/*
Unix SMB/CIFS implementation.
uid/user handling
Copyright (C) Andrew Tridgell 1992-1998
Copyright (C) Gerald (Jerry) Carter 2003
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 "passdb.h"
#include "lib/util_unixsids.h"
#include "../librpc/gen_ndr/ndr_security.h"
#include "secrets.h"
#include "../lib/util/memcache.h"
#include "idmap_cache.h"
#include "../libcli/security/security.h"
#include "lib/winbind_util.h"
#include "../librpc/gen_ndr/idmap.h"
static 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;
}
static 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);
}
/*****************************************************************
Dissect a user-provided name into domain, name, sid and type.
If an explicit domain name was given in the form domain\user, it
has to try that. If no explicit domain name was given, we have
to do guesswork.
*****************************************************************/
bool lookup_name(TALLOC_CTX *mem_ctx,
const char *full_name, int flags,
const char **ret_domain, const char **ret_name,
struct dom_sid *ret_sid, enum lsa_SidType *ret_type)
{
char *p;
const char *tmp;
const char *domain = NULL;
const char *name = NULL;
uint32_t rid;
struct dom_sid sid;
enum lsa_SidType type;
TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
if (tmp_ctx == NULL) {
DEBUG(0, ("talloc_new failed\n"));
return false;
}
p = strchr_m(full_name, '\\');
if (p != NULL) {
domain = talloc_strndup(tmp_ctx, full_name,
PTR_DIFF(p, full_name));
name = talloc_strdup(tmp_ctx, p+1);
} else {
domain = talloc_strdup(tmp_ctx, "");
name = talloc_strdup(tmp_ctx, full_name);
}
if ((domain == NULL) || (name == NULL)) {
DEBUG(0, ("talloc failed\n"));
TALLOC_FREE(tmp_ctx);
return false;
}
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