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smallstep-certificates/policy/options_test.go

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package policy
import (
"net"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/stretchr/testify/assert"
)
func Test_normalizeAndValidateCommonName(t *testing.T) {
tests := []struct {
name string
constraint string
want string
wantErr bool
}{
{
name: "fail/empty-constraint",
constraint: "",
want: "",
wantErr: true,
},
{
name: "fail/wildcard",
constraint: "*",
want: "",
wantErr: true,
},
{
name: "ok",
constraint: "step",
want: "step",
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := normalizeAndValidateCommonName(tt.constraint)
if (err != nil) != tt.wantErr {
t.Errorf("normalizeAndValidateCommonName() error = %v, wantErr %v", err, tt.wantErr)
return
}
if got != tt.want {
t.Errorf("normalizeAndValidateCommonName() = %v, want %v", got, tt.want)
}
})
}
}
func Test_normalizeAndValidateDNSDomainConstraint(t *testing.T) {
tests := []struct {
name string
constraint string
want string
wantErr bool
}{
{
name: "fail/empty-constraint",
constraint: "",
want: "",
wantErr: true,
},
{
name: "fail/wildcard-partial-label",
constraint: "*xxxx.local",
want: "",
wantErr: true,
},
{
name: "fail/wildcard-in-the-middle",
constraint: "x.*.local",
want: "",
wantErr: true,
},
{
name: "fail/empty-label",
constraint: "..local",
want: "",
wantErr: true,
},
{
name: "fail/empty-reverse",
constraint: ".",
want: "",
wantErr: true,
},
{
name: "fail/no-asterisk",
constraint: ".example.com",
want: "",
wantErr: true,
},
{
name: "fail/idna-internationalized-domain-name-lookup",
constraint: `\00.local`, // invalid IDNA ASCII character
want: "",
wantErr: true,
},
{
name: "ok/wildcard",
constraint: "*.local",
want: ".local",
wantErr: false,
},
{
name: "ok/specific-domain",
constraint: "example.local",
want: "example.local",
wantErr: false,
},
{
name: "ok/idna-internationalized-domain-name-punycode",
constraint: "*.xn--fsq.jp", // Example value from https://www.w3.org/International/articles/idn-and-iri/
want: ".xn--fsq.jp",
wantErr: false,
},
{
name: "ok/idna-internationalized-domain-name-lookup-transformed",
constraint: "*.例.jp", // Example value from https://www.w3.org/International/articles/idn-and-iri/
want: ".xn--fsq.jp",
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := normalizeAndValidateDNSDomainConstraint(tt.constraint)
if (err != nil) != tt.wantErr {
t.Errorf("normalizeAndValidateDNSDomainConstraint() error = %v, wantErr %v", err, tt.wantErr)
}
if got != tt.want {
t.Errorf("normalizeAndValidateDNSDomainConstraint() = %v, want %v", got, tt.want)
}
})
}
}
func Test_normalizeAndValidateEmailConstraint(t *testing.T) {
tests := []struct {
name string
constraint string
want string
wantErr bool
}{
{
name: "fail/empty-constraint",
constraint: "",
want: "",
wantErr: true,
},
{
name: "fail/asterisk",
constraint: "*.local",
want: "",
wantErr: true,
},
{
name: "fail/period",
constraint: ".local",
want: "",
wantErr: true,
},
{
name: "fail/@period",
constraint: "@.local",
want: "",
wantErr: true,
},
{
name: "fail/too-many-@s",
constraint: "@local@example.com",
want: "",
wantErr: true,
},
{
name: "fail/parse-mailbox",
constraint: "mail@example.com" + string(byte(0)),
want: "",
wantErr: true,
},
{
name: "fail/idna-internationalized-domain",
constraint: "mail@xn--bla.local",
want: "",
wantErr: true,
},
{
name: "fail/idna-internationalized-domain-name-lookup",
constraint: `\00local`,
want: "",
wantErr: true,
},
{
name: "fail/parse-domain",
constraint: "x..example.com",
want: "",
wantErr: true,
},
{
name: "ok/wildcard",
constraint: "@local",
want: "local",
wantErr: false,
},
{
name: "ok/specific-mail",
constraint: "mail@local",
want: "mail@local",
wantErr: false,
},
// TODO(hs): fix the below; doesn't get past parseRFC2821Mailbox; I think it should be allowed.
