sunos_misc.c revision 1.130.6.1 1 /* $NetBSD: sunos_misc.c,v 1.130.6.1 2005/03/19 08:33:45 yamt Exp $ */
2
3 /*
4 * Copyright (c) 1992, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This software was developed by the Computer Systems Engineering group
8 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
9 * contributed to Berkeley.
10 *
11 * All advertising materials mentioning features or use of this software
12 * must display the following acknowledgement:
13 * This product includes software developed by the University of
14 * California, Lawrence Berkeley Laboratory.
15 *
16 * Redistribution and use in source and binary forms, with or without
17 * modification, are permitted provided that the following conditions
18 * are met:
19 * 1. Redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer.
21 * 2. Redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution.
24 * 3. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 *
40 * @(#)sunos_misc.c 8.1 (Berkeley) 6/18/93
41 *
42 * Header: sunos_misc.c,v 1.16 93/04/07 02:46:27 torek Exp
43 */
44
45 /*
46 * SunOS compatibility module.
47 *
48 * SunOS system calls that are implemented differently in BSD are
49 * handled here.
50 */
51
52 #include <sys/cdefs.h>
53 __KERNEL_RCSID(0, "$NetBSD: sunos_misc.c,v 1.130.6.1 2005/03/19 08:33:45 yamt Exp $");
54
55 #if defined(_KERNEL_OPT)
56 #include "opt_nfsserver.h"
57 #include "fs_nfs.h"
58 #endif
59
60 #include <sys/param.h>
61 #include <sys/systm.h>
62 #include <sys/namei.h>
63 #include <sys/proc.h>
64 #include <sys/dirent.h>
65 #include <sys/file.h>
66 #include <sys/stat.h>
67 #include <sys/filedesc.h>
68 #include <sys/ioctl.h>
69 #include <sys/kernel.h>
70 #include <sys/reboot.h>
71 #include <sys/malloc.h>
72 #include <sys/mbuf.h>
73 #include <sys/mman.h>
74 #include <sys/mount.h>
75 #include <sys/ptrace.h>
76 #include <sys/resource.h>
77 #include <sys/resourcevar.h>
78 #include <sys/signal.h>
79 #include <sys/signalvar.h>
80 #include <sys/socket.h>
81 #include <sys/tty.h>
82 #include <sys/vnode.h>
83 #include <sys/uio.h>
84 #include <sys/wait.h>
85 #include <sys/utsname.h>
86 #include <sys/unistd.h>
87 #include <sys/sa.h>
88 #include <sys/syscallargs.h>
89 #include <sys/conf.h>
90 #include <sys/socketvar.h>
91 #include <sys/exec.h>
92 #include <sys/swap.h>
93
94 #include <compat/sunos/sunos.h>
95 #include <compat/sunos/sunos_syscallargs.h>
96 #include <compat/common/compat_util.h>
97 #include <compat/sunos/sunos_dirent.h>
98
99 #include <netinet/in.h>
100
101 #include <miscfs/specfs/specdev.h>
102
103 #include <nfs/rpcv2.h>
104 #include <nfs/nfsproto.h>
105 #include <nfs/nfs.h>
106 #include <nfs/nfsmount.h>
107
108 static int sunstatfs __P((struct statvfs *, caddr_t));
109
110 int
111 sunos_sys_stime(l, v, retval)
112 struct lwp *l;
113 void *v;
114 register_t *retval;
115 {
116 struct sunos_sys_stime_args *uap = v;
117 struct sys_settimeofday_args ap;
118 struct proc *p = l->l_proc;
119 caddr_t sg = stackgap_init(p, 0);
120 struct timeval tv, *sgtvp;
121 int error;
122
123 error = copyin(SCARG(uap, tp), &tv.tv_sec, sizeof(tv.tv_sec));
124 if (error)
125 return error;
126 tv.tv_usec = 0;
127
128 SCARG(&ap, tv) = sgtvp = stackgap_alloc(p, &sg, sizeof(struct timeval));
129 SCARG(&ap, tzp) = NULL;
130
131 error = copyout(&tv, sgtvp, sizeof(struct timeval));
132 if (error)
133 return error;
134
135 return sys_settimeofday(l, &ap, retval);
136 }
137
138 int
139 sunos_sys_wait4(l, v, retval)
140 struct lwp *l;
141 void *v;
142 register_t *retval;
143 {
144 struct sunos_sys_wait4_args *uap = v;
145 if (SCARG(uap, pid) == 0)
146 SCARG(uap, pid) = WAIT_ANY;
147 return (sys_wait4(l, uap, retval));
148 }
149
150 int
151 sunos_sys_creat(l, v, retval)
152 struct lwp *l;
153 void *v;
154 register_t *retval;
155 {
156 struct sunos_sys_creat_args *uap = v;
157 struct proc *p = l->l_proc;
158 struct sys_open_args ouap;
159
160 caddr_t sg = stackgap_init(p, 0);
161 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path));
162
163 SCARG(&ouap, path) = SCARG(uap, path);
164 SCARG(&ouap, flags) = O_WRONLY | O_CREAT | O_TRUNC;
165 SCARG(&ouap, mode) = SCARG(uap, mode);
166
167 return (sys_open(l, &ouap, retval));
168 }
169
170 int
171 sunos_sys_access(l, v, retval)
172 struct lwp *l;
173 void *v;
174 register_t *retval;
175 {
176 struct sunos_sys_access_args *uap = v;
177 struct proc *p = l->l_proc;
178 caddr_t sg = stackgap_init(p, 0);
179 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
180
181 return (sys_access(l, uap, retval));
