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
110FEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD");
111
112#ifndef __mips__
113CTASSERT(sizeof(struct timeval32) == 8);
114CTASSERT(sizeof(struct timespec32) == 8);
115CTASSERT(sizeof(struct itimerval32) == 16);
116#endif
117CTASSERT(sizeof(struct statfs32) == 256);
118#ifndef __mips__
119CTASSERT(sizeof(struct rusage32) == 72);
120#endif
121CTASSERT(sizeof(struct sigaltstack32) == 12);
122CTASSERT(sizeof(struct kevent32) == 20);
123CTASSERT(sizeof(struct iovec32) == 8);
124CTASSERT(sizeof(struct msghdr32) == 28);
125#ifndef __mips__
126CTASSERT(sizeof(struct stat32) == 96);
127#endif
128CTASSERT(sizeof(struct sigaction32) == 24);
129
130static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count);
131static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count);
132
133void
134freebsd32_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
155int
156freebsd32_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
178int
179freebsd32_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
215static void
216copy_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
246int
247freebsd4_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
273int
274freebsd32_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 */
305int
306freebsd32_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
394err_exit:
395 exec_free_args(args);
396 return (error);
397}
398
399int
400freebsd32_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
412int
413freebsd32_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__
428static int
429freebsd32_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
475int
476freebsd32_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
490int
491freebsd32_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
589int
590freebsd6_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
606int
607freebsd32_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
630int
631freebsd32_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
645int
646freebsd32_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
668int
669freebsd32_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 */
705static int
706freebsd32_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 */
732static int
733freebsd32_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 }
755done:
756 return (error);
757}
758
759int
760freebsd32_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
784int
785freebsd32_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
807int
808freebsd32_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
824static int
825freebsd32_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
865int
866freebsd32_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
879int
880freebsd32_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
893int
894freebsd32_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
907int
908freebsd32_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
921int
922freebsd32_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
948static int
949freebsd32_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
967static int
968freebsd32_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)))
996static int
997freebsd32_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
1080exit:
1081 return (error);
1082
1083}
1084
1085int
1086freebsd32_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 * Copy-in the array of control messages constructed using alignment
1138 * and padding suitable for a 32-bit environment and construct an
1139 * mbuf using alignment and padding suitable for a 64-bit kernel.
1140 * The alignment and padding are defined indirectly by CMSG_DATA(),
1141 * CMSG_SPACE() and CMSG_LEN().
1142 */
1143static int
1144freebsd32_copyin_control(struct mbuf **mp, caddr_t buf, u_int buflen)
1145{
1146 struct mbuf *m;
1147 void *md;
1148 u_int idx, len, msglen;
1149 int error;
1150
1151 buflen = FREEBSD32_ALIGN(buflen);
1152
1153 if (buflen > MCLBYTES)
1154 return (EINVAL);
1155
1156 /*
1157 * Iterate over the buffer and get the length of each message
1158 * in there. This has 32-bit alignment and padding. Use it to
1159 * determine the length of these messages when using 64-bit
1160 * alignment and padding.
1161 */
1162 idx = 0;
1163 len = 0;
1164 while (idx < buflen) {
1165 error = copyin(buf + idx, &msglen, sizeof(msglen));
1166 if (error)
1167 return (error);
1168 if (msglen < sizeof(struct cmsghdr))
1169 return (EINVAL);
1170 msglen = FREEBSD32_ALIGN(msglen);
1171 if (idx + msglen > buflen)
1172 return (EINVAL);
1173 idx += msglen;
1174 msglen += CMSG_ALIGN(sizeof(struct cmsghdr)) -
1175 FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1176 len += CMSG_ALIGN(msglen);
1177 }
1178
1179 if (len > MCLBYTES)
1180 return (EINVAL);
1181
1182 m = m_get(M_WAITOK, MT_CONTROL);
1183 if (len > MLEN)
1184 MCLGET(m, M_WAITOK);
1185 m->m_len = len;
1186
1187 md = mtod(m, void *);
1188 while (buflen > 0) {
1189 error = copyin(buf, md, sizeof(struct cmsghdr));
1190 if (error)
1191 break;
1192 msglen = *(u_int *)md;
1193 msglen = FREEBSD32_ALIGN(msglen);
1194
1195 /* Modify the message length to account for alignment. */
1196 *(u_int *)md = msglen + CMSG_ALIGN(sizeof(struct cmsghdr)) -
1197 FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1198
1199 md = (char *)md + CMSG_ALIGN(sizeof(struct cmsghdr));
1200 buf += FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1201 buflen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1202
1203 msglen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1204 if (msglen > 0) {
1205 error = copyin(buf, md, msglen);
1206 if (error)
1207 break;
1208 md = (char *)md + CMSG_ALIGN(msglen);
1209 buf += msglen;
1210 buflen -= msglen;
1211 }
1212 }
1213
1214 if (error)
1215 m_free(m);
1216 else
1217 *mp = m;
1218 return (error);
1219}
1220
1221int
1222freebsd32_sendmsg(struct thread *td,
1223 struct freebsd32_sendmsg_args *uap)
1224{
1225 struct msghdr msg;
1226 struct msghdr32 m32;
1227 struct iovec *iov;
1228 struct mbuf *control = NULL;
1229 struct sockaddr *to = NULL;
1230 int error;
1231
1232 error = copyin(uap->msg, &m32, sizeof(m32));
1233 if (error)
1234 return (error);
1235 error = freebsd32_copyinmsghdr(uap->msg, &msg);
1236 if (error)
1237 return (error);
1238 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov,
1239 EMSGSIZE);
1240 if (error)
1241 return (error);
1242 msg.msg_iov = iov;
1243 if (msg.msg_name != NULL) {
1244 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen);
1245 if (error) {
1246 to = NULL;
1247 goto out;
1248 }
1249 msg.msg_name = to;
1250 }
1251
1252 if (msg.msg_control) {
1253 if (msg.msg_controllen < sizeof(struct cmsghdr)) {
1254 error = EINVAL;
1255 goto out;
1256 }
1257
1258 error = freebsd32_copyin_control(&control, msg.msg_control,
1259 msg.msg_controllen);
1260 if (error)
1261 goto out;
1262
1263 msg.msg_control = NULL;
1264 msg.msg_controllen = 0;
1265 }
1266
1267 error = kern_sendit(td, uap->s, &msg, uap->flags, control,
1268 UIO_USERSPACE);
1269
1270out:
1271 free(iov, M_IOV);
1272 if (to)
1273 free(to, M_SONAME);
1274 return (error);
1275}
1276
1277int
1278freebsd32_recvfrom(struct thread *td,
1279 struct freebsd32_recvfrom_args *uap)
1280{
1281 struct msghdr msg;
1282 struct iovec aiov;
1283 int error;
1284
1285 if (uap->fromlenaddr) {
1286 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen,
1287 sizeof(msg.msg_namelen));
1288 if (error)
1289 return (error);
1290 } else {
1291 msg.msg_namelen = 0;
1292 }
1293
1294 msg.msg_name = PTRIN(uap->from);
1295 msg.msg_iov = &aiov;
1296 msg.msg_iovlen = 1;
1297 aiov.iov_base = PTRIN(uap->buf);
1298 aiov.iov_len = uap->len;
1299 msg.msg_control = NULL;
1300 msg.msg_flags = uap->flags;
1301 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL);
1302 if (error == 0 && uap->fromlenaddr)
1303 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr),
1304 sizeof (msg.msg_namelen));
1305 return (error);
1306}
1307
1308int
1309freebsd32_settimeofday(struct thread *td,
1310 struct freebsd32_settimeofday_args *uap)
1311{
1312 struct timeval32 tv32;
1313 struct timeval tv, *tvp;
1314 struct timezone tz, *tzp;
1315 int error;
1316
1317 if (uap->tv) {
1318 error = copyin(uap->tv, &tv32, sizeof(tv32));
1319 if (error)
1320 return (error);
1321 CP(tv32, tv, tv_sec);
1322 CP(tv32, tv, tv_usec);
1323 tvp = &tv;
1324 } else
1325 tvp = NULL;
1326 if (uap->tzp) {
1327 error = copyin(uap->tzp, &tz, sizeof(tz));
1328 if (error)
1329 return (error);
1330 tzp = &tz;
1331 } else
1332 tzp = NULL;
1333 return (kern_settimeofday(td, tvp, tzp));
1334}
1335
1336int
1337freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap)
1338{
1339 struct timeval32 s32[2];
1340 struct timeval s[2], *sp;
1341 int error;
1342
1343 if (uap->tptr != NULL) {
1344 error = copyin(uap->tptr, s32, sizeof(s32));
1345 if (error)
1346 return (error);
1347 CP(s32[0], s[0], tv_sec);
1348 CP(s32[0], s[0], tv_usec);
1349 CP(s32[1], s[1], tv_sec);
1350 CP(s32[1], s[1], tv_usec);
1351 sp = s;
1352 } else
1353 sp = NULL;
1354 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE));
1355}
1356
1357int
1358freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap)
1359{
1360 struct timeval32 s32[2];
1361 struct timeval s[2], *sp;
1362 int error;
1363
1364 if (uap->tptr != NULL) {
1365 error = copyin(uap->tptr, s32, sizeof(s32));
1366 if (error)
1367 return (error);
1368 CP(s32[0], s[0], tv_sec);
1369 CP(s32[0], s[0], tv_usec);
1370 CP(s32[1], s[1], tv_sec);
1371 CP(s32[1], s[1], tv_usec);
1372 sp = s;
1373 } else
1374 sp = NULL;
1375 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE));
1376}
1377
1378int
1379freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap)
1380{
1381 struct timeval32 s32[2];
1382 struct timeval s[2], *sp;
1383 int error;
1384
1385 if (uap->tptr != NULL) {
1386 error = copyin(uap->tptr, s32, sizeof(s32));
1387 if (error)
1388 return (error);
1389 CP(s32[0], s[0], tv_sec);
1390 CP(s32[0], s[0], tv_usec);
1391 CP(s32[1], s[1], tv_sec);
1392 CP(s32[1], s[1], tv_usec);
1393 sp = s;
1394 } else
1395 sp = NULL;
1396 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE));
1397}
1398
1399int
1400freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap)
1401{
1402 struct timeval32 s32[2];
1403 struct timeval s[2], *sp;
1404 int error;
1405
1406 if (uap->times != NULL) {
1407 error = copyin(uap->times, s32, sizeof(s32));
1408 if (error)
1409 return (error);
1410 CP(s32[0], s[0], tv_sec);
1411 CP(s32[0], s[0], tv_usec);
1412 CP(s32[1], s[1], tv_sec);
1413 CP(s32[1], s[1], tv_usec);
1414 sp = s;
1415 } else
1416 sp = NULL;
1417 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE,
1418 sp, UIO_SYSSPACE));
1419}
1420
1421int
1422freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap)
1423{
1424 struct timeval32 tv32;
1425 struct timeval delta, olddelta, *deltap;
1426 int error;
1427
1428 if (uap->delta) {
1429 error = copyin(uap->delta, &tv32, sizeof(tv32));
1430 if (error)
1431 return (error);
1432 CP(tv32, delta, tv_sec);
1433 CP(tv32, delta, tv_usec);
1434 deltap = δ
1435 } else
1436 deltap = NULL;
1437 error = kern_adjtime(td, deltap, &olddelta);
1438 if (uap->olddelta && error == 0) {
1439 CP(olddelta, tv32, tv_sec);
1440 CP(olddelta, tv32, tv_usec);
1441 error = copyout(&tv32, uap->olddelta, sizeof(tv32));
1442 }
1443 return (error);
1444}
1445
1446#ifdef COMPAT_FREEBSD4
1447int
1448freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap)
1449{
1450 struct statfs32 s32;
1451 struct statfs s;
1452 int error;
1453
1454 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s);
1455 if (error)
1456 return (error);
1457 copy_statfs(&s, &s32);
1458 return (copyout(&s32, uap->buf, sizeof(s32)));
1459}
1460#endif
1461
1462#ifdef COMPAT_FREEBSD4
1463int
1464freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap)
1465{
1466 struct statfs32 s32;
1467 struct statfs s;
1468 int error;
1469
1470 error = kern_fstatfs(td, uap->fd, &s);
1471 if (error)
1472 return (error);
1473 copy_statfs(&s, &s32);
1474 return (copyout(&s32, uap->buf, sizeof(s32)));
1475}
1476#endif
1477
1478#ifdef COMPAT_FREEBSD4
1479int
