FW: Winbind authentication fails when a few signals are waiting in select_pipe (Samba 3.0.20)

[Dina Fine]

I meant that the function open_any_socket_out() doesn't try to select
again. (util_sock.c)

> ______________________________________________ 
> From: 	Dina Fine  
> Sent:	Wednesday, June 07, 2006 11:46 AM
> To:	samba-technical at lists.samba.org
> Subject:	Winbind authentication fails when a few signals are
> waiting in select_pipe (Samba 3.0.20)
> 
> Hi
> 
> Winbind (Samba 3.0.20) returns errors on any client request if a few
> signals were sent to winbindd processes.
> 
> For example if I will send USR1 signal 7 times, the select_pipe will
> have 7 signals written
> It means that user will success to authenticate only on 8 retry.
> 
> This is because the cm_open_connection() doesn't check the sys_select
> error, and fails even on EINTR. (instead of trying again).
> 
> [2006/06/07 08:15:33, 3, pid=725]
> lib/util_sock.c:open_any_socket_out(1015)
>   Select failed with error(4) - Interrupted system call
> [2006/06/07 08:15:33, 3, pid=725]
> lib/util_sock.c:open_any_socket_out(1063)
>   In done, resulting index is -1
> [2006/06/07 08:15:33, 3, pid=725]
> nsswitch/winbindd_cm.c:find_new_dc(703)
>   Adding connection() to failed connections
> [2006/06/07 08:15:33, 3, pid=725]
> nsswitch/winbindd_misc.c:winbindd_dual_check_machine_acct(71)
>   could not open handle to NETLOGON pipe
> [2006/06/07 08:15:33, 2, pid=725]
> nsswitch/winbindd_misc.c:winbindd_dual_check_machine_acct(101)
>   Checking the trust account password returned
> NT_STATUS_DOMAIN_CONTROLLER_NOT_FOUND
> 
> Thanks
> Dina
>