/*

   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"

#include "../libcli/security/security.h"

struct rid_name_map {

  uint32_t rid;

  const char *name;

};

static const struct rid_name_map builtin_aliases[] = {

  { BUILTIN_RID_ADMINISTRATORS,   "Administrators" },

  { BUILTIN_RID_USERS,    "Users" },

  { BUILTIN_RID_GUESTS,   "Guests" },

  { BUILTIN_RID_POWER_USERS,  "Power Users" },

  { BUILTIN_RID_ACCOUNT_OPERATORS,  "Account Operators" },

  { BUILTIN_RID_SERVER_OPERATORS,   "Server Operators" },

  { BUILTIN_RID_PRINT_OPERATORS,    "Print Operators" },

  { BUILTIN_RID_BACKUP_OPERATORS,   "Backup Operators" },

  { BUILTIN_RID_REPLICATOR,   "Replicator" },

  { BUILTIN_RID_RAS_SERVERS,    "RAS Servers" },

  { BUILTIN_RID_PRE_2K_ACCESS,

    "Pre-Windows 2000 Compatible Access" },

  { BUILTIN_RID_REMOTE_DESKTOP_USERS,

    "Remote Desktop Users" },

  { BUILTIN_RID_NETWORK_CONF_OPERATORS,

    "Network Configuration Operators" },

  { BUILTIN_RID_INCOMING_FOREST_TRUST,

    "Incoming Forest Trust Builders" },

  { BUILTIN_RID_PERFMON_USERS,

    "Performance Monitor Users" },

  { BUILTIN_RID_PERFLOG_USERS,

    "Performance Log Users" },

  { BUILTIN_RID_AUTH_ACCESS,

    "Windows Authorization Access Group" },

  { BUILTIN_RID_TS_LICENSE_SERVERS,

    "Terminal Server License Servers" },

  { BUILTIN_RID_DISTRIBUTED_COM_USERS,

    "Distributed COM Users" },

  { BUILTIN_RID_CRYPTO_OPERATORS,

    "Cryptographic Operators" },

  { BUILTIN_RID_EVENT_LOG_READERS,

    "Event Log Readers" },

  { BUILTIN_RID_CERT_SERV_DCOM_ACCESS,

    "Certificate Service DCOM Access" },

  {  0, NULL}};

/*******************************************************************

 Look up a rid in the BUILTIN domain

 ********************************************************************/

bool lookup_builtin_rid(TALLOC_CTX *mem_ctx, uint32_t 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_t *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 struct dom_sid *sid)

{

  return dom_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 struct dom_sid *sid)

{

  struct dom_sid dom_sid;

  sid_copy(&dom_sid, sid);

  sid_split_rid(&dom_sid, NULL);

  return sid_check_is_builtin(&dom_sid);

}

/********************************************************************

 Check if the SID is one of the well-known builtin SIDs (S-1-5-32-x)

*********************************************************************/

bool sid_check_is_wellknown_builtin(const struct dom_sid *sid)

{

  struct dom_sid dom_sid;

  const struct rid_name_map *aliases = builtin_aliases;

  uint32_t rid;

  sid_copy(&dom_sid, sid);

  sid_split_rid(&dom_sid, &rid);

  if (!sid_check_is_builtin(&dom_sid)) {

    return false;

  }

  while (aliases->name != NULL) {

    if (aliases->rid == rid) {

      return True;

    }

    aliases++;

  }

  return False;

}