1/*
2 * Copyright (c) 1995 Scott Bartram
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 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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28 */
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/namei.h>
33#include <sys/proc.h>
34#include <sys/file.h>
35#include <sys/stat.h>
36#include <sys/filedesc.h>
37#include <sys/ioctl.h>
38#include <sys/kernel.h>
39#include <sys/mount.h>
40#include <sys/malloc.h>
41#include <sys/sysproto.h>
42
43#include <i386/ibcs2/ibcs2_types.h>
44#include <i386/ibcs2/ibcs2_fcntl.h>
45#include <i386/ibcs2/ibcs2_signal.h>
46#include <i386/ibcs2/ibcs2_proto.h>
47#include <i386/ibcs2/ibcs2_util.h>
48
49static void cvt_iflock2flock __P((struct ibcs2_flock *, struct flock *));
50static void cvt_flock2iflock __P((struct flock *, struct ibcs2_flock *));
51static int cvt_o_flags __P((int));
52static int oflags2ioflags __P((int));
53static int ioflags2oflags __P((int));
54
55static int
56cvt_o_flags(flags)
57 int flags;
58{
59 int r = 0;
60
61 /* convert mode into NetBSD mode */
62 if (flags & IBCS2_O_WRONLY) r |= O_WRONLY;
63 if (flags & IBCS2_O_RDWR) r |= O_RDWR;
64 if (flags & (IBCS2_O_NDELAY | IBCS2_O_NONBLOCK)) r |= O_NONBLOCK;
65 if (flags & IBCS2_O_APPEND) r |= O_APPEND;
66 if (flags & IBCS2_O_SYNC) r |= O_FSYNC;
67 if (flags & IBCS2_O_CREAT) r |= O_CREAT;
68 if (flags & IBCS2_O_TRUNC) r |= O_TRUNC /* | O_CREAT ??? */;
69 if (flags & IBCS2_O_EXCL) r |= O_EXCL;
70 if (flags & IBCS2_O_RDONLY) r |= O_RDONLY;
71 if (flags & IBCS2_O_PRIV) r |= O_EXLOCK;
72 if (flags & IBCS2_O_NOCTTY) r |= O_NOCTTY;
73 return r;
74}
75
76static void
77cvt_flock2iflock(flp, iflp)
78 struct flock *flp;
79 struct ibcs2_flock *iflp;
80{
81 switch (flp->l_type) {
82 case F_RDLCK:
83 iflp->l_type = IBCS2_F_RDLCK;
84 break;
85 case F_WRLCK:
86 iflp->l_type = IBCS2_F_WRLCK;
87 break;
88 case F_UNLCK:
89 iflp->l_type = IBCS2_F_UNLCK;
90 break;
91 }
92 iflp->l_whence = (short)flp->l_whence;
93 iflp->l_start = (ibcs2_off_t)flp->l_start;
94 iflp->l_len = (ibcs2_off_t)flp->l_len;
95 iflp->l_sysid = 0;
96 iflp->l_pid = (ibcs2_pid_t)flp->l_pid;
97}
98
99#ifdef DEBUG_IBCS2
100static void
101print_flock(struct flock *flp)
102{
103 printf("flock: start=%x len=%x pid=%d type=%d whence=%d\n",
104 (int)flp->l_start, (int)flp->l_len, (int)flp->l_pid,
105 flp->l_type, flp->l_whence);
106}
107#endif
108
109static void
110cvt_iflock2flock(iflp, flp)
111 struct ibcs2_flock *iflp;
112 struct flock *flp;
113{
114 flp->l_start = (off_t)iflp->l_start;
115 flp->l_len = (off_t)iflp->l_len;
116 flp->l_pid = (pid_t)iflp->l_pid;
117 switch (iflp->l_type) {
118 case IBCS2_F_RDLCK:
119 flp->l_type = F_RDLCK;
120 break;
121 case IBCS2_F_WRLCK:
122 flp->l_type = F_WRLCK;
123 break;
124 case IBCS2_F_UNLCK:
125 flp->l_type = F_UNLCK;
