mirror of
https://git.proxmox.com/git/mirror_zfs.git
synced 2024-12-25 18:59:33 +03:00
FreeBSD: Fix UNIX permissions checking
Reviewed-by: Ryan Moeller <ryan@iXsystems.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Matt Macy <mmacy@FreeBSD.org> Closes #10727
This commit is contained in:
Matthew Macy
GitHub
parent
5e7eaf8fbd
commit
716b53d0a1
97
include/os/freebsd/spl/sys/idmap.h
Normal file
97
include/os/freebsd/spl/sys/idmap.h
Normal file
@ -0,0 +1,97 @@
|
||||
/*
|
||||
* CDDL HEADER START
|
||||
*
|
||||
* The contents of this file are subject to the terms of the
|
||||
* Common Development and Distribution License (the "License").
|
||||
* You may not use this file except in compliance with the License.
|
||||
*
|
||||
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
||||
* or http://www.opensolaris.org/os/licensing.
|
||||
* See the License for the specific language governing permissions
|
||||
* and limitations under the License.
|
||||
*
|
||||
* When distributing Covered Code, include this CDDL HEADER in each
|
||||
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
||||
* If applicable, add the following below this CDDL HEADER, with the
|
||||
* fields enclosed by brackets "[]" replaced with your own identifying
|
||||
* information: Portions Copyright [yyyy] [name of copyright owner]
|
||||
*
|
||||
* CDDL HEADER END
|
||||
*/
|
||||
/*
|
||||
* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
|
||||
* Use is subject to license terms.
|
||||
*/
|
||||
|
||||
#ifndef _SYS_IDMAP_H
|
||||
#define _SYS_IDMAP_H
|
||||
|
||||
|
||||
/* Idmap status codes */
|
||||
#define IDMAP_SUCCESS 0
|
||||
#define IDMAP_NEXT 1
|
||||
#define IDMAP_ERR_OTHER -10000
|
||||
#define IDMAP_ERR_INTERNAL -9999
|
||||
#define IDMAP_ERR_MEMORY -9998
|
||||
#define IDMAP_ERR_NORESULT -9997
|
||||
#define IDMAP_ERR_NOTUSER -9996
|
||||
#define IDMAP_ERR_NOTGROUP -9995
|
||||
#define IDMAP_ERR_NOTSUPPORTED -9994
|
||||
#define IDMAP_ERR_W2U_NAMERULE -9993
|
||||
#define IDMAP_ERR_U2W_NAMERULE -9992
|
||||
#define IDMAP_ERR_CACHE -9991
|
||||
#define IDMAP_ERR_DB -9990
|
||||
#define IDMAP_ERR_ARG -9989
|
||||
#define IDMAP_ERR_SID -9988
|
||||
#define IDMAP_ERR_IDTYPE -9987
|
||||
#define IDMAP_ERR_RPC_HANDLE -9986
|
||||
#define IDMAP_ERR_RPC -9985
|
||||
#define IDMAP_ERR_CLIENT_HANDLE -9984
|
||||
#define IDMAP_ERR_BUSY -9983
|
||||
#define IDMAP_ERR_PERMISSION_DENIED -9982
|
||||
#define IDMAP_ERR_NOMAPPING -9981
|
||||
#define IDMAP_ERR_NEW_ID_ALLOC_REQD -9980
|
||||
#define IDMAP_ERR_DOMAIN -9979
|
||||
#define IDMAP_ERR_SECURITY -9978
|
||||
#define IDMAP_ERR_NOTFOUND -9977
|
||||
