213 lines
6 KiB
Go
213 lines
6 KiB
Go
package database
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import (
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"context"
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"fmt"
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"time"
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"github.com/hashicorp/vault/sdk/database/newdbplugin"
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"github.com/hashicorp/vault/sdk/framework"
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"github.com/hashicorp/vault/sdk/logical"
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"github.com/hashicorp/vault/sdk/queue"
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)
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func pathRotateRootCredentials(b *databaseBackend) []*framework.Path {
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return []*framework.Path{
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&framework.Path{
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Pattern: "rotate-root/" + framework.GenericNameRegex("name"),
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Fields: map[string]*framework.FieldSchema{
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"name": &framework.FieldSchema{
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Type: framework.TypeString,
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Description: "Name of this database connection",
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},
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},
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Operations: map[logical.Operation]framework.OperationHandler{
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logical.UpdateOperation: &framework.PathOperation{
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Callback: b.pathRotateRootCredentialsUpdate(),
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ForwardPerformanceSecondary: true,
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ForwardPerformanceStandby: true,
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},
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},
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HelpSynopsis: pathCredsCreateReadHelpSyn,
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HelpDescription: pathCredsCreateReadHelpDesc,
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},
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&framework.Path{
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Pattern: "rotate-role/" + framework.GenericNameRegex("name"),
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Fields: map[string]*framework.FieldSchema{
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"name": &framework.FieldSchema{
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Type: framework.TypeString,
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Description: "Name of the static role",
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},
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},
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Operations: map[logical.Operation]framework.OperationHandler{
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logical.UpdateOperation: &framework.PathOperation{
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Callback: b.pathRotateRoleCredentialsUpdate(),
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ForwardPerformanceStandby: true,
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ForwardPerformanceSecondary: true,
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},
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},
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HelpSynopsis: pathCredsCreateReadHelpSyn,
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HelpDescription: pathCredsCreateReadHelpDesc,
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},
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}
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}
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func (b *databaseBackend) pathRotateRootCredentialsUpdate() framework.OperationFunc {
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return func(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
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name := data.Get("name").(string)
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if name == "" {
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return logical.ErrorResponse(respErrEmptyName), nil
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}
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config, err := b.DatabaseConfig(ctx, req.Storage, name)
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if err != nil {
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return nil, err
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}
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dbi, err := b.GetConnection(ctx, req.Storage, name)
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if err != nil {
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return nil, err
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}
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defer func() {
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// Close the plugin
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dbi.closed = true
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if err := dbi.database.Close(); err != nil {
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b.Logger().Error("error closing the database plugin connection", "err", err)
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}
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// Even on error, still remove the connection
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delete(b.connections, name)
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}()
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// Take out the backend lock since we are swapping out the connection
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b.Lock()
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defer b.Unlock()
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// Take the write lock on the instance
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dbi.Lock()
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defer dbi.Unlock()
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// Generate new credentials
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username := config.ConnectionDetails["username"].(string)
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oldPassword := config.ConnectionDetails["password"].(string)
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newPassword, err := dbi.database.GeneratePassword(ctx, b.System(), config.PasswordPolicy)
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if err != nil {
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return nil, err
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}
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config.ConnectionDetails["password"] = newPassword
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// Write a WAL entry
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walID, err := framework.PutWAL(ctx, req.Storage, rotateRootWALKey, &rotateRootCredentialsWAL{
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ConnectionName: name,
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UserName: username,
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OldPassword: oldPassword,
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NewPassword: newPassword,
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})
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if err != nil {
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return nil, err
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}
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updateReq := newdbplugin.UpdateUserRequest{
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Username: username,
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Password: &newdbplugin.ChangePassword{
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NewPassword: newPassword,
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Statements: newdbplugin.Statements{
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Commands: config.RootCredentialsRotateStatements,
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},
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},
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}
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newConfigDetails, err := dbi.database.UpdateUser(ctx, updateReq, true)
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if err != nil {
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return nil, fmt.Errorf("failed to update user: %w", err)
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}
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if newConfigDetails != nil {
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config.ConnectionDetails = newConfigDetails
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}
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err = storeConfig(ctx, req.Storage, name, config)
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if err != nil {
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return nil, err
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}
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err = framework.DeleteWAL(ctx, req.Storage, walID)
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if err != nil {
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b.Logger().Warn("unable to delete WAL", "error", err, "WAL ID", walID)
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}
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return nil, nil
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}
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}
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func (b *databaseBackend) pathRotateRoleCredentialsUpdate() framework.OperationFunc {
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return func(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
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name := data.Get("name").(string)
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if name == "" {
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return logical.ErrorResponse("empty role name attribute given"), nil
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}
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role, err := b.StaticRole(ctx, req.Storage, name)
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if err != nil {
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return nil, err
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}
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if role == nil {
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return logical.ErrorResponse("no static role found for role name"), nil
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}
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// In create/update of static accounts, we only care if the operation
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// err'd , and this call does not return credentials
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item, err := b.popFromRotationQueueByKey(name)
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if err != nil {
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item = &queue.Item{
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Key: name,
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}
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}
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resp, err := b.setStaticAccount(ctx, req.Storage, &setStaticAccountInput{
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RoleName: name,
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Role: role,
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})
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// if err is not nil, we need to attempt to update the priority and place
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// this item back on the queue. The err should still be returned at the end
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// of this method.
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if err != nil {
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b.logger.Warn("unable to rotate credentials in rotate-role", "error", err)
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// Update the priority to re-try this rotation and re-add the item to
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// the queue
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item.Priority = time.Now().Add(10 * time.Second).Unix()
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// Preserve the WALID if it was returned
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if resp != nil && resp.WALID != "" {
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item.Value = resp.WALID
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}
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} else {
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item.Priority = resp.RotationTime.Add(role.StaticAccount.RotationPeriod).Unix()
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}
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// Add their rotation to the queue
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if err := b.pushItem(item); err != nil {
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return nil, err
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}
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// return any err from the setStaticAccount call
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return nil, err
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}
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}
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const pathRotateCredentialsUpdateHelpSyn = `
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Request to rotate the root credentials for a certain database connection.
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`
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const pathRotateCredentialsUpdateHelpDesc = `
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This path attempts to rotate the root credentials for the given database.
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`
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const pathRotateRoleCredentialsUpdateHelpSyn = `
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Request to rotate the credentials for a static user account.
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`
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const pathRotateRoleCredentialsUpdateHelpDesc = `
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This path attempts to rotate the credentials for the given static user account.
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`
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