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s3:winbindd:cache: fix offline logons with cached credentials (bug #9321)

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The removal of consumption of the time field from the centry
as "removal of unused variable" in 21528da9cd12a4f5c3792a482a5d18fe946a6f7a
had the side effect of changing the offset for reading the following
nt password hash, so the read password hash was wrong.

This patch re-installs the consumption of the time,
thereby fixing the bug without changing the disk format of the cache.

Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This commit is contained in:
Michael Adam 2012-11-01 14:41:56 +01:00
parent 75c51d6561
commit f853c17929
1 changed files with 7 additions and 0 deletions
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source3/winbindd/winbindd_cache.c
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@ -1329,6 +1329,13 @@ NTSTATUS wcache_get_creds(struct winbindd_domain *domain,
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
/*
* We don't use the time element at this moment,
* but we have to consume it, so that we don't
* neet to change the disk format of the cache.
*/
(void)centry_time(centry);
/* In the salted case this isn't actually the nt_hash itself,
but the MD5 of the salt + nt_hash. Let the caller
sort this out. It can tell as we only return the cached_salt