552 lines
15 KiB
Go
552 lines
15 KiB
Go
package postgresql
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import (
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"context"
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"database/sql"
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"encoding/json"
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"fmt"
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"log"
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"path"
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"reflect"
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"testing"
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logicaltest "github.com/hashicorp/vault/helper/testhelpers/logical"
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postgreshelper "github.com/hashicorp/vault/helper/testhelpers/postgresql"
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"github.com/hashicorp/vault/sdk/logical"
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"github.com/lib/pq"
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"github.com/mitchellh/mapstructure"
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)
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func TestBackend_config_connection(t *testing.T) {
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var resp *logical.Response
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var err error
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config := logical.TestBackendConfig()
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config.StorageView = &logical.InmemStorage{}
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b, err := Factory(context.Background(), config)
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if err != nil {
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t.Fatal(err)
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}
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configData := map[string]interface{}{
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"connection_url": "sample_connection_url",
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"max_open_connections": 9,
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"max_idle_connections": 7,
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"verify_connection": false,
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}
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configReq := &logical.Request{
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Operation: logical.UpdateOperation,
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Path: "config/connection",
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Storage: config.StorageView,
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Data: configData,
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}
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resp, err = b.HandleRequest(context.Background(), configReq)
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if err != nil || (resp != nil && resp.IsError()) {
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t.Fatalf("err:%s resp:%#v\n", err, resp)
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}
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configReq.Operation = logical.ReadOperation
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resp, err = b.HandleRequest(context.Background(), configReq)
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if err != nil || (resp != nil && resp.IsError()) {
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t.Fatalf("err:%s resp:%#v\n", err, resp)
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}
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delete(configData, "verify_connection")
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delete(configData, "connection_url")
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if !reflect.DeepEqual(configData, resp.Data) {
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t.Fatalf("bad: expected:%#v\nactual:%#v\n", configData, resp.Data)
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}
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}
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func TestBackend_basic(t *testing.T) {
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config := logical.TestBackendConfig()
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config.StorageView = &logical.InmemStorage{}
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b, err := Factory(context.Background(), config)
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if err != nil {
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t.Fatal(err)
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}
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cleanup, connURL := postgreshelper.PrepareTestContainer(t, "")
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defer cleanup()
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connData := map[string]interface{}{
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"connection_url": connURL,
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}
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logicaltest.Test(t, logicaltest.TestCase{
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LogicalBackend: b,
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Steps: []logicaltest.TestStep{
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testAccStepConfig(t, connData, false),
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testAccStepCreateRole(t, "web", testRole, false),
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testAccStepReadCreds(t, b, config.StorageView, "web", connURL),
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},
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})
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}
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func TestBackend_roleCrud(t *testing.T) {
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config := logical.TestBackendConfig()
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config.StorageView = &logical.InmemStorage{}
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b, err := Factory(context.Background(), config)
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if err != nil {
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t.Fatal(err)
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}
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cleanup, connURL := postgreshelper.PrepareTestContainer(t, "")
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defer cleanup()
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connData := map[string]interface{}{
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"connection_url": connURL,
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}
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logicaltest.Test(t, logicaltest.TestCase{
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LogicalBackend: b,
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Steps: []logicaltest.TestStep{
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testAccStepConfig(t, connData, false),
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testAccStepCreateRole(t, "web", testRole, false),
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testAccStepReadRole(t, "web", testRole),
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testAccStepDeleteRole(t, "web"),
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testAccStepReadRole(t, "web", ""),
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},
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})
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}
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func TestBackend_BlockStatements(t *testing.T) {
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config := logical.TestBackendConfig()
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config.StorageView = &logical.InmemStorage{}
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b, err := Factory(context.Background(), config)
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if err != nil {
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t.Fatal(err)
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}
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cleanup, connURL := postgreshelper.PrepareTestContainer(t, "")
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defer cleanup()
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connData := map[string]interface{}{
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"connection_url": connURL,
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}
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jsonBlockStatement, err := json.Marshal(testBlockStatementRoleSlice)
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if err != nil {
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t.Fatal(err)
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}
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logicaltest.Test(t, logicaltest.TestCase{
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LogicalBackend: b,
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Steps: []logicaltest.TestStep{
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testAccStepConfig(t, connData, false),
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// This will also validate the query
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testAccStepCreateRole(t, "web-block", testBlockStatementRole, true),
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testAccStepCreateRole(t, "web-block", string(jsonBlockStatement), false),
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},
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})
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}
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func TestBackend_roleReadOnly(t *testing.T) {
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config := logical.TestBackendConfig()
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config.StorageView = &logical.InmemStorage{}
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b, err := Factory(context.Background(), config)
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if err != nil {
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t.Fatal(err)
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}
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cleanup, connURL := postgreshelper.PrepareTestContainer(t, "")
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defer cleanup()
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connData := map[string]interface{}{
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"connection_url": connURL,
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}
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logicaltest.Test(t, logicaltest.TestCase{
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LogicalBackend: b,
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Steps: []logicaltest.TestStep{
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testAccStepConfig(t, connData, false),
