1 /*-
2 * Copyright (c) 2002 Doug Rabson
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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD: releng/10.0/sys/compat/freebsd32/freebsd32_misc.c 258929 2013-12-04 18:25:04Z peter $");
29
30 #include "opt_compat.h"
31 #include "opt_inet.h"
32 #include "opt_inet6.h"
33
34 #define __ELF_WORD_SIZE 32
35
36 #include <sys/param.h>
37 #include <sys/bus.h>
38 #include <sys/capability.h>
39 #include <sys/clock.h>
40 #include <sys/exec.h>
41 #include <sys/fcntl.h>
42 #include <sys/filedesc.h>
43 #include <sys/imgact.h>
44 #include <sys/jail.h>
45 #include <sys/kernel.h>
46 #include <sys/limits.h>
47 #include <sys/linker.h>
48 #include <sys/lock.h>
49 #include <sys/malloc.h>
50 #include <sys/file.h> /* Must come after sys/malloc.h */
51 #include <sys/imgact.h>
52 #include <sys/mbuf.h>
53 #include <sys/mman.h>
54 #include <sys/module.h>
55 #include <sys/mount.h>
56 #include <sys/mutex.h>
57 #include <sys/namei.h>
58 #include <sys/proc.h>
59 #include <sys/procctl.h>
60 #include <sys/reboot.h>
61 #include <sys/resource.h>
62 #include <sys/resourcevar.h>
63 #include <sys/selinfo.h>
64 #include <sys/eventvar.h> /* Must come after sys/selinfo.h */
65 #include <sys/pipe.h> /* Must come after sys/selinfo.h */
66 #include <sys/signal.h>
67 #include <sys/signalvar.h>
68 #include <sys/socket.h>
69 #include <sys/socketvar.h>
70 #include <sys/stat.h>
71 #include <sys/syscall.h>
72 #include <sys/syscallsubr.h>
73 #include <sys/sysctl.h>
74 #include <sys/sysent.h>
75 #include <sys/sysproto.h>
76 #include <sys/systm.h>
77 #include <sys/thr.h>
78 #include <sys/unistd.h>
79 #include <sys/ucontext.h>
80 #include <sys/vnode.h>
81 #include <sys/wait.h>
82 #include <sys/ipc.h>
83 #include <sys/msg.h>
84 #include <sys/sem.h>
85 #include <sys/shm.h>
86
87 #ifdef INET
88 #include <netinet/in.h>
89 #endif
90
91 #include <vm/vm.h>
92 #include <vm/vm_param.h>
93 #include <vm/pmap.h>
94 #include <vm/vm_map.h>
95 #include <vm/vm_object.h>
96 #include <vm/vm_extern.h>
97
98 #include <machine/cpu.h>
99 #include <machine/elf.h>
100
101 #include <security/audit/audit.h>
102
103 #include <compat/freebsd32/freebsd32_util.h>
104 #include <compat/freebsd32/freebsd32.h>
105 #include <compat/freebsd32/freebsd32_ipc.h>
106 #include <compat/freebsd32/freebsd32_misc.h>
107 #include <compat/freebsd32/freebsd32_signal.h>
108 #include <compat/freebsd32/freebsd32_proto.h>
109
110 FEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD");
111
112 #ifndef __mips__
113 CTASSERT(sizeof(struct timeval32) == 8);
114 CTASSERT(sizeof(struct timespec32) == 8);
115 CTASSERT(sizeof(struct itimerval32) == 16);
116 #endif
117 CTASSERT(sizeof(struct statfs32) == 256);
118 #ifndef __mips__
119 CTASSERT(sizeof(struct rusage32) == 72);
120 #endif
121 CTASSERT(sizeof(struct sigaltstack32) == 12);
122 CTASSERT(sizeof(struct kevent32) == 20);
123 CTASSERT(sizeof(struct iovec32) == 8);
124 CTASSERT(sizeof(struct msghdr32) == 28);
125 #ifndef __mips__
126 CTASSERT(sizeof(struct stat32) == 96);
127 #endif
128 CTASSERT(sizeof(struct sigaction32) == 24);
129
130 static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count);
131 static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count);
132
133 void
134 freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32)
135 {
136
137 TV_CP(*s, *s32, ru_utime);
138 TV_CP(*s, *s32, ru_stime);
139 CP(*s, *s32, ru_maxrss);
140 CP(*s, *s32, ru_ixrss);
141 CP(*s, *s32, ru_idrss);
142 CP(*s, *s32, ru_isrss);
143 CP(*s, *s32, ru_minflt);
144 CP(*s, *s32, ru_majflt);
145 CP(*s, *s32, ru_nswap);
146 CP(*s, *s32, ru_inblock);
147 CP(*s, *s32, ru_oublock);
148 CP(*s, *s32, ru_msgsnd);
149 CP(*s, *s32, ru_msgrcv);
150 CP(*s, *s32, ru_nsignals);
151 CP(*s, *s32, ru_nvcsw);
152 CP(*s, *s32, ru_nivcsw);
153 }
154
155 int
156 freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap)
157 {
158 int error, status;
159 struct rusage32 ru32;
160 struct rusage ru, *rup;
161
162 if (uap->rusage != NULL)
163 rup = &ru;
164 else
165 rup = NULL;
166 error = kern_wait(td, uap->pid, &status, uap->options, rup);
167 if (error)
168 return (error);
169 if (uap->status != NULL)
170 error = copyout(&status, uap->status, sizeof(status));
171 if (uap->rusage != NULL && error == 0) {
172 freebsd32_rusage_out(&ru, &ru32);
173 error = copyout(&ru32, uap->rusage, sizeof(ru32));
174 }
175 return (error);
176 }
177
178 int
179 freebsd32_wait6(struct thread *td, struct freebsd32_wait6_args *uap)
180 {
181 struct wrusage32 wru32;
182 struct __wrusage wru, *wrup;
183 struct siginfo32 si32;
184 struct __siginfo si, *sip;
185 int error, status;
186
187 if (uap->wrusage != NULL)
188 wrup = &wru;
189 else
190 wrup = NULL;
191 if (uap->info != NULL) {
192 sip = &si;
193 bzero(sip, sizeof(*sip));
194 } else
195 sip = NULL;
196 error = kern_wait6(td, uap->idtype, PAIR32TO64(id_t, uap->id),
197 &status, uap->options, wrup, sip);
198 if (error != 0)
199 return (error);
200 if (uap->status != NULL)
201 error = copyout(&status, uap->status, sizeof(status));
202 if (uap->wrusage != NULL && error == 0) {
203 freebsd32_rusage_out(&wru.wru_self, &wru32.wru_self);
204 freebsd32_rusage_out(&wru.wru_children, &wru32.wru_children);
205 error = copyout(&wru32, uap->wrusage, sizeof(wru32));
206 }
207 if (uap->info != NULL && error == 0) {
208 siginfo_to_siginfo32 (&si, &si32);
209 error = copyout(&si32, uap->info, sizeof(si32));
210 }
211 return (error);
212 }
213
214 #ifdef COMPAT_FREEBSD4
215 static void
216 copy_statfs(struct statfs *in, struct statfs32 *out)
217 {
218
219 statfs_scale_blocks(in, INT32_MAX);
220 bzero(out, sizeof(*out));
221 CP(*in, *out, f_bsize);
222 out->f_iosize = MIN(in->f_iosize, INT32_MAX);
223 CP(*in, *out, f_blocks);
224 CP(*in, *out, f_bfree);
225 CP(*in, *out, f_bavail);
226 out->f_files = MIN(in->f_files, INT32_MAX);
227 out->f_ffree = MIN(in->f_ffree, INT32_MAX);
228 CP(*in, *out, f_fsid);
229 CP(*in, *out, f_owner);
230 CP(*in, *out, f_type);
231 CP(*in, *out, f_flags);
232 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX);
233 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX);
234 strlcpy(out->f_fstypename,
235 in->f_fstypename, MFSNAMELEN);
236 strlcpy(out->f_mntonname,
237 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN));
238 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX);
239 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX);
240 strlcpy(out->f_mntfromname,
241 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN));
242 }
243 #endif
244
245 #ifdef COMPAT_FREEBSD4
246 int
247 freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap)
248 {
249 struct statfs *buf, *sp;
250 struct statfs32 stat32;
251 size_t count, size;
252 int error;
253
254 count = uap->bufsize / sizeof(struct statfs32);
255 size = count * sizeof(struct statfs);
256 error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags);
257 if (size > 0) {
258 count = td->td_retval[0];
259 sp = buf;
260 while (count > 0 && error == 0) {
261 copy_statfs(sp, &stat32);
262 error = copyout(&stat32, uap->buf, sizeof(stat32));
263 sp++;
264 uap->buf++;
265 count--;
266 }
267 free(buf, M_TEMP);
268 }
269 return (error);
270 }
271 #endif
272
273 int
274 freebsd32_sigaltstack(struct thread *td,
275 struct freebsd32_sigaltstack_args *uap)
276 {
277 struct sigaltstack32 s32;
278 struct sigaltstack ss, oss, *ssp;
279 int error;
280
281 if (uap->ss != NULL) {
282 error = copyin(uap->ss, &s32, sizeof(s32));
283 if (error)
284 return (error);
285 PTRIN_CP(s32, ss, ss_sp);
286 CP(s32, ss, ss_size);
287 CP(s32, ss, ss_flags);
288 ssp = &ss;
289 } else
290 ssp = NULL;
291 error = kern_sigaltstack(td, ssp, &oss);
292 if (error == 0 && uap->oss != NULL) {
293 PTROUT_CP(oss, s32, ss_sp);
294 CP(oss, s32, ss_size);
295 CP(oss, s32, ss_flags);
296 error = copyout(&s32, uap->oss, sizeof(s32));
297 }
298 return (error);
299 }
300
301 /*
302 * Custom version of exec_copyin_args() so that we can translate
303 * the pointers.
304 */
305 int
306 freebsd32_exec_copyin_args(struct image_args *args, char *fname,
307 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv)
308 {
309 char *argp, *envp;
310 u_int32_t *p32, arg;
311 size_t length;
312 int error;
313
314 bzero(args, sizeof(*args));
315 if (argv == NULL)
316 return (EFAULT);
317
318 /*
319 * Allocate demand-paged memory for the file name, argument, and
320 * environment strings.
321 */
322 error = exec_alloc_args(args);
323 if (error != 0)
324 return (error);
325
326 /*
327 * Copy the file name.
328 */
329 if (fname != NULL) {
330 args->fname = args->buf;
331 error = (segflg == UIO_SYSSPACE) ?
