17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5d3e55dcdSgww * Common Development and Distribution License (the "License").
6d3e55dcdSgww * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
213b862e9aSRoger A. Faulkner
227c478bd9Sstevel@tonic-gate /*
23c4d3e299SBrent Paulson * Copyright (c) 1994, 2010, Oracle and/or its affiliates. All rights reserved.
247c478bd9Sstevel@tonic-gate */
257c478bd9Sstevel@tonic-gate
267c478bd9Sstevel@tonic-gate /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
277c478bd9Sstevel@tonic-gate /* All Rights Reserved */
287c478bd9Sstevel@tonic-gate
297c478bd9Sstevel@tonic-gate /*
307c478bd9Sstevel@tonic-gate * Portions of this source code were derived from Berkeley 4.3 BSD
317c478bd9Sstevel@tonic-gate * under license from the Regents of the University of California.
327c478bd9Sstevel@tonic-gate */
337c478bd9Sstevel@tonic-gate
347c478bd9Sstevel@tonic-gate #include <sys/param.h>
357c478bd9Sstevel@tonic-gate #include <sys/isa_defs.h>
367c478bd9Sstevel@tonic-gate #include <sys/types.h>
373b862e9aSRoger A. Faulkner #include <sys/stat.h>
387c478bd9Sstevel@tonic-gate #include <sys/sysmacros.h>
397c478bd9Sstevel@tonic-gate #include <sys/systm.h>
407c478bd9Sstevel@tonic-gate #include <sys/errno.h>
417c478bd9Sstevel@tonic-gate #include <sys/vnode.h>
427c478bd9Sstevel@tonic-gate #include <sys/vfs.h>
437c478bd9Sstevel@tonic-gate #include <sys/time.h>
447c478bd9Sstevel@tonic-gate #include <sys/debug.h>
457c478bd9Sstevel@tonic-gate #include <sys/model.h>
467c478bd9Sstevel@tonic-gate #include <sys/fcntl.h>
477c478bd9Sstevel@tonic-gate #include <sys/file.h>
487c478bd9Sstevel@tonic-gate #include <sys/pathname.h>
497c478bd9Sstevel@tonic-gate #include <c2/audit.h>
507c478bd9Sstevel@tonic-gate
517c478bd9Sstevel@tonic-gate static int
cfutimesat(int fd,char * fname,int nmflag,vattr_t * vap,int flags,int follow)523b862e9aSRoger A. Faulkner cfutimesat(int fd, char *fname, int nmflag, vattr_t *vap, int flags, int follow)
537c478bd9Sstevel@tonic-gate {
547c478bd9Sstevel@tonic-gate file_t *fp;
557c478bd9Sstevel@tonic-gate vnode_t *startvp, *vp;
567c478bd9Sstevel@tonic-gate int error;
577c478bd9Sstevel@tonic-gate char startchar;
587c478bd9Sstevel@tonic-gate
597c478bd9Sstevel@tonic-gate if (fd == AT_FDCWD && fname == NULL)
607c478bd9Sstevel@tonic-gate return (set_errno(EFAULT));
617c478bd9Sstevel@tonic-gate
627c478bd9Sstevel@tonic-gate if (nmflag == 1 || (nmflag == 2 && fname != NULL)) {
637c478bd9Sstevel@tonic-gate if (copyin(fname, &startchar, sizeof (char)))
647c478bd9Sstevel@tonic-gate return (set_errno(EFAULT));
653b862e9aSRoger A. Faulkner } else {
667c478bd9Sstevel@tonic-gate startchar = '\0';
673b862e9aSRoger A. Faulkner }
687c478bd9Sstevel@tonic-gate
693b862e9aSRoger A. Faulkner if (fd == AT_FDCWD) {
707c478bd9Sstevel@tonic-gate startvp = NULL;
713b862e9aSRoger A. Faulkner } else {
727c478bd9Sstevel@tonic-gate /*
737c478bd9Sstevel@tonic-gate * is this absolute path?
