1/*-
2 * Copyright (c) 1994-1995 S�ren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
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
29#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 1994-1995 S�ren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
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
29#include <sys/cdefs.h>
|
30__FBSDID("$FreeBSD: head/sys/compat/linux/linux_stats.c 167257 2007-03-06 07:39:12Z rwatson $");
| 30__FBSDID("$FreeBSD: head/sys/compat/linux/linux_stats.c 172220 2007-09-18 19:50:33Z dwmalone $");
|
31
32#include "opt_compat.h"
33#include "opt_mac.h"
34
35#include <sys/param.h>
36#include <sys/dirent.h>
37#include <sys/file.h>
38#include <sys/filedesc.h>
39#include <sys/proc.h>
40#include <sys/jail.h>
41#include <sys/malloc.h>
42#include <sys/mount.h>
43#include <sys/namei.h>
44#include <sys/stat.h>
45#include <sys/syscallsubr.h>
46#include <sys/systm.h>
47#include <sys/vnode.h>
48#include <sys/conf.h>
49#include <sys/fcntl.h>
50
51#ifdef COMPAT_LINUX32
52#include <machine/../linux32/linux.h>
53#include <machine/../linux32/linux32_proto.h>
54#else
55#include <machine/../linux/linux.h>
56#include <machine/../linux/linux_proto.h>
57#endif
58
59#include <compat/linux/linux_util.h>
60
61#include <security/mac/mac_framework.h>
62
63/*
64 * XXX: This was removed from newstat_copyout(), and almost identical
65 * XXX: code was in stat64_copyout(). findcdev() needs to be replaced
66 * XXX: with something that does lookup and locking properly.
67 * XXX: When somebody fixes this: please try to avoid duplicating it.
68 */
69#if 0
70static void
71disk_foo(struct somestat *tbuf)
72{
73 struct cdevsw *cdevsw;
74 struct cdev *dev;
75
76 /* Lie about disk drives which are character devices
77 * in FreeBSD but block devices under Linux.
78 */
79 if (S_ISCHR(tbuf.st_mode) &&
80 (dev = findcdev(buf->st_rdev)) != NULL) {
81 cdevsw = dev_refthread(dev);
82 if (cdevsw != NULL) {
83 if (cdevsw->d_flags & D_DISK) {
84 tbuf.st_mode &= ~S_IFMT;
85 tbuf.st_mode |= S_IFBLK;
86
87 /* XXX this may not be quite right */
88 /* Map major number to 0 */
89 tbuf.st_dev = uminor(buf->st_dev) & 0xf;
90 tbuf.st_rdev = buf->st_rdev & 0xff;
91 }
92 dev_relthread(dev);
93 }
94 }
95
96}
97#endif
98
99static void
100translate_fd_major_minor(struct thread *td, int fd, struct stat *buf)
101{
102 struct file *fp;
103 int major, minor;
104
105 if ((!S_ISCHR(buf->st_mode) && !S_ISBLK(buf->st_mode)) ||
106 fget(td, fd, &fp) != 0)
107 return;
108 if (fp->f_vnode != NULL &&
109 fp->f_vnode->v_un.vu_cdev != NULL &&
110 linux_driver_get_major_minor(fp->f_vnode->v_un.vu_cdev->si_name,
111 &major, &minor) == 0)
112 buf->st_rdev = (major << 8 | minor);
113 fdrop(fp, td);
114}
115
116static void
117translate_path_major_minor(struct thread *td, char *path, struct stat *buf)
118{
119 struct proc *p = td->td_proc;
120 struct filedesc *fdp = p->p_fd;
121 int fd;
122 int temp;
123
124 if (!S_ISCHR(buf->st_mode) && !S_ISBLK(buf->st_mode))
125 return;
126 temp = td->td_retval[0];
127 if (kern_open(td, path, UIO_SYSSPACE, O_RDONLY, 0) != 0)
128 return;
129 fd = td->td_retval[0];
130 td->td_retval[0] = temp;
131 translate_fd_major_minor(td, fd, buf);
132 fdclose(fdp, fdp->fd_ofiles[fd], fd, td);
133}
134
135static int
136newstat_copyout(struct stat *buf, void *ubuf)
137{
138 struct l_newstat tbuf;
139
140 bzero(&tbuf, sizeof(tbuf));
141 tbuf.st_dev = uminor(buf->st_dev) | (umajor(buf->st_dev) << 8);
142 tbuf.st_ino = buf->st_ino;
143 tbuf.st_mode = buf->st_mode;
144 tbuf.st_nlink = buf->st_nlink;
145 tbuf.st_uid = buf->st_uid;
146 tbuf.st_gid = buf->st_gid;
147 tbuf.st_rdev = buf->st_rdev;
148 tbuf.st_size = buf->st_size;
149 tbuf.st_atime = buf->st_atime;
150 tbuf.st_mtime = buf->st_mtime;
151 tbuf.st_ctime = buf->st_ctime;
152 tbuf.st_blksize = buf->st_blksize;
153 tbuf.st_blocks = buf->st_blocks;
154
155 return (copyout(&tbuf, ubuf, sizeof(tbuf)));
156}
157
158int
159linux_newstat(struct thread *td, struct linux_newstat_args *args)
160{
161 struct stat buf;
162 char *path;
163 int error;
164
165 LCONVPATHEXIST(td, args->path, &path);
166
167#ifdef DEBUG
168 if (ldebug(newstat))
169 printf(ARGS(newstat, "%s, *"), path);
170#endif
171
172 error = kern_stat(td, path, UIO_SYSSPACE, &buf);
173 if (!error) {
174 if (strlen(path) > strlen("/dev/pts/") &&
175 !strncmp(path, "/dev/pts/", strlen("/dev/pts/")) &&
176 path[9] >= '0' && path[9] <= '9') {
177 /*
178 * Linux checks major and minors of the slave device
179 * to make sure it's a pty device, so let's make him
180 * believe it is.
