events/handshake.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM handshake
   4
   5 #if !defined(_TRACE_HANDSHAKE_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_HANDSHAKE_H
   7
   8 #include <linux/net.h>
   9 #include <net/tls_prot.h>
  10 #include <linux/tracepoint.h>
  11 #include <trace/events/net_probe_common.h>
  12
  13 #define TLS_RECORD_TYPE_LIST \
  14         record_type(CHANGE_CIPHER_SPEC) \
  15         record_type(ALERT) \
  16         record_type(HANDSHAKE) \
  17         record_type(DATA) \
  18         record_type(HEARTBEAT) \
  19         record_type(TLS12_CID) \
  20         record_type_end(ACK)
  21
  22 #undef record_type
  23 #undef record_type_end
  24 #define record_type(x)          TRACE_DEFINE_ENUM(TLS_RECORD_TYPE_##x);
  25 #define record_type_end(x)      TRACE_DEFINE_ENUM(TLS_RECORD_TYPE_##x);
  26
  27 TLS_RECORD_TYPE_LIST
  28
  29 #undef record_type
  30 #undef record_type_end
  31 #define record_type(x)          { TLS_RECORD_TYPE_##x, #x },
  32 #define record_type_end(x)      { TLS_RECORD_TYPE_##x, #x }
  33
  34 #define show_tls_content_type(type) \
  35         __print_symbolic(type, TLS_RECORD_TYPE_LIST)
  36
  37 TRACE_DEFINE_ENUM(TLS_ALERT_LEVEL_WARNING);
  38 TRACE_DEFINE_ENUM(TLS_ALERT_LEVEL_FATAL);
  39
  40 #define show_tls_alert_level(level) \
  41         __print_symbolic(level, \
  42                 { TLS_ALERT_LEVEL_WARNING,      "Warning" }, \
  43                 { TLS_ALERT_LEVEL_FATAL,        "Fatal" })
  44
  45 #define TLS_ALERT_DESCRIPTION_LIST \
  46         alert_description(CLOSE_NOTIFY) \
  47         alert_description(UNEXPECTED_MESSAGE) \
  48         alert_description(BAD_RECORD_MAC) \
  49         alert_description(RECORD_OVERFLOW) \
  50         alert_description(HANDSHAKE_FAILURE) \
  51         alert_description(BAD_CERTIFICATE) \
  52         alert_description(UNSUPPORTED_CERTIFICATE) \
  53         alert_description(CERTIFICATE_REVOKED) \
  54         alert_description(CERTIFICATE_EXPIRED) \
  55         alert_description(CERTIFICATE_UNKNOWN) \
  56         alert_description(ILLEGAL_PARAMETER) \
  57         alert_description(UNKNOWN_CA) \
  58         alert_description(ACCESS_DENIED) \
  59         alert_description(DECODE_ERROR) \
  60         alert_description(DECRYPT_ERROR) \
  61         alert_description(TOO_MANY_CIDS_REQUESTED) \
  62         alert_description(PROTOCOL_VERSION) \
  63         alert_description(INSUFFICIENT_SECURITY) \
  64         alert_description(INTERNAL_ERROR) \
  65         alert_description(INAPPROPRIATE_FALLBACK) \
  66         alert_description(USER_CANCELED) \
  67         alert_description(MISSING_EXTENSION) \
  68         alert_description(UNSUPPORTED_EXTENSION) \
  69         alert_description(UNRECOGNIZED_NAME) \
  70         alert_description(BAD_CERTIFICATE_STATUS_RESPONSE) \
  71         alert_description(UNKNOWN_PSK_IDENTITY) \
  72         alert_description(CERTIFICATE_REQUIRED) \
  73         alert_description_end(NO_APPLICATION_PROTOCOL)
  74
  75 #undef alert_description
  76 #undef alert_description_end
  77 #define alert_description(x)            TRACE_DEFINE_ENUM(TLS_ALERT_DESC_##x);
  78 #define alert_description_end(x)        TRACE_DEFINE_ENUM(TLS_ALERT_DESC_##x);
  79
  80 TLS_ALERT_DESCRIPTION_LIST
  81
  82 #undef alert_description
  83 #undef alert_description_end
  84 #define alert_description(x)            { TLS_ALERT_DESC_##x, #x },
  85 #define alert_description_end(x)        { TLS_ALERT_DESC_##x, #x }
  86
  87 #define show_tls_alert_description(desc) \
  88         __print_symbolic(desc, TLS_ALERT_DESCRIPTION_LIST)
  89
  90 DECLARE_EVENT_CLASS(handshake_event_class,
  91         TP_PROTO(
  92                 const struct net *net,
  93                 const struct handshake_req *req,
  94                 const struct sock *sk
  95         ),
  96         TP_ARGS(net, req, sk),
  97         TP_STRUCT__entry(
  98                 __field(const void *, req)
  99                 __field(const void *, sk)
 100                 __field(unsigned int, netns_ino)
 101         ),
 102         TP_fast_assign(
 103                 __entry->req = req;
 104                 __entry->sk = sk;
 105                 __entry->netns_ino = net->ns.inum;
 106         ),
 107         TP_printk("req=%p sk=%p",
