Centralise tls configuration part 2 (#5374)

This PR is based on #5366 and continues to centralise the tls configuration in order to be reloadable eventually!

This PR is another refactoring. No tests are changed, beyond calling other functions or cosmetic stuff. I added a bunch of tests, even though they might be redundant.
This commit is contained in:
Hans Hasselberg 2019-02-27 10:14:59 +01:00 committed by GitHub
parent 6d3d18d244
commit c6ad6daa09
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 408 additions and 186 deletions

View File

@ -251,6 +251,8 @@ type Agent struct {
// Envoy.
grpcServer *grpc.Server
// tlsConfigurator is the central instance to provide a *tls.Config
// based on the current consul configuration.
tlsConfigurator *tlsutil.Configurator
}
@ -2108,7 +2110,8 @@ func (a *Agent) AddCheck(check *structs.HealthCheck, chkType *structs.CheckType,
chkType.Interval = checks.MinInterval
}
tlsClientConfig, err := a.setupTLSClientConfig(chkType.TLSSkipVerify)
a.tlsConfigurator.AddCheck(string(check.CheckID), chkType.TLSSkipVerify)
tlsClientConfig, err := a.tlsConfigurator.OutgoingTLSConfigForCheck(string(check.CheckID))
if err != nil {
return fmt.Errorf("Failed to set up TLS: %v", err)
}
@ -2163,7 +2166,8 @@ func (a *Agent) AddCheck(check *structs.HealthCheck, chkType *structs.CheckType,
var tlsClientConfig *tls.Config
if chkType.GRPCUseTLS {
var err error
tlsClientConfig, err = a.setupTLSClientConfig(chkType.TLSSkipVerify)
a.tlsConfigurator.AddCheck(string(check.CheckID), chkType.TLSSkipVerify)
tlsClientConfig, err = a.tlsConfigurator.OutgoingTLSConfigForCheck(string(check.CheckID))
if err != nil {
return fmt.Errorf("Failed to set up TLS: %v", err)
}
@ -2301,23 +2305,6 @@ func (a *Agent) AddCheck(check *structs.HealthCheck, chkType *structs.CheckType,
return nil
}
func (a *Agent) setupTLSClientConfig(skipVerify bool) (tlsClientConfig *tls.Config, err error) {
// We re-use the API client's TLS structure since it
// closely aligns with Consul's internal configuration.
tlsConfig := &api.TLSConfig{
InsecureSkipVerify: skipVerify,
}
if a.config.EnableAgentTLSForChecks {
tlsConfig.Address = a.config.ServerName
tlsConfig.KeyFile = a.config.KeyFile
tlsConfig.CertFile = a.config.CertFile
tlsConfig.CAFile = a.config.CAFile
tlsConfig.CAPath = a.config.CAPath
}
tlsClientConfig, err = api.SetupTLSConfig(tlsConfig)
return
}
// RemoveCheck is used to remove a health check.
// The agent will make a best effort to ensure it is deregistered
func (a *Agent) RemoveCheck(checkID types.CheckID, persist bool) error {
@ -2328,6 +2315,7 @@ func (a *Agent) RemoveCheck(checkID types.CheckID, persist bool) error {
// Add to the local state for anti-entropy
a.State.RemoveCheck(checkID)
a.tlsConfigurator.RemoveCheck(string(checkID))
a.checkLock.Lock()
defer a.checkLock.Unlock()

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@ -4,9 +4,9 @@ import (
"crypto/tls"
"crypto/x509"
"fmt"
"io/ioutil"
"net"
"strings"
"sync"
"time"
"github.com/hashicorp/go-rootcerts"
@ -34,7 +34,15 @@ type Config struct {
// This means that TCP requests are forbidden, only allowing for TLS. TLS connections
// must match a provided certificate authority. This can be used to force client auth.
VerifyIncoming bool
// VerifyIncomingRPC is used to verify the authenticity of incoming RPC connections.
// This means that TCP requests are forbidden, only allowing for TLS. TLS connections
// must match a provided certificate authority. This can be used to force client auth.
