forked from TrueCloudLab/certificates
946 lines
34 KiB
Go
946 lines
34 KiB
Go
package authority
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import (
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"context"
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"crypto/ecdsa"
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"crypto/elliptic"
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"crypto/rand"
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"crypto/x509"
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"encoding/base64"
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"fmt"
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"net/http"
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"reflect"
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"testing"
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"time"
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"github.com/pkg/errors"
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"github.com/smallstep/assert"
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"github.com/smallstep/certificates/authority/provisioner"
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"github.com/smallstep/certificates/db"
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"github.com/smallstep/certificates/errs"
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"github.com/smallstep/certificates/sshutil"
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"github.com/smallstep/certificates/templates"
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"github.com/smallstep/cli/jose"
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"golang.org/x/crypto/ssh"
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)
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type sshTestModifier ssh.Certificate
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func (m sshTestModifier) Modify(cert *ssh.Certificate) error {
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if m.CertType != 0 {
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cert.CertType = m.CertType
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}
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if m.KeyId != "" {
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cert.KeyId = m.KeyId
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}
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if m.ValidAfter != 0 {
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cert.ValidAfter = m.ValidAfter
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}
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if m.ValidBefore != 0 {
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cert.ValidBefore = m.ValidBefore
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}
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if len(m.ValidPrincipals) != 0 {
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cert.ValidPrincipals = m.ValidPrincipals
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}
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if m.Permissions.CriticalOptions != nil {
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cert.Permissions.CriticalOptions = m.Permissions.CriticalOptions
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}
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if m.Permissions.Extensions != nil {
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cert.Permissions.Extensions = m.Permissions.Extensions
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}
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return nil
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}
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type sshTestCertModifier string
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func (m sshTestCertModifier) Modify(cert *ssh.Certificate) error {
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if m == "" {
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return nil
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}
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return fmt.Errorf(string(m))
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}
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type sshTestCertValidator string
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func (v sshTestCertValidator) Valid(crt *ssh.Certificate, opts provisioner.SSHOptions) error {
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if v == "" {
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return nil
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}
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return fmt.Errorf(string(v))
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}
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type sshTestOptionsValidator string
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func (v sshTestOptionsValidator) Valid(opts provisioner.SSHOptions) error {
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if v == "" {
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return nil
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}
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return fmt.Errorf(string(v))
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}
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type sshTestOptionsModifier string
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func (m sshTestOptionsModifier) Option(opts provisioner.SSHOptions) provisioner.SSHCertModifier {
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return sshTestCertModifier(string(m))
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}
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func TestAuthority_SignSSH(t *testing.T) {
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key, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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assert.FatalError(t, err)
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pub, err := ssh.NewPublicKey(key.Public())
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assert.FatalError(t, err)
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signKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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assert.FatalError(t, err)
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signer, err := ssh.NewSignerFromKey(signKey)
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assert.FatalError(t, err)
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userOptions := sshTestModifier{
