freebsd32_misc.c revision 254356
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 254356 2013-08-15 07:54:31Z glebius $"); 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_signal.h> 106#include <compat/freebsd32/freebsd32_proto.h> 107 108FEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD"); 109 110#ifndef __mips__ 111CTASSERT(sizeof(struct timeval32) == 8); 112CTASSERT(sizeof(struct timespec32) == 8); 113CTASSERT(sizeof(struct itimerval32) == 16); 114#endif 115CTASSERT(sizeof(struct statfs32) == 256); 116#ifndef __mips__ 117CTASSERT(sizeof(struct rusage32) == 72); 118#endif 119CTASSERT(sizeof(struct sigaltstack32) == 12); 120CTASSERT(sizeof(struct kevent32) == 20); 121CTASSERT(sizeof(struct iovec32) == 8); 122CTASSERT(sizeof(struct msghdr32) == 28); 123#ifndef __mips__ 124CTASSERT(sizeof(struct stat32) == 96); 125#endif 126CTASSERT(sizeof(struct sigaction32) == 24); 127 128static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 129static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 130 131#if BYTE_ORDER == BIG_ENDIAN 132#define PAIR32TO64(type, name) ((name ## 2) | ((type)(name ## 1) << 32)) 133#define RETVAL_HI 0 134#define RETVAL_LO 1 135#else 136#define PAIR32TO64(type, name) ((name ## 1) | ((type)(name ## 2) << 32)) 137#define RETVAL_HI 1 138#define RETVAL_LO 0 139#endif 140 141void 142freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32) 143{ 144 145 TV_CP(*s, *s32, ru_utime); 146 TV_CP(*s, *s32, ru_stime); 147 CP(*s, *s32, ru_maxrss); 148 CP(*s, *s32, ru_ixrss); 149 CP(*s, *s32, ru_idrss); 150 CP(*s, *s32, ru_isrss); 151 CP(*s, *s32, ru_minflt); 152 CP(*s, *s32, ru_majflt); 153 CP(*s, *s32, ru_nswap); 154 CP(*s, *s32, ru_inblock); 155 CP(*s, *s32, ru_oublock); 156 CP(*s, *s32, ru_msgsnd); 157 CP(*s, *s32, ru_msgrcv); 158 CP(*s, *s32, ru_nsignals); 159 CP(*s, *s32, ru_nvcsw); 160 CP(*s, *s32, ru_nivcsw); 161} 162 163int 164freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 165{ 166 int error, status; 167 struct rusage32 ru32; 168 struct rusage ru, *rup; 169 170 if (uap->rusage != NULL) 171 rup = &ru; 172 else 173 rup = NULL; 174 error = kern_wait(td, uap->pid, &status, uap->options, rup); 175 if (error) 176 return (error); 177 if (uap->status != NULL) 178 error = copyout(&status, uap->status, sizeof(status)); 179 if (uap->rusage != NULL && error == 0) { 180 freebsd32_rusage_out(&ru, &ru32); 181 error = copyout(&ru32, uap->rusage, sizeof(ru32)); 182 } 183 return (error); 184} 185 186int 187freebsd32_wait6(struct thread *td, struct freebsd32_wait6_args *uap) 188{ 189 struct wrusage32 wru32; 190 struct __wrusage wru, *wrup; 191 struct siginfo32 si32; 192 struct __siginfo si, *sip; 193 int error, status; 194 195 if (uap->wrusage != NULL) 196 wrup = &wru; 197 else 198 wrup = NULL; 199 if (uap->info != NULL) { 200 sip = &si; 201 bzero(sip, sizeof(*sip)); 202 } else 203 sip = NULL; 204 error = kern_wait6(td, uap->idtype, PAIR32TO64(id_t, uap->id), 205 &status, uap->options, wrup, sip); 206 if (error != 0) 207 return (error); 208 if (uap->status != NULL) 209 error = copyout(&status, uap->status, sizeof(status)); 210 if (uap->wrusage != NULL && error == 0) { 211 freebsd32_rusage_out(&wru.wru_self, &wru32.wru_self); 212 freebsd32_rusage_out(&wru.wru_children, &wru32.wru_children); 213 error = copyout(&wru32, uap->wrusage, sizeof(wru32)); 214 } 215 if (uap->info != NULL && error == 0) { 216 siginfo_to_siginfo32 (&si, &si32); 217 error = copyout(&si32, uap->info, sizeof(si32)); 218 } 219 return (error); 220} 221 222#ifdef COMPAT_FREEBSD4 223static void 224copy_statfs(struct statfs *in, struct statfs32 *out) 225{ 226 227 statfs_scale_blocks(in, INT32_MAX); 228 bzero(out, sizeof(*out)); 229 CP(*in, *out, f_bsize); 230 out->f_iosize = MIN(in->f_iosize, INT32_MAX); 231 CP(*in, *out, f_blocks); 232 CP(*in, *out, f_bfree); 233 CP(*in, *out, f_bavail); 234 out->f_files = MIN(in->f_files, INT32_MAX); 235 out->f_ffree = MIN(in->f_ffree, INT32_MAX); 236 CP(*in, *out, f_fsid); 237 CP(*in, *out, f_owner); 238 CP(*in, *out, f_type); 239 CP(*in, *out, f_flags); 240 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 241 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 242 strlcpy(out->f_fstypename, 243 in->f_fstypename, MFSNAMELEN); 244 strlcpy(out->f_mntonname, 245 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 246 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 247 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 248 strlcpy(out->f_mntfromname, 249 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 250} 251#endif 252 253#ifdef COMPAT_FREEBSD4 254int 255freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap) 256{ 257 struct statfs *buf, *sp; 258 struct statfs32 stat32; 259 size_t count, size; 260 int error; 261 262 count = uap->bufsize / sizeof(struct statfs32); 263 size = count * sizeof(struct statfs); 264 error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 265 if (size > 0) { 266 count = td->td_retval[0]; 267 sp = buf; 268 while (count > 0 && error == 0) { 269 copy_statfs(sp, &stat32); 270 error = copyout(&stat32, uap->buf, sizeof(stat32)); 271 sp++; 272 uap->buf++; 273 count--; 274 } 275 free(buf, M_TEMP); 276 } 277 return (error); 278} 279#endif 280 281int 282freebsd32_sigaltstack(struct thread *td, 283 struct freebsd32_sigaltstack_args *uap) 284{ 285 struct sigaltstack32 s32; 286 struct sigaltstack ss, oss, *ssp; 287 int error; 288 289 if (uap->ss != NULL) { 290 error = copyin(uap->ss, &s32, sizeof(s32)); 291 if (error) 292 return (error); 293 PTRIN_CP(s32, ss, ss_sp); 294 CP(s32, ss, ss_size); 295 CP(s32, ss, ss_flags); 296 ssp = &ss; 297 } else 298 ssp = NULL; 299 error = kern_sigaltstack(td, ssp, &oss); 300 if (error == 0 && uap->oss != NULL) { 301 PTROUT_CP(oss, s32, ss_sp); 302 CP(oss, s32, ss_size); 303 CP(oss, s32, ss_flags); 304 error = copyout(&s32, uap->oss, sizeof(s32)); 305 } 306 return (error); 307} 308 309/* 310 * Custom version of exec_copyin_args() so that we can translate 311 * the pointers. 312 */ 313int 314freebsd32_exec_copyin_args(struct image_args *args, char *fname, 315 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 316{ 317 char *argp, *envp; 318 u_int32_t *p32, arg; 319 size_t length; 320 int error; 321 322 bzero(args, sizeof(*args)); 323 if (argv == NULL) 324 return (EFAULT); 325 326 /* 327 * Allocate demand-paged memory for the file name, argument, and 328 * environment strings. 329 */ 330 error = exec_alloc_args(args); 331 if (error != 0) 332 return (error); 333 334 /* 335 * Copy the file name. 336 */ 337 if (fname != NULL) { 338 args->fname = args->buf; 339 error = (segflg == UIO_SYSSPACE) ? 340 copystr(fname, args->fname, PATH_MAX, &length) : 341 copyinstr(fname, args->fname, PATH_MAX, &length); 342 if (error != 0) 343 goto err_exit; 344 } else 345 length = 0; 346 347 args->begin_argv = args->buf + length; 348 args->endp = args->begin_argv; 349 args->stringspace = ARG_MAX; 350 351 /* 352 * extract arguments first 353 */ 354 p32 = argv; 355 for (;;) { 356 error = copyin(p32++, &arg, sizeof(arg)); 357 if (error) 358 goto err_exit; 359 if (arg == 0) 360 break; 361 argp = PTRIN(arg); 362 error = copyinstr(argp, args->endp, args->stringspace, &length); 363 if (error) { 364 if (error == ENAMETOOLONG) 365 error = E2BIG; 366 goto err_exit; 367 } 368 args->stringspace -= length; 369 args->endp += length; 370 args->argc++; 371 } 372 373 args->begin_envv = args->endp; 374 375 /* 376 * extract environment strings 377 */ 378 if (envv) { 379 p32 = envv; 380 for (;;) { 381 error = copyin(p32++, &arg, sizeof(arg)); 382 if (error) 383 goto err_exit; 384 if (arg == 0) 385 break; 386 envp = PTRIN(arg); 387 error = copyinstr(envp, args->endp, args->stringspace, 388 &length); 389 if (error) { 390 if (error == ENAMETOOLONG) 391 error = E2BIG; 392 goto err_exit; 393 } 394 args->stringspace -= length; 395 args->endp += length; 396 args->envc++; 397 } 398 } 399 400 return (0); 401 402err_exit: 403 exec_free_args(args); 404 return (error); 405} 406 407int 408freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 409{ 410 struct image_args eargs; 411 int error; 412 413 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 414 uap->argv, uap->envv); 415 if (error == 0) 416 error = kern_execve(td, &eargs, NULL); 417 return (error); 418} 419 420int 421freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 422{ 423 struct image_args eargs; 424 int error; 425 426 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 427 uap->argv, uap->envv); 428 if (error == 0) { 429 eargs.fd = uap->fd; 430 error = kern_execve(td, &eargs, NULL); 431 } 432 return (error); 433} 434 435#ifdef __ia64__ 436static int 437freebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, 438 int prot, int fd, off_t pos) 439{ 440 vm_map_t map; 441 vm_map_entry_t entry; 442 int rv; 443 444 map = &td->td_proc->p_vmspace->vm_map; 445 if (fd != -1) 446 prot |= VM_PROT_WRITE; 447 448 if (vm_map_lookup_entry(map, start, &entry)) { 449 if ((entry->protection & prot) != prot) { 450 rv = vm_map_protect(map, 451 trunc_page(start), 452 round_page(end), 453 entry->protection | prot, 454 FALSE); 455 if (rv != KERN_SUCCESS) 456 return (EINVAL); 457 } 458 } else { 459 vm_offset_t addr = trunc_page(start); 460 rv = vm_map_find(map, 0, 0, 461 &addr, PAGE_SIZE, FALSE, prot, 462 VM_PROT_ALL, 0); 463 if (rv != KERN_SUCCESS) 464 return (EINVAL); 465 } 466 467 if (fd != -1) { 468 struct pread_args r; 469 r.fd = fd; 470 r.buf = (void *) start; 471 r.nbyte = end - start; 472 r.offset = pos; 473 return (sys_pread(td, &r)); 474 } else { 475 while (start < end) { 476 subyte((void *) start, 0); 477 start++; 478 } 479 return (0); 480 } 481} 482#endif 483 484int 485freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap) 486{ 487 struct mprotect_args ap; 488 489 ap.addr = PTRIN(uap->addr); 490 ap.len = uap->len; 491 ap.prot = uap->prot; 492#if defined(__amd64__) || defined(__ia64__) 493 if (i386_read_exec && (ap.prot & PROT_READ) != 0) 494 ap.prot |= PROT_EXEC; 495#endif 496 return (sys_mprotect(td, &ap)); 497} 498 499int 500freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 501{ 502 struct mmap_args ap; 503 vm_offset_t addr = (vm_offset_t) uap->addr; 504 vm_size_t len = uap->len; 505 int prot = uap->prot; 506 int flags = uap->flags; 507 int fd = uap->fd; 508 off_t pos = PAIR32TO64(off_t,uap->pos); 509#ifdef __ia64__ 510 vm_size_t pageoff; 511 int error; 512 513 /* 514 * Attempt to handle page size hassles. 