certificates/authority/provisioner/aws_test.go

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package provisioner
import (
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"context"
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"crypto"
"crypto/rand"
"crypto/rsa"
"crypto/sha256"
"crypto/x509"
"encoding/hex"
"encoding/pem"
"fmt"
"net/url"
"strings"
"testing"
"time"
"github.com/smallstep/assert"
"github.com/smallstep/cli/jose"
)
func TestAWS_Getters(t *testing.T) {
p, err := generateAWS()
assert.FatalError(t, err)
aud := "aws/" + p.Name
if got := p.GetID(); got != aud {
t.Errorf("AWS.GetID() = %v, want %v", got, aud)
}
if got := p.GetName(); got != p.Name {
t.Errorf("AWS.GetName() = %v, want %v", got, p.Name)
}
if got := p.GetType(); got != TypeAWS {
t.Errorf("AWS.GetType() = %v, want %v", got, TypeAWS)
}
kid, key, ok := p.GetEncryptedKey()
if kid != "" || key != "" || ok == true {
t.Errorf("AWS.GetEncryptedKey() = (%v, %v, %v), want (%v, %v, %v)",
kid, key, ok, "", "", false)
}
}
func TestAWS_GetTokenID(t *testing.T) {
p1, srv, err := generateAWSWithServer()
assert.FatalError(t, err)
defer srv.Close()
p2, err := generateAWS()
assert.FatalError(t, err)
p2.Accounts = p1.Accounts
p2.config = p1.config
p2.DisableTrustOnFirstUse = true
t1, err := p1.GetIdentityToken("foo.local", "https://ca.smallstep.com")
assert.FatalError(t, err)
_, claims, err := parseAWSToken(t1)
assert.FatalError(t, err)
sum := sha256.Sum256([]byte(fmt.Sprintf("%s.%s", p1.GetID(), claims.document.InstanceID)))
w1 := strings.ToLower(hex.EncodeToString(sum[:]))
t2, err := p2.GetIdentityToken("foo.local", "https://ca.smallstep.com")
assert.FatalError(t, err)
sum = sha256.Sum256([]byte(t2))
w2 := strings.ToLower(hex.EncodeToString(sum[:]))
type args struct {
token string
}
tests := []struct {
name string
aws *AWS
args args
want string
wantErr bool
}{
{"ok", p1, args{t1}, w1, false},
{"ok no TOFU", p2, args{t2}, w2, false},
{"fail", p1, args{"bad-token"}, "", true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := tt.aws.GetTokenID(tt.args.token)
if (err != nil) != tt.wantErr {
t.Errorf("AWS.GetTokenID() error = %v, wantErr %v", err, tt.wantErr)
return
}
if got != tt.want {
t.Errorf("AWS.GetTokenID() = %v, want %v", got, tt.want)
}
})
}
}
func TestAWS_GetIdentityToken(t *testing.T) {
p1, srv, err := generateAWSWithServer()
assert.FatalError(t, err)
defer srv.Close()
p2, err := generateAWS()
assert.FatalError(t, err)
p2.Accounts = p1.Accounts
p2.config.identityURL = srv.URL + "/bad-document"
p2.config.signatureURL = p1.config.signatureURL
p3, err := generateAWS()
assert.FatalError(t, err)
p3.Accounts = p1.Accounts
p3.config.signatureURL = srv.URL
p3.config.identityURL = p1.config.identityURL
p4, err := generateAWS()
assert.FatalError(t, err)
p4.Accounts = p1.Accounts
p4.config.signatureURL = srv.URL + "/bad-signature"
p4.config.identityURL = p1.config.identityURL
p5, err := generateAWS()
assert.FatalError(t, err)
p5.Accounts = p1.Accounts
p5.config.identityURL = "https://1234.1234.1234.1234"
p5.config.signatureURL = p1.config.signatureURL
p6, err := generateAWS()
assert.FatalError(t, err)
p6.Accounts = p1.Accounts
p6.config.identityURL = p1.config.identityURL
p6.config.signatureURL = "https://1234.1234.1234.1234"
p7, err := generateAWS()
assert.FatalError(t, err)
p7.Accounts = p1.Accounts
p7.config.identityURL = srv.URL + "/bad-json"
p7.config.signatureURL = p1.config.signatureURL
caURL := "https://ca.smallstep.com"
u, err := url.Parse(caURL)
assert.FatalError(t, err)
type args struct {
subject string
caURL string
}
tests := []struct {
name string
aws *AWS
args args
wantErr bool
}{
{"ok", p1, args{"foo.local", caURL}, false},
{"fail ca url", p1, args{"foo.local", "://ca.smallstep.com"}, true},
{"fail identityURL", p2, args{"foo.local", caURL}, true},
{"fail signatureURL", p3, args{"foo.local", caURL}, true},
{"fail signature", p4, args{"foo.local", caURL}, true},
{"fail read identityURL", p5, args{"foo.local", caURL}, true},
{"fail read signatureURL", p6, args{"foo.local", caURL}, true},