332 copystr(fname, args->fname, PATH_MAX, &length) :
333 copyinstr(fname, args->fname, PATH_MAX, &length);
334 if (error != 0)
335 goto err_exit;
336 } else
337 length = 0;
338
339 args->begin_argv = args->buf + length;
340 args->endp = args->begin_argv;
341 args->stringspace = ARG_MAX;
342
343 /*
344 * extract arguments first
345 */
346 p32 = argv;
347 for (;;) {
348 error = copyin(p32++, &arg, sizeof(arg));
349 if (error)
350 goto err_exit;
351 if (arg == 0)
352 break;
353 argp = PTRIN(arg);
354 error = copyinstr(argp, args->endp, args->stringspace, &length);
355 if (error) {
356 if (error == ENAMETOOLONG)
357 error = E2BIG;
358 goto err_exit;
359 }
360 args->stringspace -= length;
361 args->endp += length;
362 args->argc++;
363 }
364
365 args->begin_envv = args->endp;
366
367 /*
368 * extract environment strings
369 */
370 if (envv) {
371 p32 = envv;
372 for (;;) {
373 error = copyin(p32++, &arg, sizeof(arg));
374 if (error)
375 goto err_exit;
376 if (arg == 0)
377 break;
378 envp = PTRIN(arg);
379 error = copyinstr(envp, args->endp, args->stringspace,
380 &length);
381 if (error) {
382 if (error == ENAMETOOLONG)
383 error = E2BIG;
384 goto err_exit;
385 }
386 args->stringspace -= length;
387 args->endp += length;
388 args->envc++;
389 }
390 }
391
392 return (0);
393
394 err_exit:
395 exec_free_args(args);
396 return (error);
397 }
398
399 int
400 freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap)
401 {
402 struct image_args eargs;
403 int error;
404
405 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE,
406 uap->argv, uap->envv);
407 if (error == 0)
408 error = kern_execve(td, &eargs, NULL);
409 return (error);
410 }
411
412 int
413 freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap)
414 {
415 struct image_args eargs;
416 int error;
417
418 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE,
419 uap->argv, uap->envv);
420 if (error == 0) {
421 eargs.fd = uap->fd;
422 error = kern_execve(td, &eargs, NULL);
423 }
424 return (error);
425 }
426
427 #ifdef __ia64__
428 static int
429 freebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end,
430 int prot, int fd, off_t pos)
431 {
432 vm_map_t map;
433 vm_map_entry_t entry;
434 int rv;
435
436 map = &td->td_proc->p_vmspace->vm_map;
437 if (fd != -1)
438 prot |= VM_PROT_WRITE;
439
440 if (vm_map_lookup_entry(map, start, &entry)) {
441 if ((entry->protection & prot) != prot) {
442 rv = vm_map_protect(map,
443 trunc_page(start),
444 round_page(end),
445 entry->protection | prot,
446 FALSE);
447 if (rv != KERN_SUCCESS)
448 return (EINVAL);
449 }
450 } else {
451 vm_offset_t addr = trunc_page(start);
452 rv = vm_map_find(map, NULL, 0, &addr, PAGE_SIZE, 0,
453 VMFS_NO_SPACE, prot, VM_PROT_ALL, 0);
454 if (rv != KERN_SUCCESS)
455 return (EINVAL);
456 }
457
458 if (fd != -1) {
459 struct pread_args r;
460 r.fd = fd;
461 r.buf = (void *) start;
462 r.nbyte = end - start;
463 r.offset = pos;
464 return (sys_pread(td, &r));
465 } else {
466 while (start < end) {
467 subyte((void *) start, 0);
468 start++;
469 }
470 return (0);
471 }
472 }
473 #endif
474
475 int
476 freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap)
477 {
478 struct mprotect_args ap;
479
480 ap.addr = PTRIN(uap->addr);
481 ap.len = uap->len;
482 ap.prot = uap->prot;
483 #if defined(__amd64__) || defined(__ia64__)
484 if (i386_read_exec && (ap.prot & PROT_READ) != 0)
485 ap.prot |= PROT_EXEC;
486 #endif
487 return (sys_mprotect(td, &ap));
488 }
489
490 int
491 freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap)
492 {
493 struct mmap_args ap;
494 vm_offset_t addr = (vm_offset_t) uap->addr;
495 vm_size_t len = uap->len;
496 int prot = uap->prot;
497 int flags = uap->flags;
498 int fd = uap->fd;
499 off_t pos = PAIR32TO64(off_t,uap->pos);
500 #ifdef __ia64__
501 vm_size_t pageoff;
502 int error;
503
504 /*
505 * Attempt to handle page size hassles.
506 */
507 pageoff = (pos & PAGE_MASK);
508 if (flags & MAP_FIXED) {
509 vm_offset_t start, end;
510 start = addr;
511 end = addr + len;
512
513 if (start != trunc_page(start)) {
514 error = freebsd32_mmap_partial(td, start,
515 round_page(start), prot,
516 fd, pos);
517 if (fd != -1)
518 pos += round_page(start) - start;
519 start = round_page(start);
520 }
521 if (end != round_page(end)) {
522 vm_offset_t t = trunc_page(end);
523 error = freebsd32_mmap_partial(td, t, end,
524 prot, fd,
525 pos + t - start);
526 end = trunc_page(end);
527 }
528 if (end > start && fd != -1 && (pos & PAGE_MASK)) {
529 /*
530 * We can't map this region at all. The specified
531 * address doesn't have the same alignment as the file
532 * position. Fake the mapping by simply reading the
533 * entire region into memory. First we need to make
534 * sure the region exists.
535 */
536 vm_map_t map;
537 struct pread_args r;
538 int rv;
539
540 prot |= VM_PROT_WRITE;
541 map = &td->td_proc->p_vmspace->vm_map;
542 rv = vm_map_remove(map, start, end);
543 if (rv != KERN_SUCCESS)
544 return (EINVAL);
545 rv = vm_map_find(map, NULL, 0, &start, end - start,
546 0, VMFS_NO_SPACE, prot, VM_PROT_ALL, 0);
547 if (rv != KERN_SUCCESS)
548 return (EINVAL);
549 r.fd = fd;
550 r.buf = (void *) start;
551 r.nbyte = end - start;
552 r.offset = pos;
553 error = sys_pread(td, &r);
554 if (error)
555 return (error);
556
557 td->td_retval[0] = addr;
558 return (0);
559 }
560 if (end == start) {
561 /*
562 * After dealing with the ragged ends, there
563 * might be none left.
564 */
565 td->td_retval[0] = addr;
566 return (0);
567 }
568 addr = start;
569 len = end - start;
570 }
571 #endif
572
573 #if defined(__amd64__) || defined(__ia64__)
574 if (i386_read_exec && (prot & PROT_READ))
575 prot |= PROT_EXEC;
576 #endif
577
578 ap.addr = (void *) addr;
579 ap.len = len;
580 ap.prot = prot;
581 ap.flags = flags;
582 ap.fd = fd;
583 ap.pos = pos;
584
585 return (sys_mmap(td, &ap));
586 }
587
588 #ifdef COMPAT_FREEBSD6
589 int
590 freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap)
591 {
592 struct freebsd32_mmap_args ap;
593
594 ap.addr = uap->addr;
595 ap.len = uap->len;
596 ap.prot = uap->prot;
597 ap.flags = uap->flags;
598 ap.fd = uap->fd;
599 ap.pos1 = uap->pos1;
600 ap.pos2 = uap->pos2;
601
602 return (freebsd32_mmap(td, &ap));
603 }
604 #endif
605
606 int
607 freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap)
608 {
609 struct itimerval itv, oitv, *itvp;
610 struct itimerval32 i32;
611 int error;
612
613 if (uap->itv != NULL) {
614 error = copyin(uap->itv, &i32, sizeof(i32));
615 if (error)
616 return (error);
617 TV_CP(i32, itv, it_interval);
618 TV_CP(i32, itv, it_value);
619 itvp = &itv;
620 } else
621 itvp = NULL;
622 error = kern_setitimer(td, uap->which, itvp, &oitv);
623 if (error || uap->oitv == NULL)
624 return (error);
625 TV_CP(oitv, i32, it_interval);
626 TV_CP(oitv, i32, it_value);
627 return (copyout(&i32, uap->oitv, sizeof(i32)));
628 }
629
630 int
631 freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap)
632 {
633 struct itimerval itv;
634 struct itimerval32 i32;
635 int error;
636
637 error = kern_getitimer(td, uap->which, &itv);
638 if (error || uap->itv == NULL)
639 return (error);
640 TV_CP(itv, i32, it_interval);
641 TV_CP(itv, i32, it_value);
642 return (copyout(&i32, uap->itv, sizeof(i32)));
643 }
644
645 int
646 freebsd32_select(struct thread *td, struct freebsd32_select_args *uap)
647 {
648 struct timeval32 tv32;
649 struct timeval tv, *tvp;
650 int error;
651
652 if (uap->tv != NULL) {
653 error = copyin(uap->tv, &tv32, sizeof(tv32));
654 if (error)
655 return (error);
656 CP(tv32, tv, tv_sec);
657 CP(tv32, tv, tv_usec);
658 tvp = &tv;
659 } else
660 tvp = NULL;
661 /*
662 * XXX Do pointers need PTRIN()?
663 */
664 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp,
665 sizeof(int32_t) * 8));
666 }
667
668 int
669 freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap)
670 {
671 struct timespec32 ts32;
672 struct timespec ts;
673 struct timeval tv, *tvp;
674 sigset_t set, *uset;
675 int error;
676
677 if (uap->ts != NULL) {
678 error = copyin(uap->ts, &ts32, sizeof(ts32));
679 if (error != 0)
680 return (error);
681 CP(ts32, ts, tv_sec);
682 CP(ts32, ts, tv_nsec);
683 TIMESPEC_TO_TIMEVAL(&tv, &ts);
684 tvp = &tv;
685 } else
686 tvp = NULL;
687 if (uap->sm != NULL) {
688 error = copyin(uap->sm, &set, sizeof(set));
689 if (error != 0)
690 return (error);
691 uset = &set;
692 } else
693 uset = NULL;
694 /*
695 * XXX Do pointers need PTRIN()?
696 */
697 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp,
698 uset, sizeof(int32_t) * 8);
699 return (error);
700 }
701
702 /*
703 * Copy 'count' items into the destination list pointed to by uap->eventlist.
704 */
705 static int
706 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count)
707 {
708 struct freebsd32_kevent_args *uap;
709 struct kevent32 ks32[KQ_NEVENTS];
710 int i, error = 0;
711
712 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
713 uap = (struct freebsd32_kevent_args *)arg;
714
715 for (i = 0; i < count; i++) {
716 CP(kevp[i], ks32[i], ident);
717 CP(kevp[i], ks32[i], filter);
718 CP(kevp[i], ks32[i], flags);
719 CP(kevp[i], ks32[i], fflags);
720 CP(kevp[i], ks32[i], data);
721 PTROUT_CP(kevp[i], ks32[i], udata);
722 }
723 error = copyout(ks32, uap->eventlist, count * sizeof *ks32);
724 if (error == 0)
725 uap->eventlist += count;
726 return (error);
727 }
728
729 /*
730 * Copy 'count' items from the list pointed to by uap->changelist.
