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Add metrics about TLS

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Traefiker Bot 2020-03-05 13:30:05 +01:00 committed by GitHub
parent a6040c623b
commit ad6bf936d5
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GPG key ID: 4AEE18F83AFDEB23
6 changed files with 178 additions and 37 deletions
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22
pkg/metrics/metrics.go
View file

@ -20,11 +20,13 @@ type Registry interface {
// entry point metrics // entry point metrics
EntryPointReqsCounter() metrics.Counter EntryPointReqsCounter() metrics.Counter
EntryPointReqsTLSCounter() metrics.Counter
EntryPointReqDurationHistogram() metrics.Histogram EntryPointReqDurationHistogram() metrics.Histogram
EntryPointOpenConnsGauge() metrics.Gauge EntryPointOpenConnsGauge() metrics.Gauge
// service metrics // service metrics
ServiceReqsCounter() metrics.Counter ServiceReqsCounter() metrics.Counter
ServiceReqsTLSCounter() metrics.Counter
ServiceReqDurationHistogram() metrics.Histogram ServiceReqDurationHistogram() metrics.Histogram
ServiceOpenConnsGauge() metrics.Gauge ServiceOpenConnsGauge() metrics.Gauge
ServiceRetriesCounter() metrics.Counter ServiceRetriesCounter() metrics.Counter
@ -46,9 +48,11 @@ func NewMultiRegistry(registries []Registry) Registry {
var lastConfigReloadSuccessGauge []metrics.Gauge var lastConfigReloadSuccessGauge []metrics.Gauge
var lastConfigReloadFailureGauge []metrics.Gauge var lastConfigReloadFailureGauge []metrics.Gauge
var entryPointReqsCounter []metrics.Counter var entryPointReqsCounter []metrics.Counter
var entryPointReqsTLSCounter []metrics.Counter
var entryPointReqDurationHistogram []metrics.Histogram var entryPointReqDurationHistogram []metrics.Histogram
var entryPointOpenConnsGauge []metrics.Gauge var entryPointOpenConnsGauge []metrics.Gauge
var serviceReqsCounter []metrics.Counter var serviceReqsCounter []metrics.Counter
var serviceReqsTLSCounter []metrics.Counter
var serviceReqDurationHistogram []metrics.Histogram var serviceReqDurationHistogram []metrics.Histogram
var serviceOpenConnsGauge []metrics.Gauge var serviceOpenConnsGauge []metrics.Gauge
var serviceRetriesCounter []metrics.Counter var serviceRetriesCounter []metrics.Counter
@ -70,6 +74,9 @@ func NewMultiRegistry(registries []Registry) Registry {
if r.EntryPointReqsCounter() != nil { if r.EntryPointReqsCounter() != nil {
entryPointReqsCounter = append(entryPointReqsCounter, r.EntryPointReqsCounter()) entryPointReqsCounter = append(entryPointReqsCounter, r.EntryPointReqsCounter())
} }
if r.EntryPointReqsTLSCounter() != nil {
entryPointReqsTLSCounter = append(entryPointReqsTLSCounter, r.EntryPointReqsTLSCounter())
}
if r.EntryPointReqDurationHistogram() != nil { if r.EntryPointReqDurationHistogram() != nil {
entryPointReqDurationHistogram = append(entryPointReqDurationHistogram, r.EntryPointReqDurationHistogram()) entryPointReqDurationHistogram = append(entryPointReqDurationHistogram, r.EntryPointReqDurationHistogram())
} }
@ -79,6 +86,9 @@ func NewMultiRegistry(registries []Registry) Registry {
if r.ServiceReqsCounter() != nil { if r.ServiceReqsCounter() != nil {
serviceReqsCounter = append(serviceReqsCounter, r.ServiceReqsCounter()) serviceReqsCounter = append(serviceReqsCounter, r.ServiceReqsCounter())
} }
if r.ServiceReqsTLSCounter() != nil {
serviceReqsTLSCounter = append(serviceReqsTLSCounter, r.ServiceReqsTLSCounter())
}