{"fail unmarshal identityURL", p7, args{"foo.local", caURL}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := tt.aws.GetIdentityToken(tt.args.subject, tt.args.caURL)
if (err != nil) != tt.wantErr {
t.Errorf("AWS.GetIdentityToken() error = %v, wantErr %v", err, tt.wantErr)
return
}
if tt.wantErr == false {
_, c, err := parseAWSToken(got)
if assert.NoError(t, err) {
assert.Equals(t, awsIssuer, c.Issuer)
assert.Equals(t, tt.args.subject, c.Subject)
assert.Equals(t, jose.Audience{u.ResolveReference(&url.URL{Path: "/1.0/sign", Fragment: tt.aws.GetID()}).String()}, c.Audience)
assert.Equals(t, tt.aws.Accounts[0], c.document.AccountID)
err = tt.aws.config.certificate.CheckSignature(
tt.aws.config.signatureAlgorithm, c.Amazon.Document, c.Amazon.Signature)
assert.NoError(t, err)
}
}
})
}
}
func TestAWS_Init(t *testing.T) {
config := Config{
Claims: globalProvisionerClaims,
}
badClaims := &Claims{
DefaultTLSDur: &Duration{0},
}
zero := Duration{Duration: 0}
type fields struct {
Type string
Name string
Accounts []string
DisableCustomSANs bool
DisableTrustOnFirstUse bool
InstanceAge Duration
Claims *Claims
}
type args struct {
config Config
}
tests := []struct {
name string
fields fields
args args
wantErr bool
}{
{"ok", fields{"AWS", "name", []string{"account"}, false, false, zero, nil}, args{config}, false},
{"ok", fields{"AWS", "name", []string{"account"}, true, true, Duration{Duration: 1 * time.Minute}, nil}, args{config}, false},
{"fail type ", fields{"", "name", []string{"account"}, false, false, zero, nil}, args{config}, true},
{"fail name", fields{"AWS", "", []string{"account"}, false, false, zero, nil}, args{config}, true},
{"bad instance age", fields{"AWS", "name", []string{"account"}, false, false, Duration{Duration: -1 * time.Minute}, nil}, args{config}, true},
{"fail claims", fields{"AWS", "name", []string{"account"}, false, false, zero, badClaims}, args{config}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
p := &AWS{
Type: tt.fields.Type,
Name: tt.fields.Name,
Accounts: tt.fields.Accounts,
DisableCustomSANs: tt.fields.DisableCustomSANs,
DisableTrustOnFirstUse: tt.fields.DisableTrustOnFirstUse,
InstanceAge: tt.fields.InstanceAge,
Claims: tt.fields.Claims,
}
if err := p.Init(tt.args.config); (err != nil) != tt.wantErr {
t.Errorf("AWS.Init() error = %v, wantErr %v", err, tt.wantErr)
}
})
}
}
func TestAWS_AuthorizeSign(t *testing.T) {
p1, srv, err := generateAWSWithServer()
assert.FatalError(t, err)
defer srv.Close()
p2, err := generateAWS()
assert.FatalError(t, err)
p2.Accounts = p1.Accounts
p2.config = p1.config
p2.DisableCustomSANs = true
p2.InstanceAge = Duration{1 * time.Minute}
p3, err := generateAWS()
assert.FatalError(t, err)
p3.config = p1.config
t1, err := p1.GetIdentityToken("foo.local", "https://ca.smallstep.com")
assert.FatalError(t, err)
t2, err := p2.GetIdentityToken("instance-id", "https://ca.smallstep.com")
assert.FatalError(t, err)
assert.FatalError(t, err)
t3, err := p3.GetIdentityToken("foo.local", "https://ca.smallstep.com")
assert.FatalError(t, err)
// Alternative common names with DisableCustomSANs = true
t2PrivateIP, err := p2.GetIdentityToken("127.0.0.1", "https://ca.smallstep.com")
assert.FatalError(t, err)
t2Hostname, err := p2.GetIdentityToken("ip-127-0-0-1.us-west-1.compute.internal", "https://ca.smallstep.com")
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assert.FatalError(t, err)
block, _ := pem.Decode([]byte(awsTestKey))
if block == nil || block.Type != "RSA PRIVATE KEY" {
t.Fatal("error decoding AWS key")
}
key, err := x509.ParsePKCS1PrivateKey(block.Bytes)
assert.FatalError(t, err)
badKey, err := rsa.GenerateKey(rand.Reader, 1024)
assert.FatalError(t, err)
t4, err := generateAWSToken(
"instance-id", awsIssuer, p1.GetID(), p1.Accounts[0], "instance-id",
"127.0.0.1", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
failSubject, err := generateAWSToken(
"bad-subject", awsIssuer, p2.GetID(), p2.Accounts[0], "instance-id",
"127.0.0.1", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