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CertType: ssh.UserCert,
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}
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hostOptions := sshTestModifier{
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CertType: ssh.HostCert,
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}
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now := time.Now()
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type fields struct {
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sshCAUserCertSignKey ssh.Signer
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sshCAHostCertSignKey ssh.Signer
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}
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type args struct {
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key ssh.PublicKey
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opts provisioner.SSHOptions
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signOpts []provisioner.SignOption
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}
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type want struct {
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CertType uint32
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Principals []string
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ValidAfter uint64
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ValidBefore uint64
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}
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tests := []struct {
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name string
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fields fields
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args args
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want want
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wantErr bool
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}{
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{"ok-user", fields{signer, signer}, args{pub, provisioner.SSHOptions{}, []provisioner.SignOption{userOptions}}, want{CertType: ssh.UserCert}, false},
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{"ok-host", fields{signer, signer}, args{pub, provisioner.SSHOptions{}, []provisioner.SignOption{hostOptions}}, want{CertType: ssh.HostCert}, false},
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{"ok-opts-type-user", fields{signer, signer}, args{pub, provisioner.SSHOptions{CertType: "user"}, []provisioner.SignOption{}}, want{CertType: ssh.UserCert}, false},
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{"ok-opts-type-host", fields{signer, signer}, args{pub, provisioner.SSHOptions{CertType: "host"}, []provisioner.SignOption{}}, want{CertType: ssh.HostCert}, false},
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{"ok-opts-principals", fields{signer, signer}, args{pub, provisioner.SSHOptions{CertType: "user", Principals: []string{"user"}}, []provisioner.SignOption{}}, want{CertType: ssh.UserCert, Principals: []string{"user"}}, false},
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{"ok-opts-principals", fields{signer, signer}, args{pub, provisioner.SSHOptions{CertType: "host", Principals: []string{"foo.test.com", "bar.test.com"}}, []provisioner.SignOption{}}, want{CertType: ssh.HostCert, Principals: []string{"foo.test.com", "bar.test.com"}}, false},
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{"ok-opts-valid-after", fields{signer, signer}, args{pub, provisioner.SSHOptions{CertType: "user", ValidAfter: provisioner.NewTimeDuration(now)}, []provisioner.SignOption{}}, want{CertType: ssh.UserCert, ValidAfter: uint64(now.Unix())}, false},
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{"ok-opts-valid-before", fields{signer, signer}, args{pub, provisioner.SSHOptions{CertType: "host", ValidBefore: provisioner.NewTimeDuration(now)}, []provisioner.SignOption{}}, want{CertType: ssh.HostCert, ValidBefore: uint64(now.Unix())}, false},
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{"ok-cert-validator", fields{signer, signer}, args{pub, provisioner.SSHOptions{}, []provisioner.SignOption{userOptions, sshTestCertValidator("")}}, want{CertType: ssh.UserCert}, false},
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{"ok-cert-modifier", fields{signer, signer}, args{pub, provisioner.SSHOptions{}, []provisioner.SignOption{userOptions, sshTestCertModifier("")}}, want{CertType: ssh.UserCert}, false},
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{"ok-opts-validator", fields{signer, signer}, args{pub, provisioner.SSHOptions{}, []provisioner.SignOption{userOptions, sshTestOptionsValidator("")}}, want{CertType: ssh.UserCert}, false},
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{"ok-opts-modifier", fields{signer, signer}, args{pub, provisioner.SSHOptions{}, []provisioner.SignOption{userOptions, sshTestOptionsModifier("")}}, want{CertType: ssh.UserCert}, false},
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{"fail-opts-type", fields{signer, signer}, args{pub, provisioner.SSHOptions{CertType: "foo"}, []provisioner.SignOption{}}, want{}, true},
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{"fail-cert-validator", fields{signer, signer}, args{pub, provisioner.SSHOptions{}, []provisioner.SignOption{userOptions, sshTestCertValidator("an error")}}, want{}, true},
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{"fail-cert-modifier", fields{signer, signer}, args{pub, provisioner.SSHOptions{}, []provisioner.SignOption{userOptions, sshTestCertModifier("an error")}}, want{}, true},
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{"fail-opts-validator", fields{signer, signer}, args{pub, provisioner.SSHOptions{}, []provisioner.SignOption{userOptions, sshTestOptionsValidator("an error")}}, want{}, true},
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{"fail-opts-modifier", fields{signer, signer}, args{pub, provisioner.SSHOptions{}, []provisioner.SignOption{userOptions, sshTestOptionsModifier("an error")}}, want{}, true},
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{"fail-bad-sign-options", fields{signer, signer}, args{pub, provisioner.SSHOptions{}, []provisioner.SignOption{userOptions, "wrong type"}}, want{}, true},
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{"fail-no-user-key", fields{nil, signer}, args{pub, provisioner.SSHOptions{CertType: "user"}, []provisioner.SignOption{}}, want{}, true},
