That did it, thanks! I could have sworn I tried that, maybe I ended up putting it in in the wrong section. I wish whatever changed going from 4.2.0 to 4.4.0 that made SELinux required, took the selinux enforcement level into account and updated the file accordingly.
On Fri, Dec 23, 2016 at 4:31 AM, Alexander Bokovoy <aboko...@redhat.com> wrote: > On to, 22 joulu 2016, Dan Kemp wrote: > >> Hello, >> >> I recently ran an upgrade of my freeipa servers, and most of the clients >> to >> 4.4.0 (Current with CentOS 7 repos) from version 4.2.0. After the install >> and server update, I can no longer log in to update clients via ssh. Login >> to non-update clients works as before. >> >> The SSH connections fail with: >> >> Connection closed by UNKNOWN >> >> I ran sssd with debugging on a failing 4.4.0 client and got this error >> log: >> >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [ldb] (0x4000): commit >> ldb transaction (nesting: 2) >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [ldb] (0x4000): commit >> ldb transaction (nesting: 1) >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [ldb] (0x4000): commit >> ldb transaction (nesting: 0) >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] >> [selinux_child_create_buffer] (0x4000): buffer size: 45 >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [child_handler_setup] >> (0x2000): Setting up signal handler up for pid [437] >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [child_handler_setup] >> (0x2000): Signal handler set up for pid [437] >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [sdap_process_result] >> (0x2000): Trace: sh[0x560c04c37790], connected[1], ops[(nil)], >> ldap[0x560c04c32d60] >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [sdap_process_result] >> (0x2000): Trace: end of ldap_result list >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [write_pipe_handler] >> (0x0400): All data has been sent! >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [main] (0x0400): >> selinux_child started. >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [main] (0x2000): >> Running with effective IDs: [0][0]. >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [main] (0x2000): >> Running with real IDs [0][0]. >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [main] (0x0400): >> context initialized >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [unpack_buffer] >> (0x2000): seuser length: 12 >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [unpack_buffer] >> (0x2000): seuser: unconfined_u >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [unpack_buffer] >> (0x2000): mls_range length: 14 >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [unpack_buffer] >> (0x2000): mls_range: s0-s0:c0.c1023 >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [unpack_buffer] >> (0x2000): username length: 7 >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [unpack_buffer] >> (0x2000): username: ipauser >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [main] (0x0400): >> performing selinux operations >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] >> [sss_semanage_init] >> (0x0020): SELinux policy not managed >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [get_seuser] >> (0x0020): Cannot create SELinux handle >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] >> [seuser_needs_update] (0x2000): get_seuser: ret: 5 seuser: unknown mls: >> unknown >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] >> [sss_semanage_init] >> (0x0020): SELinux policy not managed >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [set_seuser] >> (0x0020): Cannot init SELinux management >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [main] (0x0020): >> Cannot set SELinux login context. >> (Wed Dec 20 20:38:13 2016) [[sssd[selinux_child[437]]]] [main] (0x0020): >> selinux_child failed! >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [read_pipe_handler] >> (0x0400): EOF received, client finished >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [selinux_child_done] >> (0x0020): selinux_child_parse_response failed: [22][Invalid argument] >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [dp_req_done] >> (0x0400): >> DP Request [PAM SELinux #3]: Request handler finished [0]: Success >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [_dp_req_recv] >> (0x0400): DP Request [PAM SELinux #3]: Receiving request data. >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [dp_req_destructor] >> (0x0400): DP Request [PAM SELinux #3]: Request removed. >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [dp_req_destructor] >> (0x0400): Number of active DP request: 0 >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [dp_pam_reply] >> (0x1000): DP Request [PAM Account #2]: Sending result [4][domain.local] >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [child_sig_handler] >> (0x1000): Waiting for child [437]. >> (Wed Dec 20 20:38:13 2016) [sssd[be[domain.local]]] [child_sig_handler] >> (0x0020): child [437] failed with status [1]. >> (Wed Dec 20 20:38:13 2016) [sssd[pam]] [sbus_remove_timeout] (0x2000): >> 0x55f4be11f4c0 >> (Wed Dec 20 20:38:13 2016) [sssd[pam]] [sbus_dispatch] (0x4000): dbus >> conn: >> 0x55f4be1191b0 >> (Wed Dec 20 20:38:13 2016) [sssd[pam]] [sbus_dispatch] (0x4000): >> Dispatching. >> (Wed Dec 20 20:38:13 2016) [sssd[pam]] [pam_dp_process_reply] (0x0200): >> received: [4 (System error)][domain.local] >> (Wed Dec 20 20:38:13 2016) [sssd[pam]] [pam_reply] (0x0200): pam_reply >> called with result [4]: System error. >> (Wed Dec 20 20:38:13 2016) [sssd[pam]] [pam_reply] (0x0200): blen: 39 >> (Wed Dec 20 20:38:13 2016) [sssd[pam]] [reset_idle_timer] (0x4000): Idle >> timer re-set for client [0x55f4be11f980][19] >> (Wed Dec 20 20:38:13 2016) [sssd[pam]] [reset_idle_timer] (0x4000): Idle >> timer re-set for client [0x55f4be11f980][19] >> (Wed Dec 20 20:38:13 2016) [sssd[pam]] [client_recv] (0x0200): Client >> disconnected! >> (Wed Dec 20 20:38:13 2016) [sssd[pam]] [client_close_fn] (0x2000): >> Terminated client [0x55f4be11f980][19] >> (Wed Dec 20 20:38:13 2016) [sssd[nss]] [reset_idle_timer] (0x4000): Idle >> timer re-set for client [0x5604f5217c60][22] >> (Wed Dec 20 20:38:13 2016) [sssd[nss]] [client_recv] (0x0200): Client >> disconnected! >> (Wed Dec 20 20:38:13 2016) [sssd[nss]] [client_close_fn] (0x2000): >> Terminated client [0x5604f5217c60][22] >> (Wed Dec 20 20:38:13 2016) [sssd[nss]] [reset_idle_timer] (0x4000): Idle >> timer re-set for client [0x5604f5216b20][21] >> (Wed Dec 20 20:38:13 2016) [sssd[nss]] [client_recv] (0x0200): Client >> disconnected! >> (Wed Dec 20 20:38:13 2016) [sssd[nss]] [client_close_fn] (0x2000): >> Terminated client [0x5604f5216b20][21] >> >> >> SeLinux is disabled, as I am running the clients in LXC containers on a >> debian host. My setup is pretty simple, and was working before (and >> connections to 4.2.0 clients are still functional!). Nothing looks amiss >> in >> the ssh logs. >> > Add selinux_provider=none to the domain section if you are not using > SELinux at all. > > -- > / Alexander Bokovoy >
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