515 */ 516 pageoff = (pos & PAGE_MASK); 517 if (flags & MAP_FIXED) { 518 vm_offset_t start, end; 519 start = addr; 520 end = addr + len; 521 522 if (start != trunc_page(start)) { 523 error = freebsd32_mmap_partial(td, start, 524 round_page(start), prot, 525 fd, pos); 526 if (fd != -1) 527 pos += round_page(start) - start; 528 start = round_page(start); 529 } 530 if (end != round_page(end)) { 531 vm_offset_t t = trunc_page(end); 532 error = freebsd32_mmap_partial(td, t, end, 533 prot, fd, 534 pos + t - start); 535 end = trunc_page(end); 536 } 537 if (end > start && fd != -1 && (pos & PAGE_MASK)) { 538 /* 539 * We can't map this region at all. The specified 540 * address doesn't have the same alignment as the file 541 * position. Fake the mapping by simply reading the 542 * entire region into memory. First we need to make 543 * sure the region exists. 544 */ 545 vm_map_t map; 546 struct pread_args r; 547 int rv; 548 549 prot |= VM_PROT_WRITE; 550 map = &td->td_proc->p_vmspace->vm_map; 551 rv = vm_map_remove(map, start, end); 552 if (rv != KERN_SUCCESS) 553 return (EINVAL); 554 rv = vm_map_find(map, 0, 0, 555 &start, end - start, FALSE, 556 prot, VM_PROT_ALL, 0); 557 if (rv != KERN_SUCCESS) 558 return (EINVAL); 559 r.fd = fd; 560 r.buf = (void *) start; 561 r.nbyte = end - start; 562 r.offset = pos; 563 error = sys_pread(td, &r); 564 if (error) 565 return (error); 566 567 td->td_retval[0] = addr; 568 return (0); 569 } 570 if (end == start) { 571 /* 572 * After dealing with the ragged ends, there 573 * might be none left. 574 */ 575 td->td_retval[0] = addr; 576 return (0); 577 } 578 addr = start; 579 len = end - start; 580 } 581#endif 582 583#if defined(__amd64__) || defined(__ia64__) 584 if (i386_read_exec && (prot & PROT_READ)) 585 prot |= PROT_EXEC; 586#endif 587 588 ap.addr = (void *) addr; 589 ap.len = len; 590 ap.prot = prot; 591 ap.flags = flags; 592 ap.fd = fd; 593 ap.pos = pos; 594 595 return (sys_mmap(td, &ap)); 596} 597 598#ifdef COMPAT_FREEBSD6 599int 600freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 601{ 602 struct freebsd32_mmap_args ap; 603 604 ap.addr = uap->addr; 605 ap.len = uap->len; 606 ap.prot = uap->prot; 607 ap.flags = uap->flags; 608 ap.fd = uap->fd; 609 ap.pos1 = uap->pos1; 610 ap.pos2 = uap->pos2; 611 612 return (freebsd32_mmap(td, &ap)); 613} 614#endif 615 616int 617freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 618{ 619 struct itimerval itv, oitv, *itvp; 620 struct itimerval32 i32; 621 int error; 622 623 if (uap->itv != NULL) { 624 error = copyin(uap->itv, &i32, sizeof(i32)); 625 if (error) 626 return (error); 627 TV_CP(i32, itv, it_interval); 628 TV_CP(i32, itv, it_value); 629 itvp = &itv; 630 } else 631 itvp = NULL; 632 error = kern_setitimer(td, uap->which, itvp, &oitv); 633 if (error || uap->oitv == NULL) 634 return (error); 635 TV_CP(oitv, i32, it_interval); 636 TV_CP(oitv, i32, it_value); 637 return (copyout(&i32, uap->oitv, sizeof(i32))); 638} 639 640int 641freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 642{ 643 struct itimerval itv; 644 struct itimerval32 i32; 645 int error; 646 647 error = kern_getitimer(td, uap->which, &itv); 648 if (error || uap->itv == NULL) 649 return (error); 650 TV_CP(itv, i32, it_interval); 651 TV_CP(itv, i32, it_value); 652 return (copyout(&i32, uap->itv, sizeof(i32))); 653} 654 655int 656freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 657{ 658 struct timeval32 tv32; 659 struct timeval tv, *tvp; 660 int error; 661 662 if (uap->tv != NULL) { 663 error = copyin(uap->tv, &tv32, sizeof(tv32)); 664 if (error) 665 return (error); 666 CP(tv32, tv, tv_sec); 667 CP(tv32, tv, tv_usec); 668 tvp = &tv; 669 } else 670 tvp = NULL; 671 /* 672 * XXX Do pointers need PTRIN()? 673 */ 674 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 675 sizeof(int32_t) * 8)); 676} 677 678int 679freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 680{ 681 struct timespec32 ts32; 682 struct timespec ts; 683 struct timeval tv, *tvp; 684 sigset_t set, *uset; 685 int error; 686 687 if (uap->ts != NULL) { 688 error = copyin(uap->ts, &ts32, sizeof(ts32)); 689 if (error != 0) 690 return (error); 691 CP(ts32, ts, tv_sec); 692 CP(ts32, ts, tv_nsec); 693 TIMESPEC_TO_TIMEVAL(&tv, &ts); 694 tvp = &tv; 695 } else 696 tvp = NULL; 697 if (uap->sm != NULL) { 698 error = copyin(uap->sm, &set, sizeof(set)); 699 if (error != 0) 700 return (error); 701 uset = &set; 702 } else 703 uset = NULL; 704 /* 705 * XXX Do pointers need PTRIN()? 706 */ 707 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 708 uset, sizeof(int32_t) * 8); 709 return (error); 710} 711 712/* 713 * Copy 'count' items into the destination list pointed to by uap->eventlist. 714 */ 715static int 716freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 717{ 718 struct freebsd32_kevent_args *uap; 719 struct kevent32 ks32[KQ_NEVENTS]; 720 int i, error = 0; 721 722 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 723 uap = (struct freebsd32_kevent_args *)arg; 724 725 for (i = 0; i < count; i++) { 726 CP(kevp[i], ks32[i], ident); 727 CP(kevp[i], ks32[i], filter); 728 CP(kevp[i], ks32[i], flags); 729 CP(kevp[i], ks32[i], fflags); 730 CP(kevp[i], ks32[i], data); 731 PTROUT_CP(kevp[i], ks32[i], udata); 732 } 733 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 734 if (error == 0) 735 uap->eventlist += count; 736 return (error); 737} 738 739/* 740 * Copy 'count' items from the list pointed to by uap->changelist. 741 */ 742static int 743freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 744{ 745 struct freebsd32_kevent_args *uap; 746 struct kevent32 ks32[KQ_NEVENTS]; 747 int i, error = 0; 748 749 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 750 uap = (struct freebsd32_kevent_args *)arg; 751 752 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 753 if (error) 754 goto done; 755 uap->changelist += count; 756 757 for (i = 0; i < count; i++) { 758 CP(ks32[i], kevp[i], ident); 759 CP(ks32[i], kevp[i], filter); 760 CP(ks32[i], kevp[i], flags); 761 CP(ks32[i], kevp[i], fflags); 762 CP(ks32[i], kevp[i], data); 763 PTRIN_CP(ks32[i], kevp[i], udata); 764 } 765done: 766 return (error); 767} 768 769int 770freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 771{ 772 struct timespec32 ts32; 773 struct timespec ts, *tsp; 774 struct kevent_copyops k_ops = { uap, 775 freebsd32_kevent_copyout, 776 freebsd32_kevent_copyin}; 777 int error; 778 779 780 if (uap->timeout) { 781 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 782 if (error) 783 return (error); 784 CP(ts32, ts, tv_sec); 785 CP(ts32, ts, tv_nsec); 786 tsp = &ts; 787 } else 788 tsp = NULL; 789 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 790 &k_ops, tsp); 791 return (error); 792} 793 794int 795freebsd32_gettimeofday(struct thread *td, 796 struct freebsd32_gettimeofday_args *uap) 797{ 798 struct timeval atv; 799 struct timeval32 atv32; 800 struct timezone rtz; 801 int error = 0; 802 803 if (uap->tp) { 804 microtime(&atv); 805 CP(atv, atv32, tv_sec); 806 CP(atv, atv32, tv_usec); 807 error = copyout(&atv32, uap->tp, sizeof (atv32)); 808 } 809 if (error == 0 && uap->tzp != NULL) { 810 rtz.tz_minuteswest = tz_minuteswest; 811 rtz.tz_dsttime = tz_dsttime; 812 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 813 } 814 return (error); 815} 816 817int 818freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 819{ 820 struct rusage32 s32; 821 struct rusage s; 822 int error; 823 824 error = kern_getrusage(td, uap->who, &s); 825 if (error) 826 return (error); 827 if (uap->rusage != NULL) { 828 freebsd32_rusage_out(&s, &s32); 829 error = copyout(&s32, uap->rusage, sizeof(s32)); 830 } 831 return (error); 832} 833 834static int 835freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 