go.mod: Tidy modules

Signed-off-by: Evgenii Stratonikov <fyfyrchik@runbox.com>

cli/server/cli_server_mtls_test.go

@@ -0,0 +1,113 @@
+package server_test
+
+import (
+	"context"
+	"crypto/tls"
+	"path/filepath"
+	"testing"
+
+	"github.com/nspcc-dev/neo-go/internal/testcli"
+	"github.com/nspcc-dev/neo-go/pkg/config"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient"
+	"github.com/stretchr/testify/require"
+)
+
+const certDir = "../../mtlstestdata/certs"
+
+type tlsConfig struct {
+	ca   string
+	cert string
+	key  string
+}
+
+func TestServerMTLS(t *testing.T) {
+	t.Run("http", func(t *testing.T) {
+		testServerMTLS(t, testServerMTLSHttp)
+	})
+	t.Run("websocket", func(t *testing.T) {
+		testServerMTLS(t, testServerMTLSWebSocket)
+	})
+}
+
+func testServerMTLS(t *testing.T, test func(*testing.T, tlsConfig, tlsConfig) error) {
+	configs := map[string]map[string]tlsConfig{}
+	for _, ca := range []string{"CA1", "CA2"} {
+		configs[ca] = make(map[string]tlsConfig)
+		for _, peer := range []string{"1", "2"} {
+			configs[ca][peer] = tlsConfig{
+				ca:   filepath.Join(certDir, ca+"_cert.pem"),
+				cert: filepath.Join(certDir, "peer"+ca+"_"+peer+"_cert.pem"),
+				key:  filepath.Join(certDir, "peer"+ca+"_"+peer+"_key.pem"),
+			}
+		}
+	}
+
+	t.Run("good", func(t *testing.T) {
+		require.NoError(t, test(t, configs["CA1"]["1"], configs["CA1"]["2"]))
+	})
+	t.Run("wrong cert", func(t *testing.T) {
+		var verificationError *tls.CertificateVerificationError
+		err := test(t, configs["CA1"]["1"], configs["CA2"]["2"])
+		require.ErrorAs(t, err, &verificationError)
+	})
+}
+
+func testServerMTLSHttp(t *testing.T, server, client tlsConfig) error {
+	e := testcli.NewExecutorWithConfig(t, true, true, func(c *config.Config) {
+		rpc := &c.ApplicationConfiguration.RPC
+		rpc.Addresses = nil
+
+		cc := &rpc.TLSConfig
+		cc.Addresses = []string{"127.0.0.1:0"}
+		cc.Enabled = true
+		cc.RootCA = []string{server.ca}
+		cc.CertFile = server.cert
+		cc.KeyFile = server.key
+	})
+
+	cfg, err := rpcclient.TLSClientConfig([]string{client.ca}, client.cert, client.key)
+	require.NoError(t, err)
+
+	endpoint := "https://" + e.RPC.Addresses()[0]
+	c, err := rpcclient.New(context.Background(), endpoint, rpcclient.Options{
+		TLSClientConfig: cfg,
+	})
+	require.NoError(t, err)
+
+	defer c.Close()
+
+	return c.Init()
+}
+
+func testServerMTLSWebSocket(t *testing.T, server, client tlsConfig) error {
+	e := testcli.NewExecutorWithConfig(t, true, true, func(c *config.Config) {
+		rpc := &c.ApplicationConfiguration.RPC
+		rpc.Addresses = nil
+
+		cc := &rpc.TLSConfig
+		cc.Addresses = []string{"127.0.0.1:0"}
+		cc.Enabled = true
+		cc.RootCA = []string{server.ca}
+		cc.CertFile = server.cert
+		cc.KeyFile = server.key
+	})
+
+	cfg, err := rpcclient.TLSClientConfig([]string{client.ca}, client.cert, client.key)
+	require.NoError(t, err)
+
+	endpoint := "wss://" + e.RPC.Addresses()[0] + "/ws"
+	c, err := rpcclient.NewWS(context.Background(), endpoint, rpcclient.WSOptions{
+		Options: rpcclient.Options{
+			TLSClientConfig: cfg,
+		},
+	})
+	if err != nil {
+		// For the websocket client, NewWS() creates a connection,
+		// so TLS handshake error will be returned from there.
+		return err
+	}
+
+	defer c.Close()
+
+	return c.Init()
+}

