| vfs_subr.c (192895) | vfs_subr.c (193092) |
|---|---|
| 1/*- 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 25 unchanged lines hidden (view full) --- 34 * @(#)vfs_subr.c 8.31 (Berkeley) 5/26/95 35 */ 36 37/* 38 * External virtual filesystem routines 39 */ 40 41#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 25 unchanged lines hidden (view full) --- 34 * @(#)vfs_subr.c 8.31 (Berkeley) 5/26/95 35 */ 36 37/* 38 * External virtual filesystem routines 39 */ 40 41#include <sys/cdefs.h> |
| 42__FBSDID("$FreeBSD: head/sys/kern/vfs_subr.c 192895 2009-05-27 14:11:23Z jamie $"); | 42__FBSDID("$FreeBSD: head/sys/kern/vfs_subr.c 193092 2009-05-30 13:59:05Z trasz $"); |
| 43 44#include "opt_ddb.h" 45#include "opt_mac.h" 46 47#include <sys/param.h> 48#include <sys/systm.h> 49#include <sys/bio.h> 50#include <sys/buf.h> --- 4197 unchanged lines hidden (view full) --- 4248 */ 4249void 4250vfs_mark_atime(struct vnode *vp, struct ucred *cred) 4251{ 4252 4253 if ((vp->v_mount->mnt_flag & (MNT_NOATIME | MNT_RDONLY)) == 0) 4254 (void)VOP_MARKATIME(vp); 4255} | 43 44#include "opt_ddb.h" 45#include "opt_mac.h" 46 47#include <sys/param.h> 48#include <sys/systm.h> 49#include <sys/bio.h> 50#include <sys/buf.h> --- 4197 unchanged lines hidden (view full) --- 4248 */ 4249void 4250vfs_mark_atime(struct vnode *vp, struct ucred *cred) 4251{ 4252 4253 if ((vp->v_mount->mnt_flag & (MNT_NOATIME | MNT_RDONLY)) == 0) 4254 (void)VOP_MARKATIME(vp); 4255} |
| 4256 4257/* 4258 * The purpose of this routine is to remove granularity from accmode_t, 4259 * reducing it into standard unix access bits - VEXEC, VREAD, VWRITE, 4260 * VADMIN and VAPPEND. 4261 * 4262 * If it returns 0, the caller is supposed to continue with the usual 4263 * access checks using 'accmode' as modified by this routine. If it 4264 * returns nonzero value, the caller is supposed to return that value 4265 * as errno. 4266 * 4267 * Note that after this routine runs, accmode may be zero. 4268 */ 4269int 4270vfs_unixify_accmode(accmode_t *accmode) 4271{ 4272 /* 4273 * There is no way to specify explicit "deny" rule using 4274 * file mode or POSIX.1e ACLs. 4275 */ 4276 if (*accmode & VEXPLICIT_DENY) { 4277 *accmode = 0; 4278 return (0); 4279 } 4280 4281 /* 4282 * None of these can be translated into usual access bits. 4283 * Also, the common case for NFSv4 ACLs is to not contain 4284 * either of these bits. Caller should check for VWRITE 4285 * on the containing directory instead. 4286 */ 4287 if (*accmode & (VDELETE_CHILD | VDELETE)) 4288 return (EPERM); 4289 4290 if (*accmode & VADMIN_PERMS) { 4291 *accmode &= ~VADMIN_PERMS; 4292 *accmode |= VADMIN; 4293 } 4294 4295 /* 4296 * There is no way to deny VREAD_ATTRIBUTES, VREAD_ACL 4297 * or VSYNCHRONIZE using file mode or POSIX.1e ACL. 4298 */ 4299 *accmode &= ~(VSTAT_PERMS | VSYNCHRONIZE); 4300 4301 return (0); 4302} |
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