181 */
182 buf.st_rdev = (136 << 8);
183 } else
184 translate_path_major_minor(td, path, &buf);
185 }
186 LFREEPATH(path);
187 if (error)
188 return (error);
189 return (newstat_copyout(&buf, args->buf));
190}
191
192int
193linux_newlstat(struct thread *td, struct linux_newlstat_args *args)
194{
195 struct stat sb;
196 char *path;
197 int error;
198
199 LCONVPATHEXIST(td, args->path, &path);
200
201#ifdef DEBUG
202 if (ldebug(newlstat))
203 printf(ARGS(newlstat, "%s, *"), path);
204#endif
205
206 error = kern_lstat(td, path, UIO_SYSSPACE, &sb);
207 if (!error)
208 translate_path_major_minor(td, path, &sb);
209 LFREEPATH(path);
210 if (error)
211 return (error);
212 return (newstat_copyout(&sb, args->buf));
213}
214
215int
216linux_newfstat(struct thread *td, struct linux_newfstat_args *args)
217{
218 struct stat buf;
219 int error;
220
221#ifdef DEBUG
222 if (ldebug(newfstat))
223 printf(ARGS(newfstat, "%d, *"), args->fd);
224#endif
225
226 error = kern_fstat(td, args->fd, &buf);
227 translate_fd_major_minor(td, args->fd, &buf);
228 if (!error)
229 error = newstat_copyout(&buf, args->buf);
230
231 return (error);
232}
233
234static int
235stat_copyout(struct stat *buf, void *ubuf)
236{
237 struct l_stat lbuf;
238
239 bzero(&lbuf, sizeof(lbuf));
240 lbuf.st_dev = buf->st_dev;
241 lbuf.st_ino = buf->st_ino;
242 lbuf.st_mode = buf->st_mode;
243 lbuf.st_nlink = buf->st_nlink;
244 lbuf.st_uid = buf->st_uid;
245 lbuf.st_gid = buf->st_gid;
246 lbuf.st_rdev = buf->st_rdev;
247 if (buf->st_size < (quad_t)1 << 32)
248 lbuf.st_size = buf->st_size;
249 else
250 lbuf.st_size = -2;
251 lbuf.st_atime = buf->st_atime;
252 lbuf.st_mtime = buf->st_mtime;
253 lbuf.st_ctime = buf->st_ctime;
254 lbuf.st_blksize = buf->st_blksize;
255 lbuf.st_blocks = buf->st_blocks;
256 lbuf.st_flags = buf->st_flags;
257 lbuf.st_gen = buf->st_gen;
258
259 return (copyout(&lbuf, ubuf, sizeof(lbuf)));
260}
261
262int
263linux_stat(struct thread *td, struct linux_stat_args *args)
264{
265 struct stat buf;
266 int error;
267#ifdef DEBUG
268 if (ldebug(stat))
269 printf(ARGS(stat, "%s, *"), args->path);
270#endif
271 error = kern_stat(td, args->path, UIO_SYSSPACE, &buf);
272 if (error)
273 return (error);
274 translate_path_major_minor(td, args->path, &buf);
275 return(stat_copyout(&buf, args->up));
276}
277
278int
279linux_lstat(struct thread *td, struct linux_lstat_args *args)
280{
281 struct stat buf;
282 int error;
283
284#ifdef DEBUG
285 if (ldebug(lstat))
286 printf(ARGS(lstat, "%s, *"), args->path);
287#endif
288 error = kern_lstat(td, args->path, UIO_SYSSPACE, &buf);
289 if (error)
290 return (error);
291 translate_path_major_minor(td, args->path, &buf);
292 return(stat_copyout(&buf, args->up));
293}
294
295/* XXX - All fields of type l_int are defined as l_long on i386 */
296struct l_statfs {
297 l_int f_type;
298 l_int f_bsize;
299 l_int f_blocks;
300 l_int f_bfree;
301 l_int f_bavail;
302 l_int f_files;
303 l_int f_ffree;
304 l_fsid_t f_fsid;
305 l_int f_namelen;
306 l_int f_spare[6];
307};
308
| 31
32#include "opt_compat.h"
33#include "opt_mac.h"
34
35#include <sys/param.h>
36#include <sys/dirent.h>
37#include <sys/file.h>
38#include <sys/filedesc.h>
39#include <sys/proc.h>
40#include <sys/jail.h>
41#include <sys/malloc.h>
42#include <sys/mount.h>
43#include <sys/namei.h>
44#include <sys/stat.h>
45#include <sys/syscallsubr.h>
46#include <sys/systm.h>
47#include <sys/vnode.h>
48#include <sys/conf.h>
49#include <sys/fcntl.h>
50
51#ifdef COMPAT_LINUX32
52#include <machine/../linux32/linux.h>
53#include <machine/../linux32/linux32_proto.h>
54#else
55#include <machine/../linux/linux.h>
56#include <machine/../linux/linux_proto.h>
57#endif
58
59#include <compat/linux/linux_util.h>
60
61#include <security/mac/mac_framework.h>
62
63/*
64 * XXX: This was removed from newstat_copyout(), and almost identical
65 * XXX: code was in stat64_copyout(). findcdev() needs to be replaced
66 * XXX: with something that does lookup and locking properly.