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{"fail-no-host-key", fields{signer, nil}, args{pub, provisioner.SSHOptions{CertType: "host"}, []provisioner.SignOption{}}, want{}, true},
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{"fail-bad-type", fields{signer, nil}, args{pub, provisioner.SSHOptions{}, []provisioner.SignOption{sshTestModifier{CertType: 0}}}, want{}, true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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a := testAuthority(t)
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a.sshCAUserCertSignKey = tt.fields.sshCAUserCertSignKey
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a.sshCAHostCertSignKey = tt.fields.sshCAHostCertSignKey
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got, err := a.SignSSH(context.Background(), tt.args.key, tt.args.opts, tt.args.signOpts...)
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if (err != nil) != tt.wantErr {
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t.Errorf("Authority.SignSSH() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if err == nil && assert.NotNil(t, got) {
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assert.Equals(t, tt.want.CertType, got.CertType)
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assert.Equals(t, tt.want.Principals, got.ValidPrincipals)
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assert.Equals(t, tt.want.ValidAfter, got.ValidAfter)
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assert.Equals(t, tt.want.ValidBefore, got.ValidBefore)
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assert.NotNil(t, got.Key)
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assert.NotNil(t, got.Nonce)
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assert.NotEquals(t, 0, got.Serial)
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assert.NotNil(t, got.Signature)
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assert.NotNil(t, got.SignatureKey)
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}
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})
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}
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}
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func TestAuthority_SignSSHAddUser(t *testing.T) {
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key, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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assert.FatalError(t, err)
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pub, err := ssh.NewPublicKey(key.Public())
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assert.FatalError(t, err)
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signKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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assert.FatalError(t, err)
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signer, err := ssh.NewSignerFromKey(signKey)
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assert.FatalError(t, err)
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type fields struct {
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sshCAUserCertSignKey ssh.Signer
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sshCAHostCertSignKey ssh.Signer
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addUserPrincipal string
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addUserCommand string
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}
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type args struct {
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key ssh.PublicKey
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subject *ssh.Certificate
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}
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type want struct {
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CertType uint32
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Principals []string
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ValidAfter uint64
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ValidBefore uint64
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ForceCommand string
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}
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now := time.Now()
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validCert := &ssh.Certificate{
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CertType: ssh.UserCert,
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ValidPrincipals: []string{"user"},
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ValidAfter: uint64(now.Unix()),
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ValidBefore: uint64(now.Add(time.Hour).Unix()),
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}
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validWant := want{
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CertType: ssh.UserCert,
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Principals: []string{"provisioner"},
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ValidAfter: uint64(now.Unix()),
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ValidBefore: uint64(now.Add(time.Hour).Unix()),
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ForceCommand: "sudo useradd -m user; nc -q0 localhost 22",
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}
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tests := []struct {
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name string
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fields fields
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args args
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want want
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wantErr bool
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}{
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{"ok", fields{signer, signer, "", ""}, args{pub, validCert}, validWant, false},
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{"ok-no-host-key", fields{signer, nil, "", ""}, args{pub, validCert}, validWant, false},
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{"ok-custom-principal", fields{signer, signer, "my-principal", ""}, args{pub, &ssh.Certificate{CertType: ssh.UserCert, ValidPrincipals: []string{"user"}}}, want{CertType: ssh.UserCert, Principals: []string{"my-principal"}, ForceCommand: "sudo useradd -m user; nc -q0 localhost 22"}, false},
