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: releng/5.0/sys/i386/ibcs2/ibcs2_stat.c 118755 2003-08-10 23:35:21Z nectar $
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/jail.h>
38 #include <sys/kernel.h>
39 #include <sys/mount.h>
40 #include <sys/vnode.h>
41 #include <sys/sysctl.h>
42 #include <sys/sysproto.h>
43
44 #include <i386/ibcs2/ibcs2_signal.h>
45 #include <i386/ibcs2/ibcs2_stat.h>
46 #include <i386/ibcs2/ibcs2_statfs.h>
47 #include <i386/ibcs2/ibcs2_proto.h>
48 #include <i386/ibcs2/ibcs2_util.h>
49 #include <i386/ibcs2/ibcs2_utsname.h>
50
51
52 static void bsd_stat2ibcs_stat(struct stat *, struct ibcs2_stat *);
53 static int cvt_statfs(struct statfs *, caddr_t, int);
54
55 static void
56 bsd_stat2ibcs_stat(st, st4)
57 struct stat *st;
58 struct ibcs2_stat *st4;
59 {
60 bzero(st4, sizeof(*st4));
61 st4->st_dev = (ibcs2_dev_t)st->st_dev;
62 st4->st_ino = (ibcs2_ino_t)st->st_ino;
63 st4->st_mode = (ibcs2_mode_t)st->st_mode;
64 st4->st_nlink= (ibcs2_nlink_t)st->st_nlink;
65 st4->st_uid = (ibcs2_uid_t)st->st_uid;
66 st4->st_gid = (ibcs2_gid_t)st->st_gid;
67 st4->st_rdev = (ibcs2_dev_t)st->st_rdev;
68 if (st->st_size < (quad_t)1 << 32)
69 st4->st_size = (ibcs2_off_t)st->st_size;
70 else
71 st4->st_size = -2;
72 st4->st_atim = (ibcs2_time_t)st->st_atime;
73 st4->st_mtim = (ibcs2_time_t)st->st_mtime;
74 st4->st_ctim = (ibcs2_time_t)st->st_ctime;
75 }
76
77 static int
78 cvt_statfs(sp, buf, len)
79 struct statfs *sp;
80 caddr_t buf;
81 int len;
82 {
83 struct ibcs2_statfs ssfs;
84
85 if (len < 0)
86 return (EINVAL);
87 else if (len > sizeof(ssfs))
88 len = sizeof(ssfs);
89 bzero(&ssfs, sizeof ssfs);
90 ssfs.f_fstyp = 0;
91 ssfs.f_bsize = sp->f_bsize;
92 ssfs.f_frsize = 0;
93 ssfs.f_blocks = sp->f_blocks;
94 ssfs.f_bfree = sp->f_bfree;
95 ssfs.f_files = sp->f_files;
96 ssfs.f_ffree = sp->f_ffree;
97 ssfs.f_fname[0] = 0;
98 ssfs.f_fpack[0] = 0;
99 return copyout((caddr_t)&ssfs, buf, len);
100 }
101
102 int
103 ibcs2_statfs(td, uap)
104 struct thread *td;
105 struct ibcs2_statfs_args *uap;
106 {
107 register struct mount *mp;
108 register struct statfs *sp;
109 int error;
110 struct nameidata nd;
111 caddr_t sg = stackgap_init();
112
113 CHECKALTEXIST(td, &sg, uap->path);
114 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, uap->path, td);
115 if ((error = namei(&nd)) != 0)
116 return (error);
117 NDFREE(&nd, NDF_ONLY_PNBUF);
118 mp = nd.ni_vp->v_mount;
119 sp = &mp->mnt_stat;
120 vrele(nd.ni_vp);
121 if ((error = VFS_STATFS(mp, sp, td)) != 0)
122 return (error);
123 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
124 return cvt_statfs(sp, (caddr_t)uap->buf, uap->len);
125 }
126
127 int
128 ibcs2_fstatfs(td, uap)
129 struct thread *td;
130 struct ibcs2_fstatfs_args *uap;
131 {
132 struct file *fp;
133 struct mount *mp;
134 register struct statfs *sp;
135 int error;
136
137 if ((error = getvnode(td->td_proc->p_fd, uap->fd, &fp)) != 0)
138 return (error);
139 mp = ((struct vnode *)fp->f_data)->v_mount;
140 sp = &mp->mnt_stat;
141 error = VFS_STATFS(mp, sp, td);
142 fdrop(fp, td);
143 if (error != 0)
144 return (error);
