320 lines
8.2 KiB
C
320 lines
8.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM handshake
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#if !defined(_TRACE_HANDSHAKE_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_HANDSHAKE_H
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#include <linux/net.h>
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#include <net/tls_prot.h>
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#include <linux/tracepoint.h>
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#include <trace/events/net_probe_common.h>
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#define TLS_RECORD_TYPE_LIST \
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record_type(CHANGE_CIPHER_SPEC) \
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record_type(ALERT) \
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record_type(HANDSHAKE) \
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record_type(DATA) \
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record_type(HEARTBEAT) \
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record_type(TLS12_CID) \
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record_type_end(ACK)
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#undef record_type
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#undef record_type_end
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#define record_type(x) TRACE_DEFINE_ENUM(TLS_RECORD_TYPE_##x);
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#define record_type_end(x) TRACE_DEFINE_ENUM(TLS_RECORD_TYPE_##x);
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TLS_RECORD_TYPE_LIST
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#undef record_type
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#undef record_type_end
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#define record_type(x) { TLS_RECORD_TYPE_##x, #x },
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#define record_type_end(x) { TLS_RECORD_TYPE_##x, #x }
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#define show_tls_content_type(type) \
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__print_symbolic(type, TLS_RECORD_TYPE_LIST)
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TRACE_DEFINE_ENUM(TLS_ALERT_LEVEL_WARNING);
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TRACE_DEFINE_ENUM(TLS_ALERT_LEVEL_FATAL);
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#define show_tls_alert_level(level) \
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__print_symbolic(level, \
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{ TLS_ALERT_LEVEL_WARNING, "Warning" }, \
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{ TLS_ALERT_LEVEL_FATAL, "Fatal" })
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#define TLS_ALERT_DESCRIPTION_LIST \
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alert_description(CLOSE_NOTIFY) \
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alert_description(UNEXPECTED_MESSAGE) \
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alert_description(BAD_RECORD_MAC) \
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alert_description(RECORD_OVERFLOW) \
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alert_description(HANDSHAKE_FAILURE) \
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alert_description(BAD_CERTIFICATE) \
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alert_description(UNSUPPORTED_CERTIFICATE) \
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alert_description(CERTIFICATE_REVOKED) \
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alert_description(CERTIFICATE_EXPIRED) \
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alert_description(CERTIFICATE_UNKNOWN) \
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alert_description(ILLEGAL_PARAMETER) \
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alert_description(UNKNOWN_CA) \
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alert_description(ACCESS_DENIED) \
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alert_description(DECODE_ERROR) \
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alert_description(DECRYPT_ERROR) \
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alert_description(TOO_MANY_CIDS_REQUESTED) \
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alert_description(PROTOCOL_VERSION) \
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alert_description(INSUFFICIENT_SECURITY) \
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alert_description(INTERNAL_ERROR) \
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alert_description(INAPPROPRIATE_FALLBACK) \
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alert_description(USER_CANCELED) \
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alert_description(MISSING_EXTENSION) \
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alert_description(UNSUPPORTED_EXTENSION) \
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alert_description(UNRECOGNIZED_NAME) \
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alert_description(BAD_CERTIFICATE_STATUS_RESPONSE) \
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alert_description(UNKNOWN_PSK_IDENTITY) \
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alert_description(CERTIFICATE_REQUIRED) \
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alert_description_end(NO_APPLICATION_PROTOCOL)
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#undef alert_description
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#undef alert_description_end
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#define alert_description(x) TRACE_DEFINE_ENUM(TLS_ALERT_DESC_##x);
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#define alert_description_end(x) TRACE_DEFINE_ENUM(TLS_ALERT_DESC_##x);
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TLS_ALERT_DESCRIPTION_LIST
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#undef alert_description
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#undef alert_description_end
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#define alert_description(x) { TLS_ALERT_DESC_##x, #x },
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#define alert_description_end(x) { TLS_ALERT_DESC_##x, #x }
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#define show_tls_alert_description(desc) \
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__print_symbolic(desc, TLS_ALERT_DESCRIPTION_LIST)
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DECLARE_EVENT_CLASS(handshake_event_class,
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TP_PROTO(
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const struct net *net,
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const struct handshake_req *req,
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const struct sock *sk
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),
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TP_ARGS(net, req, sk),
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TP_STRUCT__entry(
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__field(const void *, req)
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__field(const void *, sk)
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__field(unsigned int, netns_ino)
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),
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TP_fast_assign(
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__entry->req = req;
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__entry->sk = sk;
