freebsd32_misc.c revision 283359
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: stable/10/sys/compat/freebsd32/freebsd32_misc.c 283359 2015-05-24 07:32:02Z kib $"); 29 30#include "opt_compat.h" 31#include "opt_inet.h" 32#include "opt_inet6.h" 33 34#define __ELF_WORD_SIZE 32 35 36#include <sys/param.h> 37#include <sys/bus.h> 38#include <sys/capsicum.h> 39#include <sys/clock.h> 40#include <sys/exec.h> 41#include <sys/fcntl.h> 42#include <sys/filedesc.h> 43#include <sys/imgact.h> 44#include <sys/jail.h> 45#include <sys/kernel.h> 46#include <sys/limits.h> 47#include <sys/linker.h> 48#include <sys/lock.h> 49#include <sys/malloc.h> 50#include <sys/file.h> /* Must come after sys/malloc.h */ 51#include <sys/imgact.h> 52#include <sys/mbuf.h> 53#include <sys/mman.h> 54#include <sys/module.h> 55#include <sys/mount.h> 56#include <sys/mutex.h> 57#include <sys/namei.h> 58#include <sys/proc.h> 59#include <sys/procctl.h> 60#include <sys/reboot.h> 61#include <sys/resource.h> 62#include <sys/resourcevar.h> 63#include <sys/selinfo.h> 64#include <sys/eventvar.h> /* Must come after sys/selinfo.h */ 65#include <sys/pipe.h> /* Must come after sys/selinfo.h */ 66#include <sys/signal.h> 67#include <sys/signalvar.h> 68#include <sys/socket.h> 69#include <sys/socketvar.h> 70#include <sys/stat.h> 71#include <sys/syscall.h> 72#include <sys/syscallsubr.h> 73#include <sys/sysctl.h> 74#include <sys/sysent.h> 75#include <sys/sysproto.h> 76#include <sys/systm.h> 77#include <sys/thr.h> 78#include <sys/unistd.h> 79#include <sys/ucontext.h> 80#include <sys/vnode.h> 81#include <sys/wait.h> 82#include <sys/ipc.h> 83#include <sys/msg.h> 84#include <sys/sem.h> 85#include <sys/shm.h> 86 87#ifdef INET 88#include <netinet/in.h> 89#endif 90 91#include <vm/vm.h> 92#include <vm/vm_param.h> 93#include <vm/pmap.h> 94#include <vm/vm_map.h> 95#include <vm/vm_object.h> 96#include <vm/vm_extern.h> 97 98#include <machine/cpu.h> 99#include <machine/elf.h> 100 101#include <security/audit/audit.h> 102 103#include <compat/freebsd32/freebsd32_util.h> 104#include <compat/freebsd32/freebsd32.h> 105#include <compat/freebsd32/freebsd32_ipc.h> 106#include <compat/freebsd32/freebsd32_misc.h> 107#include <compat/freebsd32/freebsd32_signal.h> 108#include <compat/freebsd32/freebsd32_proto.h> 109 110FEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD"); 111 112#ifndef __mips__ 113CTASSERT(sizeof(struct timeval32) == 8); 114CTASSERT(sizeof(struct timespec32) == 8); 115CTASSERT(sizeof(struct itimerval32) == 16); 116#endif 117CTASSERT(sizeof(struct statfs32) == 256); 118#ifndef __mips__ 119CTASSERT(sizeof(struct rusage32) == 72); 120#endif 121CTASSERT(sizeof(struct sigaltstack32) == 12); 122CTASSERT(sizeof(struct kevent32) == 20); 123CTASSERT(sizeof(struct iovec32) == 8); 124CTASSERT(sizeof(struct msghdr32) == 28); 125#ifndef __mips__ 126CTASSERT(sizeof(struct stat32) == 96); 127#endif 128CTASSERT(sizeof(struct sigaction32) == 24); 129 130static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 131static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 132 133void 134freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32) 135{ 136 137 TV_CP(*s, *s32, ru_utime); 138 TV_CP(*s, *s32, ru_stime); 139 CP(*s, *s32, ru_maxrss); 140 CP(*s, *s32, ru_ixrss); 141 CP(*s, *s32, ru_idrss); 