1st init

.gitignore

@@ -0,0 +1,9 @@
+.idea
+go.sum
+main.exe
+log.txt
+logs
+*.log
+uploads
+gin.log
+nogit_test.go

go.mod

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+module gssh
+
+go 1.19
+
+require (
+	golang.org/x/crypto v0.0.0-20220722155217-630584e8d5aa // indirect
+	golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 // indirect
+)

main.go

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+package main
+
+import (
+	"flag"
+	"fmt"
+	"golang.org/x/crypto/ssh"
+	"os/user"
+	"strconv"
+)
+
+var currentUser string
+
+func init() {
+	user, err := user.Current()
+	if err != nil {
+		currentUser = "root"
+		return
+	}
+	currentUser = user.Username
+
+}
+func main() {
+	host := flag.String("h", "", "server host ip")
+	port := flag.Int("p", 22, "sshd port")
+	user := flag.String("u", currentUser, "sshd username")
+	password := flag.String("p", "", "sshd password")
+	cmd := flag.String("c", "ls", "sshd command")
+	flag.Parse()
+	sshClient, err := getClient(*host, *port, *user, *password)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+	defer sshClient.Close()
+	res, err := SSH(sshClient, *cmd)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+	fmt.Println(res)
+
+}
+
+func getClient(host string, port int, username, password string) (*ssh.Client, error) {
+	config := &ssh.ClientConfig{
+		User: username,
+		Auth: []ssh.AuthMethod{
+			ssh.Password(password),
+		},
+		HostKeyCallback: ssh.InsecureIgnoreHostKey(), // 忽略主机密钥验证
+	}
+	client, err := ssh.Dial("tcp", host+":"+strconv.Itoa(port), config)
+	if err != nil {
+		return nil, err
+	}
+	return client, nil
+}
+func SSH(sshClient *ssh.Client, cmd string) (string, error) {
+	session, err := sshClient.NewSession()
+	if err != nil {
+		return "", err
+	}
+	defer session.Close()
+	var b []byte
+	b, err = session.CombinedOutput(cmd)
+	if err != nil {
+		return "", err
+	}
+	return string(b), nil
+}

main_test.go

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+package main
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestSSH(tt *testing.T) {
+	host := "172.16.0.5"
+	port := "22"
+	user := "root"
+	passwd := "123456"
+	cmd := "top  -c -b -n 1"
+	sshClient, err := getClient(host, port, user, passwd)
+	if err != nil {
+		fmt.Println(err)
+	}
+	defer sshClient.Close()
+	res, err := SSH(sshClient, cmd)
+	if err != nil {
+		fmt.Println(err)
+	}
+	fmt.Println(res)
+
+}

readme.md

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+ssh in golang
+
+## build arm64 on oracle
+```bash
+cd /root
+rm -rf gssh
+git clone https://git.sre.ink/go/gssh.git
+cd gssh
+CGO_ENABLED=0 GOOS=linux GOARCH=arm64 GO111MODULE=on   go mod tidy
+CGO_ENABLED=0 GOOS=linux GOARCH=arm64 GO111MODULE=on   go build -v -a -o gssh main.go
+rm -rf /usr/bin/gssh
+mv gssh /usr/bin/
+gssh -h 127.0.0.1 -p 22 -u root -p 123456 -c ls
+```