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{"ok-custom-command", fields{signer, signer, "", "foo <principal> <principal>"}, args{pub, &ssh.Certificate{CertType: ssh.UserCert, ValidPrincipals: []string{"user"}}}, want{CertType: ssh.UserCert, Principals: []string{"provisioner"}, ForceCommand: "foo user user"}, false},
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{"ok-custom-principal-and-command", fields{signer, signer, "my-principal", "foo <principal> <principal>"}, args{pub, &ssh.Certificate{CertType: ssh.UserCert, ValidPrincipals: []string{"user"}}}, want{CertType: ssh.UserCert, Principals: []string{"my-principal"}, ForceCommand: "foo user user"}, false},
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{"fail-no-user-key", fields{nil, signer, "", ""}, args{pub, validCert}, want{}, true},
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{"fail-no-user-cert", fields{signer, signer, "", ""}, args{pub, &ssh.Certificate{CertType: ssh.HostCert, ValidPrincipals: []string{"foo"}}}, want{}, true},
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{"fail-no-principals", fields{signer, signer, "", ""}, args{pub, &ssh.Certificate{CertType: ssh.UserCert, ValidPrincipals: []string{}}}, want{}, true},
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{"fail-many-principals", fields{signer, signer, "", ""}, args{pub, &ssh.Certificate{CertType: ssh.UserCert, ValidPrincipals: []string{"foo", "bar"}}}, want{}, true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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a := testAuthority(t)
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a.sshCAUserCertSignKey = tt.fields.sshCAUserCertSignKey
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a.sshCAHostCertSignKey = tt.fields.sshCAHostCertSignKey
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a.config.SSH = &SSHConfig{
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AddUserPrincipal: tt.fields.addUserPrincipal,
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AddUserCommand: tt.fields.addUserCommand,
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}
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got, err := a.SignSSHAddUser(context.Background(), tt.args.key, tt.args.subject)
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if (err != nil) != tt.wantErr {
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t.Errorf("Authority.SignSSHAddUser() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if err == nil && assert.NotNil(t, got) {
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assert.Equals(t, tt.want.CertType, got.CertType)
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assert.Equals(t, tt.want.Principals, got.ValidPrincipals)
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assert.Equals(t, tt.args.subject.ValidPrincipals[0]+"-"+tt.want.Principals[0], got.KeyId)
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assert.Equals(t, tt.want.ValidAfter, got.ValidAfter)
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assert.Equals(t, tt.want.ValidBefore, got.ValidBefore)
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assert.Equals(t, map[string]string{"force-command": tt.want.ForceCommand}, got.CriticalOptions)
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assert.Equals(t, nil, got.Extensions)
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assert.NotNil(t, got.Key)
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assert.NotNil(t, got.Nonce)
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assert.NotEquals(t, 0, got.Serial)
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assert.NotNil(t, got.Signature)
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assert.NotNil(t, got.SignatureKey)
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}
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})
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}
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}
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func TestAuthority_GetSSHRoots(t *testing.T) {
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key, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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assert.FatalError(t, err)
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user, err := ssh.NewPublicKey(key.Public())
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assert.FatalError(t, err)
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key, err = ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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assert.FatalError(t, err)
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host, err := ssh.NewPublicKey(key.Public())
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assert.FatalError(t, err)
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type fields struct {
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sshCAUserCerts []ssh.PublicKey
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sshCAHostCerts []ssh.PublicKey
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}
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tests := []struct {
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name string
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fields fields
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want *SSHKeys
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wantErr bool
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}{
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{"ok", fields{[]ssh.PublicKey{user}, []ssh.PublicKey{host}}, &SSHKeys{UserKeys: []ssh.PublicKey{user}, HostKeys: []ssh.PublicKey{host}}, false},
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{"nil", fields{}, &SSHKeys{}, false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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a := testAuthority(t)
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a.sshCAUserCerts = tt.fields.sshCAUserCerts
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a.sshCAHostCerts = tt.fields.sshCAHostCerts
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got, err := a.GetSSHRoots(context.Background())
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if (err != nil) != tt.wantErr {
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t.Errorf("Authority.GetSSHRoots() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("Authority.GetSSHRoots() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestAuthority_GetSSHFederation(t *testing.T) {
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key, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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assert.FatalError(t, err)
