1 /* $OpenBSD: osf1_descrip.c,v 1.8 2002/02/13 19:08:06 art Exp $ */
2 /* $NetBSD: osf1_descrip.c,v 1.5 1999/06/26 01:24:41 cgd Exp $ */
3
4 /*
5 * Copyright (c) 1999 Christopher G. Demetriou. 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 by Christopher G. Demetriou
18 * for the NetBSD Project.
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
34 /*
35 * Copyright (c) 1994, 1995 Carnegie-Mellon University.
36 * All rights reserved.
37 *
38 * Author: Chris G. Demetriou
39 *
40 * Permission to use, copy, modify and distribute this software and
41 * its documentation is hereby granted, provided that both the copyright
42 * notice and this permission notice appear in all copies of the
43 * software, derivative works or modified versions, and any portions
44 * thereof, and that both notices appear in supporting documentation.
45 *
46 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
47 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
48 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
49 *
50 * Carnegie Mellon requests users of this software to return to
51 *
52 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
53 * School of Computer Science
54 * Carnegie Mellon University
55 * Pittsburgh PA 15213-3890
56 *
57 * any improvements or extensions that they make and grant Carnegie the
58 * rights to redistribute these changes.
59 */
60
61 #include <sys/param.h>
62 #include <sys/systm.h>
63 #include <sys/namei.h>
64 #include <sys/proc.h>
65 #include <sys/file.h>
66 #include <sys/stat.h>
67 #include <sys/filedesc.h>
68 #include <sys/kernel.h>
69 #include <sys/malloc.h>
70 #include <sys/mman.h>
71 #include <sys/mount.h>
72 #include <sys/signal.h>
73 #include <sys/signalvar.h>
74 #include <sys/reboot.h>
75 #include <sys/syscallargs.h>
76 #include <sys/exec.h>
77 #include <sys/vnode.h>
78 #include <sys/socketvar.h>
79 #include <sys/resource.h>
80 #include <sys/resourcevar.h>
81 #include <sys/wait.h>
82
83 #include <compat/osf1/osf1.h>
84 #include <compat/osf1/osf1_syscallargs.h>
85 #include <compat/osf1/osf1_cvt.h>
86
87 int
88 osf1_sys_fcntl(p, v, retval)
89 struct proc *p;
90 void *v;
91 register_t *retval;
92 {
93 struct osf1_sys_fcntl_args *uap = v;
94 struct sys_fcntl_args a;
95 struct osf1_flock oflock;
96 struct flock nflock;
97 unsigned long xfl, leftovers;
98 caddr_t sg;
99 int error;
100
101 sg = stackgap_init(p->p_emul);
102
103 SCARG(&a, fd) = SCARG(uap, fd);
104
105 leftovers = 0;
106 switch (SCARG(uap, cmd)) {
107 case OSF1_F_DUPFD:
108 SCARG(&a, cmd) = F_DUPFD;
109 SCARG(&a, arg) = SCARG(uap, arg);
110 break;
111
112 case OSF1_F_GETFD:
113 SCARG(&a, cmd) = F_GETFD;
114 SCARG(&a, arg) = 0; /* ignored */
115 break;
116
117 case OSF1_F_SETFD:
118 SCARG(&a, cmd) = F_SETFD;
119 SCARG(&a, arg) = (void *)emul_flags_translate(
120 osf1_fcntl_getsetfd_flags_xtab,
121 (unsigned long)SCARG(uap, arg), &leftovers);
122 break;
123
124 case OSF1_F_GETFL:
125 SCARG(&a, cmd) = F_GETFL;
126 SCARG(&a, arg) = 0; /* ignored */
127 break;
128
129 case OSF1_F_SETFL:
130 SCARG(&a, cmd) = F_SETFL;
131 xfl = emul_flags_translate(osf1_open_flags_xtab,
132 (unsigned long)SCARG(uap, arg), &leftovers);
133 xfl |= emul_flags_translate(osf1_fcntl_getsetfl_flags_xtab,
134 leftovers, &leftovers);
135 SCARG(&a, arg) = (void *)xfl;
136 break;
137
138 case OSF1_F_GETOWN: /* XXX not yet supported */
139 case OSF1_F_SETOWN: /* XXX not yet supported */
140 /* XXX translate. */
141 return (EINVAL);
142
143 case OSF1_F_GETLK:
144 case OSF1_F_SETLK:
145 case OSF1_F_SETLKW:
146 if (SCARG(uap, cmd) == OSF1_F_GETLK)
