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Update AllowWildcardNames configuration name

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This commit is contained in:
Herman Slatman 2022-04-29 15:08:19 +02:00
parent 2b7f6931f3
commit d82e51b748
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GPG key ID: F4D8A44EA0A75A4F
12 changed files with 94 additions and 83 deletions
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25
acme/account.go
View file

@ -53,8 +53,9 @@ type PolicyNames struct {
// X509Policy contains ACME account level X.509 policy
type X509Policy struct {
Allowed PolicyNames `json:"allow"`
Denied PolicyNames `json:"deny"`
Allowed PolicyNames `json:"allow"`
Denied PolicyNames `json:"deny"`
AllowWildcardNames bool `json:"allowWildcardNames"`
}
// Policy is an ACME Account level policy
@ -81,18 +82,14 @@ func (p *Policy) GetDeniedNameOptions() *policy.X509NameOptions {
}
}
// IsWildcardLiteralAllowed returns true by default for
// ACME account policies, as authorization is performed on DNS
// level.
func (p *Policy) IsWildcardLiteralAllowed() bool {
return true
}
// ShouldVerifySubjectCommonName returns true by default
// for ACME account policies, as this is embedded in the
// protocol.
func (p *Policy) ShouldVerifyCommonName() bool {
return true
// AreWildcardNamesAllowed returns if wildcard names
// like *.example.com are allowed to be signed.
// Defaults to false.
func (p *Policy) AreWildcardNamesAllowed() bool {
if p == nil {
return false
}
return p.X509.AllowWildcardNames
}
// ExternalAccountKey is an ACME External Account Binding key.

2
authority/admin/api/acme.go
View file

@ -109,6 +109,7 @@ func eakToLinked(k *acme.ExternalAccountKey) *linkedca.EABKey {
eak.Policy.X509.Allow.Ips = k.Policy.X509.Allowed.IPRanges
eak.Policy.X509.Deny.Dns = k.Policy.X509.Denied.DNSNames
eak.Policy.X509.Deny.Ips = k.Policy.X509.Denied.IPRanges
eak.Policy.X509.AllowWildcardNames = k.Policy.X509.AllowWildcardNames
}
return eak
@ -143,6 +144,7 @@ func linkedEAKToCertificates(k *linkedca.EABKey) *acme.ExternalAccountKey {
eak.Policy.X509.Denied.DNSNames = deny.Dns
eak.Policy.X509.Denied.IPRanges = deny.Ips
}
eak.Policy.X509.AllowWildcardNames = x509.AllowWildcardNames
}
}

2
authority/admin/api/acme_test.go
View file

@ -512,6 +512,7 @@ func Test_linkedEAKToCertificates(t *testing.T) {
Dns: []string{"badhost.local"},
Ips: []string{"10.0.0.30"},
},
AllowWildcardNames: true,
},
},
},
@ -533,6 +534,7 @@ func Test_linkedEAKToCertificates(t *testing.T) {
DNSNames: []string{"badhost.local"},
IPRanges: []string{"10.0.0.30"},
},
AllowWildcardNames: true,
},
},
},

2
authority/policy.go
View file

@ -311,7 +311,7 @@ func policyToCertificates(p *linkedca.Policy) *authPolicy.Options {
}
}
opts.X509.AllowWildcardLiteral = x509.AllowWildcardLiteral
opts.X509.AllowWildcardNames = x509.GetAllowWildcardNames()
}
// fill ssh policy configuration

