package provisioner import ( "context" "crypto" "crypto/rand" "crypto/rsa" "crypto/sha256" "crypto/x509" "encoding/hex" "encoding/pem" "errors" "fmt" "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 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 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 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 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" 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 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( 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( 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( 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( 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( 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( 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( 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( 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( 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( 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( 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( 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) { 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") 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( 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( 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( 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( 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( 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( 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( p1, "instance-id", awsIssuer, p1.GetID(), p1.Accounts[0], "instance-id", "", "us-west-1", time.Now(), key) assert.FatalError(t, err) failRegion, err := generateAWSToken( 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( 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( 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( 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( 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 { token, cn string } tests := []struct { name string aws *AWS args args wantLen int code int wantErr bool }{ {"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}, {"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) { 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: 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)) for _, o := range got { switch v := o.(type) { case *AWS: case certificateOptionsFunc: case *provisionerExtensionOption: assert.Equals(t, v.Type, TypeAWS) 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()) 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()) 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) 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) case *WebhookController: assert.Len(t, 0, v.webhooks) default: assert.FatalError(t, fmt.Errorf("unexpected sign option of type %T", v)) } } } }) } } func TestAWS_AuthorizeSSHSign(t *testing.T) { tm, fn := mockNow() defer fn() p1, srv, err := generateAWSWithServer() assert.FatalError(t, err) p1.DisableCustomSANs = true 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") 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{ 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{ CertType: "host", Principals: []string{"127.0.0.1"}, ValidAfter: NewTimeDuration(tm), ValidBefore: NewTimeDuration(tm.Add(hostDuration)), } expectedHostOptionsHostname := &SignSSHOptions{ 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)), } type args struct { token string sshOpts SignSSHOptions key interface{} } tests := []struct { name string aws *AWS args args expected *SignSSHOptions code int 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}, } for _, tt := range tests { t.Run(tt.name, func(t *testing.T) { got, err := tt.aws.AuthorizeSSHSign(context.Background(), tt.args.token) if (err != nil) != tt.wantErr { t.Errorf("AWS.AuthorizeSSHSign() error = %v, wantErr %v", err, tt.wantErr) return } if err != nil { var sc render.StatusCodedError assert.Fatal(t, errors.As(err, &sc), "error does not implement StatusCodedError interface") assert.Equals(t, sc.StatusCode(), tt.code) assert.Nil(t, got) } else if assert.NotNil(t, got) { cert, err := signSSHCertificate(tt.args.key, tt.args.sshOpts, got, signer.Key.(crypto.Signer)) 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) { 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 { 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, 14, certs, "expected 14 certificates in aws_certificates.pem") }