1 /*-
2 * Copyright (c) 1998 Mark Newton
3 * Copyright (c) 1994 Christos Zoulas
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
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/proc.h>
35 #include <sys/stat.h>
36 #include <sys/filedesc.h>
37 #include <sys/fcntl.h>
38 #include <sys/jail.h>
39 #include <sys/kernel.h>
40 #include <sys/malloc.h>
41 #include <sys/namei.h>
42 #include <sys/unistd.h>
43 #include <sys/time.h>
44 #include <sys/syscallsubr.h>
45 #include <sys/sysctl.h>
46 #include <sys/sysproto.h>
47 #include <sys/un.h>
48
49 #include <vm/vm.h>
50
51 #include <netinet/in.h>
52
53 #include <compat/svr4/svr4.h>
54 #include <compat/svr4/svr4_types.h>
55 #include <compat/svr4/svr4_signal.h>
56 #include <compat/svr4/svr4_proto.h>
57 #include <compat/svr4/svr4_util.h>
58 #include <compat/svr4/svr4_stat.h>
59 #include <compat/svr4/svr4_ustat.h>
60 #include <compat/svr4/svr4_utsname.h>
61 #include <compat/svr4/svr4_systeminfo.h>
62 #include <compat/svr4/svr4_socket.h>
63 #include <compat/svr4/svr4_time.h>
64 #if defined(NOTYET)
65 #include "svr4_fuser.h"
66 #endif
67
68 #ifdef sparc
69 /*
70 * Solaris-2.4 on the sparc has the old stat call using the new
71 * stat data structure...
72 */
73 # define SVR4_NO_OSTAT
74 #endif
75
76 struct svr4_ustat_args {
77 svr4_dev_t dev;
78 struct svr4_ustat * name;
79 };
80
81 static void bsd_to_svr4_xstat(struct stat *, struct svr4_xstat *);
82 static void bsd_to_svr4_stat64(struct stat *, struct svr4_stat64 *);
83 int svr4_ustat(struct thread *, struct svr4_ustat_args *);
84 static int svr4_to_bsd_pathconf(int);
85
86 /*
87 * SVR4 uses named pipes as named sockets, so we tell programs
88 * that sockets are named pipes with mode 0
89 */
90 #define BSD_TO_SVR4_MODE(mode) (S_ISSOCK(mode) ? S_IFIFO : (mode))
91
92
93 #ifndef SVR4_NO_OSTAT
94 static void bsd_to_svr4_stat(struct stat *, struct svr4_stat *);
95
96 static void
bsd_to_svr4_stat(st,st4)97 bsd_to_svr4_stat(st, st4)
98 struct stat *st;
99 struct svr4_stat *st4;
100 {
101 memset(st4, 0, sizeof(*st4));
102 st4->st_dev = bsd_to_svr4_odev_t(st->st_dev);
103 st4->st_ino = st->st_ino;
104 st4->st_mode = BSD_TO_SVR4_MODE(st->st_mode);
105 st4->st_nlink = st->st_nlink;
106 st4->st_uid = st->st_uid;
107 st4->st_gid = st->st_gid;
108 st4->st_rdev = bsd_to_svr4_odev_t(st->st_rdev);
109 st4->st_size = st->st_size;
110 st4->st_atim = st->st_atim.tv_sec;
111 st4->st_mtim = st->st_mtim.tv_sec;
112 st4->st_ctim = st->st_ctim.tv_sec;
113 }
114 #endif
115
116
117 static void
bsd_to_svr4_xstat(st,st4)118 bsd_to_svr4_xstat(st, st4)
119 struct stat *st;
120 struct svr4_xstat *st4;
121 {
122 memset(st4, 0, sizeof(*st4));
123 st4->st_dev = bsd_to_svr4_dev_t(st->st_dev);
124 st4->st_ino = st->st_ino;
125 st4->st_mode = BSD_TO_SVR4_MODE(st->st_mode);
126 st4->st_nlink = st->st_nlink;
127 st4->st_uid = st->st_uid;
128 st4->st_gid = st->st_gid;
129 st4->st_rdev = bsd_to_svr4_dev_t(st->st_rdev);
130 st4->st_size = st->st_size;
131 st4->st_atim = st->st_atim;
132 st4->st_mtim = st->st_mtim;
133 st4->st_ctim = st->st_ctim;
134 st4->st_blksize = st->st_blksize;
135 st4->st_blocks = st->st_blocks;
136 strcpy(st4->st_fstype, "unknown");
137 }