VerifyIncomingRPC bool
// VerifyIncomingHTTPS is used to verify the authenticity of incoming HTTPS connections.
// This means that TCP requests are forbidden, only allowing for TLS. TLS connections
// must match a provided certificate authority. This can be used to force client auth.
VerifyIncomingHTTPS bool
// VerifyOutgoing is used to verify the authenticity of outgoing connections.
@ -90,29 +98,14 @@ type Config struct {
// over the client ciphersuites.
PreferServerCipherSuites bool
// EnableAgentTLSForChecks is used to apply the agent's TLS settings in
// order to configure the HTTP client used for health checks. Enabling
// this allows HTTP checks to present a client certificate and verify
// the server using the same TLS configuration as the agent (CA, cert,
// and key).
EnableAgentTLSForChecks bool
}
// AppendCA opens and parses the CA file and adds the certificates to
// the provided CertPool.
func (c *Config) AppendCA(pool *x509.CertPool) error {
if c.CAFile == "" {
return nil
}
// Read the file
data, err := ioutil.ReadFile(c.CAFile)
if err != nil {
return fmt.Errorf("Failed to read CA file: %v", err)
}
if !pool.AppendCertsFromPEM(data) {
return fmt.Errorf("Failed to parse any CA certificates")
}
return nil
}
// KeyPair is used to open and parse a certificate and key file
func (c *Config) KeyPair() (*tls.Certificate, error) {
if c.CertFile == "" || c.KeyFile == "" {
@ -198,22 +191,44 @@ func (c *Config) wrapTLSClient(conn net.Conn, tlsConfig *tls.Config) (net.Conn,
return tlsConn, err
}
// Configurator holds a Config and is responsible for generating all the
// *tls.Config necessary for Consul. Except the one in the api package.
type Configurator struct {
sync.Mutex
base *Config
checks map[string]bool
}
// NewConfigurator creates a new Configurator and sets the provided
// configuration.
// Todo (Hans): should config be a value instead a pointer to avoid side
// effects?
func NewConfigurator(config *Config) *Configurator {
return &Configurator{base: config}
return &Configurator{base: config, checks: map[string]bool{}}
}
func (c *Configurator) commonTLSConfig() (*tls.Config, error) {
// Update updates the internal configuration which is used to generate
// *tls.Config.
func (c *Configurator) Update(config *Config) {
c.Lock()
defer c.Unlock()
c.base = config
}
// commonTLSConfig generates a *tls.Config from the base configuration the
// Configurator has. It accepts an additional flag in case a config is needed
// for incoming TLS connections.
func (c *Configurator) commonTLSConfig(additionalVerifyIncomingFlag bool) (*tls.Config, error) {
if c.base == nil {
return nil, fmt.Errorf("No config")
return nil, fmt.Errorf("No base config")
}
tlsConfig := &tls.Config{
ClientAuth: tls.NoClientCert,
InsecureSkipVerify: c.base.skipBuiltinVerify(),
ServerName: c.base.ServerName,
}
if tlsConfig.ServerName == "" {
tlsConfig.ServerName = c.base.NodeName
}
@ -242,44 +257,12 @@ func (c *Configurator) commonTLSConfig() (*tls.Config, error) {
}
tlsConfig.MinVersion = tlsvers
}
return tlsConfig, nil
}
func (c *Configurator) outgoingTLSConfig() (*tls.Config, error) {
tlsConfig, err := c.commonTLSConfig()
if err != nil {
return nil, err
}
tlsConfig.RootCAs = x509.NewCertPool()
tlsConfig.InsecureSkipVerify = c.base.skipBuiltinVerify()
// Ensure we have a CA if VerifyOutgoing is set
if c.base.VerifyOutgoing && c.base.CAFile == "" && c.base.CAPath == "" {
return nil, fmt.Errorf("VerifyOutgoing set, and no CA certificate provided!")
