mirror of
https://github.com/go-gitea/gitea.git
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341 lines
7.5 KiB
Go
Executable File
341 lines
7.5 KiB
Go
Executable File
// Copyright 2012 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build !windows
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package test
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// Session functional tests.
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import (
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"bytes"
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"errors"
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"io"
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"strings"
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"testing"
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"golang.org/x/crypto/ssh"
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)
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func TestRunCommandSuccess(t *testing.T) {
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server := newServer(t)
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defer server.Shutdown()
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conn := server.Dial(clientConfig())
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defer conn.Close()
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session, err := conn.NewSession()
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if err != nil {
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t.Fatalf("session failed: %v", err)
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}
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defer session.Close()
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err = session.Run("true")
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if err != nil {
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t.Fatalf("session failed: %v", err)
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}
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}
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func TestHostKeyCheck(t *testing.T) {
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server := newServer(t)
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defer server.Shutdown()
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conf := clientConfig()
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hostDB := hostKeyDB()
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conf.HostKeyCallback = hostDB.Check
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// change the keys.
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hostDB.keys[ssh.KeyAlgoRSA][25]++
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hostDB.keys[ssh.KeyAlgoDSA][25]++
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hostDB.keys[ssh.KeyAlgoECDSA256][25]++
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conn, err := server.TryDial(conf)
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if err == nil {
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conn.Close()
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t.Fatalf("dial should have failed.")
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} else if !strings.Contains(err.Error(), "host key mismatch") {
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t.Fatalf("'host key mismatch' not found in %v", err)
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}
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}
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func TestRunCommandStdin(t *testing.T) {
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server := newServer(t)
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defer server.Shutdown()
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conn := server.Dial(clientConfig())
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defer conn.Close()
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session, err := conn.NewSession()
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if err != nil {
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t.Fatalf("session failed: %v", err)
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}
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defer session.Close()
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r, w := io.Pipe()
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defer r.Close()
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defer w.Close()
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session.Stdin = r
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err = session.Run("true")
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if err != nil {
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t.Fatalf("session failed: %v", err)
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}
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}
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func TestRunCommandStdinError(t *testing.T) {
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server := newServer(t)
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defer server.Shutdown()
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conn := server.Dial(clientConfig())
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defer conn.Close()
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session, err := conn.NewSession()
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if err != nil {
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t.Fatalf("session failed: %v", err)
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}
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defer session.Close()
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r, w := io.Pipe()
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defer r.Close()
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session.Stdin = r
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pipeErr := errors.New("closing write end of pipe")
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w.CloseWithError(pipeErr)
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err = session.Run("true")
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if err != pipeErr {
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t.Fatalf("expected %v, found %v", pipeErr, err)
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}
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}
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func TestRunCommandFailed(t *testing.T) {
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server := newServer(t)
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defer server.Shutdown()
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conn := server.Dial(clientConfig())
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defer conn.Close()
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session, err := conn.NewSession()
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if err != nil {
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t.Fatalf("session failed: %v", err)
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}
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defer session.Close()
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err = session.Run(`bash -c "kill -9 $$"`)
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if err == nil {
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t.Fatalf("session succeeded: %v", err)
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}
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}
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func TestRunCommandWeClosed(t *testing.T) {
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server := newServer(t)
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defer server.Shutdown()
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conn := server.Dial(clientConfig())
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defer conn.Close()
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session, err := conn.NewSession()
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if err != nil {
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t.Fatalf("session failed: %v", err)
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}
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err = session.Shell()
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if err != nil {
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t.Fatalf("shell failed: %v", err)
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}
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err = session.Close()
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if err != nil {
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t.Fatalf("shell failed: %v", err)
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}
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}
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func TestFuncLargeRead(t *testing.T) {
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server := newServer(t)
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defer server.Shutdown()
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conn := server.Dial(clientConfig())
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defer conn.Close()
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session, err := conn.NewSession()
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if err != nil {
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t.Fatalf("unable to create new session: %s", err)
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}
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stdout, err := session.StdoutPipe()
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if err != nil {
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t.Fatalf("unable to acquire stdout pipe: %s", err)
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}
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err = session.Start("dd if=/dev/urandom bs=2048 count=1024")
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if err != nil {
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t.Fatalf("unable to execute remote command: %s", err)
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}
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buf := new(bytes.Buffer)
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n, err := io.Copy(buf, stdout)
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if err != nil {
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t.Fatalf("error reading from remote stdout: %s", err)
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}
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if n != 2048*1024 {
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t.Fatalf("Expected %d bytes but read only %d from remote command", 2048, n)
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}
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}
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func TestKeyChange(t *testing.T) {
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server := newServer(t)
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defer server.Shutdown()
