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/*
Unix SMB/Netbios implementation.
Version 2.0
winbind client code
Copyright (C) Tim Potter 2000
Copyright (C) Andrew Tridgell 2000
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "includes.h"
/* Call winbindd to convert a name to a sid */
BOOL winbind_lookup_name(char *name, DOM_SID *sid, enum SID_NAME_USE *name_type)
{
struct winbindd_request request;
struct winbindd_response response;
enum nss_status result;
if (!sid || !name_type)
return False;
/* Send off request */
ZERO_STRUCT(request);
ZERO_STRUCT(response);
fstrcpy(request.data.name, name);
if ((result = winbindd_request(WINBINDD_LOOKUPNAME, &request,
&response)) == NSS_STATUS_SUCCESS) {
string_to_sid(sid, response.data.sid.sid);
*name_type = (enum SID_NAME_USE)response.data.sid.type;
}
return result == NSS_STATUS_SUCCESS;
}
/* Call winbindd to convert sid to name */
BOOL winbind_lookup_sid(DOM_SID *sid, fstring dom_name, fstring name, enum SID_NAME_USE *name_type)
{
struct winbindd_request request;
struct winbindd_response response;
enum nss_status result;
DOM_SID tmp_sid;
uint32 rid;
fstring sid_str;
if (!name_type)
return False;
/* Check if this is our own sid. This should perhaps be done by
winbind? For the moment handle it here. */
if (sid->num_auths == 5) {
sid_copy(&tmp_sid, sid);
sid_split_rid(&tmp_sid, &rid);
if (sid_equal(&global_sam_sid, &tmp_sid)) {
return map_domain_sid_to_name(&tmp_sid, dom_name) &&
local_lookup_rid(rid, name, name_type);
}
}
/* Initialise request */
ZERO_STRUCT(request);
ZERO_STRUCT(response);
sid_to_string(sid_str, sid);
fstrcpy(request.data.sid, sid_str);
/* Make request */
result = winbindd_request(WINBINDD_LOOKUPSID, &request, &response);
/* Copy out result */
if (result == NSS_STATUS_SUCCESS) {
parse_domain_user(response.data.name.name, dom_name, name);
*name_type = (enum SID_NAME_USE)response.data.name.type;
}
return (result == NSS_STATUS_SUCCESS);
}
/* Call winbindd to convert SID to uid */
static BOOL winbind_sid_to_uid(uid_t *puid, DOM_SID *sid)
{
struct winbindd_request request;
struct winbindd_response response;
int result;
fstring sid_str;
if (!puid)
return False;
/* Initialise request */
ZERO_STRUCT(request);
ZERO_STRUCT(response);
sid_to_string(sid_str, sid);
fstrcpy(request.data.sid, sid_str);
/* Make request */
result = winbindd_request(WINBINDD_SID_TO_UID, &request, &response);
/* Copy out result */
if (result == NSS_STATUS_SUCCESS) {
*puid = response.data.uid;
}
return (result == NSS_STATUS_SUCCESS);
}
/* Call winbindd to convert uid to sid */
static BOOL winbind_uid_to_sid(DOM_SID *sid, uid_t uid)
{
struct winbindd_request request;
struct winbindd_response response;
int result;
if (!sid)
return False;
/* Initialise request */
ZERO_STRUCT(request);
ZERO_STRUCT(response);
request.data.uid = uid;
/* Make request */
result = winbindd_request(WINBINDD_UID_TO_SID, &request, &response);
/* Copy out result */
if (result == NSS_STATUS_SUCCESS) {
string_to_sid(sid, response.data.sid.sid);
} else {
sid_copy(sid, &global_sid_NULL);
}
return (result == NSS_STATUS_SUCCESS);
}
/* Call winbindd to convert SID to gid */
static BOOL winbind_sid_to_gid(gid_t *pgid, DOM_SID *sid)
{
struct winbindd_request request;
struct winbindd_response response;
int result;
fstring sid_str;
if (!pgid)
return False;
/* Initialise request */
ZERO_STRUCT(request);
ZERO_STRUCT(response);
sid_to_string(sid_str, sid);
fstrcpy(request.data.sid, sid_str);
/* Make request */
result = winbindd_request(WINBINDD_SID_TO_UID, &request, &response);
/* Copy out result */
if (result == NSS_STATUS_SUCCESS) {
*pgid = response.data.gid;
}
return (result == NSS_STATUS_SUCCESS);
}
/* Call winbindd to convert gid to sid */
static BOOL winbind_gid_to_sid(DOM_SID *sid, gid_t gid)
{
struct winbindd_request request;
struct winbindd_response response;
int result;
if (!sid)
return False;
/* Initialise request */
ZERO_STRUCT(request);
ZERO_STRUCT(response);
request.data.gid = gid;
/* Make request */
result = winbindd_request(WINBINDD_GID_TO_SID, &request, &response);
/* Copy out result */
if (result == NSS_STATUS_SUCCESS) {
string_to_sid(sid, response.data.sid.sid);
} else {
sid_copy(sid, &global_sid_NULL);
}
return (result == NSS_STATUS_SUCCESS);
}
/*****************************************************************
*THE CANNONICAL* convert name to SID function.
Tries winbind first - then uses local lookup.