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testAccStepCreateRole(t, "web", testRole, false),
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testAccStepCreateRole(t, "web-readonly", testReadOnlyRole, false),
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testAccStepReadRole(t, "web-readonly", testReadOnlyRole),
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testAccStepCreateTable(t, b, config.StorageView, "web", connURL),
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testAccStepReadCreds(t, b, config.StorageView, "web-readonly", connURL),
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testAccStepDropTable(t, b, config.StorageView, "web", connURL),
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testAccStepDeleteRole(t, "web-readonly"),
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testAccStepDeleteRole(t, "web"),
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testAccStepReadRole(t, "web-readonly", ""),
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},
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})
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}
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func TestBackend_roleReadOnly_revocationSQL(t *testing.T) {
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config := logical.TestBackendConfig()
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config.StorageView = &logical.InmemStorage{}
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b, err := Factory(context.Background(), config)
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if err != nil {
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t.Fatal(err)
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}
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cleanup, connURL := postgreshelper.PrepareTestContainer(t, "")
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defer cleanup()
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connData := map[string]interface{}{
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"connection_url": connURL,
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}
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logicaltest.Test(t, logicaltest.TestCase{
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LogicalBackend: b,
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Steps: []logicaltest.TestStep{
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testAccStepConfig(t, connData, false),
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testAccStepCreateRoleWithRevocationSQL(t, "web", testRole, defaultRevocationSQL, false),
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testAccStepCreateRoleWithRevocationSQL(t, "web-readonly", testReadOnlyRole, defaultRevocationSQL, false),
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testAccStepReadRole(t, "web-readonly", testReadOnlyRole),
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testAccStepCreateTable(t, b, config.StorageView, "web", connURL),
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testAccStepReadCreds(t, b, config.StorageView, "web-readonly", connURL),
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testAccStepDropTable(t, b, config.StorageView, "web", connURL),
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testAccStepDeleteRole(t, "web-readonly"),
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testAccStepDeleteRole(t, "web"),
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testAccStepReadRole(t, "web-readonly", ""),
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},
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})
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}
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func testAccStepConfig(t *testing.T, d map[string]interface{}, expectError bool) logicaltest.TestStep {
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return logicaltest.TestStep{
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Operation: logical.UpdateOperation,
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Path: "config/connection",
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Data: d,
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ErrorOk: true,
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Check: func(resp *logical.Response) error {
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if expectError {
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if resp.Data == nil {
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return fmt.Errorf("data is nil")
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}
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var e struct {
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Error string `mapstructure:"error"`
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}
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if err := mapstructure.Decode(resp.Data, &e); err != nil {
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return err
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}
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if len(e.Error) == 0 {
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return fmt.Errorf("expected error, but write succeeded")
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}
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return nil
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} else if resp != nil && resp.IsError() {
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return fmt.Errorf("got an error response: %v", resp.Error())
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}
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return nil
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},
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}
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}
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func testAccStepCreateRole(t *testing.T, name string, sql string, expectFail bool) logicaltest.TestStep {
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return logicaltest.TestStep{
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Operation: logical.UpdateOperation,
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Path: path.Join("roles", name),
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Data: map[string]interface{}{
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"sql": sql,
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},
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ErrorOk: expectFail,
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}
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}
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func testAccStepCreateRoleWithRevocationSQL(t *testing.T, name, sql, revocationSQL string, expectFail bool) logicaltest.TestStep {
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return logicaltest.TestStep{
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Operation: logical.UpdateOperation,
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Path: path.Join("roles", name),
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Data: map[string]interface{}{
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"sql": sql,
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"revocation_sql": revocationSQL,
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},
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ErrorOk: expectFail,
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}
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}
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func testAccStepDeleteRole(t *testing.T, name string) logicaltest.TestStep {
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return logicaltest.TestStep{
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Operation: logical.DeleteOperation,
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Path: path.Join("roles", name),
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}
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}
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func testAccStepReadCreds(t *testing.T, b logical.Backend, s logical.Storage, name string, connURL string) logicaltest.TestStep {
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return logicaltest.TestStep{
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Operation: logical.ReadOperation,
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Path: path.Join("creds", name),
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Check: func(resp *logical.Response) error {
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var d struct {
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Username string `mapstructure:"username"`
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Password string `mapstructure:"password"`
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}
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if err := mapstructure.Decode(resp.Data, &d); err != nil {
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return err
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}
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log.Printf("[TRACE] Generated credentials: %v", d)
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conn, err := pq.ParseURL(connURL)
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if err != nil {
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t.Fatal(err)
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}
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conn += " timezone=utc"
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db, err := sql.Open("postgres", conn)
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if err != nil {
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t.Fatal(err)
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}
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returnedRows := func() int {
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stmt, err := db.Prepare("SELECT DISTINCT schemaname FROM pg_tables WHERE has_table_privilege($1, 'information_schema.role_column_grants', 'select');")
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if err != nil {
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return -1
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}
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defer stmt.Close()
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rows, err := stmt.Query(d.Username)
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if err != nil {
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return -1
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}
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defer rows.Close()
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i := 0
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for rows.Next() {
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i++
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}
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return i
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}
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// minNumPermissions is the minimum number of permissions that will always be present.