failIssuer, err := generateAWSToken(
"instance-id", "bad-issuer", p1.GetID(), p1.Accounts[0], "instance-id",
"127.0.0.1", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
failAudience, err := generateAWSToken(
"instance-id", awsIssuer, "bad-audience", p1.Accounts[0], "instance-id",
"127.0.0.1", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
failAccount, err := generateAWSToken(
"instance-id", awsIssuer, p1.GetID(), "", "instance-id",
"127.0.0.1", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
failInstanceID, err := generateAWSToken(
"instance-id", awsIssuer, p1.GetID(), p1.Accounts[0], "",
"127.0.0.1", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
failPrivateIP, err := generateAWSToken(
"instance-id", awsIssuer, p1.GetID(), p1.Accounts[0], "instance-id",
"", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
failRegion, err := generateAWSToken(
"instance-id", awsIssuer, p1.GetID(), p1.Accounts[0], "instance-id",
"127.0.0.1", "", time.Now(), key)
assert.FatalError(t, err)
failExp, err := generateAWSToken(
"instance-id", awsIssuer, p1.GetID(), p1.Accounts[0], "instance-id",
"127.0.0.1", "us-west-1", time.Now().Add(-360*time.Second), key)
assert.FatalError(t, err)
failNbf, err := generateAWSToken(
"instance-id", awsIssuer, p1.GetID(), p1.Accounts[0], "instance-id",
"127.0.0.1", "us-west-1", time.Now().Add(360*time.Second), key)
assert.FatalError(t, err)
failKey, err := generateAWSToken(
"instance-id", awsIssuer, p1.GetID(), p1.Accounts[0], "instance-id",
"127.0.0.1", "us-west-1", time.Now(), badKey)
assert.FatalError(t, err)
failInstanceAge, err := generateAWSToken(
"instance-id", awsIssuer, p2.GetID(), p2.Accounts[0], "instance-id",
"127.0.0.1", "us-west-1", time.Now().Add(-1*time.Minute), key)
assert.FatalError(t, err)
type args struct {
token string
}
tests := []struct {
name string
aws *AWS
args args
wantLen int
wantErr bool
}{
{"ok", p1, args{t1}, 5, false},
{"ok", p2, args{t2}, 7, false},
{"ok", p2, args{t2Hostname}, 7, false},
{"ok", p2, args{t2PrivateIP}, 7, false},
{"ok", p1, args{t4}, 5, false},
{"fail account", p3, args{t3}, 0, true},
{"fail token", p1, args{"token"}, 0, true},
{"fail subject", p1, args{failSubject}, 0, true},
{"fail issuer", p1, args{failIssuer}, 0, true},
{"fail audience", p1, args{failAudience}, 0, true},
{"fail account", p1, args{failAccount}, 0, true},
{"fail instanceID", p1, args{failInstanceID}, 0, true},
{"fail privateIP", p1, args{failPrivateIP}, 0, true},
{"fail region", p1, args{failRegion}, 0, true},
{"fail exp", p1, args{failExp}, 0, true},
{"fail nbf", p1, args{failNbf}, 0, true},
{"fail key", p1, args{failKey}, 0, true},
{"fail instance age", p2, args{failInstanceAge}, 0, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
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ctx := NewContextWithMethod(context.Background(), SignMethod)
got, err := tt.aws.AuthorizeSign(ctx, tt.args.token)
if (err != nil) != tt.wantErr {
t.Errorf("AWS.AuthorizeSign() error = %v, wantErr %v", err, tt.wantErr)
return
}
assert.Len(t, tt.wantLen, got)
})
}
}
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func TestAWS_AuthorizeSign_SSH(t *testing.T) {
tm, fn := mockNow()
defer fn()
p1, srv, err := generateAWSWithServer()
assert.FatalError(t, err)
defer srv.Close()
t1, err := p1.GetIdentityToken("foo.local", "https://ca.smallstep.com")
assert.FatalError(t, err)
key, err := generateJSONWebKey()
assert.FatalError(t, err)
signer, err := generateJSONWebKey()
assert.FatalError(t, err)
pub := key.Public().Key
rsa2048, err := rsa.GenerateKey(rand.Reader, 2048)
assert.FatalError(t, err)
rsa1024, err := rsa.GenerateKey(rand.Reader, 1024)
assert.FatalError(t, err)
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hostDuration := p1.claimer.DefaultHostSSHCertDuration()
expectedHostOptions := &SSHOptions{
CertType: "host", Principals: []string{"127.0.0.1", "ip-127-0-0-1.us-west-1.compute.internal"},
ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(hostDuration)),
}
expectedHostOptionsIP := &SSHOptions{