147 SCARG(&a, cmd) = F_GETLK;
148 else if (SCARG(uap, cmd) == OSF1_F_SETLK)
149 SCARG(&a, cmd) = F_SETLK;
150 else if (SCARG(uap, cmd) == OSF1_F_SETLKW)
151 SCARG(&a, cmd) = F_SETLKW;
152 SCARG(&a, arg) = stackgap_alloc(&sg, sizeof nflock);
153
154 error = copyin(SCARG(uap, arg), &oflock, sizeof oflock);
155 if (error == 0)
156 error = osf1_cvt_flock_to_native(&oflock, &nflock);
157 if (error == 0)
158 error = copyout(&nflock, SCARG(&a, arg),
159 sizeof nflock);
160 if (error != 0)
161 return (error);
162 break;
163
164 case OSF1_F_RGETLK: /* [lock mgr op] XXX not supported */
165 case OSF1_F_RSETLK: /* [lock mgr op] XXX not supported */
166 case OSF1_F_CNVT: /* [lock mgr op] XXX not supported */
167 case OSF1_F_RSETLKW: /* [lock mgr op] XXX not supported */
168 case OSF1_F_PURGEFS: /* [lock mgr op] XXX not supported */
169 case OSF1_F_PURGENFS: /* [DECsafe op] XXX not supported */
170 default:
171 /* XXX syslog? */
172 return (EINVAL);
173 }
174 if (leftovers != 0)
175 return (EINVAL);
176
177 error = sys_fcntl(p, &a, retval);
178
179 if (error)
180 return error;
181
182 switch (SCARG(uap, cmd)) {
183 case OSF1_F_GETFD:
184 retval[0] = emul_flags_translate(
185 osf1_fcntl_getsetfd_flags_rxtab, retval[0], NULL);
186 break;
187
188 case OSF1_F_GETFL:
189 xfl = emul_flags_translate(osf1_open_flags_rxtab,
190 retval[0], &leftovers);
191 xfl |= emul_flags_translate(osf1_fcntl_getsetfl_flags_rxtab,
192 leftovers, NULL);
193 retval[0] = xfl;
194 break;
195
196 case OSF1_F_GETLK:
197 error = copyin(SCARG(&a, arg), &nflock, sizeof nflock);
198 if (error == 0) {
199 osf1_cvt_flock_from_native(&nflock, &oflock);
200 error = copyout(&oflock, SCARG(uap, arg),
201 sizeof oflock);
202 }
203 break;
204 }
205
206 return error;
207 }
208
209 int
210 osf1_sys_fpathconf(p, v, retval)
211 struct proc *p;
212 void *v;
213 register_t *retval;
214 {
215 struct osf1_sys_fpathconf_args *uap = v;
216 struct sys_fpathconf_args a;
217 int error;
218
219 SCARG(&a, fd) = SCARG(uap, fd);
220
221 error = osf1_cvt_pathconf_name_to_native(SCARG(uap, name),
222 &SCARG(&a, name));
223
224 if (error == 0)
225 error = sys_fpathconf(p, &a, retval);
226
227 return (error);
228 }
229
230 /*
231 * Return status information about a file descriptor.
232 */
233 int
234 osf1_sys_fstat(p, v, retval)
235 struct proc *p;
236 void *v;
237 register_t *retval;
238 {
239 struct osf1_sys_fstat_args *uap = v;
240 struct filedesc *fdp = p->p_fd;
241 struct file *fp;
242 struct stat ub;
243 struct osf1_stat oub;
244 int error;
245
246 if ((fp = fd_getfile(fdp, SCARG(uap, fd))) == NULL)
247 return (EBADF);
248
249 FREF(fp);
250 error = (*fp->f_ops->fo_stat)(fp, &ub, p);
251 FRELE(fp);
252 osf1_cvt_stat_from_native(&ub, &oub);
253 if (error == 0)
254 error = copyout((caddr_t)&oub, (caddr_t)SCARG(uap, sb),
255 sizeof (oub));
256
257 return (error);
258 }
259
260 int
261 osf1_sys_ftruncate(p, v, retval)
262 struct proc *p;
263 void *v;
264 register_t *retval;
265 {
266 struct osf1_sys_ftruncate_args *uap = v;
267 struct sys_ftruncate_args a;
268
269 SCARG(&a, fd) = SCARG(uap, fd);
270 SCARG(&a, pad) = 0;
271 SCARG(&a, length) = SCARG(uap, length);
272
273 return sys_ftruncate(p, &a, retval);
274 }
275
276 int
277 osf1_sys_lseek(p, v, retval)
278 struct proc *p;
279 void *v;
280 register_t *retval;
281 {
282 struct osf1_sys_lseek_args *uap = v;
283 struct sys_lseek_args a;
284
285 SCARG(&a, fd) = SCARG(uap, fd);
286 SCARG(&a, pad) = 0;
287 SCARG(&a, offset) = SCARG(uap, offset);
288 SCARG(&a, whence) = SCARG(uap, whence);
289
290 return sys_lseek(p, &a, retval);
291 }