}
// Parse the CA certs if any
rootConfig := &rootcerts.Config{
CAFile: c.base.CAFile,
CAPath: c.base.CAPath,
}
if err := rootcerts.ConfigureTLS(tlsConfig, rootConfig); err != nil {
return nil, err
}
return tlsConfig, nil
}
func (c *Configurator) incomingTLSConfig(verify bool) (*tls.Config, error) {
tlsConfig, err := c.commonTLSConfig()
if err != nil {
return nil, err
}
tlsConfig.ClientCAs = x509.NewCertPool()
tlsConfig.ClientAuth = tls.NoClientCert
// Parse the CA certs if any
if c.base.CAFile != "" {
pool, err := rootcerts.LoadCAFile(c.base.CAFile)
@ -287,43 +270,73 @@ func (c *Configurator) incomingTLSConfig(verify bool) (*tls.Config, error) {
return nil, err
}
tlsConfig.ClientCAs = pool
tlsConfig.RootCAs = pool
} else if c.base.CAPath != "" {
pool, err := rootcerts.LoadCAPath(c.base.CAPath)
if err != nil {
return nil, err
}
tlsConfig.ClientCAs = pool
tlsConfig.RootCAs = pool
}
if verify {
tlsConfig.ClientAuth = tls.RequireAndVerifyClientCert
// Set ClientAuth if necessary
if c.base.VerifyIncoming || additionalVerifyIncomingFlag {
if c.base.CAFile == "" && c.base.CAPath == "" {
return nil, fmt.Errorf("VerifyIncoming set, and no CA certificate provided!")
}
if len(tlsConfig.Certificates) == 0 {
return nil, fmt.Errorf("VerifyIncoming set, and no Cert/Key pair provided!")
}
tlsConfig.ClientAuth = tls.RequireAndVerifyClientCert
}
return tlsConfig, nil
}
// IncomingRPCConfig generates a *tls.Config for incoming RPC connections.
func (c *Configurator) IncomingRPCConfig() (*tls.Config, error) {
return c.incomingTLSConfig(c.base.VerifyIncoming || c.base.VerifyIncomingRPC)
return c.commonTLSConfig(c.base.VerifyIncomingRPC)
}
// IncomingHTTPSConfig generates a *tls.Config for incoming HTTPS connections.
func (c *Configurator) IncomingHTTPSConfig() (*tls.Config, error) {
return c.incomingTLSConfig(c.base.VerifyIncoming || c.base.VerifyIncomingHTTPS)
return c.commonTLSConfig(c.base.VerifyIncomingHTTPS)
}
// IncomingTLSConfig generates a *tls.Config for outgoing TLS connections for
// checks. This function is seperated because there is an extra flag to
// consider for checks. EnableAgentTLSForChecks and InsecureSkipVerify has to
// be checked for checks.
func (c *Configurator) OutgoingTLSConfigForCheck(id string) (*tls.Config, error) {
if !c.base.EnableAgentTLSForChecks {
return &tls.Config{
InsecureSkipVerify: c.getSkipVerifyForCheck(id),
}, nil
}
tlsConfig, err := c.commonTLSConfig(false)
if err != nil {
return nil, err
}
tlsConfig.InsecureSkipVerify = c.getSkipVerifyForCheck(id)
return tlsConfig, nil
}
// OutgoingRPCConfig generates a *tls.Config for outgoing RPC connections. If
// there is a CA or VerifyOutgoing is set, a *tls.Config will be provided,
// otherwise we assume that no TLS should be used.
func (c *Configurator) OutgoingRPCConfig() (*tls.Config, error) {
useTLS := c.base.CAFile != "" || c.base.CAPath != "" || c.base.VerifyOutgoing
if !useTLS {
return nil, nil
}
return c.outgoingTLSConfig()
return c.commonTLSConfig(false)
}
// OutgoingRPCWrapper wraps the result of OutgoingRPCConfig in a DCWrapper. It
// decides if verify server hostname should be used.
func (c *Configurator) OutgoingRPCWrapper() (DCWrapper, error) {
// Get the TLS config
tlsConfig, err := c.OutgoingRPCConfig()
@ -350,7 +363,29 @@ func (c *Configurator) OutgoingRPCWrapper() (DCWrapper, error) {
return wrapper, nil
}
// ParseCiphers parse ciphersuites from the comma-separated string into recognized slice
// AddCheck adds a check to the internal check map together with the skipVerify
// value, which is used when generating a *tls.Config for this check.
