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-rw-r--r--include/net/handshake.h43
-rw-r--r--include/trace/events/handshake.h159
-rw-r--r--include/uapi/linux/handshake.h73
3 files changed, 275 insertions, 0 deletions
diff --git a/include/net/handshake.h b/include/net/handshake.h
new file mode 100644
index 000000000000..3352b1ab43b3
--- /dev/null
+++ b/include/net/handshake.h
@@ -0,0 +1,43 @@
+/* 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;
+ 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);
+
+#endif /* _NET_HANDSHAKE_H */
diff --git a/include/trace/events/handshake.h b/include/trace/events/handshake.h
new file mode 100644
index 000000000000..8dadcab5f12a
--- /dev/null
+++ b/include/trace/events/handshake.h
@@ -0,0 +1,159 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM handshake
+
+#if !defined(_TRACE_HANDSHAKE_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_HANDSHAKE_H
+
+#include <linux/net.h>
+#include <linux/tracepoint.h>
+
+DECLARE_EVENT_CLASS(handshake_event_class,
+ TP_PROTO(
+ const struct net *net,
+ const struct handshake_req *req,
+ const struct sock *sk
+ ),
+ TP_ARGS(net, req, sk),
+ TP_STRUCT__entry(
+ __field(const void *, req)
+ __field(const void *, sk)
+ __field(unsigned int, netns_ino)
+ ),
+ TP_fast_assign(
+ __entry->req = req;
+ __entry->sk = sk;
+ __entry->netns_ino = net->ns.inum;
+ ),
+ TP_printk("req=%p sk=%p",
+ __entry->req, __entry->sk
+ )
+);
+#define DEFINE_HANDSHAKE_EVENT(name) \
+ DEFINE_EVENT(handshake_event_class, name, \
+ TP_PROTO( \
+ const struct net *net, \
+ const struct handshake_req *req, \
+ const struct sock *sk \
+ ), \
+ TP_ARGS(net, req, sk))
+
+DECLARE_EVENT_CLASS(handshake_fd_class,
+ TP_PROTO(
+ const struct net *net,
+ const struct handshake_req *req,
+ const struct sock *sk,
+ int fd
+ ),
+ TP_ARGS(net, req, sk, fd),
+ TP_STRUCT__entry(
+ __field(const void *, req)
+ __field(const void *, sk)
+ __field(int, fd)
+ __field(unsigned int, netns_ino)
+ ),
+ TP_fast_assign(
+ __entry->req = req;
+ __entry->sk = req->hr_sk;
+ __entry->fd = fd;
+ __entry->netns_ino = net->ns.inum;
+ ),
+ TP_printk("req=%p sk=%p fd=%d",
+ __entry->req, __entry->sk, __entry->fd
+ )
+);
+#define DEFINE_HANDSHAKE_FD_EVENT(name) \
+ DEFINE_EVENT(handshake_fd_class, name, \
+ TP_PROTO( \
+ const struct net *net, \
+ const struct handshake_req *req, \
+ const struct sock *sk, \
+ int fd \
+ ), \
+ TP_ARGS(net, req, sk, fd))
+
+DECLARE_EVENT_CLASS(handshake_error_class,
+ TP_PROTO(
+ const struct net *net,
+ const struct handshake_req *req,
+ const struct sock *sk,
+ int err
+ ),
+ TP_ARGS(net, req, sk, err),
+ TP_STRUCT__entry(
+ __field(const void *, req)
+ __field(const void *, sk)
+ __field(int, err)
+ __field(unsigned int, netns_ino)
+ ),
+ TP_fast_assign(
+ __entry->req = req;
+ __entry->sk = sk;
+ __entry->err = err;
+ __entry->netns_ino = net->ns.inum;
+ ),
+ TP_printk("req=%p sk=%p err=%d",
+ __entry->req, __entry->sk, __entry->err
+ )
+);
+#define DEFINE_HANDSHAKE_ERROR(name) \
+ DEFINE_EVENT(handshake_error_class, name, \
+ TP_PROTO( \
+ const struct net *net, \
+ const struct handshake_req *req, \