731 */
732 static int
733 freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count)
734 {
735 struct freebsd32_kevent_args *uap;
736 struct kevent32 ks32[KQ_NEVENTS];
737 int i, error = 0;
738
739 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
740 uap = (struct freebsd32_kevent_args *)arg;
741
742 error = copyin(uap->changelist, ks32, count * sizeof *ks32);
743 if (error)
744 goto done;
745 uap->changelist += count;
746
747 for (i = 0; i < count; i++) {
748 CP(ks32[i], kevp[i], ident);
749 CP(ks32[i], kevp[i], filter);
750 CP(ks32[i], kevp[i], flags);
751 CP(ks32[i], kevp[i], fflags);
752 CP(ks32[i], kevp[i], data);
753 PTRIN_CP(ks32[i], kevp[i], udata);
754 }
755 done:
756 return (error);
757 }
758
759 int
760 freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap)
761 {
762 struct timespec32 ts32;
763 struct timespec ts, *tsp;
764 struct kevent_copyops k_ops = { uap,
765 freebsd32_kevent_copyout,
766 freebsd32_kevent_copyin};
767 int error;
768
769
770 if (uap->timeout) {
771 error = copyin(uap->timeout, &ts32, sizeof(ts32));
772 if (error)
773 return (error);
774 CP(ts32, ts, tv_sec);
775 CP(ts32, ts, tv_nsec);
776 tsp = &ts;
777 } else
778 tsp = NULL;
779 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents,
780 &k_ops, tsp);
781 return (error);
782 }
783
784 int
785 freebsd32_gettimeofday(struct thread *td,
786 struct freebsd32_gettimeofday_args *uap)
787 {
788 struct timeval atv;
789 struct timeval32 atv32;
790 struct timezone rtz;
791 int error = 0;
792
793 if (uap->tp) {
794 microtime(&atv);
795 CP(atv, atv32, tv_sec);
796 CP(atv, atv32, tv_usec);
797 error = copyout(&atv32, uap->tp, sizeof (atv32));
798 }
799 if (error == 0 && uap->tzp != NULL) {
800 rtz.tz_minuteswest = tz_minuteswest;
801 rtz.tz_dsttime = tz_dsttime;
802 error = copyout(&rtz, uap->tzp, sizeof (rtz));
803 }
804 return (error);
805 }
806
807 int
808 freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap)
809 {
810 struct rusage32 s32;
811 struct rusage s;
812 int error;
813
814 error = kern_getrusage(td, uap->who, &s);
815 if (error)
816 return (error);
817 if (uap->rusage != NULL) {
818 freebsd32_rusage_out(&s, &s32);
819 error = copyout(&s32, uap->rusage, sizeof(s32));
820 }
821 return (error);
822 }
823
824 static int
825 freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop)
826 {
827 struct iovec32 iov32;
828 struct iovec *iov;
829 struct uio *uio;
830 u_int iovlen;
831 int error, i;
832
833 *uiop = NULL;
834 if (iovcnt > UIO_MAXIOV)
835 return (EINVAL);
836 iovlen = iovcnt * sizeof(struct iovec);
837 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK);
838 iov = (struct iovec *)(uio + 1);
839 for (i = 0; i < iovcnt; i++) {
840 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32));
841 if (error) {
842 free(uio, M_IOV);
843 return (error);
844 }
845 iov[i].iov_base = PTRIN(iov32.iov_base);
846 iov[i].iov_len = iov32.iov_len;
847 }
848 uio->uio_iov = iov;
849 uio->uio_iovcnt = iovcnt;
850 uio->uio_segflg = UIO_USERSPACE;
851 uio->uio_offset = -1;
852 uio->uio_resid = 0;
853 for (i = 0; i < iovcnt; i++) {
854 if (iov->iov_len > INT_MAX - uio->uio_resid) {
855 free(uio, M_IOV);
856 return (EINVAL);
857 }
858 uio->uio_resid += iov->iov_len;
859 iov++;
860 }
861 *uiop = uio;
862 return (0);
863 }
864
865 int
866 freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap)
867 {
868 struct uio *auio;
869 int error;
870
871 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
872 if (error)
873 return (error);
874 error = kern_readv(td, uap->fd, auio);
875 free(auio, M_IOV);
876 return (error);
877 }
878
879 int
880 freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap)
881 {
882 struct uio *auio;
883 int error;
884
885 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
886 if (error)
887 return (error);
888 error = kern_writev(td, uap->fd, auio);
889 free(auio, M_IOV);
890 return (error);
891 }
892
893 int
894 freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap)
895 {
896 struct uio *auio;
897 int error;
898
899 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
900 if (error)
901 return (error);
902 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset));
903 free(auio, M_IOV);
904 return (error);
905 }
906
907 int
908 freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap)
909 {
910 struct uio *auio;
911 int error;
912
913 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
914 if (error)
915 return (error);
916 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset));
917 free(auio, M_IOV);
918 return (error);
919 }
920
921 int
922 freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp,
923 int error)
924 {
925 struct iovec32 iov32;
926 struct iovec *iov;
927 u_int iovlen;
928 int i;
929
930 *iovp = NULL;
931 if (iovcnt > UIO_MAXIOV)
932 return (error);
933 iovlen = iovcnt * sizeof(struct iovec);
934 iov = malloc(iovlen, M_IOV, M_WAITOK);
935 for (i = 0; i < iovcnt; i++) {
936 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32));
937 if (error) {
938 free(iov, M_IOV);
939 return (error);
940 }
941 iov[i].iov_base = PTRIN(iov32.iov_base);
942 iov[i].iov_len = iov32.iov_len;
943 }
944 *iovp = iov;
945 return (0);
946 }
947
948 static int
949 freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg)
950 {
951 struct msghdr32 m32;
952 int error;
953
954 error = copyin(msg32, &m32, sizeof(m32));
955 if (error)
956 return (error);
957 msg->msg_name = PTRIN(m32.msg_name);
958 msg->msg_namelen = m32.msg_namelen;
959 msg->msg_iov = PTRIN(m32.msg_iov);
960 msg->msg_iovlen = m32.msg_iovlen;
961 msg->msg_control = PTRIN(m32.msg_control);
962 msg->msg_controllen = m32.msg_controllen;
963 msg->msg_flags = m32.msg_flags;
964 return (0);
965 }
966
967 static int
968 freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32)
969 {
970 struct msghdr32 m32;
971 int error;
972
973 m32.msg_name = PTROUT(msg->msg_name);
974 m32.msg_namelen = msg->msg_namelen;
975 m32.msg_iov = PTROUT(msg->msg_iov);
976 m32.msg_iovlen = msg->msg_iovlen;
977 m32.msg_control = PTROUT(msg->msg_control);
978 m32.msg_controllen = msg->msg_controllen;
979 m32.msg_flags = msg->msg_flags;
980 error = copyout(&m32, msg32, sizeof(m32));
981 return (error);
982 }
983
984 #ifndef __mips__
985 #define FREEBSD32_ALIGNBYTES (sizeof(int) - 1)
986 #else
987 #define FREEBSD32_ALIGNBYTES (sizeof(long) - 1)
988 #endif
989 #define FREEBSD32_ALIGN(p) \
990 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES)
991 #define FREEBSD32_CMSG_SPACE(l) \
992 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l))
993
994 #define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \
995 FREEBSD32_ALIGN(sizeof(struct cmsghdr)))
996 static int
997 freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control)
998 {
999 struct cmsghdr *cm;
1000 void *data;
1001 socklen_t clen, datalen;
1002 int error;
1003 caddr_t ctlbuf;
1004 int len, maxlen, copylen;
1005 struct mbuf *m;
1006 error = 0;
1007
1008 len = msg->msg_controllen;
1009 maxlen = msg->msg_controllen;
1010 msg->msg_controllen = 0;
1011
1012 m = control;
1013 ctlbuf = msg->msg_control;
1014
1015 while (m && len > 0) {
1016 cm = mtod(m, struct cmsghdr *);
1017 clen = m->m_len;
1018
1019 while (cm != NULL) {
1020
1021 if (sizeof(struct cmsghdr) > clen ||
1022 cm->cmsg_len > clen) {
1023 error = EINVAL;
1024 break;
1025 }
1026
1027 data = CMSG_DATA(cm);
1028 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data;
1029
1030 /* Adjust message length */
1031 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) +
1032 datalen;
1033
1034
1035 /* Copy cmsghdr */
1036 copylen = sizeof(struct cmsghdr);
1037 if (len < copylen) {
1038 msg->msg_flags |= MSG_CTRUNC;
1039 copylen = len;
1040 }
1041
1042 error = copyout(cm,ctlbuf,copylen);
1043 if (error)
1044 goto exit;
1045
1046 ctlbuf += FREEBSD32_ALIGN(copylen);
1047 len -= FREEBSD32_ALIGN(copylen);
1048
1049 if (len <= 0)
1050 break;
1051
1052 /* Copy data */
1053 copylen = datalen;
1054 if (len < copylen) {
1055 msg->msg_flags |= MSG_CTRUNC;
1056 copylen = len;
1057 }
1058
1059 error = copyout(data,ctlbuf,copylen);
1060 if (error)
1061 goto exit;
1062
1063 ctlbuf += FREEBSD32_ALIGN(copylen);
1064 len -= FREEBSD32_ALIGN(copylen);
1065
1066 if (CMSG_SPACE(datalen) < clen) {
1067 clen -= CMSG_SPACE(datalen);
1068 cm = (struct cmsghdr *)
1069 ((caddr_t)cm + CMSG_SPACE(datalen));
1070 } else {
1071 clen = 0;
1072 cm = NULL;
1073 }
1074 }
1075 m = m->m_next;
1076 }
1077
1078 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control;
1079
1080 exit:
1081 return (error);
1082
1083 }
1084
1085 int
1086 freebsd32_recvmsg(td, uap)
1087 struct thread *td;
1088 struct freebsd32_recvmsg_args /* {
1089 int s;
1090 struct msghdr32 *msg;
1091 int flags;
1092 } */ *uap;
1093 {
1094 struct msghdr msg;
1095 struct msghdr32 m32;
1096 struct iovec *uiov, *iov;
1097 struct mbuf *control = NULL;
1098 struct mbuf **controlp;
1099
1100 int error;
1101 error = copyin(uap->msg, &m32, sizeof(m32));
1102 if (error)
1103 return (error);
1104 error = freebsd32_copyinmsghdr(uap->msg, &msg);
1105 if (error)
1106 return (error);
1107 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov,
1108 EMSGSIZE);
1109 if (error)
1110 return (error);
1111 msg.msg_flags = uap->flags;
1112 uiov = msg.msg_iov;
1113 msg.msg_iov = iov;
1114
1115 controlp = (msg.msg_control != NULL) ? &control : NULL;
1116 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp);
1117 if (error == 0) {
1118 msg.msg_iov = uiov;
1119
1120 if (control != NULL)
1121 error = freebsd32_copy_msg_out(&msg, control);
1122 else
1123 msg.msg_controllen = 0;
1124
1125 if (error == 0)
1126 error = freebsd32_copyoutmsghdr(&msg, uap->msg);
1127 }
1128 free(iov, M_IOV);
1129
1130 if (control != NULL)
1131 m_freem(control);
1132
1133 return (error);
1134 }
1135
1136
1137 static int
