Add SPDX license identifiers to source files under the LGPL

[thirdparty/systemd.git] / src / basic / audit-util.h

/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once

/***
  This file is part of systemd.

  Copyright 2010 Lennart Poettering

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation; either version 2.1 of the License, or
  (at your option) any later version.

  systemd 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
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License
  along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/

#include <stdbool.h>
#include <stdint.h>
#include <sys/types.h>

#define AUDIT_SESSION_INVALID ((uint32_t) -1)

int audit_session_from_pid(pid_t pid, uint32_t *id);
int audit_loginuid_from_pid(pid_t pid, uid_t *uid);

bool use_audit(void);

static inline bool audit_session_is_valid(uint32_t id) {
        return id > 0 && id != AUDIT_SESSION_INVALID;
}