836{ 837 struct iovec32 iov32; 838 struct iovec *iov; 839 struct uio *uio; 840 u_int iovlen; 841 int error, i; 842 843 *uiop = NULL; 844 if (iovcnt > UIO_MAXIOV) 845 return (EINVAL); 846 iovlen = iovcnt * sizeof(struct iovec); 847 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 848 iov = (struct iovec *)(uio + 1); 849 for (i = 0; i < iovcnt; i++) { 850 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 851 if (error) { 852 free(uio, M_IOV); 853 return (error); 854 } 855 iov[i].iov_base = PTRIN(iov32.iov_base); 856 iov[i].iov_len = iov32.iov_len; 857 } 858 uio->uio_iov = iov; 859 uio->uio_iovcnt = iovcnt; 860 uio->uio_segflg = UIO_USERSPACE; 861 uio->uio_offset = -1; 862 uio->uio_resid = 0; 863 for (i = 0; i < iovcnt; i++) { 864 if (iov->iov_len > INT_MAX - uio->uio_resid) { 865 free(uio, M_IOV); 866 return (EINVAL); 867 } 868 uio->uio_resid += iov->iov_len; 869 iov++; 870 } 871 *uiop = uio; 872 return (0); 873} 874 875int 876freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 877{ 878 struct uio *auio; 879 int error; 880 881 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 882 if (error) 883 return (error); 884 error = kern_readv(td, uap->fd, auio); 885 free(auio, M_IOV); 886 return (error); 887} 888 889int 890freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 891{ 892 struct uio *auio; 893 int error; 894 895 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 896 if (error) 897 return (error); 898 error = kern_writev(td, uap->fd, auio); 899 free(auio, M_IOV); 900 return (error); 901} 902 903int 904freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 905{ 906 struct uio *auio; 907 int error; 908 909 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 910 if (error) 911 return (error); 912 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 913 free(auio, M_IOV); 914 return (error); 915} 916 917int 918freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 919{ 920 struct uio *auio; 921 int error; 922 923 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 924 if (error) 925 return (error); 926 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 927 free(auio, M_IOV); 928 return (error); 929} 930 931int 932freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 933 int error) 934{ 935 struct iovec32 iov32; 936 struct iovec *iov; 937 u_int iovlen; 938 int i; 939 940 *iovp = NULL; 941 if (iovcnt > UIO_MAXIOV) 942 return (error); 943 iovlen = iovcnt * sizeof(struct iovec); 944 iov = malloc(iovlen, M_IOV, M_WAITOK); 945 for (i = 0; i < iovcnt; i++) { 946 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 947 if (error) { 948 free(iov, M_IOV); 949 return (error); 950 } 951 iov[i].iov_base = PTRIN(iov32.iov_base); 952 iov[i].iov_len = iov32.iov_len; 953 } 954 *iovp = iov; 955 return (0); 956} 957 958static int 959freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 960{ 961 struct msghdr32 m32; 962 int error; 963 964 error = copyin(msg32, &m32, sizeof(m32)); 965 if (error) 966 return (error); 967 msg->msg_name = PTRIN(m32.msg_name); 968 msg->msg_namelen = m32.msg_namelen; 969 msg->msg_iov = PTRIN(m32.msg_iov); 970 msg->msg_iovlen = m32.msg_iovlen; 971 msg->msg_control = PTRIN(m32.msg_control); 972 msg->msg_controllen = m32.msg_controllen; 973 msg->msg_flags = m32.msg_flags; 974 return (0); 975} 976 977static int 978freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 979{ 980 struct msghdr32 m32; 981 int error; 982 983 m32.msg_name = PTROUT(msg->msg_name); 984 m32.msg_namelen = msg->msg_namelen; 985 m32.msg_iov = PTROUT(msg->msg_iov); 986 m32.msg_iovlen = msg->msg_iovlen; 987 m32.msg_control = PTROUT(msg->msg_control); 988 m32.msg_controllen = msg->msg_controllen; 989 m32.msg_flags = msg->msg_flags; 990 error = copyout(&m32, msg32, sizeof(m32)); 991 return (error); 992} 993 994#ifndef __mips__ 995#define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 996#else 997#define FREEBSD32_ALIGNBYTES (sizeof(long) - 1) 998#endif 999#define FREEBSD32_ALIGN(p) \ 1000 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 1001#define FREEBSD32_CMSG_SPACE(l) \ 1002 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 1003 1004#define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 1005 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 1006static int 1007freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 1008{ 1009 struct cmsghdr *cm; 1010 void *data; 1011 socklen_t clen, datalen; 1012 int error; 1013 caddr_t ctlbuf; 1014 int len, maxlen, copylen; 1015 struct mbuf *m; 1016 error = 0; 1017 1018 len = msg->msg_controllen; 1019 maxlen = msg->msg_controllen; 1020 msg->msg_controllen = 0; 1021 1022 m = control; 1023 ctlbuf = msg->msg_control; 1024 1025 while (m && len > 0) { 1026 cm = mtod(m, struct cmsghdr *); 1027 clen = m->m_len; 1028 1029 while (cm != NULL) { 1030 1031 if (sizeof(struct cmsghdr) > clen || 1032 cm->cmsg_len > clen) { 1033 error = EINVAL; 1034 break; 1035 } 1036 1037 data = CMSG_DATA(cm); 1038 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1039 1040 /* Adjust message length */ 1041 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 1042 datalen; 1043 1044 1045 /* Copy cmsghdr */ 1046 copylen = sizeof(struct cmsghdr); 1047 if (len < copylen) { 1048 msg->msg_flags |= MSG_CTRUNC; 1049 copylen = len; 1050 } 1051 1052 error = copyout(cm,ctlbuf,copylen); 1053 if (error) 1054 goto exit; 1055 1056 ctlbuf += FREEBSD32_ALIGN(copylen); 1057 len -= FREEBSD32_ALIGN(copylen); 1058 1059 if (len <= 0) 1060 break; 1061 1062 /* Copy data */ 1063 copylen = datalen; 1064 if (len < copylen) { 1065 msg->msg_flags |= MSG_CTRUNC; 1066 copylen = len; 1067 } 1068 1069 error = copyout(data,ctlbuf,copylen); 1070 if (error) 1071 goto exit; 1072 1073 ctlbuf += FREEBSD32_ALIGN(copylen); 1074 len -= FREEBSD32_ALIGN(copylen); 1075 1076 if (CMSG_SPACE(datalen) < clen) { 1077 clen -= CMSG_SPACE(datalen); 1078 cm = (struct cmsghdr *) 1079 ((caddr_t)cm + CMSG_SPACE(datalen)); 1080 } else { 1081 clen = 0; 1082 cm = NULL; 1083 } 1084 } 1085 m = m->m_next; 1086 } 1087 1088 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 1089 1090exit: 1091 return (error); 1092 1093} 1094 1095int 1096freebsd32_recvmsg(td, uap) 1097 struct thread *td; 1098 struct freebsd32_recvmsg_args /* { 1099 int s; 1100 struct msghdr32 *msg; 1101 int flags; 1102 } */ *uap; 1103{ 1104 struct msghdr msg; 1105 struct msghdr32 m32; 1106 struct iovec *uiov, *iov; 1107 struct mbuf *control = NULL; 1108 struct mbuf **controlp; 1109 1110 int error; 1111 error = copyin(uap->msg, &m32, sizeof(m32)); 1112 if (error) 1113 return (error); 1114 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1115 if (error) 1116 return (error); 1117 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1118 EMSGSIZE); 1119 if (error) 1120 return (error); 1121 msg.msg_flags = uap->flags; 1122 uiov = msg.msg_iov; 1123 msg.msg_iov = iov; 1124 1125 controlp = (msg.msg_control != NULL) ? &control : NULL; 1126 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1127 if (error == 0) { 1128 msg.msg_iov = uiov; 1129 1130 if (control != NULL) 1131 error = freebsd32_copy_msg_out(&msg, control); 1132 else 1133 msg.msg_controllen = 0; 1134 1135 if (error == 0) 1136 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1137 } 1138 free(iov, M_IOV); 1139 1140 if (control != NULL) 1141 m_freem(control); 1142 1143 return (error); 1144} 1145 1146 1147static int 1148freebsd32_convert_msg_in(struct mbuf **controlp) 1149{ 1150 struct mbuf *control = *controlp; 1151 struct cmsghdr *cm = mtod(control, struct cmsghdr *); 1152 void *data; 1153 socklen_t clen = control->m_len, datalen; 1154 int error; 1155 1156 error = 0; 1157 *controlp = NULL; 1158 1159 while (cm != NULL) { 1160 if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) { 1161 error = EINVAL; 1162 break; 1163 } 1164 1165 data = FREEBSD32_CMSG_DATA(cm); 1166 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1167 1168 *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type, 1169 cm->cmsg_level); 1170 controlp = &(*controlp)->m_next; 1171 1172 if (FREEBSD32_CMSG_SPACE(datalen) < clen) { 1173 clen -= FREEBSD32_CMSG_SPACE(datalen); 1174 cm = (struct cmsghdr *) 1175 ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen)); 1176 } else { 1177 clen = 0; 1178 cm = NULL; 1179 } 1180 } 1181 1182 m_freem(control); 1183 return (error); 1184} 1185 1186 1187int 1188freebsd32_sendmsg(struct thread *td, 1189 struct freebsd32_sendmsg_args *uap) 1190{ 1191 struct msghdr msg; 1192 struct msghdr32 m32; 1193 struct iovec *iov; 1194 struct mbuf *control = NULL; 1195 struct sockaddr *to = NULL; 1196 int error; 1197 1198 error = copyin(uap->msg, &m32, sizeof(m32)); 1199 if (error) 1200 return (error); 1201 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1202 if (error) 1203 return (error); 1204 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1205 EMSGSIZE); 1206 if (error) 1207 return (error); 1208 msg.msg_iov = iov; 1209 if (msg.msg_name != NULL) { 1210 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1211 if (error) { 1212 to = NULL; 1213 goto out; 1214 } 