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__entry->netns_ino = net->ns.inum;
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),
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TP_printk("req=%p sk=%p",
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__entry->req, __entry->sk
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)
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);
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#define DEFINE_HANDSHAKE_EVENT(name) \
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DEFINE_EVENT(handshake_event_class, name, \
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TP_PROTO( \
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const struct net *net, \
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const struct handshake_req *req, \
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const struct sock *sk \
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), \
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TP_ARGS(net, req, sk))
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DECLARE_EVENT_CLASS(handshake_fd_class,
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TP_PROTO(
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const struct net *net,
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const struct handshake_req *req,
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const struct sock *sk,
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int fd
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),
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TP_ARGS(net, req, sk, fd),
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TP_STRUCT__entry(
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__field(const void *, req)
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__field(const void *, sk)
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__field(int, fd)
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__field(unsigned int, netns_ino)
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),
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TP_fast_assign(
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__entry->req = req;
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__entry->sk = req->hr_sk;
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__entry->fd = fd;
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__entry->netns_ino = net->ns.inum;
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),
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TP_printk("req=%p sk=%p fd=%d",
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__entry->req, __entry->sk, __entry->fd
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)
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);
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#define DEFINE_HANDSHAKE_FD_EVENT(name) \
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DEFINE_EVENT(handshake_fd_class, name, \
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TP_PROTO( \
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const struct net *net, \
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const struct handshake_req *req, \
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const struct sock *sk, \
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int fd \
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), \
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TP_ARGS(net, req, sk, fd))
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DECLARE_EVENT_CLASS(handshake_error_class,
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TP_PROTO(
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const struct net *net,
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const struct handshake_req *req,
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const struct sock *sk,
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int err
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),
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TP_ARGS(net, req, sk, err),
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TP_STRUCT__entry(
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__field(const void *, req)
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__field(const void *, sk)
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__field(int, err)
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__field(unsigned int, netns_ino)
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),
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TP_fast_assign(
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__entry->req = req;
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__entry->sk = sk;
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__entry->err = err;
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__entry->netns_ino = net->ns.inum;
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),
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TP_printk("req=%p sk=%p err=%d",
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__entry->req, __entry->sk, __entry->err
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)
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);
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#define DEFINE_HANDSHAKE_ERROR(name) \
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DEFINE_EVENT(handshake_error_class, name, \
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TP_PROTO( \
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const struct net *net, \
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const struct handshake_req *req, \
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const struct sock *sk, \
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int err \
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), \
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TP_ARGS(net, req, sk, err))
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DECLARE_EVENT_CLASS(handshake_alert_class,
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TP_PROTO(
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const struct sock *sk,
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unsigned char level,
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unsigned char description
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),
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TP_ARGS(sk, level, description),
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TP_STRUCT__entry(
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/* sockaddr_in6 is always bigger than sockaddr_in */
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__array(__u8, saddr, sizeof(struct sockaddr_in6))
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__array(__u8, daddr, sizeof(struct sockaddr_in6))
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__field(unsigned int, netns_ino)
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__field(unsigned long, level)
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__field(unsigned long, description)
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),
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TP_fast_assign(
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const struct inet_sock *inet = inet_sk(sk);
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memset(__entry->saddr, 0, sizeof(struct sockaddr_in6));
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memset(__entry->daddr, 0, sizeof(struct sockaddr_in6));