if r.ServiceReqDurationHistogram() != nil { if r.ServiceReqDurationHistogram() != nil {
serviceReqDurationHistogram = append(serviceReqDurationHistogram, r.ServiceReqDurationHistogram()) serviceReqDurationHistogram = append(serviceReqDurationHistogram, r.ServiceReqDurationHistogram())
} }
@ -101,9 +111,11 @@ func NewMultiRegistry(registries []Registry) Registry {
lastConfigReloadSuccessGauge: multi.NewGauge(lastConfigReloadSuccessGauge...), lastConfigReloadSuccessGauge: multi.NewGauge(lastConfigReloadSuccessGauge...),
lastConfigReloadFailureGauge: multi.NewGauge(lastConfigReloadFailureGauge...), lastConfigReloadFailureGauge: multi.NewGauge(lastConfigReloadFailureGauge...),
entryPointReqsCounter: multi.NewCounter(entryPointReqsCounter...), entryPointReqsCounter: multi.NewCounter(entryPointReqsCounter...),
entryPointReqsTLSCounter: multi.NewCounter(entryPointReqsTLSCounter...),
entryPointReqDurationHistogram: multi.NewHistogram(entryPointReqDurationHistogram...), entryPointReqDurationHistogram: multi.NewHistogram(entryPointReqDurationHistogram...),
entryPointOpenConnsGauge: multi.NewGauge(entryPointOpenConnsGauge...), entryPointOpenConnsGauge: multi.NewGauge(entryPointOpenConnsGauge...),
serviceReqsCounter: multi.NewCounter(serviceReqsCounter...), serviceReqsCounter: multi.NewCounter(serviceReqsCounter...),
serviceReqsTLSCounter: multi.NewCounter(serviceReqsTLSCounter...),
serviceReqDurationHistogram: multi.NewHistogram(serviceReqDurationHistogram...), serviceReqDurationHistogram: multi.NewHistogram(serviceReqDurationHistogram...),
serviceOpenConnsGauge: multi.NewGauge(serviceOpenConnsGauge...), serviceOpenConnsGauge: multi.NewGauge(serviceOpenConnsGauge...),
serviceRetriesCounter: multi.NewCounter(serviceRetriesCounter...), serviceRetriesCounter: multi.NewCounter(serviceRetriesCounter...),
@ -119,9 +131,11 @@ type standardRegistry struct {
lastConfigReloadSuccessGauge metrics.Gauge lastConfigReloadSuccessGauge metrics.Gauge
lastConfigReloadFailureGauge metrics.Gauge lastConfigReloadFailureGauge metrics.Gauge
entryPointReqsCounter metrics.Counter entryPointReqsCounter metrics.Counter
entryPointReqsTLSCounter metrics.Counter
entryPointReqDurationHistogram metrics.Histogram entryPointReqDurationHistogram metrics.Histogram
entryPointOpenConnsGauge metrics.Gauge entryPointOpenConnsGauge metrics.Gauge
serviceReqsCounter metrics.Counter serviceReqsCounter metrics.Counter
serviceReqsTLSCounter metrics.Counter
serviceReqDurationHistogram metrics.Histogram serviceReqDurationHistogram metrics.Histogram
serviceOpenConnsGauge metrics.Gauge serviceOpenConnsGauge metrics.Gauge
serviceRetriesCounter metrics.Counter serviceRetriesCounter metrics.Counter
@ -156,6 +170,10 @@ func (r *standardRegistry) EntryPointReqsCounter() metrics.Counter {
return r.entryPointReqsCounter return r.entryPointReqsCounter
} }
func (r *standardRegistry) EntryPointReqsTLSCounter() metrics.Counter {
return r.entryPointReqsTLSCounter
}
func (r *standardRegistry) EntryPointReqDurationHistogram() metrics.Histogram { func (r *standardRegistry) EntryPointReqDurationHistogram() metrics.Histogram {
return r.entryPointReqDurationHistogram return r.entryPointReqDurationHistogram
} }
@ -168,6 +186,10 @@ func (r *standardRegistry) ServiceReqsCounter() metrics.Counter {
return r.serviceReqsCounter return r.serviceReqsCounter
} }
func (r *standardRegistry) ServiceReqsTLSCounter() metrics.Counter {
return r.serviceReqsTLSCounter
}
func (r *standardRegistry) ServiceReqDurationHistogram() metrics.Histogram { func (r *standardRegistry) ServiceReqDurationHistogram() metrics.Histogram {
