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Remove unused certificate validators and modifiers

Browse Source 
With the introduction of certificate templates some certificate
validators and modifiers are not used anymore. This commit deletes the
ones that are not used.
pull/1336/head
Mariano Cano 1 year ago
parent 390acab7d0
commit ac35f3489c
No known key found for this signature in database
6 changed files with 0 additions and 396 deletions
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2
authority/provisioner/oidc_test.go
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@ -338,8 +338,6 @@ func TestOIDC_AuthorizeSign(t *testing.T) {
case *validityValidator:
assert.Equals(t, v.min, tt.prov.ctl.Claimer.MinTLSCertDuration())
assert.Equals(t, v.max, tt.prov.ctl.Claimer.MaxTLSCertDuration())
case emailOnlyIdentity:
assert.Equals(t, string(v), "name@smallstep.com")
case *x509NamePolicyValidator:
assert.Equals(t, nil, v.policyEngine)
case *WebhookController:

25
authority/provisioner/sign_options.go
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@ -83,31 +83,6 @@ type AttestationData struct {
PermanentIdentifier string
}
// emailOnlyIdentity is a CertificateRequestValidator that checks that the only
// SAN provided is the given email address.
type emailOnlyIdentity string
func (e emailOnlyIdentity) Valid(req *x509.CertificateRequest) error {
switch {
case len(req.DNSNames) > 0:
return errs.Forbidden("certificate request cannot contain DNS names")
case len(req.IPAddresses) > 0:
return errs.Forbidden("certificate request cannot contain IP addresses")
case len(req.URIs) > 0:
return errs.Forbidden("certificate request cannot contain URIs")
case len(req.EmailAddresses) == 0:
return errs.Forbidden("certificate request does not contain any email address")
case len(req.EmailAddresses) > 1:
return errs.Forbidden("certificate request contains too many email addresses")
case req.EmailAddresses[0] == "":
return errs.Forbidden("certificate request cannot contain an empty email address")
case req.EmailAddresses[0] != string(e):
return errs.Forbidden("certificate request does not contain the valid email address - got %s, want %s", req.EmailAddresses[0], e)
default:
return nil
}
}
// defaultPublicKeyValidator validates the public key of a certificate request.
type defaultPublicKeyValidator struct{}

32
authority/provisioner/sign_options_test.go
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@ -16,38 +16,6 @@ import (
"go.step.sm/crypto/pemutil"
)
func Test_emailOnlyIdentity_Valid(t *testing.T) {
uri, err := url.Parse("https://example.com/1.0/getUser")
if err != nil {
t.Fatal(err)
}
type args struct {
req *x509.CertificateRequest
}
tests := []struct {
name string
e emailOnlyIdentity
args args
wantErr bool
}{
{"ok", "name@smallstep.com", args{&x509.CertificateRequest{EmailAddresses: []string{"name@smallstep.com"}}}, false},
{"DNSNames", "name@smallstep.com", args{&x509.CertificateRequest{DNSNames: []string{"foo.bar.zar"}}}, true},
{"IPAddresses", "name@smallstep.com", args{&x509.CertificateRequest{IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1)}}}, true},
{"URIs", "name@smallstep.com", args{&x509.CertificateRequest{URIs: []*url.URL{uri}}}, true},
{"no-emails", "name@smallstep.com", args{&x509.CertificateRequest{EmailAddresses: []string{}}}, true},
{"empty-email", "", args{&x509.CertificateRequest{EmailAddresses: []string{""}}}, true},
{"multiple-emails", "name@smallstep.com", args{&x509.CertificateRequest{EmailAddresses: []string{"name@smallstep.com", "foo@smallstep.com"}}}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if err := tt.e.Valid(tt.args.req); (err != nil) != tt.wantErr {
t.Errorf("emailOnlyIdentity.Valid() error = %v, wantErr %v", err, tt.wantErr)
}
})
}
}
func Test_defaultPublicKeyValidator_Valid(t *testing.T) {
_shortRSA, err := pemutil.Read("./testdata/certs/short-rsa.csr")
assert.FatalError(t, err)

