1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2002 Doug Rabson
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 #include "opt_ffclock.h"
31 #include "opt_inet.h"
32 #include "opt_inet6.h"
33 #include "opt_ktrace.h"
34
35 #define __ELF_WORD_SIZE 32
36
37 #ifdef COMPAT_FREEBSD11
38 #define _WANT_FREEBSD11_KEVENT
39 #endif
40
41 #include <sys/param.h>
42 #include <sys/bus.h>
43 #include <sys/capsicum.h>
44 #include <sys/clock.h>
45 #include <sys/exec.h>
46 #include <sys/fcntl.h>
47 #include <sys/filedesc.h>
48 #include <sys/imgact.h>
49 #include <sys/jail.h>
50 #include <sys/kernel.h>
51 #include <sys/limits.h>
52 #include <sys/linker.h>
53 #include <sys/lock.h>
54 #include <sys/malloc.h>
55 #include <sys/file.h> /* Must come after sys/malloc.h */
56 #include <sys/imgact.h>
57 #include <sys/mbuf.h>
58 #include <sys/mman.h>
59 #include <sys/module.h>
60 #include <sys/mount.h>
61 #include <sys/mutex.h>
62 #include <sys/namei.h>
63 #include <sys/priv.h>
64 #include <sys/proc.h>
65 #include <sys/procctl.h>
66 #include <sys/ptrace.h>
67 #include <sys/reboot.h>
68 #include <sys/resource.h>
69 #include <sys/resourcevar.h>
70 #include <sys/selinfo.h>
71 #include <sys/eventvar.h> /* Must come after sys/selinfo.h */
72 #include <sys/pipe.h> /* Must come after sys/selinfo.h */
73 #include <sys/signal.h>
74 #include <sys/signalvar.h>
75 #include <sys/socket.h>
76 #include <sys/socketvar.h>
77 #include <sys/stat.h>
78 #include <sys/syscall.h>
79 #include <sys/syscallsubr.h>
80 #include <sys/sysctl.h>
81 #include <sys/sysent.h>
82 #include <sys/sysproto.h>
83 #include <sys/systm.h>
84 #include <sys/thr.h>
85 #include <sys/timerfd.h>
86 #include <sys/timex.h>
87 #include <sys/unistd.h>
88 #include <sys/ucontext.h>
89 #include <sys/vnode.h>
90 #include <sys/wait.h>
91 #include <sys/ipc.h>
92 #include <sys/msg.h>
93 #include <sys/sem.h>
94 #include <sys/shm.h>
95 #include <sys/timeffc.h>
96 #ifdef KTRACE
97 #include <sys/ktrace.h>
98 #endif
99
100 #ifdef INET
101 #include <netinet/in.h>
102 #endif
103
104 #include <vm/vm.h>
105 #include <vm/vm_param.h>
106 #include <vm/pmap.h>
107 #include <vm/vm_map.h>
108 #include <vm/vm_object.h>
109 #include <vm/vm_extern.h>
110
111 #include <machine/cpu.h>
112 #include <machine/elf.h>
113 #ifdef __amd64__
114 #include <machine/md_var.h>
115 #endif
116
117 #include <security/audit/audit.h>
118
119 #include <compat/freebsd32/freebsd32_util.h>
120 #include <compat/freebsd32/freebsd32.h>
121 #include <compat/freebsd32/freebsd32_ipc.h>
122 #include <compat/freebsd32/freebsd32_misc.h>
123 #include <compat/freebsd32/freebsd32_signal.h>
124 #include <compat/freebsd32/freebsd32_proto.h>
125
126 int compat_freebsd_32bit = 1;
127
128 static void
register_compat32_feature(void * arg)129 register_compat32_feature(void *arg)
130 {
131 if (!compat_freebsd_32bit)
132 return;
133
134 FEATURE_ADD("compat_freebsd32", "Compatible with 32-bit FreeBSD");
135 FEATURE_ADD("compat_freebsd_32bit",
136 "Compatible with 32-bit FreeBSD (legacy feature name)");
137 }
138 SYSINIT(freebsd32, SI_SUB_EXEC, SI_ORDER_ANY, register_compat32_feature,
139 NULL);
140
141 struct ptrace_io_desc32 {
142 int piod_op;
143 uint32_t piod_offs;
144 uint32_t piod_addr;
145 uint32_t piod_len;
146 };
147
148 struct ptrace_vm_entry32 {
149 int pve_entry;
150 int pve_timestamp;
151 uint32_t pve_start;
152 uint32_t pve_end;
153 uint32_t pve_offset;
154 u_int pve_prot;
155 u_int pve_pathlen;
156 int32_t pve_fileid;
157 u_int pve_fsid;
158 uint32_t pve_path;
159 };
160
161 #ifdef __amd64__
162 CTASSERT(sizeof(struct timeval32) == 8);
163 CTASSERT(sizeof(struct timespec32) == 8);
164 CTASSERT(sizeof(struct itimerval32) == 16);
165 CTASSERT(sizeof(struct bintime32) == 12);
166 #else
167 CTASSERT(sizeof(struct timeval32) == 16);
168 CTASSERT(sizeof(struct timespec32) == 16);
169 CTASSERT(sizeof(struct itimerval32) == 32);
170 CTASSERT(sizeof(struct bintime32) == 16);
171 #endif
172 CTASSERT(sizeof(struct ostatfs32) == 256);
173 #ifdef __amd64__
174 CTASSERT(sizeof(struct rusage32) == 72);
175 #else
176 CTASSERT(sizeof(struct rusage32) == 88);
177 #endif
178 CTASSERT(sizeof(struct sigaltstack32) == 12);
179 #ifdef __amd64__
180 CTASSERT(sizeof(struct kevent32) == 56);
181 #else
182 CTASSERT(sizeof(struct kevent32) == 64);
183 #endif
184 CTASSERT(sizeof(struct iovec32) == 8);
185 CTASSERT(sizeof(struct msghdr32) == 28);
186 #ifdef __amd64__
187 CTASSERT(sizeof(struct stat32) == 208);
188 CTASSERT(sizeof(struct freebsd11_stat32) == 96);
189 #else
190 CTASSERT(sizeof(struct stat32) == 224);
191 CTASSERT(sizeof(struct freebsd11_stat32) == 120);
192 #endif
193 CTASSERT(sizeof(struct sigaction32) == 24);
194
195 static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count);
196 static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count);
197 static int freebsd32_user_clock_nanosleep(struct thread *td, clockid_t clock_id,
198 int flags, const struct timespec32 *ua_rqtp, struct timespec32 *ua_rmtp);
199
200 void
freebsd32_rusage_out(const struct rusage * s,struct rusage32 * s32)201 freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32)
202 {
203
204 TV_CP(*s, *s32, ru_utime);
205 TV_CP(*s, *s32, ru_stime);
206 CP(*s, *s32, ru_maxrss);
207 CP(*s, *s32, ru_ixrss);
208 CP(*s, *s32, ru_idrss);
209 CP(*s, *s32, ru_isrss);
210 CP(*s, *s32, ru_minflt);
211 CP(*s, *s32, ru_majflt);
212 CP(*s, *s32, ru_nswap);
213 CP(*s, *s32, ru_inblock);
214 CP(*s, *s32, ru_oublock);
215 CP(*s, *s32, ru_msgsnd);
216 CP(*s, *s32, ru_msgrcv);
217 CP(*s, *s32, ru_nsignals);
218 CP(*s, *s32, ru_nvcsw);
219 CP(*s, *s32, ru_nivcsw);
220 }
221
222 int
freebsd32_wait4(struct thread * td,struct freebsd32_wait4_args * uap)223 freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap)
224 {
225 int error, status;
226 struct rusage32 ru32;
227 struct rusage ru, *rup;
228
229 if (uap->rusage != NULL)
230 rup = &ru;
231 else
232 rup = NULL;
233 error = kern_wait(td, uap->pid, &status, uap->options, rup);
234 if (error)
235 return (error);
236 if (uap->status != NULL)
237 error = copyout(&status, uap->status, sizeof(status));
238 if (uap->rusage != NULL && error == 0) {
239 freebsd32_rusage_out(&ru, &ru32);
240 error = copyout(&ru32, uap->rusage, sizeof(ru32));
241 }
242 return (error);
243 }
244
245 int
freebsd32_wait6(struct thread * td,struct freebsd32_wait6_args * uap)246 freebsd32_wait6(struct thread *td, struct freebsd32_wait6_args *uap)
247 {
248 struct __wrusage32 wru32;
249 struct __wrusage wru, *wrup;
250 struct __siginfo32 si32;
251 struct __siginfo si, *sip;
252 int error, status;
253
254 if (uap->wrusage != NULL)
255 wrup = &wru;
256 else
257 wrup = NULL;
258 if (uap->info != NULL) {
259 sip = &si;
260 bzero(sip, sizeof(*sip));
261 } else
262 sip = NULL;
263 error = kern_wait6(td, uap->idtype, PAIR32TO64(id_t, uap->id),
264 &status, uap->options, wrup, sip);
265 if (error != 0)
266 return (error);
267 if (uap->status != NULL)
268 error = copyout(&status, uap->status, sizeof(status));
269 if (uap->wrusage != NULL && error == 0) {
270 freebsd32_rusage_out(&wru.wru_self, &wru32.wru_self);
271 freebsd32_rusage_out(&wru.wru_children, &wru32.wru_children);
272 error = copyout(&wru32, uap->wrusage, sizeof(wru32));
273 }
274 if (uap->info != NULL && error == 0) {
275 siginfo_to_siginfo32 (&si, &si32);
276 error = copyout(&si32, uap->info, sizeof(si32));
277 }
278 return (error);
279 }
280
281 #ifdef COMPAT_FREEBSD4
282 static void
copy_statfs(struct statfs * in,struct ostatfs32 * out)283 copy_statfs(struct statfs *in, struct ostatfs32 *out)
284 {
285
286 statfs_scale_blocks(in, INT32_MAX);
287 bzero(out, sizeof(*out));
288 CP(*in, *out, f_bsize);
289 out->f_iosize = MIN(in->f_iosize, INT32_MAX);
290 CP(*in, *out, f_blocks);
291 CP(*in, *out, f_bfree);
292 CP(*in, *out, f_bavail);
293 out->f_files = MIN(in->f_files, INT32_MAX);
294 out->f_ffree = MIN(in->f_ffree, INT32_MAX);
295 CP(*in, *out, f_fsid);
296 CP(*in, *out, f_owner);
297 CP(*in, *out, f_type);
298 CP(*in, *out, f_flags);
299 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX);
300 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX);
301 strlcpy(out->f_fstypename,
302 in->f_fstypename, MFSNAMELEN);
303 strlcpy(out->f_mntonname,
304 in->f_mntonname, min(MNAMELEN, FREEBSD4_OMNAMELEN));
305 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX);
306 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX);
307 strlcpy(out->f_mntfromname,
308 in->f_mntfromname, min(MNAMELEN, FREEBSD4_OMNAMELEN));
309 }
310 #endif
311
312 int
freebsd32_getfsstat(struct thread * td,struct freebsd32_getfsstat_args * uap)313 freebsd32_getfsstat(struct thread *td, struct freebsd32_getfsstat_args *uap)
314 {
315 size_t count;
316 int error;
317
318 if (uap->bufsize < 0 || uap->bufsize > SIZE_MAX)
319 return (EINVAL);
320 error = kern_getfsstat(td, &uap->buf, uap->bufsize, &count,
321 UIO_USERSPACE, uap->mode);
322 if (error == 0)
323 td->td_retval[0] = count;
324 return (error);
325 }
326
327 #ifdef COMPAT_FREEBSD4
328 int
freebsd4_freebsd32_getfsstat(struct thread * td,struct freebsd4_freebsd32_getfsstat_args * uap)329 freebsd4_freebsd32_getfsstat(struct thread *td,
330 struct freebsd4_freebsd32_getfsstat_args *uap)
331 {
332 struct statfs *buf, *sp;
333 struct ostatfs32 stat32;
334 size_t count, size, copycount;
335 int error;
336
337 count = uap->bufsize / sizeof(struct ostatfs32);
338 size = count * sizeof(struct statfs);
339 error = kern_getfsstat(td, &buf, size, &count, UIO_SYSSPACE, uap->mode);
340 if (size > 0) {
341 sp = buf;
342 copycount = count;
343 while (copycount > 0 && error == 0) {
344 copy_statfs(sp, &stat32);
345 error = copyout(&stat32, uap->buf, sizeof(stat32));
346 sp++;
347 uap->buf++;
348 copycount--;
349 }
350 free(buf, M_STATFS);
351 }
352 if (error == 0)
353 td->td_retval[0] = count;
354 return (error);
355 }
356 #endif
357
358 #ifdef COMPAT_FREEBSD11
359 int
freebsd11_freebsd32_getfsstat(struct thread * td,struct freebsd11_freebsd32_getfsstat_args * uap)360 freebsd11_freebsd32_getfsstat(struct thread *td,
361 struct freebsd11_freebsd32_getfsstat_args *uap)
362 {
363 return(kern_freebsd11_getfsstat(td, uap->buf, uap->bufsize,
364 uap->mode));
365 }
366 #endif
367
368 int
freebsd32_sigaltstack(struct thread * td,struct freebsd32_sigaltstack_args * uap)369 freebsd32_sigaltstack(struct thread *td,
370 struct freebsd32_sigaltstack_args *uap)
371 {
372 struct sigaltstack32 s32;
373 struct sigaltstack ss, oss, *ssp;
374 int error;
375
376 if (uap->ss != NULL) {
377 error = copyin(uap->ss, &s32, sizeof(s32));
378 if (error)
379 return (error);
380 PTRIN_CP(s32, ss, ss_sp);
381 CP(s32, ss, ss_size);
382 CP(s32, ss, ss_flags);
383 ssp = &ss;
384 } else
385 ssp = NULL;
386 error = kern_sigaltstack(td, ssp, &oss);
387 if (error == 0 && uap->oss != NULL) {
388 PTROUT_CP(oss, s32, ss_sp);
389 CP(oss, s32, ss_size);
390 CP(oss, s32, ss_flags);
391 error = copyout(&s32, uap->oss, sizeof(s32));
392 }
393 return (error);
394 }
395
396 /*
397 * Custom version of exec_copyin_args() so that we can translate
398 * the pointers.
399 */
400 int
freebsd32_exec_copyin_args(struct image_args * args,const char * fname,enum uio_seg segflg,uint32_t * argv,uint32_t * envv)401 freebsd32_exec_copyin_args(struct image_args *args, const char *fname,
402 enum uio_seg segflg, uint32_t *argv, uint32_t *envv)
403 {
404 char *argp, *envp;
405 uint32_t *p32, arg;
406 int error;
407
408 bzero(args, sizeof(*args));
409 if (argv == NULL)
410 return (EFAULT);
411
412 /*
413 * Allocate demand-paged memory for the file name, argument, and
414 * environment strings.
415 */
416 error = exec_alloc_args(args);
417 if (error != 0)
418 return (error);
419
420 /*
421 * Copy the file name.
422 */
423 error = exec_args_add_fname(args, fname, segflg);
424 if (error != 0)
425 goto err_exit;
426
427 /*
428 * extract arguments first
429 */
430 p32 = argv;
431 for (;;) {
432 error = copyin(p32++, &arg, sizeof(arg));
433 if (error)
434 goto err_exit;
435 if (arg == 0)
436 break;
437 argp = PTRIN(arg);
438 error = exec_args_add_arg(args, argp, UIO_USERSPACE);
439 if (error != 0)
440 goto err_exit;
441 }
442
443 /*
444 * extract environment strings
445 */
446 if (envv) {
447 p32 = envv;
448 for (;;) {
449 error = copyin(p32++, &arg, sizeof(arg));
450 if (error)
451 goto err_exit;
452 if (arg == 0)
453 break;
454 envp = PTRIN(arg);
455 error = exec_args_add_env(args, envp, UIO_USERSPACE);
456 if (error != 0)
457 goto err_exit;
458 }
459 }
460
461 return (0);
462
463 err_exit:
464 exec_free_args(args);
465 return (error);
466 }
467
468 int
freebsd32_execve(struct thread * td,struct freebsd32_execve_args * uap)469 freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap)
470 {
471 struct image_args eargs;
472 struct vmspace *oldvmspace;
473 int error;
474
475 error = pre_execve(td, &oldvmspace);
476 if (error != 0)
477 return (error);
478 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE,
479 uap->argv, uap->envv);
480 if (error == 0)
481 error = kern_execve(td, &eargs, NULL, oldvmspace);
482 post_execve(td, error, oldvmspace);
483 AUDIT_SYSCALL_EXIT(error == EJUSTRETURN ? 0 : error, td);
484 return (error);
485 }
486
487 int
freebsd32_fexecve(struct thread * td,struct freebsd32_fexecve_args * uap)488 freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap)
489 {
490 struct image_args eargs;
491 struct vmspace *oldvmspace;
492 int error;
493
494 error = pre_execve(td, &oldvmspace);
495 if (error != 0)
496 return (error);
497 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE,
498 uap->argv, uap->envv);
499 if (error == 0) {
500 eargs.fd = uap->fd;
501 error = kern_execve(td, &eargs, NULL, oldvmspace);
502 }
503 post_execve(td, error, oldvmspace);
504 AUDIT_SYSCALL_EXIT(error == EJUSTRETURN ? 0 : error, td);
505 return (error);
506 }
507
508 int
freebsd32_mknodat(struct thread * td,struct freebsd32_mknodat_args * uap)509 freebsd32_mknodat(struct thread *td, struct freebsd32_mknodat_args *uap)
510 {
511
512 return (kern_mknodat(td, uap->fd, uap->path, UIO_USERSPACE,
513 uap->mode, PAIR32TO64(dev_t, uap->dev)));
514 }
515
516 int
freebsd32_mprotect(struct thread * td,struct freebsd32_mprotect_args * uap)517 freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap)
518 {
519 int prot;
520
521 prot = uap->prot;
522 #if defined(__amd64__)
523 if (i386_read_exec && (prot & PROT_READ) != 0)
524 prot |= PROT_EXEC;
525 #endif
526 return (kern_mprotect(td, (uintptr_t)PTRIN(uap->addr), uap->len,
527 prot, 0));
528 }
529
530 int
freebsd32_mmap(struct thread * td,struct freebsd32_mmap_args * uap)531 freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap)
532 {
533 int prot;
534
535 prot = uap->prot;
536 #if defined(__amd64__)
537 if (i386_read_exec && (prot & PROT_READ))
538 prot |= PROT_EXEC;
539 #endif
540
541 return (kern_mmap(td, &(struct mmap_req){
542 .mr_hint = (uintptr_t)uap->addr,
543 .mr_len = uap->len,
544 .mr_prot = prot,
545 .mr_flags = uap->flags,
546 .mr_fd = uap->fd,
547 .mr_pos = PAIR32TO64(off_t, uap->pos),
548 }));
549 }
550
551 #ifdef COMPAT_FREEBSD6
552 int
freebsd6_freebsd32_mmap(struct thread * td,struct freebsd6_freebsd32_mmap_args * uap)553 freebsd6_freebsd32_mmap(struct thread *td,
554 struct freebsd6_freebsd32_mmap_args *uap)
555 {
556 int prot;
557
558 prot = uap->prot;
559 #if defined(__amd64__)
560 if (i386_read_exec && (prot & PROT_READ))
561 prot |= PROT_EXEC;
562 #endif
563
564 return (kern_mmap(td, &(struct mmap_req){
565 .mr_hint = (uintptr_t)uap->addr,
566 .mr_len = uap->len,
567 .mr_prot = prot,
568 .mr_flags = uap->flags,
569 .mr_fd = uap->fd,
570 .mr_pos = PAIR32TO64(off_t, uap->pos),
571 }));
572 }
573 #endif
574
575 #ifdef COMPAT_43
576 int
ofreebsd32_mmap(struct thread * td,struct ofreebsd32_mmap_args * uap)577 ofreebsd32_mmap(struct thread *td, struct ofreebsd32_mmap_args *uap)
578 {
579 return (kern_ommap(td, (uintptr_t)uap->addr, uap->len, uap->prot,
580 uap->flags, uap->fd, uap->pos));
581 }
582 #endif
583
584 int
freebsd32_setitimer(struct thread * td,struct freebsd32_setitimer_args * uap)585 freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap)
586 {
587 struct itimerval itv, oitv, *itvp;
588 struct itimerval32 i32;
589 int error;
590
591 if (uap->itv != NULL) {
592 error = copyin(uap->itv, &i32, sizeof(i32));
593 if (error)
594 return (error);
595 TV_CP(i32, itv, it_interval);
596 TV_CP(i32, itv, it_value);
597 itvp = &itv;
598 } else
599 itvp = NULL;
600 error = kern_setitimer(td, uap->which, itvp, &oitv);
601 if (error || uap->oitv == NULL)
602 return (error);
603 TV_CP(oitv, i32, it_interval);
604 TV_CP(oitv, i32, it_value);
605 return (copyout(&i32, uap->oitv, sizeof(i32)));
606 }
607
608 int
freebsd32_getitimer(struct thread * td,struct freebsd32_getitimer_args * uap)609 freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap)
610 {
611 struct itimerval itv;
612 struct itimerval32 i32;
613 int error;
614
615 error = kern_getitimer(td, uap->which, &itv);
616 if (error || uap->itv == NULL)
617 return (error);
618 TV_CP(itv, i32, it_interval);
619 TV_CP(itv, i32, it_value);
620 return (copyout(&i32, uap->itv, sizeof(i32)));
621 }
622
623 int
freebsd32_select(struct thread * td,struct freebsd32_select_args * uap)624 freebsd32_select(struct thread *td, struct freebsd32_select_args *uap)
625 {
626 struct timeval32 tv32;
627 struct timeval tv, *tvp;
628 int error;
629
630 if (uap->tv != NULL) {
631 error = copyin(uap->tv, &tv32, sizeof(tv32));
632 if (error)
633 return (error);
634 CP(tv32, tv, tv_sec);
635 CP(tv32, tv, tv_usec);
636 tvp = &tv;
637 } else
638 tvp = NULL;
639 /*
640 * XXX Do pointers need PTRIN()?
