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Diffstat (limited to 'net/key')
-rw-r--r--net/key/af_key.c33
1 files changed, 27 insertions, 6 deletions
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 79d2c0f3c334..b3faede9a4f6 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -1712,6 +1712,23 @@ static int pfkey_register(struct sock *sk, struct sk_buff *skb, struct sadb_msg
return 0;
}
+static int unicast_flush_resp(struct sock *sk, struct sadb_msg *ihdr)
+{
+ struct sk_buff *skb;
+ struct sadb_msg *hdr;
+
+ skb = alloc_skb(sizeof(struct sadb_msg) + 16, GFP_ATOMIC);
+ if (!skb)
+ return -ENOBUFS;
+
+ hdr = (struct sadb_msg *) skb_put(skb, sizeof(struct sadb_msg));
+ memcpy(hdr, ihdr, sizeof(struct sadb_msg));
+ hdr->sadb_msg_errno = (uint8_t) 0;
+ hdr->sadb_msg_len = (sizeof(struct sadb_msg) / sizeof(uint64_t));
+
+ return pfkey_broadcast(skb, GFP_ATOMIC, BROADCAST_ONE, sk, sock_net(sk));
+}
+
static int key_notify_sa_flush(struct km_event *c)
{
struct sk_buff *skb;
@@ -1740,7 +1757,7 @@ static int pfkey_flush(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hd
unsigned proto;
struct km_event c;
struct xfrm_audit audit_info;
- int err;
+ int err, err2;
proto = pfkey_satype2proto(hdr->sadb_msg_satype);
if (proto == 0)
@@ -1750,8 +1767,10 @@ static int pfkey_flush(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hd
audit_info.sessionid = audit_get_sessionid(current);
audit_info.secid = 0;
err = xfrm_state_flush(net, proto, &audit_info);
- if (err)
- return err;
+ err2 = unicast_flush_resp(sk, hdr);
+ if (err || err2)
+ return err ? err : err2;
+
c.data.proto = proto;
c.seq = hdr->sadb_msg_seq;
c.pid = hdr->sadb_msg_pid;
@@ -2706,14 +2725,16 @@ static int pfkey_spdflush(struct sock *sk, struct sk_buff *skb, struct sadb_msg
struct net *net = sock_net(sk);
struct km_event c;
struct xfrm_audit audit_info;
- int err;
+ int err, err2;
audit_info.loginuid = audit_get_loginuid(current);
audit_info.sessionid = audit_get_sessionid(current);
audit_info.secid = 0;
err = xfrm_policy_flush(net, XFRM_POLICY_TYPE_MAIN, &audit_info);
- if (err)
- return err;
+ err2 = unicast_flush_resp(sk, hdr);
+ if (err || err2)
+ return err ? err : err2;
+
c.data.type = XFRM_POLICY_TYPE_MAIN;
c.event = XFRM_MSG_FLUSHPOLICY;
c.pid = hdr->sadb_msg_pid;