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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 0213 9 , USA .
*/
# include "includes.h"
/*****************************************************************
Compare the auth portion of two sids .
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static int sid_compare_auth ( const struct dom_sid * sid1 , const struct dom_sid * sid2 )
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{
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 .
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static int sid_compare ( const struct dom_sid * sid1 , const struct dom_sid * sid2 )
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{
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 .
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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BOOL sid_equal ( const struct dom_sid * sid1 , const struct dom_sid * sid2 )
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{
return sid_compare ( sid1 , sid2 ) = = 0 ;
}
