MEDIUM: stats: add counters for failed handshake

Report on ssl stats the total number of handshakes terminated in a
failure.
This commit is contained in:
Amaury Denoyelle 2020-11-13 16:05:00 +01:00 committed by William Lallemand
parent f70b7db825
commit 034c162b9b

View File

@ -143,28 +143,33 @@ DECLARE_STATIC_POOL(ssl_sock_ctx_pool, "ssl_sock_ctx_pool", sizeof(struct ssl_so
enum {
SSL_ST_SESS,
SSL_ST_REUSED_SESS,
SSL_ST_FAILED_HANDSHAKE,
SSL_ST_STATS_COUNT /* must be the last member of the enum */
};
static struct name_desc ssl_stats[] = {
[SSL_ST_SESS] = { .name = "ssl_sess",
.desc = "Total number of ssl sessions established" },
[SSL_ST_REUSED_SESS] = { .name = "ssl_reused_sess",
.desc = "Total number of ssl sessions reused" },
[SSL_ST_SESS] = { .name = "ssl_sess",
.desc = "Total number of ssl sessions established" },
[SSL_ST_REUSED_SESS] = { .name = "ssl_reused_sess",
.desc = "Total number of ssl sessions reused" },
[SSL_ST_FAILED_HANDSHAKE] = { .name = "ssl_failed_handshake",
.desc = "Total number of failed handshake" },
};
static struct ssl_counters {
long long sess;
long long reused_sess;
long long failed_handshake;
} ssl_counters;
static void ssl_fill_stats(void *data, struct field *stats)
{
struct ssl_counters *counters = data;
stats[SSL_ST_SESS] = mkf_u64(FN_COUNTER, counters->sess);
stats[SSL_ST_REUSED_SESS] = mkf_u64(FN_COUNTER, counters->reused_sess);
stats[SSL_ST_SESS] = mkf_u64(FN_COUNTER, counters->sess);
stats[SSL_ST_REUSED_SESS] = mkf_u64(FN_COUNTER, counters->reused_sess);
stats[SSL_ST_FAILED_HANDSHAKE] = mkf_u64(FN_COUNTER, counters->failed_handshake);
}
static struct stats_module ssl_stats_module = {
@ -5126,6 +5131,26 @@ static int ssl_sock_handshake(struct connection *conn, unsigned int flag)
if (!conn_ctrl_ready(conn))
return 0;
/* get counters */
switch (obj_type(conn->target)) {
case OBJ_TYPE_LISTENER:
li = objt_listener(conn->target);
counters = EXTRA_COUNTERS_GET(li->extra_counters, &ssl_stats_module);
counters_px = EXTRA_COUNTERS_GET(li->bind_conf->frontend->extra_counters_fe,
&ssl_stats_module);
break;
case OBJ_TYPE_SERVER:
srv = objt_server(conn->target);
counters = EXTRA_COUNTERS_GET(srv->extra_counters, &ssl_stats_module);
counters_px = EXTRA_COUNTERS_GET(srv->proxy->extra_counters_be,
&ssl_stats_module);
break;
default:
break;
}
if (!conn->xprt_ctx)
goto out_error;
@ -5363,25 +5388,6 @@ reneg_ok:
if (global_ssl.async)
SSL_clear_mode(ctx->ssl, SSL_MODE_ASYNC);
#endif
switch (obj_type(conn->target)) {
case OBJ_TYPE_LISTENER:
li = objt_listener(conn->target);
counters = EXTRA_COUNTERS_GET(li->extra_counters, &ssl_stats_module);
counters_px = EXTRA_COUNTERS_GET(li->bind_conf->frontend->extra_counters_fe,
&ssl_stats_module);
break;
case OBJ_TYPE_SERVER:
srv = objt_server(conn->target);
counters = EXTRA_COUNTERS_GET(srv->extra_counters, &ssl_stats_module);
counters_px = EXTRA_COUNTERS_GET(srv->proxy->extra_counters_be,
&ssl_stats_module);
break;
default:
break;
}
/* Handshake succeeded */
if (!SSL_session_reused(ctx->ssl)) {
if (objt_server(conn->target)) {
@ -5420,6 +5426,11 @@ reneg_ok:
__objt_server(conn->target)->ssl_ctx.reused_sess[tid].ptr = NULL;
}
if (counters) {
++counters->failed_handshake;
++counters_px->failed_handshake;
}
/* Fail on all other handshake errors */
conn->flags |= CO_FL_ERROR;
if (!conn->err_code)