source: vendor/3.5.8/source3/passdb/util_builtin.c

/* 
   Unix SMB/CIFS implementation.
   Translate BUILTIN names to SIDs and vice versa
   Copyright (C) Volker Lendecke 2005
      
   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 3 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, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"

struct rid_name_map {
        uint32 rid;
        const char *name;
};

static const struct rid_name_map builtin_aliases[] = {
        { BUILTIN_ALIAS_RID_ADMINS,             "Administrators" },
        { BUILTIN_ALIAS_RID_USERS,              "Users" },
        { BUILTIN_ALIAS_RID_GUESTS,             "Guests" },
        { BUILTIN_ALIAS_RID_POWER_USERS,        "Power Users" },
        { BUILTIN_ALIAS_RID_ACCOUNT_OPS,        "Account Operators" },
        { BUILTIN_ALIAS_RID_SYSTEM_OPS,         "Server Operators" },
        { BUILTIN_ALIAS_RID_PRINT_OPS,          "Print Operators" },
        { BUILTIN_ALIAS_RID_BACKUP_OPS,         "Backup Operators" },
        { BUILTIN_ALIAS_RID_REPLICATOR,         "Replicator" },
        { BUILTIN_ALIAS_RID_RAS_SERVERS,        "RAS Servers" },
        { BUILTIN_ALIAS_RID_PRE_2K_ACCESS,      "Pre-Windows 2000 Compatible Access" },
        {  0, NULL}};

/*******************************************************************
 Look up a rid in the BUILTIN domain
 ********************************************************************/
bool lookup_builtin_rid(TALLOC_CTX *mem_ctx, uint32 rid, const char **name)
{
        const struct rid_name_map *aliases = builtin_aliases;

        while (aliases->name != NULL) {
                if (rid == aliases->rid) {
                        *name = talloc_strdup(mem_ctx, aliases->name);
                        return True;
                }
                aliases++;
        }

        return False;
}

/*******************************************************************
 Look up a name in the BUILTIN domain
 ********************************************************************/
bool lookup_builtin_name(const char *name, uint32 *rid)
{
        const struct rid_name_map *aliases = builtin_aliases;

        while (aliases->name != NULL) {
                if (strequal(name, aliases->name)) {
                        *rid = aliases->rid;
                        return True;
                }
                aliases++;
        }

        return False;
}

/*****************************************************************
 Return the name of the BUILTIN domain
*****************************************************************/  

const char *builtin_domain_name(void)
{
        return "BUILTIN";
}

/*****************************************************************
 Check if the SID is the builtin SID (S-1-5-32).
*****************************************************************/  

bool sid_check_is_builtin(const DOM_SID *sid)
{
        return sid_equal(sid, &global_sid_Builtin);
}

/*****************************************************************
 Check if the SID is one of the builtin SIDs (S-1-5-32-a).
*****************************************************************/  

bool sid_check_is_in_builtin(const DOM_SID *sid)
{
        DOM_SID dom_sid;
        uint32 rid;

        sid_copy(&dom_sid, sid);
        sid_split_rid(&dom_sid, &rid);
        
        return sid_check_is_builtin(&dom_sid);
}