641 */
642 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp,
643 sizeof(int32_t) * 8));
644 }
645
646 int
freebsd32_pselect(struct thread * td,struct freebsd32_pselect_args * uap)647 freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap)
648 {
649 struct timespec32 ts32;
650 struct timespec ts;
651 struct timeval tv, *tvp;
652 sigset_t set, *uset;
653 int error;
654
655 if (uap->ts != NULL) {
656 error = copyin(uap->ts, &ts32, sizeof(ts32));
657 if (error != 0)
658 return (error);
659 CP(ts32, ts, tv_sec);
660 CP(ts32, ts, tv_nsec);
661 TIMESPEC_TO_TIMEVAL(&tv, &ts);
662 tvp = &tv;
663 } else
664 tvp = NULL;
665 if (uap->sm != NULL) {
666 error = copyin(uap->sm, &set, sizeof(set));
667 if (error != 0)
668 return (error);
669 uset = &set;
670 } else
671 uset = NULL;
672 /*
673 * XXX Do pointers need PTRIN()?
674 */
675 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp,
676 uset, sizeof(int32_t) * 8);
677 return (error);
678 }
679
680 /*
681 * Copy 'count' items into the destination list pointed to by uap->eventlist.
682 */
683 static int
freebsd32_kevent_copyout(void * arg,struct kevent * kevp,int count)684 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count)
685 {
686 struct freebsd32_kevent_args *uap;
687 struct kevent32 ks32[KQ_NEVENTS];
688 uint64_t e;
689 int i, j, error;
690
691 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
692 uap = (struct freebsd32_kevent_args *)arg;
693
694 for (i = 0; i < count; i++) {
695 CP(kevp[i], ks32[i], ident);
696 CP(kevp[i], ks32[i], filter);
697 CP(kevp[i], ks32[i], flags);
698 CP(kevp[i], ks32[i], fflags);
699 #if BYTE_ORDER == LITTLE_ENDIAN
700 ks32[i].data1 = kevp[i].data;
701 ks32[i].data2 = kevp[i].data >> 32;
702 #else
703 ks32[i].data1 = kevp[i].data >> 32;
704 ks32[i].data2 = kevp[i].data;
705 #endif
706 PTROUT_CP(kevp[i], ks32[i], udata);
707 for (j = 0; j < nitems(kevp->ext); j++) {
708 e = kevp[i].ext[j];
709 #if BYTE_ORDER == LITTLE_ENDIAN
710 ks32[i].ext64[2 * j] = e;
711 ks32[i].ext64[2 * j + 1] = e >> 32;
712 #else
713 ks32[i].ext64[2 * j] = e >> 32;
714 ks32[i].ext64[2 * j + 1] = e;
715 #endif
716 }
717 }
718 error = copyout(ks32, uap->eventlist, count * sizeof *ks32);
719 if (error == 0)
720 uap->eventlist += count;
721 return (error);
722 }
723
724 /*
725 * Copy 'count' items from the list pointed to by uap->changelist.
726 */
727 static int
freebsd32_kevent_copyin(void * arg,struct kevent * kevp,int count)728 freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count)
729 {
730 struct freebsd32_kevent_args *uap;
731 struct kevent32 ks32[KQ_NEVENTS];
732 uint64_t e;
733 int i, j, error;
734
735 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
736 uap = (struct freebsd32_kevent_args *)arg;
737
738 error = copyin(uap->changelist, ks32, count * sizeof *ks32);
739 if (error)
740 goto done;
741 uap->changelist += count;
742
743 for (i = 0; i < count; i++) {
744 CP(ks32[i], kevp[i], ident);
745 CP(ks32[i], kevp[i], filter);
746 CP(ks32[i], kevp[i], flags);
747 CP(ks32[i], kevp[i], fflags);
748 kevp[i].data = PAIR32TO64(uint64_t, ks32[i].data);
749 PTRIN_CP(ks32[i], kevp[i], udata);
750 for (j = 0; j < nitems(kevp->ext); j++) {
751 #if BYTE_ORDER == LITTLE_ENDIAN
752 e = ks32[i].ext64[2 * j + 1];
753 e <<= 32;
754 e += ks32[i].ext64[2 * j];
755 #else
756 e = ks32[i].ext64[2 * j];
757 e <<= 32;
758 e += ks32[i].ext64[2 * j + 1];
759 #endif
760 kevp[i].ext[j] = e;
761 }
762 }
763 done:
764 return (error);
765 }
766
767 int
freebsd32_kevent(struct thread * td,struct freebsd32_kevent_args * uap)768 freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap)
769 {
770 struct timespec32 ts32;
771 struct timespec ts, *tsp;
772 struct kevent_copyops k_ops = {
773 .arg = uap,
774 .k_copyout = freebsd32_kevent_copyout,
775 .k_copyin = freebsd32_kevent_copyin,
776 };
777 #ifdef KTRACE
778 struct kevent32 *eventlist = uap->eventlist;
779 #endif
780 int error;
781
782 if (uap->timeout) {
783 error = copyin(uap->timeout, &ts32, sizeof(ts32));
784 if (error)
785 return (error);
786 CP(ts32, ts, tv_sec);
787 CP(ts32, ts, tv_nsec);
788 tsp = &ts;
789 } else
790 tsp = NULL;
791 #ifdef KTRACE
792 if (KTRPOINT(td, KTR_STRUCT_ARRAY))
793 ktrstructarray("kevent32", UIO_USERSPACE, uap->changelist,
794 uap->nchanges, sizeof(struct kevent32));
795 #endif
796 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents,
797 &k_ops, tsp);
798 #ifdef KTRACE
799 if (error == 0 && KTRPOINT(td, KTR_STRUCT_ARRAY))
800 ktrstructarray("kevent32", UIO_USERSPACE, eventlist,
801 td->td_retval[0], sizeof(struct kevent32));
802 #endif
803 return (error);
804 }
805
806 #ifdef COMPAT_FREEBSD11
807 static int
freebsd32_kevent11_copyout(void * arg,struct kevent * kevp,int count)808 freebsd32_kevent11_copyout(void *arg, struct kevent *kevp, int count)
809 {
810 struct freebsd11_freebsd32_kevent_args *uap;
811 struct freebsd11_kevent32 ks32[KQ_NEVENTS];
812 int i, error;
813
814 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
815 uap = (struct freebsd11_freebsd32_kevent_args *)arg;
816
817 for (i = 0; i < count; i++) {
818 CP(kevp[i], ks32[i], ident);
819 CP(kevp[i], ks32[i], filter);
820 CP(kevp[i], ks32[i], flags);
821 CP(kevp[i], ks32[i], fflags);
822 CP(kevp[i], ks32[i], data);
823 PTROUT_CP(kevp[i], ks32[i], udata);
824 }
825 error = copyout(ks32, uap->eventlist, count * sizeof *ks32);
826 if (error == 0)
827 uap->eventlist += count;
828 return (error);
829 }
830
831 /*
832 * Copy 'count' items from the list pointed to by uap->changelist.
833 */
834 static int
freebsd32_kevent11_copyin(void * arg,struct kevent * kevp,int count)835 freebsd32_kevent11_copyin(void *arg, struct kevent *kevp, int count)
836 {
837 struct freebsd11_freebsd32_kevent_args *uap;
838 struct freebsd11_kevent32 ks32[KQ_NEVENTS];
839 int i, j, error;
840
841 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count));
842 uap = (struct freebsd11_freebsd32_kevent_args *)arg;
843
844 error = copyin(uap->changelist, ks32, count * sizeof *ks32);
845 if (error)
846 goto done;
847 uap->changelist += count;
848
849 for (i = 0; i < count; i++) {
850 CP(ks32[i], kevp[i], ident);
851 CP(ks32[i], kevp[i], filter);
852 CP(ks32[i], kevp[i], flags);
853 CP(ks32[i], kevp[i], fflags);
854 CP(ks32[i], kevp[i], data);
855 PTRIN_CP(ks32[i], kevp[i], udata);
856 for (j = 0; j < nitems(kevp->ext); j++)
857 kevp[i].ext[j] = 0;
858 }
859 done:
860 return (error);
861 }
862
863 int
freebsd11_freebsd32_kevent(struct thread * td,struct freebsd11_freebsd32_kevent_args * uap)864 freebsd11_freebsd32_kevent(struct thread *td,
865 struct freebsd11_freebsd32_kevent_args *uap)
866 {
867 struct timespec32 ts32;
868 struct timespec ts, *tsp;
869 struct kevent_copyops k_ops = {
870 .arg = uap,
871 .k_copyout = freebsd32_kevent11_copyout,
872 .k_copyin = freebsd32_kevent11_copyin,
873 };
874 #ifdef KTRACE
875 struct freebsd11_kevent32 *eventlist = uap->eventlist;
876 #endif
877 int error;
878
879 if (uap->timeout) {
880 error = copyin(uap->timeout, &ts32, sizeof(ts32));
881 if (error)
882 return (error);
883 CP(ts32, ts, tv_sec);
884 CP(ts32, ts, tv_nsec);
885 tsp = &ts;
886 } else
887 tsp = NULL;
888 #ifdef KTRACE
889 if (KTRPOINT(td, KTR_STRUCT_ARRAY))
890 ktrstructarray("freebsd11_kevent32", UIO_USERSPACE,
891 uap->changelist, uap->nchanges,
892 sizeof(struct freebsd11_kevent32));
893 #endif
894 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents,
895 &k_ops, tsp);
896 #ifdef KTRACE
897 if (error == 0 && KTRPOINT(td, KTR_STRUCT_ARRAY))
898 ktrstructarray("freebsd11_kevent32", UIO_USERSPACE,
899 eventlist, td->td_retval[0],
900 sizeof(struct freebsd11_kevent32));
901 #endif
902 return (error);
903 }
904 #endif
905
906 int
freebsd32_gettimeofday(struct thread * td,struct freebsd32_gettimeofday_args * uap)907 freebsd32_gettimeofday(struct thread *td,
908 struct freebsd32_gettimeofday_args *uap)
909 {
910 struct timeval atv;
911 struct timeval32 atv32;
912 struct timezone rtz;
913 int error = 0;
914
915 if (uap->tp) {
916 microtime(&atv);
917 CP(atv, atv32, tv_sec);
918 CP(atv, atv32, tv_usec);
919 error = copyout(&atv32, uap->tp, sizeof (atv32));
920 }
921 if (error == 0 && uap->tzp != NULL) {
922 rtz.tz_minuteswest = 0;
923 rtz.tz_dsttime = 0;
924 error = copyout(&rtz, uap->tzp, sizeof (rtz));
925 }
926 return (error);
927 }
928
929 int
freebsd32_getrusage(struct thread * td,struct freebsd32_getrusage_args * uap)930 freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap)
931 {
932 struct rusage32 s32;
933 struct rusage s;
934 int error;
935
936 error = kern_getrusage(td, uap->who, &s);
937 if (error == 0) {
938 freebsd32_rusage_out(&s, &s32);
939 error = copyout(&s32, uap->rusage, sizeof(s32));
940 }
941 return (error);
942 }
943
944 static void
ptrace_lwpinfo_to32(const struct ptrace_lwpinfo * pl,struct ptrace_lwpinfo32 * pl32)945 ptrace_lwpinfo_to32(const struct ptrace_lwpinfo *pl,
946 struct ptrace_lwpinfo32 *pl32)
947 {
948
949 bzero(pl32, sizeof(*pl32));
950 pl32->pl_lwpid = pl->pl_lwpid;
951 pl32->pl_event = pl->pl_event;
952 pl32->pl_flags = pl->pl_flags;
953 pl32->pl_sigmask = pl->pl_sigmask;
954 pl32->pl_siglist = pl->pl_siglist;
955 siginfo_to_siginfo32(&pl->pl_siginfo, &pl32->pl_siginfo);
956 strcpy(pl32->pl_tdname, pl->pl_tdname);
957 pl32->pl_child_pid = pl->pl_child_pid;
958 pl32->pl_syscall_code = pl->pl_syscall_code;
959 pl32->pl_syscall_narg = pl->pl_syscall_narg;
960 }
961
962 static void
ptrace_sc_ret_to32(const struct ptrace_sc_ret * psr,struct ptrace_sc_ret32 * psr32)963 ptrace_sc_ret_to32(const struct ptrace_sc_ret *psr,
964 struct ptrace_sc_ret32 *psr32)
965 {
966
967 bzero(psr32, sizeof(*psr32));
968 psr32->sr_retval[0] = psr->sr_retval[0];
969 psr32->sr_retval[1] = psr->sr_retval[1];
970 psr32->sr_error = psr->sr_error;
971 }
972
973 int
freebsd32_ptrace(struct thread * td,struct freebsd32_ptrace_args * uap)974 freebsd32_ptrace(struct thread *td, struct freebsd32_ptrace_args *uap)
975 {
976 union {
977 struct ptrace_io_desc piod;
978 struct ptrace_lwpinfo pl;
979 struct ptrace_vm_entry pve;
980 struct ptrace_coredump pc;
981 struct ptrace_sc_remote sr;
982 struct dbreg32 dbreg;
983 struct fpreg32 fpreg;
984 struct reg32 reg;
985 struct iovec vec;
986 register_t args[nitems(td->td_sa.args)];
987 struct ptrace_sc_ret psr;
988 int ptevents;
989 } r;
990 union {
991 struct ptrace_io_desc32 piod;
992 struct ptrace_lwpinfo32 pl;
993 struct ptrace_vm_entry32 pve;
994 struct ptrace_coredump32 pc;
995 struct ptrace_sc_remote32 sr;
996 uint32_t args[nitems(td->td_sa.args)];
997 struct ptrace_sc_ret32 psr;
998 struct iovec32 vec;
999 } r32;
1000 syscallarg_t pscr_args[nitems(td->td_sa.args)];
1001 u_int pscr_args32[nitems(td->td_sa.args)];
1002 void *addr;
1003 int data, error, i;
1004
1005 if (!allow_ptrace)
1006 return (ENOSYS);
1007 error = 0;
1008
1009 AUDIT_ARG_PID(uap->pid);
1010 AUDIT_ARG_CMD(uap->req);
1011 AUDIT_ARG_VALUE(uap->data);
1012 addr = &r;
1013 data = uap->data;
1014 switch (uap->req) {
1015 case PT_GET_EVENT_MASK:
1016 case PT_GET_SC_ARGS:
1017 case PT_GET_SC_RET:
1018 break;
1019 case PT_LWPINFO:
1020 if (uap->data > sizeof(r32.pl))
1021 return (EINVAL);
1022
1023 /*
1024 * Pass size of native structure in 'data'. Truncate
1025 * if necessary to avoid siginfo.
