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/*
Unix SMB/CIFS implementation.
security descriptor utility functions
Copyright (C) Andrew Tridgell 2004
Copyright (C) Andrew Bartlett 2010
Copyright (C) Stefan Metzmacher 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 "replace.h"
#include "lib/util/debug.h"
#include "lib/util/fault.h"
#include "libcli/security/security_token.h"
#include "libcli/security/dom_sid.h"
#include "libcli/security/privileges.h"
/*
return a blank security token
*/
struct security_token *security_token_initialise(TALLOC_CTX *mem_ctx)
{
struct security_token *st = talloc_zero(
mem_ctx, struct security_token);
return st;
}
/****************************************************************************
prints a struct security_token to debug output.
****************************************************************************/
void security_token_debug(int dbg_class, int dbg_lev, const struct security_token *token)
{
uint32_t i;
if (!token) {
DEBUGC(dbg_class, dbg_lev, ("Security token: (NULL)\n"));
return;
}
DEBUGC(dbg_class, dbg_lev, ("Security token SIDs (%lu):\n",
(unsigned long)token->num_sids));
for (i = 0; i < token->num_sids; i++) {
struct dom_sid_buf sidbuf;
DEBUGADDC(dbg_class,
dbg_lev,
(" SID[%3lu]: %s\n", (unsigned long)i,
dom_sid_str_buf(&token->sids[i], &sidbuf)));
}
security_token_debug_privileges(dbg_class, dbg_lev, token);
}
/* These really should be cheaper... */
bool security_token_is_sid(const struct security_token *token, const struct dom_sid *sid)
{
if (token->sids == NULL) {
return false;
}
if (dom_sid_equal(&token->sids[PRIMARY_USER_SID_INDEX], sid)) {
return true;
}
return false;
}
bool security_token_is_system(const struct security_token *token)
{
return security_token_is_sid(token, &global_sid_System);
}
bool security_token_is_anonymous(const struct security_token *token)
{
return security_token_is_sid(token, &global_sid_Anonymous);
}
bool security_token_has_sid(const struct security_token *token, const struct dom_sid *sid)
{
uint32_t i;
for (i = 0; i < token->num_sids; i++) {
if (dom_sid_equal(&token->sids[i], sid)) {
return true;
}
}
return false;
}
size_t security_token_count_flag_sids(const struct security_token *token,
const struct dom_sid *prefix_sid,
size_t num_flags,
const struct dom_sid **_flag_sid)
{
const size_t num_auths_expected = prefix_sid->num_auths + num_flags;
const struct dom_sid *found = NULL;
size_t num = 0;
uint32_t i;
SMB_ASSERT(num_auths_expected <= ARRAY_SIZE(prefix_sid->sub_auths));
for (i = 0; i < token->num_sids; i++) {
const struct dom_sid *sid = &token->sids[i];
int cmp;
if ((size_t)sid->num_auths != num_auths_expected) {
continue;
}
cmp = dom_sid_compare_domain(sid, prefix_sid);
if (cmp != 0) {
continue;
}
num += 1;
found = sid;
}
if ((num == 1) && (_flag_sid != NULL)) {
*_flag_sid = found;
}
return num;
}
bool security_token_has_builtin_guests(const struct security_token *token)
{
return security_token_has_sid(token, &global_sid_Builtin_Guests);
}
bool security_token_has_builtin_administrators(const struct security_token *token)
{
return security_token_has_sid(token, &global_sid_Builtin_Administrators);
}
bool security_token_has_nt_authenticated_users(const struct security_token *token)
{
return security_token_has_sid(token, &global_sid_Authenticated_Users);
}
bool security_token_has_enterprise_dcs(const struct security_token *token)
{
return security_token_has_sid(token, &global_sid_Enterprise_DCs);
}
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