func (c *Configurator) AddCheck(id string, skipVerify bool) {
c.Lock()
defer c.Unlock()
c.checks[id] = skipVerify
}
// RemoveCheck removes a check from the internal check map.
func (c *Configurator) RemoveCheck(id string) {
c.Lock()
defer c.Unlock()
delete(c.checks, id)
}
func (c *Configurator) getSkipVerifyForCheck(id string) bool {
c.Lock()
defer c.Unlock()
return c.checks[id]
}
// ParseCiphers parse ciphersuites from the comma-separated string into
// recognized slice
func ParseCiphers(cipherStr string) ([]uint16, error) {
suites := []uint16{}

View File

@ -14,32 +14,6 @@ import (
"github.com/stretchr/testify/require"
)
func TestConfig_AppendCA_None(t *testing.T) {
conf := &Config{}
pool := x509.NewCertPool()
err := conf.AppendCA(pool)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(pool.Subjects()) != 0 {
t.Fatalf("bad: %v", pool.Subjects())
}
}
func TestConfig_CACertificate_Valid(t *testing.T) {
conf := &Config{
CAFile: "../test/ca/root.cer",
}
pool := x509.NewCertPool()
err := conf.AppendCA(pool)
if err != nil {
t.Fatalf("err: %v", err)
}
if len(pool.Subjects()) == 0 {
t.Fatalf("expected cert")
}
}
func TestConfig_KeyPair_None(t *testing.T) {
conf := &Config{}
cert, err := conf.KeyPair()
@ -94,11 +68,71 @@ func TestConfigurator_OutgoingTLS_VerifyOutgoing(t *testing.T) {
tlsConf, err := c.OutgoingRPCConfig()
require.NoError(t, err)
require.NotNil(t, tlsConf)
require.Equal(t, len(tlsConf.RootCAs.Subjects()), 1)
require.Len(t, tlsConf.RootCAs.Subjects(), 1)
require.Empty(t, tlsConf.ServerName)
require.True(t, tlsConf.InsecureSkipVerify)
}
func TestConfigurator_OutgoingTLS_ServerName(t *testing.T) {
conf := &Config{
VerifyOutgoing: true,
CAFile: "../test/ca/root.cer",
ServerName: "consul.example.com",
}
c := NewConfigurator(conf)
tlsConf, err := c.OutgoingRPCConfig()
require.NoError(t, err)
require.NotNil(t, tlsConf)
require.Len(t, tlsConf.RootCAs.Subjects(), 1)
require.Equal(t, tlsConf.ServerName, "consul.example.com")
require.False(t, tlsConf.InsecureSkipVerify)
}
func TestConfigurator_OutgoingTLS_VerifyHostname(t *testing.T) {
conf := &Config{
VerifyOutgoing: true,
VerifyServerHostname: true,
CAFile: "../test/ca/root.cer",
}
c := NewConfigurator(conf)
tlsConf, err := c.OutgoingRPCConfig()
require.NoError(t, err)
require.NotNil(t, tlsConf)
require.Len(t, tlsConf.RootCAs.Subjects(), 1)
require.False(t, tlsConf.InsecureSkipVerify)
}
func TestConfigurator_OutgoingTLS_WithKeyPair(t *testing.T) {
conf := &Config{
VerifyOutgoing: true,
CAFile: "../test/ca/root.cer",
CertFile: "../test/key/ourdomain.cer",
KeyFile: "../test/key/ourdomain.key",
}
c := NewConfigurator(conf)
tlsConf, err := c.OutgoingRPCConfig()
require.NoError(t, err)
require.NotNil(t, tlsConf)
require.True(t, tlsConf.InsecureSkipVerify)
require.Len(t, tlsConf.Certificates, 1)
}
func TestConfigurator_OutgoingTLS_TLSMinVersion(t *testing.T) {
tlsVersions := []string{"tls10", "tls11", "tls12"}
for _, version := range tlsVersions {
conf := &Config{
VerifyOutgoing: true,
CAFile: "../test/ca/root.cer",
