More unit tests for nebula.

This commit is contained in:
Mariano Cano 2022-01-04 18:16:41 -08:00
parent 99845d38bb
commit de51c2edfb

View file

@ -7,11 +7,13 @@ import (
"crypto/rand"
"crypto/x509"
"net"
"net/url"
"reflect"
"strings"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/slackhq/nebula/cert"
"go.step.sm/crypto/jose"
"go.step.sm/crypto/randutil"
@ -26,7 +28,7 @@ func mustNebulaIPNet(t *testing.T, s string) *net.IPNet {
if err != nil {
t.Fatal(err)
}
if ip.To4() == nil {
if ip = ip.To4(); ip == nil {
t.Fatalf("nebula only supports ipv4, have %s", s)
}
ipNet.IP = ip
@ -46,7 +48,7 @@ func mustNebulaCA(t *testing.T) (*cert.NebulaCertificate, ed25519.PrivateKey) {
Ips: []*net.IPNet{
mustNebulaIPNet(t, "10.1.0.0/16"),
},
Subnets: nil,
Subnets: []*net.IPNet{},
NotBefore: time.Now(),
NotAfter: time.Now().Add(10 * time.Minute),
PublicKey: pub,
@ -72,16 +74,24 @@ func mustNebulaCert(t *testing.T, name string, ipNet *net.IPNet, groups []string
t.Fatal(err)
}
invertedGroups := make(map[string]struct{}, len(groups))
for _, name := range groups {
invertedGroups[name] = struct{}{}
}
t1 := time.Now().Truncate(time.Second)
nc := &cert.NebulaCertificate{
Details: cert.NebulaCertificateDetails{
Name: name,
Ips: []*net.IPNet{ipNet},
Subnets: []*net.IPNet{},
Groups: groups,
NotBefore: time.Now(),
NotAfter: time.Now().Add(5 * time.Minute),
NotBefore: t1,
NotAfter: t1.Add(5 * time.Minute),
PublicKey: pub,
IsCA: false,
Issuer: issuer,
InvertedGroups: invertedGroups,
},
}
@ -244,6 +254,10 @@ func TestNebula_Init(t *testing.T) {
{"fail type", fields{"", "Nebulous", ncPem, nil, nil}, args{cfg}, true},
{"fail name", fields{"Nebula", "", ncPem, nil, nil}, args{cfg}, true},
{"fail root", fields{"Nebula", "Nebulous", nil, nil, nil}, args{cfg}, true},
{"fail bad root", fields{"Nebula", "Nebulous", ncPem[:16], nil, nil}, args{cfg}, true},
{"fail bad claims", fields{"Nebula", "Nebulous", ncPem, &Claims{
MinTLSDur: &Duration{Duration: 0},
}, nil}, args{cfg}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
@ -707,3 +721,235 @@ func TestNebula_AuthorizeSSHRekey(t *testing.T) {
})
}
}
func TestNebula_authorizeToken(t *testing.T) {
t1 := now()
p, ca, signer := mustNebulaProvisioner(t)
crt, priv := mustNebulaCert(t, "test.lan", mustNebulaIPNet(t, "10.1.0.1/16"), []string{"test"}, ca, signer)
ok := mustNebulaToken(t, "test.lan", p.Name, p.audiences.Sign[0], t1, []string{"10.1.0.1"}, crt, priv)
okNoSANs := mustNebulaToken(t, "test.lan", p.Name, p.audiences.Sign[0], t1, nil, crt, priv)
okSSH := mustNebulaSSHToken(t, "test.lan", p.Name, p.audiences.SSHSign[0], t1, &SignSSHOptions{
CertType: "host",
KeyID: "test.lan",
Principals: []string{"test.lan"},
}, crt, priv)
okSSHNoOptions := mustNebulaSSHToken(t, "test.lan", p.Name, p.audiences.SSHSign[0], t1, nil, crt, priv)
// Token with errors
failNotBefore := mustNebulaToken(t, "test.lan", p.Name, p.audiences.Sign[0], t1.Add(1*time.Hour), []string{"10.1.0.1"}, crt, priv)
failIssuer := mustNebulaToken(t, "test.lan", "foo", p.audiences.Sign[0], t1, []string{"10.1.0.1"}, crt, priv)
failAudience := mustNebulaToken(t, "test.lan", p.Name, "foo", t1, []string{"10.1.0.1"}, crt, priv)
failSubject := mustNebulaToken(t, "", p.Name, p.audiences.Sign[0], t1, []string{"10.1.0.1"}, crt, priv)
