freebsd32_misc.c revision 263954
1/*- 2 * Copyright (c) 2002 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: head/sys/compat/freebsd32/freebsd32_misc.c 263954 2014-03-30 23:43:36Z imp $"); 29 30#include "opt_compat.h" 31#include "opt_inet.h" 32#include "opt_inet6.h" 33 34#define __ELF_WORD_SIZE 32 35 36#include <sys/param.h> 37#include <sys/bus.h> 38#include <sys/capsicum.h> 39#include <sys/clock.h> 40#include <sys/exec.h> 41#include <sys/fcntl.h> 42#include <sys/filedesc.h> 43#include <sys/imgact.h> 44#include <sys/jail.h> 45#include <sys/kernel.h> 46#include <sys/limits.h> 47#include <sys/linker.h> 48#include <sys/lock.h> 49#include <sys/malloc.h> 50#include <sys/file.h> /* Must come after sys/malloc.h */ 51#include <sys/imgact.h> 52#include <sys/mbuf.h> 53#include <sys/mman.h> 54#include <sys/module.h> 55#include <sys/mount.h> 56#include <sys/mutex.h> 57#include <sys/namei.h> 58#include <sys/proc.h> 59#include <sys/procctl.h> 60#include <sys/reboot.h> 61#include <sys/resource.h> 62#include <sys/resourcevar.h> 63#include <sys/selinfo.h> 64#include <sys/eventvar.h> /* Must come after sys/selinfo.h */ 65#include <sys/pipe.h> /* Must come after sys/selinfo.h */ 66#include <sys/signal.h> 67#include <sys/signalvar.h> 68#include <sys/socket.h> 69#include <sys/socketvar.h> 70#include <sys/stat.h> 71#include <sys/syscall.h> 72#include <sys/syscallsubr.h> 73#include <sys/sysctl.h> 74#include <sys/sysent.h> 75#include <sys/sysproto.h> 76#include <sys/systm.h> 77#include <sys/thr.h> 78#include <sys/unistd.h> 79#include <sys/ucontext.h> 80#include <sys/vnode.h> 81#include <sys/wait.h> 82#include <sys/ipc.h> 83#include <sys/msg.h> 84#include <sys/sem.h> 85#include <sys/shm.h> 86#include <sys/condvar.h> 87#include <sys/sf_buf.h> 88#include <sys/sf_sync.h> 89#include <sys/sf_base.h> 90 91#ifdef INET 92#include <netinet/in.h> 93#endif 94 95#include <vm/vm.h> 96#include <vm/vm_param.h> 97#include <vm/pmap.h> 98#include <vm/vm_map.h> 99#include <vm/vm_object.h> 100#include <vm/vm_extern.h> 101 102#include <machine/cpu.h> 103#include <machine/elf.h> 104 105#include <security/audit/audit.h> 106 107#include <compat/freebsd32/freebsd32_util.h> 108#include <compat/freebsd32/freebsd32.h> 109#include <compat/freebsd32/freebsd32_ipc.h> 110#include <compat/freebsd32/freebsd32_misc.h> 111#include <compat/freebsd32/freebsd32_signal.h> 112#include <compat/freebsd32/freebsd32_proto.h> 113 114FEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD"); 115 116#ifndef __mips__ 117CTASSERT(sizeof(struct timeval32) == 8); 118CTASSERT(sizeof(struct timespec32) == 8); 119CTASSERT(sizeof(struct itimerval32) == 16); 120#endif 121CTASSERT(sizeof(struct statfs32) == 256); 122#ifndef __mips__ 123CTASSERT(sizeof(struct rusage32) == 72); 124#endif 125CTASSERT(sizeof(struct sigaltstack32) == 12); 126CTASSERT(sizeof(struct kevent32) == 20); 127CTASSERT(sizeof(struct iovec32) == 8); 128CTASSERT(sizeof(struct msghdr32) == 28); 129#ifndef __mips__ 130CTASSERT(sizeof(struct stat32) == 96); 131#endif 132CTASSERT(sizeof(struct sigaction32) == 24); 133 134static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 135static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 136 137void 138freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32) 139{ 140 141 TV_CP(*s, *s32, ru_utime); 142 TV_CP(*s, *s32, ru_stime); 143 CP(*s, *s32, ru_maxrss); 144 CP(*s, *s32, ru_ixrss); 145 CP(*s, *s32, ru_idrss); 146 CP(*s, *s32, ru_isrss); 147 CP(*s, *s32, ru_minflt); 148 CP(*s, *s32, ru_majflt); 149 CP(*s, *s32, ru_nswap); 150 CP(*s, *s32, ru_inblock); 151 CP(*s, *s32, ru_oublock); 152 CP(*s, *s32, ru_msgsnd); 153 CP(*s, *s32, ru_msgrcv); 154 CP(*s, *s32, ru_nsignals); 155 CP(*s, *s32, ru_nvcsw); 156 CP(*s, *s32, ru_nivcsw); 157} 158 159int 160freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 161{ 162 int error, status; 163 struct rusage32 ru32; 164 struct rusage ru, *rup; 165 166 if (uap->rusage != NULL) 167 rup = &ru; 168 else 169 rup = NULL; 170 error = kern_wait(td, uap->pid, &status, uap->options, rup); 171 if (error) 172 return (error); 173 if (uap->status != NULL) 174 error = copyout(&status, uap->status, sizeof(status)); 175 if (uap->rusage != NULL && error == 0) { 176 freebsd32_rusage_out(&ru, &ru32); 177 error = copyout(&ru32, uap->rusage, sizeof(ru32)); 178 } 179 return (error); 180} 181 182int 183freebsd32_wait6(struct thread *td, struct freebsd32_wait6_args *uap) 184{ 185 struct wrusage32 wru32; 186 struct __wrusage wru, *wrup; 187 struct siginfo32 si32; 188 struct __siginfo si, *sip; 189 int error, status; 190 191 if (uap->wrusage != NULL) 192 wrup = &wru; 193 else 194 wrup = NULL; 195 if (uap->info != NULL) { 196 sip = &si; 197 bzero(sip, sizeof(*sip)); 198 } else 199 sip = NULL; 200 error = kern_wait6(td, uap->idtype, PAIR32TO64(id_t, uap->id), 201 &status, uap->options, wrup, sip); 202 if (error != 0) 203 return (error); 204 if (uap->status != NULL) 205 error = copyout(&status, uap->status, sizeof(status)); 206 if (uap->wrusage != NULL && error == 0) { 207 freebsd32_rusage_out(&wru.wru_self, &wru32.wru_self); 208 freebsd32_rusage_out(&wru.wru_children, &wru32.wru_children); 209 error = copyout(&wru32, uap->wrusage, sizeof(wru32)); 210 } 211 if (uap->info != NULL && error == 0) { 212 siginfo_to_siginfo32 (&si, &si32); 213 error = copyout(&si32, uap->info, sizeof(si32)); 214 } 215 return (error); 216} 217 218#ifdef COMPAT_FREEBSD4 219static void 220copy_statfs(struct statfs *in, struct statfs32 *out) 221{ 222 223 statfs_scale_blocks(in, INT32_MAX); 224 bzero(out, sizeof(*out)); 225 CP(*in, *out, f_bsize); 226 out->f_iosize = MIN(in->f_iosize, INT32_MAX); 227 CP(*in, *out, f_blocks); 228 CP(*in, *out, f_bfree); 229 CP(*in, *out, f_bavail); 230 out->f_files = MIN(in->f_files, INT32_MAX); 231 out->f_ffree = MIN(in->f_ffree, INT32_MAX); 232 CP(*in, *out, f_fsid); 233 CP(*in, *out, f_owner); 234 CP(*in, *out, f_type); 235 CP(*in, *out, f_flags); 236 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 237 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 238 strlcpy(out->f_fstypename, 239 in->f_fstypename, MFSNAMELEN); 240 strlcpy(out->f_mntonname, 241 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 242 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 243 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 244 strlcpy(out->f_mntfromname, 245 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 246} 247#endif 248 249#ifdef COMPAT_FREEBSD4 250int 251freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap) 252{ 253 struct statfs *buf, *sp; 254 struct statfs32 stat32; 255 size_t count, size; 256 int error; 257 258 count = uap->bufsize / sizeof(struct statfs32); 259 size = count * sizeof(struct statfs); 260 error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 261 if (size > 0) { 262 count = td->td_retval[0]; 263 sp = buf; 264 while (count > 0 && error == 0) { 265 copy_statfs(sp, &stat32); 266 error = copyout(&stat32, uap->buf, sizeof(stat32)); 267 sp++; 268 uap->buf++; 269 count--; 270 } 271 free(buf, M_TEMP); 272 } 273 return (error); 274} 275#endif 276 277int 278freebsd32_sigaltstack(struct thread *td, 279 struct freebsd32_sigaltstack_args *uap) 280{ 281 struct sigaltstack32 s32; 282 struct sigaltstack ss, oss, *ssp; 283 int error; 284 285 if (uap->ss != NULL) { 286 error = copyin(uap->ss, &s32, sizeof(s32)); 287 if (error) 288 return (error); 289 PTRIN_CP(s32, ss, ss_sp); 290 CP(s32, ss, ss_size); 291 CP(s32, ss, ss_flags); 292 ssp = &ss; 293 } else 294 ssp = NULL; 295 error = kern_sigaltstack(td, ssp, &oss); 296 if (error == 0 && uap->oss != NULL) { 297 PTROUT_CP(oss, s32, ss_sp); 298 CP(oss, s32, ss_size); 299 CP(oss, s32, ss_flags); 300 error = copyout(&s32, uap->oss, sizeof(s32)); 301 } 302 return (error); 303} 304 305/* 306 * Custom version of exec_copyin_args() so that we can translate 307 * the pointers. 308 */ 309int 310freebsd32_exec_copyin_args(struct image_args *args, char *fname, 311 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 312{ 313 char *argp, *envp; 314 u_int32_t *p32, arg; 315 size_t length; 316 int error; 317 318 bzero(args, sizeof(*args)); 319 if (argv == NULL) 320 return (EFAULT); 321 322 /* 323 * Allocate demand-paged memory for the file name, argument, and 324 * environment strings. 325 */ 326 error = exec_alloc_args(args); 327 if (error != 0) 328 return (error); 329 330 /* 331 * Copy the file name. 332 */ 333 if (fname != NULL) { 334 args->fname = args->buf; 335 error = (segflg == UIO_SYSSPACE) ? 