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cmd: minor style cleanups (error handling first, then happy path)

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Péter Szilágyi 2019-05-31 12:23:46 +03:00
parent 55c5cc6d1c
commit f0684e2c9a
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GPG key ID: E9AE538CEDF8293D
3 changed files with 20 additions and 15 deletions
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2
cmd/geth/main.go
View file

@ -64,7 +64,7 @@ var (
utils.KeyStoreDirFlag,
utils.ExternalSignerFlag,
utils.NoUSBFlag,
utils.SmartCardFlag,
utils.SmartCardDaemonPathFlag,
utils.DashboardEnabledFlag,
utils.DashboardAddrFlag,
utils.DashboardPortFlag,

2
cmd/geth/usage.go
View file

@ -71,7 +71,7 @@ var AppHelpFlagGroups = []flagGroup{
utils.DataDirFlag,
utils.KeyStoreDirFlag,
utils.NoUSBFlag,
utils.SmartCardFlag,
utils.SmartCardDaemonPathFlag,
utils.NetworkIdFlag,
utils.TestnetFlag,
utils.RinkebyFlag,

31
cmd/utils/flags.go
View file

@ -128,9 +128,9 @@ var (
Name: "nousb",
Usage: "Disables monitoring for and managing USB hardware wallets",
}
SmartCardFlag = cli.StringFlag{
SmartCardDaemonPathFlag = cli.StringFlag{
Name: "pcscdpath",
Usage: "Path to the smartcard daemon (pcscd) socket file (unix only, leave empty for platform default)",
Usage: "Path to the smartcard daemon (pcscd) socket file",
Value: pcsclite.PCSCDSockName,
}
NetworkIdFlag = cli.Uint64Flag{
@ -1151,18 +1151,23 @@ func SetNodeConfig(ctx *cli.Context, cfg *node.Config) {
}
func setSmartCard(ctx *cli.Context, cfg *node.Config) {
// Use the platform default unless specified on the command line
if len(ctx.GlobalString(SmartCardFlag.Name)) > 0 {
if fi, err := os.Stat(ctx.GlobalString(SmartCardFlag.Name)); err == nil {
if fi.Mode()&os.ModeType == os.ModeSocket {
cfg.SmartCardDaemonPath = ctx.GlobalString(SmartCardFlag.Name)
} else {
log.Error(fmt.Sprintf("%s doesn't seem to be a socket file", ctx.GlobalString(SmartCardFlag.Name)))
}
} else {
log.Error(fmt.Sprintf("%s doesn't exist", ctx.GlobalString(SmartCardFlag.Name)))
}
// Skip enabling smartcards if no path is set
path := ctx.GlobalString(SmartCardDaemonPathFlag.Name)
if path == "" {
return
}
// Sanity check that the smartcard path is valid
fi, err := os.Stat(path)
if err != nil {
log.Error("Failed to verify smartcard daemon path", "path", path, "err", err)
return
}
if fi.Mode()&os.ModeType != os.ModeSocket {
log.Error("Invalid smartcard daemon path", "path", path, "type", fi.Mode().String())
return
}
// Smartcard daemon path exists and is a socket, enable it
cfg.SmartCardDaemonPath = path
}
func setDataDir(ctx *cli.Context, cfg *node.Config) {