1138 freebsd32_convert_msg_in(struct mbuf **controlp)
1139 {
1140 struct mbuf *control = *controlp;
1141 struct cmsghdr *cm = mtod(control, struct cmsghdr *);
1142 void *data;
1143 socklen_t clen = control->m_len, datalen;
1144 int error;
1145
1146 error = 0;
1147 *controlp = NULL;
1148
1149 while (cm != NULL) {
1150 if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) {
1151 error = EINVAL;
1152 break;
1153 }
1154
1155 data = FREEBSD32_CMSG_DATA(cm);
1156 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data;
1157
1158 *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type,
1159 cm->cmsg_level);
1160 controlp = &(*controlp)->m_next;
1161
1162 if (FREEBSD32_CMSG_SPACE(datalen) < clen) {
1163 clen -= FREEBSD32_CMSG_SPACE(datalen);
1164 cm = (struct cmsghdr *)
1165 ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen));
1166 } else {
1167 clen = 0;
1168 cm = NULL;
1169 }
1170 }
1171
1172 m_freem(control);
1173 return (error);
1174 }
1175
1176
1177 int
1178 freebsd32_sendmsg(struct thread *td,
1179 struct freebsd32_sendmsg_args *uap)
1180 {
1181 struct msghdr msg;
1182 struct msghdr32 m32;
1183 struct iovec *iov;
1184 struct mbuf *control = NULL;
1185 struct sockaddr *to = NULL;
1186 int error;
1187
1188 error = copyin(uap->msg, &m32, sizeof(m32));
1189 if (error)
1190 return (error);
1191 error = freebsd32_copyinmsghdr(uap->msg, &msg);
1192 if (error)
1193 return (error);
1194 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov,
1195 EMSGSIZE);
1196 if (error)
1197 return (error);
1198 msg.msg_iov = iov;
1199 if (msg.msg_name != NULL) {
1200 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen);
1201 if (error) {
1202 to = NULL;
1203 goto out;
1204 }
1205 msg.msg_name = to;
1206 }
1207
1208 if (msg.msg_control) {
1209 if (msg.msg_controllen < sizeof(struct cmsghdr)) {
1210 error = EINVAL;
1211 goto out;
1212 }
1213
1214 error = sockargs(&control, msg.msg_control,
1215 msg.msg_controllen, MT_CONTROL);
1216 if (error)
1217 goto out;
1218
1219 error = freebsd32_convert_msg_in(&control);
1220 if (error)
1221 goto out;
1222 }
1223
1224 error = kern_sendit(td, uap->s, &msg, uap->flags, control,
1225 UIO_USERSPACE);
1226
1227 out:
1228 free(iov, M_IOV);
1229 if (to)
1230 free(to, M_SONAME);
1231 return (error);
1232 }
1233
1234 int
1235 freebsd32_recvfrom(struct thread *td,
1236 struct freebsd32_recvfrom_args *uap)
1237 {
1238 struct msghdr msg;
1239 struct iovec aiov;
1240 int error;
1241
1242 if (uap->fromlenaddr) {
1243 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen,
1244 sizeof(msg.msg_namelen));
1245 if (error)
1246 return (error);
1247 } else {
1248 msg.msg_namelen = 0;
1249 }
1250
1251 msg.msg_name = PTRIN(uap->from);
1252 msg.msg_iov = &aiov;
1253 msg.msg_iovlen = 1;
1254 aiov.iov_base = PTRIN(uap->buf);
1255 aiov.iov_len = uap->len;
1256 msg.msg_control = NULL;
1257 msg.msg_flags = uap->flags;
1258 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL);
1259 if (error == 0 && uap->fromlenaddr)
1260 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr),
1261 sizeof (msg.msg_namelen));
1262 return (error);
1263 }
1264
1265 int
1266 freebsd32_settimeofday(struct thread *td,
1267 struct freebsd32_settimeofday_args *uap)
1268 {
1269 struct timeval32 tv32;
1270 struct timeval tv, *tvp;
1271 struct timezone tz, *tzp;
1272 int error;
1273
1274 if (uap->tv) {
1275 error = copyin(uap->tv, &tv32, sizeof(tv32));
1276 if (error)
1277 return (error);
1278 CP(tv32, tv, tv_sec);
1279 CP(tv32, tv, tv_usec);
1280 tvp = &tv;
1281 } else
1282 tvp = NULL;
1283 if (uap->tzp) {
1284 error = copyin(uap->tzp, &tz, sizeof(tz));
1285 if (error)
1286 return (error);
1287 tzp = &tz;
1288 } else
1289 tzp = NULL;
1290 return (kern_settimeofday(td, tvp, tzp));
1291 }
1292
1293 int
1294 freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap)
1295 {
1296 struct timeval32 s32[2];
1297 struct timeval s[2], *sp;
1298 int error;
1299
1300 if (uap->tptr != NULL) {
1301 error = copyin(uap->tptr, s32, sizeof(s32));
1302 if (error)
1303 return (error);
1304 CP(s32[0], s[0], tv_sec);
1305 CP(s32[0], s[0], tv_usec);
1306 CP(s32[1], s[1], tv_sec);
1307 CP(s32[1], s[1], tv_usec);
1308 sp = s;
1309 } else
1310 sp = NULL;
1311 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE));
1312 }
1313
1314 int
1315 freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap)
1316 {
1317 struct timeval32 s32[2];
1318 struct timeval s[2], *sp;
1319 int error;
1320
1321 if (uap->tptr != NULL) {
1322 error = copyin(uap->tptr, s32, sizeof(s32));
1323 if (error)
1324 return (error);
1325 CP(s32[0], s[0], tv_sec);
1326 CP(s32[0], s[0], tv_usec);
1327 CP(s32[1], s[1], tv_sec);
1328 CP(s32[1], s[1], tv_usec);
1329 sp = s;
1330 } else
1331 sp = NULL;
1332 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE));
1333 }
1334
1335 int
1336 freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap)
1337 {
1338 struct timeval32 s32[2];
1339 struct timeval s[2], *sp;
1340 int error;
1341
1342 if (uap->tptr != NULL) {
1343 error = copyin(uap->tptr, s32, sizeof(s32));
1344 if (error)
1345 return (error);
1346 CP(s32[0], s[0], tv_sec);
1347 CP(s32[0], s[0], tv_usec);
1348 CP(s32[1], s[1], tv_sec);
1349 CP(s32[1], s[1], tv_usec);
1350 sp = s;
1351 } else
1352 sp = NULL;
1353 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE));
1354 }
1355
1356 int
1357 freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap)
1358 {
1359 struct timeval32 s32[2];
1360 struct timeval s[2], *sp;
1361 int error;
1362
1363 if (uap->times != NULL) {
1364 error = copyin(uap->times, s32, sizeof(s32));
1365 if (error)
1366 return (error);
1367 CP(s32[0], s[0], tv_sec);
1368 CP(s32[0], s[0], tv_usec);
1369 CP(s32[1], s[1], tv_sec);
1370 CP(s32[1], s[1], tv_usec);
1371 sp = s;
1372 } else
1373 sp = NULL;
1374 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE,
1375 sp, UIO_SYSSPACE));
1376 }
1377
1378 int
1379 freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap)
1380 {
1381 struct timeval32 tv32;
1382 struct timeval delta, olddelta, *deltap;
1383 int error;
1384
1385 if (uap->delta) {
1386 error = copyin(uap->delta, &tv32, sizeof(tv32));
1387 if (error)
1388 return (error);
1389 CP(tv32, delta, tv_sec);
1390 CP(tv32, delta, tv_usec);
1391 deltap = δ
1392 } else
1393 deltap = NULL;
1394 error = kern_adjtime(td, deltap, &olddelta);
1395 if (uap->olddelta && error == 0) {
1396 CP(olddelta, tv32, tv_sec);
1397 CP(olddelta, tv32, tv_usec);
1398 error = copyout(&tv32, uap->olddelta, sizeof(tv32));
1399 }
1400 return (error);
1401 }
1402
1403 #ifdef COMPAT_FREEBSD4
1404 int
1405 freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap)
1406 {
1407 struct statfs32 s32;
1408 struct statfs s;
1409 int error;
1410
1411 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s);
1412 if (error)
1413 return (error);
1414 copy_statfs(&s, &s32);
1415 return (copyout(&s32, uap->buf, sizeof(s32)));
1416 }
1417 #endif
1418
1419 #ifdef COMPAT_FREEBSD4
1420 int
1421 freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap)
1422 {
1423 struct statfs32 s32;
1424 struct statfs s;
1425 int error;
1426
1427 error = kern_fstatfs(td, uap->fd, &s);
1428 if (error)
1429 return (error);
1430 copy_statfs(&s, &s32);
1431 return (copyout(&s32, uap->buf, sizeof(s32)));
1432 }
1433 #endif
1434
1435 #ifdef COMPAT_FREEBSD4
1436 int
1437 freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap)
1438 {
1439 struct statfs32 s32;
1440 struct statfs s;
1441 fhandle_t fh;
1442 int error;
1443
1444 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0)
1445 return (error);
1446 error = kern_fhstatfs(td, fh, &s);
1447 if (error)
1448 return (error);
1449 copy_statfs(&s, &s32);
1450 return (copyout(&s32, uap->buf, sizeof(s32)));
1451 }
1452 #endif
1453
1454 int
1455 freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap)
1456 {
1457 struct pread_args ap;
1458
1459 ap.fd = uap->fd;
1460 ap.buf = uap->buf;
1461 ap.nbyte = uap->nbyte;
1462 ap.offset = PAIR32TO64(off_t,uap->offset);
1463 return (sys_pread(td, &ap));
1464 }
1465
1466 int
1467 freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap)
1468 {
1469 struct pwrite_args ap;
1470
1471 ap.fd = uap->fd;
1472 ap.buf = uap->buf;
1473 ap.nbyte = uap->nbyte;
1474 ap.offset = PAIR32TO64(off_t,uap->offset);
1475 return (sys_pwrite(td, &ap));
1476 }
1477
1478 #ifdef COMPAT_43
1479 int
1480 ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap)
1481 {
1482 struct lseek_args nuap;
1483
1484 nuap.fd = uap->fd;
1485 nuap.offset = uap->offset;
1486 nuap.whence = uap->whence;
1487 return (sys_lseek(td, &nuap));
1488 }
1489 #endif
1490
1491 int
1492 freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap)
1493 {
1494 int error;
1495 struct lseek_args ap;
1496 off_t pos;
1497
1498 ap.fd = uap->fd;
1499 ap.offset = PAIR32TO64(off_t,uap->offset);
1500 ap.whence = uap->whence;
1501 error = sys_lseek(td, &ap);
1502 /* Expand the quad return into two parts for eax and edx */
1503 pos = *(off_t *)(td->td_retval);
1504 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
1505 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
1506 return error;
1507 }
1508
1509 int
1510 freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap)
1511 {
1512 struct truncate_args ap;
1513
1514 ap.path = uap->path;
1515 ap.length = PAIR32TO64(off_t,uap->length);
1516 return (sys_truncate(td, &ap));
1517 }
1518
1519 int
1520 freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap)
1521 {
1522 struct ftruncate_args ap;
1523
1524 ap.fd = uap->fd;
1525 ap.length = PAIR32TO64(off_t,uap->length);
1526 return (sys_ftruncate(td, &ap));
1527 }
1528
1529 #ifdef COMPAT_43
1530 int
1531 ofreebsd32_getdirentries(struct thread *td,
1532 struct ofreebsd32_getdirentries_args *uap)
1533 {
1534 struct ogetdirentries_args ap;
1535 int error;
1536 long loff;
