mirror_zfs/include/os/freebsd/spl/sys/sid.h
Ryan Moeller d42979c6ef
Fix ACL checks for NFS kernel server
This PR changes ZFS ACL checks to evaluate
fsuid / fsgid rather than euid / egid to avoid
accidentally granting elevated permissions to
NFS clients.

Reviewed-by: Serapheim Dimitropoulos <serapheim@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Co-authored-by: Andrew Walker <awalker@ixsystems.com>
Signed-off-by: Ryan Moeller <freqlabs@FreeBSD.org>
Closes #13221
2022-03-18 06:47:57 -06:00

62 lines
2.0 KiB
C

/*
* Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _OPENSOLARIS_SYS_SID_H_
#define _OPENSOLARIS_SYS_SID_H_
#include <sys/idmap.h>
typedef struct ksiddomain {
char *kd_name; /* Domain part of SID */
uint_t kd_len;
} ksiddomain_t;
typedef void ksid_t;
static __inline ksiddomain_t *
ksid_lookupdomain(const char *domain)
{
ksiddomain_t *kd;
size_t len;
len = strlen(domain) + 1;
kd = kmem_alloc(sizeof (*kd), KM_SLEEP);
kd->kd_len = (uint_t)len;
kd->kd_name = kmem_alloc(len, KM_SLEEP);
strcpy(kd->kd_name, domain);
return (kd);
}
static __inline void
ksiddomain_rele(ksiddomain_t *kd)
{
kmem_free(kd->kd_name, kd->kd_len);
kmem_free(kd, sizeof (*kd));
}
#endif /* _OPENSOLARIS_SYS_SID_H_ */