go.mod

@@ -17,7 +17,6 @@ require (
 	github.com/nspcc-dev/dbft v0.2.0
 	github.com/nspcc-dev/go-ordered-json v0.0.0-20240301084351-0246b013f8b2
 	github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20240521091047-78685785716d
-	github.com/nspcc-dev/neofs-contract v0.19.1
 	github.com/nspcc-dev/neofs-sdk-go v1.0.0-rc.11
 	github.com/nspcc-dev/rfc6979 v0.2.1
 	github.com/pierrec/lz4 v2.6.1+incompatible

go.sum

@@ -98,8 +98,6 @@ github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20240521091047-78685785716d h1:Vc
 github.com/nspcc-dev/neo-go/pkg/interop v0.0.0-20240521091047-78685785716d/go.mod h1:/vrbWSHc7YS1KSYhVOyyeucXW/e+1DkVBOgnBEXUCeY=
 github.com/nspcc-dev/neofs-api-go/v2 v2.14.0 h1:jhuN8Ldqz7WApvUJRFY0bjRXE1R3iCkboMX5QVZhHVk=
 github.com/nspcc-dev/neofs-api-go/v2 v2.14.0/go.mod h1:DRIr0Ic1s+6QgdqmNFNLIqMqd7lNMJfYwkczlm1hDtM=
-github.com/nspcc-dev/neofs-contract v0.19.1 h1:U1Uh+MlzfkalO0kRJ2pADZyHrmAOroC6KLFjdWnTNR0=
-github.com/nspcc-dev/neofs-contract v0.19.1/go.mod h1:ZOGouuwuHpgvYkx/LCGufGncIzEUhYEO18LL4cWEbyw=
 github.com/nspcc-dev/neofs-crypto v0.4.0 h1:5LlrUAM5O0k1+sH/sktBtrgfWtq1pgpDs09fZo+KYi4=
 github.com/nspcc-dev/neofs-crypto v0.4.0/go.mod h1:6XJ8kbXgOfevbI2WMruOtI+qUJXNwSGM/E9eClXxPHs=
 github.com/nspcc-dev/neofs-sdk-go v1.0.0-rc.11 h1:QOc8ZRN5DXlAeRPh5QG9u8rMLgoeRNiZF5/vL7QupWg=

mtlstestdata/certs/CA.cnf

@@ -0,0 +1,12 @@
+[ req ]
+prompt = no
+distinguished_name = req_distinguished_name
+
+[ req_distinguished_name ]
+C = US
+ST = Localzone
+L = localhost
+O = Neo Go Testing Certificate Authority
+OU = Develop
+CN = localdomain
+emailAddress = root@localhost.localdomain

mtlstestdata/certs/CA1_cert.pem

@@ -0,0 +1,25 @@
+-----BEGIN CERTIFICATE-----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+8RoX59GSXqPu2dpCvCOuC6ftAaVx2v8CAwEAAaMvMC0wDAYDVR0TBAUwAwEB/zAd
+BgNVHQ4EFgQUSSahwFPWaizsjFDXu32S9cqiNcUwDQYJKoZIhvcNAQELBQADggEB
+AHdfddsxnlXZARhZc+CkLccH/E8ej0b6f5+FWB0O1c0/UG/AvUuTFrDXE7NaFwQU
+EfJdtPWCU8dBcNm/eKX69+X31uZcSULe8uN1woq66ij3SskjWUDa6/22tALtipt9
+6H1vIfFuzpQdFfJcXarqZCacZET/XCqit8wj3DTbks/xe+aWPVdo+ukwxQEYWeXB
+oyzAqw8cU7uxgd6NXbEBMwl38zHSapfV374BHdj2tngni4VDSdeQOijFHbpwACId
+x6eDwtuPvQohSKPCQkiKXGJEfJGaWybaBkc7a/t+peSqCvXUfioBygaEkarg0Z4x
+nOoyvxfot4xaaDIWOP6fIaY=
+-----END CERTIFICATE-----