336 copystr(fname, args->fname, PATH_MAX, &length) : 337 copyinstr(fname, args->fname, PATH_MAX, &length); 338 if (error != 0) 339 goto err_exit; 340 } else 341 length = 0; 342 343 args->begin_argv = args->buf + length; 344 args->endp = args->begin_argv; 345 args->stringspace = ARG_MAX; 346 347 /* 348 * extract arguments first 349 */ 350 p32 = argv; 351 for (;;) { 352 error = copyin(p32++, &arg, sizeof(arg)); 353 if (error) 354 goto err_exit; 355 if (arg == 0) 356 break; 357 argp = PTRIN(arg); 358 error = copyinstr(argp, args->endp, args->stringspace, &length); 359 if (error) { 360 if (error == ENAMETOOLONG) 361 error = E2BIG; 362 goto err_exit; 363 } 364 args->stringspace -= length; 365 args->endp += length; 366 args->argc++; 367 } 368 369 args->begin_envv = args->endp; 370 371 /* 372 * extract environment strings 373 */ 374 if (envv) { 375 p32 = envv; 376 for (;;) { 377 error = copyin(p32++, &arg, sizeof(arg)); 378 if (error) 379 goto err_exit; 380 if (arg == 0) 381 break; 382 envp = PTRIN(arg); 383 error = copyinstr(envp, args->endp, args->stringspace, 384 &length); 385 if (error) { 386 if (error == ENAMETOOLONG) 387 error = E2BIG; 388 goto err_exit; 389 } 390 args->stringspace -= length; 391 args->endp += length; 392 args->envc++; 393 } 394 } 395 396 return (0); 397 398err_exit: 399 exec_free_args(args); 400 return (error); 401} 402 403int 404freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 405{ 406 struct image_args eargs; 407 int error; 408 409 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 410 uap->argv, uap->envv); 411 if (error == 0) 412 error = kern_execve(td, &eargs, NULL); 413 return (error); 414} 415 416int 417freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 418{ 419 struct image_args eargs; 420 int error; 421 422 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 423 uap->argv, uap->envv); 424 if (error == 0) { 425 eargs.fd = uap->fd; 426 error = kern_execve(td, &eargs, NULL); 427 } 428 return (error); 429} 430 431#ifdef __ia64__ 432static int 433freebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, 434 int prot, int fd, off_t pos) 435{ 436 vm_map_t map; 437 vm_map_entry_t entry; 438 int rv; 439 440 map = &td->td_proc->p_vmspace->vm_map; 441 if (fd != -1) 442 prot |= VM_PROT_WRITE; 443 444 if (vm_map_lookup_entry(map, start, &entry)) { 445 if ((entry->protection & prot) != prot) { 446 rv = vm_map_protect(map, 447 trunc_page(start), 448 round_page(end), 449 entry->protection | prot, 450 FALSE); 451 if (rv != KERN_SUCCESS) 452 return (EINVAL); 453 } 454 } else { 455 vm_offset_t addr = trunc_page(start); 456 rv = vm_map_find(map, NULL, 0, &addr, PAGE_SIZE, 0, 457 VMFS_NO_SPACE, prot, VM_PROT_ALL, 0); 458 if (rv != KERN_SUCCESS) 459 return (EINVAL); 460 } 461 462 if (fd != -1) { 463 struct pread_args r; 464 r.fd = fd; 465 r.buf = (void *) start; 466 r.nbyte = end - start; 467 r.offset = pos; 468 return (sys_pread(td, &r)); 469 } else { 470 while (start < end) { 471 subyte((void *) start, 0); 472 start++; 473 } 474 return (0); 475 } 476} 477#endif 478 479int 480freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap) 481{ 482 struct mprotect_args ap; 483 484 ap.addr = PTRIN(uap->addr); 485 ap.len = uap->len; 486 ap.prot = uap->prot; 487#if defined(__amd64__) || defined(__ia64__) 488 if (i386_read_exec && (ap.prot & PROT_READ) != 0) 489 ap.prot |= PROT_EXEC; 490#endif 491 return (sys_mprotect(td, &ap)); 492} 493 494int 495freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 496{ 497 struct mmap_args ap; 498 vm_offset_t addr = (vm_offset_t) uap->addr; 499 vm_size_t len = uap->len; 500 int prot = uap->prot; 501 int flags = uap->flags; 502 int fd = uap->fd; 503 off_t pos = PAIR32TO64(off_t,uap->pos); 504#ifdef __ia64__ 505 vm_size_t pageoff; 506 int error; 507 508 /* 509 * Attempt to handle page size hassles. 510 */ 511 pageoff = (pos & PAGE_MASK); 512 if (flags & MAP_FIXED) { 513 vm_offset_t start, end; 514 start = addr; 515 end = addr + len; 516 517 if (start != trunc_page(start)) { 518 error = freebsd32_mmap_partial(td, start, 519 round_page(start), prot, 520 fd, pos); 521 if (fd != -1) 522 pos += round_page(start) - start; 523 start = round_page(start); 524 } 525 if (end != round_page(end)) { 526 vm_offset_t t = trunc_page(end); 527 error = freebsd32_mmap_partial(td, t, end, 528 prot, fd, 529 pos + t - start); 530 end = trunc_page(end); 531 } 532 if (end > start && fd != -1 && (pos & PAGE_MASK)) { 533 /* 534 * We can't map this region at all. The specified 535 * address doesn't have the same alignment as the file 536 * position. Fake the mapping by simply reading the 537 * entire region into memory. First we need to make 538 * sure the region exists. 539 */ 540 vm_map_t map; 541 struct pread_args r; 542 int rv; 543 544 prot |= VM_PROT_WRITE; 545 map = &td->td_proc->p_vmspace->vm_map; 546 rv = vm_map_remove(map, start, end); 547 if (rv != KERN_SUCCESS) 548 return (EINVAL); 549 rv = vm_map_find(map, NULL, 0, &start, end - start, 550 0, VMFS_NO_SPACE, prot, VM_PROT_ALL, 0); 551 if (rv != KERN_SUCCESS) 552 return (EINVAL); 553 r.fd = fd; 554 r.buf = (void *) start; 555 r.nbyte = end - start; 556 r.offset = pos; 557 error = sys_pread(td, &r); 558 if (error) 559 return (error); 560 561 td->td_retval[0] = addr; 562 return (0); 563 } 564 if (end == start) { 565 /* 566 * After dealing with the ragged ends, there 567 * might be none left. 568 */ 569 td->td_retval[0] = addr; 570 return (0); 571 } 572 addr = start; 573 len = end - start; 574 } 575#endif 576 577#if defined(__amd64__) || defined(__ia64__) 578 if (i386_read_exec && (prot & PROT_READ)) 579 prot |= PROT_EXEC; 580#endif 581 582 ap.addr = (void *) addr; 583 ap.len = len; 584 ap.prot = prot; 585 ap.flags = flags; 586 ap.fd = fd; 587 ap.pos = pos; 588 589 return (sys_mmap(td, &ap)); 590} 591 592#ifdef COMPAT_FREEBSD6 593int 594freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 595{ 596 struct freebsd32_mmap_args ap; 597 598 ap.addr = uap->addr; 599 ap.len = uap->len; 600 ap.prot = uap->prot; 601 ap.flags = uap->flags; 602 ap.fd = uap->fd; 603 ap.pos1 = uap->pos1; 604 ap.pos2 = uap->pos2; 605 606 return (freebsd32_mmap(td, &ap)); 607} 608#endif 609 610int 611freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 612{ 613 struct itimerval itv, oitv, *itvp; 614 struct itimerval32 i32; 615 int error; 616 617 if (uap->itv != NULL) { 618 error = copyin(uap->itv, &i32, sizeof(i32)); 619 if (error) 620 return (error); 621 TV_CP(i32, itv, it_interval); 622 TV_CP(i32, itv, it_value); 623 itvp = &itv; 624 } else 625 itvp = NULL; 626 error = kern_setitimer(td, uap->which, itvp, &oitv); 627 if (error || uap->oitv == NULL) 628 return (error); 629 TV_CP(oitv, i32, it_interval); 630 TV_CP(oitv, i32, it_value); 631 return (copyout(&i32, uap->oitv, sizeof(i32))); 632} 633 634int 635freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 636{ 637 struct itimerval itv; 638 struct itimerval32 i32; 639 int error; 640 641 error = kern_getitimer(td, uap->which, &itv); 642 if (error || uap->itv == NULL) 643 return (error); 644 TV_CP(itv, i32, it_interval); 645 TV_CP(itv, i32, it_value); 646 return (copyout(&i32, uap->itv, sizeof(i32))); 647} 648 649int 650freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 651{ 652 struct timeval32 tv32; 653 struct timeval tv, *tvp; 654 int error; 655 656 if (uap->tv != NULL) { 657 error = copyin(uap->tv, &tv32, sizeof(tv32)); 658 if (error) 659 return (error); 660 CP(tv32, tv, tv_sec); 661 CP(tv32, tv, tv_usec); 662 tvp = &tv; 663 } else 664 tvp = NULL; 665 /* 666 * XXX Do pointers need PTRIN()? 667 */ 668 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 669 sizeof(int32_t) * 8)); 670} 671 672int 673freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 674{ 675 struct timespec32 ts32; 676 struct timespec ts; 677 struct timeval tv, *tvp; 678 sigset_t set, *uset; 679 int error; 680 681 if (uap->ts != NULL) { 682 error = copyin(uap->ts, &ts32, sizeof(ts32)); 683 if (error != 0) 684 return (error); 685 CP(ts32, ts, tv_sec); 686 CP(ts32, ts, tv_nsec); 687 TIMESPEC_TO_TIMEVAL(&tv, &ts); 688 tvp = &tv; 689 } else 690 tvp = NULL; 691 if (uap->sm != NULL) { 692 error = copyin(uap->sm, &set, sizeof(set)); 693 if (error != 0) 694 return (error); 695 uset = &set; 696 } else 697 uset = NULL; 698 /* 699 * XXX Do pointers need PTRIN()? 700 */ 701 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 702 uset, sizeof(int32_t) * 8); 703 return (error); 704} 705 706/* 707 * Copy 'count' items into the destination list pointed to by uap->eventlist. 708 */ 709static int 710freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 711{ 712 struct freebsd32_kevent_args *uap; 713 struct kevent32 ks32[KQ_NEVENTS]; 714 int i, error = 0; 715 716 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 717 uap = (struct freebsd32_kevent_args *)arg; 718 719 for (i = 0; i < count; i++) { 720 CP(kevp[i], ks32[i], ident); 721 CP(kevp[i], ks32[i], filter); 722 CP(kevp[i], ks32[i], flags); 723 CP(kevp[i], ks32[i], fflags); 724 CP(kevp[i], ks32[i], data); 725 PTROUT_CP(kevp[i], ks32[i], udata); 726 } 727 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 728 if (error == 0) 729 uap->eventlist += count; 730 return (error); 731} 732 733/* 734 * Copy 'count' items from the list pointed to by uap->changelist. 