67 * XXX: When somebody fixes this: please try to avoid duplicating it.
68 */
69#if 0
70static void
71disk_foo(struct somestat *tbuf)
72{
73 struct cdevsw *cdevsw;
74 struct cdev *dev;
75
76 /* Lie about disk drives which are character devices
77 * in FreeBSD but block devices under Linux.
78 */
79 if (S_ISCHR(tbuf.st_mode) &&
80 (dev = findcdev(buf->st_rdev)) != NULL) {
81 cdevsw = dev_refthread(dev);
82 if (cdevsw != NULL) {
83 if (cdevsw->d_flags & D_DISK) {
84 tbuf.st_mode &= ~S_IFMT;
85 tbuf.st_mode |= S_IFBLK;
86
87 /* XXX this may not be quite right */
88 /* Map major number to 0 */
89 tbuf.st_dev = uminor(buf->st_dev) & 0xf;
90 tbuf.st_rdev = buf->st_rdev & 0xff;
91 }
92 dev_relthread(dev);
93 }
94 }
95
96}
97#endif
98
99static void
100translate_fd_major_minor(struct thread *td, int fd, struct stat *buf)
101{
102 struct file *fp;
103 int major, minor;
104
105 if ((!S_ISCHR(buf->st_mode) && !S_ISBLK(buf->st_mode)) ||
106 fget(td, fd, &fp) != 0)
107 return;
108 if (fp->f_vnode != NULL &&
109 fp->f_vnode->v_un.vu_cdev != NULL &&
110 linux_driver_get_major_minor(fp->f_vnode->v_un.vu_cdev->si_name,
111 &major, &minor) == 0)
112 buf->st_rdev = (major << 8 | minor);
113 fdrop(fp, td);
114}
115
116static void
117translate_path_major_minor(struct thread *td, char *path, struct stat *buf)
118{
119 struct proc *p = td->td_proc;
120 struct filedesc *fdp = p->p_fd;
121 int fd;
122 int temp;
123
124 if (!S_ISCHR(buf->st_mode) && !S_ISBLK(buf->st_mode))
125 return;
126 temp = td->td_retval[0];
127 if (kern_open(td, path, UIO_SYSSPACE, O_RDONLY, 0) != 0)
128 return;
129 fd = td->td_retval[0];
130 td->td_retval[0] = temp;
131 translate_fd_major_minor(td, fd, buf);
132 fdclose(fdp, fdp->fd_ofiles[fd], fd, td);
133}
134
135static int
136newstat_copyout(struct stat *buf, void *ubuf)
137{
138 struct l_newstat tbuf;
139
140 bzero(&tbuf, sizeof(tbuf));
141 tbuf.st_dev = uminor(buf->st_dev) | (umajor(buf->st_dev) << 8);
142 tbuf.st_ino = buf->st_ino;
143 tbuf.st_mode = buf->st_mode;
144 tbuf.st_nlink = buf->st_nlink;
145 tbuf.st_uid = buf->st_uid;
146 tbuf.st_gid = buf->st_gid;
147 tbuf.st_rdev = buf->st_rdev;
148 tbuf.st_size = buf->st_size;
149 tbuf.st_atime = buf->st_atime;
150 tbuf.st_mtime = buf->st_mtime;
151 tbuf.st_ctime = buf->st_ctime;
152 tbuf.st_blksize = buf->st_blksize;
153 tbuf.st_blocks = buf->st_blocks;
154
155 return (copyout(&tbuf, ubuf, sizeof(tbuf)));
156}
157
158int
159linux_newstat(struct thread *td, struct linux_newstat_args *args)
160{
161 struct stat buf;
162 char *path;
163 int error;
164
165 LCONVPATHEXIST(td, args->path, &path);
166
167#ifdef DEBUG
168 if (ldebug(newstat))
169 printf(ARGS(newstat, "%s, *"), path);
170#endif
171
172 error = kern_stat(td, path, UIO_SYSSPACE, &buf);
173 if (!error) {
174 if (strlen(path) > strlen("/dev/pts/") &&
175 !strncmp(path, "/dev/pts/", strlen("/dev/pts/")) &&
176 path[9] >= '0' && path[9] <= '9') {
177 /*
178 * Linux checks major and minors of the slave device
179 * to make sure it's a pty device, so let's make him
180 * believe it is.