// Not a nebula token
jwk, err := generateJSONWebKey()
if err != nil {
t.Fatal(err)
}
simpleToken, err := generateSimpleToken("iss", "aud", jwk)
if err != nil {
t.Fatal(err)
}
// Provisioner with a different CA
p2, _, _ := mustNebulaProvisioner(t)
x509Claims := jose.Claims{
ID: "[REPLACEME]",
Subject: "test.lan",
Issuer: p.Name,
IssuedAt: jose.NewNumericDate(t1),
NotBefore: jose.NewNumericDate(t1),
Expiry: jose.NewNumericDate(t1.Add(5 * time.Minute)),
Audience: []string{p.audiences.Sign[0]},
}
sshClaims := jose.Claims{
ID: "[REPLACEME]",
Subject: "test.lan",
Issuer: p.Name,
IssuedAt: jose.NewNumericDate(t1),
NotBefore: jose.NewNumericDate(t1),
Expiry: jose.NewNumericDate(t1.Add(5 * time.Minute)),
Audience: []string{p.audiences.SSHSign[0]},
}
type args struct {
token string
audiences []string
}
tests := []struct {
name string
p *Nebula
args args
want *cert.NebulaCertificate
want1 *jwtPayload
wantErr bool
}{
{"ok x509", p, args{ok, p.audiences.Sign}, crt, &jwtPayload{
Claims: x509Claims,
SANs: []string{"10.1.0.1"},
}, false},
{"ok x509 no sans", p, args{okNoSANs, p.audiences.Sign}, crt, &jwtPayload{
Claims: x509Claims,
}, false},
{"ok ssh", p, args{okSSH, p.audiences.SSHSign}, crt, &jwtPayload{
Claims: sshClaims,
Step: &stepPayload{
SSH: &SignSSHOptions{
CertType: "host",
KeyID: "test.lan",
Principals: []string{"test.lan"},
},
},
}, false},
{"ok ssh no principals", p, args{okSSHNoOptions, p.audiences.SSHSign}, crt, &jwtPayload{
Claims: sshClaims,
}, false},
{"fail parse", p, args{"bad.token", p.audiences.Sign}, nil, nil, true},
{"fail header", p, args{simpleToken, p.audiences.Sign}, nil, nil, true},
{"fail verify", p2, args{ok, p.audiences.Sign}, nil, nil, true},
{"fail claims nbf", p, args{failNotBefore, p.audiences.Sign}, nil, nil, true},
{"fail claims iss", p, args{failIssuer, p.audiences.Sign}, nil, nil, true},
{"fail claims aud", p, args{failAudience, p.audiences.Sign}, nil, nil, true},
{"fail claims sub", p, args{failSubject, p.audiences.Sign}, nil, nil, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, got1, err := tt.p.authorizeToken(tt.args.token, tt.args.audiences)
if (err != nil) != tt.wantErr {
t.Errorf("Nebula.authorizeToken() error = %v, wantErr %v", err, tt.wantErr)
return
}
if !reflect.DeepEqual(got, tt.want) {
t.Errorf("Nebula.authorizeToken() got = %#v, want %#v", got, tt.want)
t.Error(cmp.Equal(got, tt.want))
}
if got1 != nil && tt.want1 != nil {
tt.want1.ID = got1.ID
}
if !reflect.DeepEqual(got1, tt.want1) {
t.Errorf("Nebula.authorizeToken() got1 = %v, want %v", got1, tt.want1)
}
})
}
}
func Test_nebulaSANsValidator_Valid(t *testing.T) {
ipNet := mustNebulaIPNet(t, "10.1.2.3/16")
type fields struct {
Name string
IPs []*net.IPNet
}
type args struct {
req *x509.CertificateRequest
}
tests := []struct {
name string
fields fields
args args
wantErr bool
}{
{"ok", fields{"dns.name", []*net.IPNet{ipNet}}, args{&x509.CertificateRequest{
DNSNames: []string{"dns.name"},
IPAddresses: []net.IP{net.IPv4(10, 1, 2, 3)},
}}, false},
{"ok name only", fields{"dns.name", []*net.IPNet{ipNet}}, args{&x509.CertificateRequest{
DNSNames: []string{"dns.name"},
}}, false},
{"ok ip only", fields{"dns.name", []*net.IPNet{ipNet}}, args{&x509.CertificateRequest{