TLSMinVersion: version,
}
c := NewConfigurator(conf)
tlsConf, err := c.OutgoingRPCConfig()
require.NoError(t, err)
require.NotNil(t, tlsConf)
require.Equal(t, tlsConf.MinVersion, TLSLookup[version])
}
}
func TestConfig_SkipBuiltinVerify(t *testing.T) {
type variant struct {
config Config
@ -116,66 +150,6 @@ func TestConfig_SkipBuiltinVerify(t *testing.T) {
}
}
func TestConfigurator_OutgoingTLS_ServerName(t *testing.T) {
conf := &Config{
VerifyOutgoing: true,
CAFile: "../test/ca/root.cer",
ServerName: "consul.example.com",
}
c := NewConfigurator(conf)
tlsConf, err := c.OutgoingRPCConfig()
require.NoError(t, err)
require.NotNil(t, tlsConf)
require.Equal(t, len(tlsConf.RootCAs.Subjects()), 1)
require.Equal(t, tlsConf.ServerName, "consul.example.com")
require.False(t, tlsConf.InsecureSkipVerify)
}
func TestConfigurator_OutgoingTLS_VerifyHostname(t *testing.T) {
conf := &Config{
VerifyOutgoing: true,
VerifyServerHostname: true,
CAFile: "../test/ca/root.cer",
}
c := NewConfigurator(conf)
tlsConf, err := c.OutgoingRPCConfig()
require.NoError(t, err)
require.NotNil(t, tlsConf)
require.Equal(t, len(tlsConf.RootCAs.Subjects()), 1)
require.False(t, tlsConf.InsecureSkipVerify)
}
func TestConfigurator_OutgoingTLS_WithKeyPair(t *testing.T) {
conf := &Config{
VerifyOutgoing: true,
CAFile: "../test/ca/root.cer",
CertFile: "../test/key/ourdomain.cer",
KeyFile: "../test/key/ourdomain.key",
}
c := NewConfigurator(conf)
tlsConf, err := c.OutgoingRPCConfig()
require.NoError(t, err)
require.NotNil(t, tlsConf)
require.True(t, tlsConf.InsecureSkipVerify)
require.Equal(t, len(tlsConf.Certificates), 1)
}
func TestConfigurator_OutgoingTLS_TLSMinVersion(t *testing.T) {
tlsVersions := []string{"tls10", "tls11", "tls12"}
for _, version := range tlsVersions {
conf := &Config{
VerifyOutgoing: true,
CAFile: "../test/ca/root.cer",
TLSMinVersion: version,
}
c := NewConfigurator(conf)
tlsConf, err := c.OutgoingRPCConfig()
require.NoError(t, err)
require.NotNil(t, tlsConf)
require.Equal(t, tlsConf.MinVersion, TLSLookup[version])
}
}
func startTLSServer(config *Config) (net.Conn, chan error) {
errc := make(chan error, 1)
@ -427,7 +401,7 @@ func TestConfigurator_IncomingHTTPSConfig_CA_PATH(t *testing.T) {
c := NewConfigurator(conf)
tlsConf, err := c.IncomingHTTPSConfig()
require.NoError(t, err)
require.Equal(t, len(tlsConf.ClientCAs.Subjects()), 2)
require.Len(t, tlsConf.ClientCAs.Subjects(), 2)
}
func TestConfigurator_IncomingHTTPS(t *testing.T) {
@ -441,9 +415,9 @@ func TestConfigurator_IncomingHTTPS(t *testing.T) {
tlsConf, err := c.IncomingHTTPSConfig()
require.NoError(t, err)
require.NotNil(t, tlsConf)
require.Equal(t, len(tlsConf.ClientCAs.Subjects()), 1)
require.Len(t, tlsConf.ClientCAs.Subjects(), 1)
require.Equal(t, tlsConf.ClientAuth, tls.RequireAndVerifyClientCert)
require.Equal(t, len(tlsConf.Certificates), 1)
require.Len(t, tlsConf.Certificates, 1)
}
func TestConfigurator_IncomingHTTPS_MissingCA(t *testing.T) {
@ -473,9 +447,9 @@ func TestConfigurator_IncomingHTTPS_NoVerify(t *testing.T) {