142 CP(*s, *s32, ru_isrss); 143 CP(*s, *s32, ru_minflt); 144 CP(*s, *s32, ru_majflt); 145 CP(*s, *s32, ru_nswap); 146 CP(*s, *s32, ru_inblock); 147 CP(*s, *s32, ru_oublock); 148 CP(*s, *s32, ru_msgsnd); 149 CP(*s, *s32, ru_msgrcv); 150 CP(*s, *s32, ru_nsignals); 151 CP(*s, *s32, ru_nvcsw); 152 CP(*s, *s32, ru_nivcsw); 153} 154 155int 156freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 157{ 158 int error, status; 159 struct rusage32 ru32; 160 struct rusage ru, *rup; 161 162 if (uap->rusage != NULL) 163 rup = &ru; 164 else 165 rup = NULL; 166 error = kern_wait(td, uap->pid, &status, uap->options, rup); 167 if (error) 168 return (error); 169 if (uap->status != NULL) 170 error = copyout(&status, uap->status, sizeof(status)); 171 if (uap->rusage != NULL && error == 0) { 172 freebsd32_rusage_out(&ru, &ru32); 173 error = copyout(&ru32, uap->rusage, sizeof(ru32)); 174 } 175 return (error); 176} 177 178int 179freebsd32_wait6(struct thread *td, struct freebsd32_wait6_args *uap) 180{ 181 struct wrusage32 wru32; 182 struct __wrusage wru, *wrup; 183 struct siginfo32 si32; 184 struct __siginfo si, *sip; 185 int error, status; 186 187 if (uap->wrusage != NULL) 188 wrup = &wru; 189 else 190 wrup = NULL; 191 if (uap->info != NULL) { 192 sip = &si; 193 bzero(sip, sizeof(*sip)); 194 } else 195 sip = NULL; 196 error = kern_wait6(td, uap->idtype, PAIR32TO64(id_t, uap->id), 197 &status, uap->options, wrup, sip); 198 if (error != 0) 199 return (error); 200 if (uap->status != NULL) 201 error = copyout(&status, uap->status, sizeof(status)); 202 if (uap->wrusage != NULL && error == 0) { 203 freebsd32_rusage_out(&wru.wru_self, &wru32.wru_self); 204 freebsd32_rusage_out(&wru.wru_children, &wru32.wru_children); 205 error = copyout(&wru32, uap->wrusage, sizeof(wru32)); 206 } 207 if (uap->info != NULL && error == 0) { 208 siginfo_to_siginfo32 (&si, &si32); 209 error = copyout(&si32, uap->info, sizeof(si32)); 210 } 211 return (error); 212} 213 214#ifdef COMPAT_FREEBSD4 215static void 216copy_statfs(struct statfs *in, struct statfs32 *out) 217{ 218 219 statfs_scale_blocks(in, INT32_MAX); 220 bzero(out, sizeof(*out)); 221 CP(*in, *out, f_bsize); 222 out->f_iosize = MIN(in->f_iosize, INT32_MAX); 223 CP(*in, *out, f_blocks); 224 CP(*in, *out, f_bfree); 225 CP(*in, *out, f_bavail); 226 out->f_files = MIN(in->f_files, INT32_MAX); 227 out->f_ffree = MIN(in->f_ffree, INT32_MAX); 228 CP(*in, *out, f_fsid); 229 CP(*in, *out, f_owner); 230 CP(*in, *out, f_type); 231 CP(*in, *out, f_flags); 232 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 233 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 234 strlcpy(out->f_fstypename, 235 in->f_fstypename, MFSNAMELEN); 236 strlcpy(out->f_mntonname, 237 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 238 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 239 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 240 strlcpy(out->f_mntfromname, 241 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 242} 243#endif 244 245#ifdef COMPAT_FREEBSD4 246int 247freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap) 248{ 249 struct statfs *buf, *sp; 250 struct statfs32 stat32; 251 size_t count, size; 252 int error; 253 254 count = uap->bufsize / sizeof(struct statfs32); 255 size = count * sizeof(struct statfs); 