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Annotation of sys/sys/ucred.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: ucred.h,v 1.6 2003/08/15 20:32:20 tedu Exp $  */
        !             2: /*     $NetBSD: ucred.h,v 1.12 1995/06/01 22:44:50 jtc Exp $   */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1989, 1993
        !             6:  *     The Regents of the University of California.  All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. Neither the name of the University nor the names of its contributors
        !            17:  *    may be used to endorse or promote products derived from this software
        !            18:  *    without specific prior written permission.
        !            19:  *
        !            20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            30:  * SUCH DAMAGE.
        !            31:  *
        !            32:  *     @(#)ucred.h     8.2 (Berkeley) 1/4/94
        !            33:  */
        !            34:
        !            35: #ifndef _SYS_UCRED_H_
        !            36: #define        _SYS_UCRED_H_
        !            37:
        !            38: /*
        !            39:  * Credentials.
        !            40:  */
        !            41: struct ucred {
        !            42:        u_int   cr_ref;                 /* reference count */
        !            43:        uid_t   cr_uid;                 /* effective user id */
        !            44:        gid_t   cr_gid;                 /* effective group id */
        !            45:        short   cr_ngroups;             /* number of groups */
        !            46:        gid_t   cr_groups[NGROUPS];     /* groups */
        !            47: };
        !            48: #define NOCRED ((struct ucred *)-1)    /* no credential available */
        !            49: #define FSCRED ((struct ucred *)-2)    /* filesystem credential */
        !            50:
        !            51: #ifdef _KERNEL
        !            52: #define        crhold(cr)      (cr)->cr_ref++
        !            53:
        !            54: #define SUSER_NOACCT   0x1     /* don't mark accounting flags */
        !            55:
        !            56: struct ucred   *crcopy(struct ucred *cr);
        !            57: struct ucred   *crdup(struct ucred *cr);
        !            58: void           crfree(struct ucred *cr);
        !            59: struct ucred   *crget(void);
        !            60: int            suser(struct proc *p, u_int flags);
        !            61: int            suser_ucred(struct ucred *cred);
        !            62:
        !            63: #endif /* _KERNEL */
        !            64:
        !            65: #endif /* !_SYS_UCRED_H_ */