mirror of
https://codeberg.org/forgejo/forgejo.git
synced 2024-12-27 01:44:10 -05:00
109 lines
2.5 KiB
Go
Executable file
109 lines
2.5 KiB
Go
Executable file
// Copyright 2011 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package ssh
|
|
|
|
import (
|
|
"bytes"
|
|
"crypto/rand"
|
|
"encoding/binary"
|
|
"strings"
|
|
"testing"
|
|
)
|
|
|
|
func TestReadVersion(t *testing.T) {
|
|
longversion := strings.Repeat("SSH-2.0-bla", 50)[:253]
|
|
cases := map[string]string{
|
|
"SSH-2.0-bla\r\n": "SSH-2.0-bla",
|
|
"SSH-2.0-bla\n": "SSH-2.0-bla",
|
|
longversion + "\r\n": longversion,
|
|
}
|
|
|
|
for in, want := range cases {
|
|
result, err := readVersion(bytes.NewBufferString(in))
|
|
if err != nil {
|
|
t.Errorf("readVersion(%q): %s", in, err)
|
|
}
|
|
got := string(result)
|
|
if got != want {
|
|
t.Errorf("got %q, want %q", got, want)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestReadVersionError(t *testing.T) {
|
|
longversion := strings.Repeat("SSH-2.0-bla", 50)[:253]
|
|
cases := []string{
|
|
longversion + "too-long\r\n",
|
|
}
|
|
for _, in := range cases {
|
|
if _, err := readVersion(bytes.NewBufferString(in)); err == nil {
|
|
t.Errorf("readVersion(%q) should have failed", in)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestExchangeVersionsBasic(t *testing.T) {
|
|
v := "SSH-2.0-bla"
|
|
buf := bytes.NewBufferString(v + "\r\n")
|
|
them, err := exchangeVersions(buf, []byte("xyz"))
|
|
if err != nil {
|
|
t.Errorf("exchangeVersions: %v", err)
|
|
}
|
|
|
|
if want := "SSH-2.0-bla"; string(them) != want {
|
|
t.Errorf("got %q want %q for our version", them, want)
|
|
}
|
|
}
|
|
|
|
func TestExchangeVersions(t *testing.T) {
|
|
cases := []string{
|
|
"not\x000allowed",
|
|
"not allowed\n",
|
|
}
|
|
for _, c := range cases {
|
|
buf := bytes.NewBufferString("SSH-2.0-bla\r\n")
|
|
if _, err := exchangeVersions(buf, []byte(c)); err == nil {
|
|
t.Errorf("exchangeVersions(%q): should have failed", c)
|
|
}
|
|
}
|
|
}
|
|
|
|
type closerBuffer struct {
|
|
bytes.Buffer
|
|
}
|
|
|
|
func (b *closerBuffer) Close() error {
|
|
return nil
|
|
}
|
|
|
|
func TestTransportMaxPacketWrite(t *testing.T) {
|
|
buf := &closerBuffer{}
|
|
tr := newTransport(buf, rand.Reader, true)
|
|
huge := make([]byte, maxPacket+1)
|
|
err := tr.writePacket(huge)
|
|
if err == nil {
|
|
t.Errorf("transport accepted write for a huge packet.")
|
|
}
|
|
}
|
|
|
|
func TestTransportMaxPacketReader(t *testing.T) {
|
|
var header [5]byte
|
|
huge := make([]byte, maxPacket+128)
|
|
binary.BigEndian.PutUint32(header[0:], uint32(len(huge)))
|
|
// padding.
|
|
header[4] = 0
|
|
|
|
buf := &closerBuffer{}
|
|
buf.Write(header[:])
|
|
buf.Write(huge)
|
|
|
|
tr := newTransport(buf, rand.Reader, true)
|
|
_, err := tr.readPacket()
|
|
if err == nil {
|
|
t.Errorf("transport succeeded reading huge packet.")
|
|
} else if !strings.Contains(err.Error(), "large") {
|
|
t.Errorf("got %q, should mention %q", err.Error(), "large")
|
|
}
|
|
}
|