181 */
182 buf.st_rdev = (136 << 8);
183 } else
184 translate_path_major_minor(td, path, &buf);
185 }
186 LFREEPATH(path);
187 if (error)
188 return (error);
189 return (newstat_copyout(&buf, args->buf));
190}
191
192int
193linux_newlstat(struct thread *td, struct linux_newlstat_args *args)
194{
195 struct stat sb;
196 char *path;
197 int error;
198
199 LCONVPATHEXIST(td, args->path, &path);
200
201#ifdef DEBUG
202 if (ldebug(newlstat))
203 printf(ARGS(newlstat, "%s, *"), path);
204#endif
205
206 error = kern_lstat(td, path, UIO_SYSSPACE, &sb);
207 if (!error)
208 translate_path_major_minor(td, path, &sb);
209 LFREEPATH(path);
210 if (error)
211 return (error);
212 return (newstat_copyout(&sb, args->buf));
213}
214
215int
216linux_newfstat(struct thread *td, struct linux_newfstat_args *args)
217{
218 struct stat buf;
219 int error;
220
221#ifdef DEBUG
222 if (ldebug(newfstat))
223 printf(ARGS(newfstat, "%d, *"), args->fd);
224#endif
225
226 error = kern_fstat(td, args->fd, &buf);
227 translate_fd_major_minor(td, args->fd, &buf);
228 if (!error)
229 error = newstat_copyout(&buf, args->buf);
230
231 return (error);
232}
233
234static int
235stat_copyout(struct stat *buf, void *ubuf)
236{
237 struct l_stat lbuf;
238
239 bzero(&lbuf, sizeof(lbuf));
240 lbuf.st_dev = buf->st_dev;
241 lbuf.st_ino = buf->st_ino;
242 lbuf.st_mode = buf->st_mode;
243 lbuf.st_nlink = buf->st_nlink;
244 lbuf.st_uid = buf->st_uid;
245 lbuf.st_gid = buf->st_gid;
246 lbuf.st_rdev = buf->st_rdev;
247 if (buf->st_size < (quad_t)1 << 32)
248 lbuf.st_size = buf->st_size;
249 else
250 lbuf.st_size = -2;
251 lbuf.st_atime = buf->st_atime;
252 lbuf.st_mtime = buf->st_mtime;
253 lbuf.st_ctime = buf->st_ctime;
254 lbuf.st_blksize = buf->st_blksize;
255 lbuf.st_blocks = buf->st_blocks;
256 lbuf.st_flags = buf->st_flags;
257 lbuf.st_gen = buf->st_gen;
258
259 return (copyout(&lbuf, ubuf, sizeof(lbuf)));
260}
261
262int
263linux_stat(struct thread *td, struct linux_stat_args *args)
264{
265 struct stat buf;
266 int error;
267#ifdef DEBUG
268 if (ldebug(stat))
269 printf(ARGS(stat, "%s, *"), args->path);
270#endif
271 error = kern_stat(td, args->path, UIO_SYSSPACE, &buf);
272 if (error)
273 return (error);
274 translate_path_major_minor(td, args->path, &buf);
275 return(stat_copyout(&buf, args->up));
276}
277
278int
279linux_lstat(struct thread *td, struct linux_lstat_args *args)
280{
281 struct stat buf;
282 int error;
283
284#ifdef DEBUG
285 if (ldebug(lstat))
286 printf(ARGS(lstat, "%s, *"), args->path);
287#endif
288 error = kern_lstat(td, args->path, UIO_SYSSPACE, &buf);
289 if (error)
290 return (error);
291 translate_path_major_minor(td, args->path, &buf);
292 return(stat_copyout(&buf, args->up));
293}
294
295/* XXX - All fields of type l_int are defined as l_long on i386 */
296struct l_statfs {
297 l_int f_type;
298 l_int f_bsize;
299 l_int f_blocks;
300 l_int f_bfree;
301 l_int f_bavail;
302 l_int f_files;
303 l_int f_ffree;
304 l_fsid_t f_fsid;
305 l_int f_namelen;
306 l_int f_spare[6];
307};
308
|
309struct l_statfs64 {
310 l_int f_type;
311 l_int f_bsize;
312 uint64_t f_blocks;
313 uint64_t f_bfree;
314 uint64_t f_bavail;
315 uint64_t f_files;
316 uint64_t f_ffree;
317 l_fsid_t f_fsid;
318 l_int f_namelen;
319 l_int f_spare[6];
320};
321
| |
322#define LINUX_CODA_SUPER_MAGIC 0x73757245L
323#define LINUX_EXT2_SUPER_MAGIC 0xEF53L
324#define LINUX_HPFS_SUPER_MAGIC 0xf995e849L
325#define LINUX_ISOFS_SUPER_MAGIC 0x9660L
326#define LINUX_MSDOS_SUPER_MAGIC 0x4d44L
327#define LINUX_NCP_SUPER_MAGIC 0x564cL
328#define LINUX_NFS_SUPER_MAGIC 0x6969L
329#define LINUX_NTFS_SUPER_MAGIC 0x5346544EL
330#define LINUX_PROC_SUPER_MAGIC 0x9fa0L
