chore: support Fingerprint (#114)

This commit is contained in:
Bo-Yi Wu 2020-05-21 23:08:17 +08:00 committed by GitHub
parent b0f9b5b277
commit 2ff51f00ff
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5 changed files with 151 additions and 46 deletions

3
go.mod
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@ -4,9 +4,10 @@ go 1.14
require (
github.com/appleboy/com v0.0.6
github.com/appleboy/easyssh-proxy v1.3.4
github.com/appleboy/easyssh-proxy v1.3.5
github.com/fatih/color v1.9.0
github.com/joho/godotenv v1.3.0
github.com/stretchr/testify v1.5.1
github.com/urfave/cli/v2 v2.2.0
golang.org/x/crypto v0.0.0-20191227163750-53104e6ec876
)

4
go.sum
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@ -3,8 +3,8 @@ github.com/ScaleFT/sshkeys v0.0.0-20181112160850-82451a803681 h1:JS2rl38kZmHgWa0
github.com/ScaleFT/sshkeys v0.0.0-20181112160850-82451a803681/go.mod h1:WfDateMPQ/55dPbZRp5Zxrux5WiEaHsjk9puUhz0KgY=
github.com/appleboy/com v0.0.6 h1:l8cZ0aQJU/SWyL79ciYAJeqV835PRdlZ6efiPhus5Ic=
github.com/appleboy/com v0.0.6/go.mod h1:jnufjIC3opMlReyPPPye+8JqNvUzLm25o7h6SOy8nv0=
github.com/appleboy/easyssh-proxy v1.3.4 h1:yNgzsJ9qaDNGzQILDXEK4boioJMmUUaTUsxYtCTSGqo=
github.com/appleboy/easyssh-proxy v1.3.4/go.mod h1:Kk57I3w7OCafOjp5kgZFvxk2fO8Tca5CriBTOsbSbjY=
github.com/appleboy/easyssh-proxy v1.3.5 h1:EGTCbqAVRcGKHQMFSxz30lQmb+0nXL+jUiCrg/FjHQM=
github.com/appleboy/easyssh-proxy v1.3.5/go.mod h1:Kk57I3w7OCafOjp5kgZFvxk2fO8Tca5CriBTOsbSbjY=
github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d h1:U+s90UTSYgptZMwQh2aRr3LuazLJIa+Pg3Kc1ylSYVY=
github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=

30
main.go
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@ -66,6 +66,11 @@ func main() {
EnvVars: []string{"PLUGIN_CIPHERS", "SSH_CIPHERS", "CIPHERS", "INPUT_CIPHERS"},
Value: cli.NewStringSlice(defaultCiphers...),
},
&cli.StringFlag{
Name: "fingerprint",
Usage: "fingerprint SHA256 of the host public key, default is to skip verification",
EnvVars: []string{"PLUGIN_FINGERPRINT", "SSH_FINGERPRINT", "FINGERPRINT", "INPUT_FINGERPRINT"},
},
&cli.DurationFlag{
Name: "timeout",
Usage: "connection timeout",
@ -198,6 +203,11 @@ func main() {
EnvVars: []string{"PLUGIN_PROXY_CIPHERS", "PROXY_SSH_CIPHERS", "PROXY_CIPHERS", "INPUT_PROXY_CIPHERS"},
Value: cli.NewStringSlice(defaultCiphers...),
},
&cli.StringFlag{
Name: "proxy.fingerprint",
Usage: "fingerprint SHA256 of the host public key, default is to skip verification",
EnvVars: []string{"PLUGIN_PROXY_FINGERPRINT", "SSH_PROXY_FINGERPRINT", "PROXY_FINGERPRINT", "INPUT_PROXY_FINGERPRINT"},
},
&cli.StringFlag{
Name: "proxy.port",
Usage: "connect to port of proxy",
@ -297,6 +307,7 @@ func run(c *cli.Context) error {
Username: c.String("username"),
Password: c.String("password"),
Passphrase: c.String("ssh-passphrase"),
Fingerprint: c.String("fingerprint"),
Timeout: c.Duration("timeout"),
CommandTimeout: c.Duration("command.timeout"),
Key: c.String("ssh-key"),
@ -311,15 +322,16 @@ func run(c *cli.Context) error {
Overwrite: c.Bool("overwrite"),
Ciphers: c.StringSlice("ciphers"),
Proxy: easyssh.DefaultConfig{
Key: c.String("proxy.ssh-key"),
Passphrase: c.String("proxy.ssh-passphrase"),
KeyPath: c.String("proxy.key-path"),
User: c.String("proxy.username"),
Password: c.String("proxy.password"),
Server: c.String("proxy.host"),
Port: c.String("proxy.port"),
Timeout: c.Duration("proxy.timeout"),
Ciphers: c.StringSlice("proxy.ciphers"),
Key: c.String("proxy.ssh-key"),
Passphrase: c.String("proxy.ssh-passphrase"),
Fingerprint: c.String("proxy.fingerprint"),
KeyPath: c.String("proxy.key-path"),
User: c.String("proxy.username"),
Password: c.String("proxy.password"),
Server: c.String("proxy.host"),
Port: c.String("proxy.port"),
Timeout: c.Duration("proxy.timeout"),
Ciphers: c.StringSlice("proxy.ciphers"),
},
},
}