17
authority/policy/options.go
View file

@ -30,7 +30,7 @@ func (o *Options) GetSSHOptions() *SSHPolicyOptions {
type X509PolicyOptionsInterface interface {
GetAllowedNameOptions() *X509NameOptions
GetDeniedNameOptions() *X509NameOptions
IsWildcardLiteralAllowed() bool
AreWildcardNamesAllowed() bool
}
// X509PolicyOptions is a container for x509 allowed and denied
@ -42,10 +42,9 @@ type X509PolicyOptions struct {
// DeniedNames contains the x509 denied names
DeniedNames *X509NameOptions `json:"deny,omitempty"`
// AllowWildcardLiteral indicates if literal wildcard names
// such as *.example.com and @example.com are allowed. Defaults
// to false.
AllowWildcardLiteral bool `json:"allowWildcardLiteral,omitempty"`
// AllowWildcardNames indicates if literal wildcard names
// like *.example.com are allowed. Defaults to false.
AllowWildcardNames bool `json:"allowWildcardNames,omitempty"`
}
// X509NameOptions models the X509 name policy configuration.
@ -83,13 +82,13 @@ func (o *X509PolicyOptions) GetDeniedNameOptions() *X509NameOptions {
return o.DeniedNames
}
// IsWildcardLiteralAllowed returns whether the authority allows
// literal wildcard domains and other names to be signed.
func (o *X509PolicyOptions) IsWildcardLiteralAllowed() bool {
// AreWildcardNamesAllowed returns whether the authority allows
// literal wildcard names to be signed.
func (o *X509PolicyOptions) AreWildcardNamesAllowed() bool {
if o == nil {
return true
}
return o.AllowWildcardLiteral
return o.AllowWildcardNames
}
// SSHPolicyOptionsInterface is an interface for providers of

6
authority/policy/options_test.go
View file

@ -23,21 +23,21 @@ func TestX509PolicyOptions_IsWildcardLiteralAllowed(t *testing.T) {
{
name: "set-true",
options: &X509PolicyOptions{
AllowWildcardLiteral: true,
AllowWildcardNames: true,
},
want: true,
},
{
name: "set-false",
options: &X509PolicyOptions{
AllowWildcardLiteral: false,
AllowWildcardNames: false,
},
want: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := tt.options.IsWildcardLiteralAllowed(); got != tt.want {
if got := tt.options.AreWildcardNamesAllowed(); got != tt.want {
t.Errorf("X509PolicyOptions.IsWildcardLiteralAllowed() = %v, want %v", got, tt.want)
}
})

2
authority/policy/policy.go
View file

@ -52,7 +52,7 @@ func NewX509PolicyEngine(policyOptions X509PolicyOptionsInterface) (X509Policy,
return nil, nil
}
if policyOptions.IsWildcardLiteralAllowed() {
if policyOptions.AreWildcardNamesAllowed() {
options = append(options, policy.WithAllowLiteralWildcardNames())
}