1215 msg.msg_name = to; 1216 } 1217 1218 if (msg.msg_control) { 1219 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1220 error = EINVAL; 1221 goto out; 1222 } 1223 1224 error = sockargs(&control, msg.msg_control, 1225 msg.msg_controllen, MT_CONTROL); 1226 if (error) 1227 goto out; 1228 1229 error = freebsd32_convert_msg_in(&control); 1230 if (error) 1231 goto out; 1232 } 1233 1234 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1235 UIO_USERSPACE); 1236 1237out: 1238 free(iov, M_IOV); 1239 if (to) 1240 free(to, M_SONAME); 1241 return (error); 1242} 1243 1244int 1245freebsd32_recvfrom(struct thread *td, 1246 struct freebsd32_recvfrom_args *uap) 1247{ 1248 struct msghdr msg; 1249 struct iovec aiov; 1250 int error; 1251 1252 if (uap->fromlenaddr) { 1253 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1254 sizeof(msg.msg_namelen)); 1255 if (error) 1256 return (error); 1257 } else { 1258 msg.msg_namelen = 0; 1259 } 1260 1261 msg.msg_name = PTRIN(uap->from); 1262 msg.msg_iov = &aiov; 1263 msg.msg_iovlen = 1; 1264 aiov.iov_base = PTRIN(uap->buf); 1265 aiov.iov_len = uap->len; 1266 msg.msg_control = NULL; 1267 msg.msg_flags = uap->flags; 1268 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1269 if (error == 0 && uap->fromlenaddr) 1270 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1271 sizeof (msg.msg_namelen)); 1272 return (error); 1273} 1274 1275int 1276freebsd32_settimeofday(struct thread *td, 1277 struct freebsd32_settimeofday_args *uap) 1278{ 1279 struct timeval32 tv32; 1280 struct timeval tv, *tvp; 1281 struct timezone tz, *tzp; 1282 int error; 1283 1284 if (uap->tv) { 1285 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1286 if (error) 1287 return (error); 1288 CP(tv32, tv, tv_sec); 1289 CP(tv32, tv, tv_usec); 1290 tvp = &tv; 1291 } else 1292 tvp = NULL; 1293 if (uap->tzp) { 1294 error = copyin(uap->tzp, &tz, sizeof(tz)); 1295 if (error) 1296 return (error); 1297 tzp = &tz; 1298 } else 1299 tzp = NULL; 1300 return (kern_settimeofday(td, tvp, tzp)); 1301} 1302 1303int 1304freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1305{ 1306 struct timeval32 s32[2]; 1307 struct timeval s[2], *sp; 1308 int error; 1309 1310 if (uap->tptr != NULL) { 1311 error = copyin(uap->tptr, s32, sizeof(s32)); 1312 if (error) 1313 return (error); 1314 CP(s32[0], s[0], tv_sec); 1315 CP(s32[0], s[0], tv_usec); 1316 CP(s32[1], s[1], tv_sec); 1317 CP(s32[1], s[1], tv_usec); 1318 sp = s; 1319 } else 1320 sp = NULL; 1321 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1322} 1323 1324int 1325freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1326{ 1327 struct timeval32 s32[2]; 1328 struct timeval s[2], *sp; 1329 int error; 1330 1331 if (uap->tptr != NULL) { 1332 error = copyin(uap->tptr, s32, sizeof(s32)); 1333 if (error) 1334 return (error); 1335 CP(s32[0], s[0], tv_sec); 1336 CP(s32[0], s[0], tv_usec); 1337 CP(s32[1], s[1], tv_sec); 1338 CP(s32[1], s[1], tv_usec); 1339 sp = s; 1340 } else 1341 sp = NULL; 1342 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1343} 1344 1345int 1346freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1347{ 1348 struct timeval32 s32[2]; 1349 struct timeval s[2], *sp; 1350 int error; 1351 1352 if (uap->tptr != NULL) { 1353 error = copyin(uap->tptr, s32, sizeof(s32)); 1354 if (error) 1355 return (error); 1356 CP(s32[0], s[0], tv_sec); 1357 CP(s32[0], s[0], tv_usec); 1358 CP(s32[1], s[1], tv_sec); 1359 CP(s32[1], s[1], tv_usec); 1360 sp = s; 1361 } else 1362 sp = NULL; 1363 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1364} 1365 1366int 1367freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1368{ 1369 struct timeval32 s32[2]; 1370 struct timeval s[2], *sp; 1371 int error; 1372 1373 if (uap->times != NULL) { 1374 error = copyin(uap->times, s32, sizeof(s32)); 1375 if (error) 1376 return (error); 1377 CP(s32[0], s[0], tv_sec); 1378 CP(s32[0], s[0], tv_usec); 1379 CP(s32[1], s[1], tv_sec); 1380 CP(s32[1], s[1], tv_usec); 1381 sp = s; 1382 } else 1383 sp = NULL; 1384 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1385 sp, UIO_SYSSPACE)); 1386} 1387 1388int 1389freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1390{ 1391 struct timeval32 tv32; 1392 struct timeval delta, olddelta, *deltap; 1393 int error; 1394 1395 if (uap->delta) { 1396 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1397 if (error) 1398 return (error); 1399 CP(tv32, delta, tv_sec); 1400 CP(tv32, delta, tv_usec); 1401 deltap = δ 1402 } else 1403 deltap = NULL; 1404 error = kern_adjtime(td, deltap, &olddelta); 1405 if (uap->olddelta && error == 0) { 1406 CP(olddelta, tv32, tv_sec); 1407 CP(olddelta, tv32, tv_usec); 1408 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1409 } 1410 return (error); 1411} 1412 1413#ifdef COMPAT_FREEBSD4 1414int 1415freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1416{ 1417 struct statfs32 s32; 1418 struct statfs s; 1419 int error; 1420 1421 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1422 if (error) 1423 return (error); 1424 copy_statfs(&s, &s32); 1425 return (copyout(&s32, uap->buf, sizeof(s32))); 1426} 1427#endif 1428 1429#ifdef COMPAT_FREEBSD4 1430int 1431freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1432{ 1433 struct statfs32 s32; 1434 struct statfs s; 1435 int error; 1436 1437 error = kern_fstatfs(td, uap->fd, &s); 1438 if (error) 1439 return (error); 1440 copy_statfs(&s, &s32); 1441 return (copyout(&s32, uap->buf, sizeof(s32))); 1442} 1443#endif 1444 1445#ifdef COMPAT_FREEBSD4 1446int 1447freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1448{ 1449 struct statfs32 s32; 1450 struct statfs s; 1451 fhandle_t fh; 1452 int error; 1453 1454 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1455 return (error); 1456 error = kern_fhstatfs(td, fh, &s); 1457 if (error) 1458 return (error); 1459 copy_statfs(&s, &s32); 1460 return (copyout(&s32, uap->buf, sizeof(s32))); 1461} 1462#endif 1463 1464int 1465freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1466{ 1467 struct pread_args ap; 1468 1469 ap.fd = uap->fd; 1470 ap.buf = uap->buf; 1471 ap.nbyte = uap->nbyte; 1472 ap.offset = PAIR32TO64(off_t,uap->offset); 1473 return (sys_pread(td, &ap)); 1474} 1475 1476int 1477freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1478{ 1479 struct pwrite_args ap; 1480 1481 ap.fd = uap->fd; 1482 ap.buf = uap->buf; 1483 ap.nbyte = uap->nbyte; 1484 ap.offset = PAIR32TO64(off_t,uap->offset); 1485 return (sys_pwrite(td, &ap)); 1486} 1487 1488#ifdef COMPAT_43 1489int 1490ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap) 1491{ 1492 struct lseek_args nuap; 1493 1494 nuap.fd = uap->fd; 1495 nuap.offset = uap->offset; 1496 nuap.whence = uap->whence; 1497 return (sys_lseek(td, &nuap)); 1498} 1499#endif 1500 1501int 1502freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1503{ 1504 int error; 1505 struct lseek_args ap; 1506 off_t pos; 1507 1508 ap.fd = uap->fd; 1509 ap.offset = PAIR32TO64(off_t,uap->offset); 1510 ap.whence = uap->whence; 1511 error = sys_lseek(td, &ap); 1512 /* Expand the quad return into two parts for eax and edx */ 1513 pos = *(off_t *)(td->td_retval); 1514 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1515 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1516 return error; 1517} 1518 1519int 1520freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1521{ 1522 struct truncate_args ap; 1523 1524 ap.path = uap->path; 1525 ap.length = PAIR32TO64(off_t,uap->length); 1526 return (sys_truncate(td, &ap)); 1527} 1528 1529int 1530freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1531{ 1532 struct ftruncate_args ap; 1533 1534 ap.fd = uap->fd; 1535 ap.length = PAIR32TO64(off_t,uap->length); 1536 return (sys_ftruncate(td, &ap)); 1537} 1538 1539#ifdef COMPAT_43 1540int 1541ofreebsd32_getdirentries(struct thread *td, 1542 struct ofreebsd32_getdirentries_args *uap) 1543{ 1544 struct ogetdirentries_args ap; 1545 int error; 1546 long loff; 1547 int32_t loff_cut; 1548 1549 ap.fd = uap->fd; 1550 ap.buf = uap->buf; 1551 ap.count = uap->count; 1552 ap.basep = NULL; 1553 error = kern_ogetdirentries(td, &ap, &loff); 1554 if (error == 0) { 1555 loff_cut = loff; 1556 error = copyout(&loff_cut, uap->basep, sizeof(int32_t)); 1557 } 1558 return (error); 1559} 1560#endif 1561 1562int 1563freebsd32_getdirentries(struct thread *td, 1564 struct freebsd32_getdirentries_args *uap) 1565{ 1566 long base; 1567 int32_t base32; 1568 int error; 1569 1570 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base, 1571 NULL, UIO_USERSPACE); 1572 if (error) 1573 return (error); 1574 if (uap->basep != NULL) { 1575 base32 = base; 1576 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1577 } 1578 return (error); 1579} 1580 1581#ifdef COMPAT_FREEBSD6 1582/* versions with the 'int pad' argument */ 1583int 1584freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1585{ 1586 struct pread_args ap; 1587 1588 ap.fd = uap->fd; 1589 ap.buf = uap->buf; 1590 ap.nbyte = uap->nbyte; 1591 ap.offset = PAIR32TO64(off_t,uap->offset); 1592 return (sys_pread(td, &ap)); 1593} 1594 1595int 