1537 int32_t loff_cut;
1538
1539 ap.fd = uap->fd;
1540 ap.buf = uap->buf;
1541 ap.count = uap->count;
1542 ap.basep = NULL;
1543 error = kern_ogetdirentries(td, &ap, &loff);
1544 if (error == 0) {
1545 loff_cut = loff;
1546 error = copyout(&loff_cut, uap->basep, sizeof(int32_t));
1547 }
1548 return (error);
1549 }
1550 #endif
1551
1552 int
1553 freebsd32_getdirentries(struct thread *td,
1554 struct freebsd32_getdirentries_args *uap)
1555 {
1556 long base;
1557 int32_t base32;
1558 int error;
1559
1560 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base,
1561 NULL, UIO_USERSPACE);
1562 if (error)
1563 return (error);
1564 if (uap->basep != NULL) {
1565 base32 = base;
1566 error = copyout(&base32, uap->basep, sizeof(int32_t));
1567 }
1568 return (error);
1569 }
1570
1571 #ifdef COMPAT_FREEBSD6
1572 /* versions with the 'int pad' argument */
1573 int
1574 freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap)
1575 {
1576 struct pread_args ap;
1577
1578 ap.fd = uap->fd;
1579 ap.buf = uap->buf;
1580 ap.nbyte = uap->nbyte;
1581 ap.offset = PAIR32TO64(off_t,uap->offset);
1582 return (sys_pread(td, &ap));
1583 }
1584
1585 int
1586 freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap)
1587 {
1588 struct pwrite_args ap;
1589
1590 ap.fd = uap->fd;
1591 ap.buf = uap->buf;
1592 ap.nbyte = uap->nbyte;
1593 ap.offset = PAIR32TO64(off_t,uap->offset);
1594 return (sys_pwrite(td, &ap));
1595 }
1596
1597 int
1598 freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap)
1599 {
1600 int error;
1601 struct lseek_args ap;
1602 off_t pos;
1603
1604 ap.fd = uap->fd;
1605 ap.offset = PAIR32TO64(off_t,uap->offset);
1606 ap.whence = uap->whence;
1607 error = sys_lseek(td, &ap);
1608 /* Expand the quad return into two parts for eax and edx */
1609 pos = *(off_t *)(td->td_retval);
1610 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
1611 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
1612 return error;
1613 }
1614
1615 int
1616 freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap)
1617 {
1618 struct truncate_args ap;
1619
1620 ap.path = uap->path;
1621 ap.length = PAIR32TO64(off_t,uap->length);
1622 return (sys_truncate(td, &ap));
1623 }
1624
1625 int
1626 freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap)
1627 {
1628 struct ftruncate_args ap;
1629
1630 ap.fd = uap->fd;
1631 ap.length = PAIR32TO64(off_t,uap->length);
1632 return (sys_ftruncate(td, &ap));
1633 }
1634 #endif /* COMPAT_FREEBSD6 */
1635
1636 struct sf_hdtr32 {
1637 uint32_t headers;
1638 int hdr_cnt;
1639 uint32_t trailers;
1640 int trl_cnt;
1641 };
1642
1643 static int
1644 freebsd32_do_sendfile(struct thread *td,
1645 struct freebsd32_sendfile_args *uap, int compat)
1646 {
1647 struct sf_hdtr32 hdtr32;
1648 struct sf_hdtr hdtr;
1649 struct uio *hdr_uio, *trl_uio;
1650 struct iovec32 *iov32;
1651 struct file *fp;
1652 cap_rights_t rights;
1653 off_t offset;
1654 int error;
1655
1656 offset = PAIR32TO64(off_t, uap->offset);
1657 if (offset < 0)
1658 return (EINVAL);
1659
1660 hdr_uio = trl_uio = NULL;
1661
1662 if (uap->hdtr != NULL) {
1663 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32));
1664 if (error)
1665 goto out;
1666 PTRIN_CP(hdtr32, hdtr, headers);
1667 CP(hdtr32, hdtr, hdr_cnt);
1668 PTRIN_CP(hdtr32, hdtr, trailers);
1669 CP(hdtr32, hdtr, trl_cnt);
1670
1671 if (hdtr.headers != NULL) {
1672 iov32 = PTRIN(hdtr32.headers);
1673 error = freebsd32_copyinuio(iov32,
1674 hdtr32.hdr_cnt, &hdr_uio);
1675 if (error)
1676 goto out;
1677 }
1678 if (hdtr.trailers != NULL) {
1679 iov32 = PTRIN(hdtr32.trailers);
1680 error = freebsd32_copyinuio(iov32,
1681 hdtr32.trl_cnt, &trl_uio);
1682 if (error)
1683 goto out;
1684 }
1685 }
1686
1687 AUDIT_ARG_FD(uap->fd);
1688
1689 if ((error = fget_read(td, uap->fd,
1690 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0) {
1691 goto out;
1692 }
1693
1694 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset,
1695 uap->nbytes, uap->sbytes, uap->flags, compat ? SFK_COMPAT : 0, td);
1696 fdrop(fp, td);
1697
1698 out:
1699 if (hdr_uio)
1700 free(hdr_uio, M_IOV);
1701 if (trl_uio)
1702 free(trl_uio, M_IOV);
1703 return (error);
1704 }
1705
1706 #ifdef COMPAT_FREEBSD4
1707 int
1708 freebsd4_freebsd32_sendfile(struct thread *td,
1709 struct freebsd4_freebsd32_sendfile_args *uap)
1710 {
1711 return (freebsd32_do_sendfile(td,
1712 (struct freebsd32_sendfile_args *)uap, 1));
1713 }
1714 #endif
1715
1716 int
1717 freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap)
1718 {
1719
1720 return (freebsd32_do_sendfile(td, uap, 0));
1721 }
1722
1723 static void
1724 copy_stat(struct stat *in, struct stat32 *out)
1725 {
1726
1727 CP(*in, *out, st_dev);
1728 CP(*in, *out, st_ino);
1729 CP(*in, *out, st_mode);
1730 CP(*in, *out, st_nlink);
1731 CP(*in, *out, st_uid);
1732 CP(*in, *out, st_gid);
1733 CP(*in, *out, st_rdev);
1734 TS_CP(*in, *out, st_atim);
1735 TS_CP(*in, *out, st_mtim);
1736 TS_CP(*in, *out, st_ctim);
1737 CP(*in, *out, st_size);
1738 CP(*in, *out, st_blocks);
1739 CP(*in, *out, st_blksize);
1740 CP(*in, *out, st_flags);
1741 CP(*in, *out, st_gen);
1742 TS_CP(*in, *out, st_birthtim);
1743 }
1744
1745 #ifdef COMPAT_43
1746 static void
1747 copy_ostat(struct stat *in, struct ostat32 *out)
1748 {
1749
1750 CP(*in, *out, st_dev);
1751 CP(*in, *out, st_ino);
1752 CP(*in, *out, st_mode);
1753 CP(*in, *out, st_nlink);
1754 CP(*in, *out, st_uid);
1755 CP(*in, *out, st_gid);
1756 CP(*in, *out, st_rdev);
1757 CP(*in, *out, st_size);
1758 TS_CP(*in, *out, st_atim);
1759 TS_CP(*in, *out, st_mtim);
1760 TS_CP(*in, *out, st_ctim);
1761 CP(*in, *out, st_blksize);
1762 CP(*in, *out, st_blocks);
1763 CP(*in, *out, st_flags);
1764 CP(*in, *out, st_gen);
1765 }
1766 #endif
1767
1768 int
1769 freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap)
1770 {
1771 struct stat sb;
1772 struct stat32 sb32;
1773 int error;
1774
1775 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb);
1776 if (error)
1777 return (error);
1778 copy_stat(&sb, &sb32);
1779 error = copyout(&sb32, uap->ub, sizeof (sb32));
1780 return (error);
1781 }
1782
1783 #ifdef COMPAT_43
1784 int
1785 ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap)
1786 {
1787 struct stat sb;
1788 struct ostat32 sb32;
1789 int error;
1790
1791 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb);
1792 if (error)
1793 return (error);
1794 copy_ostat(&sb, &sb32);
1795 error = copyout(&sb32, uap->ub, sizeof (sb32));
1796 return (error);
1797 }
1798 #endif
1799
1800 int
1801 freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap)
1802 {
1803 struct stat ub;
1804 struct stat32 ub32;
1805 int error;
1806
1807 error = kern_fstat(td, uap->fd, &ub);
1808 if (error)
1809 return (error);
1810 copy_stat(&ub, &ub32);
1811 error = copyout(&ub32, uap->ub, sizeof(ub32));
1812 return (error);
1813 }
1814
1815 #ifdef COMPAT_43
1816 int
1817 ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap)
1818 {
1819 struct stat ub;
1820 struct ostat32 ub32;
1821 int error;
1822
1823 error = kern_fstat(td, uap->fd, &ub);
1824 if (error)
1825 return (error);
1826 copy_ostat(&ub, &ub32);
1827 error = copyout(&ub32, uap->ub, sizeof(ub32));
1828 return (error);
1829 }
1830 #endif
1831
1832 int
1833 freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap)
1834 {
1835 struct stat ub;
1836 struct stat32 ub32;
1837 int error;
1838
1839 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub);
1840 if (error)
1841 return (error);
1842 copy_stat(&ub, &ub32);
1843 error = copyout(&ub32, uap->buf, sizeof(ub32));
1844 return (error);
1845 }
1846
1847 int
1848 freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap)
1849 {
1850 struct stat sb;
1851 struct stat32 sb32;
1852 int error;
1853
1854 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb);
1855 if (error)
1856 return (error);
1857 copy_stat(&sb, &sb32);
1858 error = copyout(&sb32, uap->ub, sizeof (sb32));
1859 return (error);
1860 }
1861
1862 #ifdef COMPAT_43
1863 int
1864 ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap)
1865 {
1866 struct stat sb;
1867 struct ostat32 sb32;
1868 int error;
1869
1870 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb);
1871 if (error)
1872 return (error);
1873 copy_ostat(&sb, &sb32);
1874 error = copyout(&sb32, uap->ub, sizeof (sb32));
1875 return (error);
1876 }
1877 #endif
1878
1879 int
1880 freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap)
1881 {
1882 int error, name[CTL_MAXNAME];
1883 size_t j, oldlen;
1884
1885 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2)
1886 return (EINVAL);
1887 error = copyin(uap->name, name, uap->namelen * sizeof(int));
1888 if (error)
1889 return (error);
1890 if (uap->oldlenp)
1891 oldlen = fuword32(uap->oldlenp);
1892 else
1893 oldlen = 0;
1894 error = userland_sysctl(td, name, uap->namelen,
1895 uap->old, &oldlen, 1,
1896 uap->new, uap->newlen, &j, SCTL_MASK32);
1897 if (error && error != ENOMEM)
1898 return (error);
1899 if (uap->oldlenp)
1900 suword32(uap->oldlenp, j);
1901 return (0);
1902 }
1903
1904 int
1905 freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap)
1906 {
1907 uint32_t version;
1908 int error;
1909 struct jail j;
1910
1911 error = copyin(uap->jail, &version, sizeof(uint32_t));
1912 if (error)
1913 return (error);
1914
1915 switch (version) {
1916 case 0:
1917 {
1918 /* FreeBSD single IPv4 jails. */
1919 struct jail32_v0 j32_v0;
1920
1921 bzero(&j, sizeof(struct jail));
1922 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0));
1923 if (error)
1924 return (error);
1925 CP(j32_v0, j, version);
1926 PTRIN_CP(j32_v0, j, path);
1927 PTRIN_CP(j32_v0, j, hostname);
1928 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */
1929 break;
1930 }
1931
1932 case 1:
1933 /*
1934 * Version 1 was used by multi-IPv4 jail implementations
1935 * that never made it into the official kernel.
