pid) &&
+ !netlink_capable(sock, NL_NONROOT_SEND))
goto out;
} else {
dst_pid = nlk->dst_pid;
rcu_assign_pointer(nl_table[NETLINK_USERSOCK].listeners, listeners);
nl_table[NETLINK_USERSOCK].module = THIS_MODULE;
nl_table[NETLINK_USERSOCK].registered = 1;
+ nl_table[NETLINK_USERSOCK].nl_nonroot = NL_NONROOT_SEND;
netlink_table_ungrab();
}