ibcs2_stat.c revision 59794
1/*
2 * Copyright (c) 1995 Scott Bartram
3 * Copyright (c) 1995 Steven Wallace
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: head/sys/i386/ibcs2/ibcs2_stat.c 59794 2000-04-30 18:52:11Z phk $
29 */
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/namei.h>
34#include <sys/file.h>
35#include <sys/stat.h>
36#include <sys/filedesc.h>
37#include <sys/kernel.h>
38#include <sys/mount.h>
39#include <sys/vnode.h>
40#include <sys/sysctl.h>
41#include <sys/sysproto.h>
42
43#include <i386/ibcs2/ibcs2_signal.h>
44#include <i386/ibcs2/ibcs2_stat.h>
45#include <i386/ibcs2/ibcs2_statfs.h>
46#include <i386/ibcs2/ibcs2_proto.h>
47#include <i386/ibcs2/ibcs2_util.h>
48#include <i386/ibcs2/ibcs2_utsname.h>
49
50
51static void bsd_stat2ibcs_stat __P((struct stat *, struct ibcs2_stat *));
52static int  cvt_statfs         __P((struct statfs *, caddr_t, int));
53
54static void
55bsd_stat2ibcs_stat(st, st4)
56	struct stat *st;
57	struct ibcs2_stat *st4;
58{
59	bzero(st4, sizeof(*st4));
60	st4->st_dev  = (ibcs2_dev_t)st->st_dev;
61	st4->st_ino  = (ibcs2_ino_t)st->st_ino;
62	st4->st_mode = (ibcs2_mode_t)st->st_mode;
63	st4->st_nlink= (ibcs2_nlink_t)st->st_nlink;
64	st4->st_uid  = (ibcs2_uid_t)st->st_uid;
65	st4->st_gid  = (ibcs2_gid_t)st->st_gid;
66	st4->st_rdev = (ibcs2_dev_t)st->st_rdev;
67	if (st->st_size < (quad_t)1 << 32)
68		st4->st_size = (ibcs2_off_t)st->st_size;
69	else
70		st4->st_size = -2;
71	st4->st_atim = (ibcs2_time_t)st->st_atime;
72	st4->st_mtim = (ibcs2_time_t)st->st_mtime;
73	st4->st_ctim = (ibcs2_time_t)st->st_ctime;
74}
75
76static int
77cvt_statfs(sp, buf, len)
78	struct statfs *sp;
79	caddr_t buf;
80	int len;
81{
82	struct ibcs2_statfs ssfs;
83
84	bzero(&ssfs, sizeof ssfs);
85	ssfs.f_fstyp = 0;
86	ssfs.f_bsize = sp->f_bsize;
87	ssfs.f_frsize = 0;
88	ssfs.f_blocks = sp->f_blocks;
89	ssfs.f_bfree = sp->f_bfree;
90	ssfs.f_files = sp->f_files;
91	ssfs.f_ffree = sp->f_ffree;
92	ssfs.f_fname[0] = 0;
93	ssfs.f_fpack[0] = 0;
94	return copyout((caddr_t)&ssfs, buf, len);
95}
96
97int
98ibcs2_statfs(p, uap)
99	struct proc *p;
100	struct ibcs2_statfs_args *uap;
101{
102	register struct mount *mp;
103	register struct statfs *sp;
104	int error;
105	struct nameidata nd;
106	caddr_t sg = stackgap_init();
107
108	CHECKALTEXIST(p, &sg, SCARG(uap, path));
109	NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p);
110	if ((error = namei(&nd)) != 0)
111		return (error);
112	NDFREE(&nd, NDF_ONLY_PNBUF);
113	mp = nd.ni_vp->v_mount;
114	sp = &mp->mnt_stat;
115	vrele(nd.ni_vp);
116	if ((error = VFS_STATFS(mp, sp, p)) != 0)
117		return (error);
118	sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
119	return cvt_statfs(sp, (caddr_t)SCARG(uap, buf), SCARG(uap, len));
120}
121
122int
123ibcs2_fstatfs(p, uap)
124	struct proc *p;
125	struct ibcs2_fstatfs_args *uap;
126{
127	struct file *fp;
128	struct mount *mp;
129	register struct statfs *sp;
130	int error;
131
132	if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0)
133		return (error);
134	mp = ((struct vnode *)fp->f_data)->v_mount;
135	sp = &mp->mnt_stat;
136	if ((error = VFS_STATFS(mp, sp, p)) != 0)
137		return (error);
138	sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