// {
// name: "ok/idna-internationalized-local",
// constraint: `bücher@local`,
// want: "bücher@local",
// wantErr: false,
// },
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := normalizeAndValidateEmailConstraint(tt.constraint)
if (err != nil) != tt.wantErr {
t.Errorf("normalizeAndValidateEmailConstraint() error = %v, wantErr %v", err, tt.wantErr)
}
if got != tt.want {
t.Errorf("normalizeAndValidateEmailConstraint() = %v, want %v", got, tt.want)
}
})
}
}
func TestNew(t *testing.T) {
type test struct {
options []NamePolicyOption
want *NamePolicyEngine
wantErr bool
}
var tests = map[string]func(t *testing.T) test{
"fail/with-permitted-common-name": func(t *testing.T) test {
return test{
options: []NamePolicyOption{
WithPermittedCommonNames("*"),
},
want: nil,
wantErr: true,
}
},
"fail/with-excluded-common-name": func(t *testing.T) test {
return test{
options: []NamePolicyOption{
WithExcludedCommonNames(""),
},
want: nil,
wantErr: true,
}
},
"fail/with-permitted-dns-domains": func(t *testing.T) test {
return test{
options: []NamePolicyOption{
WithPermittedDNSDomains("**.local"),
},
want: nil,
wantErr: true,
}
},
"fail/with-excluded-dns-domains": func(t *testing.T) test {
return test{
options: []NamePolicyOption{
WithExcludedDNSDomains("**.local"),
},
want: nil,
wantErr: true,
}
},
"fail/with-permitted-cidrs": func(t *testing.T) test {
return test{
options: []NamePolicyOption{
WithPermittedCIDRs("127.0.0.1//24"),
},
want: nil,
wantErr: true,
}
},
"fail/with-excluded-cidrs": func(t *testing.T) test {
return test{
options: []NamePolicyOption{
WithExcludedCIDRs("127.0.0.1//24"),
},
want: nil,
wantErr: true,
}
},
"fail/with-permitted-ipsOrCIDRs-cidr": func(t *testing.T) test {
return test{
options: []NamePolicyOption{
WithPermittedIPsOrCIDRs("127.0.0.1//24"),
},
want: nil,
wantErr: true,
}
},
"fail/with-permitted-ipsOrCIDRs-ip": func(t *testing.T) test {
return test{
options: []NamePolicyOption{
WithPermittedIPsOrCIDRs("127.0.0:1"),
},
want: nil,
wantErr: true,
}
},
"fail/with-excluded-ipsOrCIDRs-cidr": func(t *testing.T) test {
return test{
options: []NamePolicyOption{
WithExcludedIPsOrCIDRs("127.0.0.1//24"),
},
want: nil,
wantErr: true,
}
},
"fail/with-excluded-ipsOrCIDRs-ip": func(t *testing.T) test {
return test{
options: []NamePolicyOption{
WithExcludedIPsOrCIDRs("127.0.0:1"),
},
want: nil,
wantErr: true,
}
},
"fail/with-permitted-emails": func(t *testing.T) test {
return test{
options: []NamePolicyOption{
WithPermittedEmailAddresses("*.local"),
},
want: nil,
wantErr: true,
}
},
"fail/with-excluded-emails": func(t *testing.T) test {
return test{
options: []NamePolicyOption{
WithExcludedEmailAddresses("*.local"),
},
want: nil,
wantErr: true,
}
},
"fail/with-permitted-uris": func(t *testing.T) test {
return test{
options: []NamePolicyOption{
WithPermittedURIDomains("**.local"),
},
want: nil,
wantErr: true,
}
},
"fail/with-excluded-uris": func(t *testing.T) test {
return test{
options: []NamePolicyOption{
WithExcludedURIDomains("**.local"),
},
want: nil,
wantErr: true,
}
},
"ok/default": func(t *testing.T) test {
return test{
options: []NamePolicyOption{},
want: &NamePolicyEngine{},
wantErr: false,
}
},
"ok/subject-verification": func(t *testing.T) test {
options := []NamePolicyOption{
WithSubjectCommonNameVerification(),
}
return test{
options: options,
want: &NamePolicyEngine{
