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a2800276 nanosofttech

go.pcsclite's Issues

Specify the license

Hi @ebfe,
I'm unable to find any licensing info in your repo. Right now your work is non-free software.
Could you please specify the license?

Thanks.

function ends without a return statement

With go1 (default on ubuntu)

go get github.com/ebfe/go.pcsclite/scard
# github.com/ebfe/go.pcsclite/scard
scard.go:85[/tmp/go-build170868432/github.com/ebfe/go.pcsclite/scard/_obj/scard.cgo1.go:107]: function ends without a return statement

Indeed, in this function, all the retuen are inside the switch, adding on at the end would probably solve the trouble.

scard: Cannot find a smart card reader

I'm trying to write a small Go program to talk to my Yubikey Neo, but I'm having trouble getting go.pcsclite to recognise it.

I've installed pcsc-lite via Homebrew (v1.8.13), and I know the Yubikey is plugged in and working because pcsctest, opensc-tool, ykinfo and ykneomgr can all see it.

❯ pcsctest

MUSCLE PC/SC Lite Test Program

Testing SCardEstablishContext    : Command successful.
Testing SCardGetStatusChange
Please insert a working reader   : Command successful.
Testing SCardListReaders         : Command successful.
Reader 01: Yubico Yubikey NEO OTP+CCID

❯ opensc-tool --list-readers
# Detected readers (pcsc)
Nr.  Card  Features  Name
0    Yes             Yubico Yubikey NEO OTP+CCID

❯ ykinfo -a
serial: 1234567
serial_hex: a1b2c3
serial_modhex: modhex
version: 3.3.0
touch_level: 1551
programming_sequence: 3
slot1_status: 1
slot2_status: 1
vendor_id: 1050
product_id: 111

❯ ykneomgr --list-readers
0: Yubico Yubikey NEO OTP+CCID

My program looks like this:

package main

import (
  "fmt"
  "github.com/ebfe/go.pcsclite/scard"
)

func main() {
  ctx, err := scard.EstablishContext()
  if err != nil {
    panic(err)
  }
  readers, err := ctx.ListReaders()
  if err != nil {
    panic(err)
  }
  fmt.Println(readers)
}

The error I'm seeing is this:

❯ go build && ./yubigo-oath
panic: scard: Cannot find a smart card reader.

goroutine 16 [running]:
runtime.panic(0x40bca20, 0x8010002e)
        /brew/Cellar/go/1.3.3/libexec/src/pkg/runtime/panic.c:279 +0xf5
main.main()
        /Users/james/Projects/jamesottaway/yubigo-oath/main.go:15 +0xd3

I'm running pcscd in debug mode, and it gives the following output:

❯ sudo pcscd -fd
00000000 debuglog.c:292:DebugLogSetLevel() debug level=debug
00000089 configfile.l:355:DBGetReaderList() Parsing conf file: /brew/Cellar/pcsc-lite/1.8.13/etc/reader.conf.d
00000008 pcscdaemon.c:569:main() pcsc-lite 1.8.13 daemon ready.
09077573 winscard_msg_srv.c:253:ProcessEventsServer() Common channel packet arrival
00000024 winscard_msg_srv.c:265:ProcessEventsServer() ProcessCommonChannelRequest detects: 5
00000005 pcscdaemon.c:134:SVCServiceRunLoop() A new context thread creation is requested: 5
00000052 winscard_svc.c:331:ContextThread() Authorized PC/SC client
00000005 winscard_svc.c:335:ContextThread() Thread is started: dwClientID=5, threadContext @0x7ff749e0a8d0
00000012 winscard_svc.c:353:ContextThread() Received command: CMD_VERSION from client 5
00000005 winscard_svc.c:365:ContextThread() Client is protocol version 4:3
00000002 winscard_svc.c:385:ContextThread() CMD_VERSION rv=0x0 for client 5
00000064 winscard_svc.c:353:ContextThread() Received command: ESTABLISH_CONTEXT from client 5
00000256 winscard.c:216:SCardEstablishContext() Establishing Context: 0x18A4445A
00000016 winscard_svc.c:446:ContextThread() ESTABLISH_CONTEXT rv=0x0 for client 5
00000076 winscard_svc.c:353:ContextThread() Received command: CMD_GET_READERS_STATE from client 5
00000631 winscard_svc.c:345:ContextThread() Client die: 5
00000014 winscard.c:227:SCardReleaseContext() Releasing Context: 0x18A4445A
00000008 winscard_svc.c:978:MSGCleanupClient() Thread is stopping: dwClientID=5, threadContext @0x7ff749e0a8d0
00000004 winscard_svc.c:984:MSGCleanupClient() Freeing SCONTEXT @0x7ff749e0a8d0

Is there something I'm missing here?

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