138
139
140 static void
bsd_to_svr4_stat64(st,st4)141 bsd_to_svr4_stat64(st, st4)
142 struct stat *st;
143 struct svr4_stat64 *st4;
144 {
145 memset(st4, 0, sizeof(*st4));
146 st4->st_dev = bsd_to_svr4_dev_t(st->st_dev);
147 st4->st_ino = st->st_ino;
148 st4->st_mode = BSD_TO_SVR4_MODE(st->st_mode);
149 st4->st_nlink = st->st_nlink;
150 st4->st_uid = st->st_uid;
151 st4->st_gid = st->st_gid;
152 st4->st_rdev = bsd_to_svr4_dev_t(st->st_rdev);
153 st4->st_size = st->st_size;
154 st4->st_atim = st->st_atim;
155 st4->st_mtim = st->st_mtim;
156 st4->st_ctim = st->st_ctim;
157 st4->st_blksize = st->st_blksize;
158 st4->st_blocks = st->st_blocks;
159 strcpy(st4->st_fstype, "unknown");
160 }
161
162 int
svr4_sys_stat(td,uap)163 svr4_sys_stat(td, uap)
164 struct thread *td;
165 struct svr4_sys_stat_args *uap;
166 {
167 struct svr4_stat svr4_st;
168 struct stat st;
169 char *path;
170 int error;
171
172 CHECKALTEXIST(td, uap->path, &path);
173
174 error = kern_statat(td, 0, AT_FDCWD, path, UIO_SYSSPACE, &st, NULL);
175 free(path, M_TEMP);
176 if (error)
177 return (error);
178 bsd_to_svr4_stat(&st, &svr4_st);
179
180 if (S_ISSOCK(st.st_mode))
181 (void) svr4_add_socket(td, uap->path, &st);
182
183 return (copyout(&svr4_st, uap->ub, sizeof svr4_st));
184 }
185
186
187 int
svr4_sys_lstat(td,uap)188 svr4_sys_lstat(td, uap)
189 struct thread *td;
190 struct svr4_sys_lstat_args *uap;
191 {
192 struct svr4_stat svr4_st;
193 struct stat st;
194 char *path;
195 int error;
196
197 CHECKALTEXIST(td, uap->path, &path);
198
199 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, path,
200 UIO_SYSSPACE, &st, NULL);
201 free(path, M_TEMP);
202 if (error)
203 return (error);
204 bsd_to_svr4_stat(&st, &svr4_st);
205
206 if (S_ISSOCK(st.st_mode))
207 (void) svr4_add_socket(td, uap->path, &st);
208
209 return (copyout(&svr4_st, uap->ub, sizeof svr4_st));
210 }
211
212
213 int
svr4_sys_fstat(td,uap)214 svr4_sys_fstat(td, uap)
215 struct thread *td;
216 struct svr4_sys_fstat_args *uap;
217 {
218 struct svr4_stat svr4_st;
219 struct stat st;
220 int error;
221
222
223 error = kern_fstat(td, uap->fd, &st);
224 if (error)
225 return (error);
226 bsd_to_svr4_stat(&st, &svr4_st);
227 return (copyout(&svr4_st, uap->sb, sizeof svr4_st));
228 }
229
230
231 int
svr4_sys_xstat(td,uap)232 svr4_sys_xstat(td, uap)
233 struct thread *td;
234 struct svr4_sys_xstat_args *uap;
235 {
236 struct svr4_xstat svr4_st;
237 struct stat st;
238 char *path;
239 int error;
240
241 CHECKALTEXIST(td, uap->path, &path);
242
243 error = kern_statat(td, 0, AT_FDCWD, path, UIO_SYSSPACE, &st, NULL);
244 free(path, M_TEMP);
245 if (error)
246 return (error);
247
248 bsd_to_svr4_xstat(&st, &svr4_st);
249
250 #if defined(SOCKET_NOTYET)
251 if (S_ISSOCK(st.st_mode))
252 (void) svr4_add_socket(td, uap->path, &st);
253 #endif
254
255 return (copyout(&svr4_st, uap->ub, sizeof svr4_st));
256 }
257
258 int
svr4_sys_lxstat(td,uap)259 svr4_sys_lxstat(td, uap)
260 struct thread *td;
261 struct svr4_sys_lxstat_args *uap;
262 {
263 struct svr4_xstat svr4_st;
264 struct stat st;
265 char *path;
266 int error;
267
268 CHECKALTEXIST(td, uap->path, &path);
269