 108                 __entry->req, __entry->sk
 109         )
 110 );
 111 #define DEFINE_HANDSHAKE_EVENT(name)                            \
 112         DEFINE_EVENT(handshake_event_class, name,               \
 113                 TP_PROTO(                                       \
 114                         const struct net *net,                  \
 115                         const struct handshake_req *req,        \
 116                         const struct sock *sk                   \
 117                 ),                                              \
 118                 TP_ARGS(net, req, sk))
 119
 120 DECLARE_EVENT_CLASS(handshake_fd_class,
 121         TP_PROTO(
 122                 const struct net *net,
 123                 const struct handshake_req *req,
 124                 const struct sock *sk,
 125                 int fd
 126         ),
 127         TP_ARGS(net, req, sk, fd),
 128         TP_STRUCT__entry(
 129                 __field(const void *, req)
 130                 __field(const void *, sk)
 131                 __field(int, fd)
 132                 __field(unsigned int, netns_ino)
 133         ),
 134         TP_fast_assign(
 135                 __entry->req = req;
 136                 __entry->sk = req->hr_sk;
 137                 __entry->fd = fd;
 138                 __entry->netns_ino = net->ns.inum;
 139         ),
 140         TP_printk("req=%p sk=%p fd=%d",
 141                 __entry->req, __entry->sk, __entry->fd
 142         )
 143 );
 144 #define DEFINE_HANDSHAKE_FD_EVENT(name)                         \
 145         DEFINE_EVENT(handshake_fd_class, name,                  \
 146                 TP_PROTO(                                       \
 147                         const struct net *net,                  \
 148                         const struct handshake_req *req,        \
 149                         const struct sock *sk,                  \
 150                         int fd                                  \
 151                 ),                                              \
 152                 TP_ARGS(net, req, sk, fd))
 153
 154 DECLARE_EVENT_CLASS(handshake_error_class,
 155         TP_PROTO(
 156                 const struct net *net,
 157                 const struct handshake_req *req,
 158                 const struct sock *sk,
 159                 int err
 160         ),
 161         TP_ARGS(net, req, sk, err),
 162         TP_STRUCT__entry(
 163                 __field(const void *, req)
 164                 __field(const void *, sk)
 165                 __field(int, err)
 166                 __field(unsigned int, netns_ino)
 167         ),
 168         TP_fast_assign(
 169                 __entry->req = req;
 170                 __entry->sk = sk;
 171                 __entry->err = err;
 172                 __entry->netns_ino = net->ns.inum;
 173         ),
 174         TP_printk("req=%p sk=%p err=%d",
 175                 __entry->req, __entry->sk, __entry->err
 176         )
 177 );
 178 #define DEFINE_HANDSHAKE_ERROR(name)                            \
 179         DEFINE_EVENT(handshake_error_class, name,               \
 180                 TP_PROTO(                                       \
 181                         const struct net *net,                  \
 182                         const struct handshake_req *req,        \
 183                         const struct sock *sk,                  \
 184                         int err                                 \
 185                 ),                                              \
 186                 TP_ARGS(net, req, sk, err))
 187
 188 DECLARE_EVENT_CLASS(handshake_alert_class,
 189         TP_PROTO(
 190                 const struct sock *sk,
 191                 unsigned char level,
 192                 unsigned char description
 193         ),
 194         TP_ARGS(sk, level, description),
 195         TP_STRUCT__entry(
 196                 /* sockaddr_in6 is always bigger than sockaddr_in */
 197                 __array(__u8, saddr, sizeof(struct sockaddr_in6))
 198                 __array(__u8, daddr, sizeof(struct sockaddr_in6))
 199                 __field(unsigned int, netns_ino)
 200                 __field(unsigned long, level)
 201                 __field(unsigned long, description)
 202         ),
 203         TP_fast_assign(