1596freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1597{ 1598 struct pwrite_args ap; 1599 1600 ap.fd = uap->fd; 1601 ap.buf = uap->buf; 1602 ap.nbyte = uap->nbyte; 1603 ap.offset = PAIR32TO64(off_t,uap->offset); 1604 return (sys_pwrite(td, &ap)); 1605} 1606 1607int 1608freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1609{ 1610 int error; 1611 struct lseek_args ap; 1612 off_t pos; 1613 1614 ap.fd = uap->fd; 1615 ap.offset = PAIR32TO64(off_t,uap->offset); 1616 ap.whence = uap->whence; 1617 error = sys_lseek(td, &ap); 1618 /* Expand the quad return into two parts for eax and edx */ 1619 pos = *(off_t *)(td->td_retval); 1620 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1621 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1622 return error; 1623} 1624 1625int 1626freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1627{ 1628 struct truncate_args ap; 1629 1630 ap.path = uap->path; 1631 ap.length = PAIR32TO64(off_t,uap->length); 1632 return (sys_truncate(td, &ap)); 1633} 1634 1635int 1636freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1637{ 1638 struct ftruncate_args ap; 1639 1640 ap.fd = uap->fd; 1641 ap.length = PAIR32TO64(off_t,uap->length); 1642 return (sys_ftruncate(td, &ap)); 1643} 1644#endif /* COMPAT_FREEBSD6 */ 1645 1646struct sf_hdtr32 { 1647 uint32_t headers; 1648 int hdr_cnt; 1649 uint32_t trailers; 1650 int trl_cnt; 1651}; 1652 1653static int 1654freebsd32_do_sendfile(struct thread *td, 1655 struct freebsd32_sendfile_args *uap, int compat) 1656{ 1657 struct sf_hdtr32 hdtr32; 1658 struct sf_hdtr hdtr; 1659 struct uio *hdr_uio, *trl_uio; 1660 struct iovec32 *iov32; 1661 struct file *fp; 1662 off_t offset; 1663 int error; 1664 1665 offset = PAIR32TO64(off_t, uap->offset); 1666 if (offset < 0) 1667 return (EINVAL); 1668 1669 hdr_uio = trl_uio = NULL; 1670 1671 if (uap->hdtr != NULL) { 1672 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1673 if (error) 1674 goto out; 1675 PTRIN_CP(hdtr32, hdtr, headers); 1676 CP(hdtr32, hdtr, hdr_cnt); 1677 PTRIN_CP(hdtr32, hdtr, trailers); 1678 CP(hdtr32, hdtr, trl_cnt); 1679 1680 if (hdtr.headers != NULL) { 1681 iov32 = PTRIN(hdtr32.headers); 1682 error = freebsd32_copyinuio(iov32, 1683 hdtr32.hdr_cnt, &hdr_uio); 1684 if (error) 1685 goto out; 1686 } 1687 if (hdtr.trailers != NULL) { 1688 iov32 = PTRIN(hdtr32.trailers); 1689 error = freebsd32_copyinuio(iov32, 1690 hdtr32.trl_cnt, &trl_uio); 1691 if (error) 1692 goto out; 1693 } 1694 } 1695 1696 AUDIT_ARG_FD(uap->fd); 1697 1698 if ((error = fget_read(td, uap->fd, CAP_PREAD, &fp)) != 0) 1699 goto out; 1700 1701 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset, 1702 uap->nbytes, uap->sbytes, uap->flags, compat ? SFK_COMPAT : 0, td); 1703 fdrop(fp, td); 1704 1705out: 1706 if (hdr_uio) 1707 free(hdr_uio, M_IOV); 1708 if (trl_uio) 1709 free(trl_uio, M_IOV); 1710 return (error); 1711} 1712 1713#ifdef COMPAT_FREEBSD4 1714int 1715freebsd4_freebsd32_sendfile(struct thread *td, 1716 struct freebsd4_freebsd32_sendfile_args *uap) 1717{ 1718 return (freebsd32_do_sendfile(td, 1719 (struct freebsd32_sendfile_args *)uap, 1)); 1720} 1721#endif 1722 1723int 1724freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1725{ 1726 1727 return (freebsd32_do_sendfile(td, uap, 0)); 1728} 1729 1730static void 1731copy_stat(struct stat *in, struct stat32 *out) 1732{ 1733 1734 CP(*in, *out, st_dev); 1735 CP(*in, *out, st_ino); 1736 CP(*in, *out, st_mode); 1737 CP(*in, *out, st_nlink); 1738 CP(*in, *out, st_uid); 1739 CP(*in, *out, st_gid); 1740 CP(*in, *out, st_rdev); 1741 TS_CP(*in, *out, st_atim); 1742 TS_CP(*in, *out, st_mtim); 1743 TS_CP(*in, *out, st_ctim); 1744 CP(*in, *out, st_size); 1745 CP(*in, *out, st_blocks); 1746 CP(*in, *out, st_blksize); 1747 CP(*in, *out, st_flags); 1748 CP(*in, *out, st_gen); 1749 TS_CP(*in, *out, st_birthtim); 1750} 1751 1752#ifdef COMPAT_43 1753static void 1754copy_ostat(struct stat *in, struct ostat32 *out) 1755{ 1756 1757 CP(*in, *out, st_dev); 1758 CP(*in, *out, st_ino); 1759 CP(*in, *out, st_mode); 1760 CP(*in, *out, st_nlink); 1761 CP(*in, *out, st_uid); 1762 CP(*in, *out, st_gid); 1763 CP(*in, *out, st_rdev); 1764 CP(*in, *out, st_size); 1765 TS_CP(*in, *out, st_atim); 1766 TS_CP(*in, *out, st_mtim); 1767 TS_CP(*in, *out, st_ctim); 1768 CP(*in, *out, st_blksize); 1769 CP(*in, *out, st_blocks); 1770 CP(*in, *out, st_flags); 1771 CP(*in, *out, st_gen); 1772} 1773#endif 1774 1775int 1776freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1777{ 1778 struct stat sb; 1779 struct stat32 sb32; 1780 int error; 1781 1782 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1783 if (error) 1784 return (error); 1785 copy_stat(&sb, &sb32); 1786 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1787 return (error); 1788} 1789 1790#ifdef COMPAT_43 1791int 1792ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap) 1793{ 1794 struct stat sb; 1795 struct ostat32 sb32; 1796 int error; 1797 1798 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1799 if (error) 1800 return (error); 1801 copy_ostat(&sb, &sb32); 1802 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1803 return (error); 1804} 1805#endif 1806 1807int 1808freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1809{ 1810 struct stat ub; 1811 struct stat32 ub32; 1812 int error; 1813 1814 error = kern_fstat(td, uap->fd, &ub); 1815 if (error) 1816 return (error); 1817 copy_stat(&ub, &ub32); 1818 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1819 return (error); 1820} 1821 1822#ifdef COMPAT_43 1823int 1824ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap) 1825{ 1826 struct stat ub; 1827 struct ostat32 ub32; 1828 int error; 1829 1830 error = kern_fstat(td, uap->fd, &ub); 1831 if (error) 1832 return (error); 1833 copy_ostat(&ub, &ub32); 1834 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1835 return (error); 1836} 1837#endif 1838 1839int 1840freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 1841{ 1842 struct stat ub; 1843 struct stat32 ub32; 1844 int error; 1845 1846 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub); 1847 if (error) 1848 return (error); 1849 copy_stat(&ub, &ub32); 1850 error = copyout(&ub32, uap->buf, sizeof(ub32)); 1851 return (error); 1852} 1853 1854int 1855freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1856{ 1857 struct stat sb; 1858 struct stat32 sb32; 1859 int error; 1860 1861 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1862 if (error) 1863 return (error); 1864 copy_stat(&sb, &sb32); 1865 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1866 return (error); 1867} 1868 1869#ifdef COMPAT_43 1870int 1871ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap) 1872{ 1873 struct stat sb; 1874 struct ostat32 sb32; 1875 int error; 1876 1877 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1878 if (error) 1879 return (error); 1880 copy_ostat(&sb, &sb32); 1881 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1882 return (error); 1883} 1884#endif 1885 1886int 1887freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1888{ 1889 int error, name[CTL_MAXNAME]; 1890 size_t j, oldlen; 1891 1892 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1893 return (EINVAL); 1894 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1895 if (error) 1896 return (error); 1897 if (uap->oldlenp) 1898 oldlen = fuword32(uap->oldlenp); 1899 else 1900 oldlen = 0; 1901 error = userland_sysctl(td, name, uap->namelen, 1902 uap->old, &oldlen, 1, 1903 uap->new, uap->newlen, &j, SCTL_MASK32); 1904 if (error && error != ENOMEM) 1905 return (error); 1906 if (uap->oldlenp) 1907 suword32(uap->oldlenp, j); 1908 return (0); 1909} 1910 1911int 1912freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 1913{ 1914 uint32_t version; 1915 int error; 1916 struct jail j; 1917 1918 error = copyin(uap->jail, &version, sizeof(uint32_t)); 1919 if (error) 1920 return (error); 1921 1922 switch (version) { 1923 case 0: 1924 { 1925 /* FreeBSD single IPv4 jails. */ 1926 struct jail32_v0 j32_v0; 1927 1928 bzero(&j, sizeof(struct jail)); 1929 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 1930 if (error) 1931 return (error); 1932 CP(j32_v0, j, version); 1933 PTRIN_CP(j32_v0, j, path); 1934 PTRIN_CP(j32_v0, j, hostname); 1935 j.ip4s = j32_v0.ip_number; 1936 break; 1937 } 1938 1939 case 1: 1940 /* 1941 * Version 1 was used by multi-IPv4 jail implementations 1942 * that never made it into the official kernel. 