270 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, path,
271 UIO_SYSSPACE, &st, NULL);
272 free(path, M_TEMP);
273 if (error)
274 return (error);
275
276 bsd_to_svr4_xstat(&st, &svr4_st);
277
278 #if defined(SOCKET_NOTYET)
279 if (S_ISSOCK(st.st_mode))
280 (void) svr4_add_socket(td, uap->path, &st);
281 #endif
282 return (copyout(&svr4_st, uap->ub, sizeof svr4_st));
283 }
284
285
286 int
svr4_sys_fxstat(td,uap)287 svr4_sys_fxstat(td, uap)
288 struct thread *td;
289 struct svr4_sys_fxstat_args *uap;
290 {
291 struct svr4_xstat svr4_st;
292 struct stat st;
293 int error;
294
295
296 error = kern_fstat(td, uap->fd, &st);
297 if (error)
298 return (error);
299 bsd_to_svr4_xstat(&st, &svr4_st);
300 return (copyout(&svr4_st, uap->sb, sizeof svr4_st));
301 }
302
303 int
svr4_sys_stat64(td,uap)304 svr4_sys_stat64(td, uap)
305 struct thread *td;
306 struct svr4_sys_stat64_args *uap;
307 {
308 struct svr4_stat64 svr4_st;
309 struct stat st;
310 char *path;
311 int error;
312
313 CHECKALTEXIST(td, uap->path, &path);
314
315 error = kern_statat(td, 0, AT_FDCWD, path, UIO_SYSSPACE, &st, NULL);
316 free(path, M_TEMP);
317 if (error)
318 return (error);
319
320 bsd_to_svr4_stat64(&st, &svr4_st);
321
322 if (S_ISSOCK(st.st_mode))
323 (void) svr4_add_socket(td, uap->path, &st);
324
325 return (copyout(&svr4_st, uap->sb, sizeof svr4_st));
326 }
327
328
329 int
svr4_sys_lstat64(td,uap)330 svr4_sys_lstat64(td, uap)
331 struct thread *td;
332 struct svr4_sys_lstat64_args *uap;
333 {
334 struct svr4_stat64 svr4_st;
335 struct stat st;
336 char *path;
337 int error;
338
339 CHECKALTEXIST(td, uap->path, &path);
340
341 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, path,
342 UIO_SYSSPACE, &st, NULL);
343 free(path, M_TEMP);
344 if (error)
345 return (error);
346
347 bsd_to_svr4_stat64(&st, &svr4_st);
348
349 if (S_ISSOCK(st.st_mode))
350 (void) svr4_add_socket(td, uap->path, &st);
351
352 return (copyout(&svr4_st, uap->sb, sizeof svr4_st));
353 }
354
355
356 int
svr4_sys_fstat64(td,uap)357 svr4_sys_fstat64(td, uap)
358 struct thread *td;
359 struct svr4_sys_fstat64_args *uap;
360 {
361 struct svr4_stat64 svr4_st;
362 struct stat st;
363 int error;
364
365 error = kern_fstat(td, uap->fd, &st);
366 if (error)
367 return (error);
368 bsd_to_svr4_stat64(&st, &svr4_st);
369 return (copyout(&svr4_st, uap->sb, sizeof svr4_st));
370 }
371
372
373 int
svr4_ustat(td,uap)374 svr4_ustat(td, uap)
375 struct thread *td;
376 struct svr4_ustat_args *uap;
377 {
378 struct svr4_ustat us;
379 int error;
380
381 memset(&us, 0, sizeof us);
382
383 /*
384 * XXX: should set f_tfree and f_tinode at least
385 * How do we translate dev -> fstat? (and then to svr4_ustat)
386 */
387 if ((error = copyout(&us, uap->name, sizeof us)) != 0)
388 return (error);
389
390 return 0;
391 }
392
393 /*extern char ostype[], osrelease[], version[], machine[];*/
394
395 int
svr4_sys_uname(td,uap)396 svr4_sys_uname(td, uap)
397 struct thread *td;
398 struct svr4_sys_uname_args *uap;
399 {
400 struct svr4_utsname sut;
401
402 memset(&sut, 0, sizeof(sut));
403
404 strlcpy(sut.sysname, ostype, sizeof(sut.sysname));
405 getcredhostname(td->td_ucred, sut.nodename, sizeof(sut.nodename));