1480freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap)
1481{
1482 struct statfs32 s32;
1483 struct statfs s;
1484 fhandle_t fh;
1485 int error;
1486
1487 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0)
1488 return (error);
1489 error = kern_fhstatfs(td, fh, &s);
1490 if (error)
1491 return (error);
1492 copy_statfs(&s, &s32);
1493 return (copyout(&s32, uap->buf, sizeof(s32)));
1494}
1495#endif
1496
1497int
1498freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap)
1499{
1500 struct pread_args ap;
1501
1502 ap.fd = uap->fd;
1503 ap.buf = uap->buf;
1504 ap.nbyte = uap->nbyte;
1505 ap.offset = PAIR32TO64(off_t,uap->offset);
1506 return (sys_pread(td, &ap));
1507}
1508
1509int
1510freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap)
1511{
1512 struct pwrite_args ap;
1513
1514 ap.fd = uap->fd;
1515 ap.buf = uap->buf;
1516 ap.nbyte = uap->nbyte;
1517 ap.offset = PAIR32TO64(off_t,uap->offset);
1518 return (sys_pwrite(td, &ap));
1519}
1520
1521#ifdef COMPAT_43
1522int
1523ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap)
1524{
1525 struct lseek_args nuap;
1526
1527 nuap.fd = uap->fd;
1528 nuap.offset = uap->offset;
1529 nuap.whence = uap->whence;
1530 return (sys_lseek(td, &nuap));
1531}
1532#endif
1533
1534int
1535freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap)
1536{
1537 int error;
1538 struct lseek_args ap;
1539 off_t pos;
1540
1541 ap.fd = uap->fd;
1542 ap.offset = PAIR32TO64(off_t,uap->offset);
1543 ap.whence = uap->whence;
1544 error = sys_lseek(td, &ap);
1545 /* Expand the quad return into two parts for eax and edx */
1546 pos = *(off_t *)(td->td_retval);
1547 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
1548 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
1549 return error;
1550}
1551
1552int
1553freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap)
1554{
1555 struct truncate_args ap;
1556
1557 ap.path = uap->path;
1558 ap.length = PAIR32TO64(off_t,uap->length);
1559 return (sys_truncate(td, &ap));
1560}
1561
1562int
1563freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap)
1564{
1565 struct ftruncate_args ap;
1566
1567 ap.fd = uap->fd;
1568 ap.length = PAIR32TO64(off_t,uap->length);
1569 return (sys_ftruncate(td, &ap));
1570}
1571
1572#ifdef COMPAT_43
1573int
1574ofreebsd32_getdirentries(struct thread *td,
1575 struct ofreebsd32_getdirentries_args *uap)
1576{
1577 struct ogetdirentries_args ap;
1578 int error;
1579 long loff;
1580 int32_t loff_cut;
1581
1582 ap.fd = uap->fd;
1583 ap.buf = uap->buf;
1584 ap.count = uap->count;
1585 ap.basep = NULL;
1586 error = kern_ogetdirentries(td, &ap, &loff);
1587 if (error == 0) {
1588 loff_cut = loff;
1589 error = copyout(&loff_cut, uap->basep, sizeof(int32_t));
1590 }
1591 return (error);
1592}
1593#endif
1594
1595int
1596freebsd32_getdirentries(struct thread *td,
1597 struct freebsd32_getdirentries_args *uap)
1598{
1599 long base;
1600 int32_t base32;
1601 int error;
1602
1603 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base,
1604 NULL, UIO_USERSPACE);
1605 if (error)
1606 return (error);
1607 if (uap->basep != NULL) {
1608 base32 = base;
1609 error = copyout(&base32, uap->basep, sizeof(int32_t));
1610 }
1611 return (error);
1612}
1613
1614#ifdef COMPAT_FREEBSD6
1615/* versions with the 'int pad' argument */
1616int
1617freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap)
1618{
1619 struct pread_args ap;
1620
1621 ap.fd = uap->fd;
1622 ap.buf = uap->buf;
1623 ap.nbyte = uap->nbyte;
1624 ap.offset = PAIR32TO64(off_t,uap->offset);
1625 return (sys_pread(td, &ap));
1626}
1627
1628int
1629freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap)
1630{
1631 struct pwrite_args ap;
1632
1633 ap.fd = uap->fd;
1634 ap.buf = uap->buf;
1635 ap.nbyte = uap->nbyte;
1636 ap.offset = PAIR32TO64(off_t,uap->offset);
1637 return (sys_pwrite(td, &ap));
1638}
1639
1640int
1641freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap)
1642{
1643 int error;
1644 struct lseek_args ap;
1645 off_t pos;
1646
1647 ap.fd = uap->fd;
1648 ap.offset = PAIR32TO64(off_t,uap->offset);
1649 ap.whence = uap->whence;
1650 error = sys_lseek(td, &ap);
1651 /* Expand the quad return into two parts for eax and edx */
1652 pos = *(off_t *)(td->td_retval);
1653 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
1654 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
1655 return error;
1656}
1657
1658int
1659freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap)
1660{
1661 struct truncate_args ap;
1662
1663 ap.path = uap->path;
1664 ap.length = PAIR32TO64(off_t,uap->length);
1665 return (sys_truncate(td, &ap));
1666}
1667
1668int
1669freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap)
1670{
1671 struct ftruncate_args ap;
1672
1673 ap.fd = uap->fd;
1674 ap.length = PAIR32TO64(off_t,uap->length);
1675 return (sys_ftruncate(td, &ap));
1676}
1677#endif /* COMPAT_FREEBSD6 */
1678
1679struct sf_hdtr32 {
1680 uint32_t headers;
1681 int hdr_cnt;
1682 uint32_t trailers;
1683 int trl_cnt;
1684};
1685
1686static int
1687freebsd32_do_sendfile(struct thread *td,
1688 struct freebsd32_sendfile_args *uap, int compat)
1689{
1690 struct sf_hdtr32 hdtr32;
1691 struct sf_hdtr hdtr;
1692 struct uio *hdr_uio, *trl_uio;
1693 struct iovec32 *iov32;
1694 struct file *fp;
1695 cap_rights_t rights;
1696 off_t offset;
1697 int error;
1698
1699 offset = PAIR32TO64(off_t, uap->offset);
1700 if (offset < 0)
1701 return (EINVAL);
1702
1703 hdr_uio = trl_uio = NULL;
1704
1705 if (uap->hdtr != NULL) {
1706 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32));
1707 if (error)
1708 goto out;
1709 PTRIN_CP(hdtr32, hdtr, headers);
1710 CP(hdtr32, hdtr, hdr_cnt);
1711 PTRIN_CP(hdtr32, hdtr, trailers);
1712 CP(hdtr32, hdtr, trl_cnt);
1713
1714 if (hdtr.headers != NULL) {
1715 iov32 = PTRIN(hdtr32.headers);
1716 error = freebsd32_copyinuio(iov32,
1717 hdtr32.hdr_cnt, &hdr_uio);
1718 if (error)
1719 goto out;
1720 }
1721 if (hdtr.trailers != NULL) {
1722 iov32 = PTRIN(hdtr32.trailers);
1723 error = freebsd32_copyinuio(iov32,
1724 hdtr32.trl_cnt, &trl_uio);
1725 if (error)
1726 goto out;
1727 }
1728 }
1729
1730 AUDIT_ARG_FD(uap->fd);
1731
1732 if ((error = fget_read(td, uap->fd,
1733 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0) {
1734 goto out;
1735 }
1736
1737 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset,
1738 uap->nbytes, uap->sbytes, uap->flags, compat ? SFK_COMPAT : 0, td);
1739 fdrop(fp, td);
1740
1741out:
1742 if (hdr_uio)
1743 free(hdr_uio, M_IOV);
1744 if (trl_uio)
1745 free(trl_uio, M_IOV);
1746 return (error);
1747}
1748
1749#ifdef COMPAT_FREEBSD4
1750int
1751freebsd4_freebsd32_sendfile(struct thread *td,
1752 struct freebsd4_freebsd32_sendfile_args *uap)
1753{
1754 return (freebsd32_do_sendfile(td,
1755 (struct freebsd32_sendfile_args *)uap, 1));
1756}
1757#endif
1758
1759int
1760freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap)
1761{
1762
1763 return (freebsd32_do_sendfile(td, uap, 0));
1764}
1765
1766static void
1767copy_stat(struct stat *in, struct stat32 *out)
1768{
1769
1770 CP(*in, *out, st_dev);
1771 CP(*in, *out, st_ino);
1772 CP(*in, *out, st_mode);
1773 CP(*in, *out, st_nlink);
1774 CP(*in, *out, st_uid);
1775 CP(*in, *out, st_gid);
1776 CP(*in, *out, st_rdev);
1777 TS_CP(*in, *out, st_atim);
1778 TS_CP(*in, *out, st_mtim);
1779 TS_CP(*in, *out, st_ctim);
1780 CP(*in, *out, st_size);
1781 CP(*in, *out, st_blocks);
1782 CP(*in, *out, st_blksize);
1783 CP(*in, *out, st_flags);
1784 CP(*in, *out, st_gen);
1785 TS_CP(*in, *out, st_birthtim);
1786}
1787
1788#ifdef COMPAT_43
1789static void
1790copy_ostat(struct stat *in, struct ostat32 *out)
1791{
1792
1793 CP(*in, *out, st_dev);
1794 CP(*in, *out, st_ino);
1795 CP(*in, *out, st_mode);
1796 CP(*in, *out, st_nlink);
1797 CP(*in, *out, st_uid);
1798 CP(*in, *out, st_gid);
1799 CP(*in, *out, st_rdev);
1800 CP(*in, *out, st_size);
1801 TS_CP(*in, *out, st_atim);
1802 TS_CP(*in, *out, st_mtim);
1803 TS_CP(*in, *out, st_ctim);
1804 CP(*in, *out, st_blksize);
1805 CP(*in, *out, st_blocks);
1806 CP(*in, *out, st_flags);
1807 CP(*in, *out, st_gen);
1808}
1809#endif
1810
1811int
1812freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap)
1813{
1814 struct stat sb;
1815 struct stat32 sb32;
1816 int error;
1817
1818 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb);
1819 if (error)
1820 return (error);
1821 copy_stat(&sb, &sb32);
1822 error = copyout(&sb32, uap->ub, sizeof (sb32));
1823 return (error);
1824}
1825
1826#ifdef COMPAT_43
1827int
1828ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap)
1829{
1830 struct stat sb;
1831 struct ostat32 sb32;
1832 int error;
1833
1834 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb);
1835 if (error)
1836 return (error);
1837 copy_ostat(&sb, &sb32);
1838 error = copyout(&sb32, uap->ub, sizeof (sb32));
1839 return (error);
1840}
1841#endif
1842
1843int
1844freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap)
1845{
1846 struct stat ub;
1847 struct stat32 ub32;
1848 int error;
1849
1850 error = kern_fstat(td, uap->fd, &ub);
1851 if (error)
1852 return (error);
1853 copy_stat(&ub, &ub32);
1854 error = copyout(&ub32, uap->ub, sizeof(ub32));
1855 return (error);
1856}
1857
1858#ifdef COMPAT_43
1859int
1860ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap)
1861{
1862 struct stat ub;
1863 struct ostat32 ub32;
1864 int error;
1865
1866 error = kern_fstat(td, uap->fd, &ub);
1867 if (error)
1868 return (error);
1869 copy_ostat(&ub, &ub32);
1870 error = copyout(&ub32, uap->ub, sizeof(ub32));
1871 return (error);
1872}
1873#endif
1874
1875int
1876freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap)
1877{
1878 struct stat ub;
1879 struct stat32 ub32;
1880 int error;
1881
1882 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub);
1883 if (error)
1884 return (error);
1885 copy_stat(&ub, &ub32);
1886 error = copyout(&ub32, uap->buf, sizeof(ub32));
1887 return (error);
1888}
1889
1890int
1891freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap)
1892{
1893 struct stat sb;
1894 struct stat32 sb32;
1895 int error;
1896
1897 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb);
1898 if (error)
1899 return (error);
1900 copy_stat(&sb, &sb32);
1901 error = copyout(&sb32, uap->ub, sizeof (sb32));
1902 return (error);
1903}
1904
1905#ifdef COMPAT_43
1906int
1907ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap)
1908{
1909 struct stat sb;
1910 struct ostat32 sb32;
1911 int error;
1912
1913 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb);
1914 if (error)
1915 return (error);
1916 copy_ostat(&sb, &sb32);
1917 error = copyout(&sb32, uap->ub, sizeof (sb32));
1918 return (error);
1919}
1920#endif
1921
1922int
1923freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap)
1924{
1925 int error, name[CTL_MAXNAME];
1926 size_t j, oldlen;
1927
1928 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2)
1929 return (EINVAL);
1930 error = copyin(uap->name, name, uap->namelen * sizeof(int));
1931 if (error)
1932 return (error);
1933 if (uap->oldlenp)
1934 oldlen = fuword32(uap->oldlenp);
1935 else
1936 oldlen = 0;
1937 error = userland_sysctl(td, name, uap->namelen,
1938 uap->old, &oldlen, 1,
1939 uap->new, uap->newlen, &j, SCTL_MASK32);
1940 if (error && error != ENOMEM)
1941 return (error);
1942 if (uap->oldlenp)
1943 suword32(uap->oldlenp, j);
1944 return (0);
1945}
1946
1947int
1948freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap)
1949{
1950 uint32_t version;
1951 int error;
1952 struct jail j;
1953
1954 error = copyin(uap->jail, &version, sizeof(uint32_t));
1955 if (error)
1956 return (error);
1957
1958 switch (version) {
1959 case 0:
1960 {
1961 /* FreeBSD single IPv4 jails. */
1962 struct jail32_v0 j32_v0;
1963
1964 bzero(&j, sizeof(struct jail));
1965 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0));
1966 if (error)
1967 return (error);
1968 CP(j32_v0, j, version);
1969 PTRIN_CP(j32_v0, j, path);
1970 PTRIN_CP(j32_v0, j, hostname);
1971 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */
1972 break;
1973 }
1974
1975 case 1:
1976 /*
1977 * Version 1 was used by multi-IPv4 jail implementations
1978 * that never made it into the official kernel.
