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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;
static struct sid_name_map_info
{
DOM_SID *sid;
const char *name;
const known_sid_users *known_users;
} sid_name_map[MAX_SID_NAMES];
extern DOM_SID global_sid_Builtin; /* Local well-known domain */
extern DOM_SID global_sid_World_Domain; /* Everyone domain */
extern DOM_SID global_sid_Creator_Owner_Domain; /* Creator Owner domain */
extern DOM_SID global_sid_NT_Authority; /* NT Authority */
static BOOL sid_name_map_initialized = False;
/* static known_sid_users no_users[] = {{0, 0, NULL}}; */
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_ALIAS, "Dialup" },
{ 2, SID_NAME_ALIAS, "Network"},
{ 3, SID_NAME_ALIAS, "Batch"},
{ 4, SID_NAME_ALIAS, "Interactive"},
{ 6, SID_NAME_ALIAS, "Service"},
{ 7, SID_NAME_ALIAS, "AnonymousLogon"},
{ 8, SID_NAME_ALIAS, "Proxy"},
{ 9, SID_NAME_ALIAS, "ServerLogon"},
{ 11, SID_NAME_ALIAS, "Authenticated Users"},
{ 18, SID_NAME_ALIAS, "SYSTEM"},
{ 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_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" },
{ 0, (enum SID_NAME_USE)0, NULL}};
/**************************************************************************
Quick init function.
*************************************************************************/
static void init_sid_name_map (void)
{
int i = 0;
if (sid_name_map_initialized) return;
generate_wellknown_sids();
if ((lp_security() == SEC_USER) && lp_domain_logons()) {
sid_name_map[i].sid = get_global_sam_sid();
/* This is not lp_workgroup() for good reason:
it must stay around longer than the lp_*()
strings do */
sid_name_map[i].name = strdup(lp_workgroup());
sid_name_map[i].known_users = NULL;
i++;
sid_name_map[i].sid = get_global_sam_sid();
sid_name_map[i].name = strdup(global_myname());
sid_name_map[i].known_users = NULL;
i++;
} else {
sid_name_map[i].sid = get_global_sam_sid();
sid_name_map[i].name = strdup(global_myname());
sid_name_map[i].known_users = NULL;
i++;
}
sid_name_map[i].sid = &global_sid_Builtin;
sid_name_map[i].name = "BUILTIN";
sid_name_map[i].known_users = &builtin_groups[0];
i++;
sid_name_map[i].sid = &global_sid_World_Domain;
sid_name_map[i].name = "";
sid_name_map[i].known_users = &everyone_users[0];
i++;
sid_name_map[i].sid = &global_sid_Creator_Owner_Domain;
sid_name_map[i].name = "";
sid_name_map[i].known_users = &creator_owner_users[0];
i++;
sid_name_map[i].sid = &global_sid_NT_Authority;
sid_name_map[i].name = "NT Authority";
sid_name_map[i].known_users = &nt_authority_users[0];
i++;
/* End of array. */
sid_name_map[i].sid = NULL;
sid_name_map[i].name = NULL;
sid_name_map[i].known_users = NULL;
sid_name_map_initialized = True;
return;
}
/**************************************************************************
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);
if (!sid_name_map_initialized)
init_sid_name_map();
DEBUG(5,("map_domain_sid_to_name: %s\n", sid_str));
if (nt_domain == NULL)
return False;
while (sid_name_map[i].sid != NULL) {
sid_to_string(sid_str, sid_name_map[i].sid);
DEBUG(5,("map_domain_sid_to_name: compare: %s\n", sid_str));
if (sid_equal(sid_name_map[i].sid, sid)) {
fstrcpy(nt_domain, sid_name_map[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_str));
return False;
}
/**************************************************************************
Looks up a known username from one of the known domains.
***************************************************************************/
BOOL lookup_known_rid(DOM_SID *sid, uint32 rid, char *name, enum SID_NAME_USE *psid_name_use)
{
int i = 0;
struct sid_name_map_info *psnm;
if (!sid_name_map_initialized)
init_sid_name_map();
for(i = 0; sid_name_map[i].sid != NULL; i++) {
psnm = &sid_name_map[i];
if(sid_equal(psnm->sid, sid)) {
int j;
for(j = 0; psnm->known_users && psnm->known_users[j].known_user_name != NULL; j++) {
if(rid == psnm->known_users[j].rid) {
DEBUG(5,("lookup_builtin_rid: rid = %u, domain = '%s', user = '%s'\n",
(unsigned int)rid, psnm->name, psnm->known_users[j].known_user_name ));
fstrcpy( name, psnm->known_users[j].known_user_name);
*psid_name_use = psnm->known_users[j].sid_name_use;
return True;
}
}
}
}
return False;
}
/**************************************************************************
Turns a domain name into a SID.
*** side-effect: if the domain name is NULL, it is set to our domain ***
***************************************************************************/
BOOL map_domain_name_to_sid(DOM_SID *sid, char *nt_domain)
{
int i = 0;
if (nt_domain == NULL) {
DEBUG(5,("map_domain_name_to_sid: mapping NULL domain to our SID.\n"));
sid_copy(sid, get_global_sam_sid());
return True;
}
if (nt_domain[0] == 0) {
fstrcpy(nt_domain, global_myname());
DEBUG(5,("map_domain_name_to_sid: overriding blank name to %s\n", nt_domain));
sid_copy(sid, get_global_sam_sid());
return True;
}
DEBUG(5,("map_domain_name_to_sid: %s\n", nt_domain));
if (!sid_name_map_initialized)
init_sid_name_map();
while (sid_name_map[i].name != NULL) {
DEBUG(5,("map_domain_name_to_sid: compare: %s\n", sid_name_map[i].name));
if (strequal(sid_name_map[i].name, nt_domain)) {
fstring sid_str;
sid_copy(sid, sid_name_map[i].sid);
sid_to_string(sid_str, sid_name_map[i].sid);
DEBUG(5,("map_domain_name_to_sid: found %s\n", sid_str));
return True;
}
i++;
}
DEBUG(0,("map_domain_name_to_sid: mapping to %s not found.\n", nt_domain));
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;
if (!sid_name_map_initialized)
init_sid_name_map();
for (i=0; sid_name_map[i].sid != NULL; i++) {
const known_sid_users *users = sid_name_map[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) == 0) {
sid_copy(sid, sid_name_map[i].sid);
sid_append_rid(sid, users[j].rid);
*use = users[j].sid_name_use;
return True;
}
}
}
return False;
}
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