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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
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 02139, USA.
*/
#include "includes.h"
#define MAX_SID_NAMES 7
typedef struct _known_sid_users {
uint32 rid;
enum SID_NAME_USE sid_name_use;
const char *known_user_name;
} known_sid_users;
struct sid_name_map_info
{
const DOM_SID *sid;
const char *name;
const known_sid_users *known_users;
};
static const known_sid_users everyone_users[] = {
{ 0, SID_NAME_WKN_GRP, "Everyone" },
{0, (enum SID_NAME_USE)0, NULL}};
static const known_sid_users creator_owner_users[] = {
{ 0, SID_NAME_WKN_GRP, "Creator Owner" },
{ 1, SID_NAME_WKN_GRP, "Creator Group" },
{0, (enum SID_NAME_USE)0, NULL}};
static const known_sid_users nt_authority_users[] = {
{ 1, SID_NAME_WKN_GRP, "Dialup" },
{ 2, SID_NAME_WKN_GRP, "Network"},
{ 3, SID_NAME_WKN_GRP, "Batch"},
{ 4, SID_NAME_WKN_GRP, "Interactive"},
{ 6, SID_NAME_WKN_GRP, "Service"},
{ 7, SID_NAME_WKN_GRP, "AnonymousLogon"},
{ 8, SID_NAME_WKN_GRP, "Proxy"},
{ 9, SID_NAME_WKN_GRP, "ServerLogon"},
{ 10, SID_NAME_WKN_GRP, "Self"},
{ 11, SID_NAME_WKN_GRP, "Authenticated Users"},
{ 12, SID_NAME_WKN_GRP, "Restricted"},
{ 13, SID_NAME_WKN_GRP, "Terminal Server User"},
{ 14, SID_NAME_WKN_GRP, "Remote Interactive Logon"},
{ 15, SID_NAME_WKN_GRP, "This Organization"},
{ 18, SID_NAME_WKN_GRP, "SYSTEM"},
{ 19, SID_NAME_WKN_GRP, "Local Service"},
{ 20, SID_NAME_WKN_GRP, "Network Service"},
{ 0, (enum SID_NAME_USE)0, NULL}};
static const known_sid_users builtin_groups[] = {
{ BUILTIN_ALIAS_RID_ADMINS, SID_NAME_ALIAS, "Administrators" },
{ BUILTIN_ALIAS_RID_USERS, SID_NAME_ALIAS, "Users" },
{ BUILTIN_ALIAS_RID_GUESTS, SID_NAME_ALIAS, "Guests" },
{ BUILTIN_ALIAS_RID_POWER_USERS, SID_NAME_ALIAS, "Power Users" },
{ BUILTIN_ALIAS_RID_ACCOUNT_OPS, SID_NAME_ALIAS, "Account Operators" },
{ BUILTIN_ALIAS_RID_SYSTEM_OPS, SID_NAME_ALIAS, "Server Operators" },
{ BUILTIN_ALIAS_RID_PRINT_OPS, SID_NAME_ALIAS, "Print Operators" },
{ BUILTIN_ALIAS_RID_BACKUP_OPS, SID_NAME_ALIAS, "Backup Operators" },
{ BUILTIN_ALIAS_RID_REPLICATOR, SID_NAME_ALIAS, "Replicator" },
{ BUILTIN_ALIAS_RID_RAS_SERVERS, SID_NAME_ALIAS, "RAS Servers" },
{ BUILTIN_ALIAS_RID_PRE_2K_ACCESS, SID_NAME_ALIAS, "Pre-Windows 2000 Compatible Access" },
{ 0, (enum SID_NAME_USE)0, NULL}};
static struct sid_name_map_info special_domains[] = {
{ &global_sid_Builtin, "BUILTIN", builtin_groups },
{ &global_sid_World_Domain, "", everyone_users },
{ &global_sid_Creator_Owner_Domain, "", creator_owner_users },
{ &global_sid_NT_Authority, "NT Authority", nt_authority_users },
{ NULL, NULL, NULL }};
/**************************************************************************
Turns a domain SID into a name, returned in the nt_domain argument.
***************************************************************************/
BOOL map_domain_sid_to_name(DOM_SID *sid, fstring nt_domain)
{
fstring sid_str;
int i = 0;
sid_to_string(sid_str, sid);
DEBUG(5,("map_domain_sid_to_name: %s\n", sid_str));
if (sid_check_is_domain(sid)) {
fstrcpy(nt_domain, get_global_sam_name());
return True;
}
while (special_domains[i].sid != NULL) {
DEBUG(5,("map_domain_sid_to_name: compare: %s\n",
sid_string_static(special_domains[i].sid)));
if (sid_equal(special_domains[i].sid, sid)) {
fstrcpy(nt_domain, special_domains[i].name);
DEBUG(5,("map_domain_sid_to_name: found '%s'\n",
nt_domain));
return True;
}
i++;
}
DEBUG(5,("map_domain_sid_to_name: mapping for %s not found\n",
sid_string_static(sid)));
return False;
}
/**************************************************************************
Looks up a known username from one of the known domains.
***************************************************************************/
BOOL lookup_special_sid(const DOM_SID *sid, const char **domain,
const char **name, enum SID_NAME_USE *type)
{
int i;
DOM_SID dom_sid;
uint32 rid;
const known_sid_users *users = NULL;
sid_copy(&dom_sid, sid);
if (!sid_split_rid(&dom_sid, &rid)) {
DEBUG(2, ("Could not split rid from SID\n"));
return False;
}
for (i=0; special_domains[i].sid != NULL; i++) {
if (sid_equal(&dom_sid, special_domains[i].sid)) {
*domain = special_domains[i].name;
users = special_domains[i].known_users;
break;
}
}
if (users == NULL) {
DEBUG(10, ("SID %s is no special sid\n",
sid_string_static(sid)));
return False;
}
for (i=0; users[i].known_user_name != NULL; i++) {
if (rid == users[i].rid) {
*name = users[i].known_user_name;
*type = users[i].sid_name_use;
return True;
}
}
DEBUG(10, ("RID of special SID %s not found\n",
sid_string_static(sid)));
return False;
}
/*****************************************************************
Check if the SID is our domain SID (S-1-5-21-x-y-z).
*****************************************************************/
BOOL sid_check_is_domain(const DOM_SID *sid)
{
return sid_equal(sid, get_global_sam_sid());
}
/*****************************************************************
Check if the SID is our domain SID (S-1-5-21-x-y-z).
*****************************************************************/
BOOL sid_check_is_in_our_domain(const DOM_SID *sid)
{
DOM_SID dom_sid;
uint32 rid;
sid_copy(&dom_sid, sid);
sid_split_rid(&dom_sid, &rid);
return sid_equal(&dom_sid, get_global_sam_sid());
}
/**************************************************************************
Try and map a name to one of the well known SIDs.
***************************************************************************/
BOOL map_name_to_wellknown_sid(DOM_SID *sid, enum SID_NAME_USE *use, const char *name)
{
int i, j;
DEBUG(10,("map_name_to_wellknown_sid: looking up %s\n", name));
for (i=0; special_domains[i].sid != NULL; i++) {
const known_sid_users *users = special_domains[i].known_users;
if (users == NULL)
continue;
for (j=0; users[j].known_user_name != NULL; j++) {
if ( strequal(users[j].known_user_name, name) ) {
sid_copy(sid, special_domains[i].sid);
sid_append_rid(sid, users[j].rid);
*use = users[j].sid_name_use;
return True;
}
}
}
return False;
}
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