return r.serviceReqDurationHistogram return r.serviceReqDurationHistogram
} }

14
pkg/metrics/prometheus.go
View file

@ -30,6 +30,7 @@ const (
// entry point // entry point
metricEntryPointPrefix = MetricNamePrefix + "entrypoint_" metricEntryPointPrefix = MetricNamePrefix + "entrypoint_"
entryPointReqsTotalName = metricEntryPointPrefix + "requests_total" entryPointReqsTotalName = metricEntryPointPrefix + "requests_total"
entryPointReqsTLSTotalName = metricEntryPointPrefix + "requests_tls_total"
entryPointReqDurationName = metricEntryPointPrefix + "request_duration_seconds" entryPointReqDurationName = metricEntryPointPrefix + "request_duration_seconds"
entryPointOpenConnsName = metricEntryPointPrefix + "open_connections" entryPointOpenConnsName = metricEntryPointPrefix + "open_connections"
@ -38,6 +39,7 @@ const (
// MetricServicePrefix prefix of all service metric names // MetricServicePrefix prefix of all service metric names
MetricServicePrefix = MetricNamePrefix + "service_" MetricServicePrefix = MetricNamePrefix + "service_"
serviceReqsTotalName = MetricServicePrefix + "requests_total" serviceReqsTotalName = MetricServicePrefix + "requests_total"
serviceReqsTLSTotalName = MetricServicePrefix + "requests_tls_total"
serviceReqDurationName = MetricServicePrefix + "request_duration_seconds" serviceReqDurationName = MetricServicePrefix + "request_duration_seconds"
serviceOpenConnsName = MetricServicePrefix + "open_connections" serviceOpenConnsName = MetricServicePrefix + "open_connections"
serviceRetriesTotalName = MetricServicePrefix + "retries_total" serviceRetriesTotalName = MetricServicePrefix + "retries_total"
@ -136,6 +138,10 @@ func initStandardRegistry(config *types.Prometheus) Registry {
Name: entryPointReqsTotalName, Name: entryPointReqsTotalName,
Help: "How many HTTP requests processed on an entrypoint, partitioned by status code, protocol, and method.", Help: "How many HTTP requests processed on an entrypoint, partitioned by status code, protocol, and method.",
}, []string{"code", "method", "protocol", "entrypoint"}) }, []string{"code", "method", "protocol", "entrypoint"})
entryPointReqsTLS := newCounterFrom(promState.collectors, stdprometheus.CounterOpts{
Name: entryPointReqsTLSTotalName,
Help: "How many HTTP requests with TLS processed on an entrypoint, partitioned by TLS Version and TLS cipher Used.",
}, []string{"tls_version", "tls_cipher", "entrypoint"})
entryPointReqDurations := newHistogramFrom(promState.collectors, stdprometheus.HistogramOpts{ entryPointReqDurations := newHistogramFrom(promState.collectors, stdprometheus.HistogramOpts{
Name: entryPointReqDurationName, Name: entryPointReqDurationName,
Help: "How long it took to process the request on an entrypoint, partitioned by status code, protocol, and method.", Help: "How long it took to process the request on an entrypoint, partitioned by status code, protocol, and method.",
@ -148,10 +154,12 @@ func initStandardRegistry(config *types.Prometheus) Registry {
promState.describers = append(promState.describers, []func(chan<- *stdprometheus.Desc){ promState.describers = append(promState.describers, []func(chan<- *stdprometheus.Desc){
entryPointReqs.cv.Describe, entryPointReqs.cv.Describe,
entryPointReqsTLS.cv.Describe,
entryPointReqDurations.hv.Describe, entryPointReqDurations.hv.Describe,
entryPointOpenConns.gv.Describe, entryPointOpenConns.gv.Describe,
}...) }...)
