smallstep-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"
"errors"
"fmt"
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"net"
"net/http"
"net/url"
"strings"
"testing"
"time"
"go.step.sm/crypto/jose"
"github.com/smallstep/assert"
"github.com/smallstep/certificates/api/render"
)
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
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p2.config.tokenURL = p1.config.tokenURL
p3, err := generateAWS()
assert.FatalError(t, err)
p3.Accounts = p1.Accounts
p3.config.signatureURL = srv.URL
p3.config.identityURL = p1.config.identityURL
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p3.config.tokenURL = p1.config.tokenURL
p4, err := generateAWS()
assert.FatalError(t, err)
p4.Accounts = p1.Accounts
p4.config.signatureURL = srv.URL + "/bad-signature"
p4.config.identityURL = p1.config.identityURL
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p4.config.tokenURL = p1.config.tokenURL
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
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p5.config.tokenURL = p1.config.tokenURL
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"
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p6.config.tokenURL = p1.config.tokenURL
p7, err := generateAWS()
assert.FatalError(t, err)
p7.Accounts = p1.Accounts
p7.config.identityURL = srv.URL + "/bad-json"
p7.config.signatureURL = p1.config.signatureURL
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p7.config.tokenURL = p1.config.tokenURL
p8, err := generateAWS()
assert.FatalError(t, err)
p8.IMDSVersions = nil
p8.Accounts = p1.Accounts
p8.config = p1.config
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},
{"ok no imds", p8, 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)
for _, crt := range tt.aws.config.certificates {
err = crt.CheckSignature(tt.aws.config.signatureAlgorithm, c.Amazon.Document, c.Amazon.Signature)
if err == nil {
break
}
}
assert.NoError(t, err)
}
}
})
}
}
func TestAWS_GetIdentityToken_V1Only(t *testing.T) {
aws, srv, err := generateAWSWithServerV1Only()
assert.FatalError(t, err)
defer srv.Close()
subject := "foo.local"
caURL := "https://ca.smallstep.com"
u, err := url.Parse(caURL)
assert.Nil(t, err)
token, err := aws.GetIdentityToken(subject, caURL)
assert.Nil(t, err)
_, c, err := parseAWSToken(token)
if assert.NoError(t, err) {
assert.Equals(t, awsIssuer, c.Issuer)
assert.Equals(t, subject, c.Subject)
assert.Equals(t, jose.Audience{u.ResolveReference(&url.URL{Path: "/1.0/sign", Fragment: aws.GetID()}).String()}, c.Audience)
assert.Equals(t, aws.Accounts[0], c.document.AccountID)
for _, crt := range aws.config.certificates {
err = crt.CheckSignature(aws.config.signatureAlgorithm, c.Amazon.Document, c.Amazon.Signature)
if err == nil {
break
}
}
assert.NoError(t, err)
}
}
func TestAWS_GetIdentityToken_BadIDMS(t *testing.T) {
aws, srv, err := generateAWSWithServer()
aws.IMDSVersions = []string{"bad"}
assert.FatalError(t, err)
defer srv.Close()
subject := "foo.local"
caURL := "https://ca.smallstep.com"
token, err := aws.GetIdentityToken(subject, caURL)
assert.Equals(t, token, "")
badIDMS := errors.New("bad: not a supported AWS Instance Metadata Service version")
assert.HasSuffix(t, err.Error(), badIDMS.Error())
}
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
IMDSVersions []string
IIDRoots string
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, []string{"v1", "v2"}, "", nil}, args{config}, false},
{"ok/v1", fields{"AWS", "name", []string{"account"}, false, false, zero, []string{"v1"}, "", nil}, args{config}, false},
{"ok/v2", fields{"AWS", "name", []string{"account"}, false, false, zero, []string{"v2"}, "", nil}, args{config}, false},
{"ok/empty", fields{"AWS", "name", []string{"account"}, false, false, zero, []string{}, "", nil}, args{config}, false},
{"ok/duration", fields{"AWS", "name", []string{"account"}, true, true, Duration{Duration: 1 * time.Minute}, []string{"v1", "v2"}, "", nil}, args{config}, false},
{"ok/cert", fields{"AWS", "name", []string{"account"}, false, false, zero, []string{"v1", "v2"}, "testdata/certs/aws.crt", nil}, args{config}, false},