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user, err := ssh.NewPublicKey(key.Public())
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assert.FatalError(t, err)
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key, err = ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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assert.FatalError(t, err)
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host, err := ssh.NewPublicKey(key.Public())
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assert.FatalError(t, err)
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type fields struct {
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sshCAUserFederatedCerts []ssh.PublicKey
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sshCAHostFederatedCerts []ssh.PublicKey
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}
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tests := []struct {
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name string
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fields fields
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want *SSHKeys
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wantErr bool
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}{
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{"ok", fields{[]ssh.PublicKey{user}, []ssh.PublicKey{host}}, &SSHKeys{UserKeys: []ssh.PublicKey{user}, HostKeys: []ssh.PublicKey{host}}, false},
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{"nil", fields{}, &SSHKeys{}, false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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a := testAuthority(t)
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a.sshCAUserFederatedCerts = tt.fields.sshCAUserFederatedCerts
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a.sshCAHostFederatedCerts = tt.fields.sshCAHostFederatedCerts
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got, err := a.GetSSHFederation(context.Background())
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if (err != nil) != tt.wantErr {
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t.Errorf("Authority.GetSSHFederation() error = %v, wantErr %v", err, tt.wantErr)
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return
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}
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if !reflect.DeepEqual(got, tt.want) {
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t.Errorf("Authority.GetSSHFederation() = %v, want %v", got, tt.want)
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}
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})
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}
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}
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func TestAuthority_GetSSHConfig(t *testing.T) {
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key, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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assert.FatalError(t, err)
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user, err := ssh.NewPublicKey(key.Public())
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assert.FatalError(t, err)
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userSigner, err := ssh.NewSignerFromSigner(key)
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assert.FatalError(t, err)
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userB64 := base64.StdEncoding.EncodeToString(user.Marshal())
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key, err = ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
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assert.FatalError(t, err)
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host, err := ssh.NewPublicKey(key.Public())
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assert.FatalError(t, err)
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hostSigner, err := ssh.NewSignerFromSigner(key)
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assert.FatalError(t, err)
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hostB64 := base64.StdEncoding.EncodeToString(host.Marshal())
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|
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tmplConfig := &templates.Templates{
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SSH: &templates.SSHTemplates{
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User: []templates.Template{
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{Name: "known_host.tpl", Type: templates.File, TemplatePath: "./testdata/templates/known_hosts.tpl", Path: "ssh/known_host", Comment: "#"},
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},
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Host: []templates.Template{
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{Name: "ca.tpl", Type: templates.File, TemplatePath: "./testdata/templates/ca.tpl", Path: "/etc/ssh/ca.pub", Comment: "#"},
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},
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},
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Data: map[string]interface{}{
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"Step": &templates.Step{
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SSH: templates.StepSSH{
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UserKey: user,
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HostKey: host,
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},
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},
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},
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}
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userOutput := []templates.Output{
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{Name: "known_host.tpl", Type: templates.File, Comment: "#", Path: "ssh/known_host", Content: []byte(fmt.Sprintf("@cert-authority * %s %s", host.Type(), hostB64))},
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}
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hostOutput := []templates.Output{
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{Name: "ca.tpl", Type: templates.File, Comment: "#", Path: "/etc/ssh/ca.pub", Content: []byte(user.Type() + " " + userB64)},
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}
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|