747c478bd9Sstevel@tonic-gate */
757c478bd9Sstevel@tonic-gate if (startchar != '/') {
763b862e9aSRoger A. Faulkner if ((fp = getf(fd)) == NULL)
777c478bd9Sstevel@tonic-gate return (set_errno(EBADF));
787c478bd9Sstevel@tonic-gate startvp = fp->f_vnode;
797c478bd9Sstevel@tonic-gate VN_HOLD(startvp);
807c478bd9Sstevel@tonic-gate releasef(fd);
817c478bd9Sstevel@tonic-gate } else {
827c478bd9Sstevel@tonic-gate startvp = NULL;
837c478bd9Sstevel@tonic-gate }
847c478bd9Sstevel@tonic-gate }
857c478bd9Sstevel@tonic-gate
867c478bd9Sstevel@tonic-gate if ((nmflag == 1) || ((nmflag == 2) && (fname != NULL))) {
87*794f0adbSRoger A. Faulkner if (AU_AUDITING() && startvp != NULL)
88*794f0adbSRoger A. Faulkner audit_setfsat_path(1);
893b862e9aSRoger A. Faulkner if ((error = lookupnameat(fname, UIO_USERSPACE,
903b862e9aSRoger A. Faulkner follow, NULLVPP, &vp, startvp)) != 0) {
917c478bd9Sstevel@tonic-gate if (startvp != NULL)
927c478bd9Sstevel@tonic-gate VN_RELE(startvp);
937c478bd9Sstevel@tonic-gate return (set_errno(error));
947c478bd9Sstevel@tonic-gate }
957c478bd9Sstevel@tonic-gate } else {
967c478bd9Sstevel@tonic-gate vp = startvp;
977c478bd9Sstevel@tonic-gate VN_HOLD(vp);
987c478bd9Sstevel@tonic-gate }
997c478bd9Sstevel@tonic-gate
1007c478bd9Sstevel@tonic-gate if (startvp != NULL) {
1017c478bd9Sstevel@tonic-gate VN_RELE(startvp);
1027c478bd9Sstevel@tonic-gate }
1037c478bd9Sstevel@tonic-gate
1047c478bd9Sstevel@tonic-gate if (vn_is_readonly(vp)) {
1057c478bd9Sstevel@tonic-gate error = EROFS;
1067c478bd9Sstevel@tonic-gate } else {
1077c478bd9Sstevel@tonic-gate error = VOP_SETATTR(vp, vap, flags, CRED(), NULL);
1087c478bd9Sstevel@tonic-gate }
1097c478bd9Sstevel@tonic-gate
1107c478bd9Sstevel@tonic-gate VN_RELE(vp);
1117c478bd9Sstevel@tonic-gate if (error != 0)
1127c478bd9Sstevel@tonic-gate return (set_errno(error));
1133b862e9aSRoger A. Faulkner return (0);
1147c478bd9Sstevel@tonic-gate }
1157c478bd9Sstevel@tonic-gate
1163b862e9aSRoger A. Faulkner static int
get_timespec_vattr(timespec_t * tsptr,struct vattr * vattr,int * flags)1173b862e9aSRoger A. Faulkner get_timespec_vattr(timespec_t *tsptr, struct vattr *vattr, int *flags)
1183b862e9aSRoger A. Faulkner {
1193b862e9aSRoger A. Faulkner timespec_t ts[2];
1203b862e9aSRoger A. Faulkner timespec_t now;
1213b862e9aSRoger A. Faulkner uint_t mask;
1223b862e9aSRoger A. Faulkner
1233b862e9aSRoger A. Faulkner if (tsptr != NULL) {
1243b862e9aSRoger A. Faulkner if (get_udatamodel() == DATAMODEL_NATIVE) {
1253b862e9aSRoger A. Faulkner if (copyin(tsptr, ts, sizeof (ts)))
1263b862e9aSRoger A. Faulkner return (EFAULT);
1273b862e9aSRoger A. Faulkner } else {
1283b862e9aSRoger A. Faulkner timespec32_t ts32[2];
1293b862e9aSRoger A. Faulkner
1303b862e9aSRoger A. Faulkner if (copyin(tsptr, ts32, sizeof (ts32)))
1313b862e9aSRoger A. Faulkner return (EFAULT);
1323b862e9aSRoger A. Faulkner TIMESPEC32_TO_TIMESPEC(&ts[0], &ts32[0]);
1333b862e9aSRoger A. Faulkner TIMESPEC32_TO_TIMESPEC(&ts[1], &ts32[1]);
1343b862e9aSRoger A. Faulkner }
1353b862e9aSRoger A. Faulkner if (ts[0].tv_nsec == UTIME_NOW || ts[1].tv_nsec == UTIME_NOW)
1363b862e9aSRoger A. Faulkner gethrestime(&now);
1373b862e9aSRoger A. Faulkner mask = 0;
1383b862e9aSRoger A. Faulkner if (ts[0].tv_nsec == UTIME_OMIT) {
1393b862e9aSRoger A. Faulkner ts[0].tv_nsec = 0;
1403b862e9aSRoger A. Faulkner } else {
1413b862e9aSRoger A. Faulkner mask |= AT_ATIME;
1423b862e9aSRoger A. Faulkner if (ts[0].tv_nsec == UTIME_NOW)
1433b862e9aSRoger A. Faulkner ts[0] = now;
