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/*
Unix SMB / CIFS implementation .
Translate unix - defined names to SIDs and vice versa
Copyright ( C ) Volker Lendecke 2005
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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
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the Free Software Foundation ; either version 3 of the License , or
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( at your option ) any later version .
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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 .
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You should have received a copy of the GNU General Public License
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along with this program . If not , see < http : //www.gnu.org/licenses/>.
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*/
# include "includes.h"
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bool sid_check_is_unix_users ( const struct dom_sid * sid )
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{
return sid_equal ( sid , & global_sid_Unix_Users ) ;
}
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bool sid_check_is_in_unix_users ( const struct dom_sid * sid )
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{
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struct dom_sid dom_sid ;
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uint32 rid ;
sid_copy ( & dom_sid , sid ) ;
sid_split_rid ( & dom_sid , & rid ) ;
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return sid_check_is_unix_users ( & dom_sid ) ;
}
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void uid_to_unix_users_sid ( uid_t uid , struct dom_sid * sid )
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{
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/*
* This can never fail , we know that global_sid_Unix_Users is
* short enough for a domain sid .
*/
sid_compose ( sid , & global_sid_Unix_Users , uid ) ;
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}
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void gid_to_unix_groups_sid ( gid_t gid , struct dom_sid * sid )
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{
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/*
* This can never fail , we know that global_sid_Unix_Groups is
* short enough for a domain sid .
*/
sid_compose ( sid , & global_sid_Unix_Groups , gid ) ;
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}
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const char * unix_users_domain_name ( void )
{
return " Unix User " ;
}
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bool lookup_unix_user_name ( const char * name , struct dom_sid * sid )
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{
struct passwd * pwd ;
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bool ret ;
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pwd = getpwnam_alloc ( talloc_autofree_context ( ) , name ) ;
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if ( pwd = = NULL ) {
return False ;
}
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/*
* For 64 - bit uid ' s we have enough space in the whole SID ,
* should they become necessary
*/
ret = sid_compose ( sid , & global_sid_Unix_Users , pwd - > pw_uid ) ;
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TALLOC_FREE ( pwd ) ;
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return ret ;
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}
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bool sid_check_is_unix_groups ( const struct dom_sid * sid )
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{
return sid_equal ( sid , & global_sid_Unix_Groups ) ;
}
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bool sid_check_is_in_unix_groups ( const struct dom_sid * sid )
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{
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struct dom_sid dom_sid ;
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uint32 rid ;
sid_copy ( & dom_sid , sid ) ;
sid_split_rid ( & dom_sid , & rid ) ;
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return sid_check_is_unix_groups ( & dom_sid ) ;
}
const char * unix_groups_domain_name ( void )
{
return " Unix Group " ;
}
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bool lookup_unix_group_name ( const char * name , struct dom_sid * sid )
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{
struct group * grp ;
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grp = sys_getgrnam ( name ) ;
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if ( grp = = NULL ) {
return False ;
}
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/*
* For 64 - bit gid ' s we have enough space in the whole SID ,
* should they become necessary
*/
return sid_compose ( sid , & global_sid_Unix_Groups , grp - > gr_gid ) ;
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}