406 strlcpy(sut.release, osrelease, sizeof(sut.release));
407 strlcpy(sut.version, version, sizeof(sut.version));
408 strlcpy(sut.machine, machine, sizeof(sut.machine));
409
410 return copyout((caddr_t) &sut, (caddr_t) uap->name,
411 sizeof(struct svr4_utsname));
412 }
413
414 int
svr4_sys_systeminfo(td,uap)415 svr4_sys_systeminfo(td, uap)
416 struct thread *td;
417 struct svr4_sys_systeminfo_args *uap;
418 {
419 char *str = NULL;
420 int error = 0;
421 register_t *retval = td->td_retval;
422 u_long hostid;
423 size_t len = 0;
424 char buf[MAXHOSTNAMELEN];
425 u_int rlen = uap->len;
426
427 switch (uap->what) {
428 case SVR4_SI_SYSNAME:
429 str = ostype;
430 break;
431
432 case SVR4_SI_HOSTNAME:
433 getcredhostname(td->td_ucred, buf, sizeof(buf));
434 str = buf;
435 break;
436
437 case SVR4_SI_RELEASE:
438 str = osrelease;
439 break;
440
441 case SVR4_SI_VERSION:
442 str = version;
443 break;
444
445 case SVR4_SI_MACHINE:
446 str = machine;
447 break;
448
449 case SVR4_SI_ARCHITECTURE:
450 str = machine;
451 break;
452
453 case SVR4_SI_ISALIST:
454 #if defined(__sparc__)
455 str = "sparcv9 sparcv9-fsmuld sparcv8 sparcv8-fsmuld sparcv7 sparc";
456 #elif defined(__i386__)
457 str = "i386";
458 #elif defined(__amd64__)
459 str = "amd64";
460 #else
461 str = "unknown";
462 #endif
463 break;
464
465 case SVR4_SI_HW_SERIAL:
466 getcredhostid(td->td_ucred, &hostid);
467 snprintf(buf, sizeof(buf), "%lu", hostid);
468 str = buf;
469 break;
470
471 case SVR4_SI_HW_PROVIDER:
472 str = ostype;
473 break;
474
475 case SVR4_SI_SRPC_DOMAIN:
476 getcreddomainname(td->td_ucred, buf, sizeof(buf));
477 str = buf;
478 break;
479
480 case SVR4_SI_PLATFORM:
481 #if defined(__i386__)
482 str = "i86pc";
483 #else
484 str = "unknown";
485 #endif
486 break;
487
488 case SVR4_SI_KERB_REALM:
489 str = "unsupported";
490 break;
491 #if defined(WHY_DOES_AN_EMULATOR_WANT_TO_SET_HOSTNAMES)
492 case SVR4_SI_SET_HOSTNAME:
493 name = KERN_HOSTNAME;
494 return kern_sysctl(&name, 1, 0, 0, uap->buf, rlen, td);
495
496 case SVR4_SI_SET_SRPC_DOMAIN:
497 name = KERN_NISDOMAINNAME;
498 return kern_sysctl(&name, 1, 0, 0, uap->buf, rlen, td);
499 #else
500 case SVR4_SI_SET_HOSTNAME:
501 case SVR4_SI_SET_SRPC_DOMAIN:
502 /* FALLTHROUGH */
503 #endif
504 case SVR4_SI_SET_KERB_REALM:
505 return 0;
506
507 default:
508 DPRINTF(("Bad systeminfo command %d\n", uap->what));
509 return ENOSYS;
510 }
511
512 if (str) {
513 len = strlen(str) + 1;
514 if (len > rlen)
515 len = rlen;
516
517 if (uap->buf) {
518 error = copyout(str, uap->buf, len);
519 if (error)
520 return error;
521 /* make sure we are NULL terminated */
522 buf[0] = '\0';
523 error = copyout(buf, &(uap->buf[len - 1]), 1);
524 }
525 else
526 error = 0;
527 }
528 /* XXX NetBSD has hostname setting stuff here. Why would an emulator
529 want to do that? */
530
531 *retval = len;
532 return error;
533 }
534
535 int
svr4_sys_utssys(td,uap)536 svr4_sys_utssys(td, uap)
537 struct thread *td;
538 struct svr4_sys_utssys_args *uap;
539 {
540 switch (uap->sel) {
541 case 0: /* uname(2) */
542 {
543 struct svr4_sys_uname_args ua;
544 ua.name = uap->a1;
545 return svr4_sys_uname(td, &ua);
546 }
547
548 case 2: /* ustat(2) */