331#define LINUX_UFS_SUPER_MAGIC 0x00011954L /* XXX - UFS_MAGIC in Linux */
332#define LINUX_DEVFS_SUPER_MAGIC 0x1373L
333
334static long
335bsd_to_linux_ftype(const char *fstypename)
336{
337 int i;
338 static struct {const char *bsd_name; long linux_type;} b2l_tbl[] = {
339 {"ufs", LINUX_UFS_SUPER_MAGIC},
340 {"cd9660", LINUX_ISOFS_SUPER_MAGIC},
341 {"nfs", LINUX_NFS_SUPER_MAGIC},
342 {"ext2fs", LINUX_EXT2_SUPER_MAGIC},
343 {"procfs", LINUX_PROC_SUPER_MAGIC},
344 {"msdosfs", LINUX_MSDOS_SUPER_MAGIC},
345 {"ntfs", LINUX_NTFS_SUPER_MAGIC},
346 {"nwfs", LINUX_NCP_SUPER_MAGIC},
347 {"hpfs", LINUX_HPFS_SUPER_MAGIC},
348 {"coda", LINUX_CODA_SUPER_MAGIC},
349 {"devfs", LINUX_DEVFS_SUPER_MAGIC},
350 {NULL, 0L}};
351
352 for (i = 0; b2l_tbl[i].bsd_name != NULL; i++)
353 if (strcmp(b2l_tbl[i].bsd_name, fstypename) == 0)
354 return (b2l_tbl[i].linux_type);
355
356 return (0L);
357}
358
359static void
360bsd_to_linux_statfs(struct statfs *bsd_statfs, struct l_statfs *linux_statfs)
361{
362
363 linux_statfs->f_type = bsd_to_linux_ftype(bsd_statfs->f_fstypename);
364 linux_statfs->f_bsize = bsd_statfs->f_bsize;
365 linux_statfs->f_blocks = bsd_statfs->f_blocks;
366 linux_statfs->f_bfree = bsd_statfs->f_bfree;
367 linux_statfs->f_bavail = bsd_statfs->f_bavail;
368 linux_statfs->f_ffree = bsd_statfs->f_ffree;
369 linux_statfs->f_files = bsd_statfs->f_files;
370 linux_statfs->f_fsid.val[0] = bsd_statfs->f_fsid.val[0];
371 linux_statfs->f_fsid.val[1] = bsd_statfs->f_fsid.val[1];
372 linux_statfs->f_namelen = MAXNAMLEN;
373}
374
375int
376linux_statfs(struct thread *td, struct linux_statfs_args *args)
377{
378 struct l_statfs linux_statfs;
379 struct statfs bsd_statfs;
380 char *path;
381 int error;
382
383 LCONVPATHEXIST(td, args->path, &path);
384
385#ifdef DEBUG
386 if (ldebug(statfs))
387 printf(ARGS(statfs, "%s, *"), path);
388#endif
389 error = kern_statfs(td, path, UIO_SYSSPACE, &bsd_statfs);
390 LFREEPATH(path);
391 if (error)
392 return (error);
393 bsd_to_linux_statfs(&bsd_statfs, &linux_statfs);
394 return copyout(&linux_statfs, args->buf, sizeof(linux_statfs));
395}
396
397static void
398bsd_to_linux_statfs64(struct statfs *bsd_statfs, struct l_statfs64 *linux_statfs)
399{
400
401 linux_statfs->f_type = bsd_to_linux_ftype(bsd_statfs->f_fstypename);
402 linux_statfs->f_bsize = bsd_statfs->f_bsize;
403 linux_statfs->f_blocks = bsd_statfs->f_blocks;
404 linux_statfs->f_bfree = bsd_statfs->f_bfree;
405 linux_statfs->f_bavail = bsd_statfs->f_bavail;
406 linux_statfs->f_ffree = bsd_statfs->f_ffree;
407 linux_statfs->f_files = bsd_statfs->f_files;
408 linux_statfs->f_fsid.val[0] = bsd_statfs->f_fsid.val[0];
409 linux_statfs->f_fsid.val[1] = bsd_statfs->f_fsid.val[1];
410 linux_statfs->f_namelen = MAXNAMLEN;
411}
412
413int
414linux_statfs64(struct thread *td, struct linux_statfs64_args *args)
415{
416 struct l_statfs64 linux_statfs;
417 struct statfs bsd_statfs;
418 char *path;
419 int error;
420
| 309#define LINUX_CODA_SUPER_MAGIC 0x73757245L
310#define LINUX_EXT2_SUPER_MAGIC 0xEF53L
311#define LINUX_HPFS_SUPER_MAGIC 0xf995e849L
312#define LINUX_ISOFS_SUPER_MAGIC 0x9660L
313#define LINUX_MSDOS_SUPER_MAGIC 0x4d44L
314#define LINUX_NCP_SUPER_MAGIC 0x564cL
315#define LINUX_NFS_SUPER_MAGIC 0x6969L
316#define LINUX_NTFS_SUPER_MAGIC 0x5346544EL
317#define LINUX_PROC_SUPER_MAGIC 0x9fa0L
318#define LINUX_UFS_SUPER_MAGIC 0x00011954L /* XXX - UFS_MAGIC in Linux */
319#define LINUX_DEVFS_SUPER_MAGIC 0x1373L
320
321static long
322bsd_to_linux_ftype(const char *fstypename)
323{
324 int i;
325 static struct {const char *bsd_name; long linux_type;} b2l_tbl[] = {
326 {"ufs", LINUX_UFS_SUPER_MAGIC},
327 {"cd9660", LINUX_ISOFS_SUPER_MAGIC},
