Add missing unit tests for ssh.

This commit is contained in:
Mariano Cano 2019-11-27 14:48:34 -08:00 committed by max furman
parent f6ffa2cc43
commit f0eb12372b

View file

@ -5,6 +5,7 @@ import (
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rand"
"crypto/x509"
"encoding/base64"
"encoding/json"
"fmt"
@ -20,6 +21,7 @@ import (
"github.com/smallstep/certificates/authority"
"github.com/smallstep/certificates/authority/provisioner"
"github.com/smallstep/certificates/logging"
"github.com/smallstep/certificates/sshutil"
"github.com/smallstep/certificates/templates"
"golang.org/x/crypto/ssh"
)
@ -197,6 +199,10 @@ func TestSSHCertificate_UnmarshalJSON(t *testing.T) {
}
func TestSignSSHRequest_Validate(t *testing.T) {
csr := parseCertificateRequest(csrPEM)
badCSR := parseCertificateRequest(csrPEM)
badCSR.SignatureAlgorithm = x509.SHA1WithRSA
type fields struct {
PublicKey []byte
OTT string
@ -205,19 +211,24 @@ func TestSignSSHRequest_Validate(t *testing.T) {
ValidAfter TimeDuration
ValidBefore TimeDuration
AddUserPublicKey []byte
KeyID string
IdentityCSR CertificateRequest
}
tests := []struct {
name string
fields fields
wantErr bool
}{
{"ok-empty", fields{[]byte("Zm9v"), "ott", "", []string{"user"}, TimeDuration{}, TimeDuration{}, nil}, false},
{"ok-user", fields{[]byte("Zm9v"), "ott", "user", []string{"user"}, TimeDuration{}, TimeDuration{}, nil}, false},
{"ok-host", fields{[]byte("Zm9v"), "ott", "host", []string{"user"}, TimeDuration{}, TimeDuration{}, nil}, false},
{"key", fields{nil, "ott", "user", []string{"user"}, TimeDuration{}, TimeDuration{}, nil}, true},
{"key", fields{[]byte(""), "ott", "user", []string{"user"}, TimeDuration{}, TimeDuration{}, nil}, true},
{"type", fields{[]byte("Zm9v"), "ott", "foo", []string{"user"}, TimeDuration{}, TimeDuration{}, nil}, true},
{"ott", fields{[]byte("Zm9v"), "", "user", []string{"user"}, TimeDuration{}, TimeDuration{}, nil}, true},
{"ok-empty", fields{[]byte("Zm9v"), "ott", "", []string{"user"}, TimeDuration{}, TimeDuration{}, nil, "", CertificateRequest{}}, false},
{"ok-user", fields{[]byte("Zm9v"), "ott", "user", []string{"user"}, TimeDuration{}, TimeDuration{}, nil, "", CertificateRequest{}}, false},
{"ok-host", fields{[]byte("Zm9v"), "ott", "host", []string{"user"}, TimeDuration{}, TimeDuration{}, nil, "", CertificateRequest{}}, false},
{"ok-keyID", fields{[]byte("Zm9v"), "ott", "user", []string{"user"}, TimeDuration{}, TimeDuration{}, nil, "key-id", CertificateRequest{}}, false},
{"ok-identityCSR", fields{[]byte("Zm9v"), "ott", "user", []string{"user"}, TimeDuration{}, TimeDuration{}, nil, "key-id", CertificateRequest{CertificateRequest: csr}}, false},
{"key", fields{nil, "ott", "user", []string{"user"}, TimeDuration{}, TimeDuration{}, nil, "", CertificateRequest{}}, true},
{"key", fields{[]byte(""), "ott", "user", []string{"user"}, TimeDuration{}, TimeDuration{}, nil, "", CertificateRequest{}}, true},
{"type", fields{[]byte("Zm9v"), "ott", "foo", []string{"user"}, TimeDuration{}, TimeDuration{}, nil, "", CertificateRequest{}}, true},
{"ott", fields{[]byte("Zm9v"), "", "user", []string{"user"}, TimeDuration{}, TimeDuration{}, nil, "", CertificateRequest{}}, true},
