See fingerprint image #91
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DuckDuckGo and Google search Linux get fingerprint reader image.
Should read https://www.iso.org/standard/38746.html
Wikipedia: Fingerprint
Source: the Unix Stack Exchange comment 1448525
https://fprint.freedesktop.org/libfprint-dev/FpImage.html
Source: the Unix Stack Exchange comment 1448691
On my Debian 13 GNOME laptop:
Output:
on my Linux Mint 22.2 Cinnamon Framework 13.
I only censored with
Y.does not return anything.
Output:
sudoavoids asking for the password again and again for my tests.However, it assigns the fingerprint to
root:Output:
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DuckDuckGo and Google search Cinnamon prevent Authentication Required, GNOME prevent Authentication Required, GNOME prevent Authentication Required sudo and
GNOME prevent "Authentication Required" sudo.does not seem to help, maybe the issue is with fprintd, not
sudo.Output:
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does not return anything, related to #37.
It now works fine, the issue for making the fingerprint work was just the user the fingerprint was assigned to, this should still be considered as a bug as may specify the same fingerprint for 2 different users.
libfprint/fprintd/blob/244be2511f92f3de93ea8fb0b9df70a53f48169c/src/device.c#L2230 is debatable, but as it is not my case anymore, I don't mind.
DuckDuckGo and Google search Linux /var/lib/fprint/ to image.
Output:
Output:
DuckDuckGo and Google search
"Namespace FPrint not available".https://community.frame.work/t/reset-fingerprint-scanner/8699/8
https://community.frame.work/t/tracking-fingerprint-scanner-compatibility-with-linux-ubuntu-fedora-etc/1501/146 link does not work anymore.
https://community.frame.work/t/reset-fingerprint-scanner/8699/9 is not satisfying to me.
I quickly read wiki.archlinux.com: Fprint#No devices available (853113).
DuckDuckGo and Google search
FPrint "get_finger".https://lazka.github.io/pgi-docs/FPrint-2.0/classes/Print.html#FPrint.Print.get_username
https://lazka.github.io/pgi-docs/#FPrint-2.0
https://lazka.github.io/pgi-docs/FPrint-2.0/classes/Print.html#FPrint.Print.get_image
DuckDuckGo search
"gi.require_version".https://pygobject.gnome.org/guide/api/api.html#gi.require_version
DuckDuckGo search
"require_version" "Namespace" "not available".Output:
Output:
Python script:
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https://lazka.github.io/pgi-docs/FPrint-2.0/classes/Print.html#FPrint.Print.set_finger
does not seem to help.
https://lazka.github.io/pgi-docs/FPrint-2.0/classes.html
https://lazka.github.io/pgi-docs/FPrint-2.0/classes/ImageDevice.html does not seem to help.
https://lazka.github.io/pgi-docs/FPrint-2.0/classes/Context.html does not seem to help.
https://lazka.github.io/pgi-docs/FPrint-2.0/classes/Image.html#FPrint.Image.get_data
https://lazka.github.io/pgi-docs/FPrint-2.0/classes/Device.html looks too complex.
Other Google search results for
"FPrint" "get_image"only mentions the relevant:https://code.hyprland.org/fdo-mirrors/libfprint/src/tag/v1.94.5/tests/virtual-image.py
libfprint/libfprint
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So it does not seem interesting.
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Well it seems that my fingerprint reader does not provide image access.
https://fprint.freedesktop.org/libfprint-dev/FpDevice.html#:~:text=FP_DEVICE_FEATURE_CAPTURE
it is unclear to me if can enroll why can't capture.
does not return anything.
DuckDuckGo and Google search
"fprint.h: No such file or directory".RogueScholar/fingerprint-gui/issues/4#issuecomment-668893264 helps.
Output:
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DuckDuckGo search
"gio.h: No such file or directory".poliva/lightum/issues/52#issuecomment-261789469
Output:
Google search
"gio.h: No such file or directory".Output:
Source: the Stack Overflow comment 32521945
Note
storage.h.Output:
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meson.build:Output:
prints/README:The images are fingerprints.
libfprint/libfprint/blob/596b5f803238dd877c2c262833a7dfcf14f4ed91/README.md does not help compiling.
libfprint/libfprint/blob/596b5f803238dd877c2c262833a7dfcf14f4ed91/HACKING.md does not seem to help.
Output:
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Source: the Ask Ubuntu answer 145545
Output:
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DuckDuckGo and Google search
"fpi-compat.h: No such file or directory".Output:
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If change
storage.cwith a relative path:Output:
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does not return anything.
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printf("on_enroll_progress\n");is called, but noenrolled.pgmis generated.So my fingerprint reader definitely seems not to enable getting images.
Note that if delete images in
prints/enrolldo not regenerate some.