{"fail type ", fields{"", "name", []string{"account"}, false, false, zero, []string{"v1", "v2"}, "", nil}, args{config}, true},
{"fail name", fields{"AWS", "", []string{"account"}, false, false, zero, []string{"v1", "v2"}, "", nil}, args{config}, true},
{"bad instance age", fields{"AWS", "name", []string{"account"}, false, false, Duration{Duration: -1 * time.Minute}, []string{"v1", "v2"}, "", nil}, args{config}, true},
{"fail/imds", fields{"AWS", "name", []string{"account"}, false, false, zero, []string{"bad"}, "", nil}, args{config}, true},
{"fail/missing", fields{"AWS", "name", []string{"account"}, false, false, zero, []string{"bad"}, "testdata/missing.crt", nil}, args{config}, true},
{"fail/cert", fields{"AWS", "name", []string{"account"}, false, false, zero, []string{"bad"}, "testdata/certs/rsa.csr", nil}, args{config}, true},
{"fail claims", fields{"AWS", "name", []string{"account"}, false, false, zero, []string{"v1", "v2"}, "", 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,
IMDSVersions: tt.fields.IMDSVersions,
IIDRoots: tt.fields.IIDRoots,
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_authorizeToken(t *testing.T) {
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, 2048)
assert.FatalError(t, err)
type test struct {
p *AWS
token string
err error
code int
}
tests := map[string]func(*testing.T) test{
"fail/bad-token": func(t *testing.T) test {
p, err := generateAWS()
assert.FatalError(t, err)
return test{
p: p,
token: "foo",
code: http.StatusUnauthorized,
err: errors.New("aws.authorizeToken; error parsing aws token"),
}
},
"fail/cannot-validate-sig": func(t *testing.T) test {
p, err := generateAWS()
assert.FatalError(t, err)
tok, err := generateAWSToken(
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p, "instance-id", awsIssuer, p.GetID(), p.Accounts[0], "instance-id",
"127.0.0.1", "us-west-1", time.Now(), badKey)
assert.FatalError(t, err)
return test{
p: p,
token: tok,
code: http.StatusUnauthorized,
err: errors.New("aws.authorizeToken; invalid aws token signature"),
}
},
"fail/empty-account-id": func(t *testing.T) test {
p, err := generateAWS()
assert.FatalError(t, err)
tok, err := generateAWSToken(
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p, "instance-id", awsIssuer, p.GetID(), "", "instance-id",
"127.0.0.1", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
return test{
p: p,
token: tok,
code: http.StatusUnauthorized,
err: errors.New("aws.authorizeToken; aws identity document accountId cannot be empty"),
}
},
"fail/empty-instance-id": func(t *testing.T) test {
p, err := generateAWS()
assert.FatalError(t, err)
tok, err := generateAWSToken(
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p, "instance-id", awsIssuer, p.GetID(), p.Accounts[0], "",
"127.0.0.1", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
return test{
p: p,
token: tok,
code: http.StatusUnauthorized,
err: errors.New("aws.authorizeToken; aws identity document instanceId cannot be empty"),
}
},
"fail/empty-private-ip": func(t *testing.T) test {
p, err := generateAWS()
assert.FatalError(t, err)
tok, err := generateAWSToken(
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p, "instance-id", awsIssuer, p.GetID(), p.Accounts[0], "instance-id",
"", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
return test{
p: p,
token: tok,
code: http.StatusUnauthorized,
err: errors.New("aws.authorizeToken; aws identity document privateIp cannot be empty"),
}
},
"fail/empty-region": func(t *testing.T) test {
p, err := generateAWS()
assert.FatalError(t, err)
tok, err := generateAWSToken(
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p, "instance-id", awsIssuer, p.GetID(), p.Accounts[0], "instance-id",
"127.0.0.1", "", time.Now(), key)
assert.FatalError(t, err)
return test{
p: p,
token: tok,
code: http.StatusUnauthorized,
err: errors.New("aws.authorizeToken; aws identity document region cannot be empty"),
}
},
"fail/invalid-token-issuer": func(t *testing.T) test {
p, err := generateAWS()
assert.FatalError(t, err)
tok, err := generateAWSToken(
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p, "instance-id", "bad-issuer", p.GetID(), p.Accounts[0], "instance-id",
"127.0.0.1", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