256 error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 257 if (size > 0) { 258 count = td->td_retval[0]; 259 sp = buf; 260 while (count > 0 && error == 0) { 261 copy_statfs(sp, &stat32); 262 error = copyout(&stat32, uap->buf, sizeof(stat32)); 263 sp++; 264 uap->buf++; 265 count--; 266 } 267 free(buf, M_TEMP); 268 } 269 return (error); 270} 271#endif 272 273int 274freebsd32_sigaltstack(struct thread *td, 275 struct freebsd32_sigaltstack_args *uap) 276{ 277 struct sigaltstack32 s32; 278 struct sigaltstack ss, oss, *ssp; 279 int error; 280 281 if (uap->ss != NULL) { 282 error = copyin(uap->ss, &s32, sizeof(s32)); 283 if (error) 284 return (error); 285 PTRIN_CP(s32, ss, ss_sp); 286 CP(s32, ss, ss_size); 287 CP(s32, ss, ss_flags); 288 ssp = &ss; 289 } else 290 ssp = NULL; 291 error = kern_sigaltstack(td, ssp, &oss); 292 if (error == 0 && uap->oss != NULL) { 293 PTROUT_CP(oss, s32, ss_sp); 294 CP(oss, s32, ss_size); 295 CP(oss, s32, ss_flags); 296 error = copyout(&s32, uap->oss, sizeof(s32)); 297 } 298 return (error); 299} 300 301/* 302 * Custom version of exec_copyin_args() so that we can translate 303 * the pointers. 304 */ 305int 306freebsd32_exec_copyin_args(struct image_args *args, char *fname, 307 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 308{ 309 char *argp, *envp; 310 u_int32_t *p32, arg; 311 size_t length; 312 int error; 313 314 bzero(args, sizeof(*args)); 315 if (argv == NULL) 316 return (EFAULT); 317 318 /* 319 * Allocate demand-paged memory for the file name, argument, and 320 * environment strings. 321 */ 322 error = exec_alloc_args(args); 323 if (error != 0) 324 return (error); 325 326 /* 327 * Copy the file name. 328 */ 329 if (fname != NULL) { 330 args->fname = args->buf; 331 error = (segflg == UIO_SYSSPACE) ? 332 copystr(fname, args->fname, PATH_MAX, &length) : 333 copyinstr(fname, args->fname, PATH_MAX, &length); 334 if (error != 0) 335 goto err_exit; 336 } else 337 length = 0; 338 339 args->begin_argv = args->buf + length; 340 args->endp = args->begin_argv; 341 args->stringspace = ARG_MAX; 342 343 /* 344 * extract arguments first 345 */ 346 p32 = argv; 347 for (;;) { 348 error = copyin(p32++, &arg, sizeof(arg)); 349 if (error) 350 goto err_exit; 351 if (arg == 0) 352 break; 353 argp = PTRIN(arg); 354 error = copyinstr(argp, args->endp, args->stringspace, &length); 355 if (error) { 356 if (error == ENAMETOOLONG) 357 error = E2BIG; 358 goto err_exit; 359 } 360 args->stringspace -= length; 361 args->endp += length; 362 args->argc++; 363 } 364 365 args->begin_envv = args->endp; 366 367 /* 368 * extract environment strings 369 */ 370 if (envv) { 371 p32 = envv; 372 for (;;) { 373 error = copyin(p32++, &arg, sizeof(arg)); 374 if (error) 375 goto err_exit; 376 if (arg == 0) 377 break; 378 envp = PTRIN(arg); 379 error = copyinstr(envp, args->endp, args->stringspace, 380 &length); 381 if (error) { 382 if (error == ENAMETOOLONG) 383 error = E2BIG; 384 goto err_exit; 385 } 386 args->stringspace -= length; 387 args->endp += length; 388 args->envc++; 389 } 390 } 391 392 return (0); 393 394err_exit: 395 exec_free_args(args); 396 return (error); 397} 398 399int 400freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 401{ 402 struct image_args eargs; 403 struct vmspace *oldvmspace; 404 int error; 405 