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Benjamin Berg 657f58fd64 pam: Handle sigint by using a signalfd 
It makes sense to allow interrupting fingerprint authentication, but PAM
does not provide a way to define an interruptable operation.

We can work around this somewhat though by at least reacting to SIGINT
in an interactive terminal. Obviously, we shouldn't override the signal
handler, because that would be too intrusive. But creating a signalfd is
easy enough and doesn't affect the rest of the process state as much.
2021-01-22 13:23:36 +00:00
.tx Update Transifex configuration 2015-02-09 18:11:10 +01:00
data data: Use the correct mode for the state dir 2021-01-19 22:18:55 +00:00
doc build: Add some linefeeds to generated XML files 2020-08-17 15:21:27 +02:00
pam pam: Handle sigint by using a signalfd 2021-01-22 13:23:36 +00:00
po build: Check translations using a script 2020-02-05 15:25:35 +01:00
scripts scripts: Add uncrustify scripts for reformatting fprintd source code 2020-12-07 18:41:45 +01:00
src device: Prefer older prints when garbage collecting 2021-01-20 23:25:52 +01:00
tests tests: Add test to verify deletion 2021-01-20 23:25:52 +01:00
utils verify: Print message about verification start from callback 2020-12-11 16:00:28 +01:00
.git-blame-ignore-revs .git-blame-ignore-revs: Ignore formatting commit and add hint how to use it 2020-12-07 18:42:22 +01:00
.gitignore build: Remove autotools support 2020-02-05 16:54:54 +01:00
.gitlab-ci.yml ci: Move build jobs to build phase 2020-12-07 18:42:24 +01:00
AUTHORS Add myself to the authors 2008-11-02 11:16:13 +00:00
code-of-conduct.md Add code of conduct document 2019-07-25 12:07:27 +02:00
config.h.in device: Re-define polkit auto-pointer funcs if not defined 2020-11-27 18:21:29 +01:00
COPYING Fix warnings during docs build 2008-12-10 00:54:27 +00:00
meson.build Release 1.90.9 2021-01-13 13:23:24 +01:00
meson_options.txt build: make systemd dependency optional 2020-12-11 15:01:24 +01:00
NEWS Release 1.90.9 2021-01-13 13:23:24 +01:00
README README: Update link to website 2018-06-07 22:25:39 +02:00
README.transifex build: Add script to update translations 2020-02-05 15:25:35 +01:00
TODO TODO: Remove image transfer support 2018-05-31 17:28:19 +02:00
update-transifex.sh build: Add script to update translations 2020-02-05 15:25:35 +01:00

README 

fprintd
=======

https://fprint.freedesktop.org/

Daemon to offer libfprint functionality over D-Bus
Might eat your kangaroo.

Written in C.

Licensed under the GPL version 2 or any later version (see COPYING).

A PAM login module is included in the 'pam' directory.

API use cases
=============

- User wants to use the fingerprint reader, and enroll
  his fingerprints, or remove some fingerprints from the database

- Administrator wants to enroll fingerprints for a particular user,
  or remove fingerprints for a particular user

- Laptop/desktop authentication:
  * Check for fingerprint devices
  * Check whether a particular user has any fingerprints enrolled
  * Verify a fingerprint for a particular user, or, if the device
  supports it, verify that the fingerprint matches against
  any of the fingerprints enrolled

- Point Of Sale authentication (in a bar, the fingerprint reader is
  used to see who accesses a particular point of sale/till, in place
  of PIN code authentication and/or tokens)
  * Given a list of users, verify which one has scanned their finger