1026 */
1027 data = sizeof(r.pl);
1028 if (uap->data < offsetof(struct ptrace_lwpinfo32, pl_siginfo) +
1029 sizeof(struct __siginfo32))
1030 data = offsetof(struct ptrace_lwpinfo, pl_siginfo);
1031 break;
1032 case PT_GETREGS:
1033 bzero(&r.reg, sizeof(r.reg));
1034 break;
1035 case PT_GETFPREGS:
1036 bzero(&r.fpreg, sizeof(r.fpreg));
1037 break;
1038 case PT_GETDBREGS:
1039 bzero(&r.dbreg, sizeof(r.dbreg));
1040 break;
1041 case PT_SETREGS:
1042 error = copyin(uap->addr, &r.reg, sizeof(r.reg));
1043 break;
1044 case PT_SETFPREGS:
1045 error = copyin(uap->addr, &r.fpreg, sizeof(r.fpreg));
1046 break;
1047 case PT_SETDBREGS:
1048 error = copyin(uap->addr, &r.dbreg, sizeof(r.dbreg));
1049 break;
1050 case PT_GETREGSET:
1051 case PT_SETREGSET:
1052 error = copyin(uap->addr, &r32.vec, sizeof(r32.vec));
1053 if (error != 0)
1054 break;
1055
1056 r.vec.iov_len = r32.vec.iov_len;
1057 r.vec.iov_base = PTRIN(r32.vec.iov_base);
1058 break;
1059 case PT_SET_EVENT_MASK:
1060 if (uap->data != sizeof(r.ptevents))
1061 error = EINVAL;
1062 else
1063 error = copyin(uap->addr, &r.ptevents, uap->data);
1064 break;
1065 case PT_IO:
1066 error = copyin(uap->addr, &r32.piod, sizeof(r32.piod));
1067 if (error)
1068 break;
1069 CP(r32.piod, r.piod, piod_op);
1070 PTRIN_CP(r32.piod, r.piod, piod_offs);
1071 PTRIN_CP(r32.piod, r.piod, piod_addr);
1072 CP(r32.piod, r.piod, piod_len);
1073 break;
1074 case PT_VM_ENTRY:
1075 error = copyin(uap->addr, &r32.pve, sizeof(r32.pve));
1076 if (error)
1077 break;
1078
1079 CP(r32.pve, r.pve, pve_entry);
1080 CP(r32.pve, r.pve, pve_timestamp);
1081 CP(r32.pve, r.pve, pve_start);
1082 CP(r32.pve, r.pve, pve_end);
1083 CP(r32.pve, r.pve, pve_offset);
1084 CP(r32.pve, r.pve, pve_prot);
1085 CP(r32.pve, r.pve, pve_pathlen);
1086 CP(r32.pve, r.pve, pve_fileid);
1087 CP(r32.pve, r.pve, pve_fsid);
1088 PTRIN_CP(r32.pve, r.pve, pve_path);
1089 break;
1090 case PT_COREDUMP:
1091 if (uap->data != sizeof(r32.pc))
1092 error = EINVAL;
1093 else
1094 error = copyin(uap->addr, &r32.pc, uap->data);
1095 CP(r32.pc, r.pc, pc_fd);
1096 CP(r32.pc, r.pc, pc_flags);
1097 r.pc.pc_limit = PAIR32TO64(off_t, r32.pc.pc_limit);
1098 data = sizeof(r.pc);
1099 break;
1100 case PT_SC_REMOTE:
1101 if (uap->data != sizeof(r32.sr)) {
1102 error = EINVAL;
1103 break;
1104 }
1105 error = copyin(uap->addr, &r32.sr, uap->data);
1106 if (error != 0)
1107 break;
1108 CP(r32.sr, r.sr, pscr_syscall);
1109 CP(r32.sr, r.sr, pscr_nargs);
1110 if (r.sr.pscr_nargs > nitems(td->td_sa.args)) {
1111 error = EINVAL;
1112 break;
1113 }
1114 error = copyin(PTRIN(r32.sr.pscr_args), pscr_args32,
1115 sizeof(u_int) * r32.sr.pscr_nargs);
1116 if (error != 0)
1117 break;
1118 for (i = 0; i < r32.sr.pscr_nargs; i++)
1119 pscr_args[i] = pscr_args32[i];
1120 r.sr.pscr_args = pscr_args;
1121 break;
1122 default:
1123 addr = uap->addr;
1124 break;
1125 }
1126 if (error)
1127 return (error);
1128
1129 error = kern_ptrace(td, uap->req, uap->pid, addr, data);
1130 if (error)
1131 return (error);
1132
1133 switch (uap->req) {
1134 case PT_VM_ENTRY:
1135 CP(r.pve, r32.pve, pve_entry);
1136 CP(r.pve, r32.pve, pve_timestamp);
1137 CP(r.pve, r32.pve, pve_start);
1138 CP(r.pve, r32.pve, pve_end);
1139 CP(r.pve, r32.pve, pve_offset);
1140 CP(r.pve, r32.pve, pve_prot);
1141 CP(r.pve, r32.pve, pve_pathlen);
1142 CP(r.pve, r32.pve, pve_fileid);
1143 CP(r.pve, r32.pve, pve_fsid);
1144 error = copyout(&r32.pve, uap->addr, sizeof(r32.pve));
1145 break;
1146 case PT_IO:
1147 CP(r.piod, r32.piod, piod_len);
1148 error = copyout(&r32.piod, uap->addr, sizeof(r32.piod));
1149 break;
1150 case PT_GETREGS:
1151 error = copyout(&r.reg, uap->addr, sizeof(r.reg));
1152 break;
1153 case PT_GETFPREGS:
1154 error = copyout(&r.fpreg, uap->addr, sizeof(r.fpreg));
1155 break;
1156 case PT_GETDBREGS:
1157 error = copyout(&r.dbreg, uap->addr, sizeof(r.dbreg));
1158 break;
1159 case PT_GETREGSET:
1160 r32.vec.iov_len = r.vec.iov_len;
1161 error = copyout(&r32.vec, uap->addr, sizeof(r32.vec));
1162 break;
1163 case PT_GET_EVENT_MASK:
1164 /* NB: The size in uap->data is validated in kern_ptrace(). */
1165 error = copyout(&r.ptevents, uap->addr, uap->data);
1166 break;
1167 case PT_LWPINFO:
1168 ptrace_lwpinfo_to32(&r.pl, &r32.pl);
1169 error = copyout(&r32.pl, uap->addr, uap->data);
1170 break;
1171 case PT_GET_SC_ARGS:
1172 for (i = 0; i < nitems(r.args); i++)
1173 r32.args[i] = (uint32_t)r.args[i];
1174 error = copyout(r32.args, uap->addr, MIN(uap->data,
1175 sizeof(r32.args)));
1176 break;
1177 case PT_GET_SC_RET:
1178 ptrace_sc_ret_to32(&r.psr, &r32.psr);
1179 error = copyout(&r32.psr, uap->addr, MIN(uap->data,
1180 sizeof(r32.psr)));
1181 break;
1182 case PT_SC_REMOTE:
1183 ptrace_sc_ret_to32(&r.sr.pscr_ret, &r32.sr.pscr_ret);
1184 error = copyout(&r32.sr.pscr_ret, uap->addr +
1185 offsetof(struct ptrace_sc_remote32, pscr_ret),
1186 sizeof(r32.psr));
1187 break;
1188 }
1189
1190 return (error);
1191 }
1192
1193 int
freebsd32_copyinuio(const struct iovec32 * iovp,u_int iovcnt,struct uio ** uiop)1194 freebsd32_copyinuio(const struct iovec32 *iovp, u_int iovcnt, struct uio **uiop)
1195 {
1196 struct iovec32 iov32;
1197 struct iovec *iov;
1198 struct uio *uio;
1199 int error, i;
1200
1201 *uiop = NULL;
1202 if (iovcnt > UIO_MAXIOV)
1203 return (EINVAL);
1204 uio = allocuio(iovcnt);
1205 iov = uio->uio_iov;
1206 for (i = 0; i < iovcnt; i++) {
1207 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32));
1208 if (error) {
1209 freeuio(uio);
1210 return (error);
1211 }
1212 iov[i].iov_base = PTRIN(iov32.iov_base);
1213 iov[i].iov_len = iov32.iov_len;
1214 }
1215 uio->uio_iovcnt = iovcnt;
1216 uio->uio_segflg = UIO_USERSPACE;
1217 uio->uio_offset = -1;
1218 uio->uio_resid = 0;
1219 for (i = 0; i < iovcnt; i++) {
1220 if (iov->iov_len > INT_MAX - uio->uio_resid) {
1221 freeuio(uio);
1222 return (EINVAL);
1223 }
1224 uio->uio_resid += iov->iov_len;
1225 iov++;
1226 }
1227 *uiop = uio;
1228 return (0);
1229 }
1230
1231 int
freebsd32_readv(struct thread * td,struct freebsd32_readv_args * uap)1232 freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap)
1233 {
1234 struct uio *auio;
1235 int error;
1236
1237 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1238 if (error)
1239 return (error);
1240 error = kern_readv(td, uap->fd, auio);
1241 freeuio(auio);
1242 return (error);
1243 }
1244
1245 int
freebsd32_writev(struct thread * td,struct freebsd32_writev_args * uap)1246 freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap)
1247 {
1248 struct uio *auio;
1249 int error;
1250
1251 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1252 if (error)
1253 return (error);
1254 error = kern_writev(td, uap->fd, auio);
1255 freeuio(auio);
1256 return (error);
1257 }
1258
1259 int
freebsd32_preadv(struct thread * td,struct freebsd32_preadv_args * uap)1260 freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap)
1261 {
1262 struct uio *auio;
1263 int error;
1264
1265 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1266 if (error)
1267 return (error);
1268 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset));
1269 freeuio(auio);
1270 return (error);
1271 }
1272
1273 int
freebsd32_pwritev(struct thread * td,struct freebsd32_pwritev_args * uap)1274 freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap)
1275 {
1276 struct uio *auio;
1277 int error;
1278
1279 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
1280 if (error)
1281 return (error);
1282 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset));
1283 freeuio(auio);
1284 return (error);
1285 }
1286
1287 int
freebsd32_copyiniov(struct iovec32 * iovp32,u_int iovcnt,struct iovec ** iovp,int error)1288 freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp,
1289 int error)
1290 {
1291 struct iovec32 iov32;
1292 struct iovec *iov;
1293 u_int iovlen;
1294 int i;
1295
1296 *iovp = NULL;
1297 if (iovcnt > UIO_MAXIOV)
1298 return (error);
1299 iovlen = iovcnt * sizeof(struct iovec);
1300 iov = malloc(iovlen, M_IOV, M_WAITOK);
1301 for (i = 0; i < iovcnt; i++) {
1302 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32));
1303 if (error) {
1304 free(iov, M_IOV);
1305 return (error);
1306 }
1307 iov[i].iov_base = PTRIN(iov32.iov_base);
1308 iov[i].iov_len = iov32.iov_len;
1309 }
1310 *iovp = iov;
1311 return (0);
1312 }
1313
1314 static int
freebsd32_copyinmsghdr(const struct msghdr32 * msg32,struct msghdr * msg)1315 freebsd32_copyinmsghdr(const struct msghdr32 *msg32, struct msghdr *msg)
1316 {
1317 struct msghdr32 m32;
1318 int error;
1319
1320 error = copyin(msg32, &m32, sizeof(m32));
1321 if (error)
1322 return (error);
1323 msg->msg_name = PTRIN(m32.msg_name);
1324 msg->msg_namelen = m32.msg_namelen;
1325 msg->msg_iov = PTRIN(m32.msg_iov);
1326 msg->msg_iovlen = m32.msg_iovlen;
1327 msg->msg_control = PTRIN(m32.msg_control);
1328 msg->msg_controllen = m32.msg_controllen;
1329 msg->msg_flags = m32.msg_flags;
1330 return (0);
1331 }
1332
1333 static int
freebsd32_copyoutmsghdr(struct msghdr * msg,struct msghdr32 * msg32)1334 freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32)
1335 {
1336 struct msghdr32 m32;
1337 int error;
1338
1339 m32.msg_name = PTROUT(msg->msg_name);
1340 m32.msg_namelen = msg->msg_namelen;
1341 m32.msg_iov = PTROUT(msg->msg_iov);
1342 m32.msg_iovlen = msg->msg_iovlen;
1343 m32.msg_control = PTROUT(msg->msg_control);
1344 m32.msg_controllen = msg->msg_controllen;
1345 m32.msg_flags = msg->msg_flags;
1346 error = copyout(&m32, msg32, sizeof(m32));
1347 return (error);
1348 }
1349
1350 #define FREEBSD32_ALIGNBYTES (sizeof(int) - 1)
1351 #define FREEBSD32_ALIGN(p) \
1352 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES)
1353 #define FREEBSD32_CMSG_SPACE(l) \
1354 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l))
1355
1356 #define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \
1357 FREEBSD32_ALIGN(sizeof(struct cmsghdr)))
1358
1359 static size_t
freebsd32_cmsg_convert(const struct cmsghdr * cm,void * data,socklen_t datalen)1360 freebsd32_cmsg_convert(const struct cmsghdr *cm, void *data, socklen_t datalen)
1361 {
1362 size_t copylen;
1363 union {
1364 struct timespec32 ts;
1365 struct timeval32 tv;
1366 struct bintime32 bt;
1367 } tmp32;
1368
1369 union {
1370 struct timespec ts;
1371 struct timeval tv;
1372 struct bintime bt;
1373 } *in;
1374
1375 in = data;
1376 copylen = 0;
1377 switch (cm->cmsg_level) {
1378 case SOL_SOCKET:
1379 switch (cm->cmsg_type) {
1380 case SCM_TIMESTAMP:
1381 TV_CP(*in, tmp32, tv);
1382 copylen = sizeof(tmp32.tv);
1383 break;
1384
1385 case SCM_BINTIME:
1386 BT_CP(*in, tmp32, bt);
1387 copylen = sizeof(tmp32.bt);
1388 break;
1389
1390 case SCM_REALTIME:
1391 case SCM_MONOTONIC:
1392 TS_CP(*in, tmp32, ts);
1393 copylen = sizeof(tmp32.ts);
1394 break;
1395
1396 default:
1397 break;
1398 }
1399
1400 default:
1401 break;
1402 }
1403
1404 if (copylen == 0)
1405 return (datalen);
1406
1407 KASSERT((datalen >= copylen), ("corrupted cmsghdr"));
1408
1409 bcopy(&tmp32, data, copylen);
1410 return (copylen);
1411 }
1412
1413 static int
freebsd32_copy_msg_out(struct msghdr * msg,struct mbuf * control)1414 freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control)
1415 {
1416 struct cmsghdr *cm;
1417 void *data;
1418 socklen_t clen, datalen, datalen_out, oldclen;
1419 int error;
1420 caddr_t ctlbuf;
1421 int len, copylen;
1422 struct mbuf *m;
1423 error = 0;
1424
1425 len = msg->msg_controllen;
1426 msg->msg_controllen = 0;
1427
1428 ctlbuf = msg->msg_control;
1429 for (m = control; m != NULL && len > 0; m = m->m_next) {
1430 cm = mtod(m, struct cmsghdr *);
1431 clen = m->m_len;
1432 while (cm != NULL) {
1433 if (sizeof(struct cmsghdr) > clen ||
1434 cm->cmsg_len > clen) {
1435 error = EINVAL;
1436 break;
1437 }
1438
1439 data = CMSG_DATA(cm);
1440 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data;
1441 datalen_out = freebsd32_cmsg_convert(cm, data, datalen);
1442
1443 /*
1444 * Copy out the message header. Preserve the native
1445 * message size in case we need to inspect the message
1446 * contents later.
1447 */
1448 copylen = sizeof(struct cmsghdr);
1449 if (len < copylen) {
1450 msg->msg_flags |= MSG_CTRUNC;
1451 m_dispose_extcontrolm(m);
1452 goto exit;
1453 }
1454 oldclen = cm->cmsg_len;
1455 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) +
1456 datalen_out;
1457 error = copyout(cm, ctlbuf, copylen);
1458 cm->cmsg_len = oldclen;
1459 if (error != 0)
1460 goto exit;
1461
1462 ctlbuf += FREEBSD32_ALIGN(copylen);
1463 len -= FREEBSD32_ALIGN(copylen);
1464
1465 copylen = datalen_out;
1466 if (len < copylen) {
1467 msg->msg_flags |= MSG_CTRUNC;
1468 m_dispose_extcontrolm(m);
1469 break;
1470 }
1471
1472 /* Copy out the message data. */
1473 error = copyout(data, ctlbuf, copylen);
1474 if (error)
1475 goto exit;
1476
1477 ctlbuf += FREEBSD32_ALIGN(copylen);
1478 len -= FREEBSD32_ALIGN(copylen);
1479
1480 if (CMSG_SPACE(datalen) < clen) {
1481 clen -= CMSG_SPACE(datalen);
1482 cm = (struct cmsghdr *)
1483 ((caddr_t)cm + CMSG_SPACE(datalen));
1484 } else {
1485 clen = 0;
1486 cm = NULL;
1487 }
1488
1489 msg->msg_controllen +=
1490 FREEBSD32_CMSG_SPACE(datalen_out);
1491 }
1492 }
1493 if (len == 0 && m != NULL) {
1494 msg->msg_flags |= MSG_CTRUNC;
1495 m_dispose_extcontrolm(m);
1496 }
1497
1498 exit:
1499 return (error);
1500 }
1501
1502 int
freebsd32_recvmsg(struct thread * td,struct freebsd32_recvmsg_args * uap)1503 freebsd32_recvmsg(struct thread *td, struct freebsd32_recvmsg_args *uap)
1504 {
1505 struct msghdr msg;
1506 struct iovec *uiov, *iov;
1507 struct mbuf *control = NULL;
1508 struct mbuf **controlp;
1509 int error;
1510
1511 error = freebsd32_copyinmsghdr(uap->msg, &msg);
1512 if (error)
1513 return (error);
1514 error = freebsd32_copyiniov((void *)msg.msg_iov, msg.msg_iovlen, &iov,
1515 EMSGSIZE);
1516 if (error)
1517 return (error);
1518 msg.msg_flags = uap->flags;
1519 uiov = msg.msg_iov;
1520 msg.msg_iov = iov;
1521
1522 controlp = (msg.msg_control != NULL) ? &control : NULL;
1523 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp);
1524 if (error == 0) {
1525 msg.msg_iov = uiov;
1526
1527 if (control != NULL)
1528 error = freebsd32_copy_msg_out(&msg, control);
1529 else
1530 msg.msg_controllen = 0;
1531
1532 if (error == 0)
1533 error = freebsd32_copyoutmsghdr(&msg, uap->msg);
1534 }
1535 free(iov, M_IOV);
1536
1537 if (control != NULL) {
1538 if (error != 0)
1539 m_dispose_extcontrolm(control);
1540 m_freem(control);
1541 }
1542
1543 return (error);
1544 }
1545
1546 #ifdef COMPAT_43
1547 int
ofreebsd32_recvmsg(struct thread * td,struct ofreebsd32_recvmsg_args * uap)1548 ofreebsd32_recvmsg(struct thread *td, struct ofreebsd32_recvmsg_args *uap)
1549 {
1550 return (ENOSYS);
1551 }
1552 #endif
1553
1554 /*
1555 * Copy-in the array of control messages constructed using alignment
1556 * and padding suitable for a 32-bit environment and construct an
1557 * mbuf using alignment and padding suitable for a 64-bit kernel.
1558 * The alignment and padding are defined indirectly by CMSG_DATA(),
1559 * CMSG_SPACE() and CMSG_LEN().
1560 */
1561 static int
freebsd32_copyin_control(struct mbuf ** mp,caddr_t buf,u_int buflen)1562 freebsd32_copyin_control(struct mbuf **mp, caddr_t buf, u_int buflen)
1563 {
1564 struct cmsghdr *cm;
1565 struct mbuf *m;
1566 void *in, *in1, *md;
1567 u_int msglen, outlen;
1568 int error;
1569
1570 /* Enforce the size limit of the native implementation. */
1571 if (buflen > MCLBYTES)
1572 return (EINVAL);
1573
1574 in = malloc(buflen, M_TEMP, M_WAITOK);
1575 error = copyin(buf, in, buflen);
1576 if (error != 0)
1577 goto out;
1578
1579 /*
1580 * Make a pass over the input buffer to determine the amount of space
1581 * required for 64 bit-aligned copies of the control messages.
1582 */
1583 in1 = in;
1584 outlen = 0;
1585 while (buflen > 0) {
1586 if (buflen < sizeof(*cm)) {
1587 error = EINVAL;
1588 break;
1589 }
1590 cm = (struct cmsghdr *)in1;
1591 if (cm->cmsg_len < FREEBSD32_ALIGN(sizeof(*cm)) ||
1592 cm->cmsg_len > buflen) {
1593 error = EINVAL;
1594 break;
1595 }
1596 msglen = FREEBSD32_ALIGN(cm->cmsg_len);
1597 if (msglen < cm->cmsg_len) {
1598 error = EINVAL;
1599 break;
1600 }
1601 /* The native ABI permits the final padding to be omitted. */
1602 if (msglen > buflen)
1603 msglen = buflen;
1604 buflen -= msglen;
1605
1606 in1 = (char *)in1 + msglen;
1607 outlen += CMSG_ALIGN(sizeof(*cm)) +
1608 CMSG_ALIGN(msglen - FREEBSD32_ALIGN(sizeof(*cm)));
1609 }
1610 if (error != 0)
1611 goto out;
1612
1613 /*
1614 * Allocate up to MJUMPAGESIZE space for the re-aligned and
1615 * re-padded control messages. This allows a full MCLBYTES of
1616 * 32-bit sized and aligned messages to fit and avoids an ABI
1617 * mismatch with the native implementation.