1936 */
1937 return (EINVAL);
1938
1939 case 2: /* JAIL_API_VERSION */
1940 {
1941 /* FreeBSD multi-IPv4/IPv6,noIP jails. */
1942 struct jail32 j32;
1943
1944 error = copyin(uap->jail, &j32, sizeof(struct jail32));
1945 if (error)
1946 return (error);
1947 CP(j32, j, version);
1948 PTRIN_CP(j32, j, path);
1949 PTRIN_CP(j32, j, hostname);
1950 PTRIN_CP(j32, j, jailname);
1951 CP(j32, j, ip4s);
1952 CP(j32, j, ip6s);
1953 PTRIN_CP(j32, j, ip4);
1954 PTRIN_CP(j32, j, ip6);
1955 break;
1956 }
1957
1958 default:
1959 /* Sci-Fi jails are not supported, sorry. */
1960 return (EINVAL);
1961 }
1962 return (kern_jail(td, &j));
1963 }
1964
1965 int
1966 freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap)
1967 {
1968 struct uio *auio;
1969 int error;
1970
1971 /* Check that we have an even number of iovecs. */
1972 if (uap->iovcnt & 1)
1973 return (EINVAL);
1974
1975 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1976 if (error)
1977 return (error);
1978 error = kern_jail_set(td, auio, uap->flags);
1979 free(auio, M_IOV);
1980 return (error);
1981 }
1982
1983 int
1984 freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap)
1985 {
1986 struct iovec32 iov32;
1987 struct uio *auio;
1988 int error, i;
1989
1990 /* Check that we have an even number of iovecs. */
1991 if (uap->iovcnt & 1)
1992 return (EINVAL);
1993
1994 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1995 if (error)
1996 return (error);
1997 error = kern_jail_get(td, auio, uap->flags);
1998 if (error == 0)
1999 for (i = 0; i < uap->iovcnt; i++) {
2000 PTROUT_CP(auio->uio_iov[i], iov32, iov_base);
2001 CP(auio->uio_iov[i], iov32, iov_len);
2002 error = copyout(&iov32, uap->iovp + i, sizeof(iov32));
2003 if (error != 0)
2004 break;
2005 }
2006 free(auio, M_IOV);
2007 return (error);
2008 }
2009
2010 int
2011 freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap)
2012 {
2013 struct sigaction32 s32;
2014 struct sigaction sa, osa, *sap;
2015 int error;
2016
2017 if (uap->act) {
2018 error = copyin(uap->act, &s32, sizeof(s32));
2019 if (error)
2020 return (error);
2021 sa.sa_handler = PTRIN(s32.sa_u);
2022 CP(s32, sa, sa_flags);
2023 CP(s32, sa, sa_mask);
2024 sap = &sa;
2025 } else
2026 sap = NULL;
2027 error = kern_sigaction(td, uap->sig, sap, &osa, 0);
2028 if (error == 0 && uap->oact != NULL) {
2029 s32.sa_u = PTROUT(osa.sa_handler);
2030 CP(osa, s32, sa_flags);
2031 CP(osa, s32, sa_mask);
2032 error = copyout(&s32, uap->oact, sizeof(s32));
2033 }
2034 return (error);
2035 }
2036
2037 #ifdef COMPAT_FREEBSD4
2038 int
2039 freebsd4_freebsd32_sigaction(struct thread *td,
2040 struct freebsd4_freebsd32_sigaction_args *uap)
2041 {
2042 struct sigaction32 s32;
2043 struct sigaction sa, osa, *sap;
2044 int error;
2045
2046 if (uap->act) {
2047 error = copyin(uap->act, &s32, sizeof(s32));
2048 if (error)
2049 return (error);
2050 sa.sa_handler = PTRIN(s32.sa_u);
2051 CP(s32, sa, sa_flags);
2052 CP(s32, sa, sa_mask);
2053 sap = &sa;
2054 } else
2055 sap = NULL;
2056 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4);
2057 if (error == 0 && uap->oact != NULL) {
2058 s32.sa_u = PTROUT(osa.sa_handler);
2059 CP(osa, s32, sa_flags);
2060 CP(osa, s32, sa_mask);
2061 error = copyout(&s32, uap->oact, sizeof(s32));
2062 }
2063 return (error);
2064 }
2065 #endif
2066
2067 #ifdef COMPAT_43
2068 struct osigaction32 {
2069 u_int32_t sa_u;
2070 osigset_t sa_mask;
2071 int sa_flags;
2072 };
2073
2074 #define ONSIG 32
2075
2076 int
2077 ofreebsd32_sigaction(struct thread *td,
2078 struct ofreebsd32_sigaction_args *uap)
2079 {
2080 struct osigaction32 s32;
2081 struct sigaction sa, osa, *sap;
2082 int error;
2083
2084 if (uap->signum <= 0 || uap->signum >= ONSIG)
2085 return (EINVAL);
2086
2087 if (uap->nsa) {
2088 error = copyin(uap->nsa, &s32, sizeof(s32));
2089 if (error)
2090 return (error);
2091 sa.sa_handler = PTRIN(s32.sa_u);
2092 CP(s32, sa, sa_flags);
2093 OSIG2SIG(s32.sa_mask, sa.sa_mask);
2094 sap = &sa;
2095 } else
2096 sap = NULL;
2097 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
2098 if (error == 0 && uap->osa != NULL) {
2099 s32.sa_u = PTROUT(osa.sa_handler);
2100 CP(osa, s32, sa_flags);
2101 SIG2OSIG(osa.sa_mask, s32.sa_mask);
2102 error = copyout(&s32, uap->osa, sizeof(s32));
2103 }
2104 return (error);
2105 }
2106
2107 int
2108 ofreebsd32_sigprocmask(struct thread *td,
2109 struct ofreebsd32_sigprocmask_args *uap)
2110 {
2111 sigset_t set, oset;
2112 int error;
2113
2114 OSIG2SIG(uap->mask, set);
2115 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD);
2116 SIG2OSIG(oset, td->td_retval[0]);
2117 return (error);
2118 }
2119
2120 int
2121 ofreebsd32_sigpending(struct thread *td,
2122 struct ofreebsd32_sigpending_args *uap)
2123 {
2124 struct proc *p = td->td_proc;
2125 sigset_t siglist;
2126
2127 PROC_LOCK(p);
2128 siglist = p->p_siglist;
2129 SIGSETOR(siglist, td->td_siglist);
2130 PROC_UNLOCK(p);
2131 SIG2OSIG(siglist, td->td_retval[0]);
2132 return (0);
2133 }
2134
2135 struct sigvec32 {
2136 u_int32_t sv_handler;
2137 int sv_mask;
2138 int sv_flags;
2139 };
2140
2141 int
2142 ofreebsd32_sigvec(struct thread *td,
2143 struct ofreebsd32_sigvec_args *uap)
2144 {
2145 struct sigvec32 vec;
2146 struct sigaction sa, osa, *sap;
2147 int error;
2148
2149 if (uap->signum <= 0 || uap->signum >= ONSIG)
2150 return (EINVAL);
2151
2152 if (uap->nsv) {
2153 error = copyin(uap->nsv, &vec, sizeof(vec));
2154 if (error)
2155 return (error);
2156 sa.sa_handler = PTRIN(vec.sv_handler);
2157 OSIG2SIG(vec.sv_mask, sa.sa_mask);
2158 sa.sa_flags = vec.sv_flags;
2159 sa.sa_flags ^= SA_RESTART;
2160 sap = &sa;
2161 } else
2162 sap = NULL;
2163 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
2164 if (error == 0 && uap->osv != NULL) {
2165 vec.sv_handler = PTROUT(osa.sa_handler);
2166 SIG2OSIG(osa.sa_mask, vec.sv_mask);
2167 vec.sv_flags = osa.sa_flags;
2168 vec.sv_flags &= ~SA_NOCLDWAIT;
2169 vec.sv_flags ^= SA_RESTART;
2170 error = copyout(&vec, uap->osv, sizeof(vec));
2171 }
2172 return (error);
2173 }
2174
2175 int
2176 ofreebsd32_sigblock(struct thread *td,
2177 struct ofreebsd32_sigblock_args *uap)
2178 {
2179 sigset_t set, oset;
2180
2181 OSIG2SIG(uap->mask, set);
2182 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0);
2183 SIG2OSIG(oset, td->td_retval[0]);
2184 return (0);
2185 }
2186
2187 int
2188 ofreebsd32_sigsetmask(struct thread *td,
2189 struct ofreebsd32_sigsetmask_args *uap)
2190 {
2191 sigset_t set, oset;
2192
2193 OSIG2SIG(uap->mask, set);
2194 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0);
2195 SIG2OSIG(oset, td->td_retval[0]);
2196 return (0);
2197 }
2198
2199 int
2200 ofreebsd32_sigsuspend(struct thread *td,
2201 struct ofreebsd32_sigsuspend_args *uap)
2202 {
2203 sigset_t mask;
2204
2205 OSIG2SIG(uap->mask, mask);
2206 return (kern_sigsuspend(td, mask));
2207 }
2208
2209 struct sigstack32 {
2210 u_int32_t ss_sp;
2211 int ss_onstack;
2212 };
2213
2214 int
2215 ofreebsd32_sigstack(struct thread *td,
2216 struct ofreebsd32_sigstack_args *uap)
2217 {
2218 struct sigstack32 s32;
2219 struct sigstack nss, oss;
2220 int error = 0, unss;
2221
2222 if (uap->nss != NULL) {
2223 error = copyin(uap->nss, &s32, sizeof(s32));
2224 if (error)
2225 return (error);
2226 nss.ss_sp = PTRIN(s32.ss_sp);
2227 CP(s32, nss, ss_onstack);
2228 unss = 1;
2229 } else {
2230 unss = 0;
2231 }
2232 oss.ss_sp = td->td_sigstk.ss_sp;
2233 oss.ss_onstack = sigonstack(cpu_getstack(td));
2234 if (unss) {
2235 td->td_sigstk.ss_sp = nss.ss_sp;
2236 td->td_sigstk.ss_size = 0;
2237 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK);
2238 td->td_pflags |= TDP_ALTSTACK;
2239 }
2240 if (uap->oss != NULL) {
2241 s32.ss_sp = PTROUT(oss.ss_sp);
2242 CP(oss, s32, ss_onstack);
2243 error = copyout(&s32, uap->oss, sizeof(s32));
2244 }
2245 return (error);
2246 }
2247 #endif
2248
2249 int
2250 freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap)
2251 {
2252 struct timespec32 rmt32, rqt32;
2253 struct timespec rmt, rqt;
2254 int error;
2255
2256 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32));
2257 if (error)
2258 return (error);
2259
2260 CP(rqt32, rqt, tv_sec);
2261 CP(rqt32, rqt, tv_nsec);
2262
2263 if (uap->rmtp &&
2264 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE))
2265 return (EFAULT);
2266 error = kern_nanosleep(td, &rqt, &rmt);
2267 if (error && uap->rmtp) {
2268 int error2;
2269
2270 CP(rmt, rmt32, tv_sec);
2271 CP(rmt, rmt32, tv_nsec);
2272
2273 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32));
2274 if (error2)
2275 error = error2;
2276 }
2277 return (error);
2278 }
2279
2280 int
2281 freebsd32_clock_gettime(struct thread *td,
2282 struct freebsd32_clock_gettime_args *uap)
2283 {
2284 struct timespec ats;
2285 struct timespec32 ats32;
2286 int error;
2287
2288 error = kern_clock_gettime(td, uap->clock_id, &ats);
2289 if (error == 0) {
2290 CP(ats, ats32, tv_sec);
2291 CP(ats, ats32, tv_nsec);
2292 error = copyout(&ats32, uap->tp, sizeof(ats32));
2293 }
2294 return (error);
2295 }
2296