126 break;
127 }
128 flp->l_whence = iflp->l_whence;
129}
130
131/* convert iBCS2 mode into NetBSD mode */
132static int
133ioflags2oflags(flags)
134 int flags;
135{
136 int r = 0;
137
138 if (flags & IBCS2_O_RDONLY) r |= O_RDONLY;
139 if (flags & IBCS2_O_WRONLY) r |= O_WRONLY;
140 if (flags & IBCS2_O_RDWR) r |= O_RDWR;
141 if (flags & IBCS2_O_NDELAY) r |= O_NONBLOCK;
142 if (flags & IBCS2_O_APPEND) r |= O_APPEND;
143 if (flags & IBCS2_O_SYNC) r |= O_FSYNC;
144 if (flags & IBCS2_O_NONBLOCK) r |= O_NONBLOCK;
145 if (flags & IBCS2_O_CREAT) r |= O_CREAT;
146 if (flags & IBCS2_O_TRUNC) r |= O_TRUNC;
147 if (flags & IBCS2_O_EXCL) r |= O_EXCL;
148 if (flags & IBCS2_O_NOCTTY) r |= O_NOCTTY;
149 return r;
150}
151
152/* convert NetBSD mode into iBCS2 mode */
153static int
154oflags2ioflags(flags)
155 int flags;
156{
157 int r = 0;
158
159 if (flags & O_RDONLY) r |= IBCS2_O_RDONLY;
160 if (flags & O_WRONLY) r |= IBCS2_O_WRONLY;
161 if (flags & O_RDWR) r |= IBCS2_O_RDWR;
162 if (flags & O_NDELAY) r |= IBCS2_O_NONBLOCK;
163 if (flags & O_APPEND) r |= IBCS2_O_APPEND;
164 if (flags & O_FSYNC) r |= IBCS2_O_SYNC;
165 if (flags & O_NONBLOCK) r |= IBCS2_O_NONBLOCK;
166 if (flags & O_CREAT) r |= IBCS2_O_CREAT;
167 if (flags & O_TRUNC) r |= IBCS2_O_TRUNC;
168 if (flags & O_EXCL) r |= IBCS2_O_EXCL;
169 if (flags & O_NOCTTY) r |= IBCS2_O_NOCTTY;
170 return r;
171}
172
173int
174ibcs2_open(p, uap, retval)
175 struct proc *p;
176 struct ibcs2_open_args *uap;
177 int *retval;
178{
179 int noctty = SCARG(uap, flags) & IBCS2_O_NOCTTY;
180 int ret;
181 caddr_t sg = stackgap_init();
182
183 SCARG(uap, flags) = cvt_o_flags(SCARG(uap, flags));
184 if (SCARG(uap, flags) & O_CREAT)
185 CHECKALTCREAT(p, &sg, SCARG(uap, path));
186 else
187 CHECKALTEXIST(p, &sg, SCARG(uap, path));
188 ret = open(p, (struct open_args *)uap, retval);
189
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196 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) {
197 struct filedesc *fdp = p->p_fd;
198 struct file *fp = fdp->fd_ofiles[*retval];
199
200 /* ignore any error, just give it a try */
201 if (fp->f_type == DTYPE_VNODE)
202 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t) 0, p);
203 }
204 return ret;
205}
206
207int
208ibcs2_creat(p, uap, retval)
209 struct proc *p;
210 struct ibcs2_creat_args *uap;
211 int *retval;
212{
213 struct open_args cup;
214 caddr_t sg = stackgap_init();
215
216 CHECKALTCREAT(p, &sg, SCARG(uap, path));
217 SCARG(&cup, path) = SCARG(uap, path);
218 SCARG(&cup, mode) = SCARG(uap, mode);
219 SCARG(&cup, flags) = O_WRONLY | O_CREAT | O_TRUNC;
220 return open(p, &cup, retval);
221}
222
223int
224ibcs2_access(p, uap, retval)
225 struct proc *p;
226 struct ibcs2_access_args *uap;
227 int *retval;
228{
229 struct access_args cup;
230 caddr_t sg = stackgap_init();
231