1618 */
1619 m = m_get2(outlen, M_WAITOK, MT_CONTROL, 0);
1620 if (m == NULL) {
1621 error = EINVAL;
1622 goto out;
1623 }
1624 m->m_len = outlen;
1625 md = mtod(m, void *);
1626
1627 /*
1628 * Make a second pass over input messages, copying them into the output
1629 * buffer.
1630 */
1631 in1 = in;
1632 while (outlen > 0) {
1633 /* Copy the message header and align the length field. */
1634 cm = md;
1635 memcpy(cm, in1, sizeof(*cm));
1636 msglen = cm->cmsg_len - FREEBSD32_ALIGN(sizeof(*cm));
1637 cm->cmsg_len = CMSG_ALIGN(sizeof(*cm)) + msglen;
1638
1639 /* Copy the message body. */
1640 in1 = (char *)in1 + FREEBSD32_ALIGN(sizeof(*cm));
1641 md = (char *)md + CMSG_ALIGN(sizeof(*cm));
1642 memcpy(md, in1, msglen);
1643 in1 = (char *)in1 + FREEBSD32_ALIGN(msglen);
1644 md = (char *)md + CMSG_ALIGN(msglen);
1645 KASSERT(outlen >= CMSG_ALIGN(sizeof(*cm)) + CMSG_ALIGN(msglen),
1646 ("outlen %u underflow, msglen %u", outlen, msglen));
1647 outlen -= CMSG_ALIGN(sizeof(*cm)) + CMSG_ALIGN(msglen);
1648 }
1649
1650 *mp = m;
1651 out:
1652 free(in, M_TEMP);
1653 return (error);
1654 }
1655
1656 int
freebsd32_sendmsg(struct thread * td,struct freebsd32_sendmsg_args * uap)1657 freebsd32_sendmsg(struct thread *td, struct freebsd32_sendmsg_args *uap)
1658 {
1659 struct msghdr msg;
1660 struct iovec *iov;
1661 struct mbuf *control = NULL;
1662 struct sockaddr *to = NULL;
1663 int error;
1664
1665 error = freebsd32_copyinmsghdr(uap->msg, &msg);
1666 if (error)
1667 return (error);
1668 error = freebsd32_copyiniov((void *)msg.msg_iov, msg.msg_iovlen, &iov,
1669 EMSGSIZE);
1670 if (error)
1671 return (error);
1672 msg.msg_iov = iov;
1673 if (msg.msg_name != NULL) {
1674 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen);
1675 if (error) {
1676 to = NULL;
1677 goto out;
1678 }
1679 msg.msg_name = to;
1680 }
1681
1682 if (msg.msg_control) {
1683 if (msg.msg_controllen < sizeof(struct cmsghdr)) {
1684 error = EINVAL;
1685 goto out;
1686 }
1687
1688 error = freebsd32_copyin_control(&control, msg.msg_control,
1689 msg.msg_controllen);
1690 if (error)
1691 goto out;
1692
1693 msg.msg_control = NULL;
1694 msg.msg_controllen = 0;
1695 }
1696
1697 error = kern_sendit(td, uap->s, &msg, uap->flags, control,
1698 UIO_USERSPACE);
1699
1700 out:
1701 free(iov, M_IOV);
1702 if (to)
1703 free(to, M_SONAME);
1704 return (error);
1705 }
1706
1707 #ifdef COMPAT_43
1708 int
ofreebsd32_sendmsg(struct thread * td,struct ofreebsd32_sendmsg_args * uap)1709 ofreebsd32_sendmsg(struct thread *td, struct ofreebsd32_sendmsg_args *uap)
1710 {
1711 return (ENOSYS);
1712 }
1713 #endif
1714
1715
1716 int
freebsd32_settimeofday(struct thread * td,struct freebsd32_settimeofday_args * uap)1717 freebsd32_settimeofday(struct thread *td,
1718 struct freebsd32_settimeofday_args *uap)
1719 {
1720 struct timeval32 tv32;
1721 struct timeval tv, *tvp;
1722 struct timezone tz, *tzp;
1723 int error;
1724
1725 if (uap->tv) {
1726 error = copyin(uap->tv, &tv32, sizeof(tv32));
1727 if (error)
1728 return (error);
1729 CP(tv32, tv, tv_sec);
1730 CP(tv32, tv, tv_usec);
1731 tvp = &tv;
1732 } else
1733 tvp = NULL;
1734 if (uap->tzp) {
1735 error = copyin(uap->tzp, &tz, sizeof(tz));
1736 if (error)
1737 return (error);
1738 tzp = &tz;
1739 } else
1740 tzp = NULL;
1741 return (kern_settimeofday(td, tvp, tzp));
1742 }
1743
1744 int
freebsd32_utimes(struct thread * td,struct freebsd32_utimes_args * uap)1745 freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap)
1746 {
1747 struct timeval32 s32[2];
1748 struct timeval s[2], *sp;
1749 int error;
1750
1751 if (uap->tptr != NULL) {
1752 error = copyin(uap->tptr, s32, sizeof(s32));
1753 if (error)
1754 return (error);
1755 CP(s32[0], s[0], tv_sec);
1756 CP(s32[0], s[0], tv_usec);
1757 CP(s32[1], s[1], tv_sec);
1758 CP(s32[1], s[1], tv_usec);
1759 sp = s;
1760 } else
1761 sp = NULL;
1762 return (kern_utimesat(td, AT_FDCWD, uap->path, UIO_USERSPACE,
1763 sp, UIO_SYSSPACE));
1764 }
1765
1766 int
freebsd32_lutimes(struct thread * td,struct freebsd32_lutimes_args * uap)1767 freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap)
1768 {
1769 struct timeval32 s32[2];
1770 struct timeval s[2], *sp;
1771 int error;
1772
1773 if (uap->tptr != NULL) {
1774 error = copyin(uap->tptr, s32, sizeof(s32));
1775 if (error)
1776 return (error);
1777 CP(s32[0], s[0], tv_sec);
1778 CP(s32[0], s[0], tv_usec);
1779 CP(s32[1], s[1], tv_sec);
1780 CP(s32[1], s[1], tv_usec);
1781 sp = s;
1782 } else
1783 sp = NULL;
1784 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE));
1785 }
1786
1787 int
freebsd32_futimes(struct thread * td,struct freebsd32_futimes_args * uap)1788 freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap)
1789 {
1790 struct timeval32 s32[2];
1791 struct timeval s[2], *sp;
1792 int error;
1793
1794 if (uap->tptr != NULL) {
1795 error = copyin(uap->tptr, s32, sizeof(s32));
1796 if (error)
1797 return (error);
1798 CP(s32[0], s[0], tv_sec);
1799 CP(s32[0], s[0], tv_usec);
1800 CP(s32[1], s[1], tv_sec);
1801 CP(s32[1], s[1], tv_usec);
1802 sp = s;
1803 } else
1804 sp = NULL;
1805 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE));
1806 }
1807
1808 int
freebsd32_futimesat(struct thread * td,struct freebsd32_futimesat_args * uap)1809 freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap)
1810 {
1811 struct timeval32 s32[2];
1812 struct timeval s[2], *sp;
1813 int error;
1814
1815 if (uap->times != NULL) {
1816 error = copyin(uap->times, s32, sizeof(s32));
1817 if (error)
1818 return (error);
1819 CP(s32[0], s[0], tv_sec);
1820 CP(s32[0], s[0], tv_usec);
1821 CP(s32[1], s[1], tv_sec);
1822 CP(s32[1], s[1], tv_usec);
1823 sp = s;
1824 } else
1825 sp = NULL;
1826 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE,
1827 sp, UIO_SYSSPACE));
1828 }
1829
1830 int
freebsd32_futimens(struct thread * td,struct freebsd32_futimens_args * uap)1831 freebsd32_futimens(struct thread *td, struct freebsd32_futimens_args *uap)
1832 {
1833 struct timespec32 ts32[2];
1834 struct timespec ts[2], *tsp;
1835 int error;
1836
1837 if (uap->times != NULL) {
1838 error = copyin(uap->times, ts32, sizeof(ts32));
1839 if (error)
1840 return (error);
1841 CP(ts32[0], ts[0], tv_sec);
1842 CP(ts32[0], ts[0], tv_nsec);
1843 CP(ts32[1], ts[1], tv_sec);
1844 CP(ts32[1], ts[1], tv_nsec);
1845 tsp = ts;
1846 } else
1847 tsp = NULL;
1848 return (kern_futimens(td, uap->fd, tsp, UIO_SYSSPACE));
1849 }
1850
1851 int
freebsd32_utimensat(struct thread * td,struct freebsd32_utimensat_args * uap)1852 freebsd32_utimensat(struct thread *td, struct freebsd32_utimensat_args *uap)
1853 {
1854 struct timespec32 ts32[2];
1855 struct timespec ts[2], *tsp;
1856 int error;
1857
1858 if (uap->times != NULL) {
1859 error = copyin(uap->times, ts32, sizeof(ts32));
1860 if (error)
1861 return (error);
1862 CP(ts32[0], ts[0], tv_sec);
1863 CP(ts32[0], ts[0], tv_nsec);
1864 CP(ts32[1], ts[1], tv_sec);
1865 CP(ts32[1], ts[1], tv_nsec);
1866 tsp = ts;
1867 } else
1868 tsp = NULL;
1869 return (kern_utimensat(td, uap->fd, uap->path, UIO_USERSPACE,
1870 tsp, UIO_SYSSPACE, uap->flag));
1871 }
1872
1873 int
freebsd32_adjtime(struct thread * td,struct freebsd32_adjtime_args * uap)1874 freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap)
1875 {
1876 struct timeval32 tv32;
1877 struct timeval delta, olddelta, *deltap;
1878 int error;
1879
1880 if (uap->delta) {
1881 error = copyin(uap->delta, &tv32, sizeof(tv32));
1882 if (error)
1883 return (error);
1884 CP(tv32, delta, tv_sec);
1885 CP(tv32, delta, tv_usec);
1886 deltap = δ
1887 } else
1888 deltap = NULL;
1889 error = kern_adjtime(td, deltap, &olddelta);
1890 if (uap->olddelta && error == 0) {
1891 CP(olddelta, tv32, tv_sec);
1892 CP(olddelta, tv32, tv_usec);
1893 error = copyout(&tv32, uap->olddelta, sizeof(tv32));
1894 }
1895 return (error);
1896 }
1897
1898 #ifdef COMPAT_FREEBSD4
1899 int
freebsd4_freebsd32_statfs(struct thread * td,struct freebsd4_freebsd32_statfs_args * uap)1900 freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap)
1901 {
1902 struct ostatfs32 s32;
1903 struct statfs *sp;
1904 int error;
1905
1906 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
1907 error = kern_statfs(td, uap->path, UIO_USERSPACE, sp);
1908 if (error == 0) {
1909 copy_statfs(sp, &s32);
1910 error = copyout(&s32, uap->buf, sizeof(s32));
1911 }
1912 free(sp, M_STATFS);
1913 return (error);
1914 }
1915 #endif
1916
1917 #ifdef COMPAT_FREEBSD4
1918 int
freebsd4_freebsd32_fstatfs(struct thread * td,struct freebsd4_freebsd32_fstatfs_args * uap)1919 freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap)
1920 {
1921 struct ostatfs32 s32;
1922 struct statfs *sp;
1923 int error;
1924
1925 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
1926 error = kern_fstatfs(td, uap->fd, sp);
1927 if (error == 0) {
1928 copy_statfs(sp, &s32);
1929 error = copyout(&s32, uap->buf, sizeof(s32));
1930 }
1931 free(sp, M_STATFS);
1932 return (error);
1933 }
1934 #endif
1935
1936 #ifdef COMPAT_FREEBSD4
1937 int
freebsd4_freebsd32_fhstatfs(struct thread * td,struct freebsd4_freebsd32_fhstatfs_args * uap)1938 freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap)
1939 {
1940 struct ostatfs32 s32;
1941 struct statfs *sp;
1942 fhandle_t fh;
1943 int error;
1944
1945 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0)
1946 return (error);
1947 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK);
1948 error = kern_fhstatfs(td, fh, sp);
1949 if (error == 0) {
1950 copy_statfs(sp, &s32);
1951 error = copyout(&s32, uap->buf, sizeof(s32));
1952 }
1953 free(sp, M_STATFS);
1954 return (error);
1955 }
1956 #endif
1957
1958 int
freebsd32_pread(struct thread * td,struct freebsd32_pread_args * uap)1959 freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap)
1960 {
1961
1962 return (kern_pread(td, uap->fd, uap->buf, uap->nbyte,
1963 PAIR32TO64(off_t, uap->offset)));
1964 }
1965
1966 int
freebsd32_pwrite(struct thread * td,struct freebsd32_pwrite_args * uap)1967 freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap)
1968 {
1969
1970 return (kern_pwrite(td, uap->fd, uap->buf, uap->nbyte,
1971 PAIR32TO64(off_t, uap->offset)));
1972 }
1973
1974 #ifdef COMPAT_43
1975 int
ofreebsd32_lseek(struct thread * td,struct ofreebsd32_lseek_args * uap)1976 ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap)
1977 {
1978
1979 return (kern_lseek(td, uap->fd, uap->offset, uap->whence));
1980 }
1981 #endif
1982
1983 int
freebsd32_lseek(struct thread * td,struct freebsd32_lseek_args * uap)1984 freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap)
1985 {
1986 int error;
1987 off_t pos;
1988
1989 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset),
1990 uap->whence);
1991 /* Expand the quad return into two parts for eax and edx */
1992 pos = td->td_uretoff.tdu_off;
1993 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
1994 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
1995 return error;
1996 }
1997
1998 int
freebsd32_truncate(struct thread * td,struct freebsd32_truncate_args * uap)1999 freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap)
2000 {
2001
2002 return (kern_truncate(td, uap->path, UIO_USERSPACE,
2003 PAIR32TO64(off_t, uap->length)));
2004 }
2005
2006 #ifdef COMPAT_43
2007 int
ofreebsd32_truncate(struct thread * td,struct ofreebsd32_truncate_args * uap)2008 ofreebsd32_truncate(struct thread *td, struct ofreebsd32_truncate_args *uap)
2009 {
2010 return (kern_truncate(td, uap->path, UIO_USERSPACE, uap->length));
2011 }
2012 #endif
2013
2014 int
freebsd32_ftruncate(struct thread * td,struct freebsd32_ftruncate_args * uap)2015 freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap)
2016 {
2017
2018 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length)));
2019 }
2020
2021 #ifdef COMPAT_43
2022 int
ofreebsd32_ftruncate(struct thread * td,struct ofreebsd32_ftruncate_args * uap)2023 ofreebsd32_ftruncate(struct thread *td, struct ofreebsd32_ftruncate_args *uap)
2024 {
2025 return (kern_ftruncate(td, uap->fd, uap->length));
2026 }
2027
2028 int
ofreebsd32_getdirentries(struct thread * td,struct ofreebsd32_getdirentries_args * uap)2029 ofreebsd32_getdirentries(struct thread *td,
2030 struct ofreebsd32_getdirentries_args *uap)
2031 {
2032 struct ogetdirentries_args ap;
2033 int error;
2034 long loff;
2035 int32_t loff_cut;
2036
2037 ap.fd = uap->fd;
2038 ap.buf = uap->buf;
2039 ap.count = uap->count;
2040 ap.basep = NULL;
2041 error = kern_ogetdirentries(td, &ap, &loff);
2042 if (error == 0) {
2043 loff_cut = loff;
2044 error = copyout(&loff_cut, uap->basep, sizeof(int32_t));
2045 }
2046 return (error);
2047 }
2048 #endif
2049
2050 #if defined(COMPAT_FREEBSD11)
2051 int
freebsd11_freebsd32_getdirentries(struct thread * td,struct freebsd11_freebsd32_getdirentries_args * uap)2052 freebsd11_freebsd32_getdirentries(struct thread *td,
2053 struct freebsd11_freebsd32_getdirentries_args *uap)
2054 {
2055 long base;
2056 int32_t base32;
2057 int error;
2058
2059 error = freebsd11_kern_getdirentries(td, uap->fd, uap->buf, uap->count,
2060 &base, NULL);
2061 if (error)
2062 return (error);
2063 if (uap->basep != NULL) {
2064 base32 = base;
2065 error = copyout(&base32, uap->basep, sizeof(int32_t));
2066 }
2067 return (error);
2068 }
2069 #endif /* COMPAT_FREEBSD11 */
2070
2071 #ifdef COMPAT_FREEBSD6
2072 /* versions with the 'int pad' argument */
2073 int
freebsd6_freebsd32_pread(struct thread * td,struct freebsd6_freebsd32_pread_args * uap)2074 freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap)
2075 {
2076
2077 return (kern_pread(td, uap->fd, uap->buf, uap->nbyte,
2078 PAIR32TO64(off_t, uap->offset)));
2079 }
2080
2081 int
freebsd6_freebsd32_pwrite(struct thread * td,struct freebsd6_freebsd32_pwrite_args * uap)2082 freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap)
2083 {
2084
2085 return (kern_pwrite(td, uap->fd, uap->buf, uap->nbyte,
2086 PAIR32TO64(off_t, uap->offset)));
2087 }
2088
2089 int
freebsd6_freebsd32_lseek(struct thread * td,struct freebsd6_freebsd32_lseek_args * uap)2090 freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap)
2091 {
2092 int error;
2093 off_t pos;
2094
2095 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset),
2096 uap->whence);
2097 /* Expand the quad return into two parts for eax and edx */
2098 pos = *(off_t *)(td->td_retval);
2099 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */
2100 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */
2101 return error;
2102 }
2103
2104 int
freebsd6_freebsd32_truncate(struct thread * td,struct freebsd6_freebsd32_truncate_args * uap)2105 freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap)
2106 {
2107
2108 return (kern_truncate(td, uap->path, UIO_USERSPACE,
2109 PAIR32TO64(off_t, uap->length)));
2110 }
2111
2112 int
freebsd6_freebsd32_ftruncate(struct thread * td,struct freebsd6_freebsd32_ftruncate_args * uap)2113 freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap)
2114 {
2115
2116 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length)));
2117 }
2118 #endif /* COMPAT_FREEBSD6 */
2119
2120 struct sf_hdtr32 {
2121 uint32_t headers;
2122 int hdr_cnt;
2123 uint32_t trailers;
2124 int trl_cnt;
2125 };
2126
2127 static int
freebsd32_do_sendfile(struct thread * td,struct freebsd32_sendfile_args * uap,int compat)2128 freebsd32_do_sendfile(struct thread *td,
2129 struct freebsd32_sendfile_args *uap, int compat)
2130 {
2131 struct sf_hdtr32 hdtr32;
2132 struct sf_hdtr hdtr;
2133 struct uio *hdr_uio, *trl_uio;
2134 struct file *fp;
2135 cap_rights_t rights;
2136 struct iovec32 *iov32;
2137 off_t offset, sbytes;
2138 int error;
2139
2140 offset = PAIR32TO64(off_t, uap->offset);
2141 if (offset < 0)
2142 return (EINVAL);
2143
2144 hdr_uio = trl_uio = NULL;
2145
2146 if (uap->hdtr != NULL) {
2147 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32));
2148 if (error)
2149 goto out;
2150 PTRIN_CP(hdtr32, hdtr, headers);
2151 CP(hdtr32, hdtr, hdr_cnt);
2152 PTRIN_CP(hdtr32, hdtr, trailers);
2153 CP(hdtr32, hdtr, trl_cnt);
2154
2155 if (hdtr.headers != NULL) {
2156 iov32 = PTRIN(hdtr32.headers);
2157 error = freebsd32_copyinuio(iov32,
2158 hdtr32.hdr_cnt, &hdr_uio);
2159 if (error)
2160 goto out;
2161 #ifdef COMPAT_FREEBSD4
2162 /*
2163 * In FreeBSD < 5.0 the nbytes to send also included
2164 * the header. If compat is specified subtract the
2165 * header size from nbytes.
