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/*
Unix SMB/CIFS implementation.
Samba Active Directory authentication policy functions
Copyright (C) Catalyst.Net Ltd 2023
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 "lib/replace/replace.h"
#include "auth/authn_policy.h"
#include "auth/authn_policy_impl.h"
bool authn_policy_is_enforced(const struct authn_policy *policy)
{
return policy->enforced;
}
/* Authentication policies for Kerberos clients. */
/* Is an authentication policy enforced? */
bool authn_kerberos_client_policy_is_enforced(const struct authn_kerberos_client_policy *policy)
{
return authn_policy_is_enforced(&policy->policy);
}
/* Get the raw TGT lifetime enforced by an authentication policy. */
int64_t authn_policy_enforced_tgt_lifetime_raw(const struct authn_kerberos_client_policy *policy)
{
if (policy == NULL) {
return 0;
}
if (!authn_policy_is_enforced(&policy->policy)) {
return 0;
}
return policy->tgt_lifetime_raw;
}
/* Auditing information. */
enum auth_event_id_type authn_audit_info_event_id(const struct authn_audit_info *audit_info)
{
bool is_enforced;
if (audit_info->event == AUTHN_AUDIT_EVENT_OK) {
/* We didn’t get an error. */
return AUTH_EVT_ID_NONE;
}
if (audit_info->policy == NULL) {
/*
* We got an error, but there’s no policy, so it must have
* stemmed from something else.
*/
return AUTH_EVT_ID_NONE;
}
is_enforced = authn_policy_is_enforced(audit_info->policy);
switch (audit_info->event) {
case AUTHN_AUDIT_EVENT_KERBEROS_DEVICE_RESTRICTION:
if (is_enforced) {
return AUTH_EVT_ID_KERBEROS_DEVICE_RESTRICTION;
}
return AUTH_EVT_ID_KERBEROS_DEVICE_RESTRICTION_AUDIT;
case AUTHN_AUDIT_EVENT_KERBEROS_SERVER_RESTRICTION:
if (is_enforced) {
return AUTH_EVT_ID_KERBEROS_SERVER_RESTRICTION;
}
return AUTH_EVT_ID_KERBEROS_SERVER_RESTRICTION_AUDIT;
case AUTHN_AUDIT_EVENT_NTLM_DEVICE_RESTRICTION:
if (is_enforced) {
return AUTH_EVT_ID_NTLM_DEVICE_RESTRICTION;
}
/* No relevant event ID. */
break;
case AUTHN_AUDIT_EVENT_NTLM_SERVER_RESTRICTION:
case AUTHN_AUDIT_EVENT_OTHER_ERROR:
default:
/* No relevant event ID. */
break;
}
return AUTH_EVT_ID_NONE;
}
const char *authn_audit_info_silo_name(const struct authn_audit_info *audit_info)
{
if (audit_info->policy == NULL) {
return NULL;
}
return audit_info->policy->silo_name;
}
const char *authn_audit_info_policy_name(const struct authn_audit_info *audit_info)
{
if (audit_info->policy == NULL) {
return NULL;
}
return audit_info->policy->policy_name;
}
const bool *authn_audit_info_policy_enforced(const struct authn_audit_info *audit_info)
{
if (audit_info->policy == NULL) {
return NULL;
}
return &audit_info->policy->enforced;
}
const struct auth_user_info_dc *authn_audit_info_client_info(const struct authn_audit_info *audit_info)
{
return audit_info->client_info;
}
const char *authn_audit_info_event(const struct authn_audit_info *audit_info)
{
switch (audit_info->event) {
case AUTHN_AUDIT_EVENT_OK:
return "OK";
case AUTHN_AUDIT_EVENT_KERBEROS_DEVICE_RESTRICTION:
return "KERBEROS_DEVICE_RESTRICTION";
case AUTHN_AUDIT_EVENT_KERBEROS_SERVER_RESTRICTION:
return "KERBEROS_SERVER_RESTRICTION";
case AUTHN_AUDIT_EVENT_NTLM_DEVICE_RESTRICTION:
return "NTLM_DEVICE_RESTRICTION";
case AUTHN_AUDIT_EVENT_NTLM_SERVER_RESTRICTION:
return "NTLM_SERVER_RESTRICTION";
case AUTHN_AUDIT_EVENT_OTHER_ERROR:
default:
return "OTHER_ERROR";
}
}
const char *authn_audit_info_reason(const struct authn_audit_info *audit_info)
{
switch (audit_info->reason) {
case AUTHN_AUDIT_REASON_DESCRIPTOR_INVALID:
return "DESCRIPTOR_INVALID";
case AUTHN_AUDIT_REASON_DESCRIPTOR_NO_OWNER:
return "DESCRIPTOR_NO_OWNER";
case AUTHN_AUDIT_REASON_SECURITY_TOKEN_FAILURE:
return "SECURITY_TOKEN_FAILURE";
case AUTHN_AUDIT_REASON_ACCESS_DENIED:
return "ACCESS_DENIED";
case AUTHN_AUDIT_REASON_FAST_REQUIRED:
return "FAST_REQUIRED";
case AUTHN_AUDIT_REASON_NONE:
default:
return NULL;
}
}
NTSTATUS authn_audit_info_policy_status(const struct authn_audit_info *audit_info)
{
return audit_info->policy_status;
}
const char *authn_audit_info_location(const struct authn_audit_info *audit_info)
{
return audit_info->location;
}
struct authn_int64_optional authn_audit_info_policy_tgt_lifetime_mins(const struct authn_audit_info *audit_info)
{
int64_t lifetime;
if (!audit_info->tgt_lifetime_raw.is_present) {
return authn_int64_none();
}
lifetime = audit_info->tgt_lifetime_raw.val;
lifetime /= INT64_C(1000) * 1000 * 10 * 60;
return authn_int64_some(lifetime);
}
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