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/*
Unix SMB/CIFS implementation.
Translate unix-defined names to SIDs and vice versa
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"
#include "system/passwd.h"
#include "../libcli/security/security.h"
#include "../lib/util/util_pw.h"
bool sid_check_is_unix_users(const struct dom_sid *sid)
{
return dom_sid_equal(sid, &global_sid_Unix_Users);
}
bool sid_check_is_in_unix_users(const struct dom_sid *sid)
{
struct dom_sid dom_sid;
sid_copy(&dom_sid, sid);
sid_split_rid(&dom_sid, NULL);
return sid_check_is_unix_users(&dom_sid);
}
void uid_to_unix_users_sid(uid_t uid, struct dom_sid *sid)
{
/*
* This can never fail, we know that global_sid_Unix_Users is
* short enough for a domain sid.
*/
sid_compose(sid, &global_sid_Unix_Users, uid);
}
void gid_to_unix_groups_sid(gid_t gid, struct dom_sid *sid)
{
/*
* This can never fail, we know that global_sid_Unix_Groups is
* short enough for a domain sid.
*/
sid_compose(sid, &global_sid_Unix_Groups, gid);
}
const char *unix_users_domain_name(void)
{
return "Unix User";
}
bool lookup_unix_user_name(const char *name, struct dom_sid *sid)
{
struct passwd *pwd;
bool ret;
pwd = Get_Pwnam_alloc(talloc_tos(), name);
if (pwd == NULL) {
return False;
}
/*
* For 64-bit uid's we have enough space in the whole SID,
* should they become necessary
*/
ret = sid_compose(sid, &global_sid_Unix_Users, pwd->pw_uid);
TALLOC_FREE(pwd);
return ret;
}
bool sid_check_is_unix_groups(const struct dom_sid *sid)
{
return dom_sid_equal(sid, &global_sid_Unix_Groups);
}
bool sid_check_is_in_unix_groups(const struct dom_sid *sid)
{
struct dom_sid dom_sid;
sid_copy(&dom_sid, sid);
sid_split_rid(&dom_sid, NULL);
return sid_check_is_unix_groups(&dom_sid);
}
const char *unix_groups_domain_name(void)
{
return "Unix Group";
}
bool lookup_unix_group_name(const char *name, struct dom_sid *sid)
{
struct group *grp;
grp = getgrnam(name);
if (grp == NULL) {
return False;
}
/*
* For 64-bit gid's we have enough space in the whole SID,
* should they become necessary
*/
return sid_compose(sid, &global_sid_Unix_Groups, grp->gr_gid);
}
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