fsat.c revision b2b3ca14272ffe2a6fc37bab2ab65b8f6702d750
/*
* 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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/types.h>
#include <sys/errno.h>
#include <sys/fcntl.h>
#include <sys/stat.h>
#include <sys/vnode.h>
#include <sys/vfs.h>
#include <sys/time.h>
#include <sys/systm.h>
#include <sys/debug.h>
extern int openat(int, char *, int, int);
extern int renameat(int, char *, int, char *);
extern int unlinkat(int, char *, int);
extern int fchownat(int, char *, uid_t, gid_t, int);
extern int fstatat(int, char *, struct stat *, int);
extern int futimesat(int, char *, struct timeval *);
extern int faccessat(int, char *, int, int);
extern int openattrdirat(int, char *);
#if defined(_SYSCALL32_IMPL) || defined(_ILP32)
extern int fstatat64_32(int, char *, struct stat64_32 *, int);
extern int fstatat32(int, char *, struct stat32 *, int);
extern int openat32(int, char *, int, int);
extern int fstatat64(int, char *, struct stat64 *, int);
extern int openat64(int, char *, int, int);
extern int fstatat64_32(int, char *, struct stat64_32 *, int);
#endif
/*
* Handle all of the *at system calls
*
* subcodes:
* 0 - openat
* 1 - openat64
* 2 - fstatat64
* 3 - fstatat
* 4 - fchownat
* 5 - unlinkat
* 6 - futimesat
* 7 - renameat
* 8 - faccessat
* 9 - openattrdirat
*
* The code for handling the at functionality exists in the file where the
* base syscall is defined. For example openat is in open.c
*/
#if defined(_SYSCALL32_IMPL) || defined(_ILP32)
int
fsat32(int code, uintptr_t arg1, uintptr_t arg2, uintptr_t arg3,
uintptr_t arg4, uintptr_t arg5)
{
switch (code) {
case 0: /* openat */
#if defined(_LP64)
return (openat32((int)arg1, (char *)arg2,
(int)arg3, (int)arg4));
#else
return (openat((int)arg1, (char *)arg2,
(int)arg3, (int)arg4));
#endif
case 1: /* openat64 */
return (openat64((int)arg1, (char *)arg2,
(int)arg3, (int)arg4));
case 2: /* fstatat64 */
#if defined(_LP64)
return (fstatat64_32((int)arg1, (char *)arg2,
(struct stat64_32 *)arg3, (int)arg4));
#else
return (fstatat64((int)arg1, (char *)arg2,
(struct stat64 *)arg3, (int)arg4));
#endif
case 3: /* fstatat */
#if defined(_LP64)
return (fstatat32((int)arg1, (char *)arg2,
(struct stat32 *)arg3, (int)arg4));
#else
return (fstatat((int)arg1, (char *)arg2,
(struct stat *)arg3, (int)arg4));
#endif
case 4: /* fchownat */
return (fchownat((int)arg1, (char *)arg2,
(uid_t)arg3, (gid_t)arg4, (int)arg5));
case 5: /* unlinkat */
return (unlinkat((int)arg1, (char *)arg2, (int)arg3));
case 6: /* futimesat */
return (futimesat((int)arg1,
(char *)arg2, (struct timeval *)arg3));
case 7: /* renameat */
return (renameat((int)arg1, (char *)arg2, (int)arg3,
(char *)arg4));
case 8: /* faccessat */
return (faccessat((int)arg1, (char *)arg2, (int)arg3,
(int)arg4));
case 9: /* openattrdirat */
return (openattrdirat((int)arg1, (char *)arg2));
default:
return (set_errno(EINVAL));
}
}
#endif
/*
* For 64 kernels, use fsat64
*/
#if defined(_LP64)
int
fsat64(int code, uintptr_t arg1, uintptr_t arg2, uintptr_t arg3,
uintptr_t arg4, uintptr_t arg5)
{
switch (code) {
case 0: /* openat */
return (openat((int)arg1, (char *)arg2,
(int)arg3, (int)arg4));
case 1: /* openat64 */
return (set_errno(ENOSYS));
case 2: /* fstatat64 */
return (set_errno(ENOSYS));
case 3: /* fstatat */
return (fstatat((int)arg1, (char *)arg2,
(struct stat *)arg3, (int)arg4));
case 4: /* fchownat */
return (fchownat((int)arg1, (char *)arg2,
(uid_t)arg3, (gid_t)arg4, (int)arg5));
case 5: /* unlinkat */
return (unlinkat((int)arg1, (char *)arg2, (int)arg3));
case 6: /* futimesat */
return (futimesat((int)arg1,
(char *)arg2, (struct timeval *)arg3));
case 7: /* renameat */
return (renameat((int)arg1, (char *)arg2, (int)arg3,
(char *)arg4));
case 8: /* faccessat */
return (faccessat((int)arg1, (char *)arg2, (int)arg3,
(int)arg4));
case 9: /* openattrdirat */
return (openattrdirat((int)arg1, (char *)arg2));
default:
return (set_errno(EINVAL));
}
}
#endif