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tmplConfigWithUserData := &templates.Templates{
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SSH: &templates.SSHTemplates{
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User: []templates.Template{
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{Name: "include.tpl", Type: templates.File, TemplatePath: "./testdata/templates/include.tpl", Path: "ssh/include", Comment: "#"},
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{Name: "config.tpl", Type: templates.File, TemplatePath: "./testdata/templates/config.tpl", Path: "ssh/config", Comment: "#"},
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},
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Host: []templates.Template{
|
|
{Name: "sshd_config.tpl", Type: templates.File, TemplatePath: "./testdata/templates/sshd_config.tpl", Path: "/etc/ssh/sshd_config", Comment: "#"},
|
|
},
|
|
},
|
|
Data: map[string]interface{}{
|
|
"Step": &templates.Step{
|
|
SSH: templates.StepSSH{
|
|
UserKey: user,
|
|
HostKey: host,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
userOutputWithUserData := []templates.Output{
|
|
{Name: "include.tpl", Type: templates.File, Comment: "#", Path: "ssh/include", Content: []byte("Host *\n\tInclude /home/user/.step/ssh/config")},
|
|
{Name: "config.tpl", Type: templates.File, Comment: "#", Path: "ssh/config", Content: []byte("Match exec \"step ssh check-host %h\"\n\tUserKnownHostsFile /home/user/.step/ssh/known_hosts\n\tProxyCommand step ssh proxycommand %r %h %p\n")},
|
|
}
|
|
hostOutputWithUserData := []templates.Output{
|
|
{Name: "sshd_config.tpl", Type: templates.File, Comment: "#", Path: "/etc/ssh/sshd_config", Content: []byte("TrustedUserCAKeys /etc/ssh/ca.pub\nHostCertificate /etc/ssh/ssh_host_ecdsa_key-cert.pub\nHostKey /etc/ssh/ssh_host_ecdsa_key")},
|
|
}
|
|
|
|
tmplConfigErr := &templates.Templates{
|
|
SSH: &templates.SSHTemplates{
|
|
User: []templates.Template{
|
|
{Name: "error.tpl", Type: templates.File, TemplatePath: "./testdata/templates/error.tpl", Path: "ssh/error", Comment: "#"},
|
|
},
|
|
Host: []templates.Template{
|
|
{Name: "error.tpl", Type: templates.File, TemplatePath: "./testdata/templates/error.tpl", Path: "ssh/error", Comment: "#"},
|
|
},
|
|
},
|
|
}
|
|
|
|
type fields struct {
|
|
templates *templates.Templates
|
|
userSigner ssh.Signer
|
|
hostSigner ssh.Signer
|
|
}
|
|
type args struct {
|
|
typ string
|
|
data map[string]string
|
|
}
|
|
tests := []struct {
|
|
name string
|
|
fields fields
|
|
args args
|
|
want []templates.Output
|
|
wantErr bool
|
|
}{
|
|
{"user", fields{tmplConfig, userSigner, hostSigner}, args{"user", nil}, userOutput, false},
|
|
{"user", fields{tmplConfig, userSigner, nil}, args{"user", nil}, userOutput, false},
|
|
{"host", fields{tmplConfig, userSigner, hostSigner}, args{"host", nil}, hostOutput, false},
|
|
{"host", fields{tmplConfig, nil, hostSigner}, args{"host", nil}, hostOutput, false},
|
|
{"userWithData", fields{tmplConfigWithUserData, userSigner, hostSigner}, args{"user", map[string]string{"StepPath": "/home/user/.step"}}, userOutputWithUserData, false},
|
|
{"hostWithData", fields{tmplConfigWithUserData, userSigner, hostSigner}, args{"host", map[string]string{"Certificate": "ssh_host_ecdsa_key-cert.pub", "Key": "ssh_host_ecdsa_key"}}, hostOutputWithUserData, false},
|
|
{"disabled", fields{tmplConfig, nil, nil}, args{"host", nil}, nil, true},
|
|
{"badType", fields{tmplConfig, userSigner, hostSigner}, args{"bad", nil}, nil, true},
|
|
{"userError", fields{tmplConfigErr, userSigner, hostSigner}, args{"user", nil}, nil, true},
|
|
{"hostError", fields{tmplConfigErr, userSigner, hostSigner}, args{"host", map[string]string{"Function": "foo"}}, nil, true},
|
|
{"noTemplates", fields{nil, userSigner, hostSigner}, args{"user", nil}, nil, true},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
a := testAuthority(t)
|
|
a.config.Templates = tt.fields.templates
|
|
a.sshCAUserCertSignKey = tt.fields.userSigner
|
|
a.sshCAHostCertSignKey = tt.fields.hostSigner
|
|
|
|
got, err := a.GetSSHConfig(context.Background(), tt.args.typ, tt.args.data)
|
|
if (err != nil) != tt.wantErr {
|
|
t.Errorf("Authority.GetSSHConfig() error = %v, wantErr %v", err, tt.wantErr)
|
|
return
|
|
}
|
|
if !reflect.DeepEqual(got, tt.want) {
|
|
t.Errorf("Authority.GetSSHConfig() = %v, want %v", got, tt.want)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestAuthority_CheckSSHHost(t *testing.T) {
|
|
type fields struct {
|
|
exists bool
|
|
err error
|
|
}
|
|
type args struct {
|
|
ctx context.Context
|
|
principal string
|
|
token string
|
|
}
|
|
tests := []struct {
|
|
name string
|
|
fields fields
|
|
args args
|
|
want bool
|
|
wantErr bool
|
|
}{
|
|
{"true", fields{true, nil}, args{context.Background(), "foo.internal.com", ""}, true, false},
|
|
{"false", fields{false, nil}, args{context.Background(), "foo.internal.com", ""}, false, false},
|
|
{"notImplemented", fields{false, db.ErrNotImplemented}, args{context.Background(), "foo.internal.com", ""}, false, true},
|
|
{"notImplemented", fields{true, db.ErrNotImplemented}, args{context.Background(), "foo.internal.com", ""}, false, true},
|
|
{"internal", fields{false, fmt.Errorf("an error")}, args{context.Background(), "foo.internal.com", ""}, false, true},
|
|
{"internal", fields{true, fmt.Errorf("an error")}, args{context.Background(), "foo.internal.com", ""}, false, true},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
a := testAuthority(t)
|
|
a.db = &db.MockAuthDB{
|
|
MIsSSHHost: func(_ string) (bool, error) {
|
|
return tt.fields.exists, tt.fields.err
|
|
},
|
|
}
|
|
got, err := a.CheckSSHHost(tt.args.ctx, tt.args.principal, tt.args.token)
|
|
if (err != nil) != tt.wantErr {
|
|
t.Errorf("Authority.CheckSSHHost() error = %v, wantErr %v", err, tt.wantErr)
|
|
return
|
|
}
|
|
if got != tt.want {
|
|
t.Errorf("Authority.CheckSSHHost() = %v, want %v", got, tt.want)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestSSHConfig_Validate(t *testing.T) {
|
|
key, err := jose.GenerateJWK("EC", "P-256", "", "sig", "", 0)
|
|
assert.FatalError(t, err)
|
|
|
|
tests := []struct {
|
|
name string
|
|
sshConfig *SSHConfig
|
|
wantErr bool
|
|
}{
|
|
{"nil", nil, false},
|
|
{"ok", &SSHConfig{Keys: []*SSHPublicKey{{Type: "user", Key: key.Public()}}}, false},
|
|
{"ok", &SSHConfig{Keys: []*SSHPublicKey{{Type: "host", Key: key.Public()}}}, false},
|
|
{"badType", &SSHConfig{Keys: []*SSHPublicKey{{Type: "bad", Key: key.Public()}}}, true},
|
|
