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-rw-r--r--include/net/handshake.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/include/net/handshake.h b/include/net/handshake.h
new file mode 100644
index 0000000000..8ebd4f9ed2
--- /dev/null
+++ b/include/net/handshake.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Generic netlink HANDSHAKE service.
+ *
+ * Author: Chuck Lever <chuck.lever@oracle.com>
+ *
+ * Copyright (c) 2023, Oracle and/or its affiliates.
+ */
+
+#ifndef _NET_HANDSHAKE_H
+#define _NET_HANDSHAKE_H
+
+enum {
+ TLS_NO_KEYRING = 0,
+ TLS_NO_PEERID = 0,
+ TLS_NO_CERT = 0,
+ TLS_NO_PRIVKEY = 0,
+};
+
+typedef void (*tls_done_func_t)(void *data, int status,
+ key_serial_t peerid);
+
+struct tls_handshake_args {
+ struct socket *ta_sock;
+ tls_done_func_t ta_done;
+ void *ta_data;
+ const char *ta_peername;
+ unsigned int ta_timeout_ms;
+ key_serial_t ta_keyring;
+ key_serial_t ta_my_cert;
+ key_serial_t ta_my_privkey;
+ unsigned int ta_num_peerids;
+ key_serial_t ta_my_peerids[5];
+};
+
+int tls_client_hello_anon(const struct tls_handshake_args *args, gfp_t flags);
+int tls_client_hello_x509(const struct tls_handshake_args *args, gfp_t flags);
+int tls_client_hello_psk(const struct tls_handshake_args *args, gfp_t flags);
+int tls_server_hello_x509(const struct tls_handshake_args *args, gfp_t flags);
+int tls_server_hello_psk(const struct tls_handshake_args *args, gfp_t flags);
+
+bool tls_handshake_cancel(struct sock *sk);
+void tls_handshake_close(struct socket *sock);
+
+u8 tls_get_record_type(const struct sock *sk, const struct cmsghdr *msg);
+void tls_alert_recv(const struct sock *sk, const struct msghdr *msg,
+ u8 *level, u8 *description);
+
+#endif /* _NET_HANDSHAKE_H */