1443b862e9aSRoger A. Faulkner else if (ts[0].tv_nsec < 0 || ts[0].tv_nsec >= NANOSEC)
1453b862e9aSRoger A. Faulkner return (EINVAL);
1463b862e9aSRoger A. Faulkner }
1473b862e9aSRoger A. Faulkner if (ts[1].tv_nsec == UTIME_OMIT) {
1483b862e9aSRoger A. Faulkner ts[1].tv_nsec = 0;
1493b862e9aSRoger A. Faulkner } else {
1503b862e9aSRoger A. Faulkner mask |= AT_MTIME;
1513b862e9aSRoger A. Faulkner if (ts[1].tv_nsec == UTIME_NOW)
1523b862e9aSRoger A. Faulkner ts[1] = now;
1533b862e9aSRoger A. Faulkner else if (ts[1].tv_nsec < 0 || ts[1].tv_nsec >= NANOSEC)
1543b862e9aSRoger A. Faulkner return (EINVAL);
1553b862e9aSRoger A. Faulkner }
1563b862e9aSRoger A. Faulkner vattr->va_atime = ts[0];
1573b862e9aSRoger A. Faulkner vattr->va_mtime = ts[1];
1583b862e9aSRoger A. Faulkner vattr->va_mask = mask;
1593b862e9aSRoger A. Faulkner *flags = ATTR_UTIME;
1603b862e9aSRoger A. Faulkner } else {
1613b862e9aSRoger A. Faulkner gethrestime(&now);
1623b862e9aSRoger A. Faulkner vattr->va_atime = now;
1633b862e9aSRoger A. Faulkner vattr->va_mtime = now;
1643b862e9aSRoger A. Faulkner vattr->va_mask = AT_ATIME | AT_MTIME;
1653b862e9aSRoger A. Faulkner *flags = 0;
1663b862e9aSRoger A. Faulkner }
1673b862e9aSRoger A. Faulkner
1683b862e9aSRoger A. Faulkner return (0);
1693b862e9aSRoger A. Faulkner }
1703b862e9aSRoger A. Faulkner
1713b862e9aSRoger A. Faulkner int
futimens(int fd,timespec_t * tsptr)1723b862e9aSRoger A. Faulkner futimens(int fd, timespec_t *tsptr)
1733b862e9aSRoger A. Faulkner {
1743b862e9aSRoger A. Faulkner struct vattr vattr;
1753b862e9aSRoger A. Faulkner int flags;
1767c478bd9Sstevel@tonic-gate int error;
1777c478bd9Sstevel@tonic-gate
1783b862e9aSRoger A. Faulkner if ((error = get_timespec_vattr(tsptr, &vattr, &flags)) != 0)
1797c478bd9Sstevel@tonic-gate return (set_errno(error));
1807c478bd9Sstevel@tonic-gate
1813b862e9aSRoger A. Faulkner return (cfutimesat(fd, NULL, 2, &vattr, flags, FOLLOW));
1823b862e9aSRoger A. Faulkner }
1833b862e9aSRoger A. Faulkner
1843b862e9aSRoger A. Faulkner int
utimensat(int fd,char * fname,timespec_t * tsptr,int flag)1853b862e9aSRoger A. Faulkner utimensat(int fd, char *fname, timespec_t *tsptr, int flag)
1863b862e9aSRoger A. Faulkner {
1873b862e9aSRoger A. Faulkner struct vattr vattr;
1883b862e9aSRoger A. Faulkner int flags;
1893b862e9aSRoger A. Faulkner int error;
1903b862e9aSRoger A. Faulkner
1913b862e9aSRoger A. Faulkner if ((error = get_timespec_vattr(tsptr, &vattr, &flags)) != 0)
1923b862e9aSRoger A. Faulkner return (set_errno(error));
1933b862e9aSRoger A. Faulkner
1943b862e9aSRoger A. Faulkner return (cfutimesat(fd, fname, 1, &vattr, flags,
1953b862e9aSRoger A. Faulkner (flag & AT_SYMLINK_NOFOLLOW)? NO_FOLLOW : FOLLOW));
1963b862e9aSRoger A. Faulkner }
1973b862e9aSRoger A. Faulkner
1983b862e9aSRoger A. Faulkner int
utimesys(int code,uintptr_t arg1,uintptr_t arg2,uintptr_t arg3,uintptr_t arg4)1993b862e9aSRoger A. Faulkner utimesys(int code,
2003b862e9aSRoger A. Faulkner uintptr_t arg1, uintptr_t arg2, uintptr_t arg3, uintptr_t arg4)
2013b862e9aSRoger A. Faulkner {
2023b862e9aSRoger A. Faulkner switch (code) {
2033b862e9aSRoger A. Faulkner case 0:
2043b862e9aSRoger A. Faulkner return (futimens((int)arg1, (timespec_t *)arg2));
2053b862e9aSRoger A. Faulkner case 1:
2063b862e9aSRoger A. Faulkner return (utimensat((int)arg1, (char *)arg2,
2073b862e9aSRoger A. Faulkner (timespec_t *)arg3, (int)arg4));
2083b862e9aSRoger A. Faulkner default:
2093b862e9aSRoger A. Faulkner return (set_errno(EINVAL));
2103b862e9aSRoger A. Faulkner }
2117c478bd9Sstevel@tonic-gate }
212