cmd/clef: enable smartcard hub (#19649)

* cmd/clef: Enable smartcard hub

* clef: don't error is pcsc is not installed
This commit is contained in:
Guillaume Ballet
2019-06-05 15:27:37 +02:00
committed by Martin Holst Swende
parent 7c9307c683
commit b8ca3cb7d2
3 changed files with 27 additions and 3 deletions

View File

@ -22,11 +22,13 @@ import (
"errors"
"fmt"
"math/big"
"os"
"reflect"
"strings"
"github.com/ethereum/go-ethereum/accounts"
"github.com/ethereum/go-ethereum/accounts/keystore"
"github.com/ethereum/go-ethereum/accounts/scwallet"
"github.com/ethereum/go-ethereum/accounts/usbwallet"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
@ -124,7 +126,7 @@ type Metadata struct {
Origin string `json:"Origin"`
}
func StartClefAccountManager(ksLocation string, nousb, lightKDF bool) *accounts.Manager {
func StartClefAccountManager(ksLocation string, nousb, lightKDF bool, scpath string) *accounts.Manager {
var (
backends []accounts.Backend
n, p = keystore.StandardScryptN, keystore.StandardScryptP
@ -159,6 +161,26 @@ func StartClefAccountManager(ksLocation string, nousb, lightKDF bool) *accounts.
log.Debug("Trezor support enabled via WebUSB")
}
}
// Start a smart card hub
if len(scpath) > 0 {
// Sanity check that the smartcard path is valid
fi, err := os.Stat(scpath)
if err != nil {
log.Info("Smartcard socket file missing, disabling", "err", err)
} else {
if fi.Mode()&os.ModeType != os.ModeSocket {
log.Error("Invalid smartcard socket file type", "path", scpath, "type", fi.Mode().String())
} else {
if schub, err := scwallet.NewHub(scpath, scwallet.Scheme, ksLocation); err != nil {
log.Warn(fmt.Sprintf("Failed to start smart card hub, disabling: %v", err))
} else {
backends = append(backends, schub)
}
}
}
}
// Clef doesn't allow insecure http account unlock.
return accounts.NewManager(&accounts.Config{InsecureUnlockAllowed: false}, backends...)
}