1979 */
1980 return (EINVAL);
1981
1982 case 2: /* JAIL_API_VERSION */
1983 {
1984 /* FreeBSD multi-IPv4/IPv6,noIP jails. */
1985 struct jail32 j32;
1986
1987 error = copyin(uap->jail, &j32, sizeof(struct jail32));
1988 if (error)
1989 return (error);
1990 CP(j32, j, version);
1991 PTRIN_CP(j32, j, path);
1992 PTRIN_CP(j32, j, hostname);
1993 PTRIN_CP(j32, j, jailname);
1994 CP(j32, j, ip4s);
1995 CP(j32, j, ip6s);
1996 PTRIN_CP(j32, j, ip4);
1997 PTRIN_CP(j32, j, ip6);
1998 break;
1999 }
2000
2001 default:
2002 /* Sci-Fi jails are not supported, sorry. */
2003 return (EINVAL);
2004 }
2005 return (kern_jail(td, &j));
2006}
2007
2008int
2009freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap)
2010{
2011 struct uio *auio;
2012 int error;
2013
2014 /* Check that we have an even number of iovecs. */
2015 if (uap->iovcnt & 1)
2016 return (EINVAL);
2017
2018 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
2019 if (error)
2020 return (error);
2021 error = kern_jail_set(td, auio, uap->flags);
2022 free(auio, M_IOV);
2023 return (error);
2024}
2025
2026int
2027freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap)
2028{
2029 struct iovec32 iov32;
2030 struct uio *auio;
2031 int error, i;
2032
2033 /* Check that we have an even number of iovecs. */
2034 if (uap->iovcnt & 1)
2035 return (EINVAL);
2036
2037 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
2038 if (error)
2039 return (error);
2040 error = kern_jail_get(td, auio, uap->flags);
2041 if (error == 0)
2042 for (i = 0; i < uap->iovcnt; i++) {
2043 PTROUT_CP(auio->uio_iov[i], iov32, iov_base);
2044 CP(auio->uio_iov[i], iov32, iov_len);
2045 error = copyout(&iov32, uap->iovp + i, sizeof(iov32));
2046 if (error != 0)
2047 break;
2048 }
2049 free(auio, M_IOV);
2050 return (error);
2051}
2052
2053int
2054freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap)
2055{
2056 struct sigaction32 s32;
2057 struct sigaction sa, osa, *sap;
2058 int error;
2059
2060 if (uap->act) {
2061 error = copyin(uap->act, &s32, sizeof(s32));
2062 if (error)
2063 return (error);
2064 sa.sa_handler = PTRIN(s32.sa_u);
2065 CP(s32, sa, sa_flags);
2066 CP(s32, sa, sa_mask);
2067 sap = &sa;
2068 } else
2069 sap = NULL;
2070 error = kern_sigaction(td, uap->sig, sap, &osa, 0);
2071 if (error == 0 && uap->oact != NULL) {
2072 s32.sa_u = PTROUT(osa.sa_handler);
2073 CP(osa, s32, sa_flags);
2074 CP(osa, s32, sa_mask);
2075 error = copyout(&s32, uap->oact, sizeof(s32));
2076 }
2077 return (error);
2078}
2079
2080#ifdef COMPAT_FREEBSD4
2081int
2082freebsd4_freebsd32_sigaction(struct thread *td,
2083 struct freebsd4_freebsd32_sigaction_args *uap)
2084{
2085 struct sigaction32 s32;
2086 struct sigaction sa, osa, *sap;
2087 int error;
2088
2089 if (uap->act) {
2090 error = copyin(uap->act, &s32, sizeof(s32));
2091 if (error)
2092 return (error);
2093 sa.sa_handler = PTRIN(s32.sa_u);
2094 CP(s32, sa, sa_flags);
2095 CP(s32, sa, sa_mask);
2096 sap = &sa;
2097 } else
2098 sap = NULL;
2099 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4);
2100 if (error == 0 && uap->oact != NULL) {
2101 s32.sa_u = PTROUT(osa.sa_handler);
2102 CP(osa, s32, sa_flags);
2103 CP(osa, s32, sa_mask);
2104 error = copyout(&s32, uap->oact, sizeof(s32));
2105 }
2106 return (error);
2107}
2108#endif
2109
2110#ifdef COMPAT_43
2111struct osigaction32 {
2112 u_int32_t sa_u;
2113 osigset_t sa_mask;
2114 int sa_flags;
2115};
2116
2117#define ONSIG 32
2118
2119int
2120ofreebsd32_sigaction(struct thread *td,
2121 struct ofreebsd32_sigaction_args *uap)
2122{
2123 struct osigaction32 s32;
2124 struct sigaction sa, osa, *sap;
2125 int error;
2126
2127 if (uap->signum <= 0 || uap->signum >= ONSIG)
2128 return (EINVAL);
2129
2130 if (uap->nsa) {
2131 error = copyin(uap->nsa, &s32, sizeof(s32));
2132 if (error)
2133 return (error);
2134 sa.sa_handler = PTRIN(s32.sa_u);
2135 CP(s32, sa, sa_flags);
2136 OSIG2SIG(s32.sa_mask, sa.sa_mask);
2137 sap = &sa;
2138 } else
2139 sap = NULL;
2140 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
2141 if (error == 0 && uap->osa != NULL) {
2142 s32.sa_u = PTROUT(osa.sa_handler);
2143 CP(osa, s32, sa_flags);
2144 SIG2OSIG(osa.sa_mask, s32.sa_mask);
2145 error = copyout(&s32, uap->osa, sizeof(s32));
2146 }
2147 return (error);
2148}
2149
2150int
2151ofreebsd32_sigprocmask(struct thread *td,
2152 struct ofreebsd32_sigprocmask_args *uap)
2153{
2154 sigset_t set, oset;
2155 int error;
2156
2157 OSIG2SIG(uap->mask, set);
2158 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD);
2159 SIG2OSIG(oset, td->td_retval[0]);
2160 return (error);
2161}
2162
2163int
2164ofreebsd32_sigpending(struct thread *td,
2165 struct ofreebsd32_sigpending_args *uap)
2166{
2167 struct proc *p = td->td_proc;
2168 sigset_t siglist;
2169
2170 PROC_LOCK(p);
2171 siglist = p->p_siglist;
2172 SIGSETOR(siglist, td->td_siglist);
2173 PROC_UNLOCK(p);
2174 SIG2OSIG(siglist, td->td_retval[0]);
2175 return (0);
2176}
2177
2178struct sigvec32 {
2179 u_int32_t sv_handler;
2180 int sv_mask;
2181 int sv_flags;
2182};
2183
2184int
2185ofreebsd32_sigvec(struct thread *td,
2186 struct ofreebsd32_sigvec_args *uap)
2187{
2188 struct sigvec32 vec;
2189 struct sigaction sa, osa, *sap;
2190 int error;
2191
2192 if (uap->signum <= 0 || uap->signum >= ONSIG)
2193 return (EINVAL);
2194
2195 if (uap->nsv) {
2196 error = copyin(uap->nsv, &vec, sizeof(vec));
2197 if (error)
2198 return (error);
2199 sa.sa_handler = PTRIN(vec.sv_handler);
2200 OSIG2SIG(vec.sv_mask, sa.sa_mask);
2201 sa.sa_flags = vec.sv_flags;
2202 sa.sa_flags ^= SA_RESTART;
2203 sap = &sa;
2204 } else
2205 sap = NULL;
2206 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
2207 if (error == 0 && uap->osv != NULL) {
2208 vec.sv_handler = PTROUT(osa.sa_handler);
2209 SIG2OSIG(osa.sa_mask, vec.sv_mask);
2210 vec.sv_flags = osa.sa_flags;
2211 vec.sv_flags &= ~SA_NOCLDWAIT;
2212 vec.sv_flags ^= SA_RESTART;
2213 error = copyout(&vec, uap->osv, sizeof(vec));
2214 }
2215 return (error);
2216}
2217
2218int
2219ofreebsd32_sigblock(struct thread *td,
2220 struct ofreebsd32_sigblock_args *uap)
2221{
2222 sigset_t set, oset;
2223
2224 OSIG2SIG(uap->mask, set);
2225 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0);
2226 SIG2OSIG(oset, td->td_retval[0]);
2227 return (0);
2228}
2229
2230int
2231ofreebsd32_sigsetmask(struct thread *td,
2232 struct ofreebsd32_sigsetmask_args *uap)
2233{
2234 sigset_t set, oset;
2235
2236 OSIG2SIG(uap->mask, set);
2237 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0);
2238 SIG2OSIG(oset, td->td_retval[0]);
2239 return (0);
2240}
2241
2242int
2243ofreebsd32_sigsuspend(struct thread *td,
2244 struct ofreebsd32_sigsuspend_args *uap)
2245{
2246 sigset_t mask;
2247
2248 OSIG2SIG(uap->mask, mask);
2249 return (kern_sigsuspend(td, mask));
2250}
2251
2252struct sigstack32 {
2253 u_int32_t ss_sp;
2254 int ss_onstack;
2255};
2256
2257int
2258ofreebsd32_sigstack(struct thread *td,
2259 struct ofreebsd32_sigstack_args *uap)
2260{
2261 struct sigstack32 s32;
2262 struct sigstack nss, oss;
2263 int error = 0, unss;
2264
2265 if (uap->nss != NULL) {
2266 error = copyin(uap->nss, &s32, sizeof(s32));
2267 if (error)
2268 return (error);
2269 nss.ss_sp = PTRIN(s32.ss_sp);
2270 CP(s32, nss, ss_onstack);
2271 unss = 1;
2272 } else {
2273 unss = 0;
2274 }
2275 oss.ss_sp = td->td_sigstk.ss_sp;
2276 oss.ss_onstack = sigonstack(cpu_getstack(td));
2277 if (unss) {
2278 td->td_sigstk.ss_sp = nss.ss_sp;
2279 td->td_sigstk.ss_size = 0;
2280 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK);
2281 td->td_pflags |= TDP_ALTSTACK;
2282 }
2283 if (uap->oss != NULL) {
2284 s32.ss_sp = PTROUT(oss.ss_sp);
2285 CP(oss, s32, ss_onstack);
2286 error = copyout(&s32, uap->oss, sizeof(s32));
2287 }
2288 return (error);
2289}
2290#endif
2291
2292int
2293freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap)
2294{
2295 struct timespec32 rmt32, rqt32;
2296 struct timespec rmt, rqt;
2297 int error;
2298
2299 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32));
2300 if (error)
2301 return (error);
2302
2303 CP(rqt32, rqt, tv_sec);
2304 CP(rqt32, rqt, tv_nsec);
2305
2306 if (uap->rmtp &&
2307 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE))
2308 return (EFAULT);
2309 error = kern_nanosleep(td, &rqt, &rmt);
2310 if (error && uap->rmtp) {
2311 int error2;
2312
2313 CP(rmt, rmt32, tv_sec);
2314 CP(rmt, rmt32, tv_nsec);
2315
2316 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32));
2317 if (error2)
2318 error = error2;
2319 }
2320 return (error);
2321}
2322
2323int
2324freebsd32_clock_gettime(struct thread *td,
2325 struct freebsd32_clock_gettime_args *uap)
2326{
2327 struct timespec ats;
2328 struct timespec32 ats32;
2329 int error;
2330
2331 error = kern_clock_gettime(td, uap->clock_id, &ats);
2332 if (error == 0) {
2333 CP(ats, ats32, tv_sec);
2334 CP(ats, ats32, tv_nsec);
2335 error = copyout(&ats32, uap->tp, sizeof(ats32));
2336 }
2337 return (error);
2338}
2339
2340int
2341freebsd32_clock_settime(struct thread *td,
2342 struct freebsd32_clock_settime_args *uap)
2343{
2344 struct timespec ats;
2345 struct timespec32 ats32;
2346 int error;
2347
2348 error = copyin(uap->tp, &ats32, sizeof(ats32));
2349 if (error)
2350 return (error);
2351 CP(ats32, ats, tv_sec);
2352 CP(ats32, ats, tv_nsec);
2353
2354 return (kern_clock_settime(td, uap->clock_id, &ats));
2355}
2356
2357int
2358freebsd32_clock_getres(struct thread *td,
2359 struct freebsd32_clock_getres_args *uap)
2360{
2361 struct timespec ts;
2362 struct timespec32 ts32;
2363 int error;
2364
2365 if (uap->tp == NULL)
2366 return (0);
2367 error = kern_clock_getres(td, uap->clock_id, &ts);
2368 if (error == 0) {
2369 CP(ts, ts32, tv_sec);
2370 CP(ts, ts32, tv_nsec);
2371 error = copyout(&ts32, uap->tp, sizeof(ts32));
2372 }
2373 return (error);
2374}
2375
2376int freebsd32_ktimer_create(struct thread *td,
2377 struct freebsd32_ktimer_create_args *uap)
2378{
2379 struct sigevent32 ev32;
2380 struct sigevent ev, *evp;
2381 int error, id;
2382
2383 if (uap->evp == NULL) {
2384 evp = NULL;
2385 } else {
2386 evp = &ev;
2387 error = copyin(uap->evp, &ev32, sizeof(ev32));
2388 if (error != 0)
2389 return (error);
2390 error = convert_sigevent32(&ev32, &ev);
2391 if (error != 0)
2392 return (error);
2393 }
2394 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1);
2395 if (error == 0) {
2396 error = copyout(&id, uap->timerid, sizeof(int));
2397 if (error != 0)
2398 kern_ktimer_delete(td, id);
2399 }
2400 return (error);
2401}
2402
2403int
2404freebsd32_ktimer_settime(struct thread *td,
2405 struct freebsd32_ktimer_settime_args *uap)
2406{
2407 struct itimerspec32 val32, oval32;
2408 struct itimerspec val, oval, *ovalp;
2409 int error;
2410
2411 error = copyin(uap->value, &val32, sizeof(val32));
2412 if (error != 0)
2413 return (error);
2414 ITS_CP(val32, val);
2415 ovalp = uap->ovalue != NULL ? &oval : NULL;
2416 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp);
2417 if (error == 0 && uap->ovalue != NULL) {
2418 ITS_CP(oval, oval32);
2419 error = copyout(&oval32, uap->ovalue, sizeof(oval32));
2420 }
2421 return (error);
2422}
2423
2424int
2425freebsd32_ktimer_gettime(struct thread *td,
2426 struct freebsd32_ktimer_gettime_args *uap)
2427{
2428 struct itimerspec32 val32;
2429 struct itimerspec val;
2430 int error;
2431
2432 error = kern_ktimer_gettime(td, uap->timerid, &val);
2433 if (error == 0) {
2434 ITS_CP(val, val32);
2435 error = copyout(&val32, uap->value, sizeof(val32));
2436 }
2437 return (error);
2438}
2439
2440int
2441freebsd32_clock_getcpuclockid2(struct thread *td,
2442 struct freebsd32_clock_getcpuclockid2_args *uap)
2443{
2444 clockid_t clk_id;
2445 int error;
2446
2447 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id),
2448 uap->which, &clk_id);
2449 if (error == 0)
2450 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t));
2451 return (error);
2452}
2453
2454int
2455freebsd32_thr_new(struct thread *td,
2456 struct freebsd32_thr_new_args *uap)
2457{
2458 struct thr_param32 param32;
2459 struct thr_param param;
2460 int error;
2461
2462 if (uap->param_size < 0 ||
2463 uap->param_size > sizeof(struct thr_param32))
2464 return (EINVAL);
2465 bzero(¶m, sizeof(struct thr_param));
2466 bzero(¶m32, sizeof(struct thr_param32));
2467 error = copyin(uap->param, ¶m32, uap->param_size);
2468 if (error != 0)
2469 return (error);
2470 param.start_func = PTRIN(param32.start_func);
2471 param.arg = PTRIN(param32.arg);
2472 param.stack_base = PTRIN(param32.stack_base);
2473 param.stack_size = param32.stack_size;
2474 param.tls_base = PTRIN(param32.tls_base);
2475 param.tls_size = param32.tls_size;
2476 param.child_tid = PTRIN(param32.child_tid);
2477 param.parent_tid = PTRIN(param32.parent_tid);
2478 param.flags = param32.flags;
2479 param.rtp = PTRIN(param32.rtp);
2480 param.spare[0] = PTRIN(param32.spare[0]);
2481 param.spare[1] = PTRIN(param32.spare[1]);
2482 param.spare[2] = PTRIN(param32.spare[2]);
2483
2484 return (kern_thr_new(td, ¶m));
2485}
2486
2487int
2488freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap)
2489{
2490 struct timespec32 ts32;
2491 struct timespec ts, *tsp;
2492 int error;
2493
2494 error = 0;
2495 tsp = NULL;
2496 if (uap->timeout != NULL) {
2497 error = copyin((const void *)uap->timeout, (void *)&ts32,
2498 sizeof(struct timespec32));
2499 if (error != 0)
2500 return (error);
2501 ts.tv_sec = ts32.tv_sec;
2502 ts.tv_nsec = ts32.tv_nsec;
2503 tsp = &ts;
2504 }
2505 return (kern_thr_suspend(td, tsp));
2506}
2507
2508void
2509siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst)
2510{
2511 bzero(dst, sizeof(*dst));
2512 dst->si_signo = src->si_signo;
2513 dst->si_errno = src->si_errno;
2514 dst->si_code = src->si_code;
2515 dst->si_pid = src->si_pid;
2516 dst->si_uid = src->si_uid;
2517 dst->si_status = src->si_status;
2518 dst->si_addr = (uintptr_t)src->si_addr;
2519 dst->si_value.sival_int = src->si_value.sival_int;
2520 dst->si_timerid = src->si_timerid;
2521 dst->si_overrun = src->si_overrun;
2522}
2523
2524int
2525freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap)
2526{
2527 struct timespec32 ts32;
2528 struct timespec ts;
2529 struct timespec *timeout;
2530 sigset_t set;
2531 ksiginfo_t ksi;
2532 struct siginfo32 si32;
2533 int error;
2534
2535 if (uap->timeout) {
2536 error = copyin(uap->timeout, &ts32, sizeof(ts32));
2537 if (error)
2538 return (error);
2539 ts.tv_sec = ts32.tv_sec;
2540 ts.tv_nsec = ts32.tv_nsec;
2541 timeout = &ts;
2542 } else
2543 timeout = NULL;
2544
2545 error = copyin(uap->set, &set, sizeof(set));
2546 if (error)
2547 return (error);
2548
2549 error = kern_sigtimedwait(td, set, &ksi, timeout);
2550 if (error)
2551 return (error);
2552
2553 if (uap->info) {
2554 siginfo_to_siginfo32(&ksi.ksi_info, &si32);
2555 error = copyout(&si32, uap->info, sizeof(struct siginfo32));
2556 }
2557
2558 if (error == 0)
2559 td->td_retval[0] = ksi.ksi_signo;
2560 return (error);
2561}
2562
2563/*
2564 * MPSAFE
2565 */
2566int
2567freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap)
2568{
2569 ksiginfo_t ksi;
2570 struct siginfo32 si32;
2571 sigset_t set;
2572 int error;
2573
2574 error = copyin(uap->set, &set, sizeof(set));
2575 if (error)
2576 return (error);
2577
2578 error = kern_sigtimedwait(td, set, &ksi, NULL);
2579 if (error)
2580 return (error);
2581
2582 if (uap->info) {
2583 siginfo_to_siginfo32(&ksi.ksi_info, &si32);
2584 error = copyout(&si32, uap->info, sizeof(struct siginfo32));
2585 }
2586 if (error == 0)
2587 td->td_retval[0] = ksi.ksi_signo;
2588 return (error);
2589}
2590
2591int
2592freebsd32_cpuset_setid(struct thread *td,
2593 struct freebsd32_cpuset_setid_args *uap)
2594{
2595 struct cpuset_setid_args ap;
2596
2597 ap.which = uap->which;
2598 ap.id = PAIR32TO64(id_t,uap->id);
2599 ap.setid = uap->setid;
2600
2601 return (sys_cpuset_setid(td, &ap));
2602}
2603
2604int
2605freebsd32_cpuset_getid(struct thread *td,
2606 struct freebsd32_cpuset_getid_args *uap)
2607{
2608 struct cpuset_getid_args ap;
2609
2610 ap.level = uap->level;
2611 ap.which = uap->which;
2612 ap.id = PAIR32TO64(id_t,uap->id);
2613 ap.setid = uap->setid;
2614
2615 return (sys_cpuset_getid(td, &ap));
2616}
2617
2618int
2619freebsd32_cpuset_getaffinity(struct thread *td,
2620 struct freebsd32_cpuset_getaffinity_args *uap)
2621{
2622 struct cpuset_getaffinity_args ap;
2623
2624 ap.level = uap->level;
2625 ap.which = uap->which;
2626 ap.id = PAIR32TO64(id_t,uap->id);
2627 ap.cpusetsize = uap->cpusetsize;
2628 ap.mask = uap->mask;
2629
2630 return (sys_cpuset_getaffinity(td, &ap));
2631}
2632
2633int
2634freebsd32_cpuset_setaffinity(struct thread *td,
2635 struct freebsd32_cpuset_setaffinity_args *uap)
2636{
2637 struct cpuset_setaffinity_args ap;
2638
2639 ap.level = uap->level;
2640 ap.which = uap->which;
2641 ap.id = PAIR32TO64(id_t,uap->id);
2642 ap.cpusetsize = uap->cpusetsize;
2643 ap.mask = uap->mask;
2644
2645 return (sys_cpuset_setaffinity(td, &ap));
2646}
2647
2648int
2649freebsd32_nmount(struct thread *td,
2650 struct freebsd32_nmount_args /* {
2651 struct iovec *iovp;
2652 unsigned int iovcnt;
2653 int flags;
2654 } */ *uap)
2655{
2656 struct uio *auio;
2657 uint64_t flags;
2658 int error;
2659
2660 /*
2661 * Mount flags are now 64-bits. On 32-bit archtectures only
2662 * 32-bits are passed in, but from here on everything handles
2663 * 64-bit flags correctly.
