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/* 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 */
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