#define IDMAP_ERR_DOMAIN_NOTFOUND -9976
|
||||
#define IDMAP_ERR_UPDATE_NOTALLOWED -9975
|
||||
#define IDMAP_ERR_CFG -9974
|
||||
#define IDMAP_ERR_CFG_CHANGE -9973
|
||||
#define IDMAP_ERR_NOTMAPPED_WELLKNOWN -9972
|
||||
#define IDMAP_ERR_RETRIABLE_NET_ERR -9971
|
||||
#define IDMAP_ERR_W2U_NAMERULE_CONFLICT -9970
|
||||
#define IDMAP_ERR_U2W_NAMERULE_CONFLICT -9969
|
||||
#define IDMAP_ERR_BAD_UTF8 -9968
|
||||
#define IDMAP_ERR_NONE_GENERATED -9967
|
||||
#define IDMAP_ERR_PROP_UNKNOWN -9966
|
||||
#define IDMAP_ERR_NS_LDAP_OP_FAILED -9965
|
||||
#define IDMAP_ERR_NS_LDAP_PARTIAL -9964
|
||||
#define IDMAP_ERR_NS_LDAP_CFG -9963
|
||||
#define IDMAP_ERR_NS_LDAP_BAD_WINNAME -9962
|
||||
#define IDMAP_ERR_NO_ACTIVEDIRECTORY -9961
|
||||
|
||||
/* Reserved GIDs for some well-known SIDs */
|
||||
#define IDMAP_WK_LOCAL_SYSTEM_GID 2147483648U /* 0x80000000 */
|
||||
#define IDMAP_WK_CREATOR_GROUP_GID 2147483649U
|
||||
#define IDMAP_WK__MAX_GID 2147483649U
|
||||
|
||||
/* Reserved UIDs for some well-known SIDs */
|
||||
#define IDMAP_WK_CREATOR_OWNER_UID 2147483648U
|
||||
#define IDMAP_WK__MAX_UID 2147483648U
|
||||
|
||||
/* Reserved SIDs */
|
||||
#define IDMAP_WK_CREATOR_SID_AUTHORITY "S-1-3"
|
||||
|
||||
/*
|
||||
* Max door RPC size for ID mapping (can't be too large relative to the
|
||||
* default user-land thread stack size, since clnt_door_call()
|
||||
* alloca()s). See libidmap:idmap_init().
|
||||
*/
|
||||
#define IDMAP_MAX_DOOR_RPC (256 * 1024)
|
||||
|
||||
#define IDMAP_SENTINEL_PID UINT32_MAX
|
||||
#define IDMAP_ID_IS_EPHEMERAL(pid) \
|
||||
(((pid) > INT32_MAX) && ((pid) != IDMAP_SENTINEL_PID))
|
||||
|
||||
#endif /* _SYS_IDMAP_H */
|
||||
41
include/os/freebsd/spl/sys/kidmap.h
Normal file
41
include/os/freebsd/spl/sys/kidmap.h
Normal file
@ -0,0 +1,41 @@
|
||||
/*
|
||||
* 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_KIDMAP_H_
|
||||
#define _OPENSOLARIS_SYS_KIDMAP_H_
|
||||
|
||||
#include <sys/idmap.h>
|
||||
|
||||
typedef int32_t idmap_stat;
|
||||
typedef void idmap_get_handle_t;
|
||||
|
||||
#define kidmap_get_create() (NULL)
|
||||
#define kidmap_get_destroy(hdl) do { } while (0)
|
||||
#define kidmap_get_mappings(hdl) (NULL)
|
||||
|
||||
#endif /* _OPENSOLARIS_SYS_KIDMAP_H_ */
|
||||
@ -28,6 +28,8 @@
|
||||
|
||||
#ifndef _OPENSOLARIS_SYS_SID_H_
|
||||
#define _OPENSOLARIS_SYS_SID_H_
|
||||
#include <sys/idmap.h>
|
||||
#include <sys/kidmap.h>
|
||||
|
||||
typedef struct ksiddomain {
|
||||
char *kd_name; /* Domain part of SID */
|
||||
|
||||
@ -27,9 +27,9 @@ CFLAGS+= -I${INCDIR}/os/freebsd/spl
|
||||
CFLAGS+= -I${INCDIR}/os/freebsd/zfs
|
||||