CertType: "host", Principals: []string{"127.0.0.1"},
ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(hostDuration)),
}
expectedHostOptionsHostname := &SSHOptions{
CertType: "host", Principals: []string{"ip-127-0-0-1.us-west-1.compute.internal"},
ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(hostDuration)),
}
type args struct {
token string
sshOpts SSHOptions
key interface{}
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}
tests := []struct {
name string
aws *AWS
args args
expected *SSHOptions
wantErr bool
wantSignErr bool
}{
{"ok", p1, args{t1, SSHOptions{}, pub}, expectedHostOptions, false, false},
{"ok-rsa2048", p1, args{t1, SSHOptions{}, rsa2048.Public()}, expectedHostOptions, false, false},
{"ok-type", p1, args{t1, SSHOptions{CertType: "host"}, pub}, expectedHostOptions, false, false},
{"ok-principals", p1, args{t1, SSHOptions{Principals: []string{"127.0.0.1", "ip-127-0-0-1.us-west-1.compute.internal"}}, pub}, expectedHostOptions, false, false},
{"ok-principal-ip", p1, args{t1, SSHOptions{Principals: []string{"127.0.0.1"}}, pub}, expectedHostOptionsIP, false, false},
{"ok-principal-hostname", p1, args{t1, SSHOptions{Principals: []string{"ip-127-0-0-1.us-west-1.compute.internal"}}, pub}, expectedHostOptionsHostname, false, false},
{"ok-options", p1, args{t1, SSHOptions{CertType: "host", Principals: []string{"127.0.0.1", "ip-127-0-0-1.us-west-1.compute.internal"}}, pub}, expectedHostOptions, false, false},
{"fail-rsa1024", p1, args{t1, SSHOptions{}, rsa1024.Public()}, expectedHostOptions, false, true},
{"fail-type", p1, args{t1, SSHOptions{CertType: "user"}, pub}, nil, false, true},
{"fail-principal", p1, args{t1, SSHOptions{Principals: []string{"smallstep.com"}}, pub}, nil, false, true},
{"fail-extra-principal", p1, args{t1, SSHOptions{Principals: []string{"127.0.0.1", "ip-127-0-0-1.us-west-1.compute.internal", "smallstep.com"}}, pub}, nil, false, true},
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}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
ctx := NewContextWithMethod(context.Background(), SignSSHMethod)
got, err := tt.aws.AuthorizeSign(ctx, tt.args.token)
if (err != nil) != tt.wantErr {
t.Errorf("AWS.AuthorizeSign() error = %v, wantErr %v", err, tt.wantErr)
return
}
if err != nil {
assert.Nil(t, got)
} else if assert.NotNil(t, got) {
cert, err := signSSHCertificate(tt.args.key, tt.args.sshOpts, got, signer.Key.(crypto.Signer))
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if (err != nil) != tt.wantSignErr {
t.Errorf("SignSSH error = %v, wantSignErr %v", err, tt.wantSignErr)
} else {
if tt.wantSignErr {
assert.Nil(t, cert)
} else {
assert.NoError(t, validateSSHCertificate(cert, tt.expected))
}
}
}
})
}
}
func TestAWS_AuthorizeRenew(t *testing.T) {
p1, err := generateAWS()
assert.FatalError(t, err)
p2, err := generateAWS()
assert.FatalError(t, err)
// disable renewal
disable := true
p2.Claims = &Claims{DisableRenewal: &disable}
p2.claimer, err = NewClaimer(p2.Claims, globalProvisionerClaims)
assert.FatalError(t, err)
type args struct {
cert *x509.Certificate
}
tests := []struct {
name string
aws *AWS
args args
wantErr bool
}{
{"ok", p1, args{nil}, false},
{"fail", p2, args{nil}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if err := tt.aws.AuthorizeRenew(context.TODO(), tt.args.cert); (err != nil) != tt.wantErr {
t.Errorf("AWS.AuthorizeRenew() error = %v, wantErr %v", err, tt.wantErr)
}
})
}
}
func TestAWS_AuthorizeRevoke(t *testing.T) {
p1, srv, err := generateAWSWithServer()
assert.FatalError(t, err)
defer srv.Close()
t1, err := p1.GetIdentityToken("foo.local", "https://ca.smallstep.com")
assert.FatalError(t, err)
type args struct {
token string
}
tests := []struct {
name string
aws *AWS
args args
wantErr bool
}{
{"ok", p1, args{t1}, true}, // revoke is disabled
{"fail", p1, args{"token"}, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
if err := tt.aws.AuthorizeRevoke(context.TODO(), tt.args.token); (err != nil) != tt.wantErr {
t.Errorf("AWS.AuthorizeRevoke() error = %v, wantErr %v", err, tt.wantErr)
}
})
}
}