1 /* $NetBSD: freebsd_file.c,v 1.34 2015/10/23 19:40:10 maxv Exp $ */
2
3 /*
4 * Copyright (c) 1995 Frank van der Linden
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed for the NetBSD Project
18 * by Frank van der Linden
19 * 4. The name of the author may not be used to endorse or promote products
20 * derived from this software without specific prior written permission
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 * from: linux_file.c,v 1.3 1995/04/04 04:21:30 mycroft Exp
34 */
35
36 #include <sys/cdefs.h>
37 __KERNEL_RCSID(0, "$NetBSD: freebsd_file.c,v 1.34 2015/10/23 19:40:10 maxv Exp $");
38
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/namei.h>
42 #include <sys/proc.h>
43 #include <sys/file.h>
44 #include <sys/stat.h>
45 #include <sys/filedesc.h>
46 #include <sys/ioctl.h>
47 #include <sys/kernel.h>
48 #include <sys/mount.h>
49
50 #include <sys/syscallargs.h>
51
52 #include <compat/freebsd/freebsd_syscallargs.h>
53 #include <compat/common/compat_util.h>
54 #include <compat/sys/mount.h>
55
56 #define ARRAY_LENGTH(array) (sizeof(array)/sizeof(array[0]))
57
58 static const char * convert_from_freebsd_mount_type(int);
59
60 static const char *
convert_from_freebsd_mount_type(int type)61 convert_from_freebsd_mount_type(int type)
62 {
63 static const char * const netbsd_mount_type[] = {
64 NULL, /* 0 = MOUNT_NONE */
65 "ffs", /* 1 = "Fast" Filesystem */
66 "nfs", /* 2 = Network Filesystem */
67 "mfs", /* 3 = Memory Filesystem */
68 "msdos", /* 4 = MSDOS Filesystem */
69 "lfs", /* 5 = Log-based Filesystem */
70 "lofs", /* 6 = Loopback filesystem */
71 "fdesc", /* 7 = File Descriptor Filesystem */
72 "portal", /* 8 = Portal Filesystem */
73 "null", /* 9 = Minimal Filesystem Layer */
74 "umap", /* 10 = User/Group Identifier Remapping Filesystem */
75 "kernfs", /* 11 = Kernel Information Filesystem */
76 "procfs", /* 12 = /proc Filesystem */
77 "afs", /* 13 = Andrew Filesystem */
78 "cd9660", /* 14 = ISO9660 (aka CDROM) Filesystem */
79 "union", /* 15 = Union (translucent) Filesystem */
80 NULL, /* 16 = "devfs" - existing device Filesystem */
81 #if 0 /* These filesystems don't exist in FreeBSD */
82 "adosfs", /* ?? = AmigaDOS Filesystem */
83 #endif
84 };
85
86 if (type < 0 || type >= ARRAY_LENGTH(netbsd_mount_type))
87 return (NULL);
88 return (netbsd_mount_type[type]);
89 }
90
91 int
freebsd_sys_mount(struct lwp * l,const struct freebsd_sys_mount_args * uap,register_t * retval)92 freebsd_sys_mount(struct lwp *l, const struct freebsd_sys_mount_args *uap, register_t *retval)
93 {
94 /* {
95 syscallarg(int) type;
96 syscallarg(char *) path;
97 syscallarg(int) flags;
98 syscallarg(void *) data;
99 } */
100 const char *type;
101 register_t dummy;
102
103 if ((type = convert_from_freebsd_mount_type(SCARG(uap, type))) == NULL)
104 return ENODEV;
105
106 return do_sys_mount(l, type, UIO_SYSSPACE, SCARG(uap, path),
107 SCARG(uap, flags), SCARG(uap, data), UIO_USERSPACE, 0, &dummy);
108 }
109
110 /* XXX - UNIX domain: int freebsd_sys_bind(int s, void *name, int namelen); */
111 /* XXX - UNIX domain: int freebsd_sys_connect(int s, void *name, int namelen); */
112