735 */ 736static int 737freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 738{ 739 struct freebsd32_kevent_args *uap; 740 struct kevent32 ks32[KQ_NEVENTS]; 741 int i, error = 0; 742 743 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 744 uap = (struct freebsd32_kevent_args *)arg; 745 746 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 747 if (error) 748 goto done; 749 uap->changelist += count; 750 751 for (i = 0; i < count; i++) { 752 CP(ks32[i], kevp[i], ident); 753 CP(ks32[i], kevp[i], filter); 754 CP(ks32[i], kevp[i], flags); 755 CP(ks32[i], kevp[i], fflags); 756 CP(ks32[i], kevp[i], data); 757 PTRIN_CP(ks32[i], kevp[i], udata); 758 } 759done: 760 return (error); 761} 762 763int 764freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 765{ 766 struct timespec32 ts32; 767 struct timespec ts, *tsp; 768 struct kevent_copyops k_ops = { uap, 769 freebsd32_kevent_copyout, 770 freebsd32_kevent_copyin}; 771 int error; 772 773 774 if (uap->timeout) { 775 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 776 if (error) 777 return (error); 778 CP(ts32, ts, tv_sec); 779 CP(ts32, ts, tv_nsec); 780 tsp = &ts; 781 } else 782 tsp = NULL; 783 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 784 &k_ops, tsp); 785 return (error); 786} 787 788int 789freebsd32_gettimeofday(struct thread *td, 790 struct freebsd32_gettimeofday_args *uap) 791{ 792 struct timeval atv; 793 struct timeval32 atv32; 794 struct timezone rtz; 795 int error = 0; 796 797 if (uap->tp) { 798 microtime(&atv); 799 CP(atv, atv32, tv_sec); 800 CP(atv, atv32, tv_usec); 801 error = copyout(&atv32, uap->tp, sizeof (atv32)); 802 } 803 if (error == 0 && uap->tzp != NULL) { 804 rtz.tz_minuteswest = tz_minuteswest; 805 rtz.tz_dsttime = tz_dsttime; 806 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 807 } 808 return (error); 809} 810 811int 812freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 813{ 814 struct rusage32 s32; 815 struct rusage s; 816 int error; 817 818 error = kern_getrusage(td, uap->who, &s); 819 if (error) 820 return (error); 821 if (uap->rusage != NULL) { 822 freebsd32_rusage_out(&s, &s32); 823 error = copyout(&s32, uap->rusage, sizeof(s32)); 824 } 825 return (error); 826} 827 828static int 829freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 830{ 831 struct iovec32 iov32; 832 struct iovec *iov; 833 struct uio *uio; 834 u_int iovlen; 835 int error, i; 836 837 *uiop = NULL; 838 if (iovcnt > UIO_MAXIOV) 839 return (EINVAL); 840 iovlen = iovcnt * sizeof(struct iovec); 841 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 842 iov = (struct iovec *)(uio + 1); 843 for (i = 0; i < iovcnt; i++) { 844 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 845 if (error) { 846 free(uio, M_IOV); 847 return (error); 848 } 849 iov[i].iov_base = PTRIN(iov32.iov_base); 850 iov[i].iov_len = iov32.iov_len; 851 } 852 uio->uio_iov = iov; 853 uio->uio_iovcnt = iovcnt; 854 uio->uio_segflg = UIO_USERSPACE; 855 uio->uio_offset = -1; 856 uio->uio_resid = 0; 857 for (i = 0; i < iovcnt; i++) { 858 if (iov->iov_len > INT_MAX - uio->uio_resid) { 859 free(uio, M_IOV); 860 return (EINVAL); 861 } 862 uio->uio_resid += iov->iov_len; 863 iov++; 864 } 865 *uiop = uio; 866 return (0); 867} 868 869int 870freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 871{ 872 struct uio *auio; 873 int error; 874 875 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 876 if (error) 877 return (error); 878 error = kern_readv(td, uap->fd, auio); 879 free(auio, M_IOV); 880 return (error); 881} 882 883int 884freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 885{ 886 struct uio *auio; 887 int error; 888 889 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 890 if (error) 891 return (error); 892 error = kern_writev(td, uap->fd, auio); 893 free(auio, M_IOV); 894 return (error); 895} 896 897int 898freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 899{ 900 struct uio *auio; 901 int error; 902 903 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 904 if (error) 905 return (error); 906 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 907 free(auio, M_IOV); 908 return (error); 909} 910 911int 912freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 913{ 914 struct uio *auio; 915 int error; 916 917 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 918 if (error) 919 return (error); 920 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 921 free(auio, M_IOV); 922 return (error); 923} 924 925int 926freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 927 int error) 928{ 929 struct iovec32 iov32; 930 struct iovec *iov; 931 u_int iovlen; 932 int i; 933 934 *iovp = NULL; 935 if (iovcnt > UIO_MAXIOV) 936 return (error); 937 iovlen = iovcnt * sizeof(struct iovec); 938 iov = malloc(iovlen, M_IOV, M_WAITOK); 939 for (i = 0; i < iovcnt; i++) { 940 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 941 if (error) { 942 free(iov, M_IOV); 943 return (error); 944 } 945 iov[i].iov_base = PTRIN(iov32.iov_base); 946 iov[i].iov_len = iov32.iov_len; 947 } 948 *iovp = iov; 949 return (0); 950} 951 952static int 953freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 954{ 955 struct msghdr32 m32; 956 int error; 957 958 error = copyin(msg32, &m32, sizeof(m32)); 959 if (error) 960 return (error); 961 msg->msg_name = PTRIN(m32.msg_name); 962 msg->msg_namelen = m32.msg_namelen; 963 msg->msg_iov = PTRIN(m32.msg_iov); 964 msg->msg_iovlen = m32.msg_iovlen; 965 msg->msg_control = PTRIN(m32.msg_control); 966 msg->msg_controllen = m32.msg_controllen; 967 msg->msg_flags = m32.msg_flags; 968 return (0); 969} 970 971static int 972freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 973{ 974 struct msghdr32 m32; 975 int error; 976 977 m32.msg_name = PTROUT(msg->msg_name); 978 m32.msg_namelen = msg->msg_namelen; 979 m32.msg_iov = PTROUT(msg->msg_iov); 980 m32.msg_iovlen = msg->msg_iovlen; 981 m32.msg_control = PTROUT(msg->msg_control); 982 m32.msg_controllen = msg->msg_controllen; 983 m32.msg_flags = msg->msg_flags; 984 error = copyout(&m32, msg32, sizeof(m32)); 985 return (error); 986} 987 988#ifndef __mips__ 989#define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 990#else 991#define FREEBSD32_ALIGNBYTES (sizeof(long) - 1) 992#endif 993#define FREEBSD32_ALIGN(p) \ 994 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 995#define FREEBSD32_CMSG_SPACE(l) \ 996 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 997 998#define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 999 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 1000static int 1001freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 1002{ 1003 struct cmsghdr *cm; 1004 void *data; 1005 socklen_t clen, datalen; 1006 int error; 1007 caddr_t ctlbuf; 1008 int len, maxlen, copylen; 1009 struct mbuf *m; 1010 error = 0; 1011 1012 len = msg->msg_controllen; 1013 maxlen = msg->msg_controllen; 1014 msg->msg_controllen = 0; 1015 1016 m = control; 1017 ctlbuf = msg->msg_control; 1018 1019 while (m && len > 0) { 1020 cm = mtod(m, struct cmsghdr *); 1021 clen = m->m_len; 1022 1023 while (cm != NULL) { 1024 1025 if (sizeof(struct cmsghdr) > clen || 1026 cm->cmsg_len > clen) { 1027 error = EINVAL; 1028 break; 1029 } 1030 1031 data = CMSG_DATA(cm); 1032 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1033 1034 /* Adjust message length */ 1035 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 1036 datalen; 1037 1038 1039 /* Copy cmsghdr */ 1040 copylen = sizeof(struct cmsghdr); 1041 if (len < copylen) { 1042 msg->msg_flags |= MSG_CTRUNC; 1043 copylen = len; 1044 } 1045 1046 error = copyout(cm,ctlbuf,copylen); 1047 if (error) 1048 goto exit; 1049 1050 ctlbuf += FREEBSD32_ALIGN(copylen); 1051 len -= FREEBSD32_ALIGN(copylen); 1052 1053 if (len <= 0) 1054 break; 1055 1056 /* Copy data */ 1057 copylen = datalen; 1058 if (len < copylen) { 1059 msg->msg_flags |= MSG_CTRUNC; 1060 copylen = len; 1061 } 1062 1063 error = copyout(data,ctlbuf,copylen); 1064 if (error) 1065 goto exit; 1066 1067 ctlbuf += FREEBSD32_ALIGN(copylen); 1068 len -= FREEBSD32_ALIGN(copylen); 1069 1070 if (CMSG_SPACE(datalen) < clen) { 1071 clen -= CMSG_SPACE(datalen); 1072 cm = (struct cmsghdr *) 1073 ((caddr_t)cm + CMSG_SPACE(datalen)); 1074 } else { 1075 clen = 0; 1076 cm = NULL; 1077 } 1078 } 1079 m = m->m_next; 1080 } 1081 1082 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 1083 1084exit: 1085 return (error); 1086 1087} 1088 1089int 1090freebsd32_recvmsg(td, uap) 1091 struct thread *td; 1092 struct freebsd32_recvmsg_args /* { 1093 int s; 1094 struct msghdr32 *msg; 1095 int flags; 1096 } */ *uap; 1097{ 1098 struct msghdr msg; 1099 struct msghdr32 m32; 1100 struct iovec *uiov, *iov; 1101 struct mbuf *control = NULL; 1102 struct mbuf **controlp; 1103 1104 int error; 1105 error = copyin(uap->msg, &m32, sizeof(m32)); 1106 if (error) 1107 return (error); 1108 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1109 if (error) 1110 return (error); 1111 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1112 EMSGSIZE); 1113 if (error) 1114 return (error); 1115 msg.msg_flags = uap->flags; 1116 uiov = msg.msg_iov; 1117 msg.msg_iov = iov; 1118 1119 controlp = (msg.msg_control != NULL) ? &control : NULL; 1120 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1121 if (error == 0) { 1122 msg.msg_iov = uiov; 1123 1124 if (control != NULL) 1125 error = freebsd32_copy_msg_out(&msg, control); 1126 else 1127 msg.msg_controllen = 0; 1128 1129 if (error == 0) 1130 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1131 } 1132 free(iov, M_IOV); 1133 1134 if (control != NULL) 1135 m_freem(control); 1136 1137 return (error); 1138} 1139 1140 1141static int 1142freebsd32_convert_msg_in(struct mbuf **controlp) 1143{ 1144 struct mbuf *control = *controlp; 1145 struct cmsghdr *cm = mtod(control, struct cmsghdr *); 1146 void *data; 1147 socklen_t clen = control->m_len, datalen; 1148 int error; 1149 1150 error = 0; 1151 *controlp = NULL; 1152 1153 while (cm != NULL) { 1154 if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) { 1155 error = EINVAL; 1156 break; 1157 } 1158 1159 data = FREEBSD32_CMSG_DATA(cm); 1160 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1161 1162 *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type, 1163 cm->cmsg_level); 1164 controlp = &(*controlp)->m_next; 1165 1166 if (FREEBSD32_CMSG_SPACE(datalen) < clen) { 1167 clen -= FREEBSD32_CMSG_SPACE(datalen); 1168 cm = (struct cmsghdr *) 1169 ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen)); 1170 } else { 1171 clen = 0; 1172 cm = NULL; 1173 } 1174 } 1175 1176 m_freem(control); 1177 return (error); 