2297 int
2298 freebsd32_clock_settime(struct thread *td,
2299 struct freebsd32_clock_settime_args *uap)
2300 {
2301 struct timespec ats;
2302 struct timespec32 ats32;
2303 int error;
2304
2305 error = copyin(uap->tp, &ats32, sizeof(ats32));
2306 if (error)
2307 return (error);
2308 CP(ats32, ats, tv_sec);
2309 CP(ats32, ats, tv_nsec);
2310
2311 return (kern_clock_settime(td, uap->clock_id, &ats));
2312 }
2313
2314 int
2315 freebsd32_clock_getres(struct thread *td,
2316 struct freebsd32_clock_getres_args *uap)
2317 {
2318 struct timespec ts;
2319 struct timespec32 ts32;
2320 int error;
2321
2322 if (uap->tp == NULL)
2323 return (0);
2324 error = kern_clock_getres(td, uap->clock_id, &ts);
2325 if (error == 0) {
2326 CP(ts, ts32, tv_sec);
2327 CP(ts, ts32, tv_nsec);
2328 error = copyout(&ts32, uap->tp, sizeof(ts32));
2329 }
2330 return (error);
2331 }
2332
2333 int freebsd32_ktimer_create(struct thread *td,
2334 struct freebsd32_ktimer_create_args *uap)
2335 {
2336 struct sigevent32 ev32;
2337 struct sigevent ev, *evp;
2338 int error, id;
2339
2340 if (uap->evp == NULL) {
2341 evp = NULL;
2342 } else {
2343 evp = &ev;
2344 error = copyin(uap->evp, &ev32, sizeof(ev32));
2345 if (error != 0)
2346 return (error);
2347 error = convert_sigevent32(&ev32, &ev);
2348 if (error != 0)
2349 return (error);
2350 }
2351 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1);
2352 if (error == 0) {
2353 error = copyout(&id, uap->timerid, sizeof(int));
2354 if (error != 0)
2355 kern_ktimer_delete(td, id);
2356 }
2357 return (error);
2358 }
2359
2360 int
2361 freebsd32_ktimer_settime(struct thread *td,
2362 struct freebsd32_ktimer_settime_args *uap)
2363 {
2364 struct itimerspec32 val32, oval32;
2365 struct itimerspec val, oval, *ovalp;
2366 int error;
2367
2368 error = copyin(uap->value, &val32, sizeof(val32));
2369 if (error != 0)
2370 return (error);
2371 ITS_CP(val32, val);
2372 ovalp = uap->ovalue != NULL ? &oval : NULL;
2373 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp);
2374 if (error == 0 && uap->ovalue != NULL) {
2375 ITS_CP(oval, oval32);
2376 error = copyout(&oval32, uap->ovalue, sizeof(oval32));
2377 }
2378 return (error);
2379 }
2380
2381 int
2382 freebsd32_ktimer_gettime(struct thread *td,
2383 struct freebsd32_ktimer_gettime_args *uap)
2384 {
2385 struct itimerspec32 val32;
2386 struct itimerspec val;
2387 int error;
2388
2389 error = kern_ktimer_gettime(td, uap->timerid, &val);
2390 if (error == 0) {
2391 ITS_CP(val, val32);
2392 error = copyout(&val32, uap->value, sizeof(val32));
2393 }
2394 return (error);
2395 }
2396
2397 int
2398 freebsd32_clock_getcpuclockid2(struct thread *td,
2399 struct freebsd32_clock_getcpuclockid2_args *uap)
2400 {
2401 clockid_t clk_id;
2402 int error;
2403
2404 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id),
2405 uap->which, &clk_id);
2406 if (error == 0)
2407 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t));
2408 return (error);
2409 }
2410
2411 int
2412 freebsd32_thr_new(struct thread *td,
2413 struct freebsd32_thr_new_args *uap)
2414 {
2415 struct thr_param32 param32;
2416 struct thr_param param;
2417 int error;
2418
2419 if (uap->param_size < 0 ||
2420 uap->param_size > sizeof(struct thr_param32))
2421 return (EINVAL);
2422 bzero(¶m, sizeof(struct thr_param));
2423 bzero(¶m32, sizeof(struct thr_param32));
2424 error = copyin(uap->param, ¶m32, uap->param_size);
2425 if (error != 0)
2426 return (error);
2427 param.start_func = PTRIN(param32.start_func);
2428 param.arg = PTRIN(param32.arg);
2429 param.stack_base = PTRIN(param32.stack_base);
2430 param.stack_size = param32.stack_size;
2431 param.tls_base = PTRIN(param32.tls_base);
2432 param.tls_size = param32.tls_size;
2433 param.child_tid = PTRIN(param32.child_tid);
2434 param.parent_tid = PTRIN(param32.parent_tid);
2435 param.flags = param32.flags;
2436 param.rtp = PTRIN(param32.rtp);
2437 param.spare[0] = PTRIN(param32.spare[0]);
2438 param.spare[1] = PTRIN(param32.spare[1]);
2439 param.spare[2] = PTRIN(param32.spare[2]);
2440
2441 return (kern_thr_new(td, ¶m));
2442 }
2443
2444 int
2445 freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap)
2446 {
2447 struct timespec32 ts32;
2448 struct timespec ts, *tsp;
2449 int error;
2450
2451 error = 0;
2452 tsp = NULL;
2453 if (uap->timeout != NULL) {
2454 error = copyin((const void *)uap->timeout, (void *)&ts32,
2455 sizeof(struct timespec32));
2456 if (error != 0)
2457 return (error);
2458 ts.tv_sec = ts32.tv_sec;
2459 ts.tv_nsec = ts32.tv_nsec;
2460 tsp = &ts;
2461 }
2462 return (kern_thr_suspend(td, tsp));
2463 }
2464
2465 void
2466 siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst)
2467 {
2468 bzero(dst, sizeof(*dst));
2469 dst->si_signo = src->si_signo;
2470 dst->si_errno = src->si_errno;
2471 dst->si_code = src->si_code;
2472 dst->si_pid = src->si_pid;
2473 dst->si_uid = src->si_uid;
2474 dst->si_status = src->si_status;
2475 dst->si_addr = (uintptr_t)src->si_addr;
2476 dst->si_value.sival_int = src->si_value.sival_int;
2477 dst->si_timerid = src->si_timerid;
2478 dst->si_overrun = src->si_overrun;
2479 }
2480
2481 int
2482 freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap)
2483 {
2484 struct timespec32 ts32;
2485 struct timespec ts;
2486 struct timespec *timeout;
2487 sigset_t set;
2488 ksiginfo_t ksi;
2489 struct siginfo32 si32;
2490 int error;
2491
2492 if (uap->timeout) {
2493 error = copyin(uap->timeout, &ts32, sizeof(ts32));
2494 if (error)
2495 return (error);
2496 ts.tv_sec = ts32.tv_sec;
2497 ts.tv_nsec = ts32.tv_nsec;
2498 timeout = &ts;
2499 } else
2500 timeout = NULL;
2501
2502 error = copyin(uap->set, &set, sizeof(set));
2503 if (error)
2504 return (error);
2505
2506 error = kern_sigtimedwait(td, set, &ksi, timeout);
2507 if (error)
2508 return (error);
2509
2510 if (uap->info) {
2511 siginfo_to_siginfo32(&ksi.ksi_info, &si32);
2512 error = copyout(&si32, uap->info, sizeof(struct siginfo32));
2513 }
2514
2515 if (error == 0)
2516 td->td_retval[0] = ksi.ksi_signo;
2517 return (error);
2518 }
2519
2520 /*
2521 * MPSAFE
2522 */
2523 int
2524 freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap)
2525 {
2526 ksiginfo_t ksi;
2527 struct siginfo32 si32;
2528 sigset_t set;
2529 int error;
2530
2531 error = copyin(uap->set, &set, sizeof(set));
2532 if (error)
2533 return (error);
2534
2535 error = kern_sigtimedwait(td, set, &ksi, NULL);
2536 if (error)
2537 return (error);
2538
2539 if (uap->info) {
2540 siginfo_to_siginfo32(&ksi.ksi_info, &si32);
2541 error = copyout(&si32, uap->info, sizeof(struct siginfo32));
2542 }
2543 if (error == 0)
2544 td->td_retval[0] = ksi.ksi_signo;
2545 return (error);
2546 }
2547
2548 int
2549 freebsd32_cpuset_setid(struct thread *td,
2550 struct freebsd32_cpuset_setid_args *uap)
2551 {
2552 struct cpuset_setid_args ap;
2553
2554 ap.which = uap->which;
2555 ap.id = PAIR32TO64(id_t,uap->id);
2556 ap.setid = uap->setid;
2557
2558 return (sys_cpuset_setid(td, &ap));
2559 }
2560
2561 int
2562 freebsd32_cpuset_getid(struct thread *td,
2563 struct freebsd32_cpuset_getid_args *uap)
2564 {
2565 struct cpuset_getid_args ap;
2566
2567 ap.level = uap->level;
2568 ap.which = uap->which;
2569 ap.id = PAIR32TO64(id_t,uap->id);
2570 ap.setid = uap->setid;
2571
2572 return (sys_cpuset_getid(td, &ap));
2573 }
2574
2575 int
2576 freebsd32_cpuset_getaffinity(struct thread *td,
2577 struct freebsd32_cpuset_getaffinity_args *uap)
2578 {
2579 struct cpuset_getaffinity_args ap;
2580
2581 ap.level = uap->level;
2582 ap.which = uap->which;
2583 ap.id = PAIR32TO64(id_t,uap->id);
2584 ap.cpusetsize = uap->cpusetsize;
2585 ap.mask = uap->mask;
2586
2587 return (sys_cpuset_getaffinity(td, &ap));
2588 }
2589
2590 int
2591 freebsd32_cpuset_setaffinity(struct thread *td,
2592 struct freebsd32_cpuset_setaffinity_args *uap)
2593 {
2594 struct cpuset_setaffinity_args ap;
2595
2596 ap.level = uap->level;
2597 ap.which = uap->which;
2598 ap.id = PAIR32TO64(id_t,uap->id);
2599 ap.cpusetsize = uap->cpusetsize;
2600 ap.mask = uap->mask;
2601
2602 return (sys_cpuset_setaffinity(td, &ap));
2603 }
2604
2605 int
2606 freebsd32_nmount(struct thread *td,
2607 struct freebsd32_nmount_args /* {
2608 struct iovec *iovp;
2609 unsigned int iovcnt;
2610 int flags;
2611 } */ *uap)
2612 {
2613 struct uio *auio;
2614 uint64_t flags;
2615 int error;
2616
2617 /*
2618 * Mount flags are now 64-bits. On 32-bit archtectures only
2619 * 32-bits are passed in, but from here on everything handles
2620 * 64-bit flags correctly.
2621 */
2622 flags = uap->flags;
2623
2624 AUDIT_ARG_FFLAGS(flags);
2625
2626 /*
2627 * Filter out MNT_ROOTFS. We do not want clients of nmount() in
2628 * userspace to set this flag, but we must filter it out if we want
2629 * MNT_UPDATE on the root file system to work.
2630 * MNT_ROOTFS should only be set by the kernel when mounting its
2631 * root file system.
2632 */
2633 flags &= ~MNT_ROOTFS;
2634
2635 /*
2636 * check that we have an even number of iovec's
2637 * and that we have at least two options.