tlsConf, err := c.IncomingHTTPSConfig()
require.NoError(t, err)
require.NotNil(t, tlsConf)
require.Equal(t, len(tlsConf.ClientCAs.Subjects()), 0)
require.Nil(t, tlsConf.ClientCAs)
require.Equal(t, tlsConf.ClientAuth, tls.NoClientCert)
require.Equal(t, len(tlsConf.Certificates), 0)
require.Empty(t, tlsConf.Certificates)
}
func TestConfigurator_IncomingHTTPS_TLSMinVersion(t *testing.T) {
@ -497,16 +471,241 @@ func TestConfigurator_IncomingHTTPS_TLSMinVersion(t *testing.T) {
}
func TestConfigurator_IncomingHTTPSCAPath_Valid(t *testing.T) {
conf := &Config{
CAPath: "../test/ca_path",
}
c := NewConfigurator(conf)
c := NewConfigurator(&Config{CAPath: "../test/ca_path"})
tlsConf, err := c.IncomingHTTPSConfig()
if err != nil {
t.Fatalf("err: %v", err)
require.NoError(t, err)
require.Len(t, tlsConf.ClientCAs.Subjects(), 2)
}
func TestConfigurator_CommonTLSConfigNoBaseConfig(t *testing.T) {
c := NewConfigurator(nil)
_, err := c.commonTLSConfig(false)
require.Error(t, err)
}
func TestConfigurator_CommonTLSConfigServerNameNodeName(t *testing.T) {
type variant struct {
config *Config
result string
}
if len(tlsConf.ClientCAs.Subjects()) != 2 {
t.Fatalf("expected certs")
variants := []variant{
{config: &Config{NodeName: "node", ServerName: "server"},
result: "server"},
{config: &Config{ServerName: "server"},
result: "server"},
{config: &Config{NodeName: "node"},
result: "node"},
}
for _, v := range variants {
c := NewConfigurator(v.config)
tlsConf, err := c.commonTLSConfig(false)
require.NoError(t, err)
require.Equal(t, v.result, tlsConf.ServerName)
}
}
func TestConfigurator_CommonTLSConfigCipherSuites(t *testing.T) {
c := NewConfigurator(&Config{})
tlsConfig, err := c.commonTLSConfig(false)
require.NoError(t, err)
require.Empty(t, tlsConfig.CipherSuites)
conf := &Config{CipherSuites: []uint16{tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305}}
c.Update(conf)
tlsConfig, err = c.commonTLSConfig(false)
require.NoError(t, err)
require.Equal(t, conf.CipherSuites, tlsConfig.CipherSuites)
}
func TestConfigurator_CommonTLSConfigCertKey(t *testing.T) {
c := NewConfigurator(&Config{})
tlsConf, err := c.commonTLSConfig(false)
require.NoError(t, err)
require.Empty(t, tlsConf.Certificates)
c.Update(&Config{CertFile: "/something/bogus", KeyFile: "/more/bogus"})
tlsConf, err = c.commonTLSConfig(false)
require.Error(t, err)
c.Update(&Config{CertFile: "../test/key/ourdomain.cer", KeyFile: "../test/key/ourdomain.key"})
tlsConf, err = c.commonTLSConfig(false)
require.NoError(t, err)
require.Len(t, tlsConf.Certificates, 1)
}
func TestConfigurator_CommonTLSConfigTLSMinVersion(t *testing.T) {
tlsVersions := []string{"tls10", "tls11", "tls12"}
for _, version := range tlsVersions {
c := NewConfigurator(&Config{TLSMinVersion: version})
tlsConf, err := c.commonTLSConfig(false)
require.NoError(t, err)
require.Equal(t, tlsConf.MinVersion, TLSLookup[version])
}
c := NewConfigurator(&Config{TLSMinVersion: "tlsBOGUS"})
_, err := c.commonTLSConfig(false)
require.Error(t, err)
}