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const minNumPermissions = 2
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userRows := returnedRows()
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if userRows < minNumPermissions {
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t.Fatalf("did not get expected number of rows, got %d", userRows)
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}
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resp, err = b.HandleRequest(context.Background(), &logical.Request{
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Operation: logical.RevokeOperation,
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Storage: s,
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Secret: &logical.Secret{
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InternalData: map[string]interface{}{
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"secret_type": "creds",
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"username": d.Username,
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"role": name,
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},
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},
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})
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if err != nil {
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return err
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}
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if resp != nil {
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if resp.IsError() {
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return fmt.Errorf("error on resp: %#v", *resp)
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}
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}
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userRows = returnedRows()
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// User shouldn't exist so returnedRows() should encounter an error and exit with -1
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if userRows != -1 {
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t.Fatalf("did not get expected number of rows, got %d", userRows)
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}
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return nil
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},
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}
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}
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func testAccStepCreateTable(t *testing.T, b logical.Backend, s logical.Storage, name string, connURL string) logicaltest.TestStep {
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return logicaltest.TestStep{
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Operation: logical.ReadOperation,
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Path: path.Join("creds", name),
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Check: func(resp *logical.Response) error {
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var d struct {
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Username string `mapstructure:"username"`
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Password string `mapstructure:"password"`
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}
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if err := mapstructure.Decode(resp.Data, &d); err != nil {
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return err
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}
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log.Printf("[TRACE] Generated credentials: %v", d)
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conn, err := pq.ParseURL(connURL)
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if err != nil {
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t.Fatal(err)
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}
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conn += " timezone=utc"
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db, err := sql.Open("postgres", conn)
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if err != nil {
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t.Fatal(err)
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}
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_, err = db.Exec("CREATE TABLE test (id SERIAL PRIMARY KEY);")
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if err != nil {
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t.Fatal(err)
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}
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resp, err = b.HandleRequest(context.Background(), &logical.Request{
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Operation: logical.RevokeOperation,
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Storage: s,
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Secret: &logical.Secret{
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InternalData: map[string]interface{}{
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"secret_type": "creds",
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"username": d.Username,
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},
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},
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})
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if err != nil {
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return err
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}
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if resp != nil {
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if resp.IsError() {
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return fmt.Errorf("error on resp: %#v", *resp)
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}
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}
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return nil
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},
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}
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}
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func testAccStepDropTable(t *testing.T, b logical.Backend, s logical.Storage, name string, connURL string) logicaltest.TestStep {
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return logicaltest.TestStep{
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Operation: logical.ReadOperation,
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Path: path.Join("creds", name),
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Check: func(resp *logical.Response) error {
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var d struct {
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Username string `mapstructure:"username"`
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Password string `mapstructure:"password"`
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}
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if err := mapstructure.Decode(resp.Data, &d); err != nil {
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return err
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}
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log.Printf("[TRACE] Generated credentials: %v", d)
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conn, err := pq.ParseURL(connURL)
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if err != nil {
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t.Fatal(err)
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}
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conn += " timezone=utc"
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db, err := sql.Open("postgres", conn)
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if err != nil {
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t.Fatal(err)
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}
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_, err = db.Exec("DROP TABLE test;")
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if err != nil {
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t.Fatal(err)
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}