verifySubjectCommonName: true,
},
wantErr: false,
}
},
"ok/literal-wildcards": func(t *testing.T) test {
options := []NamePolicyOption{
WithAllowLiteralWildcardNames(),
}
return test{
options: options,
want: &NamePolicyEngine{
allowLiteralWildcardNames: true,
},
wantErr: false,
}
},
"ok/with-permitted-dns-wildcard-domains": func(t *testing.T) test {
options := []NamePolicyOption{
WithPermittedDNSDomains("*.local", "*.example.com"),
}
return test{
options: options,
want: &NamePolicyEngine{
permittedDNSDomains: []string{".local", ".example.com"},
numberOfDNSDomainConstraints: 2,
totalNumberOfPermittedConstraints: 2,
totalNumberOfConstraints: 2,
},
wantErr: false,
}
},
"ok/with-excluded-dns-domains": func(t *testing.T) test {
options := []NamePolicyOption{
WithExcludedDNSDomains("*.local", "*.example.com"),
}
return test{
options: options,
want: &NamePolicyEngine{
excludedDNSDomains: []string{".local", ".example.com"},
numberOfDNSDomainConstraints: 2,
totalNumberOfExcludedConstraints: 2,
totalNumberOfConstraints: 2,
},
wantErr: false,
}
},
"ok/with-permitted-ip-ranges": func(t *testing.T) test {
_, nw1, err := net.ParseCIDR("127.0.0.1/24")
assert.NoError(t, err)
_, nw2, err := net.ParseCIDR("192.168.0.1/24")
assert.NoError(t, err)
options := []NamePolicyOption{
WithPermittedIPRanges(nw1, nw2),
}
return test{
options: options,
want: &NamePolicyEngine{
permittedIPRanges: []*net.IPNet{
nw1, nw2,
},
numberOfIPRangeConstraints: 2,
totalNumberOfPermittedConstraints: 2,
totalNumberOfConstraints: 2,
},
wantErr: false,
}
},
"ok/with-excluded-ip-ranges": func(t *testing.T) test {
_, nw1, err := net.ParseCIDR("127.0.0.1/24")
assert.NoError(t, err)
_, nw2, err := net.ParseCIDR("192.168.0.1/24")
assert.NoError(t, err)
options := []NamePolicyOption{
WithExcludedIPRanges(nw1, nw2),
}
return test{
options: options,
want: &NamePolicyEngine{
excludedIPRanges: []*net.IPNet{
nw1, nw2,
},
numberOfIPRangeConstraints: 2,
totalNumberOfExcludedConstraints: 2,
totalNumberOfConstraints: 2,
},
wantErr: false,
}
},
"ok/with-permitted-cidrs": func(t *testing.T) test {
_, nw1, err := net.ParseCIDR("127.0.0.1/24")
assert.NoError(t, err)
_, nw2, err := net.ParseCIDR("192.168.0.1/24")
assert.NoError(t, err)
options := []NamePolicyOption{
WithPermittedCIDRs("127.0.0.1/24", "192.168.0.1/24"),
}
return test{
options: options,
want: &NamePolicyEngine{
permittedIPRanges: []*net.IPNet{
nw1, nw2,
},
numberOfIPRangeConstraints: 2,
totalNumberOfPermittedConstraints: 2,
totalNumberOfConstraints: 2,
},
wantErr: false,
}
},
"ok/with-excluded-cidrs": func(t *testing.T) test {
_, nw1, err := net.ParseCIDR("127.0.0.1/24")
assert.NoError(t, err)
_, nw2, err := net.ParseCIDR("192.168.0.1/24")
assert.NoError(t, err)
options := []NamePolicyOption{
WithExcludedCIDRs("127.0.0.1/24", "192.168.0.1/24"),
}
return test{
options: options,
want: &NamePolicyEngine{
excludedIPRanges: []*net.IPNet{
nw1, nw2,
},
numberOfIPRangeConstraints: 2,
totalNumberOfExcludedConstraints: 2,
totalNumberOfConstraints: 2,
},
wantErr: false,
}
},
"ok/with-permitted-ipsOrCIDRs-cidr": func(t *testing.T) test {
_, nw1, err := net.ParseCIDR("127.0.0.1/24")
assert.NoError(t, err)
_, nw2, err := net.ParseCIDR("192.168.0.31/32")
assert.NoError(t, err)
_, nw3, err := net.ParseCIDR("2001:0db8:85a3:0000:0000:8a2e:0370:7334/128")
assert.NoError(t, err)
options := []NamePolicyOption{