func TestConfigurator_CommonTLSConfigValidateVerifyOutgoingCA(t *testing.T) {
c := NewConfigurator(&Config{VerifyOutgoing: true})
_, err := c.commonTLSConfig(false)
require.Error(t, err)
}
func TestConfigurator_CommonTLSConfigLoadCA(t *testing.T) {
c := NewConfigurator(&Config{})
tlsConf, err := c.commonTLSConfig(false)
require.NoError(t, err)
require.Nil(t, tlsConf.RootCAs)
require.Nil(t, tlsConf.ClientCAs)
c.Update(&Config{CAFile: "/something/bogus"})
_, err = c.commonTLSConfig(false)
require.Error(t, err)
c.Update(&Config{CAPath: "/something/bogus/"})
_, err = c.commonTLSConfig(false)
require.Error(t, err)
c.Update(&Config{CAFile: "../test/ca/root.cer"})
tlsConf, err = c.commonTLSConfig(false)
require.NoError(t, err)
require.Len(t, tlsConf.RootCAs.Subjects(), 1)
require.Len(t, tlsConf.ClientCAs.Subjects(), 1)
c.Update(&Config{CAPath: "../test/ca_path"})
tlsConf, err = c.commonTLSConfig(false)
require.NoError(t, err)
require.Len(t, tlsConf.RootCAs.Subjects(), 2)
require.Len(t, tlsConf.ClientCAs.Subjects(), 2)
c.Update(&Config{CAFile: "../test/ca/root.cer", CAPath: "../test/ca_path"})
tlsConf, err = c.commonTLSConfig(false)
require.NoError(t, err)
require.Len(t, tlsConf.RootCAs.Subjects(), 1)
require.Len(t, tlsConf.ClientCAs.Subjects(), 1)
}
func TestConfigurator_CommonTLSConfigVerifyIncoming(t *testing.T) {
c := NewConfigurator(&Config{})
tlsConf, err := c.commonTLSConfig(false)
require.NoError(t, err)
require.Equal(t, tls.NoClientCert, tlsConf.ClientAuth)
c.Update(&Config{VerifyIncoming: true})
tlsConf, err = c.commonTLSConfig(false)
require.Error(t, err)
c.Update(&Config{VerifyIncoming: true, CAFile: "../test/ca/root.cer"})
tlsConf, err = c.commonTLSConfig(false)
require.Error(t, err)
c.Update(&Config{VerifyIncoming: true, CAFile: "../test/ca/root.cer", CertFile: "../test/cert/ourdomain.cer"})
tlsConf, err = c.commonTLSConfig(false)
require.Error(t, err)
c.Update(&Config{VerifyIncoming: true, CAFile: "../test/ca/root.cer", CertFile: "../test/key/ourdomain.cer", KeyFile: "../test/key/ourdomain.key"})
tlsConf, err = c.commonTLSConfig(false)
require.NoError(t, err)
require.Equal(t, tls.RequireAndVerifyClientCert, tlsConf.ClientAuth)
c.Update(&Config{VerifyIncoming: false, CAFile: "../test/ca/root.cer", CertFile: "../test/key/ourdomain.cer", KeyFile: "../test/key/ourdomain.key"})
tlsConf, err = c.commonTLSConfig(true)
require.NoError(t, err)
require.Equal(t, tls.RequireAndVerifyClientCert, tlsConf.ClientAuth)
}
func TestConfigurator_IncomingRPCConfig(t *testing.T) {
c := NewConfigurator(&Config{})
tlsConf, err := c.IncomingRPCConfig()
require.NoError(t, err)
require.Equal(t, tls.NoClientCert, tlsConf.ClientAuth)
c.Update(&Config{VerifyIncoming: true, CAFile: "../test/ca/root.cer", CertFile: "../test/key/ourdomain.cer", KeyFile: "../test/key/ourdomain.key"})
tlsConf, err = c.IncomingRPCConfig()
require.NoError(t, err)
require.Equal(t, tls.RequireAndVerifyClientCert, tlsConf.ClientAuth)