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TP_STORE_ADDR_PORTS(__entry, inet, sk);
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__entry->netns_ino = sock_net(sk)->ns.inum;
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__entry->level = level;
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__entry->description = description;
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),
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TP_printk("src=%pISpc dest=%pISpc %s: %s",
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__entry->saddr, __entry->daddr,
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show_tls_alert_level(__entry->level),
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show_tls_alert_description(__entry->description)
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)
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);
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#define DEFINE_HANDSHAKE_ALERT(name) \
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DEFINE_EVENT(handshake_alert_class, name, \
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TP_PROTO( \
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const struct sock *sk, \
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unsigned char level, \
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unsigned char description \
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), \
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TP_ARGS(sk, level, description))
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/*
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* Request lifetime events
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*/
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DEFINE_HANDSHAKE_EVENT(handshake_submit);
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DEFINE_HANDSHAKE_ERROR(handshake_submit_err);
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DEFINE_HANDSHAKE_EVENT(handshake_cancel);
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DEFINE_HANDSHAKE_EVENT(handshake_cancel_none);
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DEFINE_HANDSHAKE_EVENT(handshake_cancel_busy);
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DEFINE_HANDSHAKE_EVENT(handshake_destruct);
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TRACE_EVENT(handshake_complete,
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TP_PROTO(
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const struct net *net,
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const struct handshake_req *req,
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const struct sock *sk,
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int status
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),
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TP_ARGS(net, req, sk, status),
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TP_STRUCT__entry(
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__field(const void *, req)
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__field(const void *, sk)
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__field(int, status)
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__field(unsigned int, netns_ino)
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),
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TP_fast_assign(
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__entry->req = req;
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__entry->sk = sk;
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__entry->status = status;
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__entry->netns_ino = net->ns.inum;
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),
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TP_printk("req=%p sk=%p status=%d",
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__entry->req, __entry->sk, __entry->status
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)
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);
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/*
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* Netlink events
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*/
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DEFINE_HANDSHAKE_ERROR(handshake_notify_err);
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DEFINE_HANDSHAKE_FD_EVENT(handshake_cmd_accept);
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DEFINE_HANDSHAKE_ERROR(handshake_cmd_accept_err);
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DEFINE_HANDSHAKE_FD_EVENT(handshake_cmd_done);
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DEFINE_HANDSHAKE_ERROR(handshake_cmd_done_err);
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/*
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* TLS Record events
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*/
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TRACE_EVENT(tls_contenttype,
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TP_PROTO(
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const struct sock *sk,
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unsigned char type
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),
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TP_ARGS(sk, type),
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TP_STRUCT__entry(
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/* sockaddr_in6 is always bigger than sockaddr_in */
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__array(__u8, saddr, sizeof(struct sockaddr_in6))
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__array(__u8, daddr, sizeof(struct sockaddr_in6))
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__field(unsigned int, netns_ino)
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__field(unsigned long, type)
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),
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TP_fast_assign(
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const struct inet_sock *inet = inet_sk(sk);
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memset(__entry->saddr, 0, sizeof(struct sockaddr_in6));
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memset(__entry->daddr, 0, sizeof(struct sockaddr_in6));
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TP_STORE_ADDR_PORTS(__entry, inet, sk);
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__entry->netns_ino = sock_net(sk)->ns.inum;
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__entry->type = type;
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),
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TP_printk("src=%pISpc dest=%pISpc %s",
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__entry->saddr, __entry->daddr,
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show_tls_content_type(__entry->type)
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)
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);
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/*
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* TLS Alert events
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*/
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DEFINE_HANDSHAKE_ALERT(tls_alert_send);
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DEFINE_HANDSHAKE_ALERT(tls_alert_recv);
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#endif /* _TRACE_HANDSHAKE_H */
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#include <trace/define_trace.h>
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