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[Bug 1685131] Re: root cannot login to system without password

 

Hi Thomas thank you for your report and your help to make Ubuntu better.

I found the associated change at:
https://pagure.io/SSSD/sssd/c/fcbcfa69f9291936f01f24b5fcb5a7672dca46f3

That fix is in version 1.14 which means that Ubuntu Zesty and later are already fixed.
Adding a bug task fro X/Y - not sure if it applies back to trusty. By the code alone I'd think it does, but one has to confirm with a Test.


** Also affects: sssd (Ubuntu Yakkety)
   Importance: Undecided
       Status: New

** Also affects: sssd (Ubuntu Xenial)
   Importance: Undecided
       Status: New

** Changed in: sssd (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1685131

Title:
  root cannot login to system without password

Status in sssd package in Ubuntu:
  Fix Released
Status in sssd source package in Xenial:
  New
Status in sssd source package in Yakkety:
  New

Bug description:
  similar issue:
  https://pagure.io/SSSD/sssd/issue/3003

  (Workaround suggested above don't work on Xenial)

  dev3 detail:
   /var/log/auth.log - dev3 sshd[77]: error: AuthorizedKeysCommand /usr/bin/sss_ssh_authorizedkeys root failed, status 1

  root@dev3:~# cat .k5login 
  user1@xxxxxxxxxxxxx
  root@dev3:~# cat /root/.k5login 
  user1@xxxxxxxxxxxxx
  root@dev3:~# sss_ssh_authorizedkeys user1
  root@dev3:~# sss_ssh_authorizedkeys root
  Error looking up public keys
  root@dev3:~# lsb_release -a
  No LSB modules are available.
  Distributor ID:	Ubuntu
  Description:	Ubuntu 16.04.2 LTS
  Release:	16.04
  Codename:	xenial
  root@dev3:~# sssd --version
  1.13.4
  root@dev3:~# cat /etc/nsswitch.conf
  passwd:         compat sss
  group:          compat sss
  shadow:         compat sss
  gshadow:        files

  hosts:          files dns
  networks:       files

  protocols:      db files
  services:       db files sss
  ethers:         db files
  rpc:            db files

  netgroup:       nis sss
  sudoers: files sss


  login from Mocha to dev3:

  user1@mocha:~$ ssh root@xxxxxxxxxxxxxxxxxx
  root@xxxxxxxxxxxxxxxxxx's password: 

  (Ctrl+c)

  user1@mocha:~$ ssh user1@xxxxxxxxxxxxxxxxxx
  Welcome to Ubuntu 16.04.2 LTS (GNU/Linux 4.4.0-72-generic x86_64)
  user1@dev3:/home/user1$

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