74
authority/provisioner/sign_ssh_options.go
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@ -125,35 +125,6 @@ func (o SignSSHOptions) match(got SignSSHOptions) error {
return nil
}
// sshCertPrincipalsModifier is an SSHCertModifier that sets the
// principals to the SSH certificate.
type sshCertPrincipalsModifier []string
// Modify the ValidPrincipals value of the cert.
func (o sshCertPrincipalsModifier) Modify(cert *ssh.Certificate, _ SignSSHOptions) error {
cert.ValidPrincipals = []string(o)
return nil
}
// sshCertKeyIDModifier is an SSHCertModifier that sets the given
// Key ID in the SSH certificate.
type sshCertKeyIDModifier string
func (m sshCertKeyIDModifier) Modify(cert *ssh.Certificate, _ SignSSHOptions) error {
cert.KeyId = string(m)
return nil
}
// sshCertTypeModifier is an SSHCertModifier that sets the
// certificate type.
type sshCertTypeModifier string
// Modify sets the CertType for the ssh certificate.
func (m sshCertTypeModifier) Modify(cert *ssh.Certificate, _ SignSSHOptions) error {
cert.CertType = sshCertTypeUInt32(string(m))
return nil
}
// sshCertValidAfterModifier is an SSHCertModifier that sets the
// ValidAfter in the SSH certificate.
type sshCertValidAfterModifier uint64
@ -172,51 +143,6 @@ func (m sshCertValidBeforeModifier) Modify(cert *ssh.Certificate, _ SignSSHOptio
return nil
}
// sshCertDefaultsModifier implements a SSHCertModifier that
// modifies the certificate with the given options if they are not set.
type sshCertDefaultsModifier SignSSHOptions
// Modify implements the SSHCertModifier interface.
func (m sshCertDefaultsModifier) Modify(cert *ssh.Certificate, _ SignSSHOptions) error {
if cert.CertType == 0 {
cert.CertType = sshCertTypeUInt32(m.CertType)
}
if len(cert.ValidPrincipals) == 0 {
cert.ValidPrincipals = m.Principals
}
if cert.ValidAfter == 0 && !m.ValidAfter.IsZero() {
cert.ValidAfter = uint64(m.ValidAfter.Unix())
}
if cert.ValidBefore == 0 && !m.ValidBefore.IsZero() {
cert.ValidBefore = uint64(m.ValidBefore.Unix())
}
return nil
}
// sshDefaultExtensionModifier implements an SSHCertModifier that sets
// the default extensions in an SSH certificate.
type sshDefaultExtensionModifier struct{}
func (m *sshDefaultExtensionModifier) Modify(cert *ssh.Certificate, _ SignSSHOptions) error {
switch cert.CertType {
// Default to no extensions for HostCert.
case ssh.HostCert:
return nil
case ssh.UserCert:
if cert.Extensions == nil {
cert.Extensions = make(map[string]string)
}
cert.Extensions["permit-X11-forwarding"] = ""
cert.Extensions["permit-agent-forwarding"] = ""
cert.Extensions["permit-port-forwarding"] = ""
cert.Extensions["permit-pty"] = ""
cert.Extensions["permit-user-rc"] = ""
return nil
default:
return errs.BadRequest("ssh certificate has an unknown type '%d'", cert.CertType)
}
}
// sshDefaultDuration is an SSHCertModifier that sets the certificate
// ValidAfter and ValidBefore if they have not been set. It will fail if a
// CertType has not been set or is not valid.