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conf := clientConfig()
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hostDB := hostKeyDB()
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conf.HostKeyCallback = hostDB.Check
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conf.RekeyThreshold = 1024
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conn := server.Dial(conf)
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defer conn.Close()
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for i := 0; i < 4; i++ {
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session, err := conn.NewSession()
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if err != nil {
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t.Fatalf("unable to create new session: %s", err)
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}
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stdout, err := session.StdoutPipe()
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if err != nil {
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t.Fatalf("unable to acquire stdout pipe: %s", err)
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}
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err = session.Start("dd if=/dev/urandom bs=1024 count=1")
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if err != nil {
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t.Fatalf("unable to execute remote command: %s", err)
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}
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buf := new(bytes.Buffer)
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n, err := io.Copy(buf, stdout)
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if err != nil {
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t.Fatalf("error reading from remote stdout: %s", err)
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}
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want := int64(1024)
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if n != want {
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t.Fatalf("Expected %d bytes but read only %d from remote command", want, n)
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}
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}
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if changes := hostDB.checkCount; changes < 4 {
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t.Errorf("got %d key changes, want 4", changes)
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}
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}
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func TestInvalidTerminalMode(t *testing.T) {
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server := newServer(t)
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defer server.Shutdown()
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conn := server.Dial(clientConfig())
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defer conn.Close()
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session, err := conn.NewSession()
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if err != nil {
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t.Fatalf("session failed: %v", err)
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}
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defer session.Close()
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if err = session.RequestPty("vt100", 80, 40, ssh.TerminalModes{255: 1984}); err == nil {
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t.Fatalf("req-pty failed: successful request with invalid mode")
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}
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}
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func TestValidTerminalMode(t *testing.T) {
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server := newServer(t)
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defer server.Shutdown()
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conn := server.Dial(clientConfig())
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defer conn.Close()
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session, err := conn.NewSession()
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if err != nil {
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t.Fatalf("session failed: %v", err)
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}
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defer session.Close()
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stdout, err := session.StdoutPipe()
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if err != nil {
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t.Fatalf("unable to acquire stdout pipe: %s", err)
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}
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stdin, err := session.StdinPipe()
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if err != nil {
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t.Fatalf("unable to acquire stdin pipe: %s", err)
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}
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tm := ssh.TerminalModes{ssh.ECHO: 0}
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if err = session.RequestPty("xterm", 80, 40, tm); err != nil {
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t.Fatalf("req-pty failed: %s", err)
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}
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err = session.Shell()
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if err != nil {
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t.Fatalf("session failed: %s", err)
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}
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stdin.Write([]byte("stty -a && exit\n"))
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var buf bytes.Buffer
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if _, err := io.Copy(&buf, stdout); err != nil {
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t.Fatalf("reading failed: %s", err)
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}
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if sttyOutput := buf.String(); !strings.Contains(sttyOutput, "-echo ") {
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t.Fatalf("terminal mode failure: expected -echo in stty output, got %s", sttyOutput)
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}
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}
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func TestCiphers(t *testing.T) {
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var config ssh.Config
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config.SetDefaults()
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cipherOrder := config.Ciphers
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// This cipher will not be tested when commented out in cipher.go it will
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// fallback to the next available as per line 292.
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cipherOrder = append(cipherOrder, "aes128-cbc")
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for _, ciph := range cipherOrder {
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server := newServer(t)
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defer server.Shutdown()
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conf := clientConfig()
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conf.Ciphers = []string{ciph}
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// Don't fail if sshd doesnt have the cipher.
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conf.Ciphers = append(conf.Ciphers, cipherOrder...)
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conn, err := server.TryDial(conf)
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if err == nil {
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conn.Close()
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} else {
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t.Fatalf("failed for cipher %q", ciph)
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}
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}
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}
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func TestMACs(t *testing.T) {
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var config ssh.Config
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config.SetDefaults()
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macOrder := config.MACs
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for _, mac := range macOrder {
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server := newServer(t)
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defer server.Shutdown()
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conf := clientConfig()
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conf.MACs = []string{mac}
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// Don't fail if sshd doesnt have the MAC.
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conf.MACs = append(conf.MACs, macOrder...)
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if conn, err := server.TryDial(conf); err == nil {
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conn.Close()
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} else {
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t.Fatalf("failed for MAC %q", mac)
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}
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}
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}
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func TestKeyExchanges(t *testing.T) {
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var config ssh.Config
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config.SetDefaults()
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kexOrder := config.KeyExchanges
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for _, kex := range kexOrder {
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server := newServer(t)
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defer server.Shutdown()
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conf := clientConfig()
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// Don't fail if sshd doesnt have the kex.
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conf.KeyExchanges = append([]string{kex}, kexOrder...)
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conn, err := server.TryDial(conf)
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if err == nil {
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conn.Close()
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} else {
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t.Errorf("failed for kex %q", kex)
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}
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}
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}
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