我有这种“工作方式”,但是这里缺少了:
^[[A^[[D^[[C
我从下面的程序包中获得以下代码:https://github.com/nanobox-io/golang-ssh我单独使用该程序包进行了测试,它可以完美运行。我看不到该程序包在做什么,这不在我的脚本中。如果相关的话,我还包括了用于创建通往主机的隧道的代码。见下文:
func Start(hostName string) {
var (
termWidth, termHeight = 80, 24
)
jumpAddr := "..."
hostAddr := "..."
jumpConfig := ssh.ClientConfig{
// ...
}
hostConfig := ssh.ClientConfig{
// ...
}
jumpConn, err := ssh.Dial("tcp", jumpAddr+":22", &jumpConfig)
ifpanic(err)
hostConn, err := jumpConn.Dial("tcp", hostAddr+":22")
ifpanic(err)
hostSSHConn, chans, reqs, err := ssh.NewClientConn(hostConn, hostName+":22", &hostConfig)
ifpanic(err)
hostClient := ssh.NewClient(hostSSHConn, chans, reqs)
session, err := hostClient.NewSession()
ifpanic(err)
session.Stdout = os.Stdout
session.Stderr = os.Stderr
session.Stdin = os.Stdin
modes := ssh.TerminalModes{
ssh.ECHO: 1,
}
fd := os.Stdin.Fd()
oldState, err := term.MakeRaw(fd)
ifpanic(err)
defer ifpanic(term.RestoreTerminal(fd, oldState))
winsize, err := term.GetWinsize(fd)
if err == nil {
termWidth = int(winsize.Width)
termHeight = int(winsize.Height)
}
if err := session.RequestPty("xterm", termHeight, termWidth, modes); err != nil {
panic(err)
}
if err := session.Shell(); err != nil {
panic(err)
}
go monWinCh(session, os.Stdout.Fd())
if err := session.Wait(); err != nil {
panic(err)
}
}
func ifpanic(err error) {
if err != nil {
panic(err)
}
}
func monWinCh(session *ssh.Session, fd uintptr) {
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGWINCH)
defer signal.Stop(sigs)
for range sigs {
if _, err := session.SendRequest("window-change", false, termSize(fd)); err != nil {
panic(err)
}
}
}
func termSize(fd uintptr) []byte {
size := make([]byte, 16)
winsize, err := term.GetWinsize(fd)
if err != nil {
binary.BigEndian.PutUint32(size, uint32(80))
binary.BigEndian.PutUint32(size[4:], uint32(24))
return size
}
binary.BigEndian.PutUint32(size, uint32(winsize.Width))
binary.BigEndian.PutUint32(size[4:], uint32(winsize.Height))
return size
}
sigChannel := make(chan os.Signal)
signal.Notify(sigChannel, syscall.SIGINT, syscall.SIGTERM)
go func() {
for {
sig, ok := <-sigChannel
if !ok {
break
}
session.Signal(sig)
}
}()
注意:别忘了正确关闭信号通道,以便您的goroutine可以正常退出。
此代码不会捕获所有信号,但是您可以找到可用信号here的列表,然后选择要处理的信号。