2638 */
2639 if ((uap->iovcnt & 1) || (uap->iovcnt < 4))
2640 return (EINVAL);
2641
2642 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
2643 if (error)
2644 return (error);
2645 error = vfs_donmount(td, flags, auio);
2646
2647 free(auio, M_IOV);
2648 return error;
2649 }
2650
2651 #if 0
2652 int
2653 freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap)
2654 {
2655 struct yyy32 *p32, s32;
2656 struct yyy *p = NULL, s;
2657 struct xxx_arg ap;
2658 int error;
2659
2660 if (uap->zzz) {
2661 error = copyin(uap->zzz, &s32, sizeof(s32));
2662 if (error)
2663 return (error);
2664 /* translate in */
2665 p = &s;
2666 }
2667 error = kern_xxx(td, p);
2668 if (error)
2669 return (error);
2670 if (uap->zzz) {
2671 /* translate out */
2672 error = copyout(&s32, p32, sizeof(s32));
2673 }
2674 return (error);
2675 }
2676 #endif
2677
2678 int
2679 syscall32_register(int *offset, struct sysent *new_sysent,
2680 struct sysent *old_sysent)
2681 {
2682 if (*offset == NO_SYSCALL) {
2683 int i;
2684
2685 for (i = 1; i < SYS_MAXSYSCALL; ++i)
2686 if (freebsd32_sysent[i].sy_call ==
2687 (sy_call_t *)lkmnosys)
2688 break;
2689 if (i == SYS_MAXSYSCALL)
2690 return (ENFILE);
2691 *offset = i;
2692 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL)
2693 return (EINVAL);
2694 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys &&
2695 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys)
2696 return (EEXIST);
2697
2698 *old_sysent = freebsd32_sysent[*offset];
2699 freebsd32_sysent[*offset] = *new_sysent;
2700 return 0;
2701 }
2702
2703 int
2704 syscall32_deregister(int *offset, struct sysent *old_sysent)
2705 {
2706
2707 if (*offset)
2708 freebsd32_sysent[*offset] = *old_sysent;
2709 return 0;
2710 }
2711
2712 int
2713 syscall32_module_handler(struct module *mod, int what, void *arg)
2714 {
2715 struct syscall_module_data *data = (struct syscall_module_data*)arg;
2716 modspecific_t ms;
2717 int error;
2718
2719 switch (what) {
2720 case MOD_LOAD:
2721 error = syscall32_register(data->offset, data->new_sysent,
2722 &data->old_sysent);
2723 if (error) {
2724 /* Leave a mark so we know to safely unload below. */
2725 data->offset = NULL;
2726 return error;
2727 }
2728 ms.intval = *data->offset;
2729 MOD_XLOCK;
2730 module_setspecific(mod, &ms);
2731 MOD_XUNLOCK;
2732 if (data->chainevh)
2733 error = data->chainevh(mod, what, data->chainarg);
2734 return (error);
2735 case MOD_UNLOAD:
2736 /*
2737 * MOD_LOAD failed, so just return without calling the
2738 * chained handler since we didn't pass along the MOD_LOAD
2739 * event.
2740 */
2741 if (data->offset == NULL)
2742 return (0);
2743 if (data->chainevh) {
2744 error = data->chainevh(mod, what, data->chainarg);
2745 if (error)
2746 return (error);
2747 }
2748 error = syscall32_deregister(data->offset, &data->old_sysent);
2749 return (error);
2750 default:
2751 error = EOPNOTSUPP;
2752 if (data->chainevh)
2753 error = data->chainevh(mod, what, data->chainarg);
2754 return (error);
2755 }
2756 }
2757
2758 int
2759 syscall32_helper_register(struct syscall_helper_data *sd)
2760 {
2761 struct syscall_helper_data *sd1;
2762 int error;
2763
2764 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) {
2765 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent,
2766 &sd1->old_sysent);
2767 if (error != 0) {
2768 syscall32_helper_unregister(sd);
2769 return (error);
2770 }
2771 sd1->registered = 1;
2772 }
2773 return (0);
2774 }
2775
2776 int
2777 syscall32_helper_unregister(struct syscall_helper_data *sd)
2778 {
2779 struct syscall_helper_data *sd1;
2780
2781 for (sd1 = sd; sd1->registered != 0; sd1++) {
2782 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent);
2783 sd1->registered = 0;
2784 }
2785 return (0);
2786 }
2787
2788 register_t *
2789 freebsd32_copyout_strings(struct image_params *imgp)
2790 {
2791 int argc, envc, i;
2792 u_int32_t *vectp;
2793 char *stringp, *destp;
2794 u_int32_t *stack_base;
2795 struct freebsd32_ps_strings *arginfo;
2796 char canary[sizeof(long) * 8];
2797 int32_t pagesizes32[MAXPAGESIZES];
2798 size_t execpath_len;
2799 int szsigcode;
2800
2801 /*
2802 * Calculate string base and vector table pointers.
2803 * Also deal with signal trampoline code for this exec type.
2804 */
2805 if (imgp->execpath != NULL && imgp->auxargs != NULL)
2806 execpath_len = strlen(imgp->execpath) + 1;
2807 else
2808 execpath_len = 0;
2809 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent->
2810 sv_psstrings;
2811 if (imgp->proc->p_sysent->sv_sigcode_base == 0)
2812 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode);
2813 else
2814 szsigcode = 0;
2815 destp = (caddr_t)arginfo - szsigcode - SPARE_USRSPACE -
2816 roundup(execpath_len, sizeof(char *)) -
2817 roundup(sizeof(canary), sizeof(char *)) -
2818 roundup(sizeof(pagesizes32), sizeof(char *)) -
2819 roundup((ARG_MAX - imgp->args->stringspace), sizeof(char *));
2820
2821 /*
2822 * install sigcode
2823 */
2824 if (szsigcode != 0)
2825 copyout(imgp->proc->p_sysent->sv_sigcode,
2826 ((caddr_t)arginfo - szsigcode), szsigcode);
2827
2828 /*
2829 * Copy the image path for the rtld.
2830 */
2831 if (execpath_len != 0) {
2832 imgp->execpathp = (uintptr_t)arginfo - szsigcode - execpath_len;
2833 copyout(imgp->execpath, (void *)imgp->execpathp,
2834 execpath_len);
2835 }
2836
2837 /*
2838 * Prepare the canary for SSP.
2839 */
2840 arc4rand(canary, sizeof(canary), 0);
2841 imgp->canary = (uintptr_t)arginfo - szsigcode - execpath_len -
2842 sizeof(canary);
2843 copyout(canary, (void *)imgp->canary, sizeof(canary));
2844 imgp->canarylen = sizeof(canary);
2845
2846 /*
2847 * Prepare the pagesizes array.
2848 */
2849 for (i = 0; i < MAXPAGESIZES; i++)
2850 pagesizes32[i] = (uint32_t)pagesizes[i];
2851 imgp->pagesizes = (uintptr_t)arginfo - szsigcode - execpath_len -
2852 roundup(sizeof(canary), sizeof(char *)) - sizeof(pagesizes32);
2853 copyout(pagesizes32, (void *)imgp->pagesizes, sizeof(pagesizes32));
2854 imgp->pagesizeslen = sizeof(pagesizes32);
2855
2856 /*
2857 * If we have a valid auxargs ptr, prepare some room
2858 * on the stack.
2859 */
2860 if (imgp->auxargs) {
2861 /*
2862 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for
2863 * lower compatibility.
2864 */
2865 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size
2866 : (AT_COUNT * 2);
2867 /*
2868 * The '+ 2' is for the null pointers at the end of each of
2869 * the arg and env vector sets,and imgp->auxarg_size is room
2870 * for argument of Runtime loader.
2871 */
2872 vectp = (u_int32_t *) (destp - (imgp->args->argc +
2873 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) *
2874 sizeof(u_int32_t));
2875 } else
2876 /*
2877 * The '+ 2' is for the null pointers at the end of each of
2878 * the arg and env vector sets
2879 */
2880 vectp = (u_int32_t *)
2881 (destp - (imgp->args->argc + imgp->args->envc + 2) * sizeof(u_int32_t));
2882
2883 /*
2884 * vectp also becomes our initial stack base
2885 */
2886 stack_base = vectp;
2887
2888 stringp = imgp->args->begin_argv;
2889 argc = imgp->args->argc;
2890 envc = imgp->args->envc;
2891 /*
2892 * Copy out strings - arguments and environment.
2893 */
2894 copyout(stringp, destp, ARG_MAX - imgp->args->stringspace);
2895
2896 /*
2897 * Fill in "ps_strings" struct for ps, w, etc.
2898 */
2899 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp);
2900 suword32(&arginfo->ps_nargvstr, argc);
2901
2902 /*
2903 * Fill in argument portion of vector table.
2904 */
2905 for (; argc > 0; --argc) {
2906 suword32(vectp++, (u_int32_t)(intptr_t)destp);
2907 while (*stringp++ != 0)
2908 destp++;
2909 destp++;
2910 }
2911
2912 /* a null vector table pointer separates the argp's from the envp's */
2913 suword32(vectp++, 0);
2914
2915 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp);
2916 suword32(&arginfo->ps_nenvstr, envc);
2917
2918 /*
2919 * Fill in environment portion of vector table.
2920 */
2921 for (; envc > 0; --envc) {
2922 suword32(vectp++, (u_int32_t)(intptr_t)destp);
2923 while (*stringp++ != 0)
2924 destp++;
2925 destp++;
2926 }
2927
2928 /* end of vector table is a null pointer */
2929 suword32(vectp, 0);
2930
2931 return ((register_t *)stack_base);
2932 }
2933
2934 int
2935 freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap)
2936 {
2937 struct kld_file_stat stat;
2938 struct kld32_file_stat stat32;
2939 int error, version;
2940
2941 if ((error = copyin(&uap->stat->version, &version, sizeof(version)))
2942 != 0)
2943 return (error);
2944 if (version != sizeof(struct kld32_file_stat_1) &&
2945 version != sizeof(struct kld32_file_stat))
2946 return (EINVAL);
2947
2948 error = kern_kldstat(td, uap->fileid, &stat);
2949 if (error != 0)
2950 return (error);
2951
2952 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name));
2953 CP(stat, stat32, refs);
2954 CP(stat, stat32, id);
2955 PTROUT_CP(stat, stat32, address);
2956 CP(stat, stat32, size);
2957 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname));
2958 return (copyout(&stat32, uap->stat, version));
2959 }
2960
2961 int
2962 freebsd32_posix_fallocate(struct thread *td,
2963 struct freebsd32_posix_fallocate_args *uap)
2964 {
2965
2966 return (kern_posix_fallocate(td, uap->fd,
2967 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len)));
2968 }
2969
2970 int
2971 freebsd32_posix_fadvise(struct thread *td,
2972 struct freebsd32_posix_fadvise_args *uap)
2973 {
2974
2975 return (kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset),
2976 PAIR32TO64(off_t, uap->len), uap->advice));
2977 }
2978
2979 int
2980 convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig)
2981 {
2982
2983 CP(*sig32, *sig, sigev_notify);
2984 switch (sig->sigev_notify) {
2985 case SIGEV_NONE:
2986 break;
2987 case SIGEV_THREAD_ID:
2988 CP(*sig32, *sig, sigev_notify_thread_id);
2989 /* FALLTHROUGH */
2990 case SIGEV_SIGNAL:
2991 CP(*sig32, *sig, sigev_signo);
2992 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr);
2993 break;
2994 case SIGEV_KEVENT:
2995 CP(*sig32, *sig, sigev_notify_kqueue);
2996 CP(*sig32, *sig, sigev_notify_kevent_flags);
2997 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr);
2998 break;
2999 default:
3000 return (EINVAL);
3001 }
3002 return (0);
3003 }
3004
3005 int
3006 freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap)
3007 {
3008 void *data;
3009 int error, flags;
3010
3011 switch (uap->com) {
3012 case PROC_SPROTECT:
3013 error = copyin(PTRIN(uap->data), &flags, sizeof(flags));
3014 if (error)
3015 return (error);
3016 data = &flags;
3017 break;
3018 default:
3019 return (EINVAL);
3020 }
3021 return (kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id),
3022 uap->com, data));
3023 }
Cache object: fd8e501e2f9acdfdc154e3261bb36efb
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