reg.entryPointReqsCounter = entryPointReqs reg.entryPointReqsCounter = entryPointReqs
reg.entryPointReqsTLSCounter = entryPointReqsTLS
reg.entryPointReqDurationHistogram = entryPointReqDurations reg.entryPointReqDurationHistogram = entryPointReqDurations
reg.entryPointOpenConnsGauge = entryPointOpenConns reg.entryPointOpenConnsGauge = entryPointOpenConns
} }
@ -160,6 +168,10 @@ func initStandardRegistry(config *types.Prometheus) Registry {
Name: serviceReqsTotalName, Name: serviceReqsTotalName,
Help: "How many HTTP requests processed on a service, partitioned by status code, protocol, and method.", Help: "How many HTTP requests processed on a service, partitioned by status code, protocol, and method.",
}, []string{"code", "method", "protocol", "service"}) }, []string{"code", "method", "protocol", "service"})
serviceReqsTLS := newCounterFrom(promState.collectors, stdprometheus.CounterOpts{
Name: serviceReqsTLSTotalName,
Help: "How many HTTP requests with TLS processed on a service, partitioned by TLS version and TLS cipher.",
}, []string{"tls_version", "tls_cipher", "service"})
serviceReqDurations := newHistogramFrom(promState.collectors, stdprometheus.HistogramOpts{ serviceReqDurations := newHistogramFrom(promState.collectors, stdprometheus.HistogramOpts{
Name: serviceReqDurationName, Name: serviceReqDurationName,
Help: "How long it took to process the request on a service, partitioned by status code, protocol, and method.", Help: "How long it took to process the request on a service, partitioned by status code, protocol, and method.",
@ -180,6 +192,7 @@ func initStandardRegistry(config *types.Prometheus) Registry {
promState.describers = append(promState.describers, []func(chan<- *stdprometheus.Desc){ promState.describers = append(promState.describers, []func(chan<- *stdprometheus.Desc){
serviceReqs.cv.Describe, serviceReqs.cv.Describe,
serviceReqsTLS.cv.Describe,
serviceReqDurations.hv.Describe, serviceReqDurations.hv.Describe,
serviceOpenConns.gv.Describe, serviceOpenConns.gv.Describe,
serviceRetries.cv.Describe, serviceRetries.cv.Describe,
@ -187,6 +200,7 @@ func initStandardRegistry(config *types.Prometheus) Registry {
}...) }...)
reg.serviceReqsCounter = serviceReqs reg.serviceReqsCounter = serviceReqs
reg.serviceReqsTLSCounter = serviceReqsTLS
reg.serviceReqDurationHistogram = serviceReqDurations reg.serviceReqDurationHistogram = serviceReqDurations
reg.serviceOpenConnsGauge = serviceOpenConns reg.serviceOpenConnsGauge = serviceOpenConns
reg.serviceRetriesCounter = serviceRetries reg.serviceRetriesCounter = serviceRetries

37
pkg/middlewares/metrics/metrics.go
View file

@ -2,6 +2,7 @@ package metrics
import ( import (
"context" "context"
"crypto/tls"
"net/http" "net/http"
"strconv" "strconv"
"strings" "strings"
@ -13,6 +14,7 @@ import (
"github.com/containous/traefik/v2/pkg/metrics" "github.com/containous/traefik/v2/pkg/metrics"
"github.com/containous/traefik/v2/pkg/middlewares" "github.com/containous/traefik/v2/pkg/middlewares"
"github.com/containous/traefik/v2/pkg/middlewares/retry" "github.com/containous/traefik/v2/pkg/middlewares/retry"
traefiktls "github.com/containous/traefik/v2/pkg/tls"
gokitmetrics "github.com/go-kit/kit/metrics" gokitmetrics "github.com/go-kit/kit/metrics"
) )
@ -28,6 +30,7 @@ const (
type metricsMiddleware struct { type metricsMiddleware struct {
next http.Handler next http.Handler
reqsCounter gokitmetrics.Counter reqsCounter gokitmetrics.Counter
reqsTLSCounter gokitmetrics.Counter
reqDurationHistogram gokitmetrics.Histogram reqDurationHistogram gokitmetrics.Histogram
openConnsGauge gokitmetrics.Gauge openConnsGauge gokitmetrics.Gauge
baseLabels []string baseLabels []string
@ -40,6 +43,7 @@ func NewEntryPointMiddleware(ctx context.Context, next http.Handler, registry me