return test{
p: p,
token: tok,
code: http.StatusUnauthorized,
err: errors.New("aws.authorizeToken; invalid aws token"),
}
},
"fail/invalid-audience": func(t *testing.T) test {
p, err := generateAWS()
assert.FatalError(t, err)
tok, err := generateAWSToken(
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p, "instance-id", awsIssuer, "bad-audience", p.Accounts[0], "instance-id",
"127.0.0.1", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
return test{
p: p,
token: tok,
code: http.StatusUnauthorized,
err: errors.New("aws.authorizeToken; invalid token - invalid audience claim (aud)"),
}
},
"fail/invalid-subject-disabled-custom-SANs": func(t *testing.T) test {
p, err := generateAWS()
assert.FatalError(t, err)
p.DisableCustomSANs = true
tok, err := generateAWSToken(
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p, "foo", awsIssuer, p.GetID(), p.Accounts[0], "instance-id",
"127.0.0.1", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
return test{
p: p,
token: tok,
code: http.StatusUnauthorized,
err: errors.New("aws.authorizeToken; invalid token - invalid subject claim (sub)"),
}
},
"fail/invalid-account-id": func(t *testing.T) test {
p, err := generateAWS()
assert.FatalError(t, err)
tok, err := generateAWSToken(
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p, "instance-id", awsIssuer, p.GetID(), "foo", "instance-id",
"127.0.0.1", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
return test{
p: p,
token: tok,
code: http.StatusUnauthorized,
err: errors.New("aws.authorizeToken; invalid aws identity document - accountId is not valid"),
}
},
"fail/instance-age": func(t *testing.T) test {
p, err := generateAWS()
assert.FatalError(t, err)
p.InstanceAge = Duration{1 * time.Minute}
tok, err := generateAWSToken(
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p, "instance-id", awsIssuer, p.GetID(), p.Accounts[0], "instance-id",
"127.0.0.1", "us-west-1", time.Now().Add(-1*time.Minute), key)
assert.FatalError(t, err)
return test{
p: p,
token: tok,
code: http.StatusUnauthorized,
err: errors.New("aws.authorizeToken; aws identity document pendingTime is too old"),
}
},
"ok": func(t *testing.T) test {
p, err := generateAWS()
assert.FatalError(t, err)
tok, err := generateAWSToken(
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p, "instance-id", awsIssuer, p.GetID(), p.Accounts[0], "instance-id",
"127.0.0.1", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
return test{
p: p,
token: tok,
}
},
"ok/identityCert": func(t *testing.T) test {
p, err := generateAWS()
p.IIDRoots = "testdata/certs/aws-test.crt"
assert.FatalError(t, err)
tok, err := generateAWSToken(
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p, "instance-id", awsIssuer, p.GetID(), p.Accounts[0], "instance-id",
"127.0.0.1", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
return test{
p: p,
token: tok,
}
},
"ok/identityCert2": func(t *testing.T) test {
p, err := generateAWS()
p.IIDRoots = "testdata/certs/aws.crt"
assert.FatalError(t, err)
tok, err := generateAWSToken(
p, "instance-id", awsIssuer, p.GetID(), p.Accounts[0], "instance-id",
"127.0.0.1", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
return test{
p: p,
token: tok,
}
},
}
for name, tt := range tests {
t.Run(name, func(t *testing.T) {
tc := tt(t)
if claims, err := tc.p.authorizeToken(tc.token); err != nil {
if assert.NotNil(t, tc.err) {
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var sc render.StatusCodedError
assert.Fatal(t, errors.As(err, &sc), "error does not implement StatusCodedError interface")
assert.Equals(t, sc.StatusCode(), tc.code)
assert.HasPrefix(t, err.Error(), tc.err.Error())
}
} else {
if assert.Nil(t, tc.err) && assert.NotNil(t, claims) {
assert.Equals(t, claims.Subject, "instance-id")
assert.Equals(t, claims.Issuer, awsIssuer)
assert.NotNil(t, claims.Amazon)
aud, err := generateSignAudience("https://ca.smallstep.com", tc.p.GetID())
assert.FatalError(t, err)
assert.Equals(t, claims.Audience[0], aud)
}
}
})
}
}
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, 2048)
assert.FatalError(t, err)
t4, err := generateAWSToken(
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p1, "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(
