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  • 20:19
    dependabot[bot] labeled #993
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    dependabot[bot] labeled #993
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Triss Healy
@trissylegs
(Yes I'm using name instead of spn because there's too many names to fix up)
Firstyear
@Firstyear
No that's fine
That's why it's there
I use name as well at home too
the spn thing is meant for future proofing when (if?) i add trusts
Triss Healy
@trissylegs
It's also good for RDM and other weird things.
Firstyear
@Firstyear
Okay, can you show me your /etc/kanidm/unixd config?
Triss Healy
@trissylegs
% cat /etc/kanidm/unixd
# this should be at /etc/kanidm/unixd, and configures kanidm-unixd
# some documentation is here: https://github.com/kanidm/kanidm/blob/master/kanidm_book/src/pam_and_nsswitch.md
pam_allowed_login_groups = ["humans"]
# default_shell = "/bin/bash"
home_prefix = "/home/"
home_attr = "uuid"
home_alias = "name"
uid_attr_map = "name"
gid_attr_map = "name"
Oh this is the message I get:
$ su -l nirya
Password: 
su: Authentication service cannot retrieve authentication info
Firstyear
@Firstyear
can you show me getent group humans?
Triss Healy
@trissylegs
$ getent group humans
humans:x:2001:test_user,nirya
Firstyear
@Firstyear
Which distro?
Triss Healy
@trissylegs
Arch linux. Editing PAM is mostly been guessing because its different to both SUSE and Redhat
Firstyear
@Firstyear
Right
Okay, so the next steps would be

systemctl edit kanidm-unix.service

[Service]
Environment="RUST_LOG=kanidm=debug"

in pam, on lines with pam_kanidm.so, add the option debug

Then restart kanidm-unixd, and try su again.
Youll have more info in journalctl, and it prints more to the TTY from the pam module.
But after that I'll need to see your /etc/pam.d/su and probably other fules.
files*
There is a troubleshooting section here which is honestly what I'm reading XD
Triss Healy
@trissylegs
Yea. I've been through most of that
I think it'll be something in /etc/pam.d
Firstyear
@Firstyear
Yeah, most likely
Pam is really tricky and delicate at the best of times :(
Triss Healy
@trissylegs
Firstyear
@Firstyear
That all looks happy
content of /etc/pam.d/su ?
It may have include statements, so if those are present, can you provide those files too?
Triss Healy
@trissylegs
From what I gathered. Arch linux pam nearly all includes system-login
Firstyear
@Firstyear
Yeah, but better to check what /etc/pam.d/su actually says :P
Triss Healy
@trissylegs
% cat su
#%PAM-1.0
auth            sufficient      pam_rootok.so
# Uncomment the following line to implicitly trust users in the "wheel" group.
#auth           sufficient      pam_wheel.so trust use_uid
# Uncomment the following line to require a user to be in the "wheel" group.
#auth           required        pam_wheel.so use_uid
auth            required        pam_unix.so
account         required        pam_unix.so
session            required        pam_unix.so
password        include         system-auth
pam.d/su-l is identical
Firstyear
@Firstyear
Yeah, that would be the isses, it's not including system-auth for auth/account/session, it's only using pam_unix
So it only allows local accounts.
Triss Healy
@trissylegs
Ahh
Firstyear
@Firstyear
Have a look at /etc/pam.d/sudo
It's content would likely be more alligned to what you want here.
Triss Healy
@trissylegs
% cat sudo       
#%PAM-1.0
auth        include        system-auth
account        include        system-auth
session        include        system-auth
Firstyear
@Firstyear
Yeah, exactly.
It's includidng system auth
Triss Healy
@trissylegs
I'll get systemauth in a gist it's longer
Firstyear
@Firstyear
I think for su and su-l though here, you'll have to be careful because I think that anyone who matches those assertions can SU.
Honestly, I don't use su much, I use sudo,
But I'd say that would be your issue
Triss Healy
@trissylegs
I think sudo has the same error. (But actually prints pam messages)
Firstyear
@Firstyear
Right, so then we'll need to see system-auth
But getting closer :)
Triss Healy
@trissylegs
So uhhh