182 }
183
184 int
185 sunos_sys_stat(l, v, retval)
186 struct lwp *l;
187 void *v;
188 register_t *retval;
189 {
190 struct sunos_sys_stat_args *uap = v;
191 struct proc *p = l->l_proc;
192 caddr_t sg = stackgap_init(p, 0);
193 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
194
195 return (compat_43_sys_stat(l, uap, retval));
196 }
197
198 int
199 sunos_sys_lstat(l, v, retval)
200 struct lwp *l;
201 void *v;
202 register_t *retval;
203 {
204 struct sunos_sys_lstat_args *uap = v;
205 struct proc *p = l->l_proc;
206 caddr_t sg = stackgap_init(p, 0);
207 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
208
209 return (compat_43_sys_lstat(l, uap, retval));
210 }
211
212 int
213 sunos_sys_execv(l, v, retval)
214 struct lwp *l;
215 void *v;
216 register_t *retval;
217 {
218 struct sunos_sys_execv_args /* {
219 syscallarg(const char *) path;
220 syscallarg(char **) argv;
221 } */ *uap = v;
222 struct proc *p = l->l_proc;
223 struct sys_execve_args ap;
224 caddr_t sg;
225
226 sg = stackgap_init(p, 0);
227 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
228
229 SCARG(&ap, path) = SCARG(uap, path);
230 SCARG(&ap, argp) = SCARG(uap, argp);
231 SCARG(&ap, envp) = NULL;
232
233 return (sys_execve(l, &ap, retval));
234 }
235
236 int
237 sunos_sys_execve(l, v, retval)
238 struct lwp *l;
239 void *v;
240 register_t *retval;
241 {
242 struct sunos_sys_execve_args /* {
243 syscallarg(const char *) path;
244 syscallarg(char **) argv;
245 syscallarg(char **) envp;
246 } */ *uap = v;
247 struct sys_execve_args ap;
248 struct proc *p = l->l_proc;
249 caddr_t sg;
250
251 sg = stackgap_init(p, 0);
252 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
253
254 SCARG(&ap, path) = SCARG(uap, path);
255 SCARG(&ap, argp) = SCARG(uap, argp);
256 SCARG(&ap, envp) = SCARG(uap, envp);
257
258 return (sys_execve(l, &ap, retval));
259 }
260
261 int
262 sunos_sys_omsync(l, v, retval)
263 struct lwp *l;
264 void *v;
265 register_t *retval;
266 {
267 struct sunos_sys_omsync_args *uap = v;
268 struct sys___msync13_args ouap;
269
270 SCARG(&ouap, addr) = SCARG(uap, addr);
271 SCARG(&ouap, len) = SCARG(uap, len);
272 SCARG(&ouap, flags) = SCARG(uap, flags);
273
274 return (sys___msync13(l, &ouap, retval));
275 }
276
277 int
278 sunos_sys_unmount(l, v, retval)
279 struct lwp *l;
280 void *v;
281 register_t *retval;
282 {
283 struct sunos_sys_unmount_args *uap = v;
284 struct sys_unmount_args ouap;
285
286 SCARG(&ouap, path) = SCARG(uap, path);
287 SCARG(&ouap, flags) = 0;
288
289 return (sys_unmount(l, &ouap, retval));
290 }
291
292 /*
293 * Conversion table for SunOS NFS mount flags.
294 */
295 static struct {
296 int sun_flg;
297 int bsd_flg;
298 } sunnfs_flgtab[] = {
299 { SUNNFS_SOFT, NFSMNT_SOFT },
300 { SUNNFS_WSIZE, NFSMNT_WSIZE },
301 { SUNNFS_RSIZE, NFSMNT_RSIZE },
302 { SUNNFS_TIMEO, NFSMNT_TIMEO },
303 { SUNNFS_RETRANS, NFSMNT_RETRANS },
304 { SUNNFS_HOSTNAME, 0 }, /* Ignored */
305 { SUNNFS_INT, NFSMNT_INT },
306 { SUNNFS_NOAC, 0 }, /* Ignored */
307 { SUNNFS_ACREGMIN, 0 }, /* Ignored */
308 { SUNNFS_ACREGMAX, 0 }, /* Ignored */
309 { SUNNFS_ACDIRMIN, 0 }, /* Ignored */
310 { SUNNFS_ACDIRMAX, 0 }, /* Ignored */
311 { SUNNFS_SECURE, 0 }, /* Ignored */
312 { SUNNFS_NOCTO, 0 }, /* Ignored */
313 { SUNNFS_POSIX, 0 } /* Ignored */
314 };
315
316 int
317 sunos_sys_mount(l, v, retval)
318 struct lwp *l;
319 void *v;
320 register_t *retval;
321 {
322 struct sunos_sys_mount_args *uap = v;
323 struct proc *p = l->l_proc;
324 int oflags = SCARG(uap, flags), nflags, error;
325 char fsname[MFSNAMELEN];
326 caddr_t sg = stackgap_init(p, 0);
327
328 if (oflags & (SUNM_NOSUB | SUNM_SYS5))
329 return (EINVAL);
330 if ((oflags & SUNM_NEWTYPE) == 0)
331 return (EINVAL);
332 nflags = 0;
333 if (oflags & SUNM_RDONLY)
334 nflags |= MNT_RDONLY;
335 if (oflags & SUNM_NOSUID)
336 nflags |= MNT_NOSUID;
337 if (oflags & SUNM_REMOUNT)
338 nflags |= MNT_UPDATE;
339 SCARG(uap, flags) = nflags;
340
341 error = copyinstr((caddr_t)SCARG(uap, type), fsname,
342 sizeof fsname, (size_t *)0);
343 if (error)
344 return (error);
345
346 if (strncmp(fsname, "4.2", sizeof fsname) == 0) {
347 SCARG(uap, type) = stackgap_alloc(p, &sg, sizeof("ffs"));
348 error = copyout("ffs", SCARG(uap, type), sizeof("ffs"));
349 if (error)
350 return (error);
351 } else if (strncmp(fsname, "nfs", sizeof fsname) == 0) {
352 struct sunos_nfs_args sna;
353 struct sockaddr_in sain;
354 struct nfs_args na;
355 struct sockaddr sa;
356 int n;
357