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p2, "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(
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p1, "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(
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p1, "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(
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p1, "instance-id", awsIssuer, p1.GetID(), "", "instance-id",
"127.0.0.1", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
failInstanceID, err := generateAWSToken(
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p1, "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(
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p1, "instance-id", awsIssuer, p1.GetID(), p1.Accounts[0], "instance-id",
"", "us-west-1", time.Now(), key)
assert.FatalError(t, err)
failRegion, err := generateAWSToken(
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p1, "instance-id", awsIssuer, p1.GetID(), p1.Accounts[0], "instance-id",
"127.0.0.1", "", time.Now(), key)
assert.FatalError(t, err)
failExp, err := generateAWSToken(
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p1, "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(
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p1, "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(
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p1, "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(
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p2, "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 {
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token, cn string
}
tests := []struct {
name string
aws *AWS
args args
wantLen int
code int
wantErr bool
}{
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{"ok", p1, args{t1, "foo.local"}, 9, http.StatusOK, false},
{"ok", p2, args{t2, "instance-id"}, 13, http.StatusOK, false},
{"ok", p2, args{t2Hostname, "ip-127-0-0-1.us-west-1.compute.internal"}, 13, http.StatusOK, false},
{"ok", p2, args{t2PrivateIP, "127.0.0.1"}, 13, http.StatusOK, false},
{"ok", p1, args{t4, "instance-id"}, 9, http.StatusOK, false},
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{"fail account", p3, args{token: t3}, 0, http.StatusUnauthorized, true},
{"fail token", p1, args{token: "token"}, 0, http.StatusUnauthorized, true},
{"fail subject", p1, args{token: failSubject}, 0, http.StatusUnauthorized, true},
{"fail issuer", p1, args{token: failIssuer}, 0, http.StatusUnauthorized, true},
{"fail audience", p1, args{token: failAudience}, 0, http.StatusUnauthorized, true},
{"fail account", p1, args{token: failAccount}, 0, http.StatusUnauthorized, true},
{"fail instanceID", p1, args{token: failInstanceID}, 0, http.StatusUnauthorized, true},
{"fail privateIP", p1, args{token: failPrivateIP}, 0, http.StatusUnauthorized, true},
{"fail region", p1, args{token: failRegion}, 0, http.StatusUnauthorized, true},
{"fail exp", p1, args{token: failExp}, 0, http.StatusUnauthorized, true},
{"fail nbf", p1, args{token: failNbf}, 0, http.StatusUnauthorized, true},
{"fail key", p1, args{token: failKey}, 0, http.StatusUnauthorized, true},
{"fail instance age", p2, args{token: failInstanceAge}, 0, http.StatusUnauthorized, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
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ctx := NewContextWithMethod(context.Background(), SignMethod)
switch got, err := tt.aws.AuthorizeSign(ctx, tt.args.token); {
case (err != nil) != tt.wantErr:
t.Errorf("AWS.AuthorizeSign() error = %v, wantErr %v", err, tt.wantErr)
return
case err != nil:
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var sc render.StatusCodedError
assert.Fatal(t, errors.As(err, &sc), "error does not implement StatusCodedError interface")
assert.Equals(t, sc.StatusCode(), tt.code)
default:
assert.Equals(t, tt.wantLen, len(got))
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for _, o := range got {
switch v := o.(type) {
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case *AWS:
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case certificateOptionsFunc:
