source3/lib/util_builtin.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Translate BUILTIN names to SIDs and vice versa
   4    Copyright (C) Volker Lendecke 2005
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "includes.h"
  21 #include "../libcli/security/security.h"
  22
  23 struct rid_name_map {
  24         uint32 rid;
  25         const char *name;
  26 };
  27
  28 static const struct rid_name_map builtin_aliases[] = {
  29         { BUILTIN_RID_ADMINISTRATORS,           "Administrators" },
  30         { BUILTIN_RID_USERS,            "Users" },
  31         { BUILTIN_RID_GUESTS,           "Guests" },
  32         { BUILTIN_RID_POWER_USERS,      "Power Users" },
  33         { BUILTIN_RID_ACCOUNT_OPERATORS,        "Account Operators" },
  34         { BUILTIN_RID_SERVER_OPERATORS,         "Server Operators" },
  35         { BUILTIN_RID_PRINT_OPERATORS,          "Print Operators" },
  36         { BUILTIN_RID_BACKUP_OPERATORS,         "Backup Operators" },
  37         { BUILTIN_RID_REPLICATOR,               "Replicator" },
  38         { BUILTIN_RID_RAS_SERVERS,              "RAS Servers" },
  39         { BUILTIN_RID_PRE_2K_ACCESS,
  40                 "Pre-Windows 2000 Compatible Access" },
  41         { BUILTIN_RID_REMOTE_DESKTOP_USERS,
  42                 "Remote Desktop Users" },
  43         { BUILTIN_RID_NETWORK_CONF_OPERATORS,
  44                 "Network Configuration Operators" },
  45         { BUILTIN_RID_INCOMING_FOREST_TRUST,
  46                 "Incoming Forest Trust Builders" },
  47         { BUILTIN_RID_PERFMON_USERS,
  48                 "Performance Monitor Users" },
  49         { BUILTIN_RID_PERFLOG_USERS,
  50                 "Performance Log Users" },
  51         { BUILTIN_RID_AUTH_ACCESS,
  52                 "Windows Authorization Access Group" },
  53         { BUILTIN_RID_TS_LICENSE_SERVERS,
  54                 "Terminal Server License Servers" },
  55         { BUILTIN_RID_DISTRIBUTED_COM_USERS,
  56                 "Distributed COM Users" },
  57         { BUILTIN_RID_CRYPTO_OPERATORS,
  58                 "Cryptographic Operators" },
  59         { BUILTIN_RID_EVENT_LOG_READERS,
  60                 "Event Log Readers" },
  61         { BUILTIN_RID_CERT_SERV_DCOM_ACCESS,
  62                 "Certificate Service DCOM Access" },
  63         {  0, NULL}};
  64
  65 /*******************************************************************
  66  Look up a rid in the BUILTIN domain
  67  ********************************************************************/
  68 bool lookup_builtin_rid(TALLOC_CTX *mem_ctx, uint32 rid, const char **name)
  69 {
  70         const struct rid_name_map *aliases = builtin_aliases;
  71
  72         while (aliases->name != NULL) {
  73                 if (rid == aliases->rid) {
  74                         *name = talloc_strdup(mem_ctx, aliases->name);
  75                         return True;
  76                 }
  77                 aliases++;
  78         }
  79
  80         return False;
  81 }
  82
  83 /*******************************************************************
  84  Look up a name in the BUILTIN domain
  85  ********************************************************************/
  86 bool lookup_builtin_name(const char *name, uint32 *rid)
  87 {
  88         const struct rid_name_map *aliases = builtin_aliases;
  89
  90         while (aliases->name != NULL) {
  91                 if (strequal(name, aliases->name)) {
  92                         *rid = aliases->rid;
  93                         return True;
  94                 }
  95                 aliases++;
  96         }
  97
  98         return False;
  99 }
 100
 101 /*****************************************************************
 102  Return the name of the BUILTIN domain
 103 *****************************************************************/
 104
 105 const char *builtin_domain_name(void)
 106 {
 107         return "BUILTIN";
 108 }
 109
 110 /*****************************************************************
 111  Check if the SID is the builtin SID (S-1-5-32).
 112 *****************************************************************/
 113
 114 bool sid_check_is_builtin(const struct dom_sid *sid)
 115 {
 116         return dom_sid_equal(sid, &global_sid_Builtin);
 117 }
 118
 119 /*****************************************************************
 120  Check if the SID is one of the builtin SIDs (S-1-5-32-a).
 121 *****************************************************************/
 122
 123 bool sid_check_is_in_builtin(const struct dom_sid *sid)
 124 {
 125         struct dom_sid dom_sid;
 126
 127         sid_copy(&dom_sid, sid);
 128         sid_split_rid(&dom_sid, NULL);
 129
 130         return sid_check_is_builtin(&dom_sid);
 131 }
 132
 133 /********************************************************************
 134  Check if the SID is one of the well-known builtin SIDs (S-1-5-32-x)
 135 *********************************************************************/
 136
 137 bool sid_check_is_wellknown_builtin(const struct dom_sid *sid)
 138 {
 139         struct dom_sid dom_sid;
 140         const struct rid_name_map *aliases = builtin_aliases;
 141         uint32_t rid;
 142
 143         sid_copy(&dom_sid, sid);
 144         sid_split_rid(&dom_sid, &rid);
 145
 146         if (!sid_check_is_builtin(&dom_sid)) {
 147                 return false;
 148         }
 149
 150         while (aliases->name != NULL) {
 151                 if (aliases->rid == rid) {
 152                         return True;
 153                 }
 154                 aliases++;
 155         }
 156
 157         return False;
 158 }