145 sp->f_flags = mp->mnt_flag & MNT_VISFLAGMASK;
146 return cvt_statfs(sp, (caddr_t)uap->buf, uap->len);
147 }
148
149 int
150 ibcs2_stat(td, uap)
151 struct thread *td;
152 struct ibcs2_stat_args *uap;
153 {
154 struct stat st;
155 struct ibcs2_stat ibcs2_st;
156 struct stat_args cup;
157 int error;
158 caddr_t sg = stackgap_init();
159
160 CHECKALTEXIST(td, &sg, uap->path);
161 cup.path = uap->path;
162 cup.ub = stackgap_alloc(&sg, sizeof(st));
163
164 if ((error = stat(td, &cup)) != 0)
165 return error;
166
167 if ((error = copyin(cup.ub, &st, sizeof(st))) != 0)
168 return error;
169 bsd_stat2ibcs_stat(&st, &ibcs2_st);
170 return copyout((caddr_t)&ibcs2_st, (caddr_t)uap->st,
171 ibcs2_stat_len);
172 }
173
174 int
175 ibcs2_lstat(td, uap)
176 struct thread *td;
177 struct ibcs2_lstat_args *uap;
178 {
179 struct stat st;
180 struct ibcs2_stat ibcs2_st;
181 struct lstat_args cup;
182 int error;
183 caddr_t sg = stackgap_init();
184
185 CHECKALTEXIST(td, &sg, uap->path);
186 cup.path = uap->path;
187 cup.ub = stackgap_alloc(&sg, sizeof(st));
188
189 if ((error = lstat(td, &cup)) != 0)
190 return error;
191
192 if ((error = copyin(cup.ub, &st, sizeof(st))) != 0)
193 return error;
194 bsd_stat2ibcs_stat(&st, &ibcs2_st);
195 return copyout((caddr_t)&ibcs2_st, (caddr_t)uap->st,
196 ibcs2_stat_len);
197 }
198
199 int
200 ibcs2_fstat(td, uap)
201 struct thread *td;
202 struct ibcs2_fstat_args *uap;
203 {
204 struct stat st;
205 struct ibcs2_stat ibcs2_st;
206 struct fstat_args cup;
207 int error;
208 caddr_t sg = stackgap_init();
209
210 cup.fd = uap->fd;
211 cup.sb = stackgap_alloc(&sg, sizeof(st));
212
213 if ((error = fstat(td, &cup)) != 0)
214 return error;
215
216 if ((error = copyin(cup.sb, &st, sizeof(st))) != 0)
217 return error;
218 bsd_stat2ibcs_stat(&st, &ibcs2_st);
219 return copyout((caddr_t)&ibcs2_st, (caddr_t)uap->st,
220 ibcs2_stat_len);
221 }
222
223 int
224 ibcs2_utssys(td, uap)
225 struct thread *td;
226 struct ibcs2_utssys_args *uap;
227 {
228 switch (uap->flag) {
229 case 0: /* uname(2) */
230 {
231 char machine_name[9], *p;
232 struct ibcs2_utsname sut;
233 bzero(&sut, ibcs2_utsname_len);
234
235 strncpy(sut.sysname,
236 IBCS2_UNAME_SYSNAME, sizeof(sut.sysname) - 1);
237 strncpy(sut.release,
238 IBCS2_UNAME_RELEASE, sizeof(sut.release) - 1);
239 strncpy(sut.version,
240 IBCS2_UNAME_VERSION, sizeof(sut.version) - 1);
241 getcredhostname(td->td_ucred, machine_name,
242 sizeof(machine_name) - 1);
243 p = index(machine_name, '.');
244 if ( p )
245 *p = '\0';
246 strncpy(sut.nodename, machine_name, sizeof(sut.nodename) - 1);
247 strncpy(sut.machine, machine, sizeof(sut.machine) - 1);
248
249 DPRINTF(("IBCS2 uname: sys=%s rel=%s ver=%s node=%s mach=%s\n",
250 sut.sysname, sut.release, sut.version, sut.nodename,
251 sut.machine));
252 return copyout((caddr_t)&sut, (caddr_t)uap->a1,
253 ibcs2_utsname_len);
254 }
255
256 case 2: /* ustat(2) */
257 {
258 return ENOSYS; /* XXX - TODO */
259 }
260
261 default:
262 return ENOSYS;
263 }
264 }
Cache object: c2eb257f8a11c82e137399335b33977d
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