1943 */ 1944 return (EINVAL); 1945 1946 case 2: /* JAIL_API_VERSION */ 1947 { 1948 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 1949 struct jail32 j32; 1950 1951 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 1952 if (error) 1953 return (error); 1954 CP(j32, j, version); 1955 PTRIN_CP(j32, j, path); 1956 PTRIN_CP(j32, j, hostname); 1957 PTRIN_CP(j32, j, jailname); 1958 CP(j32, j, ip4s); 1959 CP(j32, j, ip6s); 1960 PTRIN_CP(j32, j, ip4); 1961 PTRIN_CP(j32, j, ip6); 1962 break; 1963 } 1964 1965 default: 1966 /* Sci-Fi jails are not supported, sorry. */ 1967 return (EINVAL); 1968 } 1969 return (kern_jail(td, &j)); 1970} 1971 1972int 1973freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 1974{ 1975 struct uio *auio; 1976 int error; 1977 1978 /* Check that we have an even number of iovecs. */ 1979 if (uap->iovcnt & 1) 1980 return (EINVAL); 1981 1982 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1983 if (error) 1984 return (error); 1985 error = kern_jail_set(td, auio, uap->flags); 1986 free(auio, M_IOV); 1987 return (error); 1988} 1989 1990int 1991freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 1992{ 1993 struct iovec32 iov32; 1994 struct uio *auio; 1995 int error, i; 1996 1997 /* Check that we have an even number of iovecs. */ 1998 if (uap->iovcnt & 1) 1999 return (EINVAL); 2000 2001 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2002 if (error) 2003 return (error); 2004 error = kern_jail_get(td, auio, uap->flags); 2005 if (error == 0) 2006 for (i = 0; i < uap->iovcnt; i++) { 2007 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 2008 CP(auio->uio_iov[i], iov32, iov_len); 2009 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2010 if (error != 0) 2011 break; 2012 } 2013 free(auio, M_IOV); 2014 return (error); 2015} 2016 2017int 2018freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2019{ 2020 struct sigaction32 s32; 2021 struct sigaction sa, osa, *sap; 2022 int error; 2023 2024 if (uap->act) { 2025 error = copyin(uap->act, &s32, sizeof(s32)); 2026 if (error) 2027 return (error); 2028 sa.sa_handler = PTRIN(s32.sa_u); 2029 CP(s32, sa, sa_flags); 2030 CP(s32, sa, sa_mask); 2031 sap = &sa; 2032 } else 2033 sap = NULL; 2034 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2035 if (error == 0 && uap->oact != NULL) { 2036 s32.sa_u = PTROUT(osa.sa_handler); 2037 CP(osa, s32, sa_flags); 2038 CP(osa, s32, sa_mask); 2039 error = copyout(&s32, uap->oact, sizeof(s32)); 2040 } 2041 return (error); 2042} 2043 2044#ifdef COMPAT_FREEBSD4 2045int 2046freebsd4_freebsd32_sigaction(struct thread *td, 2047 struct freebsd4_freebsd32_sigaction_args *uap) 2048{ 2049 struct sigaction32 s32; 2050 struct sigaction sa, osa, *sap; 2051 int error; 2052 2053 if (uap->act) { 2054 error = copyin(uap->act, &s32, sizeof(s32)); 2055 if (error) 2056 return (error); 2057 sa.sa_handler = PTRIN(s32.sa_u); 2058 CP(s32, sa, sa_flags); 2059 CP(s32, sa, sa_mask); 2060 sap = &sa; 2061 } else 2062 sap = NULL; 2063 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2064 if (error == 0 && uap->oact != NULL) { 2065 s32.sa_u = PTROUT(osa.sa_handler); 2066 CP(osa, s32, sa_flags); 2067 CP(osa, s32, sa_mask); 2068 error = copyout(&s32, uap->oact, sizeof(s32)); 2069 } 2070 return (error); 2071} 2072#endif 2073 2074#ifdef COMPAT_43 2075struct osigaction32 { 2076 u_int32_t sa_u; 2077 osigset_t sa_mask; 2078 int sa_flags; 2079}; 2080 2081#define ONSIG 32 2082 2083int 2084ofreebsd32_sigaction(struct thread *td, 2085 struct ofreebsd32_sigaction_args *uap) 2086{ 2087 struct osigaction32 s32; 2088 struct sigaction sa, osa, *sap; 2089 int error; 2090 2091 if (uap->signum <= 0 || uap->signum >= ONSIG) 2092 return (EINVAL); 2093 2094 if (uap->nsa) { 2095 error = copyin(uap->nsa, &s32, sizeof(s32)); 2096 if (error) 2097 return (error); 2098 sa.sa_handler = PTRIN(s32.sa_u); 2099 CP(s32, sa, sa_flags); 2100 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2101 sap = &sa; 2102 } else 2103 sap = NULL; 2104 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2105 if (error == 0 && uap->osa != NULL) { 2106 s32.sa_u = PTROUT(osa.sa_handler); 2107 CP(osa, s32, sa_flags); 2108 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2109 error = copyout(&s32, uap->osa, sizeof(s32)); 2110 } 2111 return (error); 2112} 2113 2114int 2115ofreebsd32_sigprocmask(struct thread *td, 2116 struct ofreebsd32_sigprocmask_args *uap) 2117{ 2118 sigset_t set, oset; 2119 int error; 2120 2121 OSIG2SIG(uap->mask, set); 2122 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2123 SIG2OSIG(oset, td->td_retval[0]); 2124 return (error); 2125} 2126 2127int 2128ofreebsd32_sigpending(struct thread *td, 2129 struct ofreebsd32_sigpending_args *uap) 2130{ 2131 struct proc *p = td->td_proc; 2132 sigset_t siglist; 2133 2134 PROC_LOCK(p); 2135 siglist = p->p_siglist; 2136 SIGSETOR(siglist, td->td_siglist); 2137 PROC_UNLOCK(p); 2138 SIG2OSIG(siglist, td->td_retval[0]); 2139 return (0); 2140} 2141 2142struct sigvec32 { 2143 u_int32_t sv_handler; 2144 int sv_mask; 2145 int sv_flags; 2146}; 2147 2148int 2149ofreebsd32_sigvec(struct thread *td, 2150 struct ofreebsd32_sigvec_args *uap) 2151{ 2152 struct sigvec32 vec; 2153 struct sigaction sa, osa, *sap; 2154 int error; 2155 2156 if (uap->signum <= 0 || uap->signum >= ONSIG) 2157 return (EINVAL); 2158 2159 if (uap->nsv) { 2160 error = copyin(uap->nsv, &vec, sizeof(vec)); 2161 if (error) 2162 return (error); 2163 sa.sa_handler = PTRIN(vec.sv_handler); 2164 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2165 sa.sa_flags = vec.sv_flags; 2166 sa.sa_flags ^= SA_RESTART; 2167 sap = &sa; 2168 } else 2169 sap = NULL; 2170 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2171 if (error == 0 && uap->osv != NULL) { 2172 vec.sv_handler = PTROUT(osa.sa_handler); 2173 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2174 vec.sv_flags = osa.sa_flags; 2175 vec.sv_flags &= ~SA_NOCLDWAIT; 2176 vec.sv_flags ^= SA_RESTART; 2177 error = copyout(&vec, uap->osv, sizeof(vec)); 2178 } 2179 return (error); 2180} 2181 2182int 2183ofreebsd32_sigblock(struct thread *td, 2184 struct ofreebsd32_sigblock_args *uap) 2185{ 2186 sigset_t set, oset; 2187 2188 OSIG2SIG(uap->mask, set); 2189 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2190 SIG2OSIG(oset, td->td_retval[0]); 2191 return (0); 2192} 2193 2194int 2195ofreebsd32_sigsetmask(struct thread *td, 2196 struct ofreebsd32_sigsetmask_args *uap) 2197{ 2198 sigset_t set, oset; 2199 2200 OSIG2SIG(uap->mask, set); 2201 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2202 SIG2OSIG(oset, td->td_retval[0]); 2203 return (0); 2204} 2205 2206int 2207ofreebsd32_sigsuspend(struct thread *td, 2208 struct ofreebsd32_sigsuspend_args *uap) 2209{ 2210 sigset_t mask; 2211 2212 OSIG2SIG(uap->mask, mask); 2213 return (kern_sigsuspend(td, mask)); 2214} 2215 2216struct sigstack32 { 2217 u_int32_t ss_sp; 2218 int ss_onstack; 2219}; 2220 2221int 2222ofreebsd32_sigstack(struct thread *td, 2223 struct ofreebsd32_sigstack_args *uap) 2224{ 2225 struct sigstack32 s32; 2226 struct sigstack nss, oss; 2227 int error = 0, unss; 2228 2229 if (uap->nss != NULL) { 2230 error = copyin(uap->nss, &s32, sizeof(s32)); 2231 if (error) 2232 return (error); 2233 nss.ss_sp = PTRIN(s32.ss_sp); 2234 CP(s32, nss, ss_onstack); 2235 unss = 1; 2236 } else { 2237 unss = 0; 2238 } 2239 oss.ss_sp = td->td_sigstk.ss_sp; 2240 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2241 if (unss) { 2242 td->td_sigstk.ss_sp = nss.ss_sp; 2243 td->td_sigstk.ss_size = 0; 2244 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2245 td->td_pflags |= TDP_ALTSTACK; 2246 } 2247 if (uap->oss != NULL) { 2248 s32.ss_sp = PTROUT(oss.ss_sp); 2249 CP(oss, s32, ss_onstack); 2250 error = copyout(&s32, uap->oss, sizeof(s32)); 2251 } 2252 return (error); 2253} 2254#endif 2255 2256int 2257freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2258{ 2259 struct timespec32 rmt32, rqt32; 2260 struct timespec rmt, rqt; 2261 int error; 2262 2263 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2264 if (error) 2265 return (error); 2266 2267 CP(rqt32, rqt, tv_sec); 2268 CP(rqt32, rqt, tv_nsec); 2269 2270 if (uap->rmtp && 2271 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2272 return (EFAULT); 2273 error = kern_nanosleep(td, &rqt, &rmt); 2274 if (error && uap->rmtp) { 2275 int error2; 2276 2277 CP(rmt, rmt32, tv_sec); 2278 CP(rmt, rmt32, tv_nsec); 2279 2280 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2281 if (error2) 2282 error = error2; 2283 } 2284 return (error); 2285} 2286 2287int 2288freebsd32_clock_gettime(struct thread *td, 2289 struct freebsd32_clock_gettime_args *uap) 2290{ 2291 struct timespec ats; 2292 struct timespec32 ats32; 2293 int error; 2294 2295 error = kern_clock_gettime(td, uap->clock_id, &ats); 2296 if (error == 0) { 2297 CP(ats, ats32, tv_sec); 2298 CP(ats, ats32, tv_nsec); 2299 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2300 } 2301 return (error); 2302} 2303 2304int 2305freebsd32_clock_settime(struct thread *td, 2306 struct freebsd32_clock_settime_args *uap) 2307{ 2308 struct timespec ats; 2309 struct timespec32 ats32; 2310 int error; 2311 2312 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2313 if (error) 2314 return (error); 2315 CP(ats32, ats, tv_sec); 2316 CP(ats32, ats, tv_nsec); 2317 2318 return (kern_clock_settime(td, uap->clock_id, &ats)); 2319} 2320 2321int 2322freebsd32_clock_getres(struct thread *td, 2323 struct freebsd32_clock_getres_args *uap) 2324{ 2325 struct timespec ts; 2326 struct timespec32 ts32; 2327 int error; 2328 2329 if (uap->tp == NULL) 2330 return (0); 2331 error = kern_clock_getres(td, uap->clock_id, &ts); 2332 if (error == 0) { 2333 CP(ts, ts32, tv_sec); 2334 CP(ts, ts32, tv_nsec); 2335 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2336 } 2337 return (error); 2338} 2339 2340int freebsd32_ktimer_create(struct thread *td, 2341 struct freebsd32_ktimer_create_args *uap) 2342{ 2343 struct sigevent32 ev32; 2344 struct sigevent ev, *evp; 2345 int error, id; 2346 2347 if (uap->evp == NULL) { 2348 evp = NULL; 2349 } else { 2350 evp = &ev; 2351 error = copyin(uap->evp, &ev32, sizeof(ev32)); 2352 if (error != 0) 2353 return (error); 2354 error = convert_sigevent32(&ev32, &ev); 2355 if (error != 0) 2356 return (error); 2357 } 2358 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1); 2359 if (error == 0) { 2360 error = copyout(&id, uap->timerid, sizeof(int)); 2361 if (error != 0) 2362 kern_ktimer_delete(td, id); 2363 } 2364 return (error); 2365} 2366 2367int 2368freebsd32_ktimer_settime(struct thread *td, 2369 struct freebsd32_ktimer_settime_args *uap) 2370{ 2371 struct itimerspec32 val32, oval32; 2372 struct itimerspec val, oval, *ovalp; 2373 int error; 2374 2375 error = copyin(uap->value, &val32, sizeof(val32)); 2376 if (error != 0) 2377 return (error); 2378 ITS_CP(val32, val); 2379 ovalp = uap->ovalue != NULL ? &oval : NULL; 2380 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp); 2381 if (error == 0 && uap->ovalue != NULL) { 2382 ITS_CP(oval, oval32); 2383 error = copyout(&oval32, uap->ovalue, sizeof(oval32)); 2384 } 2385 return (error); 2386} 2387 2388int 2389freebsd32_ktimer_gettime(struct thread *td, 2390 struct freebsd32_ktimer_gettime_args *uap) 2391{ 2392 struct itimerspec32 val32; 2393 struct itimerspec val; 2394 int error; 2395 2396 error = kern_ktimer_gettime(td, uap->timerid, &val); 2397 if (error == 0) { 2398 ITS_CP(val, val32); 2399 error = copyout(&val32, uap->value, sizeof(val32)); 2400 } 2401 return (error); 2402} 2403 2404int 2405freebsd32_clock_getcpuclockid2(struct thread *td, 2406 struct freebsd32_clock_getcpuclockid2_args *uap) 2407{ 2408 clockid_t clk_id; 2409 int error; 2410 2411 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id), 2412 uap->which, &clk_id); 2413 if (error == 0) 2414 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t)); 2415 return (error); 2416} 2417 2418int 2419freebsd32_thr_new(struct thread *td, 2420 struct freebsd32_thr_new_args *uap) 2421{ 2422 struct thr_param32 param32; 2423 struct thr_param param; 2424 int error; 2425 2426 if (uap->param_size < 0 || 2427 uap->param_size > sizeof(struct thr_param32)) 2428 return (EINVAL); 2429 bzero(¶m, sizeof(struct thr_param)); 2430 bzero(¶m32, sizeof(struct thr_param32)); 2431 error = copyin(uap->param, ¶m32, uap->param_size); 2432 if (error != 0) 2433 return (error); 2434 param.start_func = PTRIN(param32.start_func); 2435 param.arg = PTRIN(param32.arg); 2436 param.stack_base = PTRIN(param32.stack_base); 2437 param.stack_size = param32.stack_size; 2438 param.tls_base = PTRIN(param32.tls_base); 2439 param.tls_size = param32.tls_size; 2440 param.child_tid = PTRIN(param32.child_tid); 2441 param.parent_tid = PTRIN(param32.parent_tid); 2442 param.flags = param32.flags; 2443 param.rtp = PTRIN(param32.rtp); 2444 param.spare[0] = PTRIN(param32.spare[0]); 2445 param.spare[1] = PTRIN(param32.spare[1]); 2446 param.spare[2] = PTRIN(param32.spare[2]); 2447 2448 return (kern_thr_new(td, ¶m)); 2449} 2450 2451int 2452freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2453{ 2454 struct timespec32 ts32; 2455 struct timespec ts, *tsp; 2456 int error; 2457 2458 error = 0; 2459 tsp = NULL; 2460 if (uap->timeout != NULL) { 2461 error = copyin((const void *)uap->timeout, (void *)&ts32, 2462 sizeof(struct timespec32)); 2463 if (error != 0) 2464 return (error); 2465 ts.tv_sec = ts32.tv_sec; 2466 ts.tv_nsec = ts32.tv_nsec; 2467 tsp = &ts; 2468 } 2469 return (kern_thr_suspend(td, tsp)); 2470} 2471 2472void 2473siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2474{ 2475 bzero(dst, sizeof(*dst)); 2476 dst->si_signo = src->si_signo; 2477 dst->si_errno = src->si_errno; 2478 dst->si_code = src->si_code; 2479 dst->si_pid = src->si_pid; 2480 dst->si_uid = src->si_uid; 2481 dst->si_status = src->si_status; 2482 dst->si_addr = (uintptr_t)src->si_addr; 2483 dst->si_value.sival_int = src->si_value.sival_int; 2484 dst->si_timerid = src->si_timerid; 2485 dst->si_overrun = src->si_overrun; 2486} 2487 2488int 2489freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2490{ 2491 struct timespec32 ts32; 2492 struct timespec ts; 2493 struct timespec *timeout; 2494 sigset_t set; 2495 ksiginfo_t ksi; 2496 struct siginfo32 si32; 2497 int error; 2498 2499 if (uap->timeout) { 2500 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2501 if (error) 2502 return (error); 2503 ts.tv_sec = ts32.tv_sec; 2504 ts.tv_nsec = ts32.tv_nsec; 2505 timeout = &ts; 2506 } else 2507 timeout = NULL; 2508 2509 error = copyin(uap->set, &set, sizeof(set)); 2510 if (error) 2511 return (error); 2512 2513 error = kern_sigtimedwait(td, set, &ksi, timeout); 2514 if (error) 2515 return (error); 2516 2517 if (uap->info) { 2518 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2519 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2520 } 2521 2522 if (error == 0) 2523 td->td_retval[0] = ksi.ksi_signo; 2524 return (error); 2525} 2526 2527/* 2528 * MPSAFE 2529 */ 2530int 2531freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2532{ 2533 ksiginfo_t ksi; 2534 struct siginfo32 si32; 2535 sigset_t set; 2536 int error; 2537 2538 error = copyin(uap->set, &set, sizeof(set)); 2539 if (error) 2540 return (error); 2541 2542 error = kern_sigtimedwait(td, set, &ksi, NULL); 2543 if (error) 2544 return (error); 2545 2546 if (uap->info) { 2547 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2548 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2549 } 2550 if (error == 0) 2551 td->td_retval[0] = ksi.ksi_signo; 2552 return (error); 2553} 2554 2555int 2556freebsd32_cpuset_setid(struct thread *td, 2557 struct freebsd32_cpuset_setid_args *uap) 2558{ 2559 struct cpuset_setid_args ap; 2560 2561 ap.which = uap->which; 2562 ap.id = PAIR32TO64(id_t,uap->id); 2563 ap.setid = uap->setid; 2564 2565 return (sys_cpuset_setid(td, &ap)); 2566} 2567 2568int 2569freebsd32_cpuset_getid(struct thread *td, 2570 struct freebsd32_cpuset_getid_args *uap) 2571{ 2572 struct cpuset_getid_args ap; 2573 2574 ap.level = uap->level; 2575 ap.which = uap->which; 2576 ap.id = PAIR32TO64(id_t,uap->id); 2577 ap.setid = uap->setid; 2578 2579 return (sys_cpuset_getid(td, &ap)); 2580} 2581 2582int 2583freebsd32_cpuset_getaffinity(struct thread *td, 2584 struct freebsd32_cpuset_getaffinity_args *uap) 2585{ 2586 struct cpuset_getaffinity_args ap; 2587 2588 ap.level = uap->level; 2589 ap.which = uap->which; 2590 ap.id = PAIR32TO64(id_t,uap->id); 2591 ap.cpusetsize = uap->cpusetsize; 2592 ap.mask = uap->mask; 2593 2594 return (sys_cpuset_getaffinity(td, &ap)); 2595} 2596 2597int 2598freebsd32_cpuset_setaffinity(struct thread *td, 2599 struct freebsd32_cpuset_setaffinity_args *uap) 2600{ 2601 struct cpuset_setaffinity_args ap; 2602 2603 ap.level = uap->level; 2604 ap.which = uap->which; 2605 ap.id = PAIR32TO64(id_t,uap->id); 2606 ap.cpusetsize = uap->cpusetsize; 2607 ap.mask = uap->mask; 2608 2609 return (sys_cpuset_setaffinity(td, &ap)); 2610} 2611 2612int 2613freebsd32_nmount(struct thread *td, 2614 struct freebsd32_nmount_args /* { 2615 struct iovec *iovp; 2616 unsigned int iovcnt; 2617 int flags; 2618 } */ *uap) 2619{ 2620 struct uio *auio; 2621 uint64_t flags; 2622 int error; 2623 2624 /* 2625 * Mount flags are now 64-bits. On 32-bit archtectures only 2626 * 32-bits are passed in, but from here on everything handles 2627 * 64-bit flags correctly. 2628 */ 2629 flags = uap->flags; 2630 2631 AUDIT_ARG_FFLAGS(flags); 2632 2633 /* 2634 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2635 * userspace to set this flag, but we must filter it out if we want 2636 * MNT_UPDATE on the root file system to work. 2637 * MNT_ROOTFS should only be set by the kernel when mounting its 2638 * root file system. 2639 */ 2640 flags &= ~MNT_ROOTFS; 2641 2642 /* 2643 * check that we have an even number of iovec's 2644 * and that we have at least two options. 