27
authority/policy_test.go
View file

@ -218,7 +218,7 @@ func Test_policyToCertificates(t *testing.T) {
Allow: &linkedca.X509Names{
Dns: []string{"*.local"},
},
AllowWildcardLiteral: false,
AllowWildcardNames: false,
},
},
want: &policy.Options{
@ -226,7 +226,7 @@ func Test_policyToCertificates(t *testing.T) {
AllowedNames: &policy.X509NameOptions{
DNSDomains: []string{"*.local"},
},
AllowWildcardLiteral: false,
AllowWildcardNames: false,
},
},
},
@ -248,7 +248,7 @@ func Test_policyToCertificates(t *testing.T) {
Uris: []string{"https://badhost.local"},
CommonNames: []string{"another name"},
},
AllowWildcardLiteral: true,
AllowWildcardNames: true,
},
Ssh: &linkedca.SSHPolicy{
Host: &linkedca.SSHHostPolicy{
@ -291,7 +291,7 @@ func Test_policyToCertificates(t *testing.T) {
URIDomains: []string{"https://badhost.local"},
CommonNames: []string{"another name"},
},
AllowWildcardLiteral: true,
AllowWildcardNames: true,
},
SSH: &policy.SSHPolicyOptions{
Host: &policy.SSHHostCertificateOptions{
@ -369,7 +369,7 @@ func TestAuthority_reloadPolicyEngines(t *testing.T) {
DeniedNames: &policy.X509NameOptions{
DNSDomains: []string{"badhost.local"},
},
AllowWildcardLiteral: true,
AllowWildcardNames: true,
},
}
@ -428,7 +428,7 @@ func TestAuthority_reloadPolicyEngines(t *testing.T) {
DeniedNames: &policy.X509NameOptions{
DNSDomains: []string{"badhost.local"},
},
AllowWildcardLiteral: true,
AllowWildcardNames: true,
},
SSH: &policy.SSHPolicyOptions{
Host: &policy.SSHHostCertificateOptions{
@ -486,7 +486,7 @@ func TestAuthority_reloadPolicyEngines(t *testing.T) {
DeniedNames: &policy.X509NameOptions{
DNSDomains: []string{"badhost.local"},
},
AllowWildcardLiteral: true,
AllowWildcardNames: true,
},
SSH: &policy.SSHPolicyOptions{
Host: &policy.SSHHostCertificateOptions{
@ -697,7 +697,7 @@ func TestAuthority_reloadPolicyEngines(t *testing.T) {
DeniedNames: &policy.X509NameOptions{
DNSDomains: []string{"badhost.local"},
},
AllowWildcardLiteral: true,
AllowWildcardNames: true,
},
},
},
@ -796,7 +796,7 @@ func TestAuthority_reloadPolicyEngines(t *testing.T) {
DeniedNames: &policy.X509NameOptions{
DNSDomains: []string{"badhost.local"},
},
AllowWildcardLiteral: true,
AllowWildcardNames: true,
},
SSH: &policy.SSHPolicyOptions{
Host: &policy.SSHHostCertificateOptions{
@ -911,7 +911,7 @@ func TestAuthority_reloadPolicyEngines(t *testing.T) {
Deny: &linkedca.X509Names{
Dns: []string{"badhost.local"},
},
AllowWildcardLiteral: true,
AllowWildcardNames: true,
},
Ssh: &linkedca.SSHPolicy{
Host: &linkedca.SSHHostPolicy{
@ -976,7 +976,7 @@ func TestAuthority_reloadPolicyEngines(t *testing.T) {
Deny: &linkedca.X509Names{
Dns: []string{"badhost.local"},
},
AllowWildcardLiteral: true,
AllowWildcardNames: true,
},
}, nil
},
@ -996,11 +996,6 @@ func TestAuthority_reloadPolicyEngines(t *testing.T) {
t.Errorf("Authority.reloadPolicyEngines() error = %v, wantErr %v", err, tt.wantErr)
}
// TODO(hs): fix those
// assert.Equal(t, tt.expected.x509Policy, a.x509Policy)
// assert.Equal(t, tt.expected.sshHostPolicy, a.sshHostPolicy)
// assert.Equal(t, tt.expected.sshUserPolicy, a.sshUserPolicy)
assert.Equal(t, tt.expected, a.policyEngine)
})
}

11
authority/provisioner/options.go
View file

@ -66,10 +66,9 @@ type X509Options struct {
// DeniedNames contains the SANs the provisioner is not authorized to sign
DeniedNames *policy.X509NameOptions `json:"-"`
// AllowWildcardLiteral indicates if literal wildcard names
// such as *.example.com and @example.com are allowed. Defaults
// to false.
AllowWildcardLiteral bool `json:"-"`
// AllowWildcardNames indicates if literal wildcard names
// like *.example.com are allowed. Defaults to false.
AllowWildcardNames bool `json:"-"`
}
// HasTemplate returns true if a template is defined in the provisioner options.
@ -95,11 +94,11 @@ func (o *X509Options) GetDeniedNameOptions() *policy.X509NameOptions {
return o.DeniedNames
}
func (o *X509Options) IsWildcardLiteralAllowed() bool {
func (o *X509Options) AreWildcardNamesAllowed() bool {
if o == nil {
return true
}
return o.AllowWildcardLiteral
return o.AllowWildcardNames
}
// TemplateOptions generates a CertificateOptions with the template and data

6
authority/provisioner/options_test.go
View file

@ -302,21 +302,21 @@ func TestX509Options_IsWildcardLiteralAllowed(t *testing.T) {
{
name: "set-true",
options: &X509Options{
AllowWildcardLiteral: true,
AllowWildcardNames: true,
},
want: true,
},
{
name: "set-false",
options: &X509Options{
AllowWildcardLiteral: false,
AllowWildcardNames: false,
},
want: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if got := tt.options.IsWildcardLiteralAllowed(); got != tt.want {
if got := tt.options.AreWildcardNamesAllowed(); got != tt.want {
t.Errorf("X509PolicyOptions.IsWildcardLiteralAllowed() = %v, want %v", got, tt.want)
}
})