406 error = pre_execve(td, &oldvmspace); 407 if (error != 0) 408 return (error); 409 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 410 uap->argv, uap->envv); 411 if (error == 0) 412 error = kern_execve(td, &eargs, NULL); 413 post_execve(td, error, oldvmspace); 414 return (error); 415} 416 417int 418freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 419{ 420 struct image_args eargs; 421 struct vmspace *oldvmspace; 422 int error; 423 424 error = pre_execve(td, &oldvmspace); 425 if (error != 0) 426 return (error); 427 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 428 uap->argv, uap->envv); 429 if (error == 0) { 430 eargs.fd = uap->fd; 431 error = kern_execve(td, &eargs, NULL); 432 } 433 post_execve(td, error, oldvmspace); 434 return (error); 435} 436 437#ifdef __ia64__ 438static int 439freebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, 440 int prot, int fd, off_t pos) 441{ 442 vm_map_t map; 443 vm_map_entry_t entry; 444 int rv; 445 446 map = &td->td_proc->p_vmspace->vm_map; 447 if (fd != -1) 448 prot |= VM_PROT_WRITE; 449 450 if (vm_map_lookup_entry(map, start, &entry)) { 451 if ((entry->protection & prot) != prot) { 452 rv = vm_map_protect(map, 453 trunc_page(start), 454 round_page(end), 455 entry->protection | prot, 456 FALSE); 457 if (rv != KERN_SUCCESS) 458 return (EINVAL); 459 } 460 } else { 461 vm_offset_t addr = trunc_page(start); 462 rv = vm_map_find(map, NULL, 0, &addr, PAGE_SIZE, 0, 463 VMFS_NO_SPACE, prot, VM_PROT_ALL, 0); 464 if (rv != KERN_SUCCESS) 465 return (EINVAL); 466 } 467 468 if (fd != -1) { 469 struct pread_args r; 470 r.fd = fd; 471 r.buf = (void *) start; 472 r.nbyte = end - start; 473 r.offset = pos; 474 return (sys_pread(td, &r)); 475 } else { 476 while (start < end) { 477 subyte((void *) start, 0); 478 start++; 479 } 480 return (0); 481 } 482} 483#endif 484 485int 486freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap) 487{ 488 struct mprotect_args ap; 489 490 ap.addr = PTRIN(uap->addr); 491 ap.len = uap->len; 492 ap.prot = uap->prot; 493#if defined(__amd64__) || defined(__ia64__) 494 if (i386_read_exec && (ap.prot & PROT_READ) != 0) 495 ap.prot |= PROT_EXEC; 496#endif 497 return (sys_mprotect(td, &ap)); 498} 499 500int 501freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 502{ 503 struct mmap_args ap; 504 vm_offset_t addr = (vm_offset_t) uap->addr; 505 vm_size_t len = uap->len; 506 int prot = uap->prot; 507 int flags = uap->flags; 508 int fd = uap->fd; 509 off_t pos = PAIR32TO64(off_t,uap->pos); 510#ifdef __ia64__ 511 vm_size_t pageoff; 512 int error; 513 514 /* 515 * Attempt to handle page size hassles. 516 */ 517 pageoff = (pos & PAGE_MASK); 518 if (flags & MAP_FIXED) { 519 vm_offset_t start, end; 520 start = addr; 521 end = addr + len; 522 523 if (start != trunc_page(start)) { 524 error = freebsd32_mmap_partial(td, start, 525 round_page(start), prot, 526 fd, pos); 527 if (fd != -1) 528 pos += round_page(start) - start; 529 start = round_page(start); 530 } 531 if (end != round_page(end)) { 532 vm_offset_t t = trunc_page(end); 533 error = freebsd32_mmap_partial(td, t, end, 534 prot, fd, 535 pos + t - start); 536 end = trunc_page(end); 537 } 538 if (end > start && fd != -1 && (pos & PAGE_MASK)) { 539 /* 540 * We can't map this region at all. The specified 541 * address doesn't have the same alignment as the file 542 * position. Fake the mapping by simply reading the 543 * entire region into memory. First we need to make 544 * sure the region exists. 