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@ -51,6 +51,7 @@ type (
Password string
Key string
Passphrase string
Fingerprint string
KeyPath string
Timeout time.Duration
CommandTimeout time.Duration
@ -166,23 +167,25 @@ func (p *Plugin) removeDestFile(ssh *easyssh.MakeConfig) error {
func (p *Plugin) removeAllDestFile() error {
for _, host := range p.Config.Host {
ssh := &easyssh.MakeConfig{
Server: host,
User: p.Config.Username,
Password: p.Config.Password,
Port: p.Config.Port,
Key: p.Config.Key,
KeyPath: p.Config.KeyPath,
Passphrase: p.Config.Passphrase,
Timeout: p.Config.Timeout,
Server: host,
User: p.Config.Username,
Password: p.Config.Password,
Port: p.Config.Port,
Key: p.Config.Key,
KeyPath: p.Config.KeyPath,
Passphrase: p.Config.Passphrase,
Timeout: p.Config.Timeout,
Fingerprint: p.Config.Fingerprint,
Proxy: easyssh.DefaultConfig{
Server: p.Config.Proxy.Server,
User: p.Config.Proxy.User,
Password: p.Config.Proxy.Password,
Port: p.Config.Proxy.Port,
Key: p.Config.Proxy.Key,
KeyPath: p.Config.Proxy.KeyPath,
Passphrase: p.Config.Proxy.Passphrase,
Timeout: p.Config.Proxy.Timeout,
Server: p.Config.Proxy.Server,
User: p.Config.Proxy.User,
Password: p.Config.Proxy.Password,
Port: p.Config.Proxy.Port,
Key: p.Config.Proxy.Key,
KeyPath: p.Config.Proxy.KeyPath,
Passphrase: p.Config.Proxy.Passphrase,
Timeout: p.Config.Proxy.Timeout,
Fingerprint: p.Config.Proxy.Fingerprint,
},
}
@ -276,25 +279,27 @@ func (p *Plugin) Exec() error {
go func(host string) {
// Create MakeConfig instance with remote username, server address and path to private key.
ssh := &easyssh.MakeConfig{
Server: host,
User: p.Config.Username,
Password: p.Config.Password,
Port: p.Config.Port,
Key: p.Config.Key,
KeyPath: p.Config.KeyPath,
Passphrase: p.Config.Passphrase,
Timeout: p.Config.Timeout,
Ciphers: p.Config.Ciphers,
Server: host,
User: p.Config.Username,
Password: p.Config.Password,
Port: p.Config.Port,
Key: p.Config.Key,
KeyPath: p.Config.KeyPath,
Passphrase: p.Config.Passphrase,
Timeout: p.Config.Timeout,
Ciphers: p.Config.Ciphers,
Fingerprint: p.Config.Fingerprint,
Proxy: easyssh.DefaultConfig{
Server: p.Config.Proxy.Server,
User: p.Config.Proxy.User,
Password: p.Config.Proxy.Password,
Port: p.Config.Proxy.Port,
Key: p.Config.Proxy.Key,
KeyPath: p.Config.Proxy.KeyPath,
Passphrase: p.Config.Proxy.Passphrase,
Timeout: p.Config.Proxy.Timeout,
Ciphers: p.Config.Proxy.Ciphers,
Server: p.Config.Proxy.Server,
User: p.Config.Proxy.User,
Password: p.Config.Proxy.Password,
Port: p.Config.Proxy.Port,
Key: p.Config.Proxy.Key,
KeyPath: p.Config.Proxy.KeyPath,
Passphrase: p.Config.Proxy.Passphrase,
Timeout: p.Config.Proxy.Timeout,
Ciphers: p.Config.Proxy.Ciphers,
Fingerprint: p.Config.Proxy.Fingerprint,
},
}