WithPermittedIPsOrCIDRs("127.0.0.1/24", "192.168.0.31", "2001:0db8:85a3:0000:0000:8a2e:0370:7334"),
}
return test{
options: options,
want: &NamePolicyEngine{
permittedIPRanges: []*net.IPNet{
nw1, nw2, nw3,
},
numberOfIPRangeConstraints: 3,
totalNumberOfPermittedConstraints: 3,
totalNumberOfConstraints: 3,
},
wantErr: false,
}
},
"ok/with-excluded-ipsOrCIDRs-cidr": func(t *testing.T) test {
_, nw1, err := net.ParseCIDR("127.0.0.1/24")
assert.NoError(t, err)
_, nw2, err := net.ParseCIDR("192.168.0.31/32")
assert.NoError(t, err)
_, nw3, err := net.ParseCIDR("2001:0db8:85a3:0000:0000:8a2e:0370:7334/128")
assert.NoError(t, err)
options := []NamePolicyOption{
WithExcludedIPsOrCIDRs("127.0.0.1/24", "192.168.0.31", "2001:0db8:85a3:0000:0000:8a2e:0370:7334"),
}
return test{
options: options,
want: &NamePolicyEngine{
excludedIPRanges: []*net.IPNet{
nw1, nw2, nw3,
},
numberOfIPRangeConstraints: 3,
totalNumberOfExcludedConstraints: 3,
totalNumberOfConstraints: 3,
},
wantErr: false,
}
},
"ok/with-permitted-emails": func(t *testing.T) test {
options := []NamePolicyOption{
WithPermittedEmailAddresses("mail@local", "@example.com"),
}
return test{
options: options,
want: &NamePolicyEngine{
permittedEmailAddresses: []string{"mail@local", "example.com"},
numberOfEmailAddressConstraints: 2,
totalNumberOfPermittedConstraints: 2,
totalNumberOfConstraints: 2,
},
wantErr: false,
}
},
"ok/with-excluded-emails": func(t *testing.T) test {
options := []NamePolicyOption{
WithExcludedEmailAddresses("mail@local", "@example.com"),
}
return test{
options: options,
want: &NamePolicyEngine{
excludedEmailAddresses: []string{"mail@local", "example.com"},
numberOfEmailAddressConstraints: 2,
totalNumberOfExcludedConstraints: 2,
totalNumberOfConstraints: 2,
},
wantErr: false,
}
},
"ok/with-permitted-uris": func(t *testing.T) test {
options := []NamePolicyOption{
WithPermittedURIDomains("host.local", "*.example.com"),
}
return test{
options: options,
want: &NamePolicyEngine{
permittedURIDomains: []string{"host.local", ".example.com"},
numberOfURIDomainConstraints: 2,
totalNumberOfPermittedConstraints: 2,
totalNumberOfConstraints: 2,
},
wantErr: false,
}
},
"ok/with-excluded-uris": func(t *testing.T) test {
options := []NamePolicyOption{
WithExcludedURIDomains("host.local", "*.example.com"),
}
return test{
options: options,
want: &NamePolicyEngine{
excludedURIDomains: []string{"host.local", ".example.com"},
numberOfURIDomainConstraints: 2,
totalNumberOfExcludedConstraints: 2,
totalNumberOfConstraints: 2,
},
wantErr: false,
}
},
"ok/with-permitted-principals": func(t *testing.T) test {
options := []NamePolicyOption{
WithPermittedPrincipals("root", "ops"),
}
return test{
options: options,
want: &NamePolicyEngine{
permittedPrincipals: []string{"root", "ops"},
numberOfPrincipalConstraints: 2,
totalNumberOfPermittedConstraints: 2,
totalNumberOfConstraints: 2,
},
wantErr: false,
}
},
"ok/with-excluded-principals": func(t *testing.T) test {
options := []NamePolicyOption{
WithExcludedPrincipals("root", "ops"),
}
return test{
options: options,
want: &NamePolicyEngine{
excludedPrincipals: []string{"root", "ops"},
numberOfPrincipalConstraints: 2,
totalNumberOfExcludedConstraints: 2,
totalNumberOfConstraints: 2,
},
wantErr: false,
}
},
}
for name, prep := range tests {
tc := prep(t)
t.Run(name, func(t *testing.T) {
got, err := New(tc.options...)