358 error = copyin(SCARG(uap, data), &sna, sizeof sna);
359 if (error)
360 return (error);
361 error = copyin(sna.addr, &sain, sizeof sain);
362 if (error)
363 return (error);
364 memcpy(&sa, &sain, sizeof sa);
365 sa.sa_len = sizeof(sain);
366 SCARG(uap, data) = stackgap_alloc(p, &sg, sizeof(na));
367 na.version = NFS_ARGSVERSION;
368 na.addr = stackgap_alloc(p, &sg, sizeof(struct sockaddr));
369 na.addrlen = sizeof(struct sockaddr);
370 na.sotype = SOCK_DGRAM;
371 na.proto = IPPROTO_UDP;
372 na.fh = (void *)sna.fh;
373 na.fhsize = NFSX_V2FH;
374 na.flags = 0;
375 n = sizeof(sunnfs_flgtab) / sizeof(sunnfs_flgtab[0]);
376 while (--n >= 0)
377 if (sna.flags & sunnfs_flgtab[n].sun_flg)
378 na.flags |= sunnfs_flgtab[n].bsd_flg;
379 na.wsize = sna.wsize;
380 na.rsize = sna.rsize;
381 if (na.flags & NFSMNT_RSIZE) {
382 na.flags |= NFSMNT_READDIRSIZE;
383 na.readdirsize = na.rsize;
384 }
385 na.timeo = sna.timeo;
386 na.retrans = sna.retrans;
387 na.hostname = (char *)(u_long)sna.hostname;
388
389 error = copyout(&sa, na.addr, sizeof sa);
390 if (error)
391 return (error);
392 error = copyout(&na, SCARG(uap, data), sizeof na);
393 if (error)
394 return (error);
395 }
396 return (sys_mount(l, (struct sys_mount_args *)uap, retval));
397 }
398
399 #if defined(NFS)
400 int
401 async_daemon(l, v, retval)
402 struct lwp *l;
403 void *v;
404 register_t *retval;
405 {
406 struct sys_nfssvc_args ouap;
407
408 SCARG(&ouap, flag) = NFSSVC_BIOD;
409 SCARG(&ouap, argp) = NULL;
410
411 return (sys_nfssvc(l, &ouap, retval));
412 }
413 #endif /* NFS */
414
415 void native_to_sunos_sigset __P((const sigset_t *, int *));
416 void sunos_to_native_sigset __P((const int, sigset_t *));
417
418 __inline__ void
419 native_to_sunos_sigset(ss, mask)
420 const sigset_t *ss;
421 int *mask;
422 {
423 *mask = ss->__bits[0];
424 }
425
426 __inline__ void
427 sunos_to_native_sigset(mask, ss)
428 const int mask;
429 sigset_t *ss;
430 {
431
432 ss->__bits[0] = mask;
433 ss->__bits[1] = 0;
434 ss->__bits[2] = 0;
435 ss->__bits[3] = 0;
436 }
437
438 int
439 sunos_sys_sigpending(l, v, retval)
440 struct lwp *l;
441 void *v;
442 register_t *retval;
443 {
444 struct sunos_sys_sigpending_args *uap = v;
445 sigset_t ss;
446 int mask;
447
448 sigpending1(l->l_proc, &ss);
449 native_to_sunos_sigset(&ss, &mask);
450
451 return (copyout((caddr_t)&mask, (caddr_t)SCARG(uap, mask), sizeof(int)));
452 }
453
454 int
455 sunos_sys_sigsuspend(l, v, retval)
456 struct lwp *l;
457 void *v;
458 register_t *retval;
459 {
460 struct sunos_sys_sigsuspend_args /* {
461 syscallarg(int) mask;
462 } */ *uap = v;
463 int mask;
464 sigset_t ss;
465
466 mask = SCARG(uap, mask);
467 sunos_to_native_sigset(mask, &ss);
468 return (sigsuspend1(l->l_proc, &ss));
469 }
470
471 /*
472 * Read Sun-style directory entries. We suck them into kernel space so
473 * that they can be massaged before being copied out to user code. Like
474 * SunOS, we squish out `empty' entries.
475 *
476 * This is quite ugly, but what do you expect from compatibility code?
477 */
478 int
479 sunos_sys_getdents(l, v, retval)
480 struct lwp *l;
481 void *v;
482 register_t *retval;
483 {
484 struct sunos_sys_getdents_args *uap = v;
485 struct proc *p = l->l_proc;
486 struct dirent *bdp;
487 struct vnode *vp;
488 caddr_t inp, buf; /* BSD-format */
489 int len, reclen; /* BSD-format */
490 caddr_t outp; /* Sun-format */
491 int resid, sunos_reclen;/* Sun-format */
492 struct file *fp;
493 struct uio auio;
494 struct iovec aiov;
495 struct sunos_dirent idb;
496 off_t off; /* true file offset */
497 int buflen, error, eofflag;
498 off_t *cookiebuf, *cookie;
499 int ncookies;
500
501 /* getvnode() will use the descriptor for us */
502 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0)
503 return (error);
504
505 if ((fp->f_flag & FREAD) == 0) {
506 error = EBADF;
507 goto out1;
508 }
509
510 vp = (struct vnode *)fp->f_data;
511 if (vp->v_type != VDIR) {
512 error = EINVAL;
513 goto out1;
514 }
515
516 buflen = min(MAXBSIZE, SCARG(uap, nbytes));
517 buf = malloc(buflen, M_TEMP, M_WAITOK);
518 vn_lock(vp, LK_EXCLUSIVE | LK_RETRY);
519 off = fp->f_offset;
520 again:
521 aiov.iov_base = buf;
522 aiov.iov_len = buflen;
523 auio.uio_iov = &aiov;
524 auio.uio_iovcnt = 1;
525 auio.uio_rw = UIO_READ;
526 auio.uio_segflg = UIO_SYSSPACE;
527 auio.uio_procp = NULL;
528 auio.uio_resid = buflen;
529 auio.uio_offset = off;
530 /*
531 * First we read into the malloc'ed buffer, then
532 * we massage it into user space, one record at a time.