545 */ 546 vm_map_t map; 547 struct pread_args r; 548 int rv; 549 550 prot |= VM_PROT_WRITE; 551 map = &td->td_proc->p_vmspace->vm_map; 552 rv = vm_map_remove(map, start, end); 553 if (rv != KERN_SUCCESS) 554 return (EINVAL); 555 rv = vm_map_find(map, NULL, 0, &start, end - start, 556 0, VMFS_NO_SPACE, 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/* 1147 * Copy-in the array of control messages constructed using alignment 1148 * and padding suitable for a 32-bit environment and construct an 1149 * mbuf using alignment and padding suitable for a 64-bit kernel. 1150 * The alignment and padding are defined indirectly by CMSG_DATA(), 1151 * CMSG_SPACE() and CMSG_LEN(). 1152 */ 1153static int 1154freebsd32_copyin_control(struct mbuf **mp, caddr_t buf, u_int buflen) 1155{ 1156 struct mbuf *m; 1157 void *md; 1158 u_int idx, len, msglen; 1159 int error; 1160 1161 buflen = FREEBSD32_ALIGN(buflen); 1162 1163 if (buflen > MCLBYTES) 1164 return (EINVAL); 1165 1166 /* 1167 * Iterate over the buffer and get the length of each message 1168 * in there. This has 32-bit alignment and padding. Use it to 1169 * determine the length of these messages when using 64-bit 1170 * alignment and padding. 1171 */ 1172 idx = 0; 1173 len = 0; 1174 while (idx < buflen) { 1175 error = copyin(buf + idx, &msglen, sizeof(msglen)); 1176 if (error) 1177 return (error); 1178 if (msglen < sizeof(struct cmsghdr)) 1179 return (EINVAL); 1180 msglen = FREEBSD32_ALIGN(msglen); 1181 if (idx + msglen > buflen) 1182 return (EINVAL); 1183 idx += msglen; 1184 msglen += CMSG_ALIGN(sizeof(struct cmsghdr)) - 1185 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1186 len += CMSG_ALIGN(msglen); 1187 } 1188 1189 if (len > MCLBYTES) 1190 return (EINVAL); 1191 1192 m = m_get(M_WAITOK, MT_CONTROL); 1193 if (len > MLEN) 1194 MCLGET(m, M_WAITOK); 1195 m->m_len = len; 1196 1197 md = mtod(m, void *); 1198 while (buflen > 0) { 1199 error = copyin(buf, md, sizeof(struct cmsghdr)); 1200 if (error) 1201 break; 1202 msglen = *(u_int *)md; 1203 msglen = FREEBSD32_ALIGN(msglen); 1204 1205 /* Modify the message length to account for alignment. */ 1206 *(u_int *)md = msglen + CMSG_ALIGN(sizeof(struct cmsghdr)) - 1207 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1208 1209 md = (char *)md + CMSG_ALIGN(sizeof(struct cmsghdr)); 1210 buf += FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1211 buflen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1212 1213 msglen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1214 if (msglen > 0) { 1215 error = copyin(buf, md, msglen); 1216 if (error) 1217 break; 1218 md = (char *)md + CMSG_ALIGN(msglen); 1219 buf += msglen; 1220 buflen -= msglen; 1221 } 1222 } 1223 1224 if (error) 1225 m_free(m); 1226 else 1227 *mp = m; 1228 return (error); 1229} 1230 1231int 1232freebsd32_sendmsg(struct thread *td, 1233 struct freebsd32_sendmsg_args *uap) 1234{ 1235 struct msghdr msg; 1236 struct msghdr32 m32; 1237 struct iovec *iov; 1238 struct mbuf *control = NULL; 1239 struct sockaddr *to = NULL; 1240 int error; 1241 1242 error = copyin(uap->msg, &m32, sizeof(m32)); 