261
authority/provisioner/sign_ssh_options_test.go
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@ -202,97 +202,6 @@ func TestSSHOptions_Match(t *testing.T) {
}
}
func Test_sshCertPrincipalsModifier_Modify(t *testing.T) {
type test struct {
modifier sshCertPrincipalsModifier
cert *ssh.Certificate
expected []string
}
tests := map[string]func() test{
"ok": func() test {
a := []string{"foo", "bar"}
return test{
modifier: sshCertPrincipalsModifier(a),
cert: new(ssh.Certificate),
expected: a,
}
},
}
for name, run := range tests {
t.Run(name, func(t *testing.T) {
tc := run()
if assert.Nil(t, tc.modifier.Modify(tc.cert, SignSSHOptions{})) {
assert.Equals(t, tc.cert.ValidPrincipals, tc.expected)
}
})
}
}
func Test_sshCertKeyIDModifier_Modify(t *testing.T) {
type test struct {
modifier sshCertKeyIDModifier
cert *ssh.Certificate
expected string
}
tests := map[string]func() test{
"ok": func() test {
a := "foo"
return test{
modifier: sshCertKeyIDModifier(a),
cert: new(ssh.Certificate),
expected: a,
}
},
}
for name, run := range tests {
t.Run(name, func(t *testing.T) {
tc := run()
if assert.Nil(t, tc.modifier.Modify(tc.cert, SignSSHOptions{})) {
assert.Equals(t, tc.cert.KeyId, tc.expected)
}
})
}
}
func Test_sshCertTypeModifier_Modify(t *testing.T) {
type test struct {
modifier sshCertTypeModifier
cert *ssh.Certificate
expected uint32
}
tests := map[string]func() test{
"ok/user": func() test {
return test{
modifier: sshCertTypeModifier("user"),
cert: new(ssh.Certificate),
expected: ssh.UserCert,
}
},
"ok/host": func() test {
return test{
modifier: sshCertTypeModifier("host"),
cert: new(ssh.Certificate),
expected: ssh.HostCert,
}
},
"ok/default": func() test {
return test{
modifier: sshCertTypeModifier("foo"),
cert: new(ssh.Certificate),
expected: 0,
}
},
}
for name, run := range tests {
t.Run(name, func(t *testing.T) {
tc := run()
if assert.Nil(t, tc.modifier.Modify(tc.cert, SignSSHOptions{})) {
assert.Equals(t, tc.cert.CertType, tc.expected)
}
})
}
}
func Test_sshCertValidAfterModifier_Modify(t *testing.T) {
type test struct {
modifier sshCertValidAfterModifier
@ -318,176 +227,6 @@ func Test_sshCertValidAfterModifier_Modify(t *testing.T) {
}
}
func Test_sshCertDefaultsModifier_Modify(t *testing.T) {
type test struct {
modifier sshCertDefaultsModifier
cert *ssh.Certificate
valid func(*ssh.Certificate)
}
tests := map[string]func() test{
"ok/changes": func() test {
n := time.Now()
va := NewTimeDuration(n.Add(1 * time.Minute))
vb := NewTimeDuration(n.Add(5 * time.Minute))
so := SignSSHOptions{
Principals: []string{"foo", "bar"},
CertType: "host",
ValidAfter: va,
ValidBefore: vb,
}
return test{
modifier: sshCertDefaultsModifier(so),
cert: new(ssh.Certificate),
valid: func(cert *ssh.Certificate) {
assert.Equals(t, cert.ValidPrincipals, so.Principals)
assert.Equals(t, cert.CertType, uint32(ssh.HostCert))
assert.Equals(t, cert.ValidAfter, uint64(so.ValidAfter.RelativeTime(time.Now()).Unix()))
assert.Equals(t, cert.ValidBefore, uint64(so.ValidBefore.RelativeTime(time.Now()).Unix()))
},
}
},
"ok/no-changes": func() test {
n := time.Now()
so := SignSSHOptions{
Principals: []string{"foo", "bar"},
CertType: "host",
ValidAfter: NewTimeDuration(n.Add(15 * time.Minute)),
ValidBefore: NewTimeDuration(n.Add(25 * time.Minute)),
}
return test{
modifier: sshCertDefaultsModifier(so),
cert: &ssh.Certificate{
CertType: uint32(ssh.UserCert),
ValidPrincipals: []string{"zap", "zoop"},
ValidAfter: 15,
ValidBefore: 25,
},
valid: func(cert *ssh.Certificate) {
assert.Equals(t, cert.ValidPrincipals, []string{"zap", "zoop"})