139	return cvt_statfs(sp, (caddr_t)SCARG(uap, buf), SCARG(uap, len));
140}
141
142int
143ibcs2_stat(p, uap)
144	struct proc *p;
145	struct ibcs2_stat_args *uap;
146{
147	struct stat st;
148	struct ibcs2_stat ibcs2_st;
149	struct stat_args cup;
150	int error;
151	caddr_t sg = stackgap_init();
152
153	CHECKALTEXIST(p, &sg, SCARG(uap, path));
154	SCARG(&cup, path) = SCARG(uap, path);
155	SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(st));
156
157	if ((error = stat(p, &cup)) != 0)
158		return error;
159
160	if ((error = copyin(SCARG(&cup, ub), &st, sizeof(st))) != 0)
161		return error;
162	bsd_stat2ibcs_stat(&st, &ibcs2_st);
163	return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st),
164		       ibcs2_stat_len);
165}
166
167int
168ibcs2_lstat(p, uap)
169	struct proc *p;
170	struct ibcs2_lstat_args *uap;
171{
172	struct stat st;
173	struct ibcs2_stat ibcs2_st;
174	struct lstat_args cup;
175	int error;
176	caddr_t sg = stackgap_init();
177
178	CHECKALTEXIST(p, &sg, SCARG(uap, path));
179	SCARG(&cup, path) = SCARG(uap, path);
180	SCARG(&cup, ub) = stackgap_alloc(&sg, sizeof(st));
181
182	if ((error = lstat(p, &cup)) != 0)
183		return error;
184
185	if ((error = copyin(SCARG(&cup, ub), &st, sizeof(st))) != 0)
186		return error;
187	bsd_stat2ibcs_stat(&st, &ibcs2_st);
188	return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st),
189		       ibcs2_stat_len);
190}
191
192int
193ibcs2_fstat(p, uap)
194	struct proc *p;
195	struct ibcs2_fstat_args *uap;
196{
197	struct stat st;
198	struct ibcs2_stat ibcs2_st;
199	struct fstat_args cup;
200	int error;
201	caddr_t sg = stackgap_init();
202
203	SCARG(&cup, fd) = SCARG(uap, fd);
204	SCARG(&cup, sb) = stackgap_alloc(&sg, sizeof(st));
205
206	if ((error = fstat(p, &cup)) != 0)
207		return error;
208
209	if ((error = copyin(SCARG(&cup, sb), &st, sizeof(st))) != 0)
210		return error;
211	bsd_stat2ibcs_stat(&st, &ibcs2_st);
212	return copyout((caddr_t)&ibcs2_st, (caddr_t)SCARG(uap, st),
213		       ibcs2_stat_len);
214}
215
216int
217ibcs2_utssys(p, uap)
218	struct proc *p;
219	struct ibcs2_utssys_args *uap;
220{
221	switch (SCARG(uap, flag)) {
222	case 0:			/* uname(2) */
223	{
224		char machine_name[9], *p;
225		struct ibcs2_utsname sut;
226		bzero(&sut, ibcs2_utsname_len);
227
228		strncpy(sut.sysname,
229			IBCS2_UNAME_SYSNAME, sizeof(sut.sysname) - 1);
230		strncpy(sut.release,
231			IBCS2_UNAME_RELEASE, sizeof(sut.release) - 1);
232		strncpy(sut.version,
233			IBCS2_UNAME_VERSION, sizeof(sut.version) - 1);
234		strncpy(machine_name, hostname, sizeof(machine_name) - 1);
235		machine_name[sizeof(machine_name) - 1] = 0;
236		p = index(machine_name, '.');
237		if ( p )
238			*p = '\0';
239		strncpy(sut.nodename, machine_name, sizeof(sut.nodename) - 1);
240		strncpy(sut.machine, machine, sizeof(sut.machine) - 1);
241
242		DPRINTF(("IBCS2 uname: sys=%s rel=%s ver=%s node=%s mach=%s\n",
243			 sut.sysname, sut.release, sut.version, sut.nodename,
244			 sut.machine));
245		return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, a1),
246			       ibcs2_utsname_len);
247	}
248
249	case 2:			/* ustat(2) */
250	{
251		return ENOSYS;	/* XXX - TODO */
252	}
253
254	default:
255		return ENOSYS;
256	}
257}
258