1243 if (error) 1244 return (error); 1245 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1246 if (error) 1247 return (error); 1248 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1249 EMSGSIZE); 1250 if (error) 1251 return (error); 1252 msg.msg_iov = iov; 1253 if (msg.msg_name != NULL) { 1254 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1255 if (error) { 1256 to = NULL; 1257 goto out; 1258 } 1259 msg.msg_name = to; 1260 } 1261 1262 if (msg.msg_control) { 1263 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1264 error = EINVAL; 1265 goto out; 1266 } 1267 1268 error = freebsd32_copyin_control(&control, msg.msg_control, 1269 msg.msg_controllen); 1270 if (error) 1271 goto out; 1272 1273 msg.msg_control = NULL; 1274 msg.msg_controllen = 0; 1275 } 1276 1277 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1278 UIO_USERSPACE); 1279 1280out: 1281 free(iov, M_IOV); 1282 if (to) 1283 free(to, M_SONAME); 1284 return (error); 1285} 1286 1287int 1288freebsd32_recvfrom(struct thread *td, 1289 struct freebsd32_recvfrom_args *uap) 1290{ 1291 struct msghdr msg; 1292 struct iovec aiov; 1293 int error; 1294 1295 if (uap->fromlenaddr) { 1296 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1297 sizeof(msg.msg_namelen)); 1298 if (error) 1299 return (error); 1300 } else { 1301 msg.msg_namelen = 0; 1302 } 1303 1304 msg.msg_name = PTRIN(uap->from); 1305 msg.msg_iov = &aiov; 1306 msg.msg_iovlen = 1; 1307 aiov.iov_base = PTRIN(uap->buf); 1308 aiov.iov_len = uap->len; 1309 msg.msg_control = NULL; 1310 msg.msg_flags = uap->flags; 1311 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1312 if (error == 0 && uap->fromlenaddr) 1313 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1314 sizeof (msg.msg_namelen)); 1315 return (error); 1316} 1317 1318int 1319freebsd32_settimeofday(struct thread *td, 1320 struct freebsd32_settimeofday_args *uap) 1321{ 1322 struct timeval32 tv32; 1323 struct timeval tv, *tvp; 1324 struct timezone tz, *tzp; 1325 int error; 1326 1327 if (uap->tv) { 1328 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1329 if (error) 1330 return (error); 1331 CP(tv32, tv, tv_sec); 1332 CP(tv32, tv, tv_usec); 1333 tvp = &tv; 1334 } else 1335 tvp = NULL; 1336 if (uap->tzp) { 1337 error = copyin(uap->tzp, &tz, sizeof(tz)); 1338 if (error) 1339 return (error); 1340 tzp = &tz; 1341 } else 1342 tzp = NULL; 1343 return (kern_settimeofday(td, tvp, tzp)); 1344} 1345 1346int 1347freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1348{ 1349 struct timeval32 s32[2]; 1350 struct timeval s[2], *sp; 1351 int error; 1352 1353 if (uap->tptr != NULL) { 1354 error = copyin(uap->tptr, s32, sizeof(s32)); 1355 if (error) 1356 return (error); 1357 CP(s32[0], s[0], tv_sec); 1358 CP(s32[0], s[0], tv_usec); 1359 CP(s32[1], s[1], tv_sec); 1360 CP(s32[1], s[1], tv_usec); 1361 sp = s; 1362 } else 1363 sp = NULL; 1364 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1365} 1366 1367int 1368freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1369{ 1370 struct timeval32 s32[2]; 1371 struct timeval s[2], *sp; 1372 int error; 1373 1374 if (uap->tptr != NULL) { 1375 error = copyin(uap->tptr, s32, sizeof(s32)); 1376 if (error) 1377 return (error); 1378 CP(s32[0], s[0], tv_sec); 1379 CP(s32[0], s[0], tv_usec); 1380 