mtlstestdata/certs/CA1_cert.srl

@@ -0,0 +1 @@
+62D019D50D8A9FD6A74B14E2FC735F89B0530C49

mtlstestdata/certs/CA1_key.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
+MIIEvQIBADANBgkqhkiG9w0BAQEFAASCBKcwggSjAgEAAoIBAQCU58KxCAdq4B6E
+XIHYxnJtvIjcj1WsVhcZVIjAjWY7I/xsyH0eaFFjP0Grt+ZgeYeGxX0jEt1xhGdn
+pYtaiASBoZSJYiiuLdUwzypD6aXK86d2yisChh4csLCHlHRvuteuZXnd3IogoiSN
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+pgJZbRL0n9Tta62MU2F6kenN4km1CMnJu/Y7e5/HCP9zJBbO1oZk9ddmXRPHiOTa
+OeITFnmhF3kJmeFgai0kFOhbEH2++/geH9GzLThn8vEaF+fRkl6j7tnaQrwjrgun
+7QGlcdr/AgMBAAECggEALmBmc1OwV7mY15mmOVlJT2M+bw9XXBbuF84Lz4jak8XX
++xuQWHWeD56mefCLWHXRX4jHujJIdPALcq0NE3O0j5k/FXDUgbc1pH+JRuCQ6f5s
+JGO/9IfH/iCLwpZak2fqf98MDyz+ej51ytLlTbWQbqbWlgURXt1kFgjzHuWcV3BN
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+hYKMjgeX2riAFPhe3/ALAp8sqF3Kwaog2dW853Q51iA2mmwOb7bNRTtaSnVmU1EU
+My7NAP440pB5lg6W+Dyq6PlAZ8HFXUc0E08VxjstvQKBgQDPoKvjWlbF9bEX5L5x
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+lsNDzMUBgfj42N7AyKUq0Eb77RnKzazwhHalgOj41crvE9FyJUE9YlnA5mPbzCI+
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+pdO1atoMHZsNsfFCtl+6hYT0u0DzhQfJqCSwGJR8sRvV7BnBsVNYCGuKduAX52kZ
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+UpvF9q0hQZR0EVFc62AE9aw=
+-----END PRIVATE KEY-----

mtlstestdata/certs/CA2_cert.pem

@@ -0,0 +1,25 @@
+-----BEGIN CERTIFICATE-----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+BgNVHQ4EFgQUv6yYE+TmGTL9qvoh+HwcBEJClF4wDQYJKoZIhvcNAQELBQADggEB
+ABmqYkUsZhNZUxraquK8yj13Ci3ctyXV27i8TemDAbahWBghhmYB2T9DT0gS4g96
+j3Vxw7SY2RaEWXn0aYfMJ6h9aj9W7W1gqvFipi9kQgCxDc8llhmZ6VaQjt1Pzv2D
+EwaetJJ9CwGK3RQ0A147bkIb36WEGysKvj/dybKbA5kKll0tBDMWPn8gkT9JCjnH
+bmJB/VbtE+h1zQBtDbw2JRhCavFz9oD1vZzDWMFNDFSki8RzPA2BEXjPNdHibyE1
+Ge+zFopkl2M9stPs0ov1Ik97GotqjwEwJ2gx1dDalOeX5Jh44DmM3j7TOJrmZLW4
+IAUpjyb1xYYir/xJmw0ZvRg=
+-----END CERTIFICATE-----

mtlstestdata/certs/CA2_cert.srl

@@ -0,0 +1 @@
+582A3A273BD489F09B8FC30052945CF2C3BEDD3F

mtlstestdata/certs/CA2_key.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
+MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQCk/sC8+20YRZAU
+BpfSXwe+3bQ6NdJbndQpyQDgKfGM0seni2WKg/Nsqx1rghHl7A17VR4p1oICimEr
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+/uae1da99ygJ3079qwUZZqS16WNIHr+micGtE0X5hc9xFaLFfvuhMXtHWOVtKLRb
+K0iKynoYLwt3LpMf4iGU320H
+-----END PRIVATE KEY-----

mtlstestdata/certs/generate

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+outdir="${1:-./out}"
+
+genca() {
+    local name="$1"
+
+    echo "Generating $name ..."
+    openssl req -nodes -new -x509 \
+        -keyout "${name}_key.pem" \
+        -out "${name}_cert.pem" \
+        -addext basicConstraints=CA:TRUE \
+        -days 1825 -config CA.cnf
+}
+
+gencert() {
+    local ca="$1"
+    local i="$2"
+
+    openssl req -sha256 -nodes -newkey rsa:2048 \
+        -keyout "peer${ca}_${i}_key.pem" \
+        -out "peer${i}.csr" -config "peer${i}.cnf"
+    openssl x509 -req -days 398 -in "peer${i}.csr" \
+        -CA "${ca}_cert.pem" \
+        -CAkey "${ca}_key.pem" \
+        -CAcreateserial -out "peer${ca}_${i}_cert.pem" \
+        -extensions req_ext \
+        -extfile "peer${i}.cnf"
+    rm "peer${i}.csr"
+}
+
+genca CA1
+genca CA2
+gencert CA1 1
+gencert CA1 2
+gencert CA2 1
+gencert CA2 2