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resp, err = b.HandleRequest(context.Background(), &logical.Request{
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Operation: logical.RevokeOperation,
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Storage: s,
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Secret: &logical.Secret{
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InternalData: map[string]interface{}{
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"secret_type": "creds",
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"username": d.Username,
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},
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},
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})
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if err != nil {
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return err
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}
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if resp != nil {
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if resp.IsError() {
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return fmt.Errorf("error on resp: %#v", *resp)
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}
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}
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return nil
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},
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}
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}
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func testAccStepReadRole(t *testing.T, name string, sql string) logicaltest.TestStep {
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return logicaltest.TestStep{
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Operation: logical.ReadOperation,
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Path: "roles/" + name,
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Check: func(resp *logical.Response) error {
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if resp == nil {
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if sql == "" {
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return nil
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}
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return fmt.Errorf("bad: %#v", resp)
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}
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var d struct {
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SQL string `mapstructure:"sql"`
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}
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if err := mapstructure.Decode(resp.Data, &d); err != nil {
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return err
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}
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if d.SQL != sql {
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return fmt.Errorf("bad: %#v", resp)
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}
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return nil
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},
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}
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}
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const testRole = `
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CREATE ROLE "{{name}}" WITH
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LOGIN
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PASSWORD '{{password}}'
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VALID UNTIL '{{expiration}}';
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GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA public TO "{{name}}";
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`
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const testReadOnlyRole = `
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CREATE ROLE "{{name}}" WITH
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LOGIN
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PASSWORD '{{password}}'
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VALID UNTIL '{{expiration}}';
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GRANT SELECT ON ALL TABLES IN SCHEMA public TO "{{name}}";
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GRANT SELECT ON ALL SEQUENCES IN SCHEMA public TO "{{name}}";
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`
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const testBlockStatementRole = `
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DO $$
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BEGIN
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IF NOT EXISTS (SELECT * FROM pg_catalog.pg_roles WHERE rolname='foo-role') THEN
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CREATE ROLE "foo-role";
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CREATE SCHEMA IF NOT EXISTS foo AUTHORIZATION "foo-role";
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ALTER ROLE "foo-role" SET search_path = foo;
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GRANT TEMPORARY ON DATABASE "postgres" TO "foo-role";
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GRANT ALL PRIVILEGES ON SCHEMA foo TO "foo-role";
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GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA foo TO "foo-role";
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GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA foo TO "foo-role";
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GRANT ALL PRIVILEGES ON ALL FUNCTIONS IN SCHEMA foo TO "foo-role";
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END IF;
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END
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$$
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CREATE ROLE "{{name}}" WITH LOGIN PASSWORD '{{password}}' VALID UNTIL '{{expiration}}';
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GRANT "foo-role" TO "{{name}}";
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ALTER ROLE "{{name}}" SET search_path = foo;
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GRANT CONNECT ON DATABASE "postgres" TO "{{name}}";
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`
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var testBlockStatementRoleSlice = []string{
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`
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DO $$
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BEGIN
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IF NOT EXISTS (SELECT * FROM pg_catalog.pg_roles WHERE rolname='foo-role') THEN
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CREATE ROLE "foo-role";
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CREATE SCHEMA IF NOT EXISTS foo AUTHORIZATION "foo-role";
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ALTER ROLE "foo-role" SET search_path = foo;
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GRANT TEMPORARY ON DATABASE "postgres" TO "foo-role";
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GRANT ALL PRIVILEGES ON SCHEMA foo TO "foo-role";
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GRANT ALL PRIVILEGES ON ALL TABLES IN SCHEMA foo TO "foo-role";
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GRANT ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA foo TO "foo-role";
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GRANT ALL PRIVILEGES ON ALL FUNCTIONS IN SCHEMA foo TO "foo-role";
|
|
END IF;
|
|
END
|
|
$$
|
|
`,
|
|
`CREATE ROLE "{{name}}" WITH LOGIN PASSWORD '{{password}}' VALID UNTIL '{{expiration}}';`,
|
|
`GRANT "foo-role" TO "{{name}}";`,
|
|
`ALTER ROLE "{{name}}" SET search_path = foo;`,
|
|
`GRANT CONNECT ON DATABASE "postgres" TO "{{name}}";`,
|
|
}
|
|
|
|
const defaultRevocationSQL = `
|
|
REVOKE ALL PRIVILEGES ON ALL TABLES IN SCHEMA public FROM {{name}};
|
|
REVOKE ALL PRIVILEGES ON ALL SEQUENCES IN SCHEMA public FROM {{name}};
|
|
REVOKE USAGE ON SCHEMA public FROM {{name}};
|
|
|
|
DROP ROLE IF EXISTS {{name}};
|
|
`
|