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/*
Unix SMB/CIFS implementation.
Samba utility functions
Copyright (C) Andrew Tridgell 1992-1998
Copyright (C) Luke Kenneth Caseson Leighton 1998-1999
Copyright (C) Jeremy Allison 1999
Copyright (C) Stefan (metze) Metzmacher 2002
Copyright (C) Simo Sorce 2002
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
/*****************************************************************
Compare the auth portion of two sids.
*****************************************************************/
static int sid_compare_auth(const struct dom_sid *sid1, const struct dom_sid *sid2)
{
int i;
if (sid1 == sid2)
return 0;
if (!sid1)
return -1;
if (!sid2)
return 1;
if (sid1->sid_rev_num != sid2->sid_rev_num)
return sid1->sid_rev_num - sid2->sid_rev_num;
for (i = 0; i < 6; i++)
if (sid1->id_auth[i] != sid2->id_auth[i])
return sid1->id_auth[i] - sid2->id_auth[i];
return 0;
}
/*****************************************************************
Compare two sids.
*****************************************************************/
static int sid_compare(const struct dom_sid *sid1, const struct dom_sid *sid2)
{
int i;
if (sid1 == sid2)
return 0;
if (!sid1)
return -1;
if (!sid2)
return 1;
/* Compare most likely different rids, first: i.e start at end */
if (sid1->num_auths != sid2->num_auths)
return sid1->num_auths - sid2->num_auths;
for (i = sid1->num_auths-1; i >= 0; --i)
if (sid1->sub_auths[i] != sid2->sub_auths[i])
return sid1->sub_auths[i] - sid2->sub_auths[i];
return sid_compare_auth(sid1, sid2);
}
/*****************************************************************
Compare two sids.
*****************************************************************/
BOOL sid_equal(const struct dom_sid *sid1, const struct dom_sid *sid2)
{
return sid_compare(sid1, sid2) == 0;
}
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