1178} 1179 1180 1181int 1182freebsd32_sendmsg(struct thread *td, 1183 struct freebsd32_sendmsg_args *uap) 1184{ 1185 struct msghdr msg; 1186 struct msghdr32 m32; 1187 struct iovec *iov; 1188 struct mbuf *control = NULL; 1189 struct sockaddr *to = NULL; 1190 int error; 1191 1192 error = copyin(uap->msg, &m32, sizeof(m32)); 1193 if (error) 1194 return (error); 1195 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1196 if (error) 1197 return (error); 1198 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1199 EMSGSIZE); 1200 if (error) 1201 return (error); 1202 msg.msg_iov = iov; 1203 if (msg.msg_name != NULL) { 1204 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1205 if (error) { 1206 to = NULL; 1207 goto out; 1208 } 1209 msg.msg_name = to; 1210 } 1211 1212 if (msg.msg_control) { 1213 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1214 error = EINVAL; 1215 goto out; 1216 } 1217 1218 error = sockargs(&control, msg.msg_control, 1219 msg.msg_controllen, MT_CONTROL); 1220 if (error) 1221 goto out; 1222 1223 error = freebsd32_convert_msg_in(&control); 1224 if (error) 1225 goto out; 1226 } 1227 1228 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1229 UIO_USERSPACE); 1230 1231out: 1232 free(iov, M_IOV); 1233 if (to) 1234 free(to, M_SONAME); 1235 return (error); 1236} 1237 1238int 1239freebsd32_recvfrom(struct thread *td, 1240 struct freebsd32_recvfrom_args *uap) 1241{ 1242 struct msghdr msg; 1243 struct iovec aiov; 1244 int error; 1245 1246 if (uap->fromlenaddr) { 1247 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1248 sizeof(msg.msg_namelen)); 1249 if (error) 1250 return (error); 1251 } else { 1252 msg.msg_namelen = 0; 1253 } 1254 1255 msg.msg_name = PTRIN(uap->from); 1256 msg.msg_iov = &aiov; 1257 msg.msg_iovlen = 1; 1258 aiov.iov_base = PTRIN(uap->buf); 1259 aiov.iov_len = uap->len; 1260 msg.msg_control = NULL; 1261 msg.msg_flags = uap->flags; 1262 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1263 if (error == 0 && uap->fromlenaddr) 1264 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1265 sizeof (msg.msg_namelen)); 1266 return (error); 1267} 1268 1269int 1270freebsd32_settimeofday(struct thread *td, 1271 struct freebsd32_settimeofday_args *uap) 1272{ 1273 struct timeval32 tv32; 1274 struct timeval tv, *tvp; 1275 struct timezone tz, *tzp; 1276 int error; 1277 1278 if (uap->tv) { 1279 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1280 if (error) 1281 return (error); 1282 CP(tv32, tv, tv_sec); 1283 CP(tv32, tv, tv_usec); 1284 tvp = &tv; 1285 } else 1286 tvp = NULL; 1287 if (uap->tzp) { 1288 error = copyin(uap->tzp, &tz, sizeof(tz)); 1289 if (error) 1290 return (error); 1291 tzp = &tz; 1292 } else 1293 tzp = NULL; 1294 return (kern_settimeofday(td, tvp, tzp)); 1295} 1296 1297int 1298freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1299{ 1300 struct timeval32 s32[2]; 1301 struct timeval s[2], *sp; 1302 int error; 1303 1304 if (uap->tptr != NULL) { 1305 error = copyin(uap->tptr, s32, sizeof(s32)); 1306 if (error) 1307 return (error); 1308 CP(s32[0], s[0], tv_sec); 1309 CP(s32[0], s[0], tv_usec); 1310 CP(s32[1], s[1], tv_sec); 1311 CP(s32[1], s[1], tv_usec); 1312 sp = s; 1313 } else 1314 sp = NULL; 1315 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1316} 1317 1318int 1319freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1320{ 1321 struct timeval32 s32[2]; 1322 struct timeval s[2], *sp; 1323 int error; 1324 1325 if (uap->tptr != NULL) { 1326 error = copyin(uap->tptr, s32, sizeof(s32)); 1327 if (error) 1328 return (error); 1329 CP(s32[0], s[0], tv_sec); 1330 CP(s32[0], s[0], tv_usec); 1331 CP(s32[1], s[1], tv_sec); 1332 CP(s32[1], s[1], tv_usec); 1333 sp = s; 1334 } else 1335 sp = NULL; 1336 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1337} 1338 1339int 1340freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1341{ 1342 struct timeval32 s32[2]; 1343 struct timeval s[2], *sp; 1344 int error; 1345 1346 if (uap->tptr != NULL) { 1347 error = copyin(uap->tptr, s32, sizeof(s32)); 1348 if (error) 1349 return (error); 1350 CP(s32[0], s[0], tv_sec); 1351 CP(s32[0], s[0], tv_usec); 1352 CP(s32[1], s[1], tv_sec); 1353 CP(s32[1], s[1], tv_usec); 1354 sp = s; 1355 } else 1356 sp = NULL; 1357 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1358} 1359 1360int 1361freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1362{ 1363 struct timeval32 s32[2]; 1364 struct timeval s[2], *sp; 1365 int error; 1366 1367 if (uap->times != NULL) { 1368 error = copyin(uap->times, s32, sizeof(s32)); 1369 if (error) 1370 return (error); 1371 CP(s32[0], s[0], tv_sec); 1372 CP(s32[0], s[0], tv_usec); 1373 CP(s32[1], s[1], tv_sec); 1374 CP(s32[1], s[1], tv_usec); 1375 sp = s; 1376 } else 1377 sp = NULL; 1378 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1379 sp, UIO_SYSSPACE)); 1380} 1381 1382int 1383freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1384{ 1385 struct timeval32 tv32; 1386 struct timeval delta, olddelta, *deltap; 1387 int error; 1388 1389 if (uap->delta) { 1390 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1391 if (error) 1392 return (error); 1393 CP(tv32, delta, tv_sec); 1394 CP(tv32, delta, tv_usec); 1395 deltap = δ 1396 } else 1397 deltap = NULL; 1398 error = kern_adjtime(td, deltap, &olddelta); 1399 if (uap->olddelta && error == 0) { 1400 CP(olddelta, tv32, tv_sec); 1401 CP(olddelta, tv32, tv_usec); 1402 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1403 } 1404 return (error); 1405} 1406 1407#ifdef COMPAT_FREEBSD4 1408int 1409freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1410{ 1411 struct statfs32 s32; 1412 struct statfs s; 1413 int error; 1414 1415 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1416 if (error) 1417 return (error); 1418 copy_statfs(&s, &s32); 1419 return (copyout(&s32, uap->buf, sizeof(s32))); 1420} 1421#endif 1422 1423#ifdef COMPAT_FREEBSD4 1424int 1425freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1426{ 1427 struct statfs32 s32; 1428 struct statfs s; 1429 int error; 1430 1431 error = kern_fstatfs(td, uap->fd, &s); 1432 if (error) 1433 return (error); 1434 copy_statfs(&s, &s32); 1435 return (copyout(&s32, uap->buf, sizeof(s32))); 1436} 1437#endif 1438 1439#ifdef COMPAT_FREEBSD4 1440int 1441freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1442{ 1443 struct statfs32 s32; 1444 struct statfs s; 1445 fhandle_t fh; 1446 int error; 1447 1448 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1449 return (error); 1450 error = kern_fhstatfs(td, fh, &s); 1451 if (error) 1452 return (error); 1453 copy_statfs(&s, &s32); 1454 return (copyout(&s32, uap->buf, sizeof(s32))); 1455} 1456#endif 1457 1458int 1459freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1460{ 1461 struct pread_args ap; 1462 1463 ap.fd = uap->fd; 1464 ap.buf = uap->buf; 1465 ap.nbyte = uap->nbyte; 1466 ap.offset = PAIR32TO64(off_t,uap->offset); 1467 return (sys_pread(td, &ap)); 1468} 1469 1470int 1471freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1472{ 1473 struct pwrite_args ap; 1474 1475 ap.fd = uap->fd; 1476 ap.buf = uap->buf; 1477 ap.nbyte = uap->nbyte; 1478 ap.offset = PAIR32TO64(off_t,uap->offset); 1479 return (sys_pwrite(td, &ap)); 1480} 1481 1482#ifdef COMPAT_43 1483int 1484ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap) 1485{ 1486 struct lseek_args nuap; 1487 1488 nuap.fd = uap->fd; 1489 nuap.offset = uap->offset; 1490 nuap.whence = uap->whence; 1491 return (sys_lseek(td, &nuap)); 1492} 1493#endif 1494 1495int 1496freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1497{ 1498 int error; 1499 struct lseek_args ap; 1500 off_t pos; 1501 1502 ap.fd = uap->fd; 1503 ap.offset = PAIR32TO64(off_t,uap->offset); 1504 ap.whence = uap->whence; 1505 error = sys_lseek(td, &ap); 1506 /* Expand the quad return into two parts for eax and edx */ 1507 pos = td->td_uretoff.tdu_off; 1508 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1509 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1510 return error; 1511} 1512 1513int 1514freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1515{ 1516 struct truncate_args ap; 1517 1518 ap.path = uap->path; 1519 ap.length = PAIR32TO64(off_t,uap->length); 1520 return (sys_truncate(td, &ap)); 1521} 1522 1523int 1524freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1525{ 1526 struct ftruncate_args ap; 1527 1528 ap.fd = uap->fd; 1529 ap.length = PAIR32TO64(off_t,uap->length); 1530 return (sys_ftruncate(td, &ap)); 1531} 1532 1533#ifdef COMPAT_43 1534int 1535ofreebsd32_getdirentries(struct thread *td, 1536 struct ofreebsd32_getdirentries_args *uap) 1537{ 1538 struct ogetdirentries_args ap; 1539 int error; 1540 long loff; 1541 int32_t loff_cut; 1542 1543 ap.fd = uap->fd; 1544 ap.buf = uap->buf; 1545 ap.count = uap->count; 1546 ap.basep = NULL; 1547 error = kern_ogetdirentries(td, &ap, &loff); 1548 if (error == 0) { 1549 loff_cut = loff; 1550 error = copyout(&loff_cut, uap->basep, sizeof(int32_t)); 1551 } 1552 return (error); 1553} 1554#endif 1555 1556int 1557freebsd32_getdirentries(struct thread *td, 1558 struct freebsd32_getdirentries_args *uap) 1559{ 1560 long base; 1561 int32_t base32; 1562 int error; 1563 1564 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base, 1565 NULL, UIO_USERSPACE); 1566 if (error) 1567 return (error); 1568 if (uap->basep != NULL) { 1569 base32 = base; 1570 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1571 } 1572 return (error); 1573} 1574 1575#ifdef COMPAT_FREEBSD6 