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Diffstat (limited to 'net/core/sock_diag.c')
-rw-r--r--net/core/sock_diag.c23
1 files changed, 20 insertions, 3 deletions
diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c
index 0c1d58d43f67..a996ce8c8fb2 100644
--- a/net/core/sock_diag.c
+++ b/net/core/sock_diag.c
@@ -214,7 +214,7 @@ void sock_diag_unregister(const struct sock_diag_handler *hnld)
}
EXPORT_SYMBOL_GPL(sock_diag_unregister);
-static int __sock_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
+static int __sock_diag_cmd(struct sk_buff *skb, struct nlmsghdr *nlh)
{
int err;
struct sock_diag_req *req = nlmsg_data(nlh);
@@ -234,8 +234,12 @@ static int __sock_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
hndl = sock_diag_handlers[req->sdiag_family];
if (hndl == NULL)
err = -ENOENT;
- else
+ else if (nlh->nlmsg_type == SOCK_DIAG_BY_FAMILY)
err = hndl->dump(skb, nlh);
+ else if (nlh->nlmsg_type == SOCK_DESTROY && hndl->destroy)
+ err = hndl->destroy(skb, nlh);
+ else
+ err = -EOPNOTSUPP;
mutex_unlock(&sock_diag_table_mutex);
return err;
@@ -261,7 +265,8 @@ static int sock_diag_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
return ret;
case SOCK_DIAG_BY_FAMILY:
- return __sock_diag_rcv_msg(skb, nlh);
+ case SOCK_DESTROY:
+ return __sock_diag_cmd(skb, nlh);
default:
return -EINVAL;
}
@@ -295,6 +300,18 @@ static int sock_diag_bind(struct net *net, int group)
return 0;
}
+int sock_diag_destroy(struct sock *sk, int err)
+{
+ if (!ns_capable(sock_net(sk)->user_ns, CAP_NET_ADMIN))
+ return -EPERM;
+
+ if (!sk->sk_prot->diag_destroy)
+ return -EOPNOTSUPP;
+
+ return sk->sk_prot->diag_destroy(sk, err);
+}
+EXPORT_SYMBOL_GPL(sock_diag_destroy);
+
static int __net_init diag_net_init(struct net *net)
{
struct netlink_kernel_cfg cfg = {