[Freeipa-users] SSSD client (amazon linux) + IPA server (Redhat)

[Jakub Hrozek]

> On 18 Sep 2015, at 19:17, Gustavo Mateus <gustavo.mateus at gmail.com> wrote:
> 
> That only shows this:
> 
> # extended LDIF
> #
> # LDAPv3
> # base <cn=compat,dc=my,dc=domain,dc=com> with scope subtree
> # filter: (&(uid=admin)(objectclass=posixAccount)(uid=*)(&(uidNumber=*)(!(uidNumber=0))))
> # requesting: ALL
> #
> 
> # admin, users, compat, my.domain.com
> dn: uid=admin,cn=users,cn=compat,dc=my,dc=domain,dc=com
> cn: Administrator
> uidNumber: 1742200000
> objectClass: posixAccount
> objectClass: top
> gidNumber: 1742200000
> gecos: Administrator
> loginShell: /bin/bash
> homeDirectory: /home/admin
> uid: admin
> 

Since sshPublicKey is not listed here, the ACIs still prevent you from reading the attribute. You need to either bind as a user who has permissions to read it or make the public key world-readable (I don't think making it world-readable would be an issue since it's a pubkey)

> # search result
> search: 2
> result: 0 Success
> 
> # numResponses: 2
> # numEntries: 1
> 
> On Fri, Sep 18, 2015 at 1:40 AM, Jakub Hrozek <jhrozek at redhat.com> wrote:
> On Thu, Sep 17, 2015 at 10:33:41AM -0700, Gustavo Mateus wrote:
> > When I use id_provider=ipa I get:
> >
> > [sssd[be[default]]] [main] (0x0010): Could not initialize backend [2]
> 
> Ah, I think they simply don't package the IPA backend.
> 
> Time to file an RFE with Amazon? :-)
> 
> >
> >
> > Adding a [ssh] section with just "debug_level = 10"on it, I get:
> >
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [get_client_cred] (0x4000): Client
> > creds: euid[1742200001] egid[1742200001] pid[6295].
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [reset_idle_timer] (0x4000): Idle
> > timer re-set for client [0xd34eb0][17]
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [accept_fd_handler] (0x0400): Client
> > connected!
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [reset_idle_timer] (0x4000): Idle
> > timer re-set for client [0xd34eb0][17]
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [sss_cmd_get_version] (0x0200):
> > Received client version [0].
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [sss_cmd_get_version] (0x0200):
> > Offered version [0].
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [reset_idle_timer] (0x4000): Idle
> > timer re-set for client [0xd34eb0][17]
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [reset_idle_timer] (0x4000): Idle
> > timer re-set for client [0xd34eb0][17]
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [ssh_cmd_parse_request] (0x0400):
> > Requested domain [<ALL>]
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [ssh_cmd_parse_request] (0x0400):
> > Parsing name [admin][<ALL>]
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [sss_parse_name] (0x0100): Domain
> > not provided!
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [sss_parse_name_for_domains]
> > (0x0200): name 'admin' matched without domain, user is admin
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [sss_ssh_cmd_get_user_pubkeys]
> > (0x0400): Requesting SSH user public keys for [admin] from [<ALL>]
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [sss_dp_issue_request] (0x0400):
> > Issuing request for [0x40aba0:1:admin at default]
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [sss_dp_get_account_msg] (0x0400):
> > Creating request for [default][1][1][name=admin]
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [sbus_add_timeout] (0x2000): 0xd32ba0
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [sss_dp_internal_get_send] (0x0400):
> > Entering request [0x40aba0:1:admin at default]
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [sbus_remove_timeout] (0x2000):
> > 0xd32ba0
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [sbus_dispatch] (0x4000): dbus conn:
> > 0xd310f0
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [sbus_dispatch] (0x4000):
> > Dispatching.
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [sss_dp_get_reply] (0x1000): Got
> > reply from Data Provider - DP error code: 0 errno: 0 error message: Success
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [ssh_user_pubkeys_search_next]
> > (0x0400): Requesting SSH user public keys for [admin at default]
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [sss_parse_name] (0x0100): Domain
> > not provided!
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [ldb] (0x4000): Added timed event
> > "ltdb_callback": 0xd3f3b0
> >
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [ldb] (0x4000): Added timed event
> > "ltdb_timeout": 0xd3f470
> >
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [ldb] (0x4000): Running timer event
> > 0xd3f3b0 "ltdb_callback"
> >
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [ldb] (0x4000): Destroying timer
> > event 0xd3f470 "ltdb_timeout"
> >
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [ldb] (0x4000): Ending timer event
> > 0xd3f3b0 "ltdb_callback"
> >
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [sss_dp_req_destructor] (0x0400):
> > Deleting request: [0x40aba0:1:admin at default]
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [reset_idle_timer] (0x4000): Idle
> > timer re-set for client [0xd34eb0][17]
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [reset_idle_timer] (0x4000): Idle
> > timer re-set for client [0xd34eb0][17]
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [client_recv] (0x0200): Client
> > disconnected!
> > (Thu Sep 17 17:27:12 2015) [sssd[ssh]] [client_destructor] (0x2000):
> > Terminated client [0xd34eb0][17]
> >
> >
> >
> >
> > ldbsearch shows this (ldbsearch -H /var/lib/sss/db/cache_default.ldb
> > name=admin):
> >
> >
> > asq: Unable to register control with rootdse!
> > # record 1
> > dn: name=admin,cn=users,cn=default,cn=sysdb
> > createTimestamp: 1442509579
> > fullName: Administrator
> > gecos: Administrator
> > gidNumber: 1742200000
> > homeDirectory: /home/admin
> > loginShell: /bin/bash
> > name: admin
> > objectClass: user
> > uidNumber: 1742200000
> > originalDN: uid=admin,cn=users,cn=compat,dc=my,dc=domain,dc=com
> > originalModifyTimestamp: 20150829000451Z
> > entryUSN: 1428
> > lastUpdate: 1442509579
> > dataExpireTimestamp: 1442514979
> > distinguishedName: name=admin,cn=users,cn=default,cn=sysdb
> 
> The communication between the ssh responder and the back end went fine.
> I think I should have been more careful the first time around, looks
> like the backend cannot find the attribute in LDAP (some ACI problems,
> maybe?)
> 
> From your earlier logs:
> (Wed Sep 16 18:13:36 2015) [sssd[be[default]]] [sdap_attrs_add_ldap_attr]
> (0x2000): sshPublicKey is not available for [admin].
> 
> You can run a similar query manually:
> ldapsearch -x -H ldap://your.ipa.server -b cn=compat,dc=my,dc=domain,dc=com (&(uid=admin)(objectclass=posixAccount)(uid=*)(&(uidNumber=*)(!(uidNumber=0))))
> 
> Does that show the sshPublicKey ?
>