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case *provisionerExtensionOption:
assert.Equals(t, v.Type, TypeAWS)
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assert.Equals(t, v.Name, tt.aws.GetName())
assert.Equals(t, v.CredentialID, tt.aws.Accounts[0])
assert.Len(t, 2, v.KeyValuePairs)
case profileDefaultDuration:
assert.Equals(t, time.Duration(v), tt.aws.ctl.Claimer.DefaultTLSCertDuration())
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case commonNameValidator:
assert.Equals(t, string(v), tt.args.cn)
case defaultPublicKeyValidator:
case *validityValidator:
assert.Equals(t, v.min, tt.aws.ctl.Claimer.MinTLSCertDuration())
assert.Equals(t, v.max, tt.aws.ctl.Claimer.MaxTLSCertDuration())
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case ipAddressesValidator:
assert.Equals(t, []net.IP(v), []net.IP{net.ParseIP("127.0.0.1")})
case emailAddressesValidator:
assert.Equals(t, v, nil)
case *urisValidator:
assert.Equals(t, v.uris, nil)
assert.Equals(t, MethodFromContext(v.ctx), SignMethod)
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case dnsNamesValidator:
assert.Equals(t, []string(v), []string{"ip-127-0-0-1.us-west-1.compute.internal"})
case *x509NamePolicyValidator:
assert.Equals(t, nil, v.policyEngine)
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case *WebhookController:
assert.Len(t, 0, v.webhooks)
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default:
assert.FatalError(t, fmt.Errorf("unexpected sign option of type %T", v))
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}
}
}
})
}
}
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func TestAWS_AuthorizeSSHSign(t *testing.T) {
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tm, fn := mockNow()
defer fn()
p1, srv, err := generateAWSWithServer()
assert.FatalError(t, err)
p1.DisableCustomSANs = true
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defer srv.Close()
p2, err := generateAWS()
assert.FatalError(t, err)
p2.Accounts = p1.Accounts
p2.config = p1.config
p2.DisableCustomSANs = false
p3, err := generateAWS()
assert.FatalError(t, err)
// disable sshCA
disable := false
p3.Claims = &Claims{EnableSSHCA: &disable}
p3.ctl.Claimer, err = NewClaimer(p3.Claims, globalProvisionerClaims)
assert.FatalError(t, err)
t1, err := p1.GetIdentityToken("127.0.0.1", "https://ca.smallstep.com")
assert.FatalError(t, err)
t2, err := p2.GetIdentityToken("foo.local", "https://ca.smallstep.com")
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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)
//nolint:gosec // tests minimum size of the key
rsa1024, err := rsa.GenerateKey(rand.Reader, 1024)
assert.FatalError(t, err)
hostDuration := p1.ctl.Claimer.DefaultHostSSHCertDuration()
expectedHostOptions := &SignSSHOptions{
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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 := &SignSSHOptions{
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CertType: "host", Principals: []string{"127.0.0.1"},
ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(hostDuration)),
}
expectedHostOptionsHostname := &SignSSHOptions{
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CertType: "host", Principals: []string{"ip-127-0-0-1.us-west-1.compute.internal"},
ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(hostDuration)),
}
expectedCustomOptions := &SignSSHOptions{
CertType: "host", Principals: []string{"foo.local"},
ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(hostDuration)),
}
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type args struct {
token string
sshOpts SignSSHOptions
key interface{}
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}
tests := []struct {
name string
aws *AWS
args args
expected *SignSSHOptions
code int
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wantErr bool
wantSignErr bool
}{
{"ok", p1, args{t1, SignSSHOptions{}, pub}, expectedHostOptions, http.StatusOK, false, false},
{"ok-rsa2048", p1, args{t1, SignSSHOptions{}, rsa2048.Public()}, expectedHostOptions, http.StatusOK, false, false},
{"ok-type", p1, args{t1, SignSSHOptions{CertType: "host"}, pub}, expectedHostOptions, http.StatusOK, false, false},