533 */
534 error = VOP_READDIR(vp, &auio, fp->f_cred, &eofflag, &cookiebuf,
535 &ncookies);
536 if (error)
537 goto out;
538
539 inp = buf;
540 outp = SCARG(uap, buf);
541 resid = SCARG(uap, nbytes);
542 if ((len = buflen - auio.uio_resid) == 0)
543 goto eof;
544
545 for (cookie = cookiebuf; len > 0; len -= reclen) {
546 bdp = (struct dirent *)inp;
547 reclen = bdp->d_reclen;
548 if (reclen & 3)
549 panic("sunos_getdents");
550 if ((*cookie >> 32) != 0) {
551 compat_offseterr(vp, "sunos_getdents");
552 error = EINVAL;
553 goto out;
554 }
555 if (bdp->d_fileno == 0) {
556 inp += reclen; /* it is a hole; squish it out */
557 off = *cookie++;
558 continue;
559 }
560 sunos_reclen = SUNOS_RECLEN(&idb, bdp->d_namlen);
561 if (reclen > len || resid < sunos_reclen) {
562 /* entry too big for buffer, so just stop */
563 outp++;
564 break;
565 }
566 off = *cookie++; /* each entry points to next */
567 /*
568 * Massage in place to make a Sun-shaped dirent (otherwise
569 * we have to worry about touching user memory outside of
570 * the copyout() call).
571 */
572 idb.d_fileno = bdp->d_fileno;
573 idb.d_off = off;
574 idb.d_reclen = sunos_reclen;
575 idb.d_namlen = bdp->d_namlen;
576 strlcpy(idb.d_name, bdp->d_name, sizeof(idb.d_name));
577 if ((error = copyout((caddr_t)&idb, outp, sunos_reclen)) != 0)
578 goto out;
579 /* advance past this real entry */
580 inp += reclen;
581 /* advance output past Sun-shaped entry */
582 outp += sunos_reclen;
583 resid -= sunos_reclen;
584 }
585
586 /* if we squished out the whole block, try again */
587 if (outp == SCARG(uap, buf))
588 goto again;
589 fp->f_offset = off; /* update the vnode offset */
590
591 eof:
592 *retval = SCARG(uap, nbytes) - resid;
593 out:
594 VOP_UNLOCK(vp, 0);
595 free(cookiebuf, M_TEMP);
596 free(buf, M_TEMP);
597 out1:
598 FILE_UNUSE(fp, p);
599 return (error);
600 }
601
602 #define SUNOS__MAP_NEW 0x80000000 /* if not, old mmap & cannot handle */
603
604 int
605 sunos_sys_mmap(l, v, retval)
606 struct lwp *l;
607 void *v;
608 register_t *retval;
609 {
610 struct sunos_sys_mmap_args *uap = v;
611 struct sys_mmap_args ouap;
612
613 /*
614 * Verify the arguments.
615 */
616 if (SCARG(uap, prot) & ~(PROT_READ|PROT_WRITE|PROT_EXEC))
617 return (EINVAL); /* XXX still needed? */
618
619 if ((SCARG(uap, flags) & SUNOS__MAP_NEW) == 0)
620 return (EINVAL);
621
622 SCARG(&ouap, flags) = SCARG(uap, flags) & ~SUNOS__MAP_NEW;
623 SCARG(&ouap, addr) = SCARG(uap, addr);
624 SCARG(&ouap, len) = SCARG(uap, len);
625 SCARG(&ouap, prot) = SCARG(uap, prot);
626 SCARG(&ouap, fd) = SCARG(uap, fd);
627 SCARG(&ouap, pos) = SCARG(uap, pos);
628
629 return (sys_mmap(l, &ouap, retval));
630 }
631
632 #define MC_SYNC 1
633 #define MC_LOCK 2
634 #define MC_UNLOCK 3
635 #define MC_ADVISE 4
636 #define MC_LOCKAS 5
637 #define MC_UNLOCKAS 6
638
639 int
640 sunos_sys_mctl(l, v, retval)
641 struct lwp *l;
642 void *v;
643 register_t *retval;
644 {
645 struct sunos_sys_mctl_args *uap = v;
646
647 switch (SCARG(uap, func)) {
648 case MC_ADVISE: /* ignore for now */
649 return (0);
650 case MC_SYNC: /* translate to msync */
651 return (sys___msync13(l, uap, retval));
652 default:
653 return (EINVAL);
654 }
655 }
656
657 int
658 sunos_sys_setsockopt(l, v, retval)
659 struct lwp *l;
660 void *v;
661 register_t *retval;
662 {
663 struct sunos_sys_setsockopt_args *uap = v;
664 struct proc *p = l->l_proc;
665 struct file *fp;
666 struct mbuf *m = NULL;
667 int error;
668
669 /* getsock() will use the descriptor for us */
670 if ((error = getsock(p->p_fd, SCARG(uap, s), &fp)) != 0)
671 return (error);
672 #define SO_DONTLINGER (~SO_LINGER)
673 if (SCARG(uap, name) == SO_DONTLINGER) {
674 m = m_get(M_WAIT, MT_SOOPTS);
675 mtod(m, struct linger *)->l_onoff = 0;
676 m->m_len = sizeof(struct linger);
677 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level),