2664 */
2665 flags = uap->flags;
2666
2667 AUDIT_ARG_FFLAGS(flags);
2668
2669 /*
2670 * Filter out MNT_ROOTFS. We do not want clients of nmount() in
2671 * userspace to set this flag, but we must filter it out if we want
2672 * MNT_UPDATE on the root file system to work.
2673 * MNT_ROOTFS should only be set by the kernel when mounting its
2674 * root file system.
2675 */
2676 flags &= ~MNT_ROOTFS;
2677
2678 /*
2679 * check that we have an even number of iovec's
2680 * and that we have at least two options.
2681 */
2682 if ((uap->iovcnt & 1) || (uap->iovcnt < 4))
2683 return (EINVAL);
2684
2685 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
2686 if (error)
2687 return (error);
2688 error = vfs_donmount(td, flags, auio);
2689
2690 free(auio, M_IOV);
2691 return error;
2692}
2693
2694#if 0
2695int
2696freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap)
2697{
2698 struct yyy32 *p32, s32;
2699 struct yyy *p = NULL, s;
2700 struct xxx_arg ap;
2701 int error;
2702
2703 if (uap->zzz) {
2704 error = copyin(uap->zzz, &s32, sizeof(s32));
2705 if (error)
2706 return (error);
2707 /* translate in */
2708 p = &s;
2709 }
2710 error = kern_xxx(td, p);
2711 if (error)
2712 return (error);
2713 if (uap->zzz) {
2714 /* translate out */
2715 error = copyout(&s32, p32, sizeof(s32));
2716 }
2717 return (error);
2718}
2719#endif
2720
2721int
2722syscall32_register(int *offset, struct sysent *new_sysent,
2723 struct sysent *old_sysent)
2724{
2725 if (*offset == NO_SYSCALL) {
2726 int i;
2727
2728 for (i = 1; i < SYS_MAXSYSCALL; ++i)
2729 if (freebsd32_sysent[i].sy_call ==
2730 (sy_call_t *)lkmnosys)
2731 break;
2732 if (i == SYS_MAXSYSCALL)
2733 return (ENFILE);
2734 *offset = i;
2735 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL)
2736 return (EINVAL);
2737 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys &&
2738 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys)
2739 return (EEXIST);
2740
2741 *old_sysent = freebsd32_sysent[*offset];
2742 freebsd32_sysent[*offset] = *new_sysent;
2743 return 0;
2744}
2745
2746int
2747syscall32_deregister(int *offset, struct sysent *old_sysent)
2748{
2749
2750 if (*offset)
2751 freebsd32_sysent[*offset] = *old_sysent;
2752 return 0;
2753}
2754
2755int
2756syscall32_module_handler(struct module *mod, int what, void *arg)
2757{
2758 struct syscall_module_data *data = (struct syscall_module_data*)arg;
2759 modspecific_t ms;
2760 int error;
2761
2762 switch (what) {
2763 case MOD_LOAD:
2764 error = syscall32_register(data->offset, data->new_sysent,
2765 &data->old_sysent);
2766 if (error) {
2767 /* Leave a mark so we know to safely unload below. */
2768 data->offset = NULL;
2769 return error;
2770 }
2771 ms.intval = *data->offset;
2772 MOD_XLOCK;
2773 module_setspecific(mod, &ms);
2774 MOD_XUNLOCK;
2775 if (data->chainevh)
2776 error = data->chainevh(mod, what, data->chainarg);
2777 return (error);
2778 case MOD_UNLOAD:
2779 /*
2780 * MOD_LOAD failed, so just return without calling the
2781 * chained handler since we didn't pass along the MOD_LOAD
2782 * event.
2783 */
2784 if (data->offset == NULL)
2785 return (0);
2786 if (data->chainevh) {
2787 error = data->chainevh(mod, what, data->chainarg);
2788 if (error)
2789 return (error);
2790 }
2791 error = syscall32_deregister(data->offset, &data->old_sysent);
2792 return (error);
2793 default:
2794 error = EOPNOTSUPP;
2795 if (data->chainevh)
2796 error = data->chainevh(mod, what, data->chainarg);
2797 return (error);
2798 }
2799}
2800
2801int
2802syscall32_helper_register(struct syscall_helper_data *sd)
2803{
2804 struct syscall_helper_data *sd1;
2805 int error;
2806
2807 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) {
2808 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent,
2809 &sd1->old_sysent);
2810 if (error != 0) {
2811 syscall32_helper_unregister(sd);
2812 return (error);
2813 }
2814 sd1->registered = 1;
2815 }
2816 return (0);
2817}
2818
2819int
2820syscall32_helper_unregister(struct syscall_helper_data *sd)
2821{
2822 struct syscall_helper_data *sd1;
2823
2824 for (sd1 = sd; sd1->registered != 0; sd1++) {
2825 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent);
2826 sd1->registered = 0;
2827 }
2828 return (0);
2829}
2830
2831register_t *
2832freebsd32_copyout_strings(struct image_params *imgp)
2833{
2834 int argc, envc, i;
2835 u_int32_t *vectp;
2836 char *stringp;
2837 uintptr_t destp;
2838 u_int32_t *stack_base;
2839 struct freebsd32_ps_strings *arginfo;
2840 char canary[sizeof(long) * 8];
2841 int32_t pagesizes32[MAXPAGESIZES];
2842 size_t execpath_len;
2843 int szsigcode;
2844
2845 /*
2846 * Calculate string base and vector table pointers.
2847 * Also deal with signal trampoline code for this exec type.
2848 */
2849 if (imgp->execpath != NULL && imgp->auxargs != NULL)
2850 execpath_len = strlen(imgp->execpath) + 1;
2851 else
2852 execpath_len = 0;
2853 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent->
2854 sv_psstrings;
2855 if (imgp->proc->p_sysent->sv_sigcode_base == 0)
2856 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode);
2857 else
2858 szsigcode = 0;
2859 destp = (uintptr_t)arginfo;
2860
2861 /*
2862 * install sigcode
2863 */
2864 if (szsigcode != 0) {
2865 destp -= szsigcode;
2866 destp = rounddown2(destp, sizeof(uint32_t));
2867 copyout(imgp->proc->p_sysent->sv_sigcode, (void *)destp,
2868 szsigcode);
2869 }
2870
2871 /*
2872 * Copy the image path for the rtld.
2873 */
2874 if (execpath_len != 0) {
2875 destp -= execpath_len;
2876 imgp->execpathp = destp;
2877 copyout(imgp->execpath, (void *)destp, execpath_len);
2878 }
2879
2880 /*
2881 * Prepare the canary for SSP.
2882 */
2883 arc4rand(canary, sizeof(canary), 0);
2884 destp -= sizeof(canary);
2885 imgp->canary = destp;
2886 copyout(canary, (void *)destp, sizeof(canary));
2887 imgp->canarylen = sizeof(canary);
2888
2889 /*
2890 * Prepare the pagesizes array.
2891 */
2892 for (i = 0; i < MAXPAGESIZES; i++)
2893 pagesizes32[i] = (uint32_t)pagesizes[i];
2894 destp -= sizeof(pagesizes32);
2895 destp = rounddown2(destp, sizeof(uint32_t));
2896 imgp->pagesizes = destp;
2897 copyout(pagesizes32, (void *)destp, sizeof(pagesizes32));
2898 imgp->pagesizeslen = sizeof(pagesizes32);
2899
2900 destp -= ARG_MAX - imgp->args->stringspace;
2901 destp = rounddown2(destp, sizeof(uint32_t));
2902
2903 /*
2904 * If we have a valid auxargs ptr, prepare some room
2905 * on the stack.
2906 */
2907 if (imgp->auxargs) {
2908 /*
2909 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for
2910 * lower compatibility.
2911 */
2912 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size
2913 : (AT_COUNT * 2);
2914 /*
2915 * The '+ 2' is for the null pointers at the end of each of
2916 * the arg and env vector sets,and imgp->auxarg_size is room
2917 * for argument of Runtime loader.
2918 */
2919 vectp = (u_int32_t *) (destp - (imgp->args->argc +
2920 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) *
2921 sizeof(u_int32_t));
2922 } else {
2923 /*
2924 * The '+ 2' is for the null pointers at the end of each of
2925 * the arg and env vector sets
2926 */
2927 vectp = (u_int32_t *)(destp - (imgp->args->argc +
2928 imgp->args->envc + 2) * sizeof(u_int32_t));
2929 }
2930
2931 /*
2932 * vectp also becomes our initial stack base
2933 */
2934 stack_base = vectp;
2935
2936 stringp = imgp->args->begin_argv;
2937 argc = imgp->args->argc;
2938 envc = imgp->args->envc;
2939 /*
2940 * Copy out strings - arguments and environment.
2941 */
2942 copyout(stringp, (void *)destp, ARG_MAX - imgp->args->stringspace);
2943
2944 /*
2945 * Fill in "ps_strings" struct for ps, w, etc.
2946 */
2947 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp);
2948 suword32(&arginfo->ps_nargvstr, argc);
2949
2950 /*
2951 * Fill in argument portion of vector table.
2952 */
2953 for (; argc > 0; --argc) {
2954 suword32(vectp++, (u_int32_t)(intptr_t)destp);
2955 while (*stringp++ != 0)
2956 destp++;
2957 destp++;
2958 }
2959
2960 /* a null vector table pointer separates the argp's from the envp's */
2961 suword32(vectp++, 0);
2962
2963 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp);
2964 suword32(&arginfo->ps_nenvstr, envc);
2965
2966 /*
2967 * Fill in environment portion of vector table.
2968 */
2969 for (; envc > 0; --envc) {
2970 suword32(vectp++, (u_int32_t)(intptr_t)destp);
2971 while (*stringp++ != 0)
2972 destp++;
2973 destp++;
2974 }
2975
2976 /* end of vector table is a null pointer */
2977 suword32(vectp, 0);
2978
2979 return ((register_t *)stack_base);
2980}
2981
2982int
2983freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap)
2984{
2985 struct kld_file_stat stat;
2986 struct kld32_file_stat stat32;
2987 int error, version;
2988
2989 if ((error = copyin(&uap->stat->version, &version, sizeof(version)))
2990 != 0)
2991 return (error);
2992 if (version != sizeof(struct kld32_file_stat_1) &&
2993 version != sizeof(struct kld32_file_stat))
2994 return (EINVAL);
2995
2996 error = kern_kldstat(td, uap->fileid, &stat);
2997 if (error != 0)
2998 return (error);
2999
3000 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name));
3001 CP(stat, stat32, refs);
3002 CP(stat, stat32, id);
3003 PTROUT_CP(stat, stat32, address);
3004 CP(stat, stat32, size);
3005 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname));
3006 return (copyout(&stat32, uap->stat, version));
3007}
3008
3009int
3010freebsd32_posix_fallocate(struct thread *td,
3011 struct freebsd32_posix_fallocate_args *uap)
3012{
3013
3014 td->td_retval[0] = kern_posix_fallocate(td, uap->fd,
3015 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len));
3016 return (0);
3017}
3018
3019int
3020freebsd32_posix_fadvise(struct thread *td,
3021 struct freebsd32_posix_fadvise_args *uap)
3022{
3023
3024 td->td_retval[0] = kern_posix_fadvise(td, uap->fd,
3025 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len),
3026 uap->advice);
3027 return (0);
3028}
3029
3030int
3031convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig)
3032{
3033
3034 CP(*sig32, *sig, sigev_notify);
3035 switch (sig->sigev_notify) {
3036 case SIGEV_NONE:
3037 break;
3038 case SIGEV_THREAD_ID:
3039 CP(*sig32, *sig, sigev_notify_thread_id);
3040 /* FALLTHROUGH */
3041 case SIGEV_SIGNAL:
3042 CP(*sig32, *sig, sigev_signo);
3043 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr);
3044 break;
3045 case SIGEV_KEVENT:
3046 CP(*sig32, *sig, sigev_notify_kqueue);
3047 CP(*sig32, *sig, sigev_notify_kevent_flags);
3048 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr);
3049 break;
3050 default:
3051 return (EINVAL);
3052 }
3053 return (0);
3054}
3055
3056int
3057freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap)
3058{
3059 void *data;
3060 int error, flags;
3061
3062 switch (uap->com) {
3063 case PROC_SPROTECT:
3064 error = copyin(PTRIN(uap->data), &flags, sizeof(flags));
3065 if (error)
3066 return (error);
3067 data = &flags;
3068 break;
3069 default:
3070 return (EINVAL);
3071 }
3072 return (kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id),
3073 uap->com, data));
3074}
3075
3076int
3077freebsd32_fcntl(struct thread *td, struct freebsd32_fcntl_args *uap)
3078{
| 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
110FEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD");
111
112#ifndef __mips__
113CTASSERT(sizeof(struct timeval32) == 8);
114CTASSERT(sizeof(struct timespec32) == 8);
115CTASSERT(sizeof(struct itimerval32) == 16);
116#endif
117CTASSERT(sizeof(struct statfs32) == 256);
118#ifndef __mips__
119CTASSERT(sizeof(struct rusage32) == 72);
120#endif
121CTASSERT(sizeof(struct sigaltstack32) == 12);
122CTASSERT(sizeof(struct kevent32) == 20);
123CTASSERT(sizeof(struct iovec32) == 8);
124CTASSERT(sizeof(struct msghdr32) == 28);
125#ifndef __mips__
126CTASSERT(sizeof(struct stat32) == 96);
127#endif
128CTASSERT(sizeof(struct sigaction32) == 24);
129
130static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count);
131static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count);
132
133void
134freebsd32_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
155int
156freebsd32_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
178int
179freebsd32_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
215static void
216copy_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
246int
247freebsd4_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
273int
274freebsd32_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 */
305int
306freebsd32_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
394err_exit:
395 exec_free_args(args);
396 return (error);
397}
398
399int
400freebsd32_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
412int
413freebsd32_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__
428static int
429freebsd32_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
475int
476freebsd32_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
490int
491freebsd32_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
589int
590freebsd6_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
606int
607freebsd32_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
630int
631freebsd32_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
645int
646freebsd32_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
668int
669freebsd32_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 */
705static int
706freebsd32_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 */
732static int
733freebsd32_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 }
755done:
756 return (error);
757}
758
759int
760freebsd32_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
784int
785freebsd32_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
807int
808freebsd32_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
824static int
825freebsd32_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
865int
866freebsd32_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
879int
880freebsd32_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
893int
894freebsd32_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
907int
908freebsd32_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
921int
922freebsd32_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
948static int
949freebsd32_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
967static int
968freebsd32_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)))
996static int
997freebsd32_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
1080exit:
1081 return (error);
1082
1083}
1084
1085int
1086freebsd32_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 * Copy-in the array of control messages constructed using alignment
1138 * and padding suitable for a 32-bit environment and construct an
1139 * mbuf using alignment and padding suitable for a 64-bit kernel.
