go语言里使用scp的范例，go语言scp范例,// https://b

go语言里使用scp的范例，go语言scp范例,// https://b

// https://blogs.oracle.com/janp/entry/how_the_scp_protocol_workspackage mainimport (    "code.google.com/p/go.crypto/ssh"    "crypto"    "crypto/rsa"    "crypto/x509"    "encoding/pem"    "fmt"    "io")const privateKey = `content of id_rsa`type keychain struct {    key *rsa.PrivateKey}func (k *keychain) Key(i int) (interface{}, error) {    if i != 0 {        return nil, nil    }    return &k.key.PublicKey, nil}func (k *keychain) Sign(i int, rand io.Reader, data []byte) (sig []byte, err error) {    hashFunc := crypto.SHA1    h := hashFunc.New()    h.Write(data)    digest := h.Sum(nil)    return rsa.SignPKCS1v15(rand, k.key, hashFunc, digest)}func main() {    block, _ := pem.Decode([]byte(privateKey))    rsakey, _ := x509.ParsePKCS1PrivateKey(block.Bytes)    clientKey := &keychain{rsakey}    clientConfig := &ssh.ClientConfig{        User: "wuhao",        Auth: []ssh.ClientAuth{            ssh.ClientAuthKeyring(clientKey),        },    }    client, err := ssh.Dial("tcp", "127.0.0.1:22", clientConfig)    if err != nil {        panic("Failed to dial: " + err.Error())    }    session, err := client.NewSession()    if err != nil {        panic("Failed to create session: " + err.Error())    }    defer session.Close()    go func() {        w, _ := session.StdinPipe()        defer w.Close()        content := "123456789\n"        fmt.Fprintln(w, "C0644", len(content), "testfile")        fmt.Fprint(w, content)        fmt.Fprint(w, "\x00") // 传输以\x00结束    }()    if err := session.Run("/usr/bin/scp -qrt ./"); err != nil {        panic("Failed to run: " + err.Error())    }}