summaryrefslogtreecommitdiff
path: root/usr/src/uts/common/syscall/fsat.c
blob: a558518d85b04eedeec5cb77e1f9804912ff9948 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
/*
 * 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 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#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 accessat(int, char *, int);
#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 - accessat
 *
 * 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: /* accessat */
		return (accessat((int)arg1, (char *)arg2, (int)arg3));
	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: /* accessat */
		return (accessat((int)arg1, (char *)arg2, (int)arg3));
	default:
		return (set_errno(EINVAL));
	}
}
#endif