68
policy/engine_test.go
View file

@ -285,17 +285,6 @@ func TestNamePolicyEngine_matchEmailConstraint(t *testing.T) {
want bool
wantErr bool
}{
{
name: "fail/asterisk-prefix",
engine: &NamePolicyEngine{},
mailbox: rfc2821Mailbox{
local: "mail",
domain: "local",
},
constraint: "*@example.com",
want: false,
wantErr: true,
},
{
name: "fail/asterisk-label",
engine: &NamePolicyEngine{},
@ -307,17 +296,6 @@ func TestNamePolicyEngine_matchEmailConstraint(t *testing.T) {
want: false,
wantErr: true,
},
{
name: "fail/asterisk-inside-local",
engine: &NamePolicyEngine{},
mailbox: rfc2821Mailbox{
local: "mail",
domain: "local",
},
constraint: "m*il@local",
want: false,
wantErr: true,
},
{
name: "fail/asterisk-inside-domain",
engine: &NamePolicyEngine{},
@ -358,7 +336,7 @@ func TestNamePolicyEngine_matchEmailConstraint(t *testing.T) {
local: "mail",
domain: "local",
},
constraint: ".local", // "wildcard" for the local domain; requires exactly 1 subdomain
constraint: ".local",
want: false,
wantErr: false,
},
@ -406,6 +384,50 @@ func TestNamePolicyEngine_matchEmailConstraint(t *testing.T) {
want: true,
wantErr: false,
},
{
name: "ok/asterisk-prefix",
engine: &NamePolicyEngine{},
mailbox: rfc2821Mailbox{
local: "mail",
domain: "local",
},
constraint: "*@example.com",
want: false,
wantErr: false,
},
{
name: "ok/asterisk-prefix-match",
engine: &NamePolicyEngine{},
mailbox: rfc2821Mailbox{
local: "*",
domain: "example.com",
},
constraint: "*@example.com",
want: true,
wantErr: false,
},
{
name: "ok/asterisk-inside-local",
engine: &NamePolicyEngine{},
mailbox: rfc2821Mailbox{
local: "mail",
domain: "local",
},
constraint: "m*il@local",
want: false,
wantErr: false,
},
{
name: "ok/asterisk-inside-local-match",
engine: &NamePolicyEngine{},
mailbox: rfc2821Mailbox{
local: "m*il",
domain: "local",
},
constraint: "m*il@local",
want: true,
wantErr: false,
},
{
name: "ok/specific-mail",
engine: &NamePolicyEngine{},

9
policy/validate.go
View file

@ -125,7 +125,7 @@ func (e *NamePolicyEngine) validateNames(dnsNames []string, ips []net.IP, emailA
Reason: CannotParseDomain,
NameType: EmailNameType,
Name: email,
detail: fmt.Sprintf("cannot parse email domain %q", email),
detail: fmt.Errorf("cannot parse email domain %q: %w", email, err).Error(),
}
}
mailbox.domain = domainASCII
@ -577,11 +577,6 @@ func matchIPConstraint(ip net.IP, constraint *net.IPNet) (bool, error) {
// SOURCE: https://cs.opensource.google/go/go/+/refs/tags/go1.17.5:src/crypto/x509/verify.go
func (e *NamePolicyEngine) matchEmailConstraint(mailbox rfc2821Mailbox, constraint string) (bool, error) {
// TODO(hs): handle literal wildcard case for emails? Does that even make sense?
// If the constraint contains an @, then it specifies an exact mailbox name (currently)
if strings.Contains(constraint, "*") {
return false, fmt.Errorf("email constraint %q cannot contain asterisk", constraint)
}
if strings.Contains(constraint, "@") {
constraintMailbox, ok := parseRFC2821Mailbox(constraint)
if !ok {
@ -617,7 +612,7 @@ func (e *NamePolicyEngine) matchURIConstraint(uri *url.URL, constraint string) (
if strings.Contains(host, ":") && !strings.HasSuffix(host, "]") {
var err error
host, _, err = net.SplitHostPort(uri.Host)
host, _, err = net.SplitHostPort(host)
if err != nil {
return false, err
}