1140 * The alignment and padding are defined indirectly by CMSG_DATA(),
1141 * CMSG_SPACE() and CMSG_LEN().
1142 */
1143static int
1144freebsd32_copyin_control(struct mbuf **mp, caddr_t buf, u_int buflen)
1145{
1146 struct mbuf *m;
1147 void *md;
1148 u_int idx, len, msglen;
1149 int error;
1150
1151 buflen = FREEBSD32_ALIGN(buflen);
1152
1153 if (buflen > MCLBYTES)
1154 return (EINVAL);
1155
1156 /*
1157 * Iterate over the buffer and get the length of each message
1158 * in there. This has 32-bit alignment and padding. Use it to
1159 * determine the length of these messages when using 64-bit
1160 * alignment and padding.
1161 */
1162 idx = 0;
1163 len = 0;
1164 while (idx < buflen) {
1165 error = copyin(buf + idx, &msglen, sizeof(msglen));
1166 if (error)
1167 return (error);
1168 if (msglen < sizeof(struct cmsghdr))
1169 return (EINVAL);
1170 msglen = FREEBSD32_ALIGN(msglen);
1171 if (idx + msglen > buflen)
1172 return (EINVAL);
1173 idx += msglen;
1174 msglen += CMSG_ALIGN(sizeof(struct cmsghdr)) -
1175 FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1176 len += CMSG_ALIGN(msglen);
1177 }
1178
1179 if (len > MCLBYTES)
1180 return (EINVAL);
1181
1182 m = m_get(M_WAITOK, MT_CONTROL);
1183 if (len > MLEN)
1184 MCLGET(m, M_WAITOK);
1185 m->m_len = len;
1186
1187 md = mtod(m, void *);
1188 while (buflen > 0) {
1189 error = copyin(buf, md, sizeof(struct cmsghdr));
1190 if (error)
1191 break;
1192 msglen = *(u_int *)md;
1193 msglen = FREEBSD32_ALIGN(msglen);
1194
1195 /* Modify the message length to account for alignment. */
1196 *(u_int *)md = msglen + CMSG_ALIGN(sizeof(struct cmsghdr)) -
1197 FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1198
1199 md = (char *)md + CMSG_ALIGN(sizeof(struct cmsghdr));
1200 buf += FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1201 buflen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1202
1203 msglen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr));
1204 if (msglen > 0) {
1205 error = copyin(buf, md, msglen);
1206 if (error)
1207 break;
1208 md = (char *)md + CMSG_ALIGN(msglen);
1209 buf += msglen;
1210 buflen -= msglen;
1211 }
1212 }
1213
1214 if (error)
1215 m_free(m);
1216 else
1217 *mp = m;
1218 return (error);
1219}
1220
1221int
1222freebsd32_sendmsg(struct thread *td,
1223 struct freebsd32_sendmsg_args *uap)
1224{
1225 struct msghdr msg;
1226 struct msghdr32 m32;
1227 struct iovec *iov;
1228 struct mbuf *control = NULL;
1229 struct sockaddr *to = NULL;
1230 int error;
1231
1232 error = copyin(uap->msg, &m32, sizeof(m32));
1233 if (error)
1234 return (error);
1235 error = freebsd32_copyinmsghdr(uap->msg, &msg);
1236 if (error)
1237 return (error);
1238 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov,
1239 EMSGSIZE);
1240 if (error)
1241 return (error);
1242 msg.msg_iov = iov;
1243 if (msg.msg_name != NULL) {
1244 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen);
1245 if (error) {
1246 to = NULL;
1247 goto out;
1248 }
1249 msg.msg_name = to;
1250 }
1251
1252 if (msg.msg_control) {
1253 if (msg.msg_controllen < sizeof(struct cmsghdr)) {
1254 error = EINVAL;
1255 goto out;
1256 }
1257
1258 error = freebsd32_copyin_control(&control, msg.msg_control,
1259 msg.msg_controllen);
1260 if (error)
1261 goto out;
1262
1263 msg.msg_control = NULL;
1264 msg.msg_controllen = 0;
1265 }
1266
1267 error = kern_sendit(td, uap->s, &msg, uap->flags, control,
1268 UIO_USERSPACE);
1269
1270out:
1271 free(iov, M_IOV);
1272 if (to)
1273 free(to, M_SONAME);
1274 return (error);
1275}
1276
1277int
1278freebsd32_recvfrom(struct thread *td,
1279 struct freebsd32_recvfrom_args *uap)
1280{
1281 struct msghdr msg;
1282 struct iovec aiov;
1283 int error;
1284
1285 if (uap->fromlenaddr) {
1286 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen,
1287 sizeof(msg.msg_namelen));
1288 if (error)
1289 return (error);
1290 } else {
1291 msg.msg_namelen = 0;
1292 }
1293
1294 msg.msg_name = PTRIN(uap->from);
1295 msg.msg_iov = &aiov;
1296 msg.msg_iovlen = 1;
1297 aiov.iov_base = PTRIN(uap->buf);
1298 aiov.iov_len = uap->len;
1299 msg.msg_control = NULL;
1300 msg.msg_flags = uap->flags;
1301 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL);
1302 if (error == 0 && uap->fromlenaddr)
1303 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr),
1304 sizeof (msg.msg_namelen));
1305 return (error);
1306}
1307
1308int
1309freebsd32_settimeofday(struct thread *td,
1310 struct freebsd32_settimeofday_args *uap)
1311{
1312 struct timeval32 tv32;
1313 struct timeval tv, *tvp;
1314 struct timezone tz, *tzp;
1315 int error;
1316
1317 if (uap->tv) {
1318 error = copyin(uap->tv, &tv32, sizeof(tv32));
1319 if (error)
1320 return (error);
1321 CP(tv32, tv, tv_sec);
1322 CP(tv32, tv, tv_usec);
1323 tvp = &tv;
1324 } else
1325 tvp = NULL;
1326 if (uap->tzp) {
1327 error = copyin(uap->tzp, &tz, sizeof(tz));
1328 if (error)
1329 return (error);
1330 tzp = &tz;
1331 } else
1332 tzp = NULL;
1333 return (kern_settimeofday(td, tvp, tzp));
1334}
1335
1336int
1337freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap)
1338{
1339 struct timeval32 s32[2];
1340 struct timeval s[2], *sp;
1341 int error;
1342
1343 if (uap->tptr != NULL) {
1344 error = copyin(uap->tptr, s32, sizeof(s32));
1345 if (error)
1346 return (error);
1347 CP(s32[0], s[0], tv_sec);
1348 CP(s32[0], s[0], tv_usec);
1349 CP(s32[1], s[1], tv_sec);
1350 CP(s32[1], s[1], tv_usec);
1351 sp = s;
1352 } else
1353 sp = NULL;
1354 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE));
1355}
1356
1357int
1358freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap)
1359{
1360 struct timeval32 s32[2];
1361 struct timeval s[2], *sp;
1362 int error;
1363
1364 if (uap->tptr != NULL) {
1365 error = copyin(uap->tptr, s32, sizeof(s32));
1366 if (error)
1367 return (error);
1368 CP(s32[0], s[0], tv_sec);
1369 CP(s32[0], s[0], tv_usec);
1370 CP(s32[1], s[1], tv_sec);
1371 CP(s32[1], s[1], tv_usec);
1372 sp = s;
1373 } else
1374 sp = NULL;
1375 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE));
1376}
1377
1378int
1379freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap)
1380{
1381 struct timeval32 s32[2];
1382 struct timeval s[2], *sp;
1383 int error;
1384
1385 if (uap->tptr != NULL) {
1386 error = copyin(uap->tptr, s32, sizeof(s32));
1387 if (error)
1388 return (error);
1389 CP(s32[0], s[0], tv_sec);
1390 CP(s32[0], s[0], tv_usec);
1391 CP(s32[1], s[1], tv_sec);
1392 CP(s32[1], s[1], tv_usec);
1393 sp = s;
1394 } else
1395 sp = NULL;
1396 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE));
1397}
1398
1399int
1400freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap)
1401{
1402 struct timeval32 s32[2];
1403 struct timeval s[2], *sp;
1404 int error;
1405
1406 if (uap->times != NULL) {
1407 error = copyin(uap->times, s32, sizeof(s32));
1408 if (error)
1409 return (error);
1410 CP(s32[0], s[0], tv_sec);
1411 CP(s32[0], s[0], tv_usec);
1412 CP(s32[1], s[1], tv_sec);
1413 CP(s32[1], s[1], tv_usec);
1414 sp = s;
1415 } else
1416 sp = NULL;
1417 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE,
1418 sp, UIO_SYSSPACE));
1419}
1420
1421int
1422freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap)
1423{
1424 struct timeval32 tv32;
1425 struct timeval delta, olddelta, *deltap;
1426 int error;
1427
1428 if (uap->delta) {
1429 error = copyin(uap->delta, &tv32, sizeof(tv32));
1430 if (error)
1431 return (error);
1432 CP(tv32, delta, tv_sec);
1433 CP(tv32, delta, tv_usec);
1434 deltap = δ
1435 } else
1436 deltap = NULL;
1437 error = kern_adjtime(td, deltap, &olddelta);
1438 if (uap->olddelta && error == 0) {
1439 CP(olddelta, tv32, tv_sec);
1440 CP(olddelta, tv32, tv_usec);
1441 error = copyout(&tv32, uap->olddelta, sizeof(tv32));
1442 }
1443 return (error);
1444}
1445
1446#ifdef COMPAT_FREEBSD4
1447int
1448freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap)
1449{
1450 struct statfs32 s32;
1451 struct statfs s;
1452 int error;
1453
1454 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s);
1455 if (error)
1456 return (error);
1457 copy_statfs(&s, &s32);
1458 return (copyout(&s32, uap->buf, sizeof(s32)));
1459}
1460#endif
1461
1462#ifdef COMPAT_FREEBSD4
1463int
1464freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap)
1465{
1466 struct statfs32 s32;
1467 struct statfs s;
1468 int error;
1469
1470 error = kern_fstatfs(td, uap->fd, &s);
1471 if (error)
1472 return (error);
1473 copy_statfs(&s, &s32);
1474 return (copyout(&s32, uap->buf, sizeof(s32)));
1475}
1476#endif
1477
1478#ifdef COMPAT_FREEBSD4
1479int
1480freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap)
1481{
1482 struct statfs32 s32;
1483 struct statfs s;
1484 fhandle_t fh;
1485 int error;
1486
1487 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0)
1488 return (error);
1489 error = kern_fhstatfs(td, fh, &s);
1490 if (error)
1491 return (error);
1492 copy_statfs(&s, &s32);
1493 return (copyout(&s32, uap->buf, sizeof(s32)));
1494}
1495#endif
1496
1497int
1498freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap)
1499{
1500 struct pread_args ap;
1501
1502 ap.fd = uap->fd;
1503 ap.buf = uap->buf;
1504 ap.nbyte = uap->nbyte;
1505 ap.offset = PAIR32TO64(off_t,uap->offset);
1506 return (sys_pread(td, &ap));
1507}
1508
1509int
1510freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap)
1511{
1512 struct pwrite_args ap;
1513
1514 ap.fd = uap->fd;
1515 ap.buf = uap->buf;
1516 ap.nbyte = uap->nbyte;
1517 ap.offset = PAIR32TO64(off_t,uap->offset);
1518 return (sys_pwrite(td, &ap));
1519}
1520
1521#ifdef COMPAT_43
1522int
1523ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap)
1524{
1525 struct lseek_args nuap;
1526
1527 nuap.fd = uap->fd;
1528 nuap.offset = uap->offset;
1529 nuap.whence = uap->whence;
1530 return (sys_lseek(td, &nuap));
1531}
1532#endif
1533
1534int
1535freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap)
1536{
1537 int error;
1538 struct lseek_args ap;
1539 off_t pos;
1540
1541 ap.fd = uap->fd;
1542 ap.offset = PAIR32TO64(off_t,uap->offset);
1543 ap.whence = uap->whence;
1544 error = sys_lseek(td, &ap);
1545 /* Expand the quad return into two parts for eax and edx */
1546 pos = *(off_t *)(td->td_retval);
1547 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
1548 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
1549 return error;
1550}
1551
1552int
1553freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap)