328 {"nfs", LINUX_NFS_SUPER_MAGIC},
329 {"ext2fs", LINUX_EXT2_SUPER_MAGIC},
330 {"procfs", LINUX_PROC_SUPER_MAGIC},
331 {"msdosfs", LINUX_MSDOS_SUPER_MAGIC},
332 {"ntfs", LINUX_NTFS_SUPER_MAGIC},
333 {"nwfs", LINUX_NCP_SUPER_MAGIC},
334 {"hpfs", LINUX_HPFS_SUPER_MAGIC},
335 {"coda", LINUX_CODA_SUPER_MAGIC},
336 {"devfs", LINUX_DEVFS_SUPER_MAGIC},
337 {NULL, 0L}};
338
339 for (i = 0; b2l_tbl[i].bsd_name != NULL; i++)
340 if (strcmp(b2l_tbl[i].bsd_name, fstypename) == 0)
341 return (b2l_tbl[i].linux_type);
342
343 return (0L);
344}
345
346static void
347bsd_to_linux_statfs(struct statfs *bsd_statfs, struct l_statfs *linux_statfs)
348{
349
350 linux_statfs->f_type = bsd_to_linux_ftype(bsd_statfs->f_fstypename);
351 linux_statfs->f_bsize = bsd_statfs->f_bsize;
352 linux_statfs->f_blocks = bsd_statfs->f_blocks;
353 linux_statfs->f_bfree = bsd_statfs->f_bfree;
354 linux_statfs->f_bavail = bsd_statfs->f_bavail;
355 linux_statfs->f_ffree = bsd_statfs->f_ffree;
356 linux_statfs->f_files = bsd_statfs->f_files;
357 linux_statfs->f_fsid.val[0] = bsd_statfs->f_fsid.val[0];
358 linux_statfs->f_fsid.val[1] = bsd_statfs->f_fsid.val[1];
359 linux_statfs->f_namelen = MAXNAMLEN;
360}
361
362int
363linux_statfs(struct thread *td, struct linux_statfs_args *args)
364{
365 struct l_statfs linux_statfs;
366 struct statfs bsd_statfs;
367 char *path;
368 int error;
369
370 LCONVPATHEXIST(td, args->path, &path);
371
372#ifdef DEBUG
373 if (ldebug(statfs))
374 printf(ARGS(statfs, "%s, *"), path);
375#endif
376 error = kern_statfs(td, path, UIO_SYSSPACE, &bsd_statfs);
377 LFREEPATH(path);
378 if (error)
379 return (error);
380 bsd_to_linux_statfs(&bsd_statfs, &linux_statfs);
381 return copyout(&linux_statfs, args->buf, sizeof(linux_statfs));
382}
383
384static void
385bsd_to_linux_statfs64(struct statfs *bsd_statfs, struct l_statfs64 *linux_statfs)
386{
387
388 linux_statfs->f_type = bsd_to_linux_ftype(bsd_statfs->f_fstypename);
389 linux_statfs->f_bsize = bsd_statfs->f_bsize;
390 linux_statfs->f_blocks = bsd_statfs->f_blocks;
391 linux_statfs->f_bfree = bsd_statfs->f_bfree;
392 linux_statfs->f_bavail = bsd_statfs->f_bavail;
393 linux_statfs->f_ffree = bsd_statfs->f_ffree;
394 linux_statfs->f_files = bsd_statfs->f_files;
395 linux_statfs->f_fsid.val[0] = bsd_statfs->f_fsid.val[0];
396 linux_statfs->f_fsid.val[1] = bsd_statfs->f_fsid.val[1];
397 linux_statfs->f_namelen = MAXNAMLEN;
398}
399
400int
401linux_statfs64(struct thread *td, struct linux_statfs64_args *args)
402{
403 struct l_statfs64 linux_statfs;
404 struct statfs bsd_statfs;
405 char *path;
406 int error;
407
|
| 408 if (args->bufsize != sizeof(struct l_statfs64))
409 return EINVAL;
410
|
421 LCONVPATHEXIST(td, args->path, &path);
422
423#ifdef DEBUG
424 if (ldebug(statfs64))
425 printf(ARGS(statfs64, "%s, *"), path);
426#endif
427 error = kern_statfs(td, path, UIO_SYSSPACE, &bsd_statfs);
428 LFREEPATH(path);
429 if (error)
430 return (error);
431 bsd_to_linux_statfs64(&bsd_statfs, &linux_statfs);
432 return copyout(&linux_statfs, args->buf, sizeof(linux_statfs));
433}
434
435int
436linux_fstatfs(struct thread *td, struct linux_fstatfs_args *args)
437{
438 struct l_statfs linux_statfs;
439 struct statfs bsd_statfs;
440 int error;
441
442#ifdef DEBUG
443 if (ldebug(fstatfs))
444 printf(ARGS(fstatfs, "%d, *"), args->fd);
445#endif
446 error = kern_fstatfs(td, args->fd, &bsd_statfs);
447 if (error)
448 return error;
449 bsd_to_linux_statfs(&bsd_statfs, &linux_statfs);
450 return copyout(&linux_statfs, args->buf, sizeof(linux_statfs));
451}
452
453struct l_ustat
454{
455 l_daddr_t f_tfree;
456 l_ino_t f_tinode;
457 char f_fname[6];
458 char f_fpack[6];
459};
460
461int
