root/include/linux/cred.h

INCLUDED FROM

/* Credentials management
 *
 * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */

#ifndef _LINUX_CRED_H
#define _LINUX_CRED_H

#define get_current_user()      (get_uid(current->user))

#define task_uid(task)          ((task)->uid)
#define task_gid(task)          ((task)->gid)
#define task_euid(task)         ((task)->euid)
#define task_egid(task)         ((task)->egid)

#define current_uid()           (current->uid)
#define current_gid()           (current->gid)
#define current_euid()          (current->euid)
#define current_egid()          (current->egid)
#define current_suid()          (current->suid)
#define current_sgid()          (current->sgid)
#define current_fsuid()         (current->fsuid)
#define current_fsgid()         (current->fsgid)
#define current_cap()           (current->cap_effective)

#define current_uid_gid(_uid, _gid)             \
do {                                            \
        *(_uid) = current->uid;                 \
        *(_gid) = current->gid;                 \
} while(0)

#define current_euid_egid(_uid, _gid)           \
do {                                            \
        *(_uid) = current->euid;                \
        *(_gid) = current->egid;                \
} while(0)

#define current_fsuid_fsgid(_uid, _gid)         \
do {                                            \
        *(_uid) = current->fsuid;               \
        *(_gid) = current->fsgid;               \
} while(0)

#endif /* _LINUX_CRED_H */