2166 */
2167 if (compat) {
2168 if (uap->nbytes > hdr_uio->uio_resid)
2169 uap->nbytes -= hdr_uio->uio_resid;
2170 else
2171 uap->nbytes = 0;
2172 }
2173 #endif
2174 }
2175 if (hdtr.trailers != NULL) {
2176 iov32 = PTRIN(hdtr32.trailers);
2177 error = freebsd32_copyinuio(iov32,
2178 hdtr32.trl_cnt, &trl_uio);
2179 if (error)
2180 goto out;
2181 }
2182 }
2183
2184 AUDIT_ARG_FD(uap->fd);
2185
2186 if ((error = fget_read(td, uap->fd,
2187 cap_rights_init_one(&rights, CAP_PREAD), &fp)) != 0)
2188 goto out;
2189
2190 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset,
2191 uap->nbytes, &sbytes, uap->flags, td);
2192 fdrop(fp, td);
2193
2194 if (uap->sbytes != NULL)
2195 (void)copyout(&sbytes, uap->sbytes, sizeof(off_t));
2196
2197 out:
2198 if (hdr_uio)
2199 freeuio(hdr_uio);
2200 if (trl_uio)
2201 freeuio(trl_uio);
2202 return (error);
2203 }
2204
2205 #ifdef COMPAT_FREEBSD4
2206 int
freebsd4_freebsd32_sendfile(struct thread * td,struct freebsd4_freebsd32_sendfile_args * uap)2207 freebsd4_freebsd32_sendfile(struct thread *td,
2208 struct freebsd4_freebsd32_sendfile_args *uap)
2209 {
2210 return (freebsd32_do_sendfile(td,
2211 (struct freebsd32_sendfile_args *)uap, 1));
2212 }
2213 #endif
2214
2215 int
freebsd32_sendfile(struct thread * td,struct freebsd32_sendfile_args * uap)2216 freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap)
2217 {
2218
2219 return (freebsd32_do_sendfile(td, uap, 0));
2220 }
2221
2222 static void
copy_stat(struct stat * in,struct stat32 * out)2223 copy_stat(struct stat *in, struct stat32 *out)
2224 {
2225
2226 #ifndef __amd64__
2227 /*
2228 * 32-bit architectures other than i386 have 64-bit time_t. This
2229 * results in struct timespec32 with 12 bytes for tv_sec and tv_nsec,
2230 * and 4 bytes of padding. Zero the padding holes in struct stat32.
2231 */
2232 bzero(&out->st_atim, sizeof(out->st_atim));
2233 bzero(&out->st_mtim, sizeof(out->st_mtim));
2234 bzero(&out->st_ctim, sizeof(out->st_ctim));
2235 bzero(&out->st_birthtim, sizeof(out->st_birthtim));
2236 #endif
2237 CP(*in, *out, st_dev);
2238 CP(*in, *out, st_ino);
2239 CP(*in, *out, st_mode);
2240 CP(*in, *out, st_nlink);
2241 CP(*in, *out, st_uid);
2242 CP(*in, *out, st_gid);
2243 CP(*in, *out, st_rdev);
2244 TS_CP(*in, *out, st_atim);
2245 TS_CP(*in, *out, st_mtim);
2246 TS_CP(*in, *out, st_ctim);
2247 CP(*in, *out, st_size);
2248 CP(*in, *out, st_blocks);
2249 CP(*in, *out, st_blksize);
2250 CP(*in, *out, st_flags);
2251 CP(*in, *out, st_gen);
2252 TS_CP(*in, *out, st_birthtim);
2253 out->st_padding0 = 0;
2254 out->st_padding1 = 0;
2255 #ifdef __STAT32_TIME_T_EXT
2256 out->st_atim_ext = 0;
2257 out->st_mtim_ext = 0;
2258 out->st_ctim_ext = 0;
2259 out->st_btim_ext = 0;
2260 #endif
2261 bzero(out->st_spare, sizeof(out->st_spare));
2262 }
2263
2264 #ifdef COMPAT_43
2265 static void
copy_ostat(struct stat * in,struct ostat32 * out)2266 copy_ostat(struct stat *in, struct ostat32 *out)
2267 {
2268
2269 bzero(out, sizeof(*out));
2270 CP(*in, *out, st_dev);
2271 CP(*in, *out, st_ino);
2272 CP(*in, *out, st_mode);
2273 CP(*in, *out, st_nlink);
2274 CP(*in, *out, st_uid);
2275 CP(*in, *out, st_gid);
2276 CP(*in, *out, st_rdev);
2277 out->st_size = MIN(in->st_size, INT32_MAX);
2278 TS_CP(*in, *out, st_atim);
2279 TS_CP(*in, *out, st_mtim);
2280 TS_CP(*in, *out, st_ctim);
2281 CP(*in, *out, st_blksize);
2282 CP(*in, *out, st_blocks);
2283 CP(*in, *out, st_flags);
2284 CP(*in, *out, st_gen);
2285 }
2286 #endif
2287
2288 #ifdef COMPAT_43
2289 int
ofreebsd32_stat(struct thread * td,struct ofreebsd32_stat_args * uap)2290 ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap)
2291 {
2292 struct stat sb;
2293 struct ostat32 sb32;
2294 int error;
2295
2296 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, &sb);
2297 if (error)
2298 return (error);
2299 copy_ostat(&sb, &sb32);
2300 error = copyout(&sb32, uap->ub, sizeof (sb32));
2301 return (error);
2302 }
2303 #endif
2304
2305 int
freebsd32_fstat(struct thread * td,struct freebsd32_fstat_args * uap)2306 freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap)
2307 {
2308 struct stat ub;
2309 struct stat32 ub32;
2310 int error;
2311
2312 error = kern_fstat(td, uap->fd, &ub);
2313 if (error)
2314 return (error);
2315 copy_stat(&ub, &ub32);
2316 error = copyout(&ub32, uap->sb, sizeof(ub32));
2317 return (error);
2318 }
2319
2320 #ifdef COMPAT_43
2321 int
ofreebsd32_fstat(struct thread * td,struct ofreebsd32_fstat_args * uap)2322 ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap)
2323 {
2324 struct stat ub;
2325 struct ostat32 ub32;
2326 int error;
2327
2328 error = kern_fstat(td, uap->fd, &ub);
2329 if (error)
2330 return (error);
2331 copy_ostat(&ub, &ub32);
2332 error = copyout(&ub32, uap->sb, sizeof(ub32));
2333 return (error);
2334 }
2335 #endif
2336
2337 int
freebsd32_fstatat(struct thread * td,struct freebsd32_fstatat_args * uap)2338 freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap)
2339 {
2340 struct stat ub;
2341 struct stat32 ub32;
2342 int error;
2343
2344 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE,
2345 &ub);
2346 if (error)
2347 return (error);
2348 copy_stat(&ub, &ub32);
2349 error = copyout(&ub32, uap->buf, sizeof(ub32));
2350 return (error);
2351 }
2352
2353 #ifdef COMPAT_43
2354 int
ofreebsd32_lstat(struct thread * td,struct ofreebsd32_lstat_args * uap)2355 ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap)
2356 {
2357 struct stat sb;
2358 struct ostat32 sb32;
2359 int error;
2360
2361 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path,
2362 UIO_USERSPACE, &sb);
2363 if (error)
2364 return (error);
2365 copy_ostat(&sb, &sb32);
2366 error = copyout(&sb32, uap->ub, sizeof (sb32));
2367 return (error);
2368 }
2369 #endif
2370
2371 int
freebsd32_fhstat(struct thread * td,struct freebsd32_fhstat_args * uap)2372 freebsd32_fhstat(struct thread *td, struct freebsd32_fhstat_args *uap)
2373 {
2374 struct stat sb;
2375 struct stat32 sb32;
2376 struct fhandle fh;
2377 int error;
2378
2379 error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t));
2380 if (error != 0)
2381 return (error);
2382 error = kern_fhstat(td, fh, &sb);
2383 if (error != 0)
2384 return (error);
2385 copy_stat(&sb, &sb32);
2386 error = copyout(&sb32, uap->sb, sizeof (sb32));
2387 return (error);
2388 }
2389
2390 #if defined(COMPAT_FREEBSD11)
2391 extern int ino64_trunc_error;
2392
2393 static int
freebsd11_cvtstat32(struct stat * in,struct freebsd11_stat32 * out)2394 freebsd11_cvtstat32(struct stat *in, struct freebsd11_stat32 *out)
2395 {
2396
2397 #ifndef __amd64__
2398 /*
2399 * 32-bit architectures other than i386 have 64-bit time_t. This
2400 * results in struct timespec32 with 12 bytes for tv_sec and tv_nsec,
2401 * and 4 bytes of padding. Zero the padding holes in freebsd11_stat32.
2402 */
2403 bzero(&out->st_atim, sizeof(out->st_atim));
2404 bzero(&out->st_mtim, sizeof(out->st_mtim));
2405 bzero(&out->st_ctim, sizeof(out->st_ctim));
2406 bzero(&out->st_birthtim, sizeof(out->st_birthtim));
2407 #endif
2408
2409 CP(*in, *out, st_ino);
2410 if (in->st_ino != out->st_ino) {
2411 switch (ino64_trunc_error) {
2412 default:
2413 case 0:
2414 break;
2415 case 1:
2416 return (EOVERFLOW);
2417 case 2:
2418 out->st_ino = UINT32_MAX;
2419 break;
2420 }
2421 }
2422 CP(*in, *out, st_nlink);
2423 if (in->st_nlink != out->st_nlink) {
2424 switch (ino64_trunc_error) {
2425 default:
2426 case 0:
2427 break;
2428 case 1:
2429 return (EOVERFLOW);
2430 case 2:
2431 out->st_nlink = UINT16_MAX;
2432 break;
2433 }
2434 }
2435 out->st_dev = in->st_dev;
2436 if (out->st_dev != in->st_dev) {
2437 switch (ino64_trunc_error) {
2438 default:
2439 break;
2440 case 1:
2441 return (EOVERFLOW);
2442 }
2443 }
2444 CP(*in, *out, st_mode);
2445 CP(*in, *out, st_uid);
2446 CP(*in, *out, st_gid);
2447 out->st_rdev = in->st_rdev;
2448 if (out->st_rdev != in->st_rdev) {
2449 switch (ino64_trunc_error) {
2450 default:
2451 break;
2452 case 1:
2453 return (EOVERFLOW);
2454 }
2455 }
2456 TS_CP(*in, *out, st_atim);
2457 TS_CP(*in, *out, st_mtim);
2458 TS_CP(*in, *out, st_ctim);
2459 CP(*in, *out, st_size);
2460 CP(*in, *out, st_blocks);
2461 CP(*in, *out, st_blksize);
2462 CP(*in, *out, st_flags);
2463 CP(*in, *out, st_gen);
2464 TS_CP(*in, *out, st_birthtim);
2465 out->st_lspare = 0;
2466 bzero((char *)&out->st_birthtim + sizeof(out->st_birthtim),
2467 sizeof(*out) - offsetof(struct freebsd11_stat32,
2468 st_birthtim) - sizeof(out->st_birthtim));
2469 return (0);
2470 }
2471
2472 int
freebsd11_freebsd32_stat(struct thread * td,struct freebsd11_freebsd32_stat_args * uap)2473 freebsd11_freebsd32_stat(struct thread *td,
2474 struct freebsd11_freebsd32_stat_args *uap)
2475 {
2476 struct stat sb;
2477 struct freebsd11_stat32 sb32;
2478 int error;
2479
2480 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, &sb);
2481 if (error != 0)
2482 return (error);
2483 error = freebsd11_cvtstat32(&sb, &sb32);
2484 if (error == 0)
2485 error = copyout(&sb32, uap->ub, sizeof (sb32));
2486 return (error);
2487 }
2488
2489 int
freebsd11_freebsd32_fstat(struct thread * td,struct freebsd11_freebsd32_fstat_args * uap)2490 freebsd11_freebsd32_fstat(struct thread *td,
2491 struct freebsd11_freebsd32_fstat_args *uap)
2492 {
2493 struct stat sb;
2494 struct freebsd11_stat32 sb32;
2495 int error;
2496
2497 error = kern_fstat(td, uap->fd, &sb);
2498 if (error != 0)
2499 return (error);
2500 error = freebsd11_cvtstat32(&sb, &sb32);
2501 if (error == 0)
2502 error = copyout(&sb32, uap->sb, sizeof (sb32));
2503 return (error);
2504 }
2505
2506 int
freebsd11_freebsd32_fstatat(struct thread * td,struct freebsd11_freebsd32_fstatat_args * uap)2507 freebsd11_freebsd32_fstatat(struct thread *td,
2508 struct freebsd11_freebsd32_fstatat_args *uap)
2509 {
2510 struct stat sb;
2511 struct freebsd11_stat32 sb32;
2512 int error;
2513
2514 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE,
2515 &sb);
2516 if (error != 0)
2517 return (error);
2518 error = freebsd11_cvtstat32(&sb, &sb32);
2519 if (error == 0)
2520 error = copyout(&sb32, uap->buf, sizeof (sb32));
2521 return (error);
2522 }
2523
2524 int
freebsd11_freebsd32_lstat(struct thread * td,struct freebsd11_freebsd32_lstat_args * uap)2525 freebsd11_freebsd32_lstat(struct thread *td,
2526 struct freebsd11_freebsd32_lstat_args *uap)
2527 {
2528 struct stat sb;
2529 struct freebsd11_stat32 sb32;
2530 int error;
2531
2532 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path,
2533 UIO_USERSPACE, &sb);
2534 if (error != 0)
2535 return (error);
2536 error = freebsd11_cvtstat32(&sb, &sb32);
2537 if (error == 0)
2538 error = copyout(&sb32, uap->ub, sizeof (sb32));
2539 return (error);
2540 }
2541
2542 int
freebsd11_freebsd32_fhstat(struct thread * td,struct freebsd11_freebsd32_fhstat_args * uap)2543 freebsd11_freebsd32_fhstat(struct thread *td,
2544 struct freebsd11_freebsd32_fhstat_args *uap)
2545 {
2546 struct stat sb;
2547 struct freebsd11_stat32 sb32;
2548 struct fhandle fh;
2549 int error;
2550
2551 error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t));
2552 if (error != 0)
2553 return (error);
2554 error = kern_fhstat(td, fh, &sb);
2555 if (error != 0)
2556 return (error);
2557 error = freebsd11_cvtstat32(&sb, &sb32);
2558 if (error == 0)
2559 error = copyout(&sb32, uap->sb, sizeof (sb32));
2560 return (error);
2561 }
2562
2563 static int
freebsd11_cvtnstat32(struct stat * sb,struct nstat32 * nsb32)2564 freebsd11_cvtnstat32(struct stat *sb, struct nstat32 *nsb32)
2565 {
2566 struct nstat nsb;
2567 int error;
2568
2569 error = freebsd11_cvtnstat(sb, &nsb);
2570 if (error != 0)
2571 return (error);
2572
2573 bzero(nsb32, sizeof(*nsb32));
2574 CP(nsb, *nsb32, st_dev);
2575 CP(nsb, *nsb32, st_ino);
2576 CP(nsb, *nsb32, st_mode);
2577 CP(nsb, *nsb32, st_nlink);
2578 CP(nsb, *nsb32, st_uid);
2579 CP(nsb, *nsb32, st_gid);
2580 CP(nsb, *nsb32, st_rdev);
2581 CP(nsb, *nsb32, st_atim.tv_sec);
2582 CP(nsb, *nsb32, st_atim.tv_nsec);
2583 CP(nsb, *nsb32, st_mtim.tv_sec);
2584 CP(nsb, *nsb32, st_mtim.tv_nsec);
2585 CP(nsb, *nsb32, st_ctim.tv_sec);
2586 CP(nsb, *nsb32, st_ctim.tv_nsec);
2587 CP(nsb, *nsb32, st_size);
2588 CP(nsb, *nsb32, st_blocks);
2589 CP(nsb, *nsb32, st_blksize);
2590 CP(nsb, *nsb32, st_flags);
2591 CP(nsb, *nsb32, st_gen);
2592 CP(nsb, *nsb32, st_birthtim.tv_sec);
2593 CP(nsb, *nsb32, st_birthtim.tv_nsec);
2594 return (0);
2595 }
2596
2597 int
freebsd11_freebsd32_nstat(struct thread * td,struct freebsd11_freebsd32_nstat_args * uap)2598 freebsd11_freebsd32_nstat(struct thread *td,
2599 struct freebsd11_freebsd32_nstat_args *uap)
2600 {
2601 struct stat sb;
2602 struct nstat32 nsb;
2603 int error;
2604
2605 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, &sb);
2606 if (error != 0)
2607 return (error);
2608 error = freebsd11_cvtnstat32(&sb, &nsb);
2609 if (error != 0)
2610 error = copyout(&nsb, uap->ub, sizeof (nsb));
2611 return (error);
2612 }
2613
2614 int
freebsd11_freebsd32_nlstat(struct thread * td,struct freebsd11_freebsd32_nlstat_args * uap)2615 freebsd11_freebsd32_nlstat(struct thread *td,
2616 struct freebsd11_freebsd32_nlstat_args *uap)
2617 {
2618 struct stat sb;
2619 struct nstat32 nsb;
2620 int error;
2621
2622 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path,
2623 UIO_USERSPACE, &sb);
2624 if (error != 0)
2625 return (error);
2626 error = freebsd11_cvtnstat32(&sb, &nsb);
2627 if (error == 0)
2628 error = copyout(&nsb, uap->ub, sizeof (nsb));
2629 return (error);
2630 }
2631
2632 int
freebsd11_freebsd32_nfstat(struct thread * td,struct freebsd11_freebsd32_nfstat_args * uap)2633 freebsd11_freebsd32_nfstat(struct thread *td,
2634 struct freebsd11_freebsd32_nfstat_args *uap)
2635 {
2636 struct nstat32 nub;
2637 struct stat ub;
2638 int error;
2639
2640 error = kern_fstat(td, uap->fd, &ub);
2641 if (error != 0)
2642 return (error);
2643 error = freebsd11_cvtnstat32(&ub, &nub);
2644 if (error == 0)
2645 error = copyout(&nub, uap->sb, sizeof(nub));
2646 return (error);
2647 }
2648 #endif
2649
2650 int
freebsd32___sysctl(struct thread * td,struct freebsd32___sysctl_args * uap)2651 freebsd32___sysctl(struct thread *td, struct freebsd32___sysctl_args *uap)
2652 {
2653 int error, name[CTL_MAXNAME];
2654 size_t j, oldlen;
2655 uint32_t tmp;
2656
2657 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2)
2658 return (EINVAL);
2659 error = copyin(uap->name, name, uap->namelen * sizeof(int));
2660 if (error)
2661 return (error);
2662 if (uap->oldlenp) {
2663 error = fueword32(uap->oldlenp, &tmp);
2664 oldlen = tmp;
2665 } else {
2666 oldlen = 0;
2667 }
2668 if (error != 0)
2669 return (EFAULT);
2670 error = userland_sysctl(td, name, uap->namelen,
2671 uap->old, &oldlen, 1,
2672 uap->new, uap->newlen, &j, SCTL_MASK32);
2673 if (error)
2674 return (error);
2675 if (uap->oldlenp != NULL && suword32(uap->oldlenp, j) != 0)
2676 error = EFAULT;
2677 return (error);
2678 }
2679
2680 int
freebsd32___sysctlbyname(struct thread * td,struct freebsd32___sysctlbyname_args * uap)2681 freebsd32___sysctlbyname(struct thread *td,
2682 struct freebsd32___sysctlbyname_args *uap)
2683 {
2684 size_t oldlen, rv;
2685 int error;
2686 uint32_t tmp;
2687
2688 if (uap->oldlenp != NULL) {
2689 error = fueword32(uap->oldlenp, &tmp);
2690 oldlen = tmp;
2691 } else {
2692 error = oldlen = 0;
2693 }
2694 if (error != 0)
2695 return (EFAULT);
2696 error = kern___sysctlbyname(td, uap->name, uap->namelen, uap->old,
2697 &oldlen, uap->new, uap->newlen, &rv, SCTL_MASK32, 1);
2698 if (error != 0)
2699 return (error);
2700 if (uap->oldlenp != NULL && suword32(uap->oldlenp, rv) != 0)
2701 error = EFAULT;
2702 return (error);
2703 }
2704
2705 int
freebsd32_jail(struct thread * td,struct freebsd32_jail_args * uap)2706 freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap)
2707 {
2708 uint32_t version;
2709 int error;
2710 struct jail j;
2711
2712 error = copyin(uap->jail, &version, sizeof(uint32_t));
2713 if (error)
2714 return (error);
2715
2716 switch (version) {
2717 case 0:
2718 {
2719 /* FreeBSD single IPv4 jails. */
2720 struct jail32_v0 j32_v0;
2721
2722 bzero(&j, sizeof(struct jail));
2723 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0));
2724 if (error)
2725 return (error);
2726 CP(j32_v0, j, version);
2727 PTRIN_CP(j32_v0, j, path);
2728 PTRIN_CP(j32_v0, j, hostname);
2729 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */
2730 break;
2731 }
2732
2733 case 1:
2734 /*
2735 * Version 1 was used by multi-IPv4 jail implementations
2736 * that never made it into the official kernel.