462linux_ustat(struct thread *td, struct linux_ustat_args *args)
463{
464#ifdef DEBUG
465 if (ldebug(ustat))
466 printf(ARGS(ustat, "%d, *"), args->dev);
467#endif
468
469 return (EOPNOTSUPP);
470}
471
472#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
473
474static int
475stat64_copyout(struct stat *buf, void *ubuf)
476{
477 struct l_stat64 lbuf;
478
479 bzero(&lbuf, sizeof(lbuf));
480 lbuf.st_dev = uminor(buf->st_dev) | (umajor(buf->st_dev) << 8);
481 lbuf.st_ino = buf->st_ino;
482 lbuf.st_mode = buf->st_mode;
483 lbuf.st_nlink = buf->st_nlink;
484 lbuf.st_uid = buf->st_uid;
485 lbuf.st_gid = buf->st_gid;
486 lbuf.st_rdev = buf->st_rdev;
487 lbuf.st_size = buf->st_size;
488 lbuf.st_atime = buf->st_atime;
489 lbuf.st_mtime = buf->st_mtime;
490 lbuf.st_ctime = buf->st_ctime;
491 lbuf.st_blksize = buf->st_blksize;
492 lbuf.st_blocks = buf->st_blocks;
493
494 /*
495 * The __st_ino field makes all the difference. In the Linux kernel
496 * it is conditionally compiled based on STAT64_HAS_BROKEN_ST_INO,
497 * but without the assignment to __st_ino the runtime linker refuses
498 * to mmap(2) any shared libraries. I guess it's broken alright :-)
499 */
500 lbuf.__st_ino = buf->st_ino;
501
502 return (copyout(&lbuf, ubuf, sizeof(lbuf)));
503}
504
505int
506linux_stat64(struct thread *td, struct linux_stat64_args *args)
507{
508 struct stat buf;
509 char *filename;
510 int error;
511
512 LCONVPATHEXIST(td, args->filename, &filename);
513
514#ifdef DEBUG
515 if (ldebug(stat64))
516 printf(ARGS(stat64, "%s, *"), filename);
517#endif
518
519 error = kern_stat(td, filename, UIO_SYSSPACE, &buf);
520 if (!error) {
521 if (strlen(filename) > strlen("/dev/pts/") &&
522 !strncmp(filename, "/dev/pts/", strlen("/dev/pts/")) &&
523 filename[9] >= '0' && filename[9] <= '9') {
524 /*
525 * Linux checks major and minors of the slave device
526 * to make sure it's a pty deivce, so let's make him
527 * believe it is.
528 */
529 buf.st_rdev = (136 << 8);
530 } else
531 translate_path_major_minor(td, filename, &buf);
532 }
533 LFREEPATH(filename);
534 if (error)
535 return (error);
536 return (stat64_copyout(&buf, args->statbuf));
537}
538
539int
540linux_lstat64(struct thread *td, struct linux_lstat64_args *args)
541{
542 struct stat sb;
543 char *filename;
544 int error;
545
546 LCONVPATHEXIST(td, args->filename, &filename);
547
548#ifdef DEBUG
549 if (ldebug(lstat64))
550 printf(ARGS(lstat64, "%s, *"), args->filename);
551#endif
552
553 error = kern_lstat(td, filename, UIO_SYSSPACE, &sb);
554 if (!error)
555 translate_path_major_minor(td, filename, &sb);
556 LFREEPATH(filename);
557 if (error)
558 return (error);
559 return (stat64_copyout(&sb, args->statbuf));
560}
561
562int
563linux_fstat64(struct thread *td, struct linux_fstat64_args *args)
564{
565 struct stat buf;
566 int error;
567
568#ifdef DEBUG
569 if (ldebug(fstat64))
570 printf(ARGS(fstat64, "%d, *"), args->fd);
571#endif
572
573 error = kern_fstat(td, args->fd, &buf);
574 translate_fd_major_minor(td, args->fd, &buf);
575 if (!error)
576 error = stat64_copyout(&buf, args->statbuf);
577
578 return (error);
579}
580
581#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
| 411 LCONVPATHEXIST(td, args->path, &path);
412
413#ifdef DEBUG
414 if (ldebug(statfs64))
415 printf(ARGS(statfs64, "%s, *"), path);
416#endif
417 error = kern_statfs(td, path, UIO_SYSSPACE, &bsd_statfs);
418 LFREEPATH(path);
419 if (error)
420 return (error);
421 bsd_to_linux_statfs64(&bsd_statfs, &linux_statfs);
422 return copyout(&linux_statfs, args->buf, sizeof(linux_statfs));
423}
424
425int
426linux_fstatfs(struct thread *td, struct linux_fstatfs_args *args)
427{
428 struct l_statfs linux_statfs;