mtlstestdata/certs/peer1.cnf

@@ -0,0 +1,24 @@
+[req]
+default_bits  = 2048
+distinguished_name = req_distinguished_name
+req_extensions = req_ext
+x509_extensions = v3_req
+prompt = no
+
+[req_distinguished_name]
+countryName = US
+stateOrProvinceName = Localzone
+localityName = Localhost
+organizationName = Certificate signed by my CA
+commonName = peer1.localdomain
+
+[req_ext]
+subjectAltName = @alt_names
+
+[v3_req]
+subjectAltName = @alt_names
+
+[alt_names]
+DNS.1 = node_one
+IP.1 = 127.0.0.1
+IP.2 = 172.200.0.1

mtlstestdata/certs/peer2.cnf

@@ -0,0 +1,24 @@
+[req]
+default_bits  = 2048
+distinguished_name = req_distinguished_name
+req_extensions = req_ext
+x509_extensions = v3_req
+prompt = no
+
+[req_distinguished_name]
+countryName = US
+stateOrProvinceName = Localzone
+localityName = Localhost
+organizationName = Certificate signed by my CA
+commonName = peer2.localdomain
+
+[req_ext]
+subjectAltName = @alt_names
+
+[v3_req]
+subjectAltName = @alt_names
+
+[alt_names]
+DNS.1 = node_two
+IP.1 = 127.0.0.1
+IP.2 = 172.200.0.2

mtlstestdata/certs/peerCA1_1_cert.pem

@@ -0,0 +1,25 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----

mtlstestdata/certs/peerCA1_1_key.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
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+-----END PRIVATE KEY-----

mtlstestdata/certs/peerCA1_2_cert.pem

@@ -0,0 +1,25 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----

mtlstestdata/certs/peerCA1_2_key.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
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+-----END PRIVATE KEY-----

mtlstestdata/certs/peerCA2_1_cert.pem

@@ -0,0 +1,25 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----

mtlstestdata/certs/peerCA2_1_key.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
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+Q+E4nCA1hmD7cVNs3lR4hnc=
+-----END PRIVATE KEY-----

mtlstestdata/certs/peerCA2_2_cert.pem

@@ -0,0 +1,25 @@
+-----BEGIN CERTIFICATE-----
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+TfqDwhjMmNB2X/yNP/tV2ith8JWccCsRExAAOTXdNITNpVcxAglThPmJwOa37Tie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+-----END CERTIFICATE-----

mtlstestdata/certs/peerCA2_2_key.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----

pkg/config/rpc_config.go

@@ -29,8 +29,10 @@ type (
 
 	// TLS describes SSL/TLS configuration.
 	TLS struct {
-		BasicService `yaml:",inline"`
-		CertFile     string `yaml:"CertFile"`
-		KeyFile      string `yaml:"KeyFile"`
+		BasicService       `yaml:",inline"`
+		RootCA             []string `yaml:"RootCAs"`
+		InsecureSkipVerify bool     `yaml:"InsecureSkipVerify"`
+		CertFile           string   `yaml:"CertFile"`
+		KeyFile            string   `yaml:"KeyFile"`
 	}
 )

pkg/rpcclient/client.go

@@ -3,6 +3,7 @@ package rpcclient
 import (
 	"bytes"
 	"context"
+	"crypto/tls"
 	"encoding/json"
 	"errors"
 	"fmt"
@@ -68,6 +69,7 @@ type Options struct {
 	RequestTimeout time.Duration
 	// Limit total number of connections per host. No limit by default.
 	MaxConnsPerHost int
+	TLSClientConfig *tls.Config
 }
 
 // cache stores cache values for the RPC client methods.
@@ -104,14 +106,17 @@ func initClient(ctx context.Context, cl *Client, endpoint string, opts Options)
 		opts.RequestTimeout = defaultRequestTimeout
 	}
 
+	tr := &http.Transport{
+		DialContext: (&net.Dialer{
+			Timeout: opts.DialTimeout,
+		}).DialContext,
+		MaxConnsPerHost: opts.MaxConnsPerHost,
+		TLSClientConfig: opts.TLSClientConfig,
+	}
+
 	httpClient := &http.Client{
-		Transport: &http.Transport{
-			DialContext: (&net.Dialer{
-				Timeout: opts.DialTimeout,
-			}).DialContext,
-			MaxConnsPerHost: opts.MaxConnsPerHost,
-		},
-		Timeout: opts.RequestTimeout,
+		Transport: tr,
+		Timeout:   opts.RequestTimeout,
 	}
 
 	// TODO(@antdm): Enable SSL.

