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/*
Unix SMB/Netbios implementation.
Version 2.0
Winbind daemon - sid related functions
Copyright (C) Tim Potter 2000
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 "winbindd.h"
#include "sids.h"
/* Convert a string */
enum winbindd_result winbindd_lookupsid(struct winbindd_cli_state *state)
{
extern DOM_SID global_sid_Builtin;
enum SID_NAME_USE type;
DOM_SID sid, tmp_sid;
uint32 rid;
fstring name;
DEBUG(3, ("[%5d]: lookupsid %s\n", state->pid,
state->request.data.sid));
/* Lookup sid from PDC using lsa_lookup_sids() */
string_to_sid(&sid, state->request.data.sid);
/* Don't look up BUILTIN sids */
sid_copy(&tmp_sid, &sid);
sid_split_rid(&tmp_sid, &rid);
if (sid_equal(&tmp_sid, &global_sid_Builtin)) {
return WINBINDD_ERROR;
}
/* Lookup the sid */
if (!winbindd_lookup_name_by_sid(&sid, name, &type)) {
return WINBINDD_ERROR;
}
string_sub(name, "\\", lp_winbind_separator(), sizeof(fstring));
fstrcpy(state->response.data.name.name, name);
state->response.data.name.type = type;
return WINBINDD_OK;
}
/* Convert a sid to a string */
enum winbindd_result winbindd_lookupname(struct winbindd_cli_state *state)
{
enum SID_NAME_USE type;
fstring sid_str, name_domain, name_user, name;
DOM_SID sid;
DEBUG(3, ("[%5d]: lookupname %s\n", state->pid,
state->request.data.name));
parse_domain_user(state->request.data.name, name_domain, name_user);
snprintf(name, sizeof(name), "%s\\%s", name_domain, name_user);
/* Lookup name from PDC using lsa_lookup_names() */
if (!winbindd_lookup_sid_by_name(name, &sid, &type)) {
return WINBINDD_ERROR;
}
sid_to_string(sid_str, &sid);
fstrcpy(state->response.data.sid.sid, sid_str);
state->response.data.sid.type = type;
return WINBINDD_OK;
}
/* Convert a sid to a uid. We assume we only have one rid attached to the
sid. */
enum winbindd_result winbindd_sid_to_uid(struct winbindd_cli_state *state)
{
DOM_SID sid;
uint32 user_rid;
struct winbindd_domain *domain;
DEBUG(3, ("[%5d]: sid to uid %s\n", state->pid,
state->request.data.sid));
/* Split sid into domain sid and user rid */
string_to_sid(&sid, state->request.data.sid);
sid_split_rid(&sid, &user_rid);
/* Find domain this sid belongs to */
if ((domain = find_domain_from_sid(&sid)) == NULL) {
fstring sid_str;
sid_to_string(sid_str, &sid);
DEBUG(1, ("Could not find domain for sid %s\n", sid_str));
return WINBINDD_ERROR;
}
/* Find uid for this sid and return it */
if (!winbindd_idmap_get_uid_from_rid(domain->name, user_rid,
&state->response.data.uid)) {
DEBUG(1, ("Could not get uid for sid %s\n",
state->request.data.sid));
return WINBINDD_ERROR;
}
return WINBINDD_OK;
}
/* Convert a sid to a gid. We assume we only have one rid attached to the
sid.*/
enum winbindd_result winbindd_sid_to_gid(struct winbindd_cli_state *state)
{
DOM_SID sid;
uint32 group_rid;
struct winbindd_domain *domain;
DEBUG(3, ("[%5d]: sid to gid %s\n", state->pid,
state->request.data.sid));
/* Split sid into domain sid and user rid */
string_to_sid(&sid, state->request.data.sid);
sid_split_rid(&sid, &group_rid);
/* Find domain this sid belongs to */
if ((domain = find_domain_from_sid(&sid)) == NULL) {
fstring sid_str;
sid_to_string(sid_str, &sid);
DEBUG(1, ("Could not find domain for sid %s\n", sid_str));
return WINBINDD_ERROR;
}
/* Find uid for this sid and return it */
if (!winbindd_idmap_get_gid_from_rid(domain->name, group_rid,
&state->response.data.gid)) {
DEBUG(1, ("Could not get gid for sid %s\n",
state->request.data.sid));
return WINBINDD_ERROR;
}
return WINBINDD_OK;
}
/* Convert a uid to a sid */
enum winbindd_result winbindd_uid_to_sid(struct winbindd_cli_state *state)
{
struct winbindd_domain *domain;
uint32 user_rid;
DOM_SID sid;
/* Bug out if the uid isn't in the winbind range */
if ((state->request.data.uid < server_state.uid_low ) ||
(state->request.data.uid > server_state.uid_high)) {
return WINBINDD_ERROR;
}
DEBUG(3, ("[%5d]: uid to sid %d\n", state->pid,
state->request.data.uid));
/* Lookup rid for this uid */
if (!winbindd_idmap_get_rid_from_uid(state->request.data.uid,
&user_rid, &domain)) {
DEBUG(1, ("Could not convert uid %d to rid\n",
state->request.data.uid));
return WINBINDD_ERROR;
}
/* Construct sid and return it */
sid_copy(&sid, &domain->sid);
sid_append_rid(&sid, user_rid);
sid_to_string(state->response.data.sid.sid, &sid);
state->response.data.sid.type = SID_NAME_USER;
return WINBINDD_OK;
}
/* Convert a gid to a sid */
enum winbindd_result winbindd_gid_to_sid(struct winbindd_cli_state *state)
{
struct winbindd_domain *domain;
uint32 group_rid;
DOM_SID sid;
/* Bug out if the gid isn't in the winbind range */
if ((state->request.data.gid < server_state.gid_low) ||
(state->request.data.gid > server_state.gid_high)) {
return WINBINDD_ERROR;
}
DEBUG(3, ("[%5d]: gid to sid %d\n", state->pid,
state->request.data.gid));
/* Lookup rid for this uid */
if (!winbindd_idmap_get_rid_from_gid(state->request.data.gid,
&group_rid, &domain)) {
DEBUG(1, ("Could not convert gid %d to rid\n",
state->request.data.gid));
return WINBINDD_ERROR;
}
/* Construct sid and return it */
sid_copy(&sid, &domain->sid);
sid_append_rid(&sid, group_rid);
sid_to_string(state->response.data.sid.sid, &sid);
state->response.data.sid.type = SID_NAME_DOM_GRP;
return WINBINDD_OK;
}
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