2645 */ 2646 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2647 return (EINVAL); 2648 2649 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2650 if (error) 2651 return (error); 2652 error = vfs_donmount(td, flags, auio); 2653 2654 free(auio, M_IOV); 2655 return error; 2656} 2657 2658#if 0 2659int 2660freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2661{ 2662 struct yyy32 *p32, s32; 2663 struct yyy *p = NULL, s; 2664 struct xxx_arg ap; 2665 int error; 2666 2667 if (uap->zzz) { 2668 error = copyin(uap->zzz, &s32, sizeof(s32)); 2669 if (error) 2670 return (error); 2671 /* translate in */ 2672 p = &s; 2673 } 2674 error = kern_xxx(td, p); 2675 if (error) 2676 return (error); 2677 if (uap->zzz) { 2678 /* translate out */ 2679 error = copyout(&s32, p32, sizeof(s32)); 2680 } 2681 return (error); 2682} 2683#endif 2684 2685int 2686syscall32_register(int *offset, struct sysent *new_sysent, 2687 struct sysent *old_sysent) 2688{ 2689 if (*offset == NO_SYSCALL) { 2690 int i; 2691 2692 for (i = 1; i < SYS_MAXSYSCALL; ++i) 2693 if (freebsd32_sysent[i].sy_call == 2694 (sy_call_t *)lkmnosys) 2695 break; 2696 if (i == SYS_MAXSYSCALL) 2697 return (ENFILE); 2698 *offset = i; 2699 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2700 return (EINVAL); 2701 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2702 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2703 return (EEXIST); 2704 2705 *old_sysent = freebsd32_sysent[*offset]; 2706 freebsd32_sysent[*offset] = *new_sysent; 2707 return 0; 2708} 2709 2710int 2711syscall32_deregister(int *offset, struct sysent *old_sysent) 2712{ 2713 2714 if (*offset) 2715 freebsd32_sysent[*offset] = *old_sysent; 2716 return 0; 2717} 2718 2719int 2720syscall32_module_handler(struct module *mod, int what, void *arg) 2721{ 2722 struct syscall_module_data *data = (struct syscall_module_data*)arg; 2723 modspecific_t ms; 2724 int error; 2725 2726 switch (what) { 2727 case MOD_LOAD: 2728 error = syscall32_register(data->offset, data->new_sysent, 2729 &data->old_sysent); 2730 if (error) { 2731 /* Leave a mark so we know to safely unload below. */ 2732 data->offset = NULL; 2733 return error; 2734 } 2735 ms.intval = *data->offset; 2736 MOD_XLOCK; 2737 module_setspecific(mod, &ms); 2738 MOD_XUNLOCK; 2739 if (data->chainevh) 2740 error = data->chainevh(mod, what, data->chainarg); 2741 return (error); 2742 case MOD_UNLOAD: 2743 /* 2744 * MOD_LOAD failed, so just return without calling the 2745 * chained handler since we didn't pass along the MOD_LOAD 2746 * event. 2747 */ 2748 if (data->offset == NULL) 2749 return (0); 2750 if (data->chainevh) { 2751 error = data->chainevh(mod, what, data->chainarg); 2752 if (error) 2753 return (error); 2754 } 2755 error = syscall32_deregister(data->offset, &data->old_sysent); 2756 return (error); 2757 default: 2758 error = EOPNOTSUPP; 2759 if (data->chainevh) 2760 error = data->chainevh(mod, what, data->chainarg); 2761 return (error); 2762 } 2763} 2764 2765int 2766syscall32_helper_register(struct syscall_helper_data *sd) 2767{ 2768 struct syscall_helper_data *sd1; 2769 int error; 2770 2771 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) { 2772 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent, 2773 &sd1->old_sysent); 2774 if (error != 0) { 2775 syscall32_helper_unregister(sd); 2776 return (error); 2777 } 2778 sd1->registered = 1; 2779 } 2780 return (0); 2781} 2782 2783int 2784syscall32_helper_unregister(struct syscall_helper_data *sd) 2785{ 2786 struct syscall_helper_data *sd1; 2787 2788 for (sd1 = sd; sd1->registered != 0; sd1++) { 2789 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent); 2790 sd1->registered = 0; 2791 } 2792 return (0); 2793} 2794 2795register_t * 2796freebsd32_copyout_strings(struct image_params *imgp) 2797{ 2798 int argc, envc, i; 2799 u_int32_t *vectp; 2800 char *stringp, *destp; 2801 u_int32_t *stack_base; 2802 struct freebsd32_ps_strings *arginfo; 2803 char canary[sizeof(long) * 8]; 2804 int32_t pagesizes32[MAXPAGESIZES]; 2805 size_t execpath_len; 2806 int szsigcode; 2807 2808 /* 2809 * Calculate string base and vector table pointers. 2810 * Also deal with signal trampoline code for this exec type. 2811 */ 2812 if (imgp->execpath != NULL && imgp->auxargs != NULL) 2813 execpath_len = strlen(imgp->execpath) + 1; 2814 else 2815 execpath_len = 0; 2816 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 2817 sv_psstrings; 2818 if (imgp->proc->p_sysent->sv_sigcode_base == 0) 2819 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 2820 else 2821 szsigcode = 0; 2822 destp = (caddr_t)arginfo - szsigcode - SPARE_USRSPACE - 2823 roundup(execpath_len, sizeof(char *)) - 2824 roundup(sizeof(canary), sizeof(char *)) - 2825 roundup(sizeof(pagesizes32), sizeof(char *)) - 2826 roundup((ARG_MAX - imgp->args->stringspace), sizeof(char *)); 2827 2828 /* 2829 * install sigcode 2830 */ 2831 if (szsigcode != 0) 2832 copyout(imgp->proc->p_sysent->sv_sigcode, 2833 ((caddr_t)arginfo - szsigcode), szsigcode); 2834 2835 /* 2836 * Copy the image path for the rtld. 2837 */ 2838 if (execpath_len != 0) { 2839 imgp->execpathp = (uintptr_t)arginfo - szsigcode - execpath_len; 2840 copyout(imgp->execpath, (void *)imgp->execpathp, 2841 execpath_len); 2842 } 2843 2844 /* 2845 * Prepare the canary for SSP. 2846 */ 2847 arc4rand(canary, sizeof(canary), 0); 2848 imgp->canary = (uintptr_t)arginfo - szsigcode - execpath_len - 2849 sizeof(canary); 2850 copyout(canary, (void *)imgp->canary, sizeof(canary)); 2851 imgp->canarylen = sizeof(canary); 2852 2853 /* 2854 * Prepare the pagesizes array. 2855 */ 2856 for (i = 0; i < MAXPAGESIZES; i++) 2857 pagesizes32[i] = (uint32_t)pagesizes[i]; 2858 imgp->pagesizes = (uintptr_t)arginfo - szsigcode - execpath_len - 2859 roundup(sizeof(canary), sizeof(char *)) - sizeof(pagesizes32); 2860 copyout(pagesizes32, (void *)imgp->pagesizes, sizeof(pagesizes32)); 2861 imgp->pagesizeslen = sizeof(pagesizes32); 2862 2863 /* 2864 * If we have a valid auxargs ptr, prepare some room 2865 * on the stack. 2866 */ 2867 if (imgp->auxargs) { 2868 /* 2869 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 2870 * lower compatibility. 2871 */ 2872 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 2873 : (AT_COUNT * 2); 2874 /* 2875 * The '+ 2' is for the null pointers at the end of each of 2876 * the arg and env vector sets,and imgp->auxarg_size is room 2877 * for argument of Runtime loader. 2878 */ 2879 vectp = (u_int32_t *) (destp - (imgp->args->argc + 2880 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 2881 sizeof(u_int32_t)); 2882 } else 2883 /* 2884 * The '+ 2' is for the null pointers at the end of each of 2885 * the arg and env vector sets 2886 */ 2887 vectp = (u_int32_t *) 2888 (destp - (imgp->args->argc + imgp->args->envc + 2) * sizeof(u_int32_t)); 2889 2890 /* 2891 * vectp also becomes our initial stack base 2892 */ 2893 stack_base = vectp; 2894 2895 stringp = imgp->args->begin_argv; 2896 argc = imgp->args->argc; 2897 envc = imgp->args->envc; 2898 /* 2899 * Copy out strings - arguments and environment. 2900 */ 2901 copyout(stringp, destp, ARG_MAX - imgp->args->stringspace); 2902 2903 /* 2904 * Fill in "ps_strings" struct for ps, w, etc. 2905 */ 2906 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 2907 suword32(&arginfo->ps_nargvstr, argc); 2908 2909 /* 2910 * Fill in argument portion of vector table. 2911 */ 2912 for (; argc > 0; --argc) { 2913 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2914 while (*stringp++ != 0) 2915 destp++; 2916 destp++; 2917 } 2918 2919 /* a null vector table pointer separates the argp's from the envp's */ 2920 suword32(vectp++, 0); 2921 2922 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 2923 suword32(&arginfo->ps_nenvstr, envc); 2924 2925 /* 2926 * Fill in environment portion of vector table. 2927 */ 2928 for (; envc > 0; --envc) { 2929 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2930 while (*stringp++ != 0) 2931 destp++; 2932 destp++; 2933 } 2934 2935 /* end of vector table is a null pointer */ 2936 suword32(vectp, 0); 2937 2938 return ((register_t *)stack_base); 2939} 2940 2941int 2942freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap) 2943{ 2944 struct kld_file_stat stat; 2945 struct kld32_file_stat stat32; 2946 int error, version; 2947 2948 if ((error = copyin(&uap->stat->version, &version, sizeof(version))) 2949 != 0) 2950 return (error); 2951 if (version != sizeof(struct kld32_file_stat_1) && 2952 version != sizeof(struct kld32_file_stat)) 2953 return (EINVAL); 2954 2955 error = kern_kldstat(td, uap->fileid, &stat); 2956 if (error != 0) 2957 return (error); 2958 2959 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name)); 2960 CP(stat, stat32, refs); 2961 CP(stat, stat32, id); 2962 PTROUT_CP(stat, stat32, address); 2963 CP(stat, stat32, size); 2964 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname)); 2965 return (copyout(&stat32, uap->stat, version)); 2966} 2967 2968int 2969freebsd32_posix_fallocate(struct thread *td, 2970 struct freebsd32_posix_fallocate_args *uap) 2971{ 2972 2973 return (kern_posix_fallocate(td, uap->fd, 2974 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len))); 2975} 2976 2977int 2978freebsd32_posix_fadvise(struct thread *td, 2979 struct freebsd32_posix_fadvise_args *uap) 2980{ 2981 2982 return (kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset), 2983 PAIR32TO64(off_t, uap->len), uap->advice)); 2984} 2985 2986int 2987convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig) 2988{ 2989 2990 CP(*sig32, *sig, sigev_notify); 2991 switch (sig->sigev_notify) { 2992 case SIGEV_NONE: 2993 break; 2994 case SIGEV_THREAD_ID: 2995 CP(*sig32, *sig, sigev_notify_thread_id); 2996 /* FALLTHROUGH */ 2997 case SIGEV_SIGNAL: 2998 CP(*sig32, *sig, sigev_signo); 2999 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3000 break; 3001 case SIGEV_KEVENT: 3002 CP(*sig32, *sig, sigev_notify_kqueue); 3003 CP(*sig32, *sig, sigev_notify_kevent_flags); 3004 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3005 break; 3006 default: 3007 return (EINVAL); 3008 } 3009 return (0); 3010} 3011