return &metricsMiddleware{ return &metricsMiddleware{
next: next, next: next,
reqsCounter: registry.EntryPointReqsCounter(), reqsCounter: registry.EntryPointReqsCounter(),
reqsTLSCounter: registry.EntryPointReqsTLSCounter(),
reqDurationHistogram: registry.EntryPointReqDurationHistogram(), reqDurationHistogram: registry.EntryPointReqDurationHistogram(),
openConnsGauge: registry.EntryPointOpenConnsGauge(), openConnsGauge: registry.EntryPointOpenConnsGauge(),
baseLabels: []string{"entrypoint", entryPointName}, baseLabels: []string{"entrypoint", entryPointName},
@ -53,6 +57,7 @@ func NewServiceMiddleware(ctx context.Context, next http.Handler, registry metri
return &metricsMiddleware{ return &metricsMiddleware{
next: next, next: next,
reqsCounter: registry.ServiceReqsCounter(), reqsCounter: registry.ServiceReqsCounter(),
reqsTLSCounter: registry.ServiceReqsTLSCounter(),
reqDurationHistogram: registry.ServiceReqDurationHistogram(), reqDurationHistogram: registry.ServiceReqDurationHistogram(),
openConnsGauge: registry.ServiceOpenConnsGauge(), openConnsGauge: registry.ServiceOpenConnsGauge(),
baseLabels: []string{"service", serviceName}, baseLabels: []string{"service", serviceName},
@ -81,6 +86,15 @@ func (m *metricsMiddleware) ServeHTTP(rw http.ResponseWriter, req *http.Request)
m.openConnsGauge.With(labels...).Add(1) m.openConnsGauge.With(labels...).Add(1)
defer m.openConnsGauge.With(labels...).Add(-1) defer m.openConnsGauge.With(labels...).Add(-1)
// TLS metrics
if req.TLS != nil {
var tlsLabels []string
tlsLabels = append(tlsLabels, m.baseLabels...)
tlsLabels = append(tlsLabels, "tls_version", getRequestTLSVersion(req), "tls_cipher", getRequestTLSCipher(req))
m.reqsTLSCounter.With(tlsLabels...).Add(1)
}
recorder := newResponseRecorder(rw) recorder := newResponseRecorder(rw)
start := time.Now() start := time.Now()
m.next.ServeHTTP(recorder, req) m.next.ServeHTTP(recorder, req)
@ -131,6 +145,29 @@ func getMethod(r *http.Request) string {
return r.Method return r.Method
} }
func getRequestTLSVersion(req *http.Request) string {
switch req.TLS.Version {
case tls.VersionTLS10:
return "1.0"
case tls.VersionTLS11:
return "1.1"
case tls.VersionTLS12:
return "1.2"
case tls.VersionTLS13:
return "1.3"
default:
return "unknown"
}
}
func getRequestTLSCipher(req *http.Request) string {
if version, ok := traefiktls.CipherSuitesReversed[req.TLS.CipherSuite]; ok {
return version
}
return "unknown"
}
type retryMetrics interface { type retryMetrics interface {
ServiceRetriesCounter() gokitmetrics.Counter ServiceRetriesCounter() gokitmetrics.Counter
} }

33
pkg/tls/certificate.go
View file

@ -30,39 +30,6 @@ var (
`VersionTLS13`: tls.VersionTLS13, `VersionTLS13`: tls.VersionTLS13,
} }
// CipherSuites Map of TLS CipherSuites from crypto/tls
// Available CipherSuites defined at https://golang.org/pkg/crypto/tls/#pkg-constants
CipherSuites = map[string]uint16{
`TLS_RSA_WITH_RC4_128_SHA`: tls.TLS_RSA_WITH_RC4_128_SHA,
`TLS_RSA_WITH_3DES_EDE_CBC_SHA`: tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
`TLS_RSA_WITH_AES_128_CBC_SHA`: tls.TLS_RSA_WITH_AES_128_CBC_SHA,
`TLS_RSA_WITH_AES_256_CBC_SHA`: tls.TLS_RSA_WITH_AES_256_CBC_SHA,
`TLS_RSA_WITH_AES_128_CBC_SHA256`: tls.TLS_RSA_WITH_AES_128_CBC_SHA256,
`TLS_RSA_WITH_AES_128_GCM_SHA256`: tls.TLS_RSA_WITH_AES_128_GCM_SHA256,
`TLS_RSA_WITH_AES_256_GCM_SHA384`: tls.TLS_RSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_ECDSA_WITH_RC4_128_SHA`: tls.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA`: tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
`TLS_ECDHE_RSA_WITH_RC4_128_SHA`: tls.TLS_ECDHE_RSA_WITH_RC4_128_SHA,
`TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
`TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
`TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
`TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256`: tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
`TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256`: tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
`TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
`TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384`: tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384`: tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305`: tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
`TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256`: tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
`TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305`: tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
`TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256`: tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,
"TLS_AES_128_GCM_SHA256": tls.TLS_AES_128_GCM_SHA256,
"TLS_AES_256_GCM_SHA384": tls.TLS_AES_256_GCM_SHA384,
"TLS_CHACHA20_POLY1305_SHA256": tls.TLS_CHACHA20_POLY1305_SHA256,
"TLS_FALLBACK_SCSV": tls.TLS_FALLBACK_SCSV,
}
// CurveIDs is a Map of TLS elliptic curves from crypto/tls // CurveIDs is a Map of TLS elliptic curves from crypto/tls
// Available CurveIDs defined at https://godoc.org/crypto/tls#CurveID, // Available CurveIDs defined at https://godoc.org/crypto/tls#CurveID,
// also allowing rfc names defined at https://tools.ietf.org/html/rfc8446#section-4.2.7 // also allowing rfc names defined at https://tools.ietf.org/html/rfc8446#section-4.2.7

71
pkg/tls/cipher.go Normal file
View file

@ -0,0 +1,71 @@
package tls
import (
"crypto/tls"
)
var (
// CipherSuites Map of TLS CipherSuites from crypto/tls
// Available CipherSuites defined at https://golang.org/pkg/crypto/tls/#pkg-constants
CipherSuites = map[string]uint16{
`TLS_RSA_WITH_RC4_128_SHA`: tls.TLS_RSA_WITH_RC4_128_SHA,
`TLS_RSA_WITH_3DES_EDE_CBC_SHA`: tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA,
`TLS_RSA_WITH_AES_128_CBC_SHA`: tls.TLS_RSA_WITH_AES_128_CBC_SHA,
`TLS_RSA_WITH_AES_256_CBC_SHA`: tls.TLS_RSA_WITH_AES_256_CBC_SHA,
`TLS_RSA_WITH_AES_128_CBC_SHA256`: tls.TLS_RSA_WITH_AES_128_CBC_SHA256,
`TLS_RSA_WITH_AES_128_GCM_SHA256`: tls.TLS_RSA_WITH_AES_128_GCM_SHA256,
`TLS_RSA_WITH_AES_256_GCM_SHA384`: tls.TLS_RSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_ECDSA_WITH_RC4_128_SHA`: tls.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA`: tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
`TLS_ECDHE_RSA_WITH_RC4_128_SHA`: tls.TLS_ECDHE_RSA_WITH_RC4_128_SHA,
`TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
`TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
`TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA`: tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
`TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
`TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256`: tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
`TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256`: tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
`TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256`: tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
`TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384`: tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384`: tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
`TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305`: tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
`TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256`: tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
`TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305`: tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
`TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256`: tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,