pkg/rpcclient/mtls_hook.go

@@ -0,0 +1,47 @@
+package rpcclient
+
+import (
+	"crypto/tls"
+	"crypto/x509"
+	"fmt"
+	"net/http"
+	"os"
+)
+
+// TransportHook ...
+type TransportHook = func(*http.Transport)
+
+func TLSClientConfig(rootCAs []string, certFile, keyFile string) (*tls.Config, error) {
+	certificate, err := tls.LoadX509KeyPair(certFile, keyFile)
+	if err != nil {
+		return nil, fmt.Errorf("read client certificate: %w", err)
+	}
+
+	caCertPool := x509.NewCertPool()
+	for _, name := range rootCAs {
+		caCertFile, err := os.ReadFile(name)
+		if err != nil {
+			return nil, fmt.Errorf("read CA certificate: %w", err)
+		}
+
+		caCertPool.AppendCertsFromPEM(caCertFile)
+	}
+
+	return &tls.Config{
+		RootCAs:            caCertPool,
+		Certificates:       []tls.Certificate{certificate},
+		InsecureSkipVerify: len(rootCAs) == 0,
+	}, nil
+}
+
+// MTLSTransportHook enables client certificate advertising as well as retricting the set of rootCA we accept.
+func MTLSTransportHook(rootCAs []string, certFile, keyFile string) (func(*http.Transport), error) {
+	cfg, err := TLSClientConfig(rootCAs, certFile, keyFile)
+	if err != nil {
+		return nil, err
+	}
+
+	return func(tr *http.Transport) {
+		tr.TLSClientConfig = cfg
+	}, nil
+}

pkg/rpcclient/wsclient.go

@@ -453,7 +453,7 @@ var errConnClosedByUser = errors.New("connection closed by user")
 // You should call Init method to initialize the network magic the client is
 // operating on.
 func NewWS(ctx context.Context, endpoint string, opts WSOptions) (*WSClient, error) {
-	dialer := websocket.Dialer{HandshakeTimeout: opts.DialTimeout}
+	dialer := websocket.Dialer{HandshakeTimeout: opts.DialTimeout, TLSClientConfig: opts.TLSClientConfig}
 	ws, resp, err := dialer.DialContext(ctx, endpoint, nil)
 	if resp != nil && resp.Body != nil { // Can be non-nil even with error returned.
 		defer resp.Body.Close() // Not exactly required by websocket, but let's do this for bodyclose checker.

pkg/services/rpcsrv/server.go

@@ -4,6 +4,8 @@ import (
 	"bytes"
 	"context"
 	"crypto/elliptic"
+	"crypto/tls"
+	"crypto/x509"
 	"encoding/binary"
 	"encoding/hex"
 	"encoding/json"
@@ -13,6 +15,7 @@ import (
 	"math/big"
 	"net"
 	"net/http"
+	"os"
 	"strconv"
 	"strings"
 	"sync"
@@ -409,7 +412,27 @@ func (s *Server) Start() {
 	}
 
 	if cfg := s.config.TLSConfig; cfg.Enabled {
+		caCertPool := x509.NewCertPool()
+		for _, f := range cfg.RootCA {
+			data, err := os.ReadFile(f)
+			if err != nil {
+				s.errChan <- err
+				return
+			}
+
+			caCertPool.AppendCertsFromPEM(data)
+		}
+
 		for _, srv := range s.https {
+			if len(cfg.RootCA) == 0 {
+				s.log.Warn("client CAs are not provided, mTLS is disabled")
+				cfg.InsecureSkipVerify = true
+			}
+			srv.TLSConfig = &tls.Config{
+				ClientCAs:          caCertPool,
+				ClientAuth:         tls.RequireAndVerifyClientCert,
+				InsecureSkipVerify: cfg.InsecureSkipVerify,
+			}
 			srv.Handler = http.HandlerFunc(s.handleHTTPRequest)
 			s.log.Info("starting rpc-server (https)", zap.String("endpoint", srv.Addr))
 
@@ -3144,9 +3167,12 @@ func escapeForLog(in string) string {
 // Addresses returns the list of addresses RPC server is listening to in the form of
 // address:port.
 func (s *Server) Addresses() []string {
-	res := make([]string, len(s.http))
-	for i, srv := range s.http {
-		res[i] = srv.Addr
+	res := make([]string, 0, len(s.http))
+	for _, srv := range s.http {
+		res = append(res, srv.Addr)
+	}
+	for _, srv := range s.https {
+		res = append(res, srv.Addr)
 	}
 	return res
 }