2737 */
2738 return (EINVAL);
2739
2740 case 2: /* JAIL_API_VERSION */
2741 {
2742 /* FreeBSD multi-IPv4/IPv6,noIP jails. */
2743 struct jail32 j32;
2744
2745 error = copyin(uap->jail, &j32, sizeof(struct jail32));
2746 if (error)
2747 return (error);
2748 CP(j32, j, version);
2749 PTRIN_CP(j32, j, path);
2750 PTRIN_CP(j32, j, hostname);
2751 PTRIN_CP(j32, j, jailname);
2752 CP(j32, j, ip4s);
2753 CP(j32, j, ip6s);
2754 PTRIN_CP(j32, j, ip4);
2755 PTRIN_CP(j32, j, ip6);
2756 break;
2757 }
2758
2759 default:
2760 /* Sci-Fi jails are not supported, sorry. */
2761 return (EINVAL);
2762 }
2763 return (kern_jail(td, &j));
2764 }
2765
2766 int
freebsd32_jail_set(struct thread * td,struct freebsd32_jail_set_args * uap)2767 freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap)
2768 {
2769 struct uio *auio;
2770 int error;
2771
2772 /* Check that we have an even number of iovecs. */
2773 if (uap->iovcnt & 1)
2774 return (EINVAL);
2775
2776 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
2777 if (error)
2778 return (error);
2779 error = kern_jail_set(td, auio, uap->flags);
2780 freeuio(auio);
2781 return (error);
2782 }
2783
2784 int
freebsd32_jail_get(struct thread * td,struct freebsd32_jail_get_args * uap)2785 freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap)
2786 {
2787 struct iovec32 iov32;
2788 struct uio *auio;
2789 int error, i;
2790
2791 /* Check that we have an even number of iovecs. */
2792 if (uap->iovcnt & 1)
2793 return (EINVAL);
2794
2795 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
2796 if (error)
2797 return (error);
2798 error = kern_jail_get(td, auio, uap->flags);
2799 if (error == 0)
2800 for (i = 0; i < uap->iovcnt; i++) {
2801 PTROUT_CP(auio->uio_iov[i], iov32, iov_base);
2802 CP(auio->uio_iov[i], iov32, iov_len);
2803 error = copyout(&iov32, uap->iovp + i, sizeof(iov32));
2804 if (error != 0)
2805 break;
2806 }
2807 freeuio(auio);
2808 return (error);
2809 }
2810
2811 int
freebsd32_sigaction(struct thread * td,struct freebsd32_sigaction_args * uap)2812 freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap)
2813 {
2814 struct sigaction32 s32;
2815 struct sigaction sa, osa, *sap;
2816 int error;
2817
2818 if (uap->act) {
2819 error = copyin(uap->act, &s32, sizeof(s32));
2820 if (error)
2821 return (error);
2822 sa.sa_handler = PTRIN(s32.sa_u);
2823 CP(s32, sa, sa_flags);
2824 CP(s32, sa, sa_mask);
2825 sap = &sa;
2826 } else
2827 sap = NULL;
2828 error = kern_sigaction(td, uap->sig, sap, &osa, 0);
2829 if (error == 0 && uap->oact != NULL) {
2830 s32.sa_u = PTROUT(osa.sa_handler);
2831 CP(osa, s32, sa_flags);
2832 CP(osa, s32, sa_mask);
2833 error = copyout(&s32, uap->oact, sizeof(s32));
2834 }
2835 return (error);
2836 }
2837
2838 #ifdef COMPAT_FREEBSD4
2839 int
freebsd4_freebsd32_sigaction(struct thread * td,struct freebsd4_freebsd32_sigaction_args * uap)2840 freebsd4_freebsd32_sigaction(struct thread *td,
2841 struct freebsd4_freebsd32_sigaction_args *uap)
2842 {
2843 struct sigaction32 s32;
2844 struct sigaction sa, osa, *sap;
2845 int error;
2846
2847 if (uap->act) {
2848 error = copyin(uap->act, &s32, sizeof(s32));
2849 if (error)
2850 return (error);
2851 sa.sa_handler = PTRIN(s32.sa_u);
2852 CP(s32, sa, sa_flags);
2853 CP(s32, sa, sa_mask);
2854 sap = &sa;
2855 } else
2856 sap = NULL;
2857 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4);
2858 if (error == 0 && uap->oact != NULL) {
2859 s32.sa_u = PTROUT(osa.sa_handler);
2860 CP(osa, s32, sa_flags);
2861 CP(osa, s32, sa_mask);
2862 error = copyout(&s32, uap->oact, sizeof(s32));
2863 }
2864 return (error);
2865 }
2866 #endif
2867
2868 #ifdef COMPAT_43
2869 struct osigaction32 {
2870 uint32_t sa_u;
2871 osigset_t sa_mask;
2872 int sa_flags;
2873 };
2874
2875 #define ONSIG 32
2876
2877 int
ofreebsd32_sigaction(struct thread * td,struct ofreebsd32_sigaction_args * uap)2878 ofreebsd32_sigaction(struct thread *td,
2879 struct ofreebsd32_sigaction_args *uap)
2880 {
2881 struct osigaction32 s32;
2882 struct sigaction sa, osa, *sap;
2883 int error;
2884
2885 if (uap->signum <= 0 || uap->signum >= ONSIG)
2886 return (EINVAL);
2887
2888 if (uap->nsa) {
2889 error = copyin(uap->nsa, &s32, sizeof(s32));
2890 if (error)
2891 return (error);
2892 sa.sa_handler = PTRIN(s32.sa_u);
2893 CP(s32, sa, sa_flags);
2894 OSIG2SIG(s32.sa_mask, sa.sa_mask);
2895 sap = &sa;
2896 } else
2897 sap = NULL;
2898 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
2899 if (error == 0 && uap->osa != NULL) {
2900 s32.sa_u = PTROUT(osa.sa_handler);
2901 CP(osa, s32, sa_flags);
2902 SIG2OSIG(osa.sa_mask, s32.sa_mask);
2903 error = copyout(&s32, uap->osa, sizeof(s32));
2904 }
2905 return (error);
2906 }
2907
2908 struct sigvec32 {
2909 uint32_t sv_handler;
2910 int sv_mask;
2911 int sv_flags;
2912 };
2913
2914 int
ofreebsd32_sigvec(struct thread * td,struct ofreebsd32_sigvec_args * uap)2915 ofreebsd32_sigvec(struct thread *td,
2916 struct ofreebsd32_sigvec_args *uap)
2917 {
2918 struct sigvec32 vec;
2919 struct sigaction sa, osa, *sap;
2920 int error;
2921
2922 if (uap->signum <= 0 || uap->signum >= ONSIG)
2923 return (EINVAL);
2924
2925 if (uap->nsv) {
2926 error = copyin(uap->nsv, &vec, sizeof(vec));
2927 if (error)
2928 return (error);
2929 sa.sa_handler = PTRIN(vec.sv_handler);
2930 OSIG2SIG(vec.sv_mask, sa.sa_mask);
2931 sa.sa_flags = vec.sv_flags;
2932 sa.sa_flags ^= SA_RESTART;
2933 sap = &sa;
2934 } else
2935 sap = NULL;
2936 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET);
2937 if (error == 0 && uap->osv != NULL) {
2938 vec.sv_handler = PTROUT(osa.sa_handler);
2939 SIG2OSIG(osa.sa_mask, vec.sv_mask);
2940 vec.sv_flags = osa.sa_flags;
2941 vec.sv_flags &= ~SA_NOCLDWAIT;
2942 vec.sv_flags ^= SA_RESTART;
2943 error = copyout(&vec, uap->osv, sizeof(vec));
2944 }
2945 return (error);
2946 }
2947
2948 struct sigstack32 {
2949 uint32_t ss_sp;
2950 int ss_onstack;
2951 };
2952
2953 int
ofreebsd32_sigstack(struct thread * td,struct ofreebsd32_sigstack_args * uap)2954 ofreebsd32_sigstack(struct thread *td,
2955 struct ofreebsd32_sigstack_args *uap)
2956 {
2957 struct sigstack32 s32;
2958 struct sigstack nss, oss;
2959 int error = 0, unss;
2960
2961 if (uap->nss != NULL) {
2962 error = copyin(uap->nss, &s32, sizeof(s32));
2963 if (error)
2964 return (error);
2965 nss.ss_sp = PTRIN(s32.ss_sp);
2966 CP(s32, nss, ss_onstack);
2967 unss = 1;
2968 } else {
2969 unss = 0;
2970 }
2971 oss.ss_sp = td->td_sigstk.ss_sp;
2972 oss.ss_onstack = sigonstack(cpu_getstack(td));
2973 if (unss) {
2974 td->td_sigstk.ss_sp = nss.ss_sp;
2975 td->td_sigstk.ss_size = 0;
2976 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK);
2977 td->td_pflags |= TDP_ALTSTACK;
2978 }
2979 if (uap->oss != NULL) {
2980 s32.ss_sp = PTROUT(oss.ss_sp);
2981 CP(oss, s32, ss_onstack);
2982 error = copyout(&s32, uap->oss, sizeof(s32));
2983 }
2984 return (error);
2985 }
2986 #endif
2987
2988 int
freebsd32_nanosleep(struct thread * td,struct freebsd32_nanosleep_args * uap)2989 freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap)
2990 {
2991
2992 return (freebsd32_user_clock_nanosleep(td, CLOCK_REALTIME,
2993 TIMER_RELTIME, uap->rqtp, uap->rmtp));
2994 }
2995
2996 int
freebsd32_clock_nanosleep(struct thread * td,struct freebsd32_clock_nanosleep_args * uap)2997 freebsd32_clock_nanosleep(struct thread *td,
2998 struct freebsd32_clock_nanosleep_args *uap)
2999 {
3000 int error;
3001
3002 error = freebsd32_user_clock_nanosleep(td, uap->clock_id, uap->flags,
3003 uap->rqtp, uap->rmtp);
3004 return (kern_posix_error(td, error));
3005 }
3006
3007 static int
freebsd32_user_clock_nanosleep(struct thread * td,clockid_t clock_id,int flags,const struct timespec32 * ua_rqtp,struct timespec32 * ua_rmtp)3008 freebsd32_user_clock_nanosleep(struct thread *td, clockid_t clock_id,
3009 int flags, const struct timespec32 *ua_rqtp, struct timespec32 *ua_rmtp)
3010 {
3011 struct timespec32 rmt32, rqt32;
3012 struct timespec rmt, rqt;
3013 int error, error2;
3014
3015 error = copyin(ua_rqtp, &rqt32, sizeof(rqt32));
3016 if (error)
3017 return (error);
3018
3019 CP(rqt32, rqt, tv_sec);
3020 CP(rqt32, rqt, tv_nsec);
3021
3022 error = kern_clock_nanosleep(td, clock_id, flags, &rqt, &rmt);
3023 if (error == EINTR && ua_rmtp != NULL && (flags & TIMER_ABSTIME) == 0) {
3024 CP(rmt, rmt32, tv_sec);
3025 CP(rmt, rmt32, tv_nsec);
3026
3027 error2 = copyout(&rmt32, ua_rmtp, sizeof(rmt32));
3028 if (error2 != 0)
3029 error = error2;
3030 }
3031 return (error);
3032 }
3033
3034 int
freebsd32_clock_gettime(struct thread * td,struct freebsd32_clock_gettime_args * uap)3035 freebsd32_clock_gettime(struct thread *td,
3036 struct freebsd32_clock_gettime_args *uap)
3037 {
3038 struct timespec ats;
3039 struct timespec32 ats32;
3040 int error;
3041
3042 error = kern_clock_gettime(td, uap->clock_id, &ats);
3043 if (error == 0) {
3044 CP(ats, ats32, tv_sec);
3045 CP(ats, ats32, tv_nsec);
3046 error = copyout(&ats32, uap->tp, sizeof(ats32));
3047 }
3048 return (error);
3049 }
3050
3051 int
freebsd32_clock_settime(struct thread * td,struct freebsd32_clock_settime_args * uap)3052 freebsd32_clock_settime(struct thread *td,
3053 struct freebsd32_clock_settime_args *uap)
3054 {
3055 struct timespec ats;
3056 struct timespec32 ats32;
3057 int error;
3058
3059 error = copyin(uap->tp, &ats32, sizeof(ats32));
3060 if (error)
3061 return (error);
3062 CP(ats32, ats, tv_sec);
3063 CP(ats32, ats, tv_nsec);
3064
3065 return (kern_clock_settime(td, uap->clock_id, &ats));
3066 }
3067
3068 int
freebsd32_clock_getres(struct thread * td,struct freebsd32_clock_getres_args * uap)3069 freebsd32_clock_getres(struct thread *td,
3070 struct freebsd32_clock_getres_args *uap)
3071 {
3072 struct timespec ts;
3073 struct timespec32 ts32;
3074 int error;
3075
3076 if (uap->tp == NULL)
3077 return (0);
3078 error = kern_clock_getres(td, uap->clock_id, &ts);
3079 if (error == 0) {
3080 CP(ts, ts32, tv_sec);
3081 CP(ts, ts32, tv_nsec);
3082 error = copyout(&ts32, uap->tp, sizeof(ts32));
3083 }
3084 return (error);
3085 }
3086
freebsd32_ktimer_create(struct thread * td,struct freebsd32_ktimer_create_args * uap)3087 int freebsd32_ktimer_create(struct thread *td,
3088 struct freebsd32_ktimer_create_args *uap)
3089 {
3090 struct sigevent32 ev32;
3091 struct sigevent ev, *evp;
3092 int error, id;
3093
3094 if (uap->evp == NULL) {
3095 evp = NULL;
3096 } else {
3097 evp = &ev;
3098 error = copyin(uap->evp, &ev32, sizeof(ev32));
3099 if (error != 0)
3100 return (error);
3101 error = convert_sigevent32(&ev32, &ev);
3102 if (error != 0)
3103 return (error);
3104 }
3105 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1);
3106 if (error == 0) {
3107 error = copyout(&id, uap->timerid, sizeof(int));
3108 if (error != 0)
3109 kern_ktimer_delete(td, id);
3110 }
3111 return (error);
3112 }
3113
3114 int
freebsd32_ktimer_settime(struct thread * td,struct freebsd32_ktimer_settime_args * uap)3115 freebsd32_ktimer_settime(struct thread *td,
3116 struct freebsd32_ktimer_settime_args *uap)
3117 {
3118 struct itimerspec32 val32, oval32;
3119 struct itimerspec val, oval, *ovalp;
3120 int error;
3121
3122 error = copyin(uap->value, &val32, sizeof(val32));
3123 if (error != 0)
3124 return (error);
3125 ITS_CP(val32, val);
3126 ovalp = uap->ovalue != NULL ? &oval : NULL;
3127 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp);
3128 if (error == 0 && uap->ovalue != NULL) {
3129 ITS_CP(oval, oval32);
3130 error = copyout(&oval32, uap->ovalue, sizeof(oval32));
3131 }
3132 return (error);
3133 }
3134
3135 int
freebsd32_ktimer_gettime(struct thread * td,struct freebsd32_ktimer_gettime_args * uap)3136 freebsd32_ktimer_gettime(struct thread *td,
3137 struct freebsd32_ktimer_gettime_args *uap)
3138 {
3139 struct itimerspec32 val32;
3140 struct itimerspec val;
3141 int error;
3142
3143 error = kern_ktimer_gettime(td, uap->timerid, &val);
3144 if (error == 0) {
3145 ITS_CP(val, val32);
3146 error = copyout(&val32, uap->value, sizeof(val32));
3147 }
3148 return (error);
3149 }
3150
3151 int
freebsd32_timerfd_gettime(struct thread * td,struct freebsd32_timerfd_gettime_args * uap)3152 freebsd32_timerfd_gettime(struct thread *td,
3153 struct freebsd32_timerfd_gettime_args *uap)
3154 {
3155 struct itimerspec curr_value;
3156 struct itimerspec32 curr_value32;
3157 int error;
3158
3159 error = kern_timerfd_gettime(td, uap->fd, &curr_value);
3160 if (error == 0) {
3161 CP(curr_value, curr_value32, it_value.tv_sec);
3162 CP(curr_value, curr_value32, it_value.tv_nsec);
3163 CP(curr_value, curr_value32, it_interval.tv_sec);
3164 CP(curr_value, curr_value32, it_interval.tv_nsec);
3165 error = copyout(&curr_value32, uap->curr_value,
3166 sizeof(curr_value32));
3167 }
3168
3169 return (error);
3170 }
3171
3172 int
freebsd32_timerfd_settime(struct thread * td,struct freebsd32_timerfd_settime_args * uap)3173 freebsd32_timerfd_settime(struct thread *td,
3174 struct freebsd32_timerfd_settime_args *uap)
3175 {
3176 struct itimerspec new_value, old_value;
3177 struct itimerspec32 new_value32, old_value32;
3178 int error;
3179
3180 error = copyin(uap->new_value, &new_value32, sizeof(new_value32));
3181 if (error != 0)
3182 return (error);
3183 CP(new_value32, new_value, it_value.tv_sec);
3184 CP(new_value32, new_value, it_value.tv_nsec);
3185 CP(new_value32, new_value, it_interval.tv_sec);
3186 CP(new_value32, new_value, it_interval.tv_nsec);
3187 if (uap->old_value == NULL) {
3188 error = kern_timerfd_settime(td, uap->fd, uap->flags,
3189 &new_value, NULL);
3190 } else {
3191 error = kern_timerfd_settime(td, uap->fd, uap->flags,
3192 &new_value, &old_value);
3193 if (error == 0) {
3194 CP(old_value, old_value32, it_value.tv_sec);
3195 CP(old_value, old_value32, it_value.tv_nsec);
3196 CP(old_value, old_value32, it_interval.tv_sec);
3197 CP(old_value, old_value32, it_interval.tv_nsec);
3198 error = copyout(&old_value32, uap->old_value,
3199 sizeof(old_value32));
3200 }
3201 }
3202 return (error);
3203 }
3204
3205 int
freebsd32_clock_getcpuclockid2(struct thread * td,struct freebsd32_clock_getcpuclockid2_args * uap)3206 freebsd32_clock_getcpuclockid2(struct thread *td,
3207 struct freebsd32_clock_getcpuclockid2_args *uap)
3208 {
3209 clockid_t clk_id;
3210 int error;
3211
3212 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id),
3213 uap->which, &clk_id);
3214 if (error == 0)
3215 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t));
3216 return (error);
3217 }
3218
3219 int
freebsd32_thr_new(struct thread * td,struct freebsd32_thr_new_args * uap)3220 freebsd32_thr_new(struct thread *td,
3221 struct freebsd32_thr_new_args *uap)
3222 {
3223 struct thr_param32 param32;
3224 struct thr_param param;
3225 int error;
3226
3227 if (uap->param_size < 0 ||
3228 uap->param_size > sizeof(struct thr_param32))
3229 return (EINVAL);
3230 bzero(¶m, sizeof(struct thr_param));
3231 bzero(¶m32, sizeof(struct thr_param32));
3232 error = copyin(uap->param, ¶m32, uap->param_size);
3233 if (error != 0)
3234 return (error);
3235 param.start_func = PTRIN(param32.start_func);
3236 param.arg = PTRIN(param32.arg);
3237 param.stack_base = PTRIN(param32.stack_base);
3238 param.stack_size = param32.stack_size;
3239 param.tls_base = PTRIN(param32.tls_base);
3240 param.tls_size = param32.tls_size;
3241 param.child_tid = PTRIN(param32.child_tid);
3242 param.parent_tid = PTRIN(param32.parent_tid);
3243 param.flags = param32.flags;
3244 param.rtp = PTRIN(param32.rtp);
3245 param.spare[0] = PTRIN(param32.spare[0]);
3246 param.spare[1] = PTRIN(param32.spare[1]);
3247 param.spare[2] = PTRIN(param32.spare[2]);
3248
3249 return (kern_thr_new(td, ¶m));
3250 }
3251
3252 int
freebsd32_thr_suspend(struct thread * td,struct freebsd32_thr_suspend_args * uap)3253 freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap)
3254 {
3255 struct timespec32 ts32;
3256 struct timespec ts, *tsp;
3257 int error;
3258
3259 error = 0;
3260 tsp = NULL;
3261 if (uap->timeout != NULL) {
3262 error = copyin((const void *)uap->timeout, (void *)&ts32,
3263 sizeof(struct timespec32));
3264 if (error != 0)
3265 return (error);
3266 ts.tv_sec = ts32.tv_sec;
3267 ts.tv_nsec = ts32.tv_nsec;
3268 tsp = &ts;
3269 }
3270 return (kern_thr_suspend(td, tsp));
3271 }
3272
3273 void
siginfo_to_siginfo32(const siginfo_t * src,struct __siginfo32 * dst)3274 siginfo_to_siginfo32(const siginfo_t *src, struct __siginfo32 *dst)
3275 {
3276 bzero(dst, sizeof(*dst));
3277 dst->si_signo = src->si_signo;
3278 dst->si_errno = src->si_errno;
3279 dst->si_code = src->si_code;
3280 dst->si_pid = src->si_pid;
3281 dst->si_uid = src->si_uid;
3282 dst->si_status = src->si_status;
3283 dst->si_addr = (uintptr_t)src->si_addr;
3284 dst->si_value.sival_int = src->si_value.sival_int;
3285 dst->si_timerid = src->si_timerid;
3286 dst->si_overrun = src->si_overrun;
3287 }
3288
3289 #ifndef _FREEBSD32_SYSPROTO_H_
3290 struct freebsd32_sigqueue_args {
3291 pid_t pid;
3292 int signum;
3293 /* union sigval32 */ int value;
3294 };
3295 #endif
3296 int
freebsd32_sigqueue(struct thread * td,struct freebsd32_sigqueue_args * uap)3297 freebsd32_sigqueue(struct thread *td, struct freebsd32_sigqueue_args *uap)
3298 {
3299 union sigval sv;
3300
3301 /*
3302 * On 32-bit ABIs, sival_int and sival_ptr are the same.