678 SO_LINGER, m);
679 goto out;
680 }
681 if (SCARG(uap, level) == IPPROTO_IP) {
682 #define SUNOS_IP_MULTICAST_IF 2
683 #define SUNOS_IP_MULTICAST_TTL 3
684 #define SUNOS_IP_MULTICAST_LOOP 4
685 #define SUNOS_IP_ADD_MEMBERSHIP 5
686 #define SUNOS_IP_DROP_MEMBERSHIP 6
687 static const int ipoptxlat[] = {
688 IP_MULTICAST_IF,
689 IP_MULTICAST_TTL,
690 IP_MULTICAST_LOOP,
691 IP_ADD_MEMBERSHIP,
692 IP_DROP_MEMBERSHIP
693 };
694 if (SCARG(uap, name) >= SUNOS_IP_MULTICAST_IF &&
695 SCARG(uap, name) <= SUNOS_IP_DROP_MEMBERSHIP) {
696 SCARG(uap, name) =
697 ipoptxlat[SCARG(uap, name) - SUNOS_IP_MULTICAST_IF];
698 }
699 }
700 if (SCARG(uap, valsize) > MLEN) {
701 error = EINVAL;
702 goto out;
703 }
704 if (SCARG(uap, val)) {
705 m = m_get(M_WAIT, MT_SOOPTS);
706 error = copyin(SCARG(uap, val), mtod(m, caddr_t),
707 (u_int)SCARG(uap, valsize));
708 if (error) {
709 (void) m_free(m);
710 goto out;
711 }
712 m->m_len = SCARG(uap, valsize);
713 }
714 error = sosetopt((struct socket *)fp->f_data, SCARG(uap, level),
715 SCARG(uap, name), m);
716 out:
717 FILE_UNUSE(fp, p);
718 return (error);
719 }
720
721 static __inline__ int sunos_sys_socket_common(struct lwp *, register_t *,
722 int type);
723 static __inline__ int
724 sunos_sys_socket_common(l, retval, type)
725 struct lwp *l;
726 register_t *retval;
727 int type;
728 {
729 struct socket *so;
730 struct file *fp;
731 int error, fd;
732
733 /* getsock() will use the descriptor for us */
734 fd = (int)*retval;
735 if ((error = getsock(l->l_proc->p_fd, fd, &fp)) == 0) {
736 so = (struct socket *)fp->f_data;
737 if (type == SOCK_DGRAM)
738 so->so_options |= SO_BROADCAST;
739 }
740 FILE_UNUSE(fp, l->l_proc);
741 return (error);
742 }
743
744 int
745 sunos_sys_socket(l, v, retval)
746 struct lwp *l;
747 void *v;
748 register_t *retval;
749 {
750 struct sunos_sys_socket_args /* {
751 syscallarg(int) domain;
752 syscallarg(int) type;
753 syscallarg(int) protocol;
754 } */ *uap = v;
755 int error;
756
757 error = sys_socket(l, v, retval);
758 if (error)
759 return (error);
760 return sunos_sys_socket_common(l, retval, SCARG(uap, type));
761 }
762
763 int
764 sunos_sys_socketpair(l, v, retval)
765 struct lwp *l;
766 void *v;
767 register_t *retval;
768 {
769 struct sunos_sys_socketpair_args /* {
770 syscallarg(int) domain;
771 syscallarg(int) type;
772 syscallarg(int) protocol;
773 syscallarg(int *) rsv;
774 } */ *uap = v;
775 int error;
776
777 error = sys_socketpair(l, v, retval);
778 if (error)
779 return (error);
780 return sunos_sys_socket_common(l, retval, SCARG(uap, type));
781 }
782
783 /*
784 * XXX: This needs cleaning up.
785 */
786 int
787 sunos_sys_auditsys(l, v, retval)
788 struct lwp *l;
789 void *v;
790 register_t *retval;
791 {
792 return 0;
793 }
794
795 int
796 sunos_sys_uname(l, v, retval)
797 struct lwp *l;
798 void *v;
799 register_t *retval;
800 {
801 struct sunos_sys_uname_args *uap = v;
802 struct sunos_utsname sut;
803
804 memset(&sut, 0, sizeof(sut));
805
806 memcpy(sut.sysname, ostype, sizeof(sut.sysname) - 1);
807 memcpy(sut.nodename, hostname, sizeof(sut.nodename));
808 sut.nodename[sizeof(sut.nodename)-1] = '\0';
809 memcpy(sut.release, osrelease, sizeof(sut.release) - 1);
810 memcpy(sut.version, "1", sizeof(sut.version) - 1);
811 memcpy(sut.machine, machine, sizeof(sut.machine) - 1);
812
813 return copyout((caddr_t)&sut, (caddr_t)SCARG(uap, name),
814 sizeof(struct sunos_utsname));
815 }
816
817 int
818 sunos_sys_setpgrp(l, v, retval)
819 struct lwp *l;
820 void *v;
821 register_t *retval;
822 {
823 struct sunos_sys_setpgrp_args *uap = v;
824 struct proc *p = l->l_proc;
825
826 /*
827 * difference to our setpgid call is to include backwards
828 * compatibility to pre-setsid() binaries. Do setsid()
829 * instead of setpgid() in those cases where the process
830 * tries to create a new session the old way.