1554{
1555 struct truncate_args ap;
1556
1557 ap.path = uap->path;
1558 ap.length = PAIR32TO64(off_t,uap->length);
1559 return (sys_truncate(td, &ap));
1560}
1561
1562int
1563freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap)
1564{
1565 struct ftruncate_args ap;
1566
1567 ap.fd = uap->fd;
1568 ap.length = PAIR32TO64(off_t,uap->length);
1569 return (sys_ftruncate(td, &ap));
1570}
1571
1572#ifdef COMPAT_43
1573int
1574ofreebsd32_getdirentries(struct thread *td,
1575 struct ofreebsd32_getdirentries_args *uap)
1576{
1577 struct ogetdirentries_args ap;
1578 int error;
1579 long loff;
1580 int32_t loff_cut;
1581
1582 ap.fd = uap->fd;
1583 ap.buf = uap->buf;
1584 ap.count = uap->count;
1585 ap.basep = NULL;
1586 error = kern_ogetdirentries(td, &ap, &loff);
1587 if (error == 0) {
1588 loff_cut = loff;
1589 error = copyout(&loff_cut, uap->basep, sizeof(int32_t));
1590 }
1591 return (error);
1592}
1593#endif
1594
1595int
1596freebsd32_getdirentries(struct thread *td,
1597 struct freebsd32_getdirentries_args *uap)
1598{
1599 long base;
1600 int32_t base32;
1601 int error;
1602
1603 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base,
1604 NULL, UIO_USERSPACE);
1605 if (error)
1606 return (error);
1607 if (uap->basep != NULL) {
1608 base32 = base;
1609 error = copyout(&base32, uap->basep, sizeof(int32_t));
1610 }
1611 return (error);
1612}
1613
1614#ifdef COMPAT_FREEBSD6
1615/* versions with the 'int pad' argument */
1616int
1617freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap)
1618{
1619 struct pread_args ap;
1620
1621 ap.fd = uap->fd;
1622 ap.buf = uap->buf;
1623 ap.nbyte = uap->nbyte;
1624 ap.offset = PAIR32TO64(off_t,uap->offset);
1625 return (sys_pread(td, &ap));
1626}
1627
1628int
1629freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap)
1630{
1631 struct pwrite_args ap;
1632
1633 ap.fd = uap->fd;
1634 ap.buf = uap->buf;
1635 ap.nbyte = uap->nbyte;
1636 ap.offset = PAIR32TO64(off_t,uap->offset);
1637 return (sys_pwrite(td, &ap));
1638}
1639
1640int
1641freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap)
1642{
1643 int error;
1644 struct lseek_args ap;
1645 off_t pos;
1646
1647 ap.fd = uap->fd;
1648 ap.offset = PAIR32TO64(off_t,uap->offset);
1649 ap.whence = uap->whence;
1650 error = sys_lseek(td, &ap);
1651 /* Expand the quad return into two parts for eax and edx */
1652 pos = *(off_t *)(td->td_retval);
1653 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
1654 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
1655 return error;
1656}
1657
1658int
1659freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap)
1660{
1661 struct truncate_args ap;
1662
1663 ap.path = uap->path;
1664 ap.length = PAIR32TO64(off_t,uap->length);
1665 return (sys_truncate(td, &ap));
1666}
1667
1668int
1669freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap)
1670{
1671 struct ftruncate_args ap;
1672
1673 ap.fd = uap->fd;
1674 ap.length = PAIR32TO64(off_t,uap->length);
1675 return (sys_ftruncate(td, &ap));
1676}
1677#endif /* COMPAT_FREEBSD6 */
1678
1679struct sf_hdtr32 {
1680 uint32_t headers;
1681 int hdr_cnt;
1682 uint32_t trailers;
1683 int trl_cnt;
1684};
1685
1686static int
1687freebsd32_do_sendfile(struct thread *td,
1688 struct freebsd32_sendfile_args *uap, int compat)
1689{
1690 struct sf_hdtr32 hdtr32;
1691 struct sf_hdtr hdtr;
1692 struct uio *hdr_uio, *trl_uio;
1693 struct iovec32 *iov32;
1694 struct file *fp;
1695 cap_rights_t rights;
1696 off_t offset;
1697 int error;
1698
1699 offset = PAIR32TO64(off_t, uap->offset);
1700 if (offset < 0)
1701 return (EINVAL);
1702
1703 hdr_uio = trl_uio = NULL;
1704
1705 if (uap->hdtr != NULL) {
1706 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32));
1707 if (error)
1708 goto out;
1709 PTRIN_CP(hdtr32, hdtr, headers);
1710 CP(hdtr32, hdtr, hdr_cnt);
1711 PTRIN_CP(hdtr32, hdtr, trailers);
1712 CP(hdtr32, hdtr, trl_cnt);
1713
1714 if (hdtr.headers != NULL) {
1715 iov32 = PTRIN(hdtr32.headers);
1716 error = freebsd32_copyinuio(iov32,
1717 hdtr32.hdr_cnt, &hdr_uio);
1718 if (error)
1719 goto out;
1720 }
1721 if (hdtr.trailers != NULL) {
1722 iov32 = PTRIN(hdtr32.trailers);
1723 error = freebsd32_copyinuio(iov32,
1724 hdtr32.trl_cnt, &trl_uio);
1725 if (error)
1726 goto out;
1727 }
1728 }
1729
1730 AUDIT_ARG_FD(uap->fd);
1731
1732 if ((error = fget_read(td, uap->fd,
1733 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0) {
1734 goto out;
1735 }
1736
1737 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset,
1738 uap->nbytes, uap->sbytes, uap->flags, compat ? SFK_COMPAT : 0, td);
1739 fdrop(fp, td);
1740
1741out:
1742 if (hdr_uio)
1743 free(hdr_uio, M_IOV);
1744 if (trl_uio)
1745 free(trl_uio, M_IOV);
1746 return (error);
1747}
1748
1749#ifdef COMPAT_FREEBSD4
1750int
1751freebsd4_freebsd32_sendfile(struct thread *td,
1752 struct freebsd4_freebsd32_sendfile_args *uap)
1753{
1754 return (freebsd32_do_sendfile(td,
1755 (struct freebsd32_sendfile_args *)uap, 1));
1756}
1757#endif
1758
1759int
1760freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap)
1761{
1762
1763 return (freebsd32_do_sendfile(td, uap, 0));
1764}
1765
1766static void
1767copy_stat(struct stat *in, struct stat32 *out)
1768{
1769
1770 CP(*in, *out, st_dev);
1771 CP(*in, *out, st_ino);
1772 CP(*in, *out, st_mode);
1773 CP(*in, *out, st_nlink);
1774 CP(*in, *out, st_uid);
1775 CP(*in, *out, st_gid);
1776 CP(*in, *out, st_rdev);
1777 TS_CP(*in, *out, st_atim);
1778 TS_CP(*in, *out, st_mtim);
1779 TS_CP(*in, *out, st_ctim);
1780 CP(*in, *out, st_size);
1781 CP(*in, *out, st_blocks);
1782 CP(*in, *out, st_blksize);
1783 CP(*in, *out, st_flags);
1784 CP(*in, *out, st_gen);
1785 TS_CP(*in, *out, st_birthtim);
1786}
1787
1788#ifdef COMPAT_43
1789static void
1790copy_ostat(struct stat *in, struct ostat32 *out)
1791{
1792
1793 CP(*in, *out, st_dev);
1794 CP(*in, *out, st_ino);
1795 CP(*in, *out, st_mode);
1796 CP(*in, *out, st_nlink);
1797 CP(*in, *out, st_uid);
1798 CP(*in, *out, st_gid);
1799 CP(*in, *out, st_rdev);
1800 CP(*in, *out, st_size);
1801 TS_CP(*in, *out, st_atim);
1802 TS_CP(*in, *out, st_mtim);
1803 TS_CP(*in, *out, st_ctim);
1804 CP(*in, *out, st_blksize);
1805 CP(*in, *out, st_blocks);
1806 CP(*in, *out, st_flags);
1807 CP(*in, *out, st_gen);
1808}
1809#endif
1810
1811int
1812freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap)
1813{
1814 struct stat sb;
1815 struct stat32 sb32;
1816 int error;
1817
1818 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb);
1819 if (error)
1820 return (error);
1821 copy_stat(&sb, &sb32);
1822 error = copyout(&sb32, uap->ub, sizeof (sb32));
1823 return (error);
1824}
1825
1826#ifdef COMPAT_43
1827int
1828ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap)
1829{
1830 struct stat sb;
1831 struct ostat32 sb32;
1832 int error;
1833
1834 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb);
1835 if (error)
1836 return (error);
1837 copy_ostat(&sb, &sb32);
1838 error = copyout(&sb32, uap->ub, sizeof (sb32));
1839 return (error);
1840}
1841#endif
1842
1843int
1844freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap)
1845{
1846 struct stat ub;
1847 struct stat32 ub32;
1848 int error;
1849
1850 error = kern_fstat(td, uap->fd, &ub);
1851 if (error)
1852 return (error);
1853 copy_stat(&ub, &ub32);
1854 error = copyout(&ub32, uap->ub, sizeof(ub32));
1855 return (error);
1856}
1857
1858#ifdef COMPAT_43
1859int
1860ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap)
1861{
1862 struct stat ub;
1863 struct ostat32 ub32;
1864 int error;
1865
1866 error = kern_fstat(td, uap->fd, &ub);
1867 if (error)
1868 return (error);
1869 copy_ostat(&ub, &ub32);
1870 error = copyout(&ub32, uap->ub, sizeof(ub32));
1871 return (error);
1872}
1873#endif
1874
1875int
1876freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap)
1877{
1878 struct stat ub;
1879 struct stat32 ub32;
1880 int error;
1881
1882 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub);
1883 if (error)
1884 return (error);
1885 copy_stat(&ub, &ub32);
1886 error = copyout(&ub32, uap->buf, sizeof(ub32));
1887 return (error);
1888}
1889
1890int
1891freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap)
1892{
1893 struct stat sb;
1894 struct stat32 sb32;
1895 int error;
1896
1897 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb);
1898 if (error)
1899 return (error);
1900 copy_stat(&sb, &sb32);
1901 error = copyout(&sb32, uap->ub, sizeof (sb32));
1902 return (error);
1903}
1904
1905#ifdef COMPAT_43
1906int
1907ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap)
1908{
1909 struct stat sb;
1910 struct ostat32 sb32;
1911 int error;
1912
1913 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb);
1914 if (error)
1915 return (error);
1916 copy_ostat(&sb, &sb32);
1917 error = copyout(&sb32, uap->ub, sizeof (sb32));
1918 return (error);
1919}
1920#endif
1921
1922int
1923freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap)
1924{
1925 int error, name[CTL_MAXNAME];
1926 size_t j, oldlen;
1927
1928 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2)
1929 return (EINVAL);
1930 error = copyin(uap->name, name, uap->namelen * sizeof(int));
1931 if (error)
1932 return (error);
1933 if (uap->oldlenp)
1934 oldlen = fuword32(uap->oldlenp);
1935 else
1936 oldlen = 0;
1937 error = userland_sysctl(td, name, uap->namelen,
1938 uap->old, &oldlen, 1,
1939 uap->new, uap->newlen, &j, SCTL_MASK32);
1940 if (error && error != ENOMEM)
1941 return (error);
1942 if (uap->oldlenp)
1943 suword32(uap->oldlenp, j);
1944 return (0);
1945}
1946
1947int
1948freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap)
1949{
1950 uint32_t version;
1951 int error;
1952 struct jail j;
1953
1954 error = copyin(uap->jail, &version, sizeof(uint32_t));
1955 if (error)
1956 return (error);
1957
1958 switch (version) {
1959 case 0:
1960 {
1961 /* FreeBSD single IPv4 jails. */
1962 struct jail32_v0 j32_v0;
1963
1964 bzero(&j, sizeof(struct jail));
1965 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0));
1966 if (error)
1967 return (error);
1968 CP(j32_v0, j, version);
1969 PTRIN_CP(j32_v0, j, path);
1970 PTRIN_CP(j32_v0, j, hostname);
1971 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */
1972 break;
1973 }
1974
1975 case 1:
1976 /*
1977 * Version 1 was used by multi-IPv4 jail implementations
1978 * that never made it into the official kernel.