IPAddresses: []net.IP{net.IPv4(10, 1, 2, 3)},
}}, false},
{"ok email name", fields{"jane@doe.org", []*net.IPNet{ipNet}}, args{&x509.CertificateRequest{
EmailAddresses: []string{"jane@doe.org"},
IPAddresses: []net.IP{net.IPv4(10, 1, 2, 3)},
}}, false},
{"ok uri name", fields{"urn:foobar", []*net.IPNet{ipNet}}, args{&x509.CertificateRequest{
URIs: []*url.URL{{Scheme: "urn", Opaque: "foobar"}},
IPAddresses: []net.IP{net.IPv4(10, 1, 2, 3)},
}}, false},
{"ok ip name", fields{"127.0.0.1", []*net.IPNet{ipNet}}, args{&x509.CertificateRequest{
IPAddresses: []net.IP{net.IPv4(127, 0, 0, 1), net.IPv4(10, 1, 2, 3)},
}}, false},
{"ok multiple ips", fields{"dns.name", []*net.IPNet{ipNet, mustNebulaIPNet(t, "10.2.2.3/8")}}, args{&x509.CertificateRequest{
DNSNames: []string{"dns.name"},
IPAddresses: []net.IP{net.IPv4(10, 1, 2, 3), net.IPv4(10, 2, 2, 3)},
}}, false},
{"fail dns", fields{"fail.name", []*net.IPNet{ipNet}}, args{&x509.CertificateRequest{
DNSNames: []string{"dns.name"},
IPAddresses: []net.IP{net.IPv4(10, 1, 2, 3)},
}}, true},
{"fail email", fields{"fail@doe.org", []*net.IPNet{ipNet}}, args{&x509.CertificateRequest{
EmailAddresses: []string{"jane@doe.org"},
IPAddresses: []net.IP{net.IPv4(10, 1, 2, 3)},
}}, true},
{"fail uri", fields{"urn:barfoo", []*net.IPNet{ipNet}}, args{&x509.CertificateRequest{
URIs: []*url.URL{{Scheme: "urn", Opaque: "foobar"}},
IPAddresses: []net.IP{net.IPv4(10, 1, 2, 3)},
}}, true},
{"fail ip", fields{"127.0.0.1", []*net.IPNet{ipNet}}, args{&x509.CertificateRequest{
IPAddresses: []net.IP{net.IPv4(10, 1, 2, 1), net.IPv4(10, 1, 2, 3)},
}}, true},
{"fail nebula ip", fields{"dns.name", []*net.IPNet{ipNet}}, args{&x509.CertificateRequest{
DNSNames: []string{"dns.name"},
IPAddresses: []net.IP{net.IPv4(10, 2, 2, 3)},
}}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
v := nebulaSANsValidator{
Name: tt.fields.Name,
IPs: tt.fields.IPs,
}
if err := v.Valid(tt.args.req); (err != nil) != tt.wantErr {
t.Errorf("nebulaSANsValidator.Valid() error = %v, wantErr %v", err, tt.wantErr)
}
})
}
}
func Test_nebulaPrincipalsValidator_Valid(t *testing.T) {
ipNet := mustNebulaIPNet(t, "10.1.2.3/16")
type fields struct {
Name string
IPs []*net.IPNet
}
type args struct {
got SignSSHOptions
}
tests := []struct {
name string
fields fields
args args
wantErr bool
}{
{"ok", fields{"dns.name", []*net.IPNet{ipNet}}, args{SignSSHOptions{
Principals: []string{"dns.name", "10.1.2.3"},
}}, false},
{"ok name", fields{"dns.name", []*net.IPNet{ipNet}}, args{SignSSHOptions{
Principals: []string{"dns.name"},
}}, false},
{"ok ip", fields{"dns.name", []*net.IPNet{ipNet}}, args{SignSSHOptions{
Principals: []string{"10.1.2.3"},
}}, false},
{"fail name", fields{"dns.name", []*net.IPNet{ipNet}}, args{SignSSHOptions{
Principals: []string{"foo.name", "10.1.2.3"},
}}, true},
{"fail ip", fields{"dns.name", []*net.IPNet{ipNet}}, args{SignSSHOptions{
Principals: []string{"dns.name", "10.2.2.3"},
}}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
v := nebulaPrincipalsValidator{
Name: tt.fields.Name,
IPs: tt.fields.IPs,
}
if err := v.Valid(tt.args.got); (err != nil) != tt.wantErr {
t.Errorf("nebulaPrincipalsValidator.Valid() error = %v, wantErr %v", err, tt.wantErr)
}
})
}
}