{"identityCSR", fields{[]byte("Zm9v"), "ott", "user", []string{"user"}, TimeDuration{}, TimeDuration{}, nil, "key-id", CertificateRequest{CertificateRequest: badCSR}}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
@ -229,6 +240,8 @@ func TestSignSSHRequest_Validate(t *testing.T) {
ValidAfter: tt.fields.ValidAfter,
ValidBefore: tt.fields.ValidBefore,
AddUserPublicKey: tt.fields.AddUserPublicKey,
KeyID: tt.fields.KeyID,
IdentityCSR: tt.fields.IdentityCSR,
}
if err := s.Validate(); (err != nil) != tt.wantErr {
t.Errorf("SignSSHRequest.Validate() error = %v, wantErr %v", err, tt.wantErr)
@ -262,6 +275,16 @@ func Test_caHandler_SSHSign(t *testing.T) {
AddUserPublicKey: user.Key.Marshal(),
})
assert.FatalError(t, err)
userIdentityReq, err := json.Marshal(SSHSignRequest{
PublicKey: user.Key.Marshal(),
OTT: "ott",
IdentityCSR: CertificateRequest{parseCertificateRequest(csrPEM)},
})
assert.FatalError(t, err)
identityCerts := []*x509.Certificate{
parseCertificate(certPEM),
}
identityCertsPEM := []byte(`"` + strings.Replace(certPEM, "\n", `\n`, -1) + `\n"`)
tests := []struct {
name string
@ -271,19 +294,23 @@ func Test_caHandler_SSHSign(t *testing.T) {
signErr error
addUserCert *ssh.Certificate
addUserErr error
tlsSignCerts []*x509.Certificate
tlsSignErr error
body []byte
statusCode int
}{
{"ok-user", userReq, nil, user, nil, nil, nil, []byte(fmt.Sprintf(`{"crt":"%s"}`, userB64)), http.StatusCreated},
{"ok-host", hostReq, nil, host, nil, nil, nil, []byte(fmt.Sprintf(`{"crt":"%s"}`, hostB64)), http.StatusCreated},
{"ok-user-add", userAddReq, nil, user, nil, user, nil, []byte(fmt.Sprintf(`{"crt":"%s","addUserCrt":"%s"}`, userB64, userB64)), http.StatusCreated},
{"fail-body", []byte("bad-json"), nil, nil, nil, nil, nil, nil, http.StatusBadRequest},
{"fail-validate", []byte("{}"), nil, nil, nil, nil, nil, nil, http.StatusBadRequest},
{"fail-publicKey", []byte(`{"publicKey":"Zm9v","ott":"ott"}`), nil, nil, nil, nil, nil, nil, http.StatusBadRequest},
{"fail-publicKey", []byte(fmt.Sprintf(`{"publicKey":"%s","ott":"ott","addUserPublicKey":"Zm9v"}`, base64.StdEncoding.EncodeToString(user.Key.Marshal()))), nil, nil, nil, nil, nil, nil, http.StatusBadRequest},
{"fail-authorize", userReq, fmt.Errorf("an-error"), nil, nil, nil, nil, nil, http.StatusUnauthorized},
{"fail-signSSH", userReq, nil, nil, fmt.Errorf("an-error"), nil, nil, nil, http.StatusForbidden},
{"fail-SignSSHAddUser", userAddReq, nil, user, nil, nil, fmt.Errorf("an-error"), nil, http.StatusForbidden},
{"ok-user", userReq, nil, user, nil, nil, nil, nil, nil, []byte(fmt.Sprintf(`{"crt":"%s"}`, userB64)), http.StatusCreated},
{"ok-host", hostReq, nil, host, nil, nil, nil, nil, nil, []byte(fmt.Sprintf(`{"crt":"%s"}`, hostB64)), http.StatusCreated},
{"ok-user-add", userAddReq, nil, user, nil, user, nil, nil, nil, []byte(fmt.Sprintf(`{"crt":"%s","addUserCrt":"%s"}`, userB64, userB64)), http.StatusCreated},
{"ok-user-identity", userIdentityReq, nil, user, nil, user, nil, identityCerts, nil, []byte(fmt.Sprintf(`{"crt":"%s","identityCrt":[%s]}`, userB64, identityCertsPEM)), http.StatusCreated},
{"fail-body", []byte("bad-json"), nil, nil, nil, nil, nil, nil, nil, nil, http.StatusBadRequest},