+ const struct sock *sk, \
+ int err \
+ ), \
+ TP_ARGS(net, req, sk, err))
+
+
+/*
+ * Request lifetime events
+ */
+
+DEFINE_HANDSHAKE_EVENT(handshake_submit);
+DEFINE_HANDSHAKE_ERROR(handshake_submit_err);
+DEFINE_HANDSHAKE_EVENT(handshake_cancel);
+DEFINE_HANDSHAKE_EVENT(handshake_cancel_none);
+DEFINE_HANDSHAKE_EVENT(handshake_cancel_busy);
+DEFINE_HANDSHAKE_EVENT(handshake_destruct);
+
+
+TRACE_EVENT(handshake_complete,
+ TP_PROTO(
+ const struct net *net,
+ const struct handshake_req *req,
+ const struct sock *sk,
+ int status
+ ),
+ TP_ARGS(net, req, sk, status),
+ TP_STRUCT__entry(
+ __field(const void *, req)
+ __field(const void *, sk)
+ __field(int, status)
+ __field(unsigned int, netns_ino)
+ ),
+ TP_fast_assign(
+ __entry->req = req;
+ __entry->sk = sk;
+ __entry->status = status;
+ __entry->netns_ino = net->ns.inum;
+ ),
+ TP_printk("req=%p sk=%p status=%d",
+ __entry->req, __entry->sk, __entry->status
+ )
+);
+
+/*
+ * Netlink events
+ */
+
+DEFINE_HANDSHAKE_ERROR(handshake_notify_err);
+DEFINE_HANDSHAKE_FD_EVENT(handshake_cmd_accept);
+DEFINE_HANDSHAKE_ERROR(handshake_cmd_accept_err);
+DEFINE_HANDSHAKE_FD_EVENT(handshake_cmd_done);
+DEFINE_HANDSHAKE_ERROR(handshake_cmd_done_err);
+
+#endif /* _TRACE_HANDSHAKE_H */
+
+#include <trace/define_trace.h>
diff --git a/include/uapi/linux/handshake.h b/include/uapi/linux/handshake.h
new file mode 100644
index 000000000000..1de4d0b95325
--- /dev/null
+++ b/include/uapi/linux/handshake.h
@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
+/* Do not edit directly, auto-generated from: */
+/* Documentation/netlink/specs/handshake.yaml */
+/* YNL-GEN uapi header */
+
+#ifndef _UAPI_LINUX_HANDSHAKE_H
+#define _UAPI_LINUX_HANDSHAKE_H
+
+#define HANDSHAKE_FAMILY_NAME "handshake"
+#define HANDSHAKE_FAMILY_VERSION 1
+
+enum handshake_handler_class {
+ HANDSHAKE_HANDLER_CLASS_NONE,
+ HANDSHAKE_HANDLER_CLASS_TLSHD,
+ HANDSHAKE_HANDLER_CLASS_MAX,
+};
+
+enum handshake_msg_type {
+ HANDSHAKE_MSG_TYPE_UNSPEC,
+ HANDSHAKE_MSG_TYPE_CLIENTHELLO,
+ HANDSHAKE_MSG_TYPE_SERVERHELLO,
+};
+
+enum handshake_auth {
+ HANDSHAKE_AUTH_UNSPEC,
+ HANDSHAKE_AUTH_UNAUTH,
+ HANDSHAKE_AUTH_PSK,
+ HANDSHAKE_AUTH_X509,
+};
+
+enum {
+ HANDSHAKE_A_X509_CERT = 1,
+ HANDSHAKE_A_X509_PRIVKEY,
+
+ __HANDSHAKE_A_X509_MAX,
+ HANDSHAKE_A_X509_MAX = (__HANDSHAKE_A_X509_MAX - 1)
+};
+
+enum {
+ HANDSHAKE_A_ACCEPT_SOCKFD = 1,
+ HANDSHAKE_A_ACCEPT_HANDLER_CLASS,
+ HANDSHAKE_A_ACCEPT_MESSAGE_TYPE,
+ HANDSHAKE_A_ACCEPT_TIMEOUT,
+ HANDSHAKE_A_ACCEPT_AUTH_MODE,
+ HANDSHAKE_A_ACCEPT_PEER_IDENTITY,
+ HANDSHAKE_A_ACCEPT_CERTIFICATE,
+
+ __HANDSHAKE_A_ACCEPT_MAX,
+ HANDSHAKE_A_ACCEPT_MAX = (__HANDSHAKE_A_ACCEPT_MAX - 1)
+};
+
+enum {
+ HANDSHAKE_A_DONE_STATUS = 1,
+ HANDSHAKE_A_DONE_SOCKFD,
+ HANDSHAKE_A_DONE_REMOTE_AUTH,
+
+ __HANDSHAKE_A_DONE_MAX,
+ HANDSHAKE_A_DONE_MAX = (__HANDSHAKE_A_DONE_MAX - 1)
+};
+
+enum {
+ HANDSHAKE_CMD_READY = 1,
+ HANDSHAKE_CMD_ACCEPT,
+ HANDSHAKE_CMD_DONE,
+
+ __HANDSHAKE_CMD_MAX,
+ HANDSHAKE_CMD_MAX = (__HANDSHAKE_CMD_MAX - 1)
+};
+
+#define HANDSHAKE_MCGRP_NONE "none"
+#define HANDSHAKE_MCGRP_TLSHD "tlshd"
+
+#endif /* _UAPI_LINUX_HANDSHAKE_H */