429 struct statfs bsd_statfs;
430 int error;
431
432#ifdef DEBUG
433 if (ldebug(fstatfs))
434 printf(ARGS(fstatfs, "%d, *"), args->fd);
435#endif
436 error = kern_fstatfs(td, args->fd, &bsd_statfs);
437 if (error)
438 return error;
439 bsd_to_linux_statfs(&bsd_statfs, &linux_statfs);
440 return copyout(&linux_statfs, args->buf, sizeof(linux_statfs));
441}
442
443struct l_ustat
444{
445 l_daddr_t f_tfree;
446 l_ino_t f_tinode;
447 char f_fname[6];
448 char f_fpack[6];
449};
450
451int
452linux_ustat(struct thread *td, struct linux_ustat_args *args)
453{
454#ifdef DEBUG
455 if (ldebug(ustat))
456 printf(ARGS(ustat, "%d, *"), args->dev);
457#endif
458
459 return (EOPNOTSUPP);
460}
461
462#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
463
464static int
465stat64_copyout(struct stat *buf, void *ubuf)
466{
467 struct l_stat64 lbuf;
468
469 bzero(&lbuf, sizeof(lbuf));
470 lbuf.st_dev = uminor(buf->st_dev) | (umajor(buf->st_dev) << 8);
471 lbuf.st_ino = buf->st_ino;
472 lbuf.st_mode = buf->st_mode;
473 lbuf.st_nlink = buf->st_nlink;
474 lbuf.st_uid = buf->st_uid;
475 lbuf.st_gid = buf->st_gid;
476 lbuf.st_rdev = buf->st_rdev;
477 lbuf.st_size = buf->st_size;
478 lbuf.st_atime = buf->st_atime;
479 lbuf.st_mtime = buf->st_mtime;
480 lbuf.st_ctime = buf->st_ctime;
481 lbuf.st_blksize = buf->st_blksize;
482 lbuf.st_blocks = buf->st_blocks;
483
484 /*
485 * The __st_ino field makes all the difference. In the Linux kernel
486 * it is conditionally compiled based on STAT64_HAS_BROKEN_ST_INO,
487 * but without the assignment to __st_ino the runtime linker refuses
488 * to mmap(2) any shared libraries. I guess it's broken alright :-)
489 */
490 lbuf.__st_ino = buf->st_ino;
491
492 return (copyout(&lbuf, ubuf, sizeof(lbuf)));
493}
494
495int
496linux_stat64(struct thread *td, struct linux_stat64_args *args)
497{
498 struct stat buf;
499 char *filename;
500 int error;
501
502 LCONVPATHEXIST(td, args->filename, &filename);
503
504#ifdef DEBUG
505 if (ldebug(stat64))
506 printf(ARGS(stat64, "%s, *"), filename);
507#endif
508
509 error = kern_stat(td, filename, UIO_SYSSPACE, &buf);
510 if (!error) {
511 if (strlen(filename) > strlen("/dev/pts/") &&
512 !strncmp(filename, "/dev/pts/", strlen("/dev/pts/")) &&
513 filename[9] >= '0' && filename[9] <= '9') {
514 /*
515 * Linux checks major and minors of the slave device
516 * to make sure it's a pty deivce, so let's make him
517 * believe it is.
518 */
519 buf.st_rdev = (136 << 8);
520 } else
521 translate_path_major_minor(td, filename, &buf);
522 }
523 LFREEPATH(filename);
524 if (error)
525 return (error);
526 return (stat64_copyout(&buf, args->statbuf));
527}
528
529int
530linux_lstat64(struct thread *td, struct linux_lstat64_args *args)
531{
532 struct stat sb;
533 char *filename;
534 int error;
535
536 LCONVPATHEXIST(td, args->filename, &filename);
537
538#ifdef DEBUG
539 if (ldebug(lstat64))
540 printf(ARGS(lstat64, "%s, *"), args->filename);
541#endif
542
543 error = kern_lstat(td, filename, UIO_SYSSPACE, &sb);
544 if (!error)
545 translate_path_major_minor(td, filename, &sb);
546 LFREEPATH(filename);
547 if (error)
548 return (error);
549 return (stat64_copyout(&sb, args->statbuf));
550}
551
552int
553linux_fstat64(struct thread *td, struct linux_fstat64_args *args)
554{
555 struct stat buf;
556 int error;
557
558#ifdef DEBUG
559 if (ldebug(fstat64))
560 printf(ARGS(fstat64, "%d, *"), args->fd);
561#endif
562
563 error = kern_fstat(td, args->fd, &buf);
564 translate_fd_major_minor(td, args->fd, &buf);
565 if (!error)
566 error = stat64_copyout(&buf, args->statbuf);
567
568 return (error);
569}
570
571#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
|