831 */
832 if (!SCARG(uap, pgid) &&
833 (!SCARG(uap, pid) || SCARG(uap, pid) == p->p_pid))
834 return sys_setsid(l, uap, retval);
835 else
836 return sys_setpgid(l, uap, retval);
837 }
838
839 int
840 sunos_sys_open(l, v, retval)
841 struct lwp *l;
842 void *v;
843 register_t *retval;
844 {
845 struct sunos_sys_open_args *uap = v;
846 struct proc *p = l->l_proc;
847 int smode, nmode;
848 int noctty;
849 int ret;
850
851 caddr_t sg = stackgap_init(p, 0);
852
853 /* convert mode into NetBSD mode */
854 smode = SCARG(uap, flags);
855 noctty = smode & 0x8000;
856 nmode = smode &
857 (0x0001 | 0x0002 | 0x0008 | 0x0040 | 0x0200 | 0x0400 | 0x0800);
858 nmode |= ((smode & (0x0004 | 0x1000 | 0x4000)) ? O_NONBLOCK : 0);
859 nmode |= ((smode & 0x0080) ? O_SHLOCK : 0);
860 nmode |= ((smode & 0x0100) ? O_EXLOCK : 0);
861 nmode |= ((smode & 0x2000) ? O_FSYNC : 0);
862
863 if (nmode & O_CREAT)
864 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path));
865 else
866 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
867
868 SCARG(uap, flags) = nmode;
869 ret = sys_open(l, (struct sys_open_args *)uap, retval);
870
871 if (!ret && !noctty && SESS_LEADER(p) && !(p->p_flag & P_CONTROLT)) {
872 struct filedesc *fdp = p->p_fd;
873 struct file *fp;
874
875 fp = fd_getfile(fdp, *retval);
876 simple_unlock(&fp->f_slock);
877
878 /* ignore any error, just give it a try */
879 if (fp != NULL && fp->f_type == DTYPE_VNODE)
880 (fp->f_ops->fo_ioctl)(fp, TIOCSCTTY, (caddr_t)0, p);
881 }
882 return ret;
883 }
884
885 #if defined (NFSSERVER)
886 int
887 sunos_sys_nfssvc(l, v, retval)
888 struct lwp *l;
889 void *v;
890 register_t *retval;
891 {
892 #if 0
893 struct sunos_sys_nfssvc_args *uap = v;
894 struct proc *p = l->l_proc;
895 struct emul *e = p->p_emul;
896 struct sys_nfssvc_args outuap;
897 struct sockaddr sa;
898 int error;
899 caddr_t sg = stackgap_init(p, 0);
900
901 memset(&outuap, 0, sizeof outuap);
902 SCARG(&outuap, fd) = SCARG(uap, fd);
903 SCARG(&outuap, mskval) = stackgap_alloc(p, &sg, sizeof(sa));
904 SCARG(&outuap, msklen) = sizeof(sa);
905 SCARG(&outuap, mtchval) = stackgap_alloc(p, &sg, sizeof(sa));
906 SCARG(&outuap, mtchlen) = sizeof(sa);
907
908 memset(&sa, 0, sizeof sa);
909 if (error = copyout(&sa, SCARG(&outuap, mskval), SCARG(&outuap, msklen)))
910 return (error);
911 if (error = copyout(&sa, SCARG(&outuap, mtchval), SCARG(&outuap, mtchlen)))
912 return (error);
913
914 return nfssvc(l, &outuap, retval);
915 #else
916 return (ENOSYS);
917 #endif
918 }
919 #endif /* NFSSERVER */
920
921 int
922 sunos_sys_ustat(l, v, retval)
923 struct lwp *l;
924 void *v;
925 register_t *retval;
926 {
927 struct sunos_sys_ustat_args *uap = v;
928 struct sunos_ustat us;
929 int error;
930
931 memset(&us, 0, sizeof us);
932
933 /*
934 * XXX: should set f_tfree and f_tinode at least
935 * How do we translate dev -> fstat? (and then to sunos_ustat)
936 */
937
938 if ((error = copyout(&us, SCARG(uap, buf), sizeof us)) != 0)
939 return (error);
940 return 0;
941 }
942
943 int
944 sunos_sys_quotactl(l, v, retval)
945 struct lwp *l;
946 void *v;
947 register_t *retval;
948 {
949
950 return EINVAL;
951 }
952
953 int
954 sunos_sys_vhangup(l, v, retval)
955 struct lwp *l;
956 void *v;
957 register_t *retval;
958 {
959 struct proc *p = l->l_proc;
960 struct session *sp = p->p_session;
961
962 if (sp->s_ttyvp == 0)
963 return 0;
964
965 if (sp->s_ttyp && sp->s_ttyp->t_session == sp && sp->s_ttyp->t_pgrp)
966 pgsignal(sp->s_ttyp->t_pgrp, SIGHUP, 1);
967
968 (void) ttywait(sp->s_ttyp);
969 if (sp->s_ttyvp)
970 VOP_REVOKE(sp->s_ttyvp, REVOKEALL);
971 if (sp->s_ttyvp)
972 vrele(sp->s_ttyvp);
973 sp->s_ttyvp = NULL;
974
975 return 0;
976 }
977
978 static int
979 sunstatfs(sp, buf)
980 struct statvfs *sp;
981 caddr_t buf;
982 {
983 struct sunos_statfs ssfs;
984
985 memset(&ssfs, 0, sizeof ssfs);
986 ssfs.f_type = 0;
987 ssfs.f_bsize = sp->f_bsize;
988 ssfs.f_blocks = sp->f_blocks;
989 ssfs.f_bfree = sp->f_bfree;
990 ssfs.f_bavail = sp->f_bavail;
991 ssfs.f_files = sp->f_files;
992 ssfs.f_ffree = sp->f_ffree;
993 ssfs.f_fsid = sp->f_fsidx;
994 return copyout((caddr_t)&ssfs, buf, sizeof ssfs);
995 }
996
997 int
998 sunos_sys_statfs(l, v, retval)
999 struct lwp *l;
1000 void *v;
1001 register_t *retval;
1002 {
1003 struct sunos_sys_statfs_args *uap = v;
1004 struct proc *p = l->l_proc;
1005 struct mount *mp;
1006 struct statvfs *sp;
1007 int error;
1008 struct nameidata nd;
1009
1010 caddr_t sg = stackgap_init(p, 0);
1011 CHECK_ALT_EXIST(p, &sg, SCARG(uap, path));
1012
1013 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE, SCARG(uap, path), p);
1014 if ((error = namei(&nd)) != 0)
1015 return (error);
1016 mp = nd.ni_vp->v_mount;
1017 sp = &mp->mnt_stat;
1018 vrele(nd.ni_vp);
1019 if ((error = VFS_STATVFS(mp, sp, p)) != 0)
1020 return (error);
1021 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK;
1022 return sunstatfs(sp, (caddr_t)SCARG(uap, buf));
1023 }
1024
1025 int
1026 sunos_sys_fstatfs(l, v, retval)
1027 struct lwp *l;
1028 void *v;
1029 register_t *retval;
1030 {
1031 struct sunos_sys_fstatfs_args *uap = v;
1032 struct proc *p = l->l_proc;
1033 struct file *fp;
1034 struct mount *mp;
1035 struct statvfs *sp;
1036 int error;
1037
1038 /* getvnode() will use the descriptor for us */
1039 if ((error = getvnode(p->p_fd, SCARG(uap, fd), &fp)) != 0)
1040 return (error);
1041 mp = ((struct vnode *)fp->f_data)->v_mount;
1042 sp = &mp->mnt_stat;
1043 if ((error = VFS_STATVFS(mp, sp, p)) != 0)
1044 goto out;
1045 sp->f_flag = mp->mnt_flag & MNT_VISFLAGMASK;
1046 error = sunstatfs(sp, (caddr_t)SCARG(uap, buf));
1047 out:
1048 FILE_UNUSE(fp, p);
1049 return (error);
1050 }
1051
1052 int
1053 sunos_sys_exportfs(l, v, retval)
1054 struct lwp *l;
1055 void *v;
1056 register_t *retval;
1057 {
1058 /*
1059 * XXX: should perhaps translate into a mount(2)
1060 * with MOUNT_EXPORT?