if (err != nil) != tc.wantErr {
t.Errorf("New() error = %v, wantErr %v", err, tc.wantErr)
return
}
if !cmp.Equal(tc.want, got, cmp.AllowUnexported(NamePolicyEngine{})) {
t.Errorf("New() diff =\n %s", cmp.Diff(tc.want, got, cmp.AllowUnexported(NamePolicyEngine{})))
}
})
}
}
func Test_normalizeAndValidateURIDomainConstraint(t *testing.T) {
tests := []struct {
name string
constraint string
want string
wantErr bool
}{
{
name: "fail/empty-constraint",
constraint: "",
want: "",
wantErr: true,
},
{
name: "fail/scheme-https",
constraint: `https://*.local`,
want: "",
wantErr: true,
},
{
name: "fail/too-many-asterisks",
constraint: "**.local",
want: "",
wantErr: true,
},
{
name: "fail/empty-label",
constraint: "..local",
want: "",
wantErr: true,
},
{
name: "fail/empty-reverse",
constraint: ".",
want: "",
wantErr: true,
},
{
name: "fail/domain-with-port",
constraint: "host.local:8443",
want: "",
wantErr: true,
},
{
name: "fail/no-asterisk",
constraint: ".example.com",
want: "",
wantErr: true,
},
{
name: "fail/ipv4",
constraint: "127.0.0.1",
want: "",
wantErr: true,
},
{
name: "fail/ipv6-brackets",
constraint: "[::1]",
want: "",
wantErr: true,
},
{
name: "fail/ipv6-no-brackets",
constraint: "::1",
want: "",
wantErr: true,
},
{
name: "fail/ipv6-no-brackets",
constraint: "[::1",
want: "",
wantErr: true,
},
{
name: "fail/idna-internationalized-domain-name-lookup",
constraint: `\00local`,
want: "",
wantErr: true,
},
{
name: "ok/wildcard",
constraint: "*.local",
want: ".local",
wantErr: false,
},
{
name: "ok/specific-domain",
constraint: "example.local",
want: "example.local",
wantErr: false,
},
{
name: "ok/idna-internationalized-domain-name-lookup",
constraint: `*.bücher.example.com`,
want: ".xn--bcher-kva.example.com",
wantErr: false,
},
{
// IDNA2003 vs. 2008 deviation: https://unicode.org/reports/tr46/#Deviations results
// in a difference between Go 1.18 and lower versions. Go 1.18 expects ".xn--fa-hia.de"; not .fass.de.
name: "ok/idna-internationalized-domain-name-lookup-deviation",
constraint: `*.faß.de`,
want: ".xn--fa-hia.de",
wantErr: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := normalizeAndValidateURIDomainConstraint(tt.constraint)
if (err != nil) != tt.wantErr {
t.Errorf("normalizeAndValidateURIDomainConstraint() error = %v, wantErr %v", err, tt.wantErr)
}
if got != tt.want {
t.Errorf("normalizeAndValidateURIDomainConstraint() = %v, want %v", got, tt.want)
}
})
}
}
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