kanidm/community

Community and Developer chat for Kanidm

Firstyear

@Firstyear

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*

https://kanidm.github.io/kanidm/pam_and_nsswitch.html

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

kanidm-unixd logs: https://gist.github.com/trissylegs/e18ba2e03e2728bb68dc8b8f9df902ea

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

Firstyear

@Firstyear

Uh oh.

Triss Healy

@trissylegs

I just run sudo --login and it worked

Firstyear

@Firstyear

Yeah.

But .....

Triss Healy

@trissylegs

$ sudo --user=nirya --login

We trust you have received the usual lecture from the local System
Administrator. It usually boils down to these three things:

    #1) Respect the privacy of others.
    #2) Think before you type.
    #3) With great power comes great responsibility.

[sudo] password for safety: 
acct_mgmt
args -> ["debug", "ignore_unknown_user"]
opts -> Options { debug: true, use_first_pass: false, ignore_unknown_user: true }

Firstyear

@Firstyear

sudo -s or sudo -i work?

Yeah,

Like I said, that su file, only allows pam_unix

Triss Healy

@trissylegs

Hmmm. Can't login to a tty though?

Firstyear

@Firstyear

Any debug messages there from the tty? IIRC tty's go through a different pam module nd again, may have their own requirements.

I think tty goes though /etc/pam.d/login

Triss Healy

@trissylegs

Ahh sudo might be doing this via pam_rootok.so.

Firstyear

@Firstyear

Possible.

I'm gonna have to run off shortly though, friends coming for dinner.

But I think you're on the right track now?

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