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/*
Unix SMB/CIFS implementation.
Lookup routines for well-known SIDs
Copyright (C) Andrew Tridgell 1992-1998
Copyright (C) Luke Kenneth Caseson Leighton 1998-1999
Copyright (C) Jeremy Allison 1999
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;
};
struct sid_name_map_info
{
const struct dom_sid *sid;
const char *name;
const struct rid_name_map *known_users;
};
static const struct rid_name_map everyone_users[] = {
{ 0, "Everyone" },
{ 0, NULL}};
static const struct rid_name_map creator_owner_users[] = {
{ 0, "Creator Owner" },
{ 1, "Creator Group" },
{ 0, NULL}};
static const struct rid_name_map nt_authority_users[] = {
{ 1, "Dialup" },
{ 2, "Network"},
{ 3, "Batch"},
{ 4, "Interactive"},
{ 6, "Service"},
{ 7, "AnonymousLogon"},
{ 7, "Anonymous Logon"},
{ 8, "Proxy"},
{ 9, "ServerLogon"},
{ 10, "Self"},
{ 11, "Authenticated Users"},
{ 12, "Restricted"},
{ 13, "Terminal Server User"},
{ 14, "Remote Interactive Logon"},
{ 15, "This Organization"},
{ 18, "SYSTEM"},
{ 19, "Local Service"},
{ 20, "Network Service"},
{ 0, NULL}};
static struct sid_name_map_info special_domains[] = {
{ &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 }};
bool sid_check_is_wellknown_domain(const struct dom_sid *sid, const char **name)
{
int i;
for (i=0; special_domains[i].sid != NULL; i++) {
if (sid_equal(sid, special_domains[i].sid)) {
if (name != NULL) {
*name = special_domains[i].name;
}
return True;
}
}
return False;
}
bool sid_check_is_in_wellknown_domain(const struct dom_sid *sid)
{
struct dom_sid dom_sid;
uint32 rid;
sid_copy(&dom_sid, sid);
sid_split_rid(&dom_sid, &rid);
return sid_check_is_wellknown_domain(&dom_sid, NULL);
}
/**************************************************************************
Looks up a known username from one of the known domains.
***************************************************************************/
bool lookup_wellknown_sid(TALLOC_CTX *mem_ctx, const struct dom_sid *sid,
const char **domain, const char **name)
{
int i;
struct dom_sid dom_sid;
uint32 rid;
const struct rid_name_map *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 = talloc_strdup(mem_ctx,
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_dbg(sid)));
return False;
}
for (i=0; users[i].name != NULL; i++) {
if (rid == users[i].rid) {
*name = talloc_strdup(mem_ctx, users[i].name);
return True;
}
}
DEBUG(10, ("RID of special SID %s not found\n", sid_string_dbg(sid)));
return False;
}
/**************************************************************************
Try and map a name to one of the well known SIDs.
***************************************************************************/
bool lookup_wellknown_name(TALLOC_CTX *mem_ctx, const char *name,
struct dom_sid *sid, const char **domain)
{
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 struct rid_name_map *users =
special_domains[i].known_users;
if (users == NULL)
continue;
for (j=0; users[j].name != NULL; j++) {
if ( strequal(users[j].name, name) ) {
sid_compose(sid, special_domains[i].sid,
users[j].rid);
*domain = talloc_strdup(
mem_ctx, special_domains[i].name);
return True;
}
}
}
return False;
}
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