{"badKey", &SSHConfig{Keys: []*SSHPublicKey{{Type: "user", Key: *key}}}, true},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
|
|
if err := tt.sshConfig.Validate(); (err != nil) != tt.wantErr {
|
|
t.Errorf("SSHConfig.Validate() error = %v, wantErr %v", err, tt.wantErr)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestSSHPublicKey_Validate(t *testing.T) {
|
|
key, err := jose.GenerateJWK("EC", "P-256", "", "sig", "", 0)
|
|
assert.FatalError(t, err)
|
|
|
|
type fields struct {
|
|
Type string
|
|
Federated bool
|
|
Key jose.JSONWebKey
|
|
}
|
|
tests := []struct {
|
|
name string
|
|
fields fields
|
|
wantErr bool
|
|
}{
|
|
{"user", fields{"user", true, key.Public()}, false},
|
|
{"host", fields{"host", false, key.Public()}, false},
|
|
{"empty", fields{"", true, key.Public()}, true},
|
|
{"badType", fields{"bad", false, key.Public()}, true},
|
|
{"badKey", fields{"user", false, *key}, true},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
k := &SSHPublicKey{
|
|
Type: tt.fields.Type,
|
|
Federated: tt.fields.Federated,
|
|
Key: tt.fields.Key,
|
|
}
|
|
if err := k.Validate(); (err != nil) != tt.wantErr {
|
|
t.Errorf("SSHPublicKey.Validate() error = %v, wantErr %v", err, tt.wantErr)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestSSHPublicKey_PublicKey(t *testing.T) {
|
|
key, err := jose.GenerateJWK("EC", "P-256", "", "sig", "", 0)
|
|
assert.FatalError(t, err)
|
|
pub, err := ssh.NewPublicKey(key.Public().Key)
|
|
assert.FatalError(t, err)
|
|
|
|
type fields struct {
|
|
publicKey ssh.PublicKey
|
|
}
|
|
tests := []struct {
|
|
name string
|
|
fields fields
|
|
want ssh.PublicKey
|
|
}{
|
|
{"ok", fields{pub}, pub},
|
|
{"nil", fields{nil}, nil},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
k := &SSHPublicKey{
|
|
publicKey: tt.fields.publicKey,
|
|
}
|
|
if got := k.PublicKey(); !reflect.DeepEqual(got, tt.want) {
|
|
t.Errorf("SSHPublicKey.PublicKey() = %v, want %v", got, tt.want)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestAuthority_GetSSHBastion(t *testing.T) {
|
|
bastion := &Bastion{
|
|
Hostname: "bastion.local",
|
|
Port: "2222",
|
|
}
|
|
type fields struct {
|
|
config *Config
|
|
sshBastionFunc func(ctx context.Context, user, hostname string) (*Bastion, error)
|
|
}
|
|
type args struct {
|
|
user string
|
|
hostname string
|
|
}
|
|
tests := []struct {
|
|
name string
|
|
fields fields
|
|
args args
|
|
want *Bastion
|
|
wantErr bool
|
|
}{
|
|
{"config", fields{&Config{SSH: &SSHConfig{Bastion: bastion}}, nil}, args{"user", "host.local"}, bastion, false},
|
|
{"nil", fields{&Config{SSH: &SSHConfig{Bastion: nil}}, nil}, args{"user", "host.local"}, nil, false},
|
|
{"empty", fields{&Config{SSH: &SSHConfig{Bastion: &Bastion{}}}, nil}, args{"user", "host.local"}, nil, false},
|
|
{"func", fields{&Config{}, func(_ context.Context, _, _ string) (*Bastion, error) { return bastion, nil }}, args{"user", "host.local"}, bastion, false},
|
|
{"func err", fields{&Config{}, func(_ context.Context, _, _ string) (*Bastion, error) { return nil, errors.New("foo") }}, args{"user", "host.local"}, nil, true},
|
|
{"error", fields{&Config{SSH: nil}, nil}, args{"user", "host.local"}, nil, true},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
a := &Authority{
|
|
config: tt.fields.config,
|
|
sshBastionFunc: tt.fields.sshBastionFunc,
|
|
}
|
|
got, err := a.GetSSHBastion(context.Background(), tt.args.user, tt.args.hostname)
|
|
if (err != nil) != tt.wantErr {
|
|
t.Errorf("Authority.GetSSHBastion() error = %v, wantErr %v", err, tt.wantErr)
|
|
return
|
|
} else if err != nil {
|
|
_, ok := err.(errs.StatusCoder)
|
|
assert.Fatal(t, ok, "error does not implement StatusCoder interface")
|
|
}
|
|
if !reflect.DeepEqual(got, tt.want) {
|
|
t.Errorf("Authority.GetSSHBastion() = %v, want %v", got, tt.want)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestAuthority_GetSSHHosts(t *testing.T) {
|
|
a := testAuthority(t)
|
|
|
|
type test struct {
|
|
getHostsFunc func(context.Context, *x509.Certificate) ([]sshutil.Host, error)
|
|
auth *Authority
|
|
cert *x509.Certificate
|
|
cmp func(got []sshutil.Host)
|
|
err error
|
|
code int
|
|
}
|
|
tests := map[string]func(t *testing.T) *test{
|
|
"fail/getHostsFunc-fail": func(t *testing.T) *test {
|
|
return &test{
|
|
getHostsFunc: func(ctx context.Context, cert *x509.Certificate) ([]sshutil.Host, error) {
|
|
return nil, errors.New("force")
|
|
},
|
|
cert: &x509.Certificate{},
|
|
err: errors.New("getSSHHosts: force"),
|
|
code: http.StatusInternalServerError,
|
|
}
|
|
},
|
|
"ok/getHostsFunc-defined": func(t *testing.T) *test {
|
|
hosts := []sshutil.Host{
|
|
{HostID: "1", Hostname: "foo"},
|
|
{HostID: "2", Hostname: "bar"},
|
|
}
|
|
|
|
return &test{
|
|
getHostsFunc: func(ctx context.Context, cert *x509.Certificate) ([]sshutil.Host, error) {
|
|
return hosts, nil
|
|
},
|
|
cert: &x509.Certificate{},
|
|
cmp: func(got []sshutil.Host) {
|
|
assert.Equals(t, got, hosts)
|
|
},
|
|
}
|
|
},
|
|
"fail/db-get-fail": func(t *testing.T) *test {
|
|
return &test{
|
|
auth: testAuthority(t, WithDatabase(&db.MockAuthDB{
|
|
MGetSSHHostPrincipals: func() ([]string, error) {
|
|
return nil, errors.New("force")
|
|
},
|
|
})),
|
|
cert: &x509.Certificate{},
|
|
err: errors.New("getSSHHosts: force"),
|
|
code: http.StatusInternalServerError,
|
|
}
|
|
},
|
|
"ok": func(t *testing.T) *test {
|
|
return &test{
|
|
auth: testAuthority(t, WithDatabase(&db.MockAuthDB{
|
|
MGetSSHHostPrincipals: func() ([]string, error) {
|
|
return []string{"foo", "bar"}, nil
|
|
},
|
|
})),
|
|
cert: &x509.Certificate{},
|
|
cmp: func(got []sshutil.Host) {
|
|
assert.Equals(t, got, []sshutil.Host{
|
|
{Hostname: "foo"},
|
|
{Hostname: "bar"},
|
|
})
|
|
},
|
|
}
|
|
},
|
|
}
|
|
for name, genTestCase := range tests {
|
|
t.Run(name, func(t *testing.T) {
|
|
tc := genTestCase(t)
|
|
|
|
auth := tc.auth
|
|
if auth == nil {
|
|
auth = a
|
|
}
|
|
auth.sshGetHostsFunc = tc.getHostsFunc
|
|
|
|
hosts, err := auth.GetSSHHosts(context.Background(), tc.cert)
|
|
if err != nil {
|
|
if assert.NotNil(t, tc.err) {
|
|
sc, ok := err.(errs.StatusCoder)
|
|
assert.Fatal(t, ok, "error does not implement StatusCoder interface")
|
|
assert.Equals(t, sc.StatusCode(), tc.code)
|
|
assert.HasPrefix(t, err.Error(), tc.err.Error())
|
|
}
|
|
} else {
|
|
if assert.Nil(t, tc.err) {
|
|
tc.cmp(hosts)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestAuthority_RekeySSH(t *testing.T) {
|
|
key, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
|
|
assert.FatalError(t, err)
|
|
pub, err := ssh.NewPublicKey(key.Public())
