[PATCH] net/handshake: Add new parameter 'HANDSHAKE_A_ACCEPT_KEYRING'

[hare@kernel.org]

From: Hannes Reinecke <hare@kernel.org>

Add a new netlink parameter 'HANDSHAKE_A_ACCEPT_KEYRING' to provide
the serial number of the keyring to use.

Signed-off-by: Hannes Reinecke <hare@kernel.org>
---
 include/uapi/linux/handshake.h | 1 +
 net/handshake/tlshd.c          | 6 ++++++
 2 files changed, 7 insertions(+)

diff --git a/include/uapi/linux/handshake.h b/include/uapi/linux/handshake.h
index 3d7ea58778c9..662e7de46c54 100644
--- a/include/uapi/linux/handshake.h
+++ b/include/uapi/linux/handshake.h
@@ -45,6 +45,7 @@ enum {
 	HANDSHAKE_A_ACCEPT_PEER_IDENTITY,
 	HANDSHAKE_A_ACCEPT_CERTIFICATE,
 	HANDSHAKE_A_ACCEPT_PEERNAME,
+	HANDSHAKE_A_ACCEPT_KEYRING,
 
 	__HANDSHAKE_A_ACCEPT_MAX,
 	HANDSHAKE_A_ACCEPT_MAX = (__HANDSHAKE_A_ACCEPT_MAX - 1)
diff --git a/net/handshake/tlshd.c b/net/handshake/tlshd.c
index d6f52839827e..081093dfd553 100644
--- a/net/handshake/tlshd.c
+++ b/net/handshake/tlshd.c
@@ -230,6 +230,12 @@ static int tls_handshake_accept(struct handshake_req *req,
 		if (ret < 0)
 			goto out_cancel;
 	}
+	if (treq->th_keyring) {
+		ret = nla_put_u32(msg, HANDSHAKE_A_ACCEPT_KEYRING,
+				  treq->th_keyring);
+		if (ret < 0)
+			goto out_cancel;
+	}
 
 	ret = nla_put_u32(msg, HANDSHAKE_A_ACCEPT_AUTH_MODE,
 			  treq->th_auth_mode);
-- 
2.35.3