CP(s32[1], s[1], tv_sec); 1381 CP(s32[1], s[1], tv_usec); 1382 sp = s; 1383 } else 1384 sp = NULL; 1385 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1386} 1387 1388int 1389freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1390{ 1391 struct timeval32 s32[2]; 1392 struct timeval s[2], *sp; 1393 int error; 1394 1395 if (uap->tptr != NULL) { 1396 error = copyin(uap->tptr, s32, sizeof(s32)); 1397 if (error) 1398 return (error); 1399 CP(s32[0], s[0], tv_sec); 1400 CP(s32[0], s[0], tv_usec); 1401 CP(s32[1], s[1], tv_sec); 1402 CP(s32[1], s[1], tv_usec); 1403 sp = s; 1404 } else 1405 sp = NULL; 1406 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1407} 1408 1409int 1410freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1411{ 1412 struct timeval32 s32[2]; 1413 struct timeval s[2], *sp; 1414 int error; 1415 1416 if (uap->times != NULL) { 1417 error = copyin(uap->times, s32, sizeof(s32)); 1418 if (error) 1419 return (error); 1420 CP(s32[0], s[0], tv_sec); 1421 CP(s32[0], s[0], tv_usec); 1422 CP(s32[1], s[1], tv_sec); 1423 CP(s32[1], s[1], tv_usec); 1424 sp = s; 1425 } else 1426 sp = NULL; 1427 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1428 sp, UIO_SYSSPACE)); 1429} 1430 1431int 1432freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1433{ 1434 struct timeval32 tv32; 1435 struct timeval delta, olddelta, *deltap; 1436 int error; 1437 1438 if (uap->delta) { 1439 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1440 if (error) 1441 return (error); 1442 CP(tv32, delta, tv_sec); 1443 CP(tv32, delta, tv_usec); 1444 deltap = δ 1445 } else 1446 deltap = NULL; 1447 error = kern_adjtime(td, deltap, &olddelta); 1448 if (uap->olddelta && error == 0) { 1449 CP(olddelta, tv32, tv_sec); 1450 CP(olddelta, tv32, tv_usec); 1451 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1452 } 1453 return (error); 1454} 1455 1456#ifdef COMPAT_FREEBSD4 1457int 1458freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1459{ 1460 struct statfs32 s32; 1461 struct statfs s; 1462 int error; 1463 1464 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1465 if (error) 1466 return (error); 1467 copy_statfs(&s, &s32); 1468 return (copyout(&s32, uap->buf, sizeof(s32))); 1469} 1470#endif 1471 1472#ifdef COMPAT_FREEBSD4 1473int 1474freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1475{ 1476 struct statfs32 s32; 1477 struct statfs s; 1478 int error; 1479 1480 error = kern_fstatfs(td, uap->fd, &s); 1481 if (error) 1482 return (error); 1483 copy_statfs(&s, &s32); 1484 return (copyout(&s32, uap->buf, sizeof(s32))); 1485} 1486#endif 1487 1488#ifdef COMPAT_FREEBSD4 1489int 1490freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1491{ 1492 struct statfs32 s32; 1493 struct statfs s; 1494 fhandle_t fh; 1495 int error; 1496 1497 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1498 return (error); 1499 error = kern_fhstatfs(td, fh, &s); 1500 if (error) 1501 return (error); 1502 copy_statfs(&s, &s32); 1503 return (copyout(&s32, uap->buf, sizeof(s32))); 1504} 1505#endif 1506 1507int 1508freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1509{ 1510 struct pread_args ap; 1511 1512 ap.fd = uap->fd; 1513 ap.buf = uap->buf; 1514 ap.nbyte = uap->nbyte; 1515 ap.offset = PAIR32TO64(off_t,uap->offset); 1516 return (sys_pread(td, &ap)); 1