status-im/keycard-cli
2
0
Fork 0
mirror of https://github.com/status-im/keycard-cli.git synced 2025-03-01 04:10:33 +00:00
Code Issues Projects Releases Wiki Activity

check if applet is already installed

Browse Source
This commit is contained in:
Andrea Franz 2019-03-06 14:31:40 +01:00
parent 006a5673f2
commit 280360fa97
1 changed files with 38 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
installer.go
View File

@ -1,15 +1,21 @@
package main package main
import ( import (
"errors"
"fmt" "fmt"
"os" "os"
"time" "time"
"github.com/status-im/keycard-go/apdu"
"github.com/status-im/keycard-go/globalplatform" "github.com/status-im/keycard-go/globalplatform"
"github.com/status-im/keycard-go/hexutils" "github.com/status-im/keycard-go/hexutils"
"github.com/status-im/keycard-go/identifiers"
) )
var ndefRecord = hexutils.HexToBytes("0024d40f12616e64726f69642e636f6d3a706b67696d2e7374617475732e657468657265756d") var (
ErrAppletAlreadyInstalled = errors.New("keycard applet already installed")
ndefRecord = hexutils.HexToBytes("0024d40f12616e64726f69642e636f6d3a706b67696d2e7374617475732e657468657265756d")
)
// Installer defines a struct with methods to install applets in a card. // Installer defines a struct with methods to install applets in a card.
type Installer struct { type Installer struct {
@ -24,18 +30,23 @@ func NewInstaller(t globalplatform.Transmitter) *Installer {
} }
// Install installs the applet from the specified capFile. // Install installs the applet from the specified capFile.
func (i *Installer) Install(capFile *os.File, overwriteApplet bool) (err error) { func (i *Installer) Install(capFile *os.File, overwriteApplet bool) error {
logger.Info("installation started") logger.Info("installation started")
startTime := time.Now() startTime := time.Now()
cmdSet := globalplatform.NewCommandSet(i.c) cmdSet := globalplatform.NewCommandSet(i.c)
logger.Info("check if keycard is already installed")
if err := i.checkAppletAlreadyInstalled(cmdSet, overwriteApplet); err != nil {
logger.Error("check if keycard is already installed failed", "error", err)
return err
}
logger.Info("select ISD") logger.Info("select ISD")
err := cmdSet.Select() err := cmdSet.Select()
if err != nil { if err != nil {
logger.Error("select failed", "error", err) logger.Error("select failed", "error", err)
return err return err
} }
logger.Debug("isd retrieved", "isd", hexutils.BytesToHexWithSpaces(isd))
logger.Info("opening secure channel") logger.Info("opening secure channel")
if err = cmdSet.OpenSecureChannel(); err != nil { if err = cmdSet.OpenSecureChannel(); err != nil {
@ -74,3 +85,27 @@ func (i *Installer) Install(capFile *os.File, overwriteApplet bool) (err error)
logger.Info(fmt.Sprintf("installation completed in %f seconds", elapsed.Seconds())) logger.Info(fmt.Sprintf("installation completed in %f seconds", elapsed.Seconds()))
return err return err
} }
func (i *Installer) checkAppletAlreadyInstalled(cmdSet *globalplatform.CommandSet, overwriteApplet bool) error {
keycardInstanceAID, err := identifiers.KeycardInstanceAID(1)
if err != nil {
return err
}
err = cmdSet.SelectAID(keycardInstanceAID)
switch e := err.(type) {
case *apdu.ErrBadResponse:
// keycard applet not found, so not installed yet.
if e.Sw == globalplatform.SwFileNotFound {
return nil
}
return err
case nil: // selected successfully, so it's already installed
if overwriteApplet {
return nil
}
return ErrAppletAlreadyInstalled
default:
return err
}
}