1576/* versions with the 'int pad' argument */ 1577int 1578freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1579{ 1580 struct pread_args ap; 1581 1582 ap.fd = uap->fd; 1583 ap.buf = uap->buf; 1584 ap.nbyte = uap->nbyte; 1585 ap.offset = PAIR32TO64(off_t,uap->offset); 1586 return (sys_pread(td, &ap)); 1587} 1588 1589int 1590freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1591{ 1592 struct pwrite_args ap; 1593 1594 ap.fd = uap->fd; 1595 ap.buf = uap->buf; 1596 ap.nbyte = uap->nbyte; 1597 ap.offset = PAIR32TO64(off_t,uap->offset); 1598 return (sys_pwrite(td, &ap)); 1599} 1600 1601int 1602freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1603{ 1604 int error; 1605 struct lseek_args ap; 1606 off_t pos; 1607 1608 ap.fd = uap->fd; 1609 ap.offset = PAIR32TO64(off_t,uap->offset); 1610 ap.whence = uap->whence; 1611 error = sys_lseek(td, &ap); 1612 /* Expand the quad return into two parts for eax and edx */ 1613 pos = *(off_t *)(td->td_retval); 1614 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1615 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1616 return error; 1617} 1618 1619int 1620freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1621{ 1622 struct truncate_args ap; 1623 1624 ap.path = uap->path; 1625 ap.length = PAIR32TO64(off_t,uap->length); 1626 return (sys_truncate(td, &ap)); 1627} 1628 1629int 1630freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1631{ 1632 struct ftruncate_args ap; 1633 1634 ap.fd = uap->fd; 1635 ap.length = PAIR32TO64(off_t,uap->length); 1636 return (sys_ftruncate(td, &ap)); 1637} 1638#endif /* COMPAT_FREEBSD6 */ 1639 1640struct sf_hdtr32 { 1641 uint32_t headers; 1642 int hdr_cnt; 1643 uint32_t trailers; 1644 int trl_cnt; 1645}; 1646 1647struct sf_hdtr_kq32 { 1648 int kq_fd; 1649 uint32_t kq_flags; 1650 uint32_t kq_udata; /* 32-bit void ptr */ 1651 uint32_t kq_ident; /* 32-bit uintptr_t */ 1652}; 1653 1654static int 1655freebsd32_do_sendfile(struct thread *td, 1656 struct freebsd32_sendfile_args *uap, int compat) 1657{ 1658 struct sf_hdtr32 hdtr32; 1659 struct sf_hdtr hdtr; 1660 struct sf_hdtr_kq32 hdtr_kq32; 1661 struct sf_hdtr_kq hdtr_kq; 1662 struct uio *hdr_uio, *trl_uio; 1663 struct iovec32 *iov32; 1664 off_t offset; 1665 int error; 1666 off_t sbytes; 1667 1668 offset = PAIR32TO64(off_t, uap->offset); 1669 if (offset < 0) 1670 return (EINVAL); 1671 1672 hdr_uio = trl_uio = NULL; 1673 1674 if (uap->hdtr != NULL) { 1675 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1676 if (error) 1677 goto out; 1678 PTRIN_CP(hdtr32, hdtr, headers); 1679 CP(hdtr32, hdtr, hdr_cnt); 1680 PTRIN_CP(hdtr32, hdtr, trailers); 1681 CP(hdtr32, hdtr, trl_cnt); 1682 1683 if (hdtr.headers != NULL) { 1684 iov32 = PTRIN(hdtr32.headers); 1685 error = freebsd32_copyinuio(iov32, 1686 hdtr32.hdr_cnt, &hdr_uio); 1687 if (error) 1688 goto out; 1689 } 1690 if (hdtr.trailers != NULL) { 1691 iov32 = PTRIN(hdtr32.trailers); 1692 error = freebsd32_copyinuio(iov32, 1693 hdtr32.trl_cnt, &trl_uio); 1694 if (error) 1695 goto out; 1696 } 1697 1698 /* 1699 * If SF_KQUEUE is set, then we need to also copy in 1700 * the kqueue data after the normal hdtr set and set do_kqueue=1. 1701 */ 1702 if (uap->flags & SF_KQUEUE) { 1703 error = copyin(((char *) uap->hdtr) + sizeof(hdtr32), 1704 &hdtr_kq32, 1705 sizeof(hdtr_kq32)); 1706 if (error != 0) 1707 goto out; 1708 1709 /* 32->64 bit fields */ 1710 CP(hdtr_kq32, hdtr_kq, kq_fd); 1711 CP(hdtr_kq32, hdtr_kq, kq_flags); 1712 PTRIN_CP(hdtr_kq32, hdtr_kq, kq_udata); 1713 CP(hdtr_kq32, hdtr_kq, kq_ident); 1714 } 1715 } 1716 1717 1718 /* Call sendfile */ 1719 /* XXX stack depth! */ 1720 error = _do_sendfile(td, uap->fd, uap->s, uap->flags, compat, 1721 offset, uap->nbytes, &sbytes, hdr_uio, trl_uio, &hdtr_kq); 1722 1723 if (uap->sbytes != NULL) 1724 copyout(&sbytes, uap->sbytes, sizeof(off_t)); 1725 1726out: 1727 if (hdr_uio) 1728 free(hdr_uio, M_IOV); 1729 if (trl_uio) 1730 free(trl_uio, M_IOV); 1731 return (error); 1732} 1733 1734#ifdef COMPAT_FREEBSD4 1735int 1736freebsd4_freebsd32_sendfile(struct thread *td, 1737 struct freebsd4_freebsd32_sendfile_args *uap) 1738{ 1739 return (freebsd32_do_sendfile(td, 1740 (struct freebsd32_sendfile_args *)uap, 1)); 1741} 1742#endif 1743 1744int 1745freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1746{ 1747 1748 return (freebsd32_do_sendfile(td, uap, 0)); 1749} 1750 1751static void 1752copy_stat(struct stat *in, struct stat32 *out) 1753{ 1754 1755 CP(*in, *out, st_dev); 1756 CP(*in, *out, st_ino); 1757 CP(*in, *out, st_mode); 1758 CP(*in, *out, st_nlink); 1759 CP(*in, *out, st_uid); 1760 CP(*in, *out, st_gid); 1761 CP(*in, *out, st_rdev); 1762 TS_CP(*in, *out, st_atim); 1763 TS_CP(*in, *out, st_mtim); 1764 TS_CP(*in, *out, st_ctim); 1765 CP(*in, *out, st_size); 1766 CP(*in, *out, st_blocks); 1767 CP(*in, *out, st_blksize); 1768 CP(*in, *out, st_flags); 1769 CP(*in, *out, st_gen); 1770 TS_CP(*in, *out, st_birthtim); 1771} 1772 1773#ifdef COMPAT_43 1774static void 1775copy_ostat(struct stat *in, struct ostat32 *out) 1776{ 1777 1778 CP(*in, *out, st_dev); 1779 CP(*in, *out, st_ino); 1780 CP(*in, *out, st_mode); 1781 CP(*in, *out, st_nlink); 1782 CP(*in, *out, st_uid); 1783 CP(*in, *out, st_gid); 1784 CP(*in, *out, st_rdev); 1785 CP(*in, *out, st_size); 1786 TS_CP(*in, *out, st_atim); 1787 TS_CP(*in, *out, st_mtim); 1788 TS_CP(*in, *out, st_ctim); 1789 CP(*in, *out, st_blksize); 1790 CP(*in, *out, st_blocks); 1791 CP(*in, *out, st_flags); 1792 CP(*in, *out, st_gen); 1793} 1794#endif 1795 1796int 1797freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1798{ 1799 struct stat sb; 1800 struct stat32 sb32; 1801 int error; 1802 1803 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1804 if (error) 1805 return (error); 1806 copy_stat(&sb, &sb32); 1807 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1808 return (error); 1809} 1810 1811#ifdef COMPAT_43 1812int 1813ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap) 1814{ 1815 struct stat sb; 1816 struct ostat32 sb32; 1817 int error; 1818 1819 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1820 if (error) 1821 return (error); 1822 copy_ostat(&sb, &sb32); 1823 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1824 return (error); 1825} 1826#endif 1827 1828int 1829freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1830{ 1831 struct stat ub; 1832 struct stat32 ub32; 1833 int error; 1834 1835 error = kern_fstat(td, uap->fd, &ub); 1836 if (error) 1837 return (error); 1838 copy_stat(&ub, &ub32); 1839 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1840 return (error); 1841} 1842 1843#ifdef COMPAT_43 1844int 1845ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap) 1846{ 1847 struct stat ub; 1848 struct ostat32 ub32; 1849 int error; 1850 1851 error = kern_fstat(td, uap->fd, &ub); 1852 if (error) 1853 return (error); 1854 copy_ostat(&ub, &ub32); 1855 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1856 return (error); 1857} 1858#endif 1859 1860int 1861freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 1862{ 1863 struct stat ub; 1864 struct stat32 ub32; 1865 int error; 1866 1867 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub); 1868 if (error) 1869 return (error); 1870 copy_stat(&ub, &ub32); 1871 error = copyout(&ub32, uap->buf, sizeof(ub32)); 1872 return (error); 1873} 1874 1875int 1876freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1877{ 1878 struct stat sb; 1879 struct stat32 sb32; 1880 int error; 1881 1882 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1883 if (error) 1884 return (error); 1885 copy_stat(&sb, &sb32); 1886 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1887 return (error); 1888} 1889 1890#ifdef COMPAT_43 1891int 1892ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap) 1893{ 1894 struct stat sb; 1895 struct ostat32 sb32; 1896 int error; 1897 1898 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1899 if (error) 1900 return (error); 1901 copy_ostat(&sb, &sb32); 1902 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1903 return (error); 1904} 1905#endif 1906 1907int 1908freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1909{ 1910 int error, name[CTL_MAXNAME]; 1911 size_t j, oldlen; 1912 1913 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1914 return (EINVAL); 1915 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1916 if (error) 1917 return (error); 1918 if (uap->oldlenp) 1919 oldlen = fuword32(uap->oldlenp); 1920 else 1921 oldlen = 0; 1922 error = userland_sysctl(td, name, uap->namelen, 1923 uap->old, &oldlen, 1, 1924 uap->new, uap->newlen, &j, SCTL_MASK32); 1925 if (error && error != ENOMEM) 1926 return (error); 1927 if (uap->oldlenp) 1928 suword32(uap->oldlenp, j); 1929 return (0); 1930} 1931 1932int 1933freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 1934{ 1935 uint32_t version; 1936 int error; 1937 struct jail j; 1938 1939 error = copyin(uap->jail, &version, sizeof(uint32_t)); 1940 if (error) 1941 return (error); 1942 1943 switch (version) { 1944 case 0: 1945 { 1946 /* FreeBSD single IPv4 jails. */ 1947 struct jail32_v0 j32_v0; 1948 1949 bzero(&j, sizeof(struct jail)); 1950 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 1951 if (error) 1952 return (error); 1953 CP(j32_v0, j, version); 1954 PTRIN_CP(j32_v0, j, path); 1955 PTRIN_CP(j32_v0, j, hostname); 1956 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */ 1957 break; 1958 } 1959 1960 case 1: 1961 /* 1962 * Version 1 was used by multi-IPv4 jail implementations 1963 * that never made it into the official kernel. 