|
|
assert.FatalError(t, err)
|
|
signKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
|
|
assert.FatalError(t, err)
|
|
signer, err := ssh.NewSignerFromKey(signKey)
|
|
assert.FatalError(t, err)
|
|
|
|
userOptions := sshTestModifier{
|
|
CertType: ssh.UserCert,
|
|
}
|
|
|
|
now := time.Now().UTC()
|
|
|
|
a := testAuthority(t)
|
|
|
|
type test struct {
|
|
auth *Authority
|
|
userSigner ssh.Signer
|
|
hostSigner ssh.Signer
|
|
cert *ssh.Certificate
|
|
key ssh.PublicKey
|
|
signOpts []provisioner.SignOption
|
|
cmpResult func(old, n *ssh.Certificate)
|
|
err error
|
|
code int
|
|
}
|
|
tests := map[string]func(t *testing.T) *test{
|
|
"fail/opts-type": func(t *testing.T) *test {
|
|
return &test{
|
|
userSigner: signer,
|
|
hostSigner: signer,
|
|
key: pub,
|
|
signOpts: []provisioner.SignOption{userOptions},
|
|
err: errors.New("rekeySSH; invalid extra option type"),
|
|
code: http.StatusInternalServerError,
|
|
}
|
|
},
|
|
"fail/old-cert-validAfter": func(t *testing.T) *test {
|
|
return &test{
|
|
userSigner: signer,
|
|
hostSigner: signer,
|
|
cert: &ssh.Certificate{},
|
|
key: pub,
|
|
signOpts: []provisioner.SignOption{},
|
|
err: errors.New("rekeySSH; cannot rekey certificate without validity period"),
|
|
code: http.StatusBadRequest,
|
|
}
|
|
},
|
|
"fail/old-cert-validBefore": func(t *testing.T) *test {
|
|
return &test{
|
|
userSigner: signer,
|
|
hostSigner: signer,
|
|
cert: &ssh.Certificate{ValidAfter: uint64(now.Unix())},
|
|
key: pub,
|
|
signOpts: []provisioner.SignOption{},
|
|
err: errors.New("rekeySSH; cannot rekey certificate without validity period"),
|
|
code: http.StatusBadRequest,
|
|
}
|
|
},
|
|
"fail/old-cert-no-user-key": func(t *testing.T) *test {
|
|
return &test{
|
|
userSigner: nil,
|
|
hostSigner: signer,
|
|
cert: &ssh.Certificate{ValidAfter: uint64(now.Unix()), ValidBefore: uint64(now.Add(10 * time.Minute).Unix()), CertType: ssh.UserCert},
|
|
key: pub,
|
|
signOpts: []provisioner.SignOption{},
|
|
err: errors.New("rekeySSH; user certificate signing is not enabled"),
|
|
code: http.StatusNotImplemented,
|
|
}
|
|
},
|
|
"fail/old-cert-no-host-key": func(t *testing.T) *test {
|
|
return &test{
|
|
userSigner: signer,
|
|
hostSigner: nil,
|
|
cert: &ssh.Certificate{ValidAfter: uint64(now.Unix()), ValidBefore: uint64(now.Add(10 * time.Minute).Unix()), CertType: ssh.HostCert},
|
|
key: pub,
|
|
signOpts: []provisioner.SignOption{},
|
|
err: errors.New("rekeySSH; host certificate signing is not enabled"),
|
|
code: http.StatusNotImplemented,
|
|
}
|
|
},
|
|
"fail/unexpected-old-cert-type": func(t *testing.T) *test {
|
|
return &test{
|
|
userSigner: signer,
|
|
hostSigner: signer,
|
|
cert: &ssh.Certificate{ValidAfter: uint64(now.Unix()), ValidBefore: uint64(now.Add(10 * time.Minute).Unix()), CertType: 0},
|
|
key: pub,
|
|
signOpts: []provisioner.SignOption{},
|
|
err: errors.New("rekeySSH; unexpected ssh certificate type: 0"),
|
|
code: http.StatusBadRequest,
|
|
}
|
|
},
|
|
"fail/db-store": func(t *testing.T) *test {
|
|
return &test{
|
|
auth: testAuthority(t, WithDatabase(&db.MockAuthDB{
|
|
MStoreSSHCertificate: func(cert *ssh.Certificate) error {
|
|
return errors.New("force")
|
|
},
|
|
})),
|
|
userSigner: signer,
|
|
hostSigner: nil,
|
|
cert: &ssh.Certificate{ValidAfter: uint64(now.Unix()), ValidBefore: uint64(now.Add(10 * time.Minute).Unix()), CertType: ssh.UserCert},
|
|
key: pub,
|
|
signOpts: []provisioner.SignOption{},
|
|
err: errors.New("rekeySSH; error storing certificate in db: force"),
|
|
code: http.StatusInternalServerError,
|
|
}
|
|
},
|
|
"ok": func(t *testing.T) *test {
|
|
va1 := now.Add(-24 * time.Hour)
|
|
vb1 := now.Add(-23 * time.Hour)
|
|
return &test{
|
|
userSigner: signer,
|
|
hostSigner: nil,
|
|
cert: &ssh.Certificate{
|
|
ValidAfter: uint64(va1.Unix()),
|
|
ValidBefore: uint64(vb1.Unix()),
|
|
CertType: ssh.UserCert,
|
|
ValidPrincipals: []string{"foo", "bar"},
|
|
KeyId: "foo",
|
|
},
|
|
key: pub,
|
|
signOpts: []provisioner.SignOption{},
|
|
cmpResult: func(old, n *ssh.Certificate) {
|
|
assert.Equals(t, n.CertType, old.CertType)
|
|
assert.Equals(t, n.ValidPrincipals, old.ValidPrincipals)
|
|
assert.Equals(t, n.KeyId, old.KeyId)
|
|
|
|
assert.True(t, n.ValidAfter > uint64(now.Add(-5*time.Minute).Unix()))
|
|
assert.True(t, n.ValidAfter < uint64(now.Add(5*time.Minute).Unix()))
|
|
|
|
l8r := now.Add(1 * time.Hour)
|
|
assert.True(t, n.ValidBefore > uint64(l8r.Add(-5*time.Minute).Unix()))
|
|
assert.True(t, n.ValidBefore < uint64(l8r.Add(5*time.Minute).Unix()))
|
|
},
|
|
}
|
|
},
|
|
}
|
|
for name, genTestCase := range tests {
|
|
t.Run(name, func(t *testing.T) {
|
|
tc := genTestCase(t)
|
|
|
|
auth := tc.auth
|
|
if auth == nil {
|
|
auth = a
|
|
}
|
|
a.sshCAUserCertSignKey = tc.userSigner
|
|
a.sshCAHostCertSignKey = tc.hostSigner
|
|
|
|
cert, err := auth.RekeySSH(context.Background(), tc.cert, tc.key, tc.signOpts...)
|
|
if err != nil {
|
|
if assert.NotNil(t, tc.err) {
|
|
sc, ok := err.(errs.StatusCoder)
|
|
assert.Fatal(t, ok, "error does not implement StatusCoder interface")
|
|
assert.Equals(t, sc.StatusCode(), tc.code)
|
|
assert.HasPrefix(t, err.Error(), tc.err.Error())
|
|
}
|
|
} else {
|
|
if assert.Nil(t, tc.err) {
|
|
tc.cmpResult(tc.cert, cert)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestIsValidForAddUser(t *testing.T) {
|
|
type args struct {
|
|
cert *ssh.Certificate
|
|
}
|
|
tests := []struct {
|
|
name string
|
|
args args
|
|
wantErr bool
|
|
}{
|
|
{"ok", args{&ssh.Certificate{CertType: ssh.UserCert, ValidPrincipals: []string{"john"}}}, false},
|
|
{"ok oidc", args{&ssh.Certificate{CertType: ssh.UserCert, ValidPrincipals: []string{"jane", "jane@smallstep.com"}}}, false},
|
|
{"fail at", args{&ssh.Certificate{CertType: ssh.UserCert, ValidPrincipals: []string{"jane", "@smallstep.com"}}}, true},
|
|
{"fail host", args{&ssh.Certificate{CertType: ssh.HostCert, ValidPrincipals: []string{"john"}}}, true},
|
|
{"fail principals", args{&ssh.Certificate{CertType: ssh.UserCert, ValidPrincipals: []string{"john", "jane"}}}, true},
|
|
{"fail no principals", args{&ssh.Certificate{CertType: ssh.UserCert, ValidPrincipals: []string{}}}, true},
|
|
{"fail extra principals", args{&ssh.Certificate{CertType: ssh.UserCert, ValidPrincipals: []string{"john", "jane", "doe"}}}, true},
|
|
}
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
if err := IsValidForAddUser(tt.args.cert); (err != nil) != tt.wantErr {
|
|
t.Errorf("IsValidForAddUser() error = %v, wantErr %v", err, tt.wantErr)
|
|
}
|
|
})
|
|
}
|
|
}
|