3303 * On 64-bit little-endian ABIs, the low bits are the same.
3304 * In 64-bit big-endian ABIs, sival_int overlaps with
3305 * sival_ptr's HIGH bits. We choose to support sival_int
3306 * rather than sival_ptr in this case as it seems to be
3307 * more common.
3308 */
3309 bzero(&sv, sizeof(sv));
3310 sv.sival_int = (uint32_t)(uint64_t)uap->value;
3311
3312 return (kern_sigqueue(td, uap->pid, uap->signum, &sv));
3313 }
3314
3315 int
freebsd32_sigtimedwait(struct thread * td,struct freebsd32_sigtimedwait_args * uap)3316 freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap)
3317 {
3318 struct timespec32 ts32;
3319 struct timespec ts;
3320 struct timespec *timeout;
3321 sigset_t set;
3322 ksiginfo_t ksi;
3323 struct __siginfo32 si32;
3324 int error;
3325
3326 if (uap->timeout) {
3327 error = copyin(uap->timeout, &ts32, sizeof(ts32));
3328 if (error)
3329 return (error);
3330 ts.tv_sec = ts32.tv_sec;
3331 ts.tv_nsec = ts32.tv_nsec;
3332 timeout = &ts;
3333 } else
3334 timeout = NULL;
3335
3336 error = copyin(uap->set, &set, sizeof(set));
3337 if (error)
3338 return (error);
3339
3340 error = kern_sigtimedwait(td, set, &ksi, timeout);
3341 if (error)
3342 return (error);
3343
3344 if (uap->info) {
3345 siginfo_to_siginfo32(&ksi.ksi_info, &si32);
3346 error = copyout(&si32, uap->info, sizeof(struct __siginfo32));
3347 }
3348
3349 if (error == 0)
3350 td->td_retval[0] = ksi.ksi_signo;
3351 return (error);
3352 }
3353
3354 /*
3355 * MPSAFE
3356 */
3357 int
freebsd32_sigwaitinfo(struct thread * td,struct freebsd32_sigwaitinfo_args * uap)3358 freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap)
3359 {
3360 ksiginfo_t ksi;
3361 struct __siginfo32 si32;
3362 sigset_t set;
3363 int error;
3364
3365 error = copyin(uap->set, &set, sizeof(set));
3366 if (error)
3367 return (error);
3368
3369 error = kern_sigtimedwait(td, set, &ksi, NULL);
3370 if (error)
3371 return (error);
3372
3373 if (uap->info) {
3374 siginfo_to_siginfo32(&ksi.ksi_info, &si32);
3375 error = copyout(&si32, uap->info, sizeof(struct __siginfo32));
3376 }
3377 if (error == 0)
3378 td->td_retval[0] = ksi.ksi_signo;
3379 return (error);
3380 }
3381
3382 int
freebsd32_cpuset_setid(struct thread * td,struct freebsd32_cpuset_setid_args * uap)3383 freebsd32_cpuset_setid(struct thread *td,
3384 struct freebsd32_cpuset_setid_args *uap)
3385 {
3386
3387 return (kern_cpuset_setid(td, uap->which,
3388 PAIR32TO64(id_t, uap->id), uap->setid));
3389 }
3390
3391 int
freebsd32_cpuset_getid(struct thread * td,struct freebsd32_cpuset_getid_args * uap)3392 freebsd32_cpuset_getid(struct thread *td,
3393 struct freebsd32_cpuset_getid_args *uap)
3394 {
3395
3396 return (kern_cpuset_getid(td, uap->level, uap->which,
3397 PAIR32TO64(id_t, uap->id), uap->setid));
3398 }
3399
3400 static int
copyin32_set(const void * u,void * k,size_t size)3401 copyin32_set(const void *u, void *k, size_t size)
3402 {
3403 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
3404 int rv;
3405 struct bitset *kb = k;
3406 int *p;
3407
3408 rv = copyin(u, k, size);
3409 if (rv != 0)
3410 return (rv);
3411
3412 p = (int *)kb->__bits;
3413 /* Loop through swapping words.
3414 * `size' is in bytes, we need bits. */
3415 for (int i = 0; i < __bitset_words(size * 8); i++) {
3416 int tmp = p[0];
3417 p[0] = p[1];
3418 p[1] = tmp;
3419 p += 2;
3420 }
3421 return (0);
3422 #else
3423 return (copyin(u, k, size));
3424 #endif
3425 }
3426
3427 static int
copyout32_set(const void * k,void * u,size_t size)3428 copyout32_set(const void *k, void *u, size_t size)
3429 {
3430 #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
3431 const struct bitset *kb = k;
3432 struct bitset *ub = u;
3433 const int *kp = (const int *)kb->__bits;
3434 int *up = (int *)ub->__bits;
3435 int rv;
3436
3437 for (int i = 0; i < __bitset_words(CPU_SETSIZE); i++) {
3438 /* `size' is in bytes, we need bits. */
3439 for (int i = 0; i < __bitset_words(size * 8); i++) {
3440 rv = suword32(up, kp[1]);
3441 if (rv == 0)
3442 rv = suword32(up + 1, kp[0]);
3443 if (rv != 0)
3444 return (EFAULT);
3445 }
3446 }
3447 return (0);
3448 #else
3449 return (copyout(k, u, size));
3450 #endif
3451 }
3452
3453 static const struct cpuset_copy_cb cpuset_copy32_cb = {
3454 .cpuset_copyin = copyin32_set,
3455 .cpuset_copyout = copyout32_set
3456 };
3457
3458 int
freebsd32_cpuset_getaffinity(struct thread * td,struct freebsd32_cpuset_getaffinity_args * uap)3459 freebsd32_cpuset_getaffinity(struct thread *td,
3460 struct freebsd32_cpuset_getaffinity_args *uap)
3461 {
3462
3463 return (user_cpuset_getaffinity(td, uap->level, uap->which,
3464 PAIR32TO64(id_t,uap->id), uap->cpusetsize, uap->mask,
3465 &cpuset_copy32_cb));
3466 }
3467
3468 int
freebsd32_cpuset_setaffinity(struct thread * td,struct freebsd32_cpuset_setaffinity_args * uap)3469 freebsd32_cpuset_setaffinity(struct thread *td,
3470 struct freebsd32_cpuset_setaffinity_args *uap)
3471 {
3472
3473 return (user_cpuset_setaffinity(td, uap->level, uap->which,
3474 PAIR32TO64(id_t,uap->id), uap->cpusetsize, uap->mask,
3475 &cpuset_copy32_cb));
3476 }
3477
3478 int
freebsd32_cpuset_getdomain(struct thread * td,struct freebsd32_cpuset_getdomain_args * uap)3479 freebsd32_cpuset_getdomain(struct thread *td,
3480 struct freebsd32_cpuset_getdomain_args *uap)
3481 {
3482
3483 return (kern_cpuset_getdomain(td, uap->level, uap->which,
3484 PAIR32TO64(id_t,uap->id), uap->domainsetsize, uap->mask, uap->policy,
3485 &cpuset_copy32_cb));
3486 }
3487
3488 int
freebsd32_cpuset_setdomain(struct thread * td,struct freebsd32_cpuset_setdomain_args * uap)3489 freebsd32_cpuset_setdomain(struct thread *td,
3490 struct freebsd32_cpuset_setdomain_args *uap)
3491 {
3492
3493 return (kern_cpuset_setdomain(td, uap->level, uap->which,
3494 PAIR32TO64(id_t,uap->id), uap->domainsetsize, uap->mask, uap->policy,
3495 &cpuset_copy32_cb));
3496 }
3497
3498 int
freebsd32_nmount(struct thread * td,struct freebsd32_nmount_args * uap)3499 freebsd32_nmount(struct thread *td,
3500 struct freebsd32_nmount_args /* {
3501 struct iovec *iovp;
3502 unsigned int iovcnt;
3503 int flags;
3504 } */ *uap)
3505 {
3506 struct uio *auio;
3507 uint64_t flags;
3508 int error;
3509
3510 /*
3511 * Mount flags are now 64-bits. On 32-bit archtectures only
3512 * 32-bits are passed in, but from here on everything handles
3513 * 64-bit flags correctly.
3514 */
3515 flags = uap->flags;
3516
3517 AUDIT_ARG_FFLAGS(flags);
3518
3519 /*
3520 * Filter out MNT_ROOTFS. We do not want clients of nmount() in
3521 * userspace to set this flag, but we must filter it out if we want
3522 * MNT_UPDATE on the root file system to work.
3523 * MNT_ROOTFS should only be set by the kernel when mounting its
3524 * root file system.
3525 */
3526 flags &= ~MNT_ROOTFS;
3527
3528 /*
3529 * check that we have an even number of iovec's
3530 * and that we have at least two options.
3531 */
3532 if ((uap->iovcnt & 1) || (uap->iovcnt < 4))
3533 return (EINVAL);
3534
3535 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio);
3536 if (error)
3537 return (error);
3538 error = vfs_donmount(td, flags, auio);
3539
3540 freeuio(auio);
3541 return error;
3542 }
3543
3544 #if 0
3545 int
3546 freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap)
3547 {
3548 struct yyy32 *p32, s32;
3549 struct yyy *p = NULL, s;
3550 struct xxx_arg ap;
3551 int error;
3552
3553 if (uap->zzz) {
3554 error = copyin(uap->zzz, &s32, sizeof(s32));
3555 if (error)
3556 return (error);
3557 /* translate in */
3558 p = &s;
3559 }
3560 error = kern_xxx(td, p);
3561 if (error)
3562 return (error);
3563 if (uap->zzz) {
3564 /* translate out */
3565 error = copyout(&s32, p32, sizeof(s32));
3566 }
3567 return (error);
3568 }
3569 #endif
3570
3571 int
syscall32_module_handler(struct module * mod,int what,void * arg)3572 syscall32_module_handler(struct module *mod, int what, void *arg)
3573 {
3574
3575 return (kern_syscall_module_handler(freebsd32_sysent, mod, what, arg));
3576 }
3577
3578 int
syscall32_helper_register(struct syscall_helper_data * sd,int flags)3579 syscall32_helper_register(struct syscall_helper_data *sd, int flags)
3580 {
3581
3582 return (kern_syscall_helper_register(freebsd32_sysent, sd, flags));
3583 }
3584
3585 int
syscall32_helper_unregister(struct syscall_helper_data * sd)3586 syscall32_helper_unregister(struct syscall_helper_data *sd)
3587 {
3588
3589 return (kern_syscall_helper_unregister(freebsd32_sysent, sd));
3590 }
3591
3592 int
freebsd32_copyout_strings(struct image_params * imgp,uintptr_t * stack_base)3593 freebsd32_copyout_strings(struct image_params *imgp, uintptr_t *stack_base)
3594 {
3595 struct sysentvec *sysent;
3596 int argc, envc, i;
3597 uint32_t *vectp;
3598 char *stringp;
3599 uintptr_t destp, ustringp;
3600 struct freebsd32_ps_strings *arginfo;
3601 char canary[sizeof(long) * 8];
3602 int32_t pagesizes32[MAXPAGESIZES];
3603 size_t execpath_len;
3604 int error, szsigcode;
3605
3606 sysent = imgp->sysent;
3607
3608 arginfo = (struct freebsd32_ps_strings *)PROC_PS_STRINGS(imgp->proc);
3609 imgp->ps_strings = arginfo;
3610 destp = (uintptr_t)arginfo;
3611
3612 /*
3613 * Install sigcode.
3614 */
3615 if (!PROC_HAS_SHP(imgp->proc)) {
3616 szsigcode = *sysent->sv_szsigcode;
3617 destp -= szsigcode;
3618 destp = rounddown2(destp, sizeof(uint32_t));
3619 error = copyout(sysent->sv_sigcode, (void *)destp,
3620 szsigcode);
3621 if (error != 0)
3622 return (error);
3623 }
3624
3625 /*
3626 * Copy the image path for the rtld.
3627 */
3628 if (imgp->execpath != NULL && imgp->auxargs != NULL) {
3629 execpath_len = strlen(imgp->execpath) + 1;
3630 destp -= execpath_len;
3631 imgp->execpathp = (void *)destp;
3632 error = copyout(imgp->execpath, imgp->execpathp, execpath_len);
3633 if (error != 0)
3634 return (error);
3635 }
3636
3637 /*
3638 * Prepare the canary for SSP.
3639 */
3640 arc4rand(canary, sizeof(canary), 0);
3641 destp -= sizeof(canary);
3642 imgp->canary = (void *)destp;
3643 error = copyout(canary, imgp->canary, sizeof(canary));
3644 if (error != 0)
3645 return (error);
3646 imgp->canarylen = sizeof(canary);
3647
3648 /*
3649 * Prepare the pagesizes array.
3650 */
3651 for (i = 0; i < MAXPAGESIZES; i++)
3652 pagesizes32[i] = (uint32_t)pagesizes[i];
3653 destp -= sizeof(pagesizes32);
3654 destp = rounddown2(destp, sizeof(uint32_t));
3655 imgp->pagesizes = (void *)destp;
3656 error = copyout(pagesizes32, imgp->pagesizes, sizeof(pagesizes32));
3657 if (error != 0)
3658 return (error);
3659 imgp->pagesizeslen = sizeof(pagesizes32);
3660
3661 /*
3662 * Allocate room for the argument and environment strings.
3663 */
3664 destp -= ARG_MAX - imgp->args->stringspace;
3665 destp = rounddown2(destp, sizeof(uint32_t));
3666 ustringp = destp;
3667
3668 if (imgp->auxargs) {
3669 /*
3670 * Allocate room on the stack for the ELF auxargs
3671 * array. It has up to AT_COUNT entries.