*****************************************************************/
BOOL lookup_name(char *name, DOM_SID *psid, enum SID_NAME_USE *name_type)
{
extern pstring global_myname;
if (!winbind_lookup_name(name, psid, name_type)) {
DEBUG(10,("lookup_name: winbind lookup for %s failed - trying local\n", name ));
return local_lookup_name(global_myname, name, psid, name_type);
}
return True;
}
/*****************************************************************
*THE CANNONICAL* convert SID to name function.
Tries winbind first - then uses local lookup.
*****************************************************************/
BOOL lookup_sid(DOM_SID *sid, fstring dom_name, fstring name, enum SID_NAME_USE *name_type)
{
if (!winbind_lookup_sid(sid, dom_name, name, name_type)) {
fstring sid_str;
DOM_SID tmp_sid;
uint32 rid;
DEBUG(10,("lookup_sid: winbind lookup for SID %s failed - trying local.\n", sid_to_string(sid_str, sid) ));
sid_copy(&tmp_sid, sid);
sid_split_rid(&tmp_sid, &rid);
return map_domain_sid_to_name(&tmp_sid, dom_name) &&
lookup_known_rid(&tmp_sid, rid, name, name_type);
}
return True;
}
/*****************************************************************
*THE CANNONICAL* convert uid_t to SID function.
Tries winbind first - then uses local lookup.
Returns SID pointer.
*****************************************************************/
DOM_SID *uid_to_sid(DOM_SID *psid, uid_t uid)
{
if (!winbind_uid_to_sid(psid, uid)) {
DEBUG(10,("uid_to_sid: winbind lookup for uid %u failed - trying local.\n", (unsigned int)uid ));
return local_uid_to_sid(psid, uid);
}
return psid;
}
/*****************************************************************
*THE CANNONICAL* convert gid_t to SID function.
Tries winbind first - then uses local lookup.
Returns SID pointer.
*****************************************************************/
DOM_SID *gid_to_sid(DOM_SID *psid, gid_t gid)
{
if (!winbind_gid_to_sid(psid, gid)) {
DEBUG(10,("gid_to_sid: winbind lookup for gid %u failed - trying local.\n", (unsigned int)gid ));
return local_gid_to_sid(psid, gid);
}
return psid;
}
/*****************************************************************
*THE CANNONICAL* convert SID to uid function.
Tries winbind first - then uses local lookup.
Returns True if this name is a user sid and the conversion
was done correctly, False if not.
*****************************************************************/
BOOL sid_to_uid(DOM_SID *psid, uid_t *puid, enum SID_NAME_USE *sidtype)
{
fstring dom_name, name, sid_str;
enum SID_NAME_USE name_type;
*sidtype = SID_NAME_UNKNOWN;
/*
* First we must look up the name and decide if this is a user sid.
*/
if (!winbind_lookup_sid(psid, dom_name, name, &name_type)) {
fstring sid_str;
DEBUG(10,("sid_to_uid: winbind lookup for sid %s failed - trying local.\n",
sid_to_string(sid_str, psid) ));
return local_sid_to_uid(puid, psid, sidtype);
}
/*
* Ensure this is a user sid.
*/
if (name_type != SID_NAME_USER) {
DEBUG(10,("sid_to_uid: winbind lookup succeeded but SID is not a uid (%u)\n",
(unsigned int)name_type ));
return False;
}
*sidtype = SID_NAME_USER;
/*
* Get the uid for this SID.
*/
if (!winbind_sid_to_uid(puid, psid)) {
DEBUG(10,("sid_to_uid: winbind lookup for sid %s failed.\n",
sid_to_string(sid_str, psid) ));
return False;
}
return True;
}
/*****************************************************************
*THE CANNONICAL* convert SID to gid function.
Tries winbind first - then uses local lookup.
Returns True if this name is a user sid and the conversion
was done correctly, False if not.
*****************************************************************/
BOOL sid_to_gid(DOM_SID *psid, gid_t *pgid, enum SID_NAME_USE *sidtype)
{
fstring dom_name, name, sid_str;
enum SID_NAME_USE name_type;
*sidtype = SID_NAME_UNKNOWN;
/*
* First we must look up the name and decide if this is a group sid.
*/
if (!winbind_lookup_sid(psid, dom_name, name, &name_type)) {
fstring sid_str;
DEBUG(10,("sid_to_gid: winbind lookup for sid %s failed - trying local.\n",
sid_to_string(sid_str, psid) ));
return local_sid_to_gid(pgid, psid, sidtype);
}
/*
* Ensure this is a group sid.
*/
if ((name_type != SID_NAME_DOM_GRP) && (name_type != SID_NAME_ALIAS) && (name_type != SID_NAME_WKN_GRP)) {
DEBUG(10,("sid_to_gid: winbind lookup succeeded but SID is not a know group (%u)\n",
(unsigned int)name_type ));
return local_sid_to_gid(pgid, psid, sidtype);
}
*sidtype = name_type;
/*
* Get the gid for this SID.
*/
if (!winbind_sid_to_gid(pgid, psid)) {
DEBUG(10,("sid_to_gid: winbind lookup for sid %s failed.\n",
sid_to_string(sid_str, psid) ));
return False;
}
return True;
}
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