assert.Equals(t, cert.CertType, uint32(ssh.UserCert))
assert.Equals(t, cert.ValidAfter, uint64(15))
assert.Equals(t, cert.ValidBefore, uint64(25))
},
}
},
}
for name, run := range tests {
t.Run(name, func(t *testing.T) {
tc := run()
if assert.Nil(t, tc.modifier.Modify(tc.cert, SignSSHOptions{})) {
tc.valid(tc.cert)
}
})
}
}
func Test_sshDefaultExtensionModifier_Modify(t *testing.T) {
type test struct {
modifier sshDefaultExtensionModifier
cert *ssh.Certificate
valid func(*ssh.Certificate)
err error
}
tests := map[string]func() test{
"fail/unexpected-cert-type": func() test {
cert := &ssh.Certificate{CertType: 3}
return test{
modifier: sshDefaultExtensionModifier{},
cert: cert,
err: errors.New("ssh certificate has an unknown type '3'"),
}
},
"ok/host": func() test {
cert := &ssh.Certificate{CertType: ssh.HostCert}
return test{
modifier: sshDefaultExtensionModifier{},
cert: cert,
valid: func(cert *ssh.Certificate) {
assert.Len(t, 0, cert.Extensions)
},
}
},
"ok/user/extensions-exists": func() test {
cert := &ssh.Certificate{CertType: ssh.UserCert, Permissions: ssh.Permissions{Extensions: map[string]string{
"foo": "bar",
}}}
return test{
modifier: sshDefaultExtensionModifier{},
cert: cert,
valid: func(cert *ssh.Certificate) {
val, ok := cert.Extensions["foo"]
assert.True(t, ok)
assert.Equals(t, val, "bar")
val, ok = cert.Extensions["permit-X11-forwarding"]
assert.True(t, ok)
assert.Equals(t, val, "")
val, ok = cert.Extensions["permit-agent-forwarding"]
assert.True(t, ok)
assert.Equals(t, val, "")
val, ok = cert.Extensions["permit-port-forwarding"]
assert.True(t, ok)
assert.Equals(t, val, "")
val, ok = cert.Extensions["permit-pty"]
assert.True(t, ok)
assert.Equals(t, val, "")
val, ok = cert.Extensions["permit-user-rc"]
assert.True(t, ok)
assert.Equals(t, val, "")
},
}
},
"ok/user/no-extensions": func() test {
return test{
modifier: sshDefaultExtensionModifier{},
cert: &ssh.Certificate{CertType: ssh.UserCert},
valid: func(cert *ssh.Certificate) {
_, ok := cert.Extensions["foo"]
assert.False(t, ok)
val, ok := cert.Extensions["permit-X11-forwarding"]
assert.True(t, ok)
assert.Equals(t, val, "")
val, ok = cert.Extensions["permit-agent-forwarding"]
assert.True(t, ok)
assert.Equals(t, val, "")
val, ok = cert.Extensions["permit-port-forwarding"]
assert.True(t, ok)
assert.Equals(t, val, "")
val, ok = cert.Extensions["permit-pty"]
assert.True(t, ok)
assert.Equals(t, val, "")
val, ok = cert.Extensions["permit-user-rc"]
assert.True(t, ok)
assert.Equals(t, val, "")
},
}
},
}
for name, run := range tests {
t.Run(name, func(t *testing.T) {
tc := run()
if err := tc.modifier.Modify(tc.cert, SignSSHOptions{}); err != nil {
if assert.NotNil(t, tc.err) {
assert.HasPrefix(t, err.Error(), tc.err.Error())
}
} else {
if assert.Nil(t, tc.err) {
tc.valid(tc.cert)
}
}
})
}
}
func Test_sshCertDefaultValidator_Valid(t *testing.T) {
pub, _, err := keyutil.GenerateDefaultKeyPair()
assert.FatalError(t, err)

2
authority/provisioner/x5c_test.go
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@ -790,8 +790,6 @@ func TestX5C_AuthorizeSSHSign(t *testing.T) {
assert.Equals(t, int64(v), tc.claims.Step.SSH.ValidAfter.RelativeTime(nw).Unix())
case sshCertValidBeforeModifier:
assert.Equals(t, int64(v), tc.claims.Step.SSH.ValidBefore.RelativeTime(nw).Unix())
case sshCertDefaultsModifier:
assert.Equals(t, SignSSHOptions(v), SignSSHOptions{CertType: SSHUserCert})
case *sshLimitDuration:
assert.Equals(t, v.Claimer, tc.p.ctl.Claimer)
assert.Equals(t, v.NotAfter, x5cCerts[0].NotAfter)

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