3672 */
3673 destp -= AT_COUNT * sizeof(Elf32_Auxinfo);
3674 destp = rounddown2(destp, sizeof(uint32_t));
3675 }
3676
3677 vectp = (uint32_t *)destp;
3678
3679 /*
3680 * Allocate room for the argv[] and env vectors including the
3681 * terminating NULL pointers.
3682 */
3683 vectp -= imgp->args->argc + 1 + imgp->args->envc + 1;
3684
3685 /*
3686 * vectp also becomes our initial stack base
3687 */
3688 *stack_base = (uintptr_t)vectp;
3689
3690 stringp = imgp->args->begin_argv;
3691 argc = imgp->args->argc;
3692 envc = imgp->args->envc;
3693 /*
3694 * Copy out strings - arguments and environment.
3695 */
3696 error = copyout(stringp, (void *)ustringp,
3697 ARG_MAX - imgp->args->stringspace);
3698 if (error != 0)
3699 return (error);
3700
3701 /*
3702 * Fill in "ps_strings" struct for ps, w, etc.
3703 */
3704 imgp->argv = vectp;
3705 if (suword32(&arginfo->ps_argvstr, (uint32_t)(intptr_t)vectp) != 0 ||
3706 suword32(&arginfo->ps_nargvstr, argc) != 0)
3707 return (EFAULT);
3708
3709 /*
3710 * Fill in argument portion of vector table.
3711 */
3712 for (; argc > 0; --argc) {
3713 if (suword32(vectp++, ustringp) != 0)
3714 return (EFAULT);
3715 while (*stringp++ != 0)
3716 ustringp++;
3717 ustringp++;
3718 }
3719
3720 /* a null vector table pointer separates the argp's from the envp's */
3721 if (suword32(vectp++, 0) != 0)
3722 return (EFAULT);
3723
3724 imgp->envv = vectp;
3725 if (suword32(&arginfo->ps_envstr, (uint32_t)(intptr_t)vectp) != 0 ||
3726 suword32(&arginfo->ps_nenvstr, envc) != 0)
3727 return (EFAULT);
3728
3729 /*
3730 * Fill in environment portion of vector table.
3731 */
3732 for (; envc > 0; --envc) {
3733 if (suword32(vectp++, ustringp) != 0)
3734 return (EFAULT);
3735 while (*stringp++ != 0)
3736 ustringp++;
3737 ustringp++;
3738 }
3739
3740 /* end of vector table is a null pointer */
3741 if (suword32(vectp, 0) != 0)
3742 return (EFAULT);
3743
3744 if (imgp->auxargs) {
3745 vectp++;
3746 error = imgp->sysent->sv_copyout_auxargs(imgp,
3747 (uintptr_t)vectp);
3748 if (error != 0)
3749 return (error);
3750 }
3751
3752 return (0);
3753 }
3754
3755 int
freebsd32_kldstat(struct thread * td,struct freebsd32_kldstat_args * uap)3756 freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap)
3757 {
3758 struct kld_file_stat *stat;
3759 struct kld_file_stat32 *stat32;
3760 int error, version;
3761
3762 if ((error = copyin(&uap->stat->version, &version, sizeof(version)))
3763 != 0)
3764 return (error);
3765 if (version != sizeof(struct kld_file_stat_1_32) &&
3766 version != sizeof(struct kld_file_stat32))
3767 return (EINVAL);
3768
3769 stat = malloc(sizeof(*stat), M_TEMP, M_WAITOK | M_ZERO);
3770 stat32 = malloc(sizeof(*stat32), M_TEMP, M_WAITOK | M_ZERO);
3771 error = kern_kldstat(td, uap->fileid, stat);
3772 if (error == 0) {
3773 bcopy(&stat->name[0], &stat32->name[0], sizeof(stat->name));
3774 CP(*stat, *stat32, refs);
3775 CP(*stat, *stat32, id);
3776 PTROUT_CP(*stat, *stat32, address);
3777 CP(*stat, *stat32, size);
3778 bcopy(&stat->pathname[0], &stat32->pathname[0],
3779 sizeof(stat->pathname));
3780 stat32->version = version;
3781 error = copyout(stat32, uap->stat, version);
3782 }
3783 free(stat, M_TEMP);
3784 free(stat32, M_TEMP);
3785 return (error);
3786 }
3787
3788 int
freebsd32_posix_fallocate(struct thread * td,struct freebsd32_posix_fallocate_args * uap)3789 freebsd32_posix_fallocate(struct thread *td,
3790 struct freebsd32_posix_fallocate_args *uap)
3791 {
3792 int error;
3793
3794 error = kern_posix_fallocate(td, uap->fd,
3795 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len));
3796 return (kern_posix_error(td, error));
3797 }
3798
3799 int
freebsd32_posix_fadvise(struct thread * td,struct freebsd32_posix_fadvise_args * uap)3800 freebsd32_posix_fadvise(struct thread *td,
3801 struct freebsd32_posix_fadvise_args *uap)
3802 {
3803 int error;
3804
3805 error = kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset),
3806 PAIR32TO64(off_t, uap->len), uap->advice);
3807 return (kern_posix_error(td, error));
3808 }
3809
3810 int
convert_sigevent32(struct sigevent32 * sig32,struct sigevent * sig)3811 convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig)
3812 {
3813
3814 CP(*sig32, *sig, sigev_notify);
3815 switch (sig->sigev_notify) {
3816 case SIGEV_NONE:
3817 break;
3818 case SIGEV_THREAD_ID:
3819 CP(*sig32, *sig, sigev_notify_thread_id);
3820 /* FALLTHROUGH */
3821 case SIGEV_SIGNAL:
3822 CP(*sig32, *sig, sigev_signo);
3823 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr);
3824 break;
3825 case SIGEV_KEVENT:
3826 CP(*sig32, *sig, sigev_notify_kqueue);
3827 CP(*sig32, *sig, sigev_notify_kevent_flags);
3828 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr);
3829 break;
3830 default:
3831 return (EINVAL);
3832 }
3833 return (0);
3834 }
3835
3836 int
freebsd32_procctl(struct thread * td,struct freebsd32_procctl_args * uap)3837 freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap)
3838 {
3839 void *data;
3840 union {
3841 struct procctl_reaper_status rs;
3842 struct procctl_reaper_pids rp;
3843 struct procctl_reaper_kill rk;
3844 } x;
3845 union {
3846 struct procctl_reaper_pids32 rp;
3847 } x32;
3848 int error, error1, flags, signum;
3849
3850 if (uap->com >= PROC_PROCCTL_MD_MIN)
3851 return (cpu_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id),
3852 uap->com, PTRIN(uap->data)));
3853
3854 switch (uap->com) {
3855 case PROC_ASLR_CTL:
3856 case PROC_PROTMAX_CTL:
3857 case PROC_SPROTECT:
3858 case PROC_STACKGAP_CTL:
3859 case PROC_TRACE_CTL:
3860 case PROC_TRAPCAP_CTL:
3861 case PROC_NO_NEW_PRIVS_CTL:
3862 case PROC_WXMAP_CTL:
3863 error = copyin(PTRIN(uap->data), &flags, sizeof(flags));
3864 if (error != 0)
3865 return (error);
3866 data = &flags;
3867 break;
3868 case PROC_REAP_ACQUIRE:
3869 case PROC_REAP_RELEASE:
3870 if (uap->data != NULL)
3871 return (EINVAL);
3872 data = NULL;
3873 break;
3874 case PROC_REAP_STATUS:
3875 data = &x.rs;
3876 break;
3877 case PROC_REAP_GETPIDS:
3878 error = copyin(uap->data, &x32.rp, sizeof(x32.rp));
3879 if (error != 0)
3880 return (error);
3881 CP(x32.rp, x.rp, rp_count);
3882 PTRIN_CP(x32.rp, x.rp, rp_pids);
3883 data = &x.rp;
3884 break;
3885 case PROC_REAP_KILL:
3886 error = copyin(uap->data, &x.rk, sizeof(x.rk));
3887 if (error != 0)
3888 return (error);
3889 data = &x.rk;
3890 break;
3891 case PROC_ASLR_STATUS:
3892 case PROC_PROTMAX_STATUS:
3893 case PROC_STACKGAP_STATUS:
3894 case PROC_TRACE_STATUS:
3895 case PROC_TRAPCAP_STATUS:
3896 case PROC_NO_NEW_PRIVS_STATUS:
3897 case PROC_WXMAP_STATUS:
3898 data = &flags;
3899 break;
3900 case PROC_PDEATHSIG_CTL:
3901 error = copyin(uap->data, &signum, sizeof(signum));
3902 if (error != 0)
3903 return (error);
3904 data = &signum;
3905 break;
3906 case PROC_PDEATHSIG_STATUS:
3907 data = &signum;
3908 break;
3909 default:
3910 return (EINVAL);
3911 }
3912 error = kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id),
3913 uap->com, data);
3914 switch (uap->com) {
3915 case PROC_REAP_STATUS:
3916 if (error == 0)
3917 error = copyout(&x.rs, uap->data, sizeof(x.rs));
3918 break;
3919 case PROC_REAP_KILL:
3920 error1 = copyout(&x.rk, uap->data, sizeof(x.rk));
3921 if (error == 0)
3922 error = error1;
3923 break;
3924 case PROC_ASLR_STATUS:
3925 case PROC_PROTMAX_STATUS:
3926 case PROC_STACKGAP_STATUS:
3927 case PROC_TRACE_STATUS:
3928 case PROC_TRAPCAP_STATUS:
3929 case PROC_NO_NEW_PRIVS_STATUS:
3930 case PROC_WXMAP_STATUS:
3931 if (error == 0)
3932 error = copyout(&flags, uap->data, sizeof(flags));
3933 break;
3934 case PROC_PDEATHSIG_STATUS:
3935 if (error == 0)
3936 error = copyout(&signum, uap->data, sizeof(signum));
3937 break;
3938 }
3939 return (error);
3940 }
3941
3942 int
freebsd32_fcntl(struct thread * td,struct freebsd32_fcntl_args * uap)3943 freebsd32_fcntl(struct thread *td, struct freebsd32_fcntl_args *uap)
3944 {
3945 intptr_t tmp;
3946
3947 switch (uap->cmd) {
3948 /*
3949 * Do unsigned conversion for arg when operation
3950 * interprets it as flags or pointer.
3951 */
3952 case F_SETLK_REMOTE:
3953 case F_SETLKW:
3954 case F_SETLK:
3955 case F_GETLK:
3956 case F_SETFD:
3957 case F_SETFL:
3958 case F_OGETLK:
3959 case F_OSETLK:
3960 case F_OSETLKW:
3961 case F_KINFO:
3962 tmp = (unsigned int)(uap->arg);
3963 break;
3964 default:
3965 tmp = uap->arg;
3966 break;
3967 }
3968 return (kern_fcntl_freebsd(td, uap->fd, uap->cmd, tmp));
3969 }
3970
3971 int
freebsd32_ppoll(struct thread * td,struct freebsd32_ppoll_args * uap)3972 freebsd32_ppoll(struct thread *td, struct freebsd32_ppoll_args *uap)
3973 {
3974 struct timespec32 ts32;
3975 struct timespec ts, *tsp;
3976 sigset_t set, *ssp;
3977 int error;
3978
3979 if (uap->ts != NULL) {
3980 error = copyin(uap->ts, &ts32, sizeof(ts32));
3981 if (error != 0)
3982 return (error);
3983 CP(ts32, ts, tv_sec);
3984 CP(ts32, ts, tv_nsec);
3985 tsp = &ts;
3986 } else
3987 tsp = NULL;
3988 if (uap->set != NULL) {
3989 error = copyin(uap->set, &set, sizeof(set));
3990 if (error != 0)
3991 return (error);
3992 ssp = &set;
3993 } else
3994 ssp = NULL;
3995
3996 return (kern_poll(td, uap->fds, uap->nfds, tsp, ssp));
3997 }
3998
3999 int
freebsd32_sched_rr_get_interval(struct thread * td,struct freebsd32_sched_rr_get_interval_args * uap)4000 freebsd32_sched_rr_get_interval(struct thread *td,
4001 struct freebsd32_sched_rr_get_interval_args *uap)
4002 {
4003 struct timespec ts;
4004 struct timespec32 ts32;
4005 int error;
4006
4007 error = kern_sched_rr_get_interval(td, uap->pid, &ts);
4008 if (error == 0) {
4009 CP(ts, ts32, tv_sec);
4010 CP(ts, ts32, tv_nsec);
4011 error = copyout(&ts32, uap->interval, sizeof(ts32));
4012 }
4013 return (error);
4014 }
4015
4016 static void
timex_to_32(struct timex32 * dst,struct timex * src)4017 timex_to_32(struct timex32 *dst, struct timex *src)
4018 {
4019 CP(*src, *dst, modes);
4020 CP(*src, *dst, offset);
4021 CP(*src, *dst, freq);
4022 CP(*src, *dst, maxerror);
4023 CP(*src, *dst, esterror);
4024 CP(*src, *dst, status);
4025 CP(*src, *dst, constant);
4026 CP(*src, *dst, precision);
4027 CP(*src, *dst, tolerance);
4028 CP(*src, *dst, ppsfreq);
4029 CP(*src, *dst, jitter);
4030 CP(*src, *dst, shift);
4031 CP(*src, *dst, stabil);
4032 CP(*src, *dst, jitcnt);
4033 CP(*src, *dst, calcnt);
4034 CP(*src, *dst, errcnt);
4035 CP(*src, *dst, stbcnt);
4036 }
4037
4038 static void
timex_from_32(struct timex * dst,struct timex32 * src)4039 timex_from_32(struct timex *dst, struct timex32 *src)
4040 {
4041 CP(*src, *dst, modes);
4042 CP(*src, *dst, offset);
4043 CP(*src, *dst, freq);
4044 CP(*src, *dst, maxerror);
4045 CP(*src, *dst, esterror);
4046 CP(*src, *dst, status);
4047 CP(*src, *dst, constant);
4048 CP(*src, *dst, precision);
4049 CP(*src, *dst, tolerance);
4050 CP(*src, *dst, ppsfreq);
4051 CP(*src, *dst, jitter);
4052 CP(*src, *dst, shift);
4053 CP(*src, *dst, stabil);
4054 CP(*src, *dst, jitcnt);
4055 CP(*src, *dst, calcnt);
4056 CP(*src, *dst, errcnt);
4057 CP(*src, *dst, stbcnt);
4058 }
4059
4060 int
freebsd32_ntp_adjtime(struct thread * td,struct freebsd32_ntp_adjtime_args * uap)4061 freebsd32_ntp_adjtime(struct thread *td, struct freebsd32_ntp_adjtime_args *uap)
4062 {
4063 struct timex tx;
4064 struct timex32 tx32;
4065 int error, retval;
4066
4067 error = copyin(uap->tp, &tx32, sizeof(tx32));
4068 if (error == 0) {
4069 timex_from_32(&tx, &tx32);
4070 error = kern_ntp_adjtime(td, &tx, &retval);
4071 if (error == 0) {
4072 timex_to_32(&tx32, &tx);
4073 error = copyout(&tx32, uap->tp, sizeof(tx32));
4074 if (error == 0)
4075 td->td_retval[0] = retval;
4076 }
4077 }
4078 return (error);
4079 }
4080
4081 #ifdef FFCLOCK
4082 extern struct mtx ffclock_mtx;
4083 extern struct ffclock_estimate ffclock_estimate;
4084 extern int8_t ffclock_updated;
4085
4086 int
freebsd32_ffclock_setestimate(struct thread * td,struct freebsd32_ffclock_setestimate_args * uap)4087 freebsd32_ffclock_setestimate(struct thread *td,
4088 struct freebsd32_ffclock_setestimate_args *uap)
4089 {
4090 struct ffclock_estimate cest;
4091 struct ffclock_estimate32 cest32;
4092 int error;
4093
4094 /* Reuse of PRIV_CLOCK_SETTIME. */
4095 if ((error = priv_check(td, PRIV_CLOCK_SETTIME)) != 0)
4096 return (error);
4097
4098 if ((error = copyin(uap->cest, &cest32,
4099 sizeof(struct ffclock_estimate32))) != 0)
4100 return (error);
4101
4102 CP(cest.update_time, cest32.update_time, sec);
4103 memcpy(&cest.update_time.frac, &cest32.update_time.frac, sizeof(uint64_t));
4104 CP(cest, cest32, update_ffcount);
4105 CP(cest, cest32, leapsec_next);
4106 CP(cest, cest32, period);
4107 CP(cest, cest32, errb_abs);
4108 CP(cest, cest32, errb_rate);
4109 CP(cest, cest32, status);
4110 CP(cest, cest32, leapsec_total);
4111 CP(cest, cest32, leapsec);
4112
4113 mtx_lock(&ffclock_mtx);
4114 memcpy(&ffclock_estimate, &cest, sizeof(struct ffclock_estimate));
4115 ffclock_updated++;
4116 mtx_unlock(&ffclock_mtx);
4117 return (error);
4118 }
4119
4120 int
freebsd32_ffclock_getestimate(struct thread * td,struct freebsd32_ffclock_getestimate_args * uap)4121 freebsd32_ffclock_getestimate(struct thread *td,
4122 struct freebsd32_ffclock_getestimate_args *uap)
4123 {
4124 struct ffclock_estimate cest;
4125 struct ffclock_estimate32 cest32;
4126 int error;
4127
4128 mtx_lock(&ffclock_mtx);
4129 memcpy(&cest, &ffclock_estimate, sizeof(struct ffclock_estimate));
4130 mtx_unlock(&ffclock_mtx);
4131
4132 CP(cest32.update_time, cest.update_time, sec);
4133 memcpy(&cest32.update_time.frac, &cest.update_time.frac, sizeof(uint64_t));
4134 CP(cest32, cest, update_ffcount);
4135 CP(cest32, cest, leapsec_next);
4136 CP(cest32, cest, period);
4137 CP(cest32, cest, errb_abs);
4138 CP(cest32, cest, errb_rate);
4139 CP(cest32, cest, status);
4140 CP(cest32, cest, leapsec_total);
4141 CP(cest32, cest, leapsec);
4142
4143 error = copyout(&cest32, uap->cest, sizeof(struct ffclock_estimate32));
4144 return (error);
4145 }
4146 #else /* !FFCLOCK */
4147 int
freebsd32_ffclock_setestimate(struct thread * td,struct freebsd32_ffclock_setestimate_args * uap)4148 freebsd32_ffclock_setestimate(struct thread *td,
4149 struct freebsd32_ffclock_setestimate_args *uap)
4150 {
4151 return (ENOSYS);
4152 }
4153
4154 int
freebsd32_ffclock_getestimate(struct thread * td,struct freebsd32_ffclock_getestimate_args * uap)4155 freebsd32_ffclock_getestimate(struct thread *td,
4156 struct freebsd32_ffclock_getestimate_args *uap)
4157 {
4158 return (ENOSYS);
4159 }
4160 #endif /* FFCLOCK */
4161
4162 #ifdef COMPAT_43
4163 int
ofreebsd32_sethostid(struct thread * td,struct ofreebsd32_sethostid_args * uap)4164 ofreebsd32_sethostid(struct thread *td, struct ofreebsd32_sethostid_args *uap)
4165 {
4166 int name[] = { CTL_KERN, KERN_HOSTID };
4167 long hostid;
4168
4169 hostid = uap->hostid;
4170 return (kernel_sysctl(td, name, nitems(name), NULL, NULL, &hostid,
4171 sizeof(hostid), NULL, 0));
4172 }
4173 #endif
4174