1979 */
1980 return (EINVAL);
1981
1982 case 2: /* JAIL_API_VERSION */
1983 {
1984 /* FreeBSD multi-IPv4/IPv6,noIP jails. */
1985 struct jail32 j32;
1986
1987 error = copyin(uap->jail, &j32, sizeof(struct jail32));
1988 if (error)
1989 return (error);
1990 CP(j32, j, version);
1991 PTRIN_CP(j32, j, path);
1992 PTRIN_CP(j32, j, hostname);
1993 PTRIN_CP(j32, j, jailname);
1994 CP(j32, j, ip4s);
1995 CP(j32, j, ip6s);
1996 PTRIN_CP(j32, j, ip4);
1997 PTRIN_CP(j32, j, ip6);
1998 break;
1999 }
2000
2001 default:
2002 /* Sci-Fi jails are not supported, sorry. */
2003 return (EINVAL);
2004 }
2005 return (kern_jail(td, &j));
2006}
2007
2008int
2009freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap)
2010{
2011 struct uio *auio;
2012 int error;
2013
2014 /* Check that we have an even number of iovecs. */
2015 if (uap->iovcnt & 1)
2016 return (EINVAL);
2017
2018 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
2019 if (error)
2020 return (error);
2021 error = kern_jail_set(td, auio, uap->flags);
2022 free(auio, M_IOV);
2023 return (error);
2024}
2025
2026int
2027freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap)
2028{
2029 struct iovec32 iov32;
2030 struct uio *auio;
2031 int error, i;
2032
2033 /* Check that we have an even number of iovecs. */
2034 if (uap->iovcnt & 1)
2035 return (EINVAL);
2036
2037 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
2038 if (error)
2039 return (error);
2040 error = kern_jail_get(td, auio, uap->flags);
2041 if (error == 0)
2042 for (i = 0; i < uap->iovcnt; i++) {
2043 PTROUT_CP(auio->uio_iov[i], iov32, iov_base);
2044 CP(auio->uio_iov[i], iov32, iov_len);
2045 error = copyout(&iov32, uap->iovp + i, sizeof(iov32));
2046 if (error != 0)
2047 break;
2048 }
2049 free(auio, M_IOV);
2050 return (error);
2051}
2052
2053int
2054freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap)
2055{
2056 struct sigaction32 s32;
2057 struct sigaction sa, osa, *sap;
2058 int error;
2059
2060 if (uap->act) {
2061 error = copyin(uap->act, &s32, sizeof(s32));
2062 if (error)
2063 return (error);
2064 sa.sa_handler = PTRIN(s32.sa_u);
2065 CP(s32, sa, sa_flags);
2066 CP(s32, sa, sa_mask);
2067 sap = &sa;
2068 } else
2069 sap = NULL;
2070 error = kern_sigaction(td, uap->sig, sap, &osa, 0);
2071 if (error == 0 && uap->oact != NULL) {
2072 s32.sa_u = PTROUT(osa.sa_handler);
2073 CP(osa, s32, sa_flags);
2074 CP(osa, s32, sa_mask);
2075 error = copyout(&s32, uap->oact, sizeof(s32));
2076 }
2077 return (error);
2078}
2079
2080#ifdef COMPAT_FREEBSD4
2081int
2082freebsd4_freebsd32_sigaction(struct thread *td,
2083 struct freebsd4_freebsd32_sigaction_args *uap)
2084{
2085 struct sigaction32 s32;
2086 struct sigaction sa, osa, *sap;
2087 int error;
2088
2089 if (uap->act) {
2090 error = copyin(uap->act, &s32, sizeof(s32));
2091 if (error)
2092 return (error);
2093 sa.sa_handler = PTRIN(s32.sa_u);
2094 CP(s32, sa, sa_flags);
2095 CP(s32, sa, sa_mask);
2096 sap = &sa;
2097 } else
2098 sap = NULL;
2099 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4);
2100 if (error == 0 && uap->oact != NULL) {
2101 s32.sa_u = PTROUT(osa.sa_handler);
2102 CP(osa, s32, sa_flags);
2103 CP(osa, s32, sa_mask);
2104 error = copyout(&s32, uap->oact, sizeof(s32));
2105 }
2106 return (error);
2107}
2108#endif
2109
2110#ifdef COMPAT_43
2111struct osigaction32 {
2112 u_int32_t sa_u;
2113 osigset_t sa_mask;
2114 int sa_flags;
2115};
2116
2117#define ONSIG 32
2118
2119int
2120ofreebsd32_sigaction(struct thread *td,
2121 struct ofreebsd32_sigaction_args *uap)
2122{
2123 struct osigaction32 s32;
2124 struct sigaction sa, osa, *sap;
2125 int error;
2126
2127 if (uap->signum <= 0 || uap->signum >= ONSIG)
2128 return (EINVAL);
2129
2130 if (uap->nsa) {
2131 error = copyin(uap->nsa, &s32, sizeof(s32));
2132 if (error)
2133 return (error);
2134 sa.sa_handler = PTRIN(s32.sa_u);
2135 CP(s32, sa, sa_flags);
2136 OSIG2SIG(s32.sa_mask, sa.sa_mask);
2137 sap = &sa;
2138 } else
2139 sap = NULL;
2140 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
2141 if (error == 0 && uap->osa != NULL) {
2142 s32.sa_u = PTROUT(osa.sa_handler);
2143 CP(osa, s32, sa_flags);
2144 SIG2OSIG(osa.sa_mask, s32.sa_mask);
2145 error = copyout(&s32, uap->osa, sizeof(s32));
2146 }
2147 return (error);
2148}
2149
2150int
2151ofreebsd32_sigprocmask(struct thread *td,
2152 struct ofreebsd32_sigprocmask_args *uap)
2153{
2154 sigset_t set, oset;
2155 int error;
2156
2157 OSIG2SIG(uap->mask, set);
2158 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD);
2159 SIG2OSIG(oset, td->td_retval[0]);
2160 return (error);
2161}
2162
2163int
2164ofreebsd32_sigpending(struct thread *td,
2165 struct ofreebsd32_sigpending_args *uap)
2166{
2167 struct proc *p = td->td_proc;
2168 sigset_t siglist;
2169
2170 PROC_LOCK(p);
2171 siglist = p->p_siglist;
2172 SIGSETOR(siglist, td->td_siglist);
2173 PROC_UNLOCK(p);
2174 SIG2OSIG(siglist, td->td_retval[0]);
2175 return (0);
2176}
2177
2178struct sigvec32 {
2179 u_int32_t sv_handler;
2180 int sv_mask;
2181 int sv_flags;
2182};
2183
2184int
2185ofreebsd32_sigvec(struct thread *td,
2186 struct ofreebsd32_sigvec_args *uap)
2187{
2188 struct sigvec32 vec;
2189 struct sigaction sa, osa, *sap;
2190 int error;
2191
2192 if (uap->signum <= 0 || uap->signum >= ONSIG)
2193 return (EINVAL);
2194
2195 if (uap->nsv) {
2196 error = copyin(uap->nsv, &vec, sizeof(vec));
2197 if (error)
2198 return (error);
2199 sa.sa_handler = PTRIN(vec.sv_handler);
2200 OSIG2SIG(vec.sv_mask, sa.sa_mask);
2201 sa.sa_flags = vec.sv_flags;
2202 sa.sa_flags ^= SA_RESTART;
2203 sap = &sa;
2204 } else
2205 sap = NULL;
2206 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
2207 if (error == 0 && uap->osv != NULL) {
2208 vec.sv_handler = PTROUT(osa.sa_handler);
2209 SIG2OSIG(osa.sa_mask, vec.sv_mask);
2210 vec.sv_flags = osa.sa_flags;
2211 vec.sv_flags &= ~SA_NOCLDWAIT;
2212 vec.sv_flags ^= SA_RESTART;
2213 error = copyout(&vec, uap->osv, sizeof(vec));
2214 }
2215 return (error);
2216}
2217
2218int
2219ofreebsd32_sigblock(struct thread *td,
2220 struct ofreebsd32_sigblock_args *uap)
2221{
2222 sigset_t set, oset;
2223
2224 OSIG2SIG(uap->mask, set);
2225 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0);
2226 SIG2OSIG(oset, td->td_retval[0]);
2227 return (0);
2228}
2229
2230int
2231ofreebsd32_sigsetmask(struct thread *td,
2232 struct ofreebsd32_sigsetmask_args *uap)
2233{
2234 sigset_t set, oset;
2235
2236 OSIG2SIG(uap->mask, set);
2237 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0);
2238 SIG2OSIG(oset, td->td_retval[0]);
2239 return (0);
2240}
2241
2242int
2243ofreebsd32_sigsuspend(struct thread *td,
2244 struct ofreebsd32_sigsuspend_args *uap)
2245{
2246 sigset_t mask;
2247
2248 OSIG2SIG(uap->mask, mask);
2249 return (kern_sigsuspend(td, mask));
2250}
2251
2252struct sigstack32 {
2253 u_int32_t ss_sp;
2254 int ss_onstack;
2255};
2256
2257int
2258ofreebsd32_sigstack(struct thread *td,
2259 struct ofreebsd32_sigstack_args *uap)
2260{
2261 struct sigstack32 s32;
2262 struct sigstack nss, oss;
2263 int error = 0, unss;
2264
2265 if (uap->nss != NULL) {
2266 error = copyin(uap->nss, &s32, sizeof(s32));
2267 if (error)
2268 return (error);
2269 nss.ss_sp = PTRIN(s32.ss_sp);
2270 CP(s32, nss, ss_onstack);
2271 unss = 1;
2272 } else {
2273 unss = 0;
2274 }
2275 oss.ss_sp = td->td_sigstk.ss_sp;
2276 oss.ss_onstack = sigonstack(cpu_getstack(td));
2277 if (unss) {
2278 td->td_sigstk.ss_sp = nss.ss_sp;
2279 td->td_sigstk.ss_size = 0;
2280 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK);
2281 td->td_pflags |= TDP_ALTSTACK;
2282 }
2283 if (uap->oss != NULL) {
2284 s32.ss_sp = PTROUT(oss.ss_sp);
2285 CP(oss, s32, ss_onstack);
2286 error = copyout(&s32, uap->oss, sizeof(s32));
2287 }
2288 return (error);
2289}
2290#endif
2291
2292int
2293freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap)
2294{
2295 struct timespec32 rmt32, rqt32;
2296 struct timespec rmt, rqt;
2297 int error;
2298
2299 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32));
2300 if (error)
2301 return (error);
2302
2303 CP(rqt32, rqt, tv_sec);
2304 CP(rqt32, rqt, tv_nsec);
2305
2306 if (uap->rmtp &&
2307 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE))
2308 return (EFAULT);
2309 error = kern_nanosleep(td, &rqt, &rmt);
2310 if (error && uap->rmtp) {
2311 int error2;
2312
2313 CP(rmt, rmt32, tv_sec);
2314 CP(rmt, rmt32, tv_nsec);
2315
2316 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32));
2317 if (error2)
2318 error = error2;
2319 }
2320 return (error);
2321}
2322
2323int
2324freebsd32_clock_gettime(struct thread *td,
2325 struct freebsd32_clock_gettime_args *uap)
2326{
2327 struct timespec ats;
2328 struct timespec32 ats32;
2329 int error;
2330
2331 error = kern_clock_gettime(td, uap->clock_id, &ats);
2332 if (error == 0) {
2333 CP(ats, ats32, tv_sec);
2334 CP(ats, ats32, tv_nsec);
2335 error = copyout(&ats32, uap->tp, sizeof(ats32));
2336 }
2337 return (error);
2338}
2339
2340int
2341freebsd32_clock_settime(struct thread *td,
2342 struct freebsd32_clock_settime_args *uap)
2343{
2344 struct timespec ats;
2345 struct timespec32 ats32;
2346 int error;
2347
2348 error = copyin(uap->tp, &ats32, sizeof(ats32));
2349 if (error)
2350 return (error);
2351 CP(ats32, ats, tv_sec);
2352 CP(ats32, ats, tv_nsec);
2353
2354 return (kern_clock_settime(td, uap->clock_id, &ats));
2355}
2356
2357int
2358freebsd32_clock_getres(struct thread *td,
2359 struct freebsd32_clock_getres_args *uap)
2360{
2361 struct timespec ts;
2362 struct timespec32 ts32;
2363 int error;
2364
2365 if (uap->tp == NULL)
2366 return (0);
2367 error = kern_clock_getres(td, uap->clock_id, &ts);
2368 if (error == 0) {
2369 CP(ts, ts32, tv_sec);
2370 CP(ts, ts32, tv_nsec);
2371 error = copyout(&ts32, uap->tp, sizeof(ts32));
2372 }
2373 return (error);
2374}
2375
2376int freebsd32_ktimer_create(struct thread *td,
2377 struct freebsd32_ktimer_create_args *uap)
2378{
2379 struct sigevent32 ev32;
2380 struct sigevent ev, *evp;
2381 int error, id;
2382
2383 if (uap->evp == NULL) {
2384 evp = NULL;
2385 } else {
2386 evp = &ev;
2387 error = copyin(uap->evp, &ev32, sizeof(ev32));
2388 if (error != 0)
2389 return (error);
2390 error = convert_sigevent32(&ev32, &ev);
2391 if (error != 0)
2392 return (error);
2393 }
2394 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1);
2395 if (error == 0) {
2396 error = copyout(&id, uap->timerid, sizeof(int));
2397 if (error != 0)
2398 kern_ktimer_delete(td, id);
2399 }
2400 return (error);
2401}
2402
2403int
2404freebsd32_ktimer_settime(struct thread *td,
2405 struct freebsd32_ktimer_settime_args *uap)
2406{
2407 struct itimerspec32 val32, oval32;
2408 struct itimerspec val, oval, *ovalp;
2409 int error;
2410
2411 error = copyin(uap->value, &val32, sizeof(val32));
2412 if (error != 0)
2413 return (error);
2414 ITS_CP(val32, val);
2415 ovalp = uap->ovalue != NULL ? &oval : NULL;
2416 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp);
2417 if (error == 0 && uap->ovalue != NULL) {
2418 ITS_CP(oval, oval32);
2419 error = copyout(&oval32, uap->ovalue, sizeof(oval32));
2420 }
2421 return (error);
2422}
2423
2424int
2425freebsd32_ktimer_gettime(struct thread *td,
2426 struct freebsd32_ktimer_gettime_args *uap)
2427{
2428 struct itimerspec32 val32;
2429 struct itimerspec val;
2430 int error;
2431
2432 error = kern_ktimer_gettime(td, uap->timerid, &val);
2433 if (error == 0) {
2434 ITS_CP(val, val32);
2435 error = copyout(&val32, uap->value, sizeof(val32));
2436 }
2437 return (error);
2438}
2439
2440int
2441freebsd32_clock_getcpuclockid2(struct thread *td,
2442 struct freebsd32_clock_getcpuclockid2_args *uap)
2443{
2444 clockid_t clk_id;
2445 int error;
2446
2447 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id),
2448 uap->which, &clk_id);
2449 if (error == 0)
2450 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t));
2451 return (error);
2452}
2453
2454int
2455freebsd32_thr_new(struct thread *td,
2456 struct freebsd32_thr_new_args *uap)
2457{
2458 struct thr_param32 param32;
2459 struct thr_param param;
2460 int error;
2461
2462 if (uap->param_size < 0 ||
2463 uap->param_size > sizeof(struct thr_param32))
2464 return (EINVAL);
2465 bzero(¶m, sizeof(struct thr_param));
2466 bzero(¶m32, sizeof(struct thr_param32));
2467 error = copyin(uap->param, ¶m32, uap->param_size);
2468 if (error != 0)
2469 return (error);
2470 param.start_func = PTRIN(param32.start_func);
2471 param.arg = PTRIN(param32.arg);
2472 param.stack_base = PTRIN(param32.stack_base);
2473 param.stack_size = param32.stack_size;
2474 param.tls_base = PTRIN(param32.tls_base);
2475 param.tls_size = param32.tls_size;
2476 param.child_tid = PTRIN(param32.child_tid);
2477 param.parent_tid = PTRIN(param32.parent_tid);
2478 param.flags = param32.flags;
2479 param.rtp = PTRIN(param32.rtp);
2480 param.spare[0] = PTRIN(param32.spare[0]);
2481 param.spare[1] = PTRIN(param32.spare[1]);
2482 param.spare[2] = PTRIN(param32.spare[2]);
2483
2484 return (kern_thr_new(td, ¶m));
2485}
2486
2487int
2488freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap)
2489{
2490 struct timespec32 ts32;
2491 struct timespec ts, *tsp;
2492 int error;
2493
2494 error = 0;
2495 tsp = NULL;
2496 if (uap->timeout != NULL) {
2497 error = copyin((const void *)uap->timeout, (void *)&ts32,
2498 sizeof(struct timespec32));
2499 if (error != 0)
2500 return (error);
2501 ts.tv_sec = ts32.tv_sec;
2502 ts.tv_nsec = ts32.tv_nsec;
2503 tsp = &ts;
2504 }
2505 return (kern_thr_suspend(td, tsp));
2506}
2507
2508void
2509siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst)
2510{
2511 bzero(dst, sizeof(*dst));
2512 dst->si_signo = src->si_signo;
2513 dst->si_errno = src->si_errno;
2514 dst->si_code = src->si_code;
2515 dst->si_pid = src->si_pid;
2516 dst->si_uid = src->si_uid;
2517 dst->si_status = src->si_status;
2518 dst->si_addr = (uintptr_t)src->si_addr;
2519 dst->si_value.sival_int = src->si_value.sival_int;
2520 dst->si_timerid = src->si_timerid;
2521 dst->si_overrun = src->si_overrun;
2522}
2523
2524int
2525freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap)
2526{
2527 struct timespec32 ts32;
2528 struct timespec ts;
2529 struct timespec *timeout;
2530 sigset_t set;
2531 ksiginfo_t ksi;
2532 struct siginfo32 si32;
2533 int error;
2534
2535 if (uap->timeout) {
2536 error = copyin(uap->timeout, &ts32, sizeof(ts32));
2537 if (error)
2538 return (error);
2539 ts.tv_sec = ts32.tv_sec;
2540 ts.tv_nsec = ts32.tv_nsec;
2541 timeout = &ts;
2542 } else
2543 timeout = NULL;
2544
2545 error = copyin(uap->set, &set, sizeof(set));
2546 if (error)
2547 return (error);
2548
2549 error = kern_sigtimedwait(td, set, &ksi, timeout);
2550 if (error)
2551 return (error);
2552
2553 if (uap->info) {
2554 siginfo_to_siginfo32(&ksi.ksi_info, &si32);
2555 error = copyout(&si32, uap->info, sizeof(struct siginfo32));
2556 }
2557
2558 if (error == 0)
2559 td->td_retval[0] = ksi.ksi_signo;
2560 return (error);
2561}
2562
2563/*
2564 * MPSAFE
2565 */
2566int
2567freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap)
2568{
2569 ksiginfo_t ksi;
2570 struct siginfo32 si32;
2571 sigset_t set;
2572 int error;
2573
2574 error = copyin(uap->set, &set, sizeof(set));
2575 if (error)
2576 return (error);
2577
2578 error = kern_sigtimedwait(td, set, &ksi, NULL);
2579 if (error)
2580 return (error);
2581
2582 if (uap->info) {
2583 siginfo_to_siginfo32(&ksi.ksi_info, &si32);
2584 error = copyout(&si32, uap->info, sizeof(struct siginfo32));
2585 }
2586 if (error == 0)
2587 td->td_retval[0] = ksi.ksi_signo;
2588 return (error);
2589}
2590
2591int
2592freebsd32_cpuset_setid(struct thread *td,
2593 struct freebsd32_cpuset_setid_args *uap)
2594{
2595 struct cpuset_setid_args ap;
2596
2597 ap.which = uap->which;
2598 ap.id = PAIR32TO64(id_t,uap->id);
2599 ap.setid = uap->setid;
2600
2601 return (sys_cpuset_setid(td, &ap));
2602}
2603
2604int
2605freebsd32_cpuset_getid(struct thread *td,
2606 struct freebsd32_cpuset_getid_args *uap)
2607{
2608 struct cpuset_getid_args ap;
2609
2610 ap.level = uap->level;
2611 ap.which = uap->which;
2612 ap.id = PAIR32TO64(id_t,uap->id);
2613 ap.setid = uap->setid;
2614
2615 return (sys_cpuset_getid(td, &ap));
2616}
2617
2618int
2619freebsd32_cpuset_getaffinity(struct thread *td,
2620 struct freebsd32_cpuset_getaffinity_args *uap)
2621{
2622 struct cpuset_getaffinity_args ap;
2623
2624 ap.level = uap->level;
2625 ap.which = uap->which;
2626 ap.id = PAIR32TO64(id_t,uap->id);
2627 ap.cpusetsize = uap->cpusetsize;
2628 ap.mask = uap->mask;
2629
2630 return (sys_cpuset_getaffinity(td, &ap));
2631}
2632
2633int
2634freebsd32_cpuset_setaffinity(struct thread *td,
2635 struct freebsd32_cpuset_setaffinity_args *uap)
2636{
2637 struct cpuset_setaffinity_args ap;
2638
2639 ap.level = uap->level;
2640 ap.which = uap->which;
2641 ap.id = PAIR32TO64(id_t,uap->id);
2642 ap.cpusetsize = uap->cpusetsize;
2643 ap.mask = uap->mask;
2644
2645 return (sys_cpuset_setaffinity(td, &ap));
2646}
2647
2648int
2649freebsd32_nmount(struct thread *td,
2650 struct freebsd32_nmount_args /* {
2651 struct iovec *iovp;
2652 unsigned int iovcnt;
2653 int flags;
2654 } */ *uap)
2655{
2656 struct uio *auio;
2657 uint64_t flags;
2658 int error;
2659
2660 /*
2661 * Mount flags are now 64-bits. On 32-bit archtectures only
2662 * 32-bits are passed in, but from here on everything handles
2663 * 64-bit flags correctly.