1061 */
1062 return 0;
1063 }
1064
1065 int
1066 sunos_sys_mknod(l, v, retval)
1067 struct lwp *l;
1068 void *v;
1069 register_t *retval;
1070 {
1071 struct sunos_sys_mknod_args *uap = v;
1072 struct proc *p = l->l_proc;
1073
1074 caddr_t sg = stackgap_init(p, 0);
1075 CHECK_ALT_CREAT(p, &sg, SCARG(uap, path));
1076
1077 if (S_ISFIFO(SCARG(uap, mode)))
1078 return sys_mkfifo(l, uap, retval);
1079
1080 return sys_mknod(l, (struct sys_mknod_args *)uap, retval);
1081 }
1082
1083 #define SUNOS_SC_ARG_MAX 1
1084 #define SUNOS_SC_CHILD_MAX 2
1085 #define SUNOS_SC_CLK_TCK 3
1086 #define SUNOS_SC_NGROUPS_MAX 4
1087 #define SUNOS_SC_OPEN_MAX 5
1088 #define SUNOS_SC_JOB_CONTROL 6
1089 #define SUNOS_SC_SAVED_IDS 7
1090 #define SUNOS_SC_VERSION 8
1091
1092 int
1093 sunos_sys_sysconf(l, v, retval)
1094 struct lwp *l;
1095 void *v;
1096 register_t *retval;
1097 {
1098 struct sunos_sys_sysconf_args *uap = v;
1099 extern int maxfiles;
1100
1101 switch(SCARG(uap, name)) {
1102 case SUNOS_SC_ARG_MAX:
1103 *retval = ARG_MAX;
1104 break;
1105 case SUNOS_SC_CHILD_MAX:
1106 *retval = maxproc;
1107 break;
1108 case SUNOS_SC_CLK_TCK:
1109 *retval = 60; /* should this be `hz', ie. 100? */
1110 break;
1111 case SUNOS_SC_NGROUPS_MAX:
1112 *retval = NGROUPS_MAX;
1113 break;
1114 case SUNOS_SC_OPEN_MAX:
1115 *retval = maxfiles;
1116 break;
1117 case SUNOS_SC_JOB_CONTROL:
1118 *retval = 1;
1119 break;
1120 case SUNOS_SC_SAVED_IDS:
1121 #ifdef _POSIX_SAVED_IDS
1122 *retval = 1;
1123 #else
1124 *retval = 0;
1125 #endif
1126 break;
1127 case SUNOS_SC_VERSION:
1128 *retval = 198808;
1129 break;
1130 default:
1131 return EINVAL;
1132 }
1133 return 0;
1134 }
1135
1136 #define SUNOS_RLIMIT_NOFILE 6 /* Other RLIMIT_* are the same */
1137 #define SUNOS_RLIM_NLIMITS 7
1138
1139 int
1140 sunos_sys_getrlimit(l, v, retval)
1141 struct lwp *l;
1142 void *v;
1143 register_t *retval;
1144 {
1145 struct sunos_sys_getrlimit_args *uap = v;
1146
1147 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS)
1148 return EINVAL;
1149
1150 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE)
1151 SCARG(uap, which) = RLIMIT_NOFILE;
1152
1153 return compat_43_sys_getrlimit(l, uap, retval);
1154 }
1155
1156 int
1157 sunos_sys_setrlimit(l, v, retval)
1158 struct lwp *l;
1159 void *v;
1160 register_t *retval;
1161 {
1162 struct sunos_sys_getrlimit_args *uap = v;
1163
1164 if (SCARG(uap, which) >= SUNOS_RLIM_NLIMITS)
1165 return EINVAL;
1166
1167 if (SCARG(uap, which) == SUNOS_RLIMIT_NOFILE)
1168 SCARG(uap, which) = RLIMIT_NOFILE;
1169
1170 return compat_43_sys_setrlimit(l, uap, retval);
1171 }
1172
1173 /* for the m68k machines */
1174 #ifndef PT_GETFPREGS
1175 #define PT_GETFPREGS -1
1176 #endif
1177 #ifndef PT_SETFPREGS
1178 #define PT_SETFPREGS -1
1179 #endif
1180
1181 static const int sreq2breq[] = {
1182 PT_TRACE_ME, PT_READ_I, PT_READ_D, -1,
1183 PT_WRITE_I, PT_WRITE_D, -1, PT_CONTINUE,
1184 PT_KILL, -1, PT_ATTACH, PT_DETACH,
1185 PT_GETREGS, PT_SETREGS, PT_GETFPREGS, PT_SETFPREGS
1186 };
1187 static const int nreqs = sizeof(sreq2breq) / sizeof(sreq2breq[0]);
1188
1189 int
1190 sunos_sys_ptrace(l, v, retval)
1191 struct lwp *l;
1192 void *v;
1193 register_t *retval;
1194 {
1195 struct sunos_sys_ptrace_args *uap = v;
1196 struct sys_ptrace_args pa;
1197 int req;
1198
1199 req = SCARG(uap, req);
1200
1201 if (req < 0 || req >= nreqs)
1202 return (EINVAL);
1203
1204 req = sreq2breq[req];
1205 if (req == -1)
1206 return (EINVAL);
1207
1208 SCARG(&pa, req) = req;
1209 SCARG(&pa, pid) = (pid_t)SCARG(uap, pid);
1210 SCARG(&pa, addr) = (caddr_t)SCARG(uap, addr);
1211 SCARG(&pa, data) = SCARG(uap, data);
1212
1213 return sys_ptrace(l, &pa, retval);
1214 }
1215
1216 /*
1217 * SunOS reboot system call (for compatibility).
