mirror of
https://github.com/go-gitea/gitea.git
synced 2024-08-24 21:27:27 +02:00
217 lines
8.2 KiB
Go
Executable File
217 lines
8.2 KiB
Go
Executable File
// Copyright 2013 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package ssh
|
|
|
|
import (
|
|
"bytes"
|
|
"crypto/rand"
|
|
"reflect"
|
|
"testing"
|
|
"time"
|
|
)
|
|
|
|
// Cert generated by ssh-keygen 6.0p1 Debian-4.
|
|
// % ssh-keygen -s ca-key -I test user-key
|
|
const exampleSSHCert = `ssh-rsa-cert-v01@openssh.com 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`
|
|
|
|
func TestParseCert(t *testing.T) {
|
|
authKeyBytes := []byte(exampleSSHCert)
|
|
|
|
key, _, _, rest, err := ParseAuthorizedKey(authKeyBytes)
|
|
if err != nil {
|
|
t.Fatalf("ParseAuthorizedKey: %v", err)
|
|
}
|
|
if len(rest) > 0 {
|
|
t.Errorf("rest: got %q, want empty", rest)
|
|
}
|
|
|
|
if _, ok := key.(*Certificate); !ok {
|
|
t.Fatalf("got %v (%T), want *Certificate", key, key)
|
|
}
|
|
|
|
marshaled := MarshalAuthorizedKey(key)
|
|
// Before comparison, remove the trailing newline that
|
|
// MarshalAuthorizedKey adds.
|
|
marshaled = marshaled[:len(marshaled)-1]
|
|
if !bytes.Equal(authKeyBytes, marshaled) {
|
|
t.Errorf("marshaled certificate does not match original: got %q, want %q", marshaled, authKeyBytes)
|
|
}
|
|
}
|
|
|
|
// Cert generated by ssh-keygen OpenSSH_6.8p1 OS X 10.10.3
|
|
// % ssh-keygen -s ca -I testcert -O source-address=192.168.1.0/24 -O force-command=/bin/sleep user.pub
|
|
// user.pub key: ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDACh1rt2DXfV3hk6fszSQcQ/rueMId0kVD9U7nl8cfEnFxqOCrNT92g4laQIGl2mn8lsGZfTLg8ksHq3gkvgO3oo/0wHy4v32JeBOHTsN5AL4gfHNEhWeWb50ev47hnTsRIt9P4dxogeUo/hTu7j9+s9lLpEQXCvq6xocXQt0j8MV9qZBBXFLXVT3cWIkSqOdwt/5ZBg+1GSrc7WfCXVWgTk4a20uPMuJPxU4RQwZW6X3+O8Pqo8C3cW0OzZRFP6gUYUKUsTI5WntlS+LAxgw1mZNsozFGdbiOPRnEryE3SRldh9vjDR3tin1fGpA5P7+CEB/bqaXtG3V+F2OkqaMN
|
|
// Critical Options:
|
|
// force-command /bin/sleep
|
|
// source-address 192.168.1.0/24
|
|
// Extensions:
|
|
// permit-X11-forwarding
|
|
// permit-agent-forwarding
|
|
// permit-port-forwarding
|
|
// permit-pty
|
|
// permit-user-rc
|
|