2664 */
2665 flags = uap->flags;
2666
2667 AUDIT_ARG_FFLAGS(flags);
2668
2669 /*
2670 * Filter out MNT_ROOTFS. We do not want clients of nmount() in
2671 * userspace to set this flag, but we must filter it out if we want
2672 * MNT_UPDATE on the root file system to work.
2673 * MNT_ROOTFS should only be set by the kernel when mounting its
2674 * root file system.
2675 */
2676 flags &= ~MNT_ROOTFS;
2677
2678 /*
2679 * check that we have an even number of iovec's
2680 * and that we have at least two options.
2681 */
2682 if ((uap->iovcnt & 1) || (uap->iovcnt < 4))
2683 return (EINVAL);
2684
2685 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
2686 if (error)
2687 return (error);
2688 error = vfs_donmount(td, flags, auio);
2689
2690 free(auio, M_IOV);
2691 return error;
2692}
2693
2694#if 0
2695int
2696freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap)
2697{
2698 struct yyy32 *p32, s32;
2699 struct yyy *p = NULL, s;
2700 struct xxx_arg ap;
2701 int error;
2702
2703 if (uap->zzz) {
2704 error = copyin(uap->zzz, &s32, sizeof(s32));
2705 if (error)
2706 return (error);
2707 /* translate in */
2708 p = &s;
2709 }
2710 error = kern_xxx(td, p);
2711 if (error)
2712 return (error);
2713 if (uap->zzz) {
2714 /* translate out */
2715 error = copyout(&s32, p32, sizeof(s32));
2716 }
2717 return (error);
2718}
2719#endif
2720
2721int
2722syscall32_register(int *offset, struct sysent *new_sysent,
2723 struct sysent *old_sysent)
2724{
2725 if (*offset == NO_SYSCALL) {
2726 int i;
2727
2728 for (i = 1; i < SYS_MAXSYSCALL; ++i)
2729 if (freebsd32_sysent[i].sy_call ==
2730 (sy_call_t *)lkmnosys)
2731 break;
2732 if (i == SYS_MAXSYSCALL)
2733 return (ENFILE);
2734 *offset = i;
2735 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL)
2736 return (EINVAL);
2737 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys &&
2738 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys)
2739 return (EEXIST);
2740
2741 *old_sysent = freebsd32_sysent[*offset];
2742 freebsd32_sysent[*offset] = *new_sysent;
2743 return 0;
2744}
2745
2746int
2747syscall32_deregister(int *offset, struct sysent *old_sysent)
2748{
2749
2750 if (*offset)
2751 freebsd32_sysent[*offset] = *old_sysent;
2752 return 0;
2753}
2754
2755int
2756syscall32_module_handler(struct module *mod, int what, void *arg)
2757{
2758 struct syscall_module_data *data = (struct syscall_module_data*)arg;
2759 modspecific_t ms;
2760 int error;
2761
2762 switch (what) {
2763 case MOD_LOAD:
2764 error = syscall32_register(data->offset, data->new_sysent,
2765 &data->old_sysent);
2766 if (error) {
2767 /* Leave a mark so we know to safely unload below. */
2768 data->offset = NULL;
2769 return error;
2770 }
2771 ms.intval = *data->offset;
2772 MOD_XLOCK;
2773 module_setspecific(mod, &ms);
2774 MOD_XUNLOCK;
2775 if (data->chainevh)
2776 error = data->chainevh(mod, what, data->chainarg);
2777 return (error);
2778 case MOD_UNLOAD:
2779 /*
2780 * MOD_LOAD failed, so just return without calling the
2781 * chained handler since we didn't pass along the MOD_LOAD
2782 * event.
2783 */
2784 if (data->offset == NULL)
2785 return (0);
2786 if (data->chainevh) {
2787 error = data->chainevh(mod, what, data->chainarg);
2788 if (error)
2789 return (error);
2790 }
2791 error = syscall32_deregister(data->offset, &data->old_sysent);
2792 return (error);
2793 default:
2794 error = EOPNOTSUPP;
2795 if (data->chainevh)
2796 error = data->chainevh(mod, what, data->chainarg);
2797 return (error);
2798 }
2799}
2800
2801int
2802syscall32_helper_register(struct syscall_helper_data *sd)
2803{
2804 struct syscall_helper_data *sd1;
2805 int error;
2806
2807 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) {
2808 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent,
2809 &sd1->old_sysent);
2810 if (error != 0) {
2811 syscall32_helper_unregister(sd);
2812 return (error);
2813 }
2814 sd1->registered = 1;
2815 }
2816 return (0);
2817}
2818
2819int
2820syscall32_helper_unregister(struct syscall_helper_data *sd)
2821{
2822 struct syscall_helper_data *sd1;
2823
2824 for (sd1 = sd; sd1->registered != 0; sd1++) {
2825 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent);
2826 sd1->registered = 0;
2827 }
2828 return (0);
2829}
2830
2831register_t *
2832freebsd32_copyout_strings(struct image_params *imgp)
2833{
2834 int argc, envc, i;
2835 u_int32_t *vectp;
2836 char *stringp;
2837 uintptr_t destp;
2838 u_int32_t *stack_base;
2839 struct freebsd32_ps_strings *arginfo;
2840 char canary[sizeof(long) * 8];
2841 int32_t pagesizes32[MAXPAGESIZES];
2842 size_t execpath_len;
2843 int szsigcode;
2844
2845 /*
2846 * Calculate string base and vector table pointers.
2847 * Also deal with signal trampoline code for this exec type.
2848 */
2849 if (imgp->execpath != NULL && imgp->auxargs != NULL)
2850 execpath_len = strlen(imgp->execpath) + 1;
2851 else
2852 execpath_len = 0;
2853 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent->
2854 sv_psstrings;
2855 if (imgp->proc->p_sysent->sv_sigcode_base == 0)
2856 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode);
2857 else
2858 szsigcode = 0;
2859 destp = (uintptr_t)arginfo;
2860
2861 /*
2862 * install sigcode
2863 */
2864 if (szsigcode != 0) {
2865 destp -= szsigcode;
2866 destp = rounddown2(destp, sizeof(uint32_t));
2867 copyout(imgp->proc->p_sysent->sv_sigcode, (void *)destp,
2868 szsigcode);
2869 }
2870
2871 /*
2872 * Copy the image path for the rtld.
2873 */
2874 if (execpath_len != 0) {
2875 destp -= execpath_len;
2876 imgp->execpathp = destp;
2877 copyout(imgp->execpath, (void *)destp, execpath_len);
2878 }
2879
2880 /*
2881 * Prepare the canary for SSP.
2882 */
2883 arc4rand(canary, sizeof(canary), 0);
2884 destp -= sizeof(canary);
2885 imgp->canary = destp;
2886 copyout(canary, (void *)destp, sizeof(canary));
2887 imgp->canarylen = sizeof(canary);
2888
2889 /*
2890 * Prepare the pagesizes array.
2891 */
2892 for (i = 0; i < MAXPAGESIZES; i++)
2893 pagesizes32[i] = (uint32_t)pagesizes[i];
2894 destp -= sizeof(pagesizes32);
2895 destp = rounddown2(destp, sizeof(uint32_t));
2896 imgp->pagesizes = destp;
2897 copyout(pagesizes32, (void *)destp, sizeof(pagesizes32));
2898 imgp->pagesizeslen = sizeof(pagesizes32);
2899
2900 destp -= ARG_MAX - imgp->args->stringspace;
2901 destp = rounddown2(destp, sizeof(uint32_t));
2902
2903 /*
2904 * If we have a valid auxargs ptr, prepare some room
2905 * on the stack.
2906 */
2907 if (imgp->auxargs) {
2908 /*
2909 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for
2910 * lower compatibility.
2911 */
2912 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size
2913 : (AT_COUNT * 2);
2914 /*
2915 * The '+ 2' is for the null pointers at the end of each of
2916 * the arg and env vector sets,and imgp->auxarg_size is room
2917 * for argument of Runtime loader.
2918 */
2919 vectp = (u_int32_t *) (destp - (imgp->args->argc +
2920 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) *
2921 sizeof(u_int32_t));
2922 } else {
2923 /*
2924 * The '+ 2' is for the null pointers at the end of each of
2925 * the arg and env vector sets
2926 */
2927 vectp = (u_int32_t *)(destp - (imgp->args->argc +
2928 imgp->args->envc + 2) * sizeof(u_int32_t));
2929 }
2930
2931 /*
2932 * vectp also becomes our initial stack base
2933 */
2934 stack_base = vectp;
2935
2936 stringp = imgp->args->begin_argv;
2937 argc = imgp->args->argc;
2938 envc = imgp->args->envc;
2939 /*
2940 * Copy out strings - arguments and environment.
2941 */
2942 copyout(stringp, (void *)destp, ARG_MAX - imgp->args->stringspace);
2943
2944 /*
2945 * Fill in "ps_strings" struct for ps, w, etc.
2946 */
2947 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp);
2948 suword32(&arginfo->ps_nargvstr, argc);
2949
2950 /*
2951 * Fill in argument portion of vector table.
2952 */
2953 for (; argc > 0; --argc) {
2954 suword32(vectp++, (u_int32_t)(intptr_t)destp);
2955 while (*stringp++ != 0)
2956 destp++;
2957 destp++;
2958 }
2959
2960 /* a null vector table pointer separates the argp's from the envp's */
2961 suword32(vectp++, 0);
2962
2963 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp);
2964 suword32(&arginfo->ps_nenvstr, envc);
2965
2966 /*
2967 * Fill in environment portion of vector table.
2968 */
2969 for (; envc > 0; --envc) {
2970 suword32(vectp++, (u_int32_t)(intptr_t)destp);
2971 while (*stringp++ != 0)
2972 destp++;
2973 destp++;
2974 }
2975
2976 /* end of vector table is a null pointer */
2977 suword32(vectp, 0);
2978
2979 return ((register_t *)stack_base);
2980}
2981
2982int
2983freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap)
2984{
2985 struct kld_file_stat stat;
2986 struct kld32_file_stat stat32;
2987 int error, version;
2988
2989 if ((error = copyin(&uap->stat->version, &version, sizeof(version)))
2990 != 0)
2991 return (error);
2992 if (version != sizeof(struct kld32_file_stat_1) &&
2993 version != sizeof(struct kld32_file_stat))
2994 return (EINVAL);
2995
2996 error = kern_kldstat(td, uap->fileid, &stat);
2997 if (error != 0)
2998 return (error);
2999
3000 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name));
3001 CP(stat, stat32, refs);
3002 CP(stat, stat32, id);
3003 PTROUT_CP(stat, stat32, address);
3004 CP(stat, stat32, size);
3005 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname));
3006 return (copyout(&stat32, uap->stat, version));
3007}
3008
3009int
3010freebsd32_posix_fallocate(struct thread *td,
3011 struct freebsd32_posix_fallocate_args *uap)
3012{
3013
3014 td->td_retval[0] = kern_posix_fallocate(td, uap->fd,
3015 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len));
3016 return (0);
3017}
3018
3019int
3020freebsd32_posix_fadvise(struct thread *td,
3021 struct freebsd32_posix_fadvise_args *uap)
3022{
3023
3024 td->td_retval[0] = kern_posix_fadvise(td, uap->fd,
3025 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len),
3026 uap->advice);
3027 return (0);
3028}
3029
3030int
3031convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig)
3032{
3033
3034 CP(*sig32, *sig, sigev_notify);
3035 switch (sig->sigev_notify) {
3036 case SIGEV_NONE:
3037 break;
3038 case SIGEV_THREAD_ID:
3039 CP(*sig32, *sig, sigev_notify_thread_id);
3040 /* FALLTHROUGH */
3041 case SIGEV_SIGNAL:
3042 CP(*sig32, *sig, sigev_signo);
3043 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr);
3044 break;
3045 case SIGEV_KEVENT:
3046 CP(*sig32, *sig, sigev_notify_kqueue);
3047 CP(*sig32, *sig, sigev_notify_kevent_flags);
3048 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr);
3049 break;
3050 default:
3051 return (EINVAL);
3052 }
3053 return (0);
3054}
3055
3056int
3057freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap)
3058{
3059 void *data;
3060 int error, flags;
3061
3062 switch (uap->com) {
3063 case PROC_SPROTECT:
3064 error = copyin(PTRIN(uap->data), &flags, sizeof(flags));
3065 if (error)
3066 return (error);
3067 data = &flags;
3068 break;
3069 default:
3070 return (EINVAL);
3071 }
3072 return (kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id),
3073 uap->com, data));
3074}
3075
3076int
3077freebsd32_fcntl(struct thread *td, struct freebsd32_fcntl_args *uap)
3078{
|