[Freeipa-users] Sudo entry not found by sssd in the cache db

Pavel Březina pbrezina at redhat.com
Mon Sep 14 13:08:11 UTC 2015


On 09/11/2015 02:40 PM, Molnár Domokos wrote:
> Full log attached.
> "Molnár Domokos" <kretebe at freemail.hu> írta:
>
>
>     "Pavel Březina" <pbrezina at redhat.com> írta:
>
>         On 09/09/2015 09:31 PM, Molnár Domokos wrote:
>          > I have a working IPA server and a working client config on an OpenSuse
>          > 13.2 with the following versions:
>          > nappali:~ # rpm -qa |grep sssd
>          > sssd-tools-1.12.2-3.4.1.i586
>          > sssd-krb5-1.12.2-3.4.1.i586
>          > python-sssd-config-1.12.2-3.4.1.i586
>          > sssd-ipa-1.12.2-3.4.1.i586
>          > sssd-1.12.2-3.4.1.i586
>          > sssd-dbus-1.12.2-3.4.1.i586
>          > sssd-krb5-common-1.12.2-3.4.1.i586
>          > sssd-ldap-1.12.2-3.4.1.i586
>          > sssd is confihured for nss, pam, sudo
>          > There is a test sudo rule defined in the ipa server, which applies to
>          > user "doma".  However when the user tries to use sudo the rule does not
>          > work.
>          > doma at nappali:/home/doma> sudo ls
>          > doma's password:
>          > doma is not allowed to run sudo on nappali.  This incident will be reported.
>          > The corresponding log in the sssd_sudo.log is this:
>          > (Wed Sep  9 21:25:25 2015) [sssd[sudo]] [sss_cmd_get_version] (0x0200):
>          > Received client version [1].
>          > (Wed Sep  9 21:25:25 2015) [sssd[sudo]] [sss_cmd_get_version] (0x0200):
>          > Offered version [1].
>          > (Wed Sep  9 21:25:25 2015) [sssd[sudo]] [sss_parse_name_for_domains]
>          > (0x0200): name 'doma' matched without domain, user is doma
>          > (Wed Sep  9 21:25:25 2015) [sssd[sudo]] [sss_parse_name_for_domains]
>          > (0x0200): name 'doma' matched without domain, user is doma
>          > (Wed Sep  9 21:25:25 2015) [sssd[sudo]] [sudosrv_cmd_parse_query_done]
>          > (0x0200): Requesting default options for [doma] from [<ALL>]
>          > (Wed Sep  9 21:25:25 2015) [sssd[sudo]] [sudosrv_get_user] (0x0200):
>          > Requesting info about [doma at szilva]
>          > (Wed Sep  9 21:25:25 2015) [sssd[sudo]]
>          > [sudosrv_get_sudorules_query_cache] (0x0200): Searching sysdb with
>          > [(&(objectClass=sudoRule)(|(sudoUser=ALL)(name=defaults)(sudoUser=doma)(sudoUser=#1816400003)(sudoUser=%ipausers)(sudoUser=%picture_access)(sudoUser=%doma)(sudoUser=+*))(&(dataExpireTimestamp<=1441826725)))]
>          > (Wed Sep  9 21:25:25 2015) [sssd[sudo]]
>          > [sudosrv_get_sudorules_query_cache] (0x0200): Searching sysdb with
>          > [(&(objectClass=sudoRule)(|(name=defaults)))]
>          > (Wed Sep  9 21:25:25 2015) [sssd[sudo]] [sss_parse_name_for_domains]
>          > (0x0200): name 'doma' matched without domain, user is doma
>          > (Wed Sep  9 21:25:25 2015) [sssd[sudo]] [sss_parse_name_for_domains]
>          > (0x0200): name 'doma' matched without domain, user is doma
>          > (Wed Sep  9 21:25:25 2015) [sssd[sudo]] [sudosrv_cmd_parse_query_done]
>          > (0x0200): Requesting rules for [doma] from [<ALL>]
>          > (Wed Sep  9 21:25:25 2015) [sssd[sudo]] [sudosrv_get_user] (0x0200):
>          > Requesting info about [doma at szilva]
>          > (Wed Sep  9 21:25:25 2015) [sssd[sudo]]
>          > [sudosrv_get_sudorules_query_cache] (0x0200): Searching sysdb with
>          > [(&(objectClass=sudoRule)(|(sudoUser=ALL)(name=defaults)(sudoUser=doma)(sudoUser=#1816400003)(sudoUser=%ipausers)(sudoUser=%picture_access)(sudoUser=%doma)(sudoUser=+*))(&(dataExpireTimestamp<=1441826725)))]
>          > (Wed Sep  9 21:25:25 2015) [sssd[sudo]]
>          > [sudosrv_get_sudorules_query_cache] (0x0200): Searching sysdb with
>          > [(&(objectClass=sudoRule)(|(sudoUser=ALL)(sudoUser=doma)(sudoUser=#1816400003)(sudoUser=%ipausers)(sudoUser=%picture_access)(sudoUser=%doma)(sudoUser=+*)))]
>          > (Wed Sep  9 21:25:30 2015) [sssd[sudo]] [client_recv] (0x0200): Client
>          > disconnected!
>          > This seems perfectly OK with one exception. The query against the sysdb
>          > does not find the entry. This is strange because the entry is there.
>          > Log in sssd.log:
>          > (Wed Sep  2 08:52:13 2015) [sssd] [sysdb_domain_init_internal] (0x0200):
>          > DB File for szilva: /var/lib/sss/db/cache_szilva.ldb
>          > So we know that the sysdb is /var/lib/sss/db/cache_szilva.ldb
>          > Running the exact same query seen above in the sssd_sudo.log against the
>          > db returns:
>          > ldbsearch -H /var/lib/sss/db/cache_szilva.ldb
>          > "(&(objectClass=sudoRule)(|(sudoUser=ALL)(sudoUser=doma)(sudoUser=#1816400003)(sudoUser=%ipausers)(sudoUser=%picture_access)(sudoUser=%doma)(sudoUser=+*)))"
>          > asq: Unable to register control with rootdse!
>          > # record 1
>          > dn: name=Doma_ls,cn=sudorules,cn=custom,cn=szilva,cn=sysdb
>          > cn: Doma_ls
>          > dataExpireTimestamp: 1441830262
>          > entryUSN: 20521
>          > name: Doma_ls
>          > objectClass: sudoRule
>          > originalDN: cn=Doma_ls,ou=sudoers,dc=szilva
>          > sudoCommand: ls
>          > sudoHost: nappali.szilva
>          > sudoRunAsGroup: ALL
>          > sudoRunAsUser: ALL
>          > sudoUser: doma
>          > distinguishedName: name=Doma_ls,cn=sudorules,cn=custom,cn=szilva,cn=sysdb
>          > # returned 1 records
>          > # 1 entries
>          > # 0 referrals
>          > This confirms that the entry is indeed there in the db. Why is it found
>          > with ldbsearch and why does sssd_sudo not find it?
>          > I am pretty much stuck with this one. Anyone has an idea?
>          >
>          >
>         Hi,
>         this is strange. Can you provide the logs with debug level set to 0x3ff0
>
>         please? Can you also send it as an attachment? Thanks!
>
>     Sure. Here it is. Now I can see that the rule is returned. The
>     question is why the rule does not match. Anyway much better :)

Hi, thanks for the logs. Since the rule is returned, we will get more 
information from sudo logs. Can you please enable sudo logging by 
putting the following line into /etc/sudo.conf?

Debug sudo /var/log/sudo_debug all at trace

Run sudo and send us /var/log/sudo_debug? Thanks!





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