diff options
author | Christof Schmitt <cs@samba.org> | 2014-12-22 15:19:47 -0800 |
---|---|---|
committer | Jeremy Allison <jra@samba.org> | 2014-12-23 02:46:34 +0100 |
commit | 2fdc55160309cec89aeb88243cb18d058c67e918 (patch) | |
tree | fc71df906e765189e2cb2a54f9e4e879269d31be /source3/winbindd/winbindd_dual_srv.c | |
parent | e4213512d0a967e87a74a1ae816c903fb38dd8b9 (diff) | |
download | samba-2fdc55160309cec89aeb88243cb18d058c67e918.tar.gz |
winbind: Retry LogonControl RPC in ping-dc after session expiration
When the underlying session expires, the LogonControl RPC call used in
ping-dc returns NT_STATUS_IO_DEVICE_ERROR. Retry once in this case,
instead of returning the error to the caller.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Dec 23 02:46:34 CET 2014 on sn-devel-104
Diffstat (limited to 'source3/winbindd/winbindd_dual_srv.c')
-rw-r--r-- | source3/winbindd/winbindd_dual_srv.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/source3/winbindd/winbindd_dual_srv.c b/source3/winbindd/winbindd_dual_srv.c index 108b201065a..22e709fda90 100644 --- a/source3/winbindd/winbindd_dual_srv.c +++ b/source3/winbindd/winbindd_dual_srv.c @@ -668,12 +668,14 @@ NTSTATUS _wbint_PingDc(struct pipes_struct *p, struct wbint_PingDc *r) WERROR werr; fstring logon_server; struct dcerpc_binding_handle *b; + bool retry = false; domain = wb_child_domain(); if (domain == NULL) { return NT_STATUS_REQUEST_NOT_ACCEPTED; } +reconnect: status = cm_connect_netlogon(domain, &netlogon_pipe); reset_cm_connection_on_error(domain, status); if (!NT_STATUS_IS_OK(status)) { @@ -701,6 +703,14 @@ NTSTATUS _wbint_PingDc(struct pipes_struct *p, struct wbint_PingDc *r) logon_server, NETLOGON_CONTROL_QUERY, 2, &info, &werr); + if (NT_STATUS_EQUAL(status, NT_STATUS_IO_DEVICE_ERROR) && !retry) { + DEBUG(10, ("Session might have expired. " + "Reconnect and retry once.\n")); + invalidate_cm_connection(domain); + retry = true; + goto reconnect; + } + reset_cm_connection_on_error(domain, status); if (!NT_STATUS_IS_OK(status)) { DEBUG(2, ("dcerpc_netr_LogonControl failed: %s\n", |