232 CHECKALTEXIST(p, &sg, SCARG(uap, path));
233 SCARG(&cup, path) = SCARG(uap, path);
234 SCARG(&cup, flags) = SCARG(uap, flags);
235 return access(p, &cup, retval);
236}
237
238int
239ibcs2_fcntl(p, uap, retval)
240 struct proc *p;
241 struct ibcs2_fcntl_args *uap;
242 int *retval;
243{
244 int error;
245 struct fcntl_args fa;
246 struct flock *flp;
247 struct ibcs2_flock ifl;
248
249 switch(SCARG(uap, cmd)) {
250 case IBCS2_F_DUPFD:
251 SCARG(&fa, fd) = SCARG(uap, fd);
252 SCARG(&fa, cmd) = F_DUPFD;
253 SCARG(&fa, arg) = SCARG(uap, arg);
254 return fcntl(p, &fa, retval);
255 case IBCS2_F_GETFD:
256 SCARG(&fa, fd) = SCARG(uap, fd);
257 SCARG(&fa, cmd) = F_GETFD;
258 SCARG(&fa, arg) = SCARG(uap, arg);
259 return fcntl(p, &fa, retval);
260 case IBCS2_F_SETFD:
261 SCARG(&fa, fd) = SCARG(uap, fd);
262 SCARG(&fa, cmd) = F_SETFD;
263 SCARG(&fa, arg) = SCARG(uap, arg);
264 return fcntl(p, &fa, retval);
265 case IBCS2_F_GETFL:
266 SCARG(&fa, fd) = SCARG(uap, fd);
267 SCARG(&fa, cmd) = F_GETFL;
268 SCARG(&fa, arg) = SCARG(uap, arg);
269 error = fcntl(p, &fa, retval);
270 if (error)
271 return error;
272 *retval = oflags2ioflags(*retval);
273 return error;
274 case IBCS2_F_SETFL:
275 SCARG(&fa, fd) = SCARG(uap, fd);
276 SCARG(&fa, cmd) = F_SETFL;
277 SCARG(&fa, arg) = (void *)ioflags2oflags((int)SCARG(uap, arg));
278 return fcntl(p, &fa, retval);
279
280 case IBCS2_F_GETLK:
281 {
282 caddr_t sg = stackgap_init();
283 flp = stackgap_alloc(&sg, sizeof(*flp));
284 error = copyin((caddr_t)SCARG(uap, arg), (caddr_t)&ifl,
285 ibcs2_flock_len);
286 if (error)
287 return error;
288 cvt_iflock2flock(&ifl, flp);
289 SCARG(&fa, fd) = SCARG(uap, fd);
290 SCARG(&fa, cmd) = F_GETLK;
291 SCARG(&fa, arg) = (void *)flp;
292 error = fcntl(p, &fa, retval);
293 if (error)
294 return error;
295 cvt_flock2iflock(flp, &ifl);
296 return copyout((caddr_t)&ifl, (caddr_t)SCARG(uap, arg),
297 ibcs2_flock_len);
298 }
299
300 case IBCS2_F_SETLK:
301 {
302 caddr_t sg = stackgap_init();
303 flp = stackgap_alloc(&sg, sizeof(*flp));
304 error = copyin((caddr_t)SCARG(uap, arg), (caddr_t)&ifl,
305 ibcs2_flock_len);
306 if (error)
307 return error;
308 cvt_iflock2flock(&ifl, flp);
309 SCARG(&fa, fd) = SCARG(uap, fd);
310 SCARG(&fa, cmd) = F_SETLK;
311 SCARG(&fa, arg) = (void *)flp;
312
313 return fcntl(p, &fa, retval);
314 }
315
316 case IBCS2_F_SETLKW:
317 {
318 caddr_t sg = stackgap_init();
319 flp = stackgap_alloc(&sg, sizeof(*flp));
320 error = copyin((caddr_t)SCARG(uap, arg), (caddr_t)&ifl,
321 ibcs2_flock_len);
322 if (error)
323 return error;
324 cvt_iflock2flock(&ifl, flp);
325 SCARG(&fa, fd) = SCARG(uap, fd);
326 SCARG(&fa, cmd) = F_SETLKW;
327 SCARG(&fa, arg) = (void *)flp;
328 return fcntl(p, &fa, retval);
329 }
330 }
331 return ENOSYS;
332}
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