const exampleSSHCertWithOptions = `ssh-rsa-cert-v01@openssh.com AAAAHHNzaC1yc2EtY2VydC12MDFAb3BlbnNzaC5jb20AAAAgDyysCJY0XrO1n03EeRRoITnTPdjENFmWDs9X58PP3VUAAAADAQABAAABAQDACh1rt2DXfV3hk6fszSQcQ/rueMId0kVD9U7nl8cfEnFxqOCrNT92g4laQIGl2mn8lsGZfTLg8ksHq3gkvgO3oo/0wHy4v32JeBOHTsN5AL4gfHNEhWeWb50ev47hnTsRIt9P4dxogeUo/hTu7j9+s9lLpEQXCvq6xocXQt0j8MV9qZBBXFLXVT3cWIkSqOdwt/5ZBg+1GSrc7WfCXVWgTk4a20uPMuJPxU4RQwZW6X3+O8Pqo8C3cW0OzZRFP6gUYUKUsTI5WntlS+LAxgw1mZNsozFGdbiOPRnEryE3SRldh9vjDR3tin1fGpA5P7+CEB/bqaXtG3V+F2OkqaMNAAAAAAAAAAAAAAABAAAACHRlc3RjZXJ0AAAAAAAAAAAAAAAA//////////8AAABLAAAADWZvcmNlLWNvbW1hbmQAAAAOAAAACi9iaW4vc2xlZXAAAAAOc291cmNlLWFkZHJlc3MAAAASAAAADjE5Mi4xNjguMS4wLzI0AAAAggAAABVwZXJtaXQtWDExLWZvcndhcmRpbmcAAAAAAAAAF3Blcm1pdC1hZ2VudC1mb3J3YXJkaW5nAAAAAAAAABZwZXJtaXQtcG9ydC1mb3J3YXJkaW5nAAAAAAAAAApwZXJtaXQtcHR5AAAAAAAAAA5wZXJtaXQtdXNlci1yYwAAAAAAAAAAAAABFwAAAAdzc2gtcnNhAAAAAwEAAQAAAQEAwU+c5ui5A8+J/CFpjW8wCa52bEODA808WWQDCSuTG/eMXNf59v9Y8Pk0F1E9dGCosSNyVcB/hacUrc6He+i97+HJCyKavBsE6GDxrjRyxYqAlfcOXi/IVmaUGiO8OQ39d4GHrjToInKvExSUeleQyH4Y4/e27T/pILAqPFL3fyrvMLT5qU9QyIt6zIpa7GBP5+urouNavMprV3zsfIqNBbWypinOQAw823a5wN+zwXnhZrgQiHZ/USG09Y6k98y1dTVz8YHlQVR4D3lpTAsKDKJ5hCH9WU4fdf+lU8OyNGaJ/vz0XNqxcToe1l4numLTnaoSuH89pHryjqurB7lJKwAAAQ8AAAAHc3NoLXJzYQAAAQCaHvUIoPL1zWUHIXLvu96/HU1s/i4CAW2IIEuGgxCUCiFj6vyTyYtgxQxcmbfZf6eaITlS6XJZa7Qq4iaFZh75C1DXTX8labXhRSD4E2t//AIP9MC1rtQC5xo6FmbQ+BoKcDskr+mNACcbRSxs3IL3bwCfWDnIw2WbVox9ZdcthJKk4UoCW4ix4QwdHw7zlddlz++fGEEVhmTbll1SUkycGApPFBsAYRTMupUJcYPIeReBI/m8XfkoMk99bV8ZJQTAd7OekHY2/48Ff53jLmyDjP7kNw1F8OaPtkFs6dGJXta4krmaekPy87j+35In5hFj7yoOqvSbmYUkeX70/GGQ`
|
|
|
|
func TestParseCertWithOptions(t *testing.T) {
|
|
opts := map[string]string{
|
|
"source-address": "192.168.1.0/24",
|
|
"force-command": "/bin/sleep",
|
|
}
|
|
exts := map[string]string{
|
|
"permit-X11-forwarding": "",
|
|
"permit-agent-forwarding": "",
|
|
"permit-port-forwarding": "",
|
|
"permit-pty": "",
|
|
"permit-user-rc": "",
|
|
}
|
|
authKeyBytes := []byte(exampleSSHCertWithOptions)
|
|
|
|
key, _, _, rest, err := ParseAuthorizedKey(authKeyBytes)
|
|
if err != nil {
|
|
t.Fatalf("ParseAuthorizedKey: %v", err)
|
|
}
|
|
if len(rest) > 0 {
|
|
t.Errorf("rest: got %q, want empty", rest)
|
|
}
|
|
cert, ok := key.(*Certificate)
|
|
if !ok {
|
|
t.Fatalf("got %v (%T), want *Certificate", key, key)
|
|
}
|
|
if !reflect.DeepEqual(cert.CriticalOptions, opts) {
|
|
t.Errorf("unexpected critical options - got %v, want %v", cert.CriticalOptions, opts)
|
|
}
|
|
if !reflect.DeepEqual(cert.Extensions, exts) {
|
|
t.Errorf("unexpected Extensions - got %v, want %v", cert.Extensions, exts)
|
|
}
|
|
marshaled := MarshalAuthorizedKey(key)
|
|
// Before comparison, remove the trailing newline that
|
|
// MarshalAuthorizedKey adds.
