package provisioner import ( "context" "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") 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) { 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) }) } } 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) 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{} } 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}, } 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)) 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_AuthorizeRenewal(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.AuthorizeRenewal(tt.args.cert); (err != nil) != tt.wantErr { t.Errorf("AWS.AuthorizeRenewal() 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(tt.args.token); (err != nil) != tt.wantErr { t.Errorf("AWS.AuthorizeRevoke() error = %v, wantErr %v", err, tt.wantErr) } }) } }