/* 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 */