CFLAGS+= -include ${INCDIR}/os/freebsd/spl/sys/ccompile.h
|
||||
|
||||
CFLAGS+= -D__KERNEL__ -DFREEBSD_NAMECACHE -DBUILDING_ZFS -D__BSD_VISIBLE=1
|
||||
CFLAGS+= -DHAVE_UIO_ZEROCOPY -DWITHOUT_NETDUMP -D__KERNEL -D_SYS_CONDVAR_H_
|
||||
CFLAGS+= -D_SYS_VMEM_H_ -DKDTRACE_HOOKS -DSMP
|
||||
CFLAGS+= -D__KERNEL__ -DFREEBSD_NAMECACHE -DBUILDING_ZFS -D__BSD_VISIBLE=1 \
|
||||
-DHAVE_UIO_ZEROCOPY -DWITHOUT_NETDUMP -D__KERNEL -D_SYS_CONDVAR_H_ \
|
||||
-D_SYS_VMEM_H_ -DKDTRACE_HOOKS -DSMP -DHAVE_KSID
|
||||
|
||||
.if ${MACHINE_ARCH} == "amd64"
|
||||
CFLAGS+= -DHAVE_AVX2 -DHAVE_AVX -D__x86_64 -DHAVE_SSE2 -DHAVE_AVX512F -DHAVE_SSSE3
|
||||
@ -276,7 +276,6 @@ SRCS+= abd.c \
|
||||
zfs_file_os.c \
|
||||
zfs_fm.c \
|
||||
zfs_fuid.c \
|
||||
zfs_fuid_os.c \
|
||||
zfs_ioctl.c \
|
||||
zfs_onexit.c \
|
||||
zfs_quota.c \
|
||||
|
||||
@ -2305,10 +2305,7 @@ zfs_zaccess_append(znode_t *zp, uint32_t *working_mode, boolean_t *check_privs,
|
||||
int
|
||||
zfs_fastaccesschk_execute(znode_t *zdp, cred_t *cr)
|
||||
{
|
||||
boolean_t owner = B_FALSE;
|
||||
boolean_t groupmbr = B_FALSE;
|
||||
boolean_t is_attr;
|
||||
uid_t uid = crgetuid(cr);
|
||||
|
||||
if (zdp->z_pflags & ZFS_AV_QUARANTINED)
|
||||
return (1);
|
||||
@ -2321,37 +2318,6 @@ zfs_fastaccesschk_execute(znode_t *zdp, cred_t *cr)
|
||||
if (zdp->z_pflags & ZFS_NO_EXECS_DENIED)
|
||||
return (0);
|
||||
|
||||
mutex_enter(&zdp->z_acl_lock);
|
||||
if (FUID_INDEX(zdp->z_uid) != 0 || FUID_INDEX(zdp->z_gid) != 0) {
|
||||
goto out_slow;
|
||||
}
|
||||
|
||||
if (uid == zdp->z_uid) {
|
||||
owner = B_TRUE;
|
||||
if (zdp->z_mode & S_IXUSR) {
|
||||
goto out;
|
||||
} else {
|
||||
goto out_slow;
|
||||
}
|
||||
}
|
||||
if (groupmember(zdp->z_gid, cr)) {
|
||||
groupmbr = B_TRUE;
|
||||
if (zdp->z_mode & S_IXGRP) {
|
||||
goto out;
|
||||
} else {
|
||||
goto out_slow;
|
||||
}
|
||||
}
|
||||
if (!owner && !groupmbr) {
|
||||
if (zdp->z_mode & S_IXOTH) {
|
||||
goto out;
|
||||
}
|
||||
}
|
||||
out:
|
||||
mutex_exit(&zdp->z_acl_lock);
|
||||
return (0);
|
||||
out_slow:
|
||||
mutex_exit(&zdp->z_acl_lock);
|
||||
return (1);
|
||||
}
|
||||
|
||||
|
||||
@ -1,51 +0,0 @@
|
||||
/*
|
||||
* CDDL HEADER START
|
||||
*
|
||||
* The contents of this file are subject to the terms of the
|
||||
* Common Development and Distribution License (the "License").
|
||||
* You may not use this file except in compliance with the License.
|
||||
*
|
||||
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
|
||||
* or http://www.opensolaris.org/os/licensing.
|
||||
* See the License for the specific language governing permissions
|
||||
* and limitations under the License.