1218 * Sun lets you pass in a boot string which the PROM
1219 * saves and provides to the next boot program.
1220 */
1221
1222 #define SUNOS_RB_ASKNAME 0x001
1223 #define SUNOS_RB_SINGLE 0x002
1224 #define SUNOS_RB_NOSYNC 0x004
1225 #define SUNOS_RB_HALT 0x008
1226 #define SUNOS_RB_DUMP 0x080
1227 #define SUNOS_RB_STRING 0x200
1228
1229 static struct sunos_howto_conv {
1230 int sun_howto;
1231 int bsd_howto;
1232 } sunos_howto_conv[] = {
1233 { SUNOS_RB_ASKNAME, RB_ASKNAME },
1234 { SUNOS_RB_SINGLE, RB_SINGLE },
1235 { SUNOS_RB_NOSYNC, RB_NOSYNC },
1236 { SUNOS_RB_HALT, RB_HALT },
1237 { SUNOS_RB_DUMP, RB_DUMP },
1238 { SUNOS_RB_STRING, RB_STRING },
1239 { 0x000, 0 },
1240 };
1241
1242 int
1243 sunos_sys_reboot(l, v, retval)
1244 struct lwp *l;
1245 void *v;
1246 register_t *retval;
1247 {
1248 struct sunos_sys_reboot_args *uap = v;
1249 struct proc *p = l->l_proc;
1250 struct sys_reboot_args ua;
1251 struct sunos_howto_conv *convp;
1252 int error, bsd_howto, sun_howto;
1253 char *bootstr;
1254
1255 if ((error = suser(p->p_ucred, &p->p_acflag)) != 0)
1256 return (error);
1257
1258 /*
1259 * Convert howto bits to BSD format.
1260 */
1261 sun_howto = SCARG(uap, howto);
1262 bsd_howto = 0;
1263 convp = sunos_howto_conv;
1264 while (convp->sun_howto) {
1265 if (sun_howto & convp->sun_howto)
1266 bsd_howto |= convp->bsd_howto;
1267 convp++;
1268 }
1269
1270 /*
1271 * Sun RB_STRING (Get user supplied bootstring.)
1272 * If the machine supports passing a string to the
1273 * next booted kernel.
1274 */
1275 if (sun_howto & SUNOS_RB_STRING) {
1276 char bs[128];
1277
1278 error = copyinstr(SCARG(uap, bootstr), bs, sizeof(bs), 0);
1279
1280 if (error)
1281 bootstr = NULL;
1282 else
1283 bootstr = bs;
1284 } else
1285 bootstr = NULL;
1286
1287 SCARG(&ua, opt) = bsd_howto;
1288 SCARG(&ua, bootstr) = bootstr;
1289 sys_reboot(l, &ua, retval);
1290 return(0);
1291 }
1292
1293 /*
1294 * Generalized interface signal handler, 4.3-compatible.
1295 */
1296 /* ARGSUSED */
1297 int
1298 sunos_sys_sigvec(l, v, retval)
1299 struct lwp *l;
1300 void *v;
1301 register_t *retval;
1302 {
1303 struct sunos_sys_sigvec_args /* {
1304 syscallarg(int) signum;
1305 syscallarg(struct sigvec *) nsv;
1306 syscallarg(struct sigvec *) osv;
1307 } */ *uap = v;
1308 struct sigvec nsv, osv;
1309 struct sigaction nsa, osa;
1310 int error;
1311 /*XXX*/extern void compat_43_sigvec_to_sigaction
1312 __P((const struct sigvec *, struct sigaction *));
1313 /*XXX*/extern void compat_43_sigaction_to_sigvec
1314 __P((const struct sigaction *, struct sigvec *));
1315
1316 if (SCARG(uap, nsv)) {
1317 error = copyin(SCARG(uap, nsv), &nsv, sizeof(nsv));
1318 if (error != 0)
1319 return (error);
1320
1321 /*
1322 * SunOS uses the mask 0x0004 as SV_RESETHAND
1323 * meaning: `reset to SIG_DFL on delivery'.
1324 * We support only the bits in: 0xF
1325 * (those bits are the same as ours)
1326 */
1327 if (nsv.sv_flags & ~0xF)
1328 return (EINVAL);
1329
1330 compat_43_sigvec_to_sigaction(&nsv, &nsa);
1331 }
1332 error = sigaction1(l->l_proc, SCARG(uap, signum),
1333 SCARG(uap, nsv) ? &nsa : 0,
1334 SCARG(uap, osv) ? &osa : 0,
1335 NULL, 0);
1336 if (error != 0)
1337 return (error);
1338
1339 if (SCARG(uap, osv)) {
1340 compat_43_sigaction_to_sigvec(&osa, &osv);
1341 error = copyout(&osv, SCARG(uap, osv), sizeof(osv));
1342 if (error != 0)
1343 return (error);
1344 }
1345
1346 return (0);
1347 }
1348