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Full Discussion: Change login process
Top Forums UNIX for Advanced & Expert Users Change login process Post 303000917 by halfboy on Sunday 23rd of July 2017 03:35:37 PM
Old 07-23-2017
Change login process

Hello everybody !

At the beginning - I hope everything will be understandable as I know that my english skills are not as good as I would like.

I use Manjaro Linux for one year, previously used Ubuntu for 6 years. Today I got an idea to create small USB electronic device but I don't know how to manage it under Linux. What this device should do ? This will be small box with USB interface, inside will be electronics to detect RFID card. If user will approach his RFID card to device - Linux should login that user to system. I suppose that I should write small linux kernel driver to USB that will be run in background and each correct try will log user. Of course, when user has no card it is still possible to login by login and password. My biggest problem is: how to change behaviour of standard Linux login window? What should I google or where find information? I'm not afraid with changing kernel, writing new modules, I would like to learn Linux at all Smilie

Thanks in advance for ideas !
Greetings
Mateusz
 

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USLCOM(4)						   BSD Kernel Interfaces Manual 						 USLCOM(4)

NAME
uslcom -- Silicon Laboratories CP2101/CP2102/CP2103/CP2104/CP2105 based USB serial adapter SYNOPSIS
To compile this driver into the kernel, place the following lines in your kernel configuration file: device usb device ucom device uslcom Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): uslcom_load="YES" DESCRIPTION
The uslcom driver supports Silicon Laboratories CP2101/CP2102/CP2103/CP2104/CP2105 based USB serial adapters. HARDWARE
The following devices should work with the uslcom driver: o AC-Services CAN, CIS-IBUS, IBUS and OBD interfaces o Aerocomm Radio o AKTACOM ACE-1001 cable o AMBER Wireless AMB2560 o Arkham DS-101 Adapter o Argussoft ISP o Arygon Technologies Mifare RFID Reader o AVIT Research USB-TTL interface o B&G H3000 Data Cable o Balluff RFID reader o Baltech card reader o BEI USB VCP Sensor o Burnside Telecom Desktop Mobile o chip45.com Crumb128 module o Clipsal 5000CT2, 5500PACA, 5500PCU, 560884, 5800PC, C5000CT2 and L51xx C-Bus Home Automation products o Commander 2 EDGE(GSM) Modem o Cygnal Fasttrax GPS and Debug adapter o DataApex MultiCOM USB to RS232 converter o Degree Controls USB adapter o DekTec DTA Plus VHF/UHF Booster o Dell DW700 GPS Receiver o Digianswer ZigBee/802.15.4 MAC o Dynastream ANT Development kits o Elan USBcount50, USBscope50, USBpulse100 and USBwave12 o ELV USB-I2C interface o EMS C1007 HF RFID controller o Festo CPX-USB and CMSP interfaces o Gemalto Prox-PU/CU contactless card reader o Helicomm IP-Link 1220-DVM o IMS USB-RS422 adapter o Infinity GPS-MIC-1 Radio Monophone o INSYS Modem o IRZ SG-10 and MC35pu GSM/GPRS Modems o Jablotron PC-60B o Kamstrup M-Bus Master MultiPort 250D and Optical Eye/3 wire utility meter interfaces o Kyocera GPS o Link Instruments MS-019 and MS-028 Oscilloscope/Logic Analyzer/Pattern Generators o Lipowsky Baby-JTAG, Baby-LIN and HARP-1 o MEI CashFlow SC and Series 2000 cash acceptors o MJS USB-TOSLINK Adapter o MobiData GPRS USB Modems o MSD DashHawk o Multiplex RC adapter o Optris MSpro LT Thermometer o Owen AC4 USB-RS485 converter o Pirelli DP-L10 SIP phone o PLX CA-42 Phone cable o Pololu USB to Serial o Procyon AVS Mind Machine o Renesas RX-Stick for RX610 o Siemens MC60 Cable o Silicon Laboratories generic CP2101/CP2102/CP2103/CP2104/CP2105 chips o Software Bisque Paramount ME o SPORTident BSM7-D USB o Suunto Sports Instrument o Syntech CipherLab USB Barcode Scanner o T-Com TC 300 SIP phone o Tams Master Easy Control o Telegesis ETRX2USB o Timewave HamLinkUSB o Tracient RFID Reader o Track Systems Traqmate o Vaisala USB Instrument cable o VStabi Controller o WAGO 750-923 USB Service Cable o WaveSense Jazz Blood Glucose Meter o WIENER Plein & Baus CML Data Logger, RCM Remote, and PL512 and MPOD PSUs o WMR RIGblaster Plug&Play and RIGtalk RT1 o Zephyr Bioharness SEE ALSO
tty(4), ucom(4), usb(4) HISTORY
The uslcom device driver first appeared in OpenBSD 4.0. The first FreeBSD release to include it was FreeBSD 7.1. AUTHORS
The uslcom driver was written by Jonathan Gray <jsg@openbsd.org>. BSD
August 4, 2012 BSD
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