PCSCD - Online Linux Manual PageSection : 8
Updated : December 2021
Source : Muscle
Note : PC/SC Lite

NAMEpcscd − PC/SC Smart Card Daemon

SYNOPSISpcscd [options]

OPTIONS-a, −−apdu  log APDUs and SW using the debug method (see −−debug). −c, −−config dir  Specifies the directory dir as an alternate location for /etc/reader.conf.d/. The argument can also be a single configuration file (for backward compatibility). −f, −−foreground  Runs pcscd in the foreground and sends log messages to stderr instead of syslog(3). −T, −−color  force use of colored logs. −d, −−debug  use the lowest log level. Any log message of this level or above will be sent to stderr or syslog(3) depending on the use of −−foreground. −−info  use info log level. This is the default log level. −e, −−error  use error log level. −C, −−critical  use critical log level. The log levels are ordered as: debug < info < error < critical. Use a log level l will log this level and all the levels above it. −−force−reader−polling  ignore the IFD_GENERATE_HOTPLUG reader capability −t, −−max−thread  maximum number of threads (default 200). This is the maximum number of clients (SCardEstablishContext) that pcscd can handle. −s, −−max−card−handle−per−thread  maximum number of card handle per thread (default: 200). This is the maximum number of card handle (SCardConnect) per client (SCardEstablishContext). −r, −−max−card−handle−per−reader  maximum number of card handle per reader (default: 200) This is the maximum number of card handle (SCardConnect) per reader. −h, −−help  Displays information about the pcscd command line −v, −−version  Displays the program version number −H, −−hotplug  Ask pcscd to re-read the /etc/reader.conf.d/my_reader.conf files to detect added or removed non-USB readers (serial or PCMCIA). −x, −−auto−exit  pcscd will quit after 60 seconds of inactivity after the release of the last PC/SC context. This is used when pcscd is started on demand by systemd. −S, −−reader−name−no−serial  Do not include the USB serial number in the reader name. −I, −−reader−name−no−interface  Do not include the USB interface name in the reader name.

DESCRIPTIONpcscd is the daemon program for pcsc-lite. It is a resource manager that coordinates communications with smart card readers and smart cards and cryptographic tokens that are connected to the system. It allows applications to access smart cards and readers using the WinSCard API but without knowing details of the card or reader. pcscd coordinates the loading of drivers for card readers.

SERIAL SMART CARD READER DRIVERSSmart card reader drivers are placed in the /usr/lib64/pcsc/drivers directory. Each driver is simply an .so file. pcscd locates the driver using the /etc/reader.conf.d/my_reader.conf files. See the reader.conf(5) manual page for more information. Some drivers are available at https://muscle.apdu.fr/musclecard.com/drivers.html.

USB SMART CARD READER DRIVERSUSB smart card reader drivers are located in /usr/lib64/pcsc/drivers directory as a bundle. You shall NOT add a USB driver in a /etc/reader.conf.d/my_reader.conf file.

FILES/etc/reader.conf.d/* : Serial reader configuration files /run/pcscd/pcscd.pid : process id of the running pcscd /usr/lib64/pcsc/drivers/ : directory containing bundles for USB drivers

SEE ALSOreader.conf(5), syslog(3)

AUTHORSDavid Corcoran <corcoran@musclecard.com> and Ludovic Rousseau <ludovic.rousseau@free.fr>
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