{"fail-validate", []byte("{}"), nil, nil, nil, nil, nil, nil, nil, nil, http.StatusBadRequest},
{"fail-publicKey", []byte(`{"publicKey":"Zm9v","ott":"ott"}`), nil, nil, nil, nil, nil, nil, nil, nil, http.StatusBadRequest},
{"fail-publicKey", []byte(fmt.Sprintf(`{"publicKey":"%s","ott":"ott","addUserPublicKey":"Zm9v"}`, base64.StdEncoding.EncodeToString(user.Key.Marshal()))), nil, nil, nil, nil, nil, nil, nil, nil, http.StatusBadRequest},
{"fail-authorize", userReq, fmt.Errorf("an-error"), nil, nil, nil, nil, nil, nil, nil, http.StatusUnauthorized},
{"fail-signSSH", userReq, nil, nil, fmt.Errorf("an-error"), nil, nil, nil, nil, nil, http.StatusForbidden},
{"fail-SignSSHAddUser", userAddReq, nil, user, nil, nil, fmt.Errorf("an-error"), nil, nil, nil, http.StatusForbidden},
{"fail-user-identity", userIdentityReq, nil, user, nil, user, nil, nil, fmt.Errorf("an-error"), nil, http.StatusForbidden},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
@ -297,6 +324,9 @@ func Test_caHandler_SSHSign(t *testing.T) {
signSSHAddUser: func(key ssh.PublicKey, cert *ssh.Certificate) (*ssh.Certificate, error) {
return tt.addUserCert, tt.addUserErr
},
sign: func(cr *x509.CertificateRequest, opts provisioner.Options, signOpts ...provisioner.SignOption) ([]*x509.Certificate, error) {
return tt.tlsSignCerts, tt.tlsSignErr
},
}).(*caHandler)
req := httptest.NewRequest("POST", "http://example.com/ssh/sign", bytes.NewReader(tt.req))
@ -537,6 +567,57 @@ func Test_caHandler_SSHCheckHost(t *testing.T) {
}
}
func Test_caHandler_SSHGetHosts(t *testing.T) {
hosts := []sshutil.Host{
{HostID: "1", HostGroups: []sshutil.HostGroup{{ID: "1", Name: "group 1"}}, Hostname: "host1"},
{HostID: "2", HostGroups: []sshutil.HostGroup{{ID: "1", Name: "group 1"}, {ID: "2", Name: "group 2"}}, Hostname: "host2"},
}
hostsJSON, err := json.Marshal(hosts)
assert.FatalError(t, err)
tests := []struct {
name string
hosts []sshutil.Host
err error
body []byte
statusCode int
}{
{"ok", hosts, nil, []byte(fmt.Sprintf(`{"hosts":%s}`, hostsJSON)), http.StatusOK},
{"empty (array)", []sshutil.Host{}, nil, []byte(`{"hosts":[]}`), http.StatusOK},
{"empty (nil)", nil, nil, []byte(`{"hosts":null}`), http.StatusOK},
{"error", nil, fmt.Errorf("an error"), nil, http.StatusInternalServerError},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
h := New(&mockAuthority{
getSSHHosts: func(*x509.Certificate) ([]sshutil.Host, error) {
return tt.hosts, tt.err
},
}).(*caHandler)
req := httptest.NewRequest("GET", "http://example.com/ssh/host", http.NoBody)
w := httptest.NewRecorder()
h.SSHGetHosts(logging.NewResponseLogger(w), req)
res := w.Result()
if res.StatusCode != tt.statusCode {
t.Errorf("caHandler.SSHGetHosts StatusCode = %d, wants %d", res.StatusCode, tt.statusCode)
}
body, err := ioutil.ReadAll(res.Body)
res.Body.Close()
if err != nil {
t.Errorf("caHandler.SSHGetHosts unexpected error = %v", err)
}
if tt.statusCode < http.StatusBadRequest {
if !bytes.Equal(bytes.TrimSpace(body), tt.body) {
t.Errorf("caHandler.SSHGetHosts Body = %s, wants %s", body, tt.body)
}
}
})
}
}
func Test_caHandler_SSHBastion(t *testing.T) {
bastion := &authority.Bastion{
Hostname: "bastion.local",