549 {
550 struct svr4_ustat_args ua;
551 ua.dev = (svr4_dev_t) uap->a2;
552 ua.name = uap->a1;
553 return svr4_ustat(td, &ua);
554 }
555
556 case 3: /* fusers(2) */
557 return ENOSYS;
558
559 default:
560 return ENOSYS;
561 }
562 return ENOSYS;
563 }
564
565
566 int
svr4_sys_utime(td,uap)567 svr4_sys_utime(td, uap)
568 struct thread *td;
569 struct svr4_sys_utime_args *uap;
570 {
571 struct svr4_utimbuf ub;
572 struct timeval tbuf[2], *tp;
573 char *path;
574 int error;
575
576 if (uap->ubuf != NULL) {
577 error = copyin(uap->ubuf, &ub, sizeof(ub));
578 if (error)
579 return (error);
580 tbuf[0].tv_sec = ub.actime;
581 tbuf[0].tv_usec = 0;
582 tbuf[1].tv_sec = ub.modtime;
583 tbuf[1].tv_usec = 0;
584 tp = tbuf;
585 } else
586 tp = NULL;
587
588 CHECKALTEXIST(td, uap->path, &path);
589 error = kern_utimesat(td, AT_FDCWD, path, UIO_SYSSPACE,
590 tp, UIO_SYSSPACE);
591 free(path, M_TEMP);
592 return (error);
593 }
594
595
596 int
svr4_sys_utimes(td,uap)597 svr4_sys_utimes(td, uap)
598 struct thread *td;
599 struct svr4_sys_utimes_args *uap;
600 {
601 char *path;
602 int error;
603
604 CHECKALTEXIST(td, uap->path, &path);
605 error = kern_utimesat(td, AT_FDCWD, path, UIO_SYSSPACE,
606 uap->tptr, UIO_USERSPACE);
607 free(path, M_TEMP);
608 return (error);
609 }
610
611 static int
svr4_to_bsd_pathconf(name)612 svr4_to_bsd_pathconf(name)
613 int name;
614 {
615 switch (name) {
616 case SVR4_PC_LINK_MAX:
617 return _PC_LINK_MAX;
618
619 case SVR4_PC_MAX_CANON:
620 return _PC_MAX_CANON;
621
622 case SVR4_PC_MAX_INPUT:
623 return _PC_MAX_INPUT;
624
625 case SVR4_PC_NAME_MAX:
626 return _PC_NAME_MAX;
627
628 case SVR4_PC_PATH_MAX:
629 return _PC_PATH_MAX;
630
631 case SVR4_PC_PIPE_BUF:
632 return _PC_PIPE_BUF;
633
634 case SVR4_PC_NO_TRUNC:
635 return _PC_NO_TRUNC;
636
637 case SVR4_PC_VDISABLE:
638 return _PC_VDISABLE;
639
640 case SVR4_PC_CHOWN_RESTRICTED:
641 return _PC_CHOWN_RESTRICTED;
642 case SVR4_PC_SYNC_IO:
643 #if defined(_PC_SYNC_IO)
644 return _PC_SYNC_IO;
645 #else
646 return 0;
647 #endif
648 case SVR4_PC_ASYNC_IO:
649 case SVR4_PC_PRIO_IO:
650 /* Not supported */
651 return 0;
652
653 default:
654 /* Invalid */
655 return -1;
656 }
657 }
658
659
660 int
svr4_sys_pathconf(td,uap)661 svr4_sys_pathconf(td, uap)
662 struct thread *td;
663 struct svr4_sys_pathconf_args *uap;
664 {
665 char *path;
666 int error, name;
667
668 name = svr4_to_bsd_pathconf(uap->name);
669
670 switch (name) {
671 case -1:
672 td->td_retval[0] = -1;
673 return (EINVAL);
674 case 0:
675 td->td_retval[0] = 0;
676 return (0);
677 default:
678 CHECKALTEXIST(td, uap->path, &path);
679 error = kern_pathconf(td, path, UIO_SYSSPACE, name, FOLLOW);
680 free(path, M_TEMP);
681 return (error);
682 }
683 }
684
685
686 int
svr4_sys_fpathconf(td,uap)687 svr4_sys_fpathconf(td, uap)
688 struct thread *td;
689 struct svr4_sys_fpathconf_args *uap;
690 {
691 register_t *retval = td->td_retval;
692
693 uap->name = svr4_to_bsd_pathconf(uap->name);
694
695 switch (uap->name) {
696 case -1:
697 *retval = -1;
698 return EINVAL;
699 case 0:
700 *retval = 0;
701 return 0;
702 default:
703 return sys_fpathconf(td, (struct fpathconf_args *)uap);
704 }
705 }
706