In a fresh install of F19 using a kickstart file, authconfig does not create /etc/sssd/sssd.conf. The kickstart file contains the line: authconfig --enableshadow --passalgo=sha512 --enablefingerprint --enableldap --ldapserver=server.example.com --ldapbasedn=o=example.com,c=de --enablekrb5 --krb5kdc=server.example.com --krb5adminserver=server.example.com --krb5realm=example.com --enablekrb5realmdns --enablesssd --enablesssdauth (where example.com and server.example.com replace actual names). Furthermore, running the same command line after the install with an added "--update" or "--updateall" still doesn't create the file - which led me to file this as an authconfig bug. This same authconfig kickstart/command line have worked in similar conditions in F17 and before. Downgrading authconfig package (6.2.6-3.fc19.1) on the F19 install to the initial F18 version (6.2.5-1.fc18.2) doesn't change this behaviour. However downgrading it to initial F17 version (6.2.1-1.fc17) recovers the expected functionality. The man page of authconfig (from 6.2.6-3.fc19.1) says: When the configuration settings allow use of SSSD for user information services and authentication, SSSD will be automatically used instead of the legacy services and the SSSD configuration will be set up so there is a default domain populated with the settings required to connect the services. which is what F17 and before did. The next phrases are however confusing: The --enablesssd and --enablesssdauth options force adding SSSD to /etc/nsswitch.conf and /etc/pam.d/system-auth, but they do not set up the domain in the SSSD configuration files. The SSSD configuration has to be set up manually. contradicts the previous phrase. Anyway, they only talk about the domain setting in SSSD config file, and not about (not) creating the SSSD config file. So I'm quite puzzled now as to what the "blessed" behaviour.
You need to use the --update option and simply do not use the --enablesssd --enablesssdauth options as these block setting up the sssd.conf file. The sssd will be implicitly enabled with --enableldap --enablekrb5.
Dropping --enablesssd --enablesssdauth from the above kickstart/command line still doesn't make authconfig generate the sssd.conf file. I forgot to say that I have already tried this both in the kickstart file and on the command line... so I've changed the status back to 'assigned'. It would be good anyway to mention in the man page that --enablesssd and/or --enablesssdauth block setting up the sssd.conf file.
Ah, I did not notice the --enablekrb5realmdns this is actually what prevents authconfig to enable the implicit SSSD support. I agree that this should be documented.
Hmmmm, dropping --enablekrb5realmdns (tried only command line, not from kickstart file) still doesn't make authconfig generate sssd.conf. I looked in the source and found the cause, though I don't fully understand the logic. In /usr/share/authconfig/authinfo.py, at line 3242: if not self.sssdDomain: if not self.implicitSSSD: # do not create a domain that would be incomplete anyway return True is triggered and the rest of the method is not executed. If I comment out 'if not self.implicitSSSD: return True', the sssd.conf is successfully generated and the authentication works. So what makes implicitSSSD be false there and is this test necessary ?
If you used --enablekrb5realmdns before, you need to use --disablekrb5realmdns to disable it. Then self.implicitSSSD will be set and it will work fine.
Indeed, it seems --disablekrb5realmdns is actually necessary, just dropping --enablekrb5realmdns is not enough. With --disablekrb5realmdns, the sssd.conf file is created. There is no mention of --[enable|disable]krb5realmdns in the man page of authconfig. From the help description I cannot see the link between creation of the sssd.conf file and the use of DNS to find Kerberos realms. Could you please explain the intention ? And why did the behaviour change with respect to at least F17 ? And maybe better still, document this option... This bug can be closed.
The --disablekrb5realmdns would not be needed in kickstart as the default is disabled. You just must not use --enablekrb5realmdns. I'll keep the bug open for the manual page improvements.
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