New version of pcsc-lite: 1.8.26

Ludovic Rousseau

2020-01-03 17:05

I just released a new version of pcsc-lite 1.8.26.
pcsc-lite is a Free Software implementation of the PC/SC (or WinSCard) API for Unix systems.

Changes

1.8.26: Ludovic Rousseau
3 January 2020

Use poll() instead of select() to allow file descriptor higher than FD_SETSIZE
Enable reader filtering by default
pcsc-spy:

Do not read output buffer after error
Adjust code to handle autoallocated buffers
fix year-2038 issue by using long instead of int

Android: fix compilation
if client/server protocol mismatch:

log an explicit message
SCardEstablishContext() returns SCARD_E_SERVICE_STOPPED

polkit: log the error message if polkit_authority_get_sync() fails
Exit with EXIT_SUCCESS on shutdown to please systemd
Doxygen: fix minor issues in the documentation
Add --disable-documentation option
Fix a minor memory leak

Motivation

The major change is the use of reader filtering by default. No need to rebuild pcsc-lite using --enable-filter any more.
The feature was introduced in 2015 and is documented at "Remove and/or customize PC/SC reader names".

This feature is requested in packages by some users.

In Debian bug #947883 " Enable reader name filter in pcscd "
https://bugs.debian.org/947883
In Arch Linux bug 51912 " [pcsclite] Enable 'filter' support "
https://bugs.archlinux.org/task/51912
And also in Ubuntu bug 1857118 " Build pcscd with --enable-filter option "
https://bugs.launchpad.net/bugs/1857118

To avoid that each GNU/Linux distribution changes the packaging configuration to enable the feature I decided to enable the feature by default in the upstream project.

This change should not have any bad side effect. Only root can modify the configuration file /etc/default/pcscd or the systemd file /etc/systemd/system/pcscd.service.d/override.conf.

For systemd use: sudo systemctl edit pcscd to add something like:

[Service]
Environment=PCSCLITE_FILTER_IGNORE_READER_NAMES=Nitrokey

You can get the previous behaviour by using

./configure --disable-filter