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@ -1,6 +1,8 @@
package main
import (
"io/ioutil"
"log"
"os"
"os/exec"
"os/user"
@ -11,6 +13,7 @@ import (
"github.com/appleboy/easyssh-proxy"
"github.com/stretchr/testify/assert"
"golang.org/x/crypto/ssh"
)
func TestMissingAllConfig(t *testing.T) {
@ -169,6 +172,90 @@ func TestSCPFileFromPublicKeyWithPassphrase(t *testing.T) {
}
}
func TestWrongFingerprint(t *testing.T) {
u, err := user.Lookup("drone-scp")
if err != nil {
t.Fatalf("Lookup: %v", err)
}
plugin := Plugin{
Config: Config{
Host: []string{"localhost"},
Username: "drone-scp",
Port: "22",
KeyPath: "./tests/.ssh/id_rsa",
Source: []string{"tests/a.txt", "tests/b.txt"},
Target: []string{filepath.Join(u.HomeDir, "/test2")},
CommandTimeout: 60 * time.Second,
TarExec: "tar",
Fingerprint: "wrong",
},
}
err = plugin.Exec()
log.Println(err)
assert.NotNil(t, err)
}
func getHostPublicKeyFile(keypath string) (ssh.PublicKey, error) {
var pubkey ssh.PublicKey
var err error
buf, err := ioutil.ReadFile(keypath)
if err != nil {
return nil, err
}
pubkey, _, _, _, err = ssh.ParseAuthorizedKey(buf)
if err != nil {
return nil, err
}
return pubkey, nil
}
func TestSCPFileFromPublicKeyWithFingerprint(t *testing.T) {
if os.Getenv("SSH_AUTH_SOCK") != "" {
if err := exec.Command("eval", "`ssh-agent -k`").Run(); err != nil {
t.Fatalf("exec: %v", err)
}
}
u, err := user.Lookup("drone-scp")
if err != nil {
t.Fatalf("Lookup: %v", err)
}
hostKey, err := getHostPublicKeyFile("/etc/ssh/ssh_host_rsa_key.pub")
assert.NoError(t, err)
plugin := Plugin{
Config: Config{
Host: []string{"localhost"},
Username: "drone-scp",
Port: "22",
KeyPath: "./tests/.ssh/id_rsa",
Fingerprint: ssh.FingerprintSHA256(hostKey),
Source: []string{"tests/a.txt", "tests/b.txt"},
Target: []string{filepath.Join(u.HomeDir, "/test2")},
CommandTimeout: 60 * time.Second,
TarExec: "tar",
},
}
err = plugin.Exec()
assert.Nil(t, err)
// check file exist
if _, err := os.Stat(filepath.Join(u.HomeDir, "/test2/tests/a.txt")); os.IsNotExist(err) {
t.Fatalf("SCP-error: %v", err)
}
if _, err := os.Stat(filepath.Join(u.HomeDir, "/test2/tests/b.txt")); os.IsNotExist(err) {
t.Fatalf("SCP-error: %v", err)
}
}
func TestSCPWildcardFileList(t *testing.T) {
if os.Getenv("SSH_AUTH_SOCK") != "" {
if err := exec.Command("eval", "`ssh-agent -k`").Run(); err != nil {