 204                 const struct inet_sock *inet = inet_sk(sk);
 205
 206                 memset(__entry->saddr, 0, sizeof(struct sockaddr_in6));
 207                 memset(__entry->daddr, 0, sizeof(struct sockaddr_in6));
 208                 TP_STORE_ADDR_PORTS(__entry, inet, sk);
 209
 210                 __entry->netns_ino = sock_net(sk)->ns.inum;
 211                 __entry->level = level;
 212                 __entry->description = description;
 213         ),
 214         TP_printk("src=%pISpc dest=%pISpc %s: %s",
 215                 __entry->saddr, __entry->daddr,
 216                 show_tls_alert_level(__entry->level),
 217                 show_tls_alert_description(__entry->description)
 218         )
 219 );
 220 #define DEFINE_HANDSHAKE_ALERT(name)                            \
 221         DEFINE_EVENT(handshake_alert_class, name,               \
 222                 TP_PROTO(                                       \
 223                         const struct sock *sk,                  \
 224                         unsigned char level,                    \
 225                         unsigned char description               \
 226                 ),                                              \
 227                 TP_ARGS(sk, level, description))
 228
 229
 230 /*
 231  * Request lifetime events
 232  */
 233
 234 DEFINE_HANDSHAKE_EVENT(handshake_submit);
 235 DEFINE_HANDSHAKE_ERROR(handshake_submit_err);
 236 DEFINE_HANDSHAKE_EVENT(handshake_cancel);
 237 DEFINE_HANDSHAKE_EVENT(handshake_cancel_none);
 238 DEFINE_HANDSHAKE_EVENT(handshake_cancel_busy);
 239 DEFINE_HANDSHAKE_EVENT(handshake_destruct);
 240
 241
 242 TRACE_EVENT(handshake_complete,
 243         TP_PROTO(
 244                 const struct net *net,
 245                 const struct handshake_req *req,
 246                 const struct sock *sk,
 247                 int status
 248         ),
 249         TP_ARGS(net, req, sk, status),
 250         TP_STRUCT__entry(
 251                 __field(const void *, req)
 252                 __field(const void *, sk)
 253                 __field(int, status)
 254                 __field(unsigned int, netns_ino)
 255         ),
 256         TP_fast_assign(
 257                 __entry->req = req;
 258                 __entry->sk = sk;
 259                 __entry->status = status;
 260                 __entry->netns_ino = net->ns.inum;
 261         ),
 262         TP_printk("req=%p sk=%p status=%d",
 263                 __entry->req, __entry->sk, __entry->status
 264         )
 265 );
 266
 267 /*
 268  * Netlink events
 269  */
 270
 271 DEFINE_HANDSHAKE_ERROR(handshake_notify_err);
 272 DEFINE_HANDSHAKE_FD_EVENT(handshake_cmd_accept);
 273 DEFINE_HANDSHAKE_ERROR(handshake_cmd_accept_err);
 274 DEFINE_HANDSHAKE_FD_EVENT(handshake_cmd_done);
 275 DEFINE_HANDSHAKE_ERROR(handshake_cmd_done_err);
 276
 277 /*
 278  * TLS Record events
 279  */
 280
 281 TRACE_EVENT(tls_contenttype,
 282         TP_PROTO(
 283                 const struct sock *sk,
 284                 unsigned char type
 285         ),
 286         TP_ARGS(sk, type),
 287         TP_STRUCT__entry(
 288                 /* sockaddr_in6 is always bigger than sockaddr_in */
 289                 __array(__u8, saddr, sizeof(struct sockaddr_in6))
 290                 __array(__u8, daddr, sizeof(struct sockaddr_in6))
 291                 __field(unsigned int, netns_ino)
 292                 __field(unsigned long, type)
 293         ),
 294         TP_fast_assign(
 295                 const struct inet_sock *inet = inet_sk(sk);
 296
 297                 memset(__entry->saddr, 0, sizeof(struct sockaddr_in6));
 298                 memset(__entry->daddr, 0, sizeof(struct sockaddr_in6));
 299                 TP_STORE_ADDR_PORTS(__entry, inet, sk);
 300
 301                 __entry->netns_ino = sock_net(sk)->ns.inum;
 302                 __entry->type = type;
 303         ),
 304         TP_printk("src=%pISpc dest=%pISpc %s",
 305                 __entry->saddr, __entry->daddr,
 306                 show_tls_content_type(__entry->type)
 307         )
 308 );
 309
 310 /*
 311  * TLS Alert events
 312  */
 313
 314 DEFINE_HANDSHAKE_ALERT(tls_alert_send);
 315 DEFINE_HANDSHAKE_ALERT(tls_alert_recv);
 316
 317 #endif /* _TRACE_HANDSHAKE_H */
 318
 319 #include <trace/define_trace.h>