c.Update(&Config{VerifyIncomingRPC: true, CAFile: "../test/ca/root.cer", CertFile: "../test/key/ourdomain.cer", KeyFile: "../test/key/ourdomain.key"})
tlsConf, err = c.IncomingRPCConfig()
require.NoError(t, err)
require.Equal(t, tls.RequireAndVerifyClientCert, tlsConf.ClientAuth)
c.Update(&Config{VerifyIncomingHTTPS: true, CAFile: "../test/ca/root.cer", CertFile: "../test/key/ourdomain.cer", KeyFile: "../test/key/ourdomain.key"})
tlsConf, err = c.IncomingRPCConfig()
require.NoError(t, err)
require.Equal(t, tls.NoClientCert, tlsConf.ClientAuth)
}
func TestConfigurator_IncomingHTTPSConfig(t *testing.T) {
c := NewConfigurator(&Config{})
tlsConf, err := c.IncomingHTTPSConfig()
require.NoError(t, err)
require.Equal(t, tls.NoClientCert, tlsConf.ClientAuth)
c.Update(&Config{VerifyIncoming: true, CAFile: "../test/ca/root.cer", CertFile: "../test/key/ourdomain.cer", KeyFile: "../test/key/ourdomain.key"})
tlsConf, err = c.IncomingHTTPSConfig()
require.NoError(t, err)
require.Equal(t, tls.RequireAndVerifyClientCert, tlsConf.ClientAuth)
c.Update(&Config{VerifyIncomingHTTPS: true, CAFile: "../test/ca/root.cer", CertFile: "../test/key/ourdomain.cer", KeyFile: "../test/key/ourdomain.key"})
tlsConf, err = c.IncomingHTTPSConfig()
require.NoError(t, err)
require.Equal(t, tls.RequireAndVerifyClientCert, tlsConf.ClientAuth)
c.Update(&Config{VerifyIncomingRPC: true, CAFile: "../test/ca/root.cer", CertFile: "../test/key/ourdomain.cer", KeyFile: "../test/key/ourdomain.key"})
tlsConf, err = c.IncomingHTTPSConfig()
require.NoError(t, err)
require.Equal(t, tls.NoClientCert, tlsConf.ClientAuth)
}
func TestConfigurator_OutgoingRPCConfig(t *testing.T) {
c := NewConfigurator(&Config{})
tlsConf, err := c.OutgoingRPCConfig()
require.NoError(t, err)
require.Nil(t, tlsConf)
c.Update(&Config{VerifyOutgoing: true})
tlsConf, err = c.OutgoingRPCConfig()
require.Error(t, err)
c.Update(&Config{VerifyOutgoing: true, CAFile: "../test/ca/root.cer"})
tlsConf, err = c.OutgoingRPCConfig()
require.NoError(t, err)
c.Update(&Config{VerifyOutgoing: true, CAPath: "../test/ca_path"})
tlsConf, err = c.OutgoingRPCConfig()
require.NoError(t, err)
}
func TestConfigurator_OutgoingTLSConfigForChecks(t *testing.T) {
c := NewConfigurator(&Config{})
tlsConf, err := c.OutgoingTLSConfigForCheck("")
require.NoError(t, err)
require.False(t, tlsConf.InsecureSkipVerify)
c.Update(&Config{EnableAgentTLSForChecks: true})
tlsConf, err = c.OutgoingTLSConfigForCheck("")
require.NoError(t, err)
require.False(t, tlsConf.InsecureSkipVerify)
c.AddCheck("c1", true)
c.Update(&Config{EnableAgentTLSForChecks: true})
tlsConf, err = c.OutgoingTLSConfigForCheck("c1")
require.NoError(t, err)
require.True(t, tlsConf.InsecureSkipVerify)
c.AddCheck("c1", false)
c.Update(&Config{EnableAgentTLSForChecks: true})
tlsConf, err = c.OutgoingTLSConfigForCheck("c1")
require.NoError(t, err)
require.False(t, tlsConf.InsecureSkipVerify)
c.AddCheck("c1", false)
c.Update(&Config{EnableAgentTLSForChecks: true})
tlsConf, err = c.OutgoingTLSConfigForCheck("c1")
require.NoError(t, err)
require.False(t, tlsConf.InsecureSkipVerify)
}