1964 */ 1965 return (EINVAL); 1966 1967 case 2: /* JAIL_API_VERSION */ 1968 { 1969 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 1970 struct jail32 j32; 1971 1972 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 1973 if (error) 1974 return (error); 1975 CP(j32, j, version); 1976 PTRIN_CP(j32, j, path); 1977 PTRIN_CP(j32, j, hostname); 1978 PTRIN_CP(j32, j, jailname); 1979 CP(j32, j, ip4s); 1980 CP(j32, j, ip6s); 1981 PTRIN_CP(j32, j, ip4); 1982 PTRIN_CP(j32, j, ip6); 1983 break; 1984 } 1985 1986 default: 1987 /* Sci-Fi jails are not supported, sorry. */ 1988 return (EINVAL); 1989 } 1990 return (kern_jail(td, &j)); 1991} 1992 1993int 1994freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 1995{ 1996 struct uio *auio; 1997 int error; 1998 1999 /* Check that we have an even number of iovecs. */ 2000 if (uap->iovcnt & 1) 2001 return (EINVAL); 2002 2003 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2004 if (error) 2005 return (error); 2006 error = kern_jail_set(td, auio, uap->flags); 2007 free(auio, M_IOV); 2008 return (error); 2009} 2010 2011int 2012freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 2013{ 2014 struct iovec32 iov32; 2015 struct uio *auio; 2016 int error, i; 2017 2018 /* Check that we have an even number of iovecs. */ 2019 if (uap->iovcnt & 1) 2020 return (EINVAL); 2021 2022 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2023 if (error) 2024 return (error); 2025 error = kern_jail_get(td, auio, uap->flags); 2026 if (error == 0) 2027 for (i = 0; i < uap->iovcnt; i++) { 2028 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 2029 CP(auio->uio_iov[i], iov32, iov_len); 2030 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2031 if (error != 0) 2032 break; 2033 } 2034 free(auio, M_IOV); 2035 return (error); 2036} 2037 2038int 2039freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2040{ 2041 struct sigaction32 s32; 2042 struct sigaction sa, osa, *sap; 2043 int error; 2044 2045 if (uap->act) { 2046 error = copyin(uap->act, &s32, sizeof(s32)); 2047 if (error) 2048 return (error); 2049 sa.sa_handler = PTRIN(s32.sa_u); 2050 CP(s32, sa, sa_flags); 2051 CP(s32, sa, sa_mask); 2052 sap = &sa; 2053 } else 2054 sap = NULL; 2055 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2056 if (error == 0 && uap->oact != NULL) { 2057 s32.sa_u = PTROUT(osa.sa_handler); 2058 CP(osa, s32, sa_flags); 2059 CP(osa, s32, sa_mask); 2060 error = copyout(&s32, uap->oact, sizeof(s32)); 2061 } 2062 return (error); 2063} 2064 2065#ifdef COMPAT_FREEBSD4 2066int 2067freebsd4_freebsd32_sigaction(struct thread *td, 2068 struct freebsd4_freebsd32_sigaction_args *uap) 2069{ 2070 struct sigaction32 s32; 2071 struct sigaction sa, osa, *sap; 2072 int error; 2073 2074 if (uap->act) { 2075 error = copyin(uap->act, &s32, sizeof(s32)); 2076 if (error) 2077 return (error); 2078 sa.sa_handler = PTRIN(s32.sa_u); 2079 CP(s32, sa, sa_flags); 2080 CP(s32, sa, sa_mask); 2081 sap = &sa; 2082 } else 2083 sap = NULL; 2084 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2085 if (error == 0 && uap->oact != NULL) { 2086 s32.sa_u = PTROUT(osa.sa_handler); 2087 CP(osa, s32, sa_flags); 2088 CP(osa, s32, sa_mask); 2089 error = copyout(&s32, uap->oact, sizeof(s32)); 2090 } 2091 return (error); 2092} 2093#endif 2094 2095#ifdef COMPAT_43 2096struct osigaction32 { 2097 u_int32_t sa_u; 2098 osigset_t sa_mask; 2099 int sa_flags; 2100}; 2101 2102#define ONSIG 32 2103 2104int 2105ofreebsd32_sigaction(struct thread *td, 2106 struct ofreebsd32_sigaction_args *uap) 2107{ 2108 struct osigaction32 s32; 2109 struct sigaction sa, osa, *sap; 2110 int error; 2111 2112 if (uap->signum <= 0 || uap->signum >= ONSIG) 2113 return (EINVAL); 2114 2115 if (uap->nsa) { 2116 error = copyin(uap->nsa, &s32, sizeof(s32)); 2117 if (error) 2118 return (error); 2119 sa.sa_handler = PTRIN(s32.sa_u); 2120 CP(s32, sa, sa_flags); 2121 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2122 sap = &sa; 2123 } else 2124 sap = NULL; 2125 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2126 if (error == 0 && uap->osa != NULL) { 2127 s32.sa_u = PTROUT(osa.sa_handler); 2128 CP(osa, s32, sa_flags); 2129 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2130 error = copyout(&s32, uap->osa, sizeof(s32)); 2131 } 2132 return (error); 2133} 2134 2135int 2136ofreebsd32_sigprocmask(struct thread *td, 2137 struct ofreebsd32_sigprocmask_args *uap) 2138{ 2139 sigset_t set, oset; 2140 int error; 2141 2142 OSIG2SIG(uap->mask, set); 2143 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2144 SIG2OSIG(oset, td->td_retval[0]); 2145 return (error); 2146} 2147 2148int 2149ofreebsd32_sigpending(struct thread *td, 2150 struct ofreebsd32_sigpending_args *uap) 2151{ 2152 struct proc *p = td->td_proc; 2153 sigset_t siglist; 2154 2155 PROC_LOCK(p); 2156 siglist = p->p_siglist; 2157 SIGSETOR(siglist, td->td_siglist); 2158 PROC_UNLOCK(p); 2159 SIG2OSIG(siglist, td->td_retval[0]); 2160 return (0); 2161} 2162 2163struct sigvec32 { 2164 u_int32_t sv_handler; 2165 int sv_mask; 2166 int sv_flags; 2167}; 2168 2169int 2170ofreebsd32_sigvec(struct thread *td, 2171 struct ofreebsd32_sigvec_args *uap) 2172{ 2173 struct sigvec32 vec; 2174 struct sigaction sa, osa, *sap; 2175 int error; 2176 2177 if (uap->signum <= 0 || uap->signum >= ONSIG) 2178 return (EINVAL); 2179 2180 if (uap->nsv) { 2181 error = copyin(uap->nsv, &vec, sizeof(vec)); 2182 if (error) 2183 return (error); 2184 sa.sa_handler = PTRIN(vec.sv_handler); 2185 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2186 sa.sa_flags = vec.sv_flags; 2187 sa.sa_flags ^= SA_RESTART; 2188 sap = &sa; 2189 } else 2190 sap = NULL; 2191 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2192 if (error == 0 && uap->osv != NULL) { 2193 vec.sv_handler = PTROUT(osa.sa_handler); 2194 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2195 vec.sv_flags = osa.sa_flags; 2196 vec.sv_flags &= ~SA_NOCLDWAIT; 2197 vec.sv_flags ^= SA_RESTART; 2198 error = copyout(&vec, uap->osv, sizeof(vec)); 2199 } 2200 return (error); 2201} 2202 2203int 2204ofreebsd32_sigblock(struct thread *td, 2205 struct ofreebsd32_sigblock_args *uap) 2206{ 2207 sigset_t set, oset; 2208 2209 OSIG2SIG(uap->mask, set); 2210 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2211 SIG2OSIG(oset, td->td_retval[0]); 2212 return (0); 2213} 2214 2215int 2216ofreebsd32_sigsetmask(struct thread *td, 2217 struct ofreebsd32_sigsetmask_args *uap) 2218{ 2219 sigset_t set, oset; 2220 2221 OSIG2SIG(uap->mask, set); 2222 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2223 SIG2OSIG(oset, td->td_retval[0]); 2224 return (0); 2225} 2226 2227int 2228ofreebsd32_sigsuspend(struct thread *td, 2229 struct ofreebsd32_sigsuspend_args *uap) 2230{ 2231 sigset_t mask; 2232 2233 OSIG2SIG(uap->mask, mask); 2234 return (kern_sigsuspend(td, mask)); 2235} 2236 2237struct sigstack32 { 2238 u_int32_t ss_sp; 2239 int ss_onstack; 2240}; 2241 2242int 2243ofreebsd32_sigstack(struct thread *td, 2244 struct ofreebsd32_sigstack_args *uap) 2245{ 2246 struct sigstack32 s32; 2247 struct sigstack nss, oss; 2248 int error = 0, unss; 2249 2250 if (uap->nss != NULL) { 2251 error = copyin(uap->nss, &s32, sizeof(s32)); 2252 if (error) 2253 return (error); 2254 nss.ss_sp = PTRIN(s32.ss_sp); 2255 CP(s32, nss, ss_onstack); 2256 unss = 1; 2257 } else { 2258 unss = 0; 2259 } 2260 oss.ss_sp = td->td_sigstk.ss_sp; 2261 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2262 if (unss) { 2263 td->td_sigstk.ss_sp = nss.ss_sp; 2264 td->td_sigstk.ss_size = 0; 2265 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2266 td->td_pflags |= TDP_ALTSTACK; 2267 } 2268 if (uap->oss != NULL) { 2269 s32.ss_sp = PTROUT(oss.ss_sp); 2270 CP(oss, s32, ss_onstack); 2271 error = copyout(&s32, uap->oss, sizeof(s32)); 2272 } 2273 return (error); 2274} 2275#endif 2276 2277int 2278freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2279{ 2280 struct timespec32 rmt32, rqt32; 2281 struct timespec rmt, rqt; 2282 int error; 2283 2284 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2285 if (error) 2286 return (error); 2287 2288 CP(rqt32, rqt, tv_sec); 2289 CP(rqt32, rqt, tv_nsec); 2290 2291 if (uap->rmtp && 2292 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2293 return (EFAULT); 2294 error = kern_nanosleep(td, &rqt, &rmt); 2295 if (error && uap->rmtp) { 2296 int error2; 2297 2298 CP(rmt, rmt32, tv_sec); 2299 CP(rmt, rmt32, tv_nsec); 2300 2301 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2302 if (error2) 2303 error = error2; 2304 } 2305 return (error); 2306} 2307 2308int 2309freebsd32_clock_gettime(struct thread *td, 2310 struct freebsd32_clock_gettime_args *uap) 2311{ 2312 struct timespec ats; 2313 struct timespec32 ats32; 2314 int error; 2315 2316 error = kern_clock_gettime(td, uap->clock_id, &ats); 2317 if (error == 0) { 2318 CP(ats, ats32, tv_sec); 2319 CP(ats, ats32, tv_nsec); 2320 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2321 } 2322 return (error); 2323} 2324 2325int 2326freebsd32_clock_settime(struct thread *td, 2327 struct freebsd32_clock_settime_args *uap) 2328{ 2329 struct timespec ats; 2330 struct timespec32 ats32; 2331 int error; 2332 2333 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2334 if (error) 2335 return (error); 2336 CP(ats32, ats, tv_sec); 2337 CP(ats32, ats, tv_nsec); 2338 2339 return (kern_clock_settime(td, uap->clock_id, &ats)); 2340} 2341 2342int 2343freebsd32_clock_getres(struct