mirror of
https://github.com/octoleo/syncthing.git
synced 2024-11-09 23:00:58 +00:00
111 lines
2.7 KiB
Go
111 lines
2.7 KiB
Go
// Copyright (C) 2016 The Syncthing Authors.
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public
|
|
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
|
|
// You can obtain one at https://mozilla.org/MPL/2.0/.
|
|
|
|
// The existence of this file means we get 0% test coverage rather than no
|
|
// test coverage at all. Remove when implementing an actual test.
|
|
|
|
package tlsutil
|
|
|
|
import (
|
|
"bytes"
|
|
"io"
|
|
"net"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
func TestUnionedConnection(t *testing.T) {
|
|
cases := []struct {
|
|
data []byte
|
|
isTLS bool
|
|
}{
|
|
{[]byte{0}, false},
|
|
{[]byte{0x16}, true},
|
|
{[]byte{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0}, false},
|
|
{[]byte{0x16, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0}, true},
|
|
}
|
|
|
|
for i, tc := range cases {
|
|
fc := &fakeAccepter{tc.data}
|
|
dl := DowngradingListener{fc, nil}
|
|
|
|
conn, isTLS, err := dl.AcceptNoWrapTLS()
|
|
if err != nil {
|
|
t.Fatalf("%d: %v", i, err)
|
|
}
|
|
if conn == nil {
|
|
t.Fatalf("%d: unexpected nil conn", i)
|
|
}
|
|
if isTLS != tc.isTLS {
|
|
t.Errorf("%d: isTLS=%v, expected %v", i, isTLS, tc.isTLS)
|
|
}
|
|
|
|
// Read all the data, check it's the same
|
|
var bs []byte
|
|
buf := make([]byte, 128)
|
|
for {
|
|
n, err := conn.Read(buf)
|
|
if err == io.EOF {
|
|
break
|
|
}
|
|
if err != nil {
|
|
t.Fatalf("%d: read error: %v", i, err)
|
|
}
|
|
if len(bs) == 0 {
|
|
// first read; should return just one byte
|
|
if n != 1 {
|
|
t.Errorf("%d: first read returned %d bytes, not 1", i, n)
|
|
}
|
|
// Check that we've nilled out the "first" thing
|
|
if conn.(*UnionedConnection).first != nil {
|
|
t.Errorf("%d: expected first read to clear out the `first` attribute", i)
|
|
}
|
|
}
|
|
bs = append(bs, buf[:n]...)
|
|
}
|
|
if !bytes.Equal(bs, tc.data) {
|
|
t.Errorf("%d: got wrong data", i)
|
|
}
|
|
|
|
t.Logf("%d: %v, %x", i, isTLS, bs)
|
|
}
|
|
}
|
|
|
|
type fakeAccepter struct {
|
|
data []byte
|
|
}
|
|
|
|
func (f *fakeAccepter) Accept() (net.Conn, error) {
|
|
return &fakeConn{f.data}, nil
|
|
}
|
|
|
|
func (f *fakeAccepter) Addr() net.Addr { return nil }
|
|
func (f *fakeAccepter) Close() error { return nil }
|
|
|
|
type fakeConn struct {
|
|
data []byte
|
|
}
|
|
|
|
func (f *fakeConn) Read(b []byte) (int, error) {
|
|
if len(f.data) == 0 {
|
|
return 0, io.EOF
|
|
}
|
|
n := copy(b, f.data)
|
|
f.data = f.data[n:]
|
|
return n, nil
|
|
}
|
|
|
|
func (f *fakeConn) Write(b []byte) (int, error) {
|
|
return len(b), nil
|
|
}
|
|
|
|
func (f *fakeConn) Close() error { return nil }
|
|
func (f *fakeConn) LocalAddr() net.Addr { return nil }
|
|
func (f *fakeConn) RemoteAddr() net.Addr { return nil }
|
|
func (f *fakeConn) SetDeadline(time.Time) error { return nil }
|
|
func (f *fakeConn) SetReadDeadline(time.Time) error { return nil }
|
|
func (f *fakeConn) SetWriteDeadline(time.Time) error { return nil }
|