`TLS_AES_128_GCM_SHA256`: tls.TLS_AES_128_GCM_SHA256,
`TLS_AES_256_GCM_SHA384`: tls.TLS_AES_256_GCM_SHA384,
`TLS_CHACHA20_POLY1305_SHA256`: tls.TLS_CHACHA20_POLY1305_SHA256,
`TLS_FALLBACK_SCSV`: tls.TLS_FALLBACK_SCSV,
}
// CipherSuitesReversed Map of TLS CipherSuites from crypto/tls
// Available CipherSuites defined at https://golang.org/pkg/crypto/tls/#pkg-constants
CipherSuitesReversed = map[uint16]string{
tls.TLS_RSA_WITH_RC4_128_SHA: `TLS_RSA_WITH_RC4_128_SHA`,
tls.TLS_RSA_WITH_3DES_EDE_CBC_SHA: `TLS_RSA_WITH_3DES_EDE_CBC_SHA`,
tls.TLS_RSA_WITH_AES_128_CBC_SHA: `TLS_RSA_WITH_AES_128_CBC_SHA`,
tls.TLS_RSA_WITH_AES_256_CBC_SHA: `TLS_RSA_WITH_AES_256_CBC_SHA`,
tls.TLS_RSA_WITH_AES_128_CBC_SHA256: `TLS_RSA_WITH_AES_128_CBC_SHA256`,
tls.TLS_RSA_WITH_AES_128_GCM_SHA256: `TLS_RSA_WITH_AES_128_GCM_SHA256`,
tls.TLS_RSA_WITH_AES_256_GCM_SHA384: `TLS_RSA_WITH_AES_256_GCM_SHA384`,
tls.TLS_ECDHE_ECDSA_WITH_RC4_128_SHA: `TLS_ECDHE_ECDSA_WITH_RC4_128_SHA`,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA: `TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA`,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA: `TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA`,
tls.TLS_ECDHE_RSA_WITH_RC4_128_SHA: `TLS_ECDHE_RSA_WITH_RC4_128_SHA`,
tls.TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA: `TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA`,
tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA: `TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA`,
tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA: `TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA`,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256: `TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256`,
tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256: `TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256`,
tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256: `TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256`,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256: `TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256`,
tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384: `TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384`,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384: `TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384`,
tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256: `TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256`,
tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256: `TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256`,
tls.TLS_AES_128_GCM_SHA256: `TLS_AES_128_GCM_SHA256`,
tls.TLS_AES_256_GCM_SHA384: `TLS_AES_256_GCM_SHA384`,
tls.TLS_CHACHA20_POLY1305_SHA256: `TLS_CHACHA20_POLY1305_SHA256`,
tls.TLS_FALLBACK_SCSV: `TLS_FALLBACK_SCSV`,
}
)

30
pkg/tls/cipher_test.go Normal file
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@ -0,0 +1,30 @@
package tls
import (
"testing"
)
func TestCiphersMapsSync(t *testing.T) {
for k, v := range CipherSuites {
// Following names are legacy aliases.
// We do not test for their presence in CipherSuitesReversed
switch k {
case "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305", "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305":
continue
}
if rv, ok := CipherSuitesReversed[v]; !ok {
t.Errorf("Maps not in sync: `%d` key is missing in tls.CipherSuitesReversed", v)
} else if k != rv {
t.Errorf("Maps not in sync: tls.CipherSuites[%s] = `%d` AND tls.CipherSuitesReversed[`%d`] = `%v`", k, v, v, rv)
}
}
for k, v := range CipherSuitesReversed {
if rv, ok := CipherSuites[v]; !ok {
t.Errorf("Maps not in sync: `%s` key is missing in tls.CipherSuites", v)
} else if k != rv {
t.Errorf("Maps not in sync: tls.CipherSuitesReversed[`%d`] = `%s` AND tls.CipherSuites[`%s`] = `%d`", k, v, v, rv)
}
}
}