thread *td, 2344 struct freebsd32_clock_getres_args *uap) 2345{ 2346 struct timespec ts; 2347 struct timespec32 ts32; 2348 int error; 2349 2350 if (uap->tp == NULL) 2351 return (0); 2352 error = kern_clock_getres(td, uap->clock_id, &ts); 2353 if (error == 0) { 2354 CP(ts, ts32, tv_sec); 2355 CP(ts, ts32, tv_nsec); 2356 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2357 } 2358 return (error); 2359} 2360 2361int freebsd32_ktimer_create(struct thread *td, 2362 struct freebsd32_ktimer_create_args *uap) 2363{ 2364 struct sigevent32 ev32; 2365 struct sigevent ev, *evp; 2366 int error, id; 2367 2368 if (uap->evp == NULL) { 2369 evp = NULL; 2370 } else { 2371 evp = &ev; 2372 error = copyin(uap->evp, &ev32, sizeof(ev32)); 2373 if (error != 0) 2374 return (error); 2375 error = convert_sigevent32(&ev32, &ev); 2376 if (error != 0) 2377 return (error); 2378 } 2379 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1); 2380 if (error == 0) { 2381 error = copyout(&id, uap->timerid, sizeof(int)); 2382 if (error != 0) 2383 kern_ktimer_delete(td, id); 2384 } 2385 return (error); 2386} 2387 2388int 2389freebsd32_ktimer_settime(struct thread *td, 2390 struct freebsd32_ktimer_settime_args *uap) 2391{ 2392 struct itimerspec32 val32, oval32; 2393 struct itimerspec val, oval, *ovalp; 2394 int error; 2395 2396 error = copyin(uap->value, &val32, sizeof(val32)); 2397 if (error != 0) 2398 return (error); 2399 ITS_CP(val32, val); 2400 ovalp = uap->ovalue != NULL ? &oval : NULL; 2401 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp); 2402 if (error == 0 && uap->ovalue != NULL) { 2403 ITS_CP(oval, oval32); 2404 error = copyout(&oval32, uap->ovalue, sizeof(oval32)); 2405 } 2406 return (error); 2407} 2408 2409int 2410freebsd32_ktimer_gettime(struct thread *td, 2411 struct freebsd32_ktimer_gettime_args *uap) 2412{ 2413 struct itimerspec32 val32; 2414 struct itimerspec val; 2415 int error; 2416 2417 error = kern_ktimer_gettime(td, uap->timerid, &val); 2418 if (error == 0) { 2419 ITS_CP(val, val32); 2420 error = copyout(&val32, uap->value, sizeof(val32)); 2421 } 2422 return (error); 2423} 2424 2425int 2426freebsd32_clock_getcpuclockid2(struct thread *td, 2427 struct freebsd32_clock_getcpuclockid2_args *uap) 2428{ 2429 clockid_t clk_id; 2430 int error; 2431 2432 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id), 2433 uap->which, &clk_id); 2434 if (error == 0) 2435 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t)); 2436 return (error); 2437} 2438 2439int 2440freebsd32_thr_new(struct thread *td, 2441 struct freebsd32_thr_new_args *uap) 2442{ 2443 struct thr_param32 param32; 2444 struct thr_param param; 2445 int error; 2446 2447 if (uap->param_size < 0 || 2448 uap->param_size > sizeof(struct thr_param32)) 2449 return (EINVAL); 2450 bzero(¶m, sizeof(struct thr_param)); 2451 bzero(¶m32, sizeof(struct thr_param32)); 2452 error = copyin(uap->param, ¶m32, uap->param_size); 2453 if (error != 0) 2454 return (error); 2455 param.start_func = PTRIN(param32.start_func); 2456 param.arg = PTRIN(param32.arg); 2457 param.stack_base = PTRIN(param32.stack_base); 2458 param.stack_size = param32.stack_size; 2459 param.tls_base = PTRIN(param32.tls_base); 2460 param.tls_size = param32.tls_size; 2461 param.child_tid = PTRIN(param32.child_tid); 2462 param.parent_tid = PTRIN(param32.parent_tid); 2463 param.flags = param32.flags; 2464 param.rtp = PTRIN(param32.rtp); 2465 param.spare[0] = PTRIN(param32.spare[0]); 2466 param.spare[1] = PTRIN(param32.spare[1]); 2467 param.spare[2] = PTRIN(param32.spare[2]); 2468 2469 return (kern_thr_new(td, ¶m)); 2470} 2471 2472int 2473freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2474{ 2475 struct timespec32 ts32; 2476 struct timespec ts, *tsp; 2477 int error; 2478 2479 error = 0; 2480 tsp = NULL; 2481 if (uap->timeout != NULL) { 2482 error = copyin((const void *)uap->timeout, (void *)&ts32, 2483 sizeof(struct timespec32)); 2484 if (error != 0) 2485 return (error); 2486 ts.tv_sec = ts32.tv_sec; 2487 ts.tv_nsec = ts32.tv_nsec; 2488 tsp = &ts; 2489 } 2490 return (kern_thr_suspend(td, tsp)); 2491} 2492 2493void 2494siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2495{ 2496 bzero(dst, sizeof(*dst)); 2497 dst->si_signo = src->si_signo; 2498 dst->si_errno = src->si_errno; 2499 dst->si_code = src->si_code; 2500 dst->si_pid = src->si_pid; 2501 dst->si_uid = src->si_uid; 2502 dst->si_status = src->si_status; 2503 dst->si_addr = (uintptr_t)src->si_addr; 2504 dst->si_value.sival_int = src->si_value.sival_int; 2505 dst->si_timerid = src->si_timerid; 2506 dst->si_overrun = src->si_overrun; 2507} 2508 2509int 2510freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2511{ 2512 struct timespec32 ts32; 2513 struct timespec ts; 2514 struct timespec *timeout; 2515 sigset_t set; 2516 ksiginfo_t ksi; 2517 struct siginfo32 si32; 2518 int error; 2519 2520 if (uap->timeout) { 2521 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2522 if (error) 2523 return (error); 2524 ts.tv_sec = ts32.tv_sec; 2525 ts.tv_nsec = ts32.tv_nsec; 2526 timeout = &ts; 2527 } else 2528 timeout = NULL; 2529 2530 error = copyin(uap->set, &set, sizeof(set)); 2531 if (error) 2532 return (error); 2533 2534 error = kern_sigtimedwait(td, set, &ksi, timeout); 2535 if (error) 2536 return (error); 2537 2538 if (uap->info) { 2539 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2540 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2541 } 2542 2543 if (error == 0) 2544 td->td_retval[0] = ksi.ksi_signo; 2545 return (error); 2546} 2547 2548/* 2549 * MPSAFE 2550 */ 2551int 2552freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2553{ 2554 ksiginfo_t ksi; 2555 struct siginfo32 si32; 2556 sigset_t set; 2557 int error; 2558 2559 error = copyin(uap->set, &set, sizeof(set)); 2560 if (error) 2561 return (error); 2562 2563 error = kern_sigtimedwait(td, set, &ksi, NULL); 2564 if (error) 2565 return (error); 2566 2567 if (uap->info) { 2568 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2569 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2570 } 2571 if (error == 0) 2572 td->td_retval[0] = ksi.ksi_signo; 2573 return (error); 2574} 2575 2576int 2577freebsd32_cpuset_setid(struct thread *td, 2578 struct freebsd32_cpuset_setid_args *uap) 2579{ 2580 struct cpuset_setid_args ap; 2581 2582 ap.which = uap->which; 2583 ap.id = PAIR32TO64(id_t,uap->id); 2584 ap.setid = uap->setid; 2585 2586 return (sys_cpuset_setid(td, &ap)); 2587} 2588 2589int 2590freebsd32_cpuset_getid(struct thread *td, 2591 struct freebsd32_cpuset_getid_args *uap) 2592{ 2593 struct cpuset_getid_args ap; 2594 2595 ap.level = uap->level; 2596 ap.which = uap->which; 2597 ap.id = PAIR32TO64(id_t,uap->id); 2598 ap.setid = uap->setid; 2599 2600 return (sys_cpuset_getid(td, &ap)); 2601} 2602 2603int 2604freebsd32_cpuset_getaffinity(struct thread *td, 2605 struct freebsd32_cpuset_getaffinity_args *uap) 2606{ 2607 struct cpuset_getaffinity_args ap; 2608 2609 ap.level = uap->level; 2610 ap.which = uap->which; 2611 ap.id = PAIR32TO64(id_t,uap->id); 2612 ap.cpusetsize = uap->cpusetsize; 2613 ap.mask = uap->mask; 2614 2615 return (sys_cpuset_getaffinity(td, &ap)); 2616} 2617 2618int 2619freebsd32_cpuset_setaffinity(struct thread *td, 2620 struct freebsd32_cpuset_setaffinity_args *uap) 2621{ 2622 struct cpuset_setaffinity_args ap; 2623 2624 ap.level = uap->level; 2625 ap.which = uap->which; 2626 ap.id = PAIR32TO64(id_t,uap->id); 2627 ap.cpusetsize = uap->cpusetsize; 2628 ap.mask = uap->mask; 2629 2630 return (sys_cpuset_setaffinity(td, &ap)); 2631} 2632 2633int 2634freebsd32_nmount(struct thread *td, 2635 struct freebsd32_nmount_args /* { 2636 struct iovec *iovp; 2637 unsigned int iovcnt; 2638 int flags; 2639 } */ *uap) 2640{ 2641 struct uio *auio; 2642 uint64_t flags; 2643 int error; 2644 2645 /* 2646 * Mount flags are now 64-bits. On 32-bit archtectures only 2647 * 32-bits are passed in, but from here on everything handles 2648 * 64-bit flags correctly. 2649 */ 2650 flags = uap->flags; 2651 2652 AUDIT_ARG_FFLAGS(flags); 2653 2654 /* 2655 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2656 * userspace to set this flag, but we must filter it out if we want 2657 * MNT_UPDATE on the root file system to work. 2658 * MNT_ROOTFS should only be set by the kernel when mounting its 2659 * root file system. 2660 */ 2661 flags &= ~MNT_ROOTFS; 2662 2663 /* 2664 * check that we have an even number of iovec's 2665 * and that we have at least two options. 