|
|
marshaled = marshaled[:len(marshaled)-1]
|
|
if !bytes.Equal(authKeyBytes, marshaled) {
|
|
t.Errorf("marshaled certificate does not match original: got %q, want %q", marshaled, authKeyBytes)
|
|
}
|
|
}
|
|
|
|
func TestValidateCert(t *testing.T) {
|
|
key, _, _, _, err := ParseAuthorizedKey([]byte(exampleSSHCert))
|
|
if err != nil {
|
|
t.Fatalf("ParseAuthorizedKey: %v", err)
|
|
}
|
|
validCert, ok := key.(*Certificate)
|
|
if !ok {
|
|
t.Fatalf("got %v (%T), want *Certificate", key, key)
|
|
}
|
|
checker := CertChecker{}
|
|
checker.IsAuthority = func(k PublicKey) bool {
|
|
return bytes.Equal(k.Marshal(), validCert.SignatureKey.Marshal())
|
|
}
|
|
|
|
if err := checker.CheckCert("user", validCert); err != nil {
|
|
t.Errorf("Unable to validate certificate: %v", err)
|
|
}
|
|
invalidCert := &Certificate{
|
|
Key: testPublicKeys["rsa"],
|
|
SignatureKey: testPublicKeys["ecdsa"],
|
|
ValidBefore: CertTimeInfinity,
|
|
Signature: &Signature{},
|
|
}
|
|
if err := checker.CheckCert("user", invalidCert); err == nil {
|
|
t.Error("Invalid cert signature passed validation")
|
|
}
|
|
}
|
|
|
|
func TestValidateCertTime(t *testing.T) {
|
|
cert := Certificate{
|
|
ValidPrincipals: []string{"user"},
|
|
Key: testPublicKeys["rsa"],
|
|
ValidAfter: 50,
|
|
ValidBefore: 100,
|
|
}
|
|
|
|
cert.SignCert(rand.Reader, testSigners["ecdsa"])
|
|
|
|
for ts, ok := range map[int64]bool{
|
|
25: false,
|
|
50: true,
|
|
99: true,
|
|
100: false,
|
|
125: false,
|
|
} {
|
|
checker := CertChecker{
|
|
Clock: func() time.Time { return time.Unix(ts, 0) },
|
|
}
|
|
checker.IsAuthority = func(k PublicKey) bool {
|
|
return bytes.Equal(k.Marshal(),
|
|
testPublicKeys["ecdsa"].Marshal())
|
|
}
|
|
|
|
if v := checker.CheckCert("user", &cert); (v == nil) != ok {
|
|
t.Errorf("Authenticate(%d): %v", ts, v)
|
|
}
|
|
}
|
|
}
|
|
|
|
// TODO(hanwen): tests for
|
|
//
|
|
// host keys:
|
|
// * fallbacks
|
|
|
|
func TestHostKeyCert(t *testing.T) {
|
|
cert := &Certificate{
|
|
ValidPrincipals: []string{"hostname", "hostname.domain"},
|
|
Key: testPublicKeys["rsa"],
|
|
ValidBefore: CertTimeInfinity,
|
|
CertType: HostCert,
|
|
}
|
|
cert.SignCert(rand.Reader, testSigners["ecdsa"])
|
|
|
|
checker := &CertChecker{
|
|
IsAuthority: func(p PublicKey) bool {
|
|
return bytes.Equal(testPublicKeys["ecdsa"].Marshal(), p.Marshal())
|
|
},
|
|
}
|
|
|
|
certSigner, err := NewCertSigner(cert, testSigners["rsa"])
|
|
if err != nil {
|
|
t.Errorf("NewCertSigner: %v", err)
|
|
}
|
|
|
|
for _, name := range []string{"hostname", "otherhost"} {
|
|
c1, c2, err := netPipe()
|
|
if err != nil {
|
|
t.Fatalf("netPipe: %v", err)
|
|
}
|
|
defer c1.Close()
|
|
defer c2.Close()
|
|
|
|
errc := make(chan error)
|
|
|
|
go func() {
|
|
conf := ServerConfig{
|
|
NoClientAuth: true,
|
|
}
|
|
conf.AddHostKey(certSigner)
|
|
_, _, _, err := NewServerConn(c1, &conf)
|
|
errc <- err
|
|
}()
|
|
|
|
config := &ClientConfig{
|
|
User: "user",
|
|
HostKeyCallback: checker.CheckHostKey,
|
|
}
|
|
_, _, _, err = NewClientConn(c2, name, config)
|
|
|
|
succeed := name == "hostname"
|
|
if (err == nil) != succeed {
|
|
t.Fatalf("NewClientConn(%q): %v", name, err)
|
|
}
|
|
|
|
err = <-errc
|
|
if (err == nil) != succeed {
|
|
t.Fatalf("NewServerConn(%q): %v", name, err)
|
|
}
|
|
}
|
|
}
|