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