|
||||
*
|
||||
* When distributing Covered Code, include this CDDL HEADER in each
|
||||
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
|
||||
* If applicable, add the following below this CDDL HEADER, with the
|
||||
* fields enclosed by brackets "[]" replaced with your own identifying
|
||||
* information: Portions Copyright [yyyy] [name of copyright owner]
|
||||
*
|
||||
* CDDL HEADER END
|
||||
*/
|
||||
/*
|
||||
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
|
||||
*/
|
||||
|
||||
#include <sys/zfs_context.h>
|
||||
#include <sys/dmu.h>
|
||||
#include <sys/avl.h>
|
||||
#include <sys/zap.h>
|
||||
#include <sys/nvpair.h>
|
||||
#ifdef _KERNEL
|
||||
#include <sys/sid.h>
|
||||
#include <sys/zfs_vfsops.h>
|
||||
#include <sys/zfs_znode.h>
|
||||
#endif
|
||||
#include <sys/zfs_fuid.h>
|
||||
|
||||
uint64_t
|
||||
zfs_fuid_create_cred(zfsvfs_t *zfsvfs, zfs_fuid_type_t type,
|
||||
cred_t *cr, zfs_fuid_info_t **fuidp)
|
||||
{
|
||||
uid_t id;
|
||||
|
||||
VERIFY(type == ZFS_OWNER || type == ZFS_GROUP);
|
||||
|
||||
id = (type == ZFS_OWNER) ? crgetuid(cr) : crgetgid(cr);
|
||||
|
||||
if (IS_EPHEMERAL(id))
|
||||
return ((type == ZFS_OWNER) ? UID_NOBODY : GID_NOBODY);
|
||||
|
||||
return ((uint64_t)id);
|
||||
}
|
||||
@ -387,11 +387,34 @@ zfs_fuid_map_ids(znode_t *zp, cred_t *cr, uid_t *uidp, uid_t *gidp)
|
||||
cr, ZFS_GROUP);
|
||||
}
|
||||
|
||||
#ifdef __FreeBSD__
|
||||
uid_t
|
||||
zfs_fuid_map_id(zfsvfs_t *zfsvfs, uint64_t fuid,
|
||||
cred_t *cr, zfs_fuid_type_t type)
|
||||
{
|
||||
uint32_t index = FUID_INDEX(fuid);
|
||||
|
||||
if (index == 0)
|
||||
return (fuid);
|
||||
|
||||
return (UID_NOBODY);
|
||||
}
|
||||
#elif defined(__linux__)
|
||||
uid_t
|
||||
zfs_fuid_map_id(zfsvfs_t *zfsvfs, uint64_t fuid,
|
||||
cred_t *cr, zfs_fuid_type_t type)
|
||||
{
|
||||
/*
|
||||
* The Linux port only supports POSIX IDs, use the passed id.
|
||||
*/
|
||||
return (fuid);
|
||||
}
|
||||
|
||||
#else
|
||||
uid_t
|
||||
zfs_fuid_map_id(zfsvfs_t *zfsvfs, uint64_t fuid,
|
||||
cred_t *cr, zfs_fuid_type_t type)
|
||||
{
|
||||
#ifdef HAVE_KSID
|
||||
uint32_t index = FUID_INDEX(fuid);
|
||||
const char *domain;
|
||||
uid_t id;
|
||||
@ -410,13 +433,8 @@ zfs_fuid_map_id(zfsvfs_t *zfsvfs, uint64_t fuid,
|
||||
FUID_RID(fuid), &id);
|
||||
}
|
||||
return (id);
|
||||
#else
|
||||
/*
|
||||
* The Linux port only supports POSIX IDs, use the passed id.
|
||||
*/
|
||||
return (fuid);
|
||||
#endif /* HAVE_KSID */
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Add a FUID node to the list of fuid's being created for this
|
||||
@ -559,9 +577,9 @@ zfs_fuid_create(zfsvfs_t *zfsvfs, uint64_t id, cred_t *cr,
|
||||
const char *domain;
|
||||
char *kdomain;
|
||||
uint32_t fuid_idx = FUID_INDEX(id);
|
||||
uint32_t rid;
|
||||
uint32_t rid = 0;
|
||||
idmap_stat status;
|
||||
uint64_t idx = 0;
|
||||
uint64_t idx = UID_NOBODY;
|
||||
zfs_fuid_t *zfuid = NULL;
|
||||
zfs_fuid_info_t *fuidp = NULL;
|
||||
|
||||
@ -711,9 +729,11 @@ boolean_t
|
||||
zfs_groupmember(zfsvfs_t *zfsvfs, uint64_t id, cred_t *cr)
|
||||
{
|
||||
#ifdef HAVE_KSID
|
||||
uid_t gid;
|
||||
|
||||
#ifdef illumos
|
||||
ksid_t *ksid = crgetsid(cr, KSID_GROUP);
|
||||
ksidlist_t *ksidlist = crgetsidlist(cr);
|
||||
uid_t gid;
|
||||
|
||||
if (ksid && ksidlist) {
|
||||
int i;
|
||||
@ -746,6 +766,7 @@ zfs_groupmember(zfsvfs_t *zfsvfs, uint64_t id, cred_t *cr)
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif /* illumos */
|
||||
|
||||
/*
|
||||
* Not found in ksidlist, check posix groups
|
||||
|
||||
Loading…
Reference in New Issue
Block a user