{"ok-principals", p1, args{t1, SignSSHOptions{Principals: []string{"127.0.0.1", "ip-127-0-0-1.us-west-1.compute.internal"}}, pub}, expectedHostOptions, http.StatusOK, false, false},
{"ok-principal-ip", p1, args{t1, SignSSHOptions{Principals: []string{"127.0.0.1"}}, pub}, expectedHostOptionsIP, http.StatusOK, false, false},
{"ok-principal-hostname", p1, args{t1, SignSSHOptions{Principals: []string{"ip-127-0-0-1.us-west-1.compute.internal"}}, pub}, expectedHostOptionsHostname, http.StatusOK, false, false},
{"ok-options", p1, args{t1, SignSSHOptions{CertType: "host", Principals: []string{"127.0.0.1", "ip-127-0-0-1.us-west-1.compute.internal"}}, pub}, expectedHostOptions, http.StatusOK, false, false},
{"ok-custom", p2, args{t2, SignSSHOptions{Principals: []string{"foo.local"}}, pub}, expectedCustomOptions, http.StatusOK, false, false},
{"fail-rsa1024", p1, args{t1, SignSSHOptions{}, rsa1024.Public()}, expectedHostOptions, http.StatusOK, false, true},
{"fail-type", p1, args{t1, SignSSHOptions{CertType: "user"}, pub}, nil, http.StatusOK, false, true},
{"fail-principal", p1, args{t1, SignSSHOptions{Principals: []string{"smallstep.com"}}, pub}, nil, http.StatusOK, false, true},
{"fail-extra-principal", p1, args{t1, SignSSHOptions{Principals: []string{"127.0.0.1", "ip-127-0-0-1.us-west-1.compute.internal", "smallstep.com"}}, pub}, nil, http.StatusOK, false, true},
{"fail-sshCA-disabled", p3, args{"foo", SignSSHOptions{}, pub}, expectedHostOptions, http.StatusUnauthorized, true, false},
{"fail-invalid-token", p1, args{"foo", SignSSHOptions{}, pub}, expectedHostOptions, http.StatusUnauthorized, true, false},
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}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
got, err := tt.aws.AuthorizeSSHSign(context.Background(), tt.args.token)
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if (err != nil) != tt.wantErr {
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t.Errorf("AWS.AuthorizeSSHSign() error = %v, wantErr %v", err, tt.wantErr)
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return
}
if err != nil {
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var sc render.StatusCodedError
assert.Fatal(t, errors.As(err, &sc), "error does not implement StatusCodedError interface")
assert.Equals(t, sc.StatusCode(), tt.code)
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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) {
now := time.Now().Truncate(time.Second)
p1, err := generateAWS()
assert.FatalError(t, err)
p2, err := generateAWS()
assert.FatalError(t, err)
// disable renewal
disable := true
p2.Claims = &Claims{DisableRenewal: &disable}
p2.ctl.Claimer, err = NewClaimer(p2.Claims, globalProvisionerClaims)
assert.FatalError(t, err)
type args struct {
cert *x509.Certificate
}
tests := []struct {
name string
aws *AWS
args args
code int
wantErr bool
}{
{"ok", p1, args{&x509.Certificate{
NotBefore: now,
NotAfter: now.Add(time.Hour),
}}, http.StatusOK, false},
{"fail/renew-disabled", p2, args{&x509.Certificate{
NotBefore: now,
NotAfter: now.Add(time.Hour),
}}, http.StatusUnauthorized, true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
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if err := tt.aws.AuthorizeRenew(context.Background(), tt.args.cert); (err != nil) != tt.wantErr {
t.Errorf("AWS.AuthorizeRenew() error = %v, wantErr %v", err, tt.wantErr)
} else if err != nil {
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var sc render.StatusCodedError
assert.Fatal(t, errors.As(err, &sc), "error does not implement StatusCodedError interface")
assert.Equals(t, sc.StatusCode(), tt.code)
}
})
}
}
func TestAWS_HardcodedCertificates(t *testing.T) {
certBytes := []byte(awsCertificate)
var certs []*x509.Certificate
for len(certBytes) > 0 {
var block *pem.Block
block, certBytes = pem.Decode(certBytes)
if block == nil {
break
}
if block.Type != "CERTIFICATE" || len(block.Headers) != 0 {
continue
}
cert, err := x509.ParseCertificate(block.Bytes)
assert.FatalError(t, err)
// check that the certificate is not expired
assert.True(t, cert.NotAfter.After(time.Now()))
certs = append(certs, cert)
}
assert.Len(t, 15, certs, "expected 15 certificates in aws_certificates.pem")
}