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r18015: Try and detect network failures immediately in

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set_dc_type_and_flags().
Fix problem when DC is down in ads_connect, where
we fall back to NetBIOS and try exactly the same
IP addresses we just put in the negative connection
cache.... We can never succeed, so don't try lookups
a second time.
Jeremy.
This commit is contained in:
Jeremy Allison
2006-09-03 03:46:07 +00:00
committed by Gerald (Jerry) Carter
parent 9c93abf25e
commit 2d28f3e94a
2 changed files with 32 additions and 5 deletions
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20
source/libads/ldap.c
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@@ -286,6 +286,26 @@ again:
if ( !NT_STATUS_IS_OK(check_negative_conn_cache(realm, server)) )
continue;
if (!got_realm) {
/* realm in this case is a workgroup name. We need
to ignore any IP addresses in the negative connection
cache that match ip addresses returned in the ad realm
case. It sucks that I have to reproduce the logic above... */
c_realm = ads->server.realm;
if ( !c_realm || !*c_realm ) {
if ( !ads->server.workgroup || !*ads->server.workgroup ) {
c_realm = lp_realm();
}
}
if (c_realm && *c_realm &&
!NT_STATUS_IS_OK(check_negative_conn_cache(c_realm, server))) {
/* Ensure we add the workgroup name for this
IP address as negative too. */
add_failed_connection_entry( realm, server, NT_STATUS_UNSUCCESSFUL );
continue;
}
}
if ( ads_try_connect(ads, server) ) {
SAFE_FREE(ip_list);