2666 */ 2667 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2668 return (EINVAL); 2669 2670 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2671 if (error) 2672 return (error); 2673 error = vfs_donmount(td, flags, auio); 2674 2675 free(auio, M_IOV); 2676 return error; 2677} 2678 2679#if 0 2680int 2681freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2682{ 2683 struct yyy32 *p32, s32; 2684 struct yyy *p = NULL, s; 2685 struct xxx_arg ap; 2686 int error; 2687 2688 if (uap->zzz) { 2689 error = copyin(uap->zzz, &s32, sizeof(s32)); 2690 if (error) 2691 return (error); 2692 /* translate in */ 2693 p = &s; 2694 } 2695 error = kern_xxx(td, p); 2696 if (error) 2697 return (error); 2698 if (uap->zzz) { 2699 /* translate out */ 2700 error = copyout(&s32, p32, sizeof(s32)); 2701 } 2702 return (error); 2703} 2704#endif 2705 2706int 2707syscall32_register(int *offset, struct sysent *new_sysent, 2708 struct sysent *old_sysent) 2709{ 2710 if (*offset == NO_SYSCALL) { 2711 int i; 2712 2713 for (i = 1; i < SYS_MAXSYSCALL; ++i) 2714 if (freebsd32_sysent[i].sy_call == 2715 (sy_call_t *)lkmnosys) 2716 break; 2717 if (i == SYS_MAXSYSCALL) 2718 return (ENFILE); 2719 *offset = i; 2720 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2721 return (EINVAL); 2722 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2723 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2724 return (EEXIST); 2725 2726 *old_sysent = freebsd32_sysent[*offset]; 2727 freebsd32_sysent[*offset] = *new_sysent; 2728 return 0; 2729} 2730 2731int 2732syscall32_deregister(int *offset, struct sysent *old_sysent) 2733{ 2734 2735 if (*offset) 2736 freebsd32_sysent[*offset] = *old_sysent; 2737 return 0; 2738} 2739 2740int 2741syscall32_module_handler(struct module *mod, int what, void *arg) 2742{ 2743 struct syscall_module_data *data = (struct syscall_module_data*)arg; 2744 modspecific_t ms; 2745 int error; 2746 2747 switch (what) { 2748 case MOD_LOAD: 2749 error = syscall32_register(data->offset, data->new_sysent, 2750 &data->old_sysent); 2751 if (error) { 2752 /* Leave a mark so we know to safely unload below. */ 2753 data->offset = NULL; 2754 return error; 2755 } 2756 ms.intval = *data->offset; 2757 MOD_XLOCK; 2758 module_setspecific(mod, &ms); 2759 MOD_XUNLOCK; 2760 if (data->chainevh) 2761 error = data->chainevh(mod, what, data->chainarg); 2762 return (error); 2763 case MOD_UNLOAD: 2764 /* 2765 * MOD_LOAD failed, so just return without calling the 2766 * chained handler since we didn't pass along the MOD_LOAD 2767 * event. 2768 */ 2769 if (data->offset == NULL) 2770 return (0); 2771 if (data->chainevh) { 2772 error = data->chainevh(mod, what, data->chainarg); 2773 if (error) 2774 return (error); 2775 } 2776 error = syscall32_deregister(data->offset, &data->old_sysent); 2777 return (error); 2778 default: 2779 error = EOPNOTSUPP; 2780 if (data->chainevh) 2781 error = data->chainevh(mod, what, data->chainarg); 2782 return (error); 2783 } 2784} 2785 2786int 2787syscall32_helper_register(struct syscall_helper_data *sd) 2788{ 2789 struct syscall_helper_data *sd1; 2790 int error; 2791 2792 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) { 2793 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent, 2794 &sd1->old_sysent); 2795 if (error != 0) { 2796 syscall32_helper_unregister(sd); 2797 return (error); 2798 } 2799 sd1->registered = 1; 2800 } 2801 return (0); 2802} 2803 2804int 2805syscall32_helper_unregister(struct syscall_helper_data *sd) 2806{ 2807 struct syscall_helper_data *sd1; 2808 2809 for (sd1 = sd; sd1->registered != 0; sd1++) { 2810 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent); 2811 sd1->registered = 0; 2812 } 2813 return (0); 2814} 2815 2816register_t * 2817freebsd32_copyout_strings(struct image_params *imgp) 2818{ 2819 int argc, envc, i; 2820 u_int32_t *vectp; 2821 char *stringp; 2822 uintptr_t destp; 2823 u_int32_t *stack_base; 2824 struct freebsd32_ps_strings *arginfo; 2825 char canary[sizeof(long) * 8]; 2826 int32_t pagesizes32[MAXPAGESIZES]; 2827 size_t execpath_len; 2828 int szsigcode; 2829 2830 /* 2831 * Calculate string base and vector table pointers. 2832 * Also deal with signal trampoline code for this exec type. 2833 */ 2834 if (imgp->execpath != NULL && imgp->auxargs != NULL) 2835 execpath_len = strlen(imgp->execpath) + 1; 2836 else 2837 execpath_len = 0; 2838 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 2839 sv_psstrings; 2840 if (imgp->proc->p_sysent->sv_sigcode_base == 0) 2841 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 2842 else 2843 szsigcode = 0; 2844 destp = (uintptr_t)arginfo; 2845 2846 /* 2847 * install sigcode 2848 */ 2849 if (szsigcode != 0) { 2850 destp -= szsigcode; 2851 destp = rounddown2(destp, sizeof(uint32_t)); 2852 copyout(imgp->proc->p_sysent->sv_sigcode, (void *)destp, 2853 szsigcode); 2854 } 2855 2856 /* 2857 * Copy the image path for the rtld. 2858 */ 2859 if (execpath_len != 0) { 2860 destp -= execpath_len; 2861 imgp->execpathp = destp; 2862 copyout(imgp->execpath, (void *)destp, execpath_len); 2863 } 2864 2865 /* 2866 * Prepare the canary for SSP. 2867 */ 2868 arc4rand(canary, sizeof(canary), 0); 2869 destp -= sizeof(canary); 2870 imgp->canary = destp; 2871 copyout(canary, (void *)destp, sizeof(canary)); 2872 imgp->canarylen = sizeof(canary); 2873 2874 /* 2875 * Prepare the pagesizes array. 2876 */ 2877 for (i = 0; i < MAXPAGESIZES; i++) 2878 pagesizes32[i] = (uint32_t)pagesizes[i]; 2879 destp -= sizeof(pagesizes32); 2880 destp = rounddown2(destp, sizeof(uint32_t)); 2881 imgp->pagesizes = destp; 2882 copyout(pagesizes32, (void *)destp, sizeof(pagesizes32)); 2883 imgp->pagesizeslen = sizeof(pagesizes32); 2884 2885 destp -= ARG_MAX - imgp->args->stringspace; 2886 destp = rounddown2(destp, sizeof(uint32_t)); 2887 2888 /* 2889 * If we have a valid auxargs ptr, prepare some room 2890 * on the stack. 2891 */ 2892 if (imgp->auxargs) { 2893 /* 2894 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 2895 * lower compatibility. 2896 */ 2897 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 2898 : (AT_COUNT * 2); 2899 /* 2900 * The '+ 2' is for the null pointers at the end of each of 2901 * the arg and env vector sets,and imgp->auxarg_size is room 2902 * for argument of Runtime loader. 2903 */ 2904 vectp = (u_int32_t *) (destp - (imgp->args->argc + 2905 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 2906 sizeof(u_int32_t)); 2907 } else { 2908 /* 2909 * The '+ 2' is for the null pointers at the end of each of 2910 * the arg and env vector sets 2911 */ 2912 vectp = (u_int32_t *)(destp - (imgp->args->argc + 2913 imgp->args->envc + 2) * sizeof(u_int32_t)); 2914 } 2915 2916 /* 2917 * vectp also becomes our initial stack base 2918 */ 2919 stack_base = vectp; 2920 2921 stringp = imgp->args->begin_argv; 2922 argc = imgp->args->argc; 2923 envc = imgp->args->envc; 2924 /* 2925 * Copy out strings - arguments and environment. 2926 */ 2927 copyout(stringp, (void *)destp, ARG_MAX - imgp->args->stringspace); 2928 2929 /* 2930 * Fill in "ps_strings" struct for ps, w, etc. 2931 */ 2932 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 2933 suword32(&arginfo->ps_nargvstr, argc); 2934 2935 /* 2936 * Fill in argument portion of vector table. 2937 */ 2938 for (; argc > 0; --argc) { 2939 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2940 while (*stringp++ != 0) 2941 destp++; 2942 destp++; 2943 } 2944 2945 /* a null vector table pointer separates the argp's from the envp's */ 2946 suword32(vectp++, 0); 2947 2948 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 2949 suword32(&arginfo->ps_nenvstr, envc); 2950 2951 /* 2952 * Fill in environment portion of vector table. 2953 */ 2954 for (; envc > 0; --envc) { 2955 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2956 while (*stringp++ != 0) 2957 destp++; 2958 destp++; 2959 } 2960 2961 /* end of vector table is a null pointer */ 2962 suword32(vectp, 0); 2963 2964 return ((register_t *)stack_base); 2965} 2966 2967int 2968freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap) 2969{ 2970 struct kld_file_stat stat; 2971 struct kld32_file_stat stat32; 2972 int error, version; 2973 2974 if ((error = copyin(&uap->stat->version, &version, sizeof(version))) 2975 != 0) 2976 return (error); 2977 if (version != sizeof(struct kld32_file_stat_1) && 2978 version != sizeof(struct kld32_file_stat)) 2979 return (EINVAL); 2980 2981 error = kern_kldstat(td, uap->fileid, &stat); 2982 if (error != 0) 2983 return (error); 2984 2985 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name)); 2986 CP(stat, stat32, refs); 2987 CP(stat, stat32, id); 2988 PTROUT_CP(stat, stat32, address); 2989 CP(stat, stat32, size); 2990 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname)); 2991 return (copyout(&stat32, uap->stat, version)); 2992} 2993 2994int 2995freebsd32_posix_fallocate(struct thread *td, 2996 struct freebsd32_posix_fallocate_args *uap) 2997{ 2998 2999 td->td_retval[0] = kern_posix_fallocate(td, uap->fd, 3000 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len)); 3001 return (0); 3002} 3003 3004int 3005freebsd32_posix_fadvise(struct thread *td, 3006 struct freebsd32_posix_fadvise_args *uap) 3007{ 3008 3009 td->td_retval[0] = kern_posix_fadvise(td, uap->fd, 3010 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len), 3011 uap->advice); 3012 return (0); 3013} 3014 3015int 3016convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig) 3017{ 3018 3019 CP(*sig32, *sig, sigev_notify); 3020 switch (sig->sigev_notify) { 3021 case SIGEV_NONE: 3022 break; 3023 case SIGEV_THREAD_ID: 3024 CP(*sig32, *sig, sigev_notify_thread_id); 3025 /* FALLTHROUGH */ 3026 case SIGEV_SIGNAL: 3027 CP(*sig32, *sig, sigev_signo); 3028 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3029 break; 3030 case SIGEV_KEVENT: 3031 CP(*sig32, *sig, sigev_notify_kqueue); 3032 CP(*sig32, *sig, sigev_notify_kevent_flags); 3033 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3034 break; 3035 default: 3036 return (EINVAL); 3037 } 3038 return (0); 3039} 3040 3041int 3042freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap) 3043{ 3044 void *data; 3045 int error, flags; 3046 3047 switch (uap->com) { 3048 case PROC_SPROTECT: 3049 error = copyin(PTRIN(uap->data), &flags, sizeof(flags)); 3050 if (error) 3051 return (error); 3052 data = &flags; 3053 break; 3054 default: 3055 return (EINVAL); 3056 } 3057 return (kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id), 3058 uap->com, data)); 3059} 3060