On Thu Feb 05 2015 at 5:50:13 PM Nikita Karetnikov <nik...@karetnikov.org> wrote:
> Since NixOS is an unusual system, I’ve decided to ask here before > talking to the GnuPG people. > > How can I access a smart card? 'pccardctl' > (see https://github.com/NixOS/nixpkgs/pull/6172) detects it: > > $ /nix/store/dwibbrcls43c0bxkcj52qj6mi8xipd6a-pcmciautils-017/bin/pccardctl > ls > Socket 0 Bridge: [yenta_cardbus] (bus ID: 0000:05:00.0) > Socket 0 Device 0: [cm4040_cs] (bus ID: 0.0) > > $ /nix/store/dwibbrcls43c0bxkcj52qj6mi8xipd6a-pcmciautils-017/bin/pccardctl > status > Socket 0: > 5.0V 16-bit PC Card > Subdevice 0 (function 0) bound to driver "cm4040_cs" > > $ /nix/store/dwibbrcls43c0bxkcj52qj6mi8xipd6a-pcmciautils-017/bin/pccardctl > ident > Socket 0: > product info: "OMNIKEY", "CardMan 4040", "", "" > manfid: 0x0223, 0x0200 > > I've tried adding the following lines to 'configuration.nix' as > suggested in > https://bugs.launchpad.net/ubuntu/+source/gnupg/+bug/107337, but it > doesn't make a difference: > > services.udev.extraRules = > '' > SUBSYSTEM=="cardman_4040", GROUP="scard", MODE="0660" > ''; > > users.extraGroups = { sdcard = { }; }; > users.extraGroups.sdcard.members = [ "nikita" ]; > > After switching to the new config and rebooting: > > $ ls -l /dev/cmx0 > crw-rw---- 1 root root 248, 0 Feb 5 16:45 /dev/cmx0 > Well, looks like the rule doesn’t work. You can play with `udevadm` to find out why it doesn’t match your reader. (BTW using special groups for this kind of things is braindead IMO. It should be managed by logind [so Ubuntu links are definitely not the best source of wisdom]. I’m not sure how to properly handle this, `loginctl attach` might be enough or you might have to write an udev rule. In the latter case Fedora probably has what you need.) > $ gpg2 --card-edit > > scdaemon[2242]: error sending PC/SC OPEN request: Broken pipe > scdaemon[2242]: error sending PC/SC OPEN request: Broken pipe > gpg: selecting openpgp failed: Card error > gpg: OpenPGP card not available: Card error > > With ‘sudo’: > > $ sudo gpg2 --card-status > gpg: selecting openpgp failed: Card not present > gpg: OpenPGP card not available: Card not present > _______________________________________________ > nix-dev mailing list > nix-dev@lists.science.uu.nl > http://lists.science.uu.nl/mailman/listinfo/nix-dev >
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