/
go_scp.go
63 lines (59 loc) · 1.5 KB
/
go_scp.go
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// Based on https://gist.github.com/jedy/3357393
// https://blogs.oracle.com/janp/entry/how_the_scp_protocol_works
package main
import (
"golang.org/x/crypto/ssh"
"fmt"
"io/ioutil"
"log"
"path/filepath"
"time"
)
func main() {
keyFileName := "/home/ivan/.ssh/demo_id_rsa"
log.Println("Load private key")
keyFilePath, err := filepath.Abs(keyFileName)
if err != nil {
log.Fatalln(err)
}
privateKey, err := ioutil.ReadFile(keyFilePath)
if err != nil {
log.Fatalln("Can't open key file", err)
}
signer, err := ssh.ParsePrivateKey(privateKey)
if err != nil {
log.Fatalln("Error key", err)
}
clientConfig := &ssh.ClientConfig{
User: "root",
Auth: []ssh.AuthMethod{
ssh.PublicKeys(signer),
},
}
log.Println("Dial to SSH server")
client, err := ssh.Dial("tcp", "172.17.0.11:22", clientConfig)
if err != nil {
log.Fatalln("Failed to dial: ", err)
}
session, err := client.NewSession()
if err != nil {
log.Fatalln("Failed to create session: ", err)
}
defer session.Close()
go func() {
w, _ := session.StdinPipe()
defer w.Close()
content := time.Now().String() + "\n"
fmt.Fprintln(w, "D0755", 0, "testdir") // mkdir
fmt.Fprintln(w, "C0644", len(content), "testfile1")
fmt.Fprint(w, content)
fmt.Fprint(w, "\x00") // transfer end with \x00
fmt.Fprintln(w, "C0644", len(content), "testfile2")
fmt.Fprint(w, content)
fmt.Fprint(w, "\x00")
}()
log.Println("Create files")
if err := session.Run("/usr/bin/scp -tr ./"); err != nil {
log.Fatalln("Failed to run: ", err)
}
}