clair/vendor/google.golang.org/grpc/credentials/credentials_test.go
2017-06-13 15:58:11 -04:00

223 lines
6.9 KiB
Go

/*
*
* Copyright 2016, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
package credentials
import (
"crypto/tls"
"net"
"testing"
"golang.org/x/net/context"
)
func TestTLSOverrideServerName(t *testing.T) {
expectedServerName := "server.name"
c := NewTLS(nil)
c.OverrideServerName(expectedServerName)
if c.Info().ServerName != expectedServerName {
t.Fatalf("c.Info().ServerName = %v, want %v", c.Info().ServerName, expectedServerName)
}
}
func TestTLSClone(t *testing.T) {
expectedServerName := "server.name"
c := NewTLS(nil)
c.OverrideServerName(expectedServerName)
cc := c.Clone()
if cc.Info().ServerName != expectedServerName {
t.Fatalf("cc.Info().ServerName = %v, want %v", cc.Info().ServerName, expectedServerName)
}
cc.OverrideServerName("")
if c.Info().ServerName != expectedServerName {
t.Fatalf("Change in clone should not affect the original, c.Info().ServerName = %v, want %v", c.Info().ServerName, expectedServerName)
}
}
const tlsDir = "../test/testdata/"
type serverHandshake func(net.Conn) (AuthInfo, error)
func TestClientHandshakeReturnsAuthInfo(t *testing.T) {
done := make(chan AuthInfo, 1)
lis := launchServer(t, tlsServerHandshake, done)
defer lis.Close()
lisAddr := lis.Addr().String()
clientAuthInfo := clientHandle(t, gRPCClientHandshake, lisAddr)
// wait until server sends serverAuthInfo or fails.
serverAuthInfo, ok := <-done
if !ok {
t.Fatalf("Error at server-side")
}
if !compare(clientAuthInfo, serverAuthInfo) {
t.Fatalf("c.ClientHandshake(_, %v, _) = %v, want %v.", lisAddr, clientAuthInfo, serverAuthInfo)
}
}
func TestServerHandshakeReturnsAuthInfo(t *testing.T) {
done := make(chan AuthInfo, 1)
lis := launchServer(t, gRPCServerHandshake, done)
defer lis.Close()
clientAuthInfo := clientHandle(t, tlsClientHandshake, lis.Addr().String())
// wait until server sends serverAuthInfo or fails.
serverAuthInfo, ok := <-done
if !ok {
t.Fatalf("Error at server-side")
}
if !compare(clientAuthInfo, serverAuthInfo) {
t.Fatalf("ServerHandshake(_) = %v, want %v.", serverAuthInfo, clientAuthInfo)
}
}
func TestServerAndClientHandshake(t *testing.T) {
done := make(chan AuthInfo, 1)
lis := launchServer(t, gRPCServerHandshake, done)
defer lis.Close()
clientAuthInfo := clientHandle(t, gRPCClientHandshake, lis.Addr().String())
// wait until server sends serverAuthInfo or fails.
serverAuthInfo, ok := <-done
if !ok {
t.Fatalf("Error at server-side")
}
if !compare(clientAuthInfo, serverAuthInfo) {
t.Fatalf("AuthInfo returned by server: %v and client: %v aren't same", serverAuthInfo, clientAuthInfo)
}
}
func compare(a1, a2 AuthInfo) bool {
if a1.AuthType() != a2.AuthType() {
return false
}
switch a1.AuthType() {
case "tls":
state1 := a1.(TLSInfo).State
state2 := a2.(TLSInfo).State
if state1.Version == state2.Version &&
state1.HandshakeComplete == state2.HandshakeComplete &&
state1.CipherSuite == state2.CipherSuite &&
state1.NegotiatedProtocol == state2.NegotiatedProtocol {
return true
}
return false
default:
return false
}
}
func launchServer(t *testing.T, hs serverHandshake, done chan AuthInfo) net.Listener {
lis, err := net.Listen("tcp", "localhost:0")
if err != nil {
t.Fatalf("Failed to listen: %v", err)
}
go serverHandle(t, hs, done, lis)
return lis
}
// Is run in a seperate goroutine.
func serverHandle(t *testing.T, hs serverHandshake, done chan AuthInfo, lis net.Listener) {
serverRawConn, err := lis.Accept()
if err != nil {
t.Errorf("Server failed to accept connection: %v", err)
close(done)
return
}
serverAuthInfo, err := hs(serverRawConn)
if err != nil {
t.Errorf("Server failed while handshake. Error: %v", err)
serverRawConn.Close()
close(done)
return
}
done <- serverAuthInfo
}
func clientHandle(t *testing.T, hs func(net.Conn, string) (AuthInfo, error), lisAddr string) AuthInfo {
conn, err := net.Dial("tcp", lisAddr)
if err != nil {
t.Fatalf("Client failed to connect to %s. Error: %v", lisAddr, err)
}
defer conn.Close()
clientAuthInfo, err := hs(conn, lisAddr)
if err != nil {
t.Fatalf("Error on client while handshake. Error: %v", err)
}
return clientAuthInfo
}
// Server handshake implementation in gRPC.
func gRPCServerHandshake(conn net.Conn) (AuthInfo, error) {
serverTLS, err := NewServerTLSFromFile(tlsDir+"server1.pem", tlsDir+"server1.key")
if err != nil {
return nil, err
}
_, serverAuthInfo, err := serverTLS.ServerHandshake(conn)
if err != nil {
return nil, err
}
return serverAuthInfo, nil
}
// Client handshake implementation in gRPC.
func gRPCClientHandshake(conn net.Conn, lisAddr string) (AuthInfo, error) {
clientTLS := NewTLS(&tls.Config{InsecureSkipVerify: true})
_, authInfo, err := clientTLS.ClientHandshake(context.Background(), lisAddr, conn)
if err != nil {
return nil, err
}
return authInfo, nil
}
func tlsServerHandshake(conn net.Conn) (AuthInfo, error) {
cert, err := tls.LoadX509KeyPair(tlsDir+"server1.pem", tlsDir+"server1.key")
if err != nil {
return nil, err
}
serverTLSConfig := &tls.Config{Certificates: []tls.Certificate{cert}}
serverConn := tls.Server(conn, serverTLSConfig)
err = serverConn.Handshake()
if err != nil {
return nil, err
}
return TLSInfo{State: serverConn.ConnectionState()}, nil
}
func tlsClientHandshake(conn net.Conn, _ string) (AuthInfo, error) {
clientTLSConfig := &tls.Config{InsecureSkipVerify: true}
clientConn := tls.Client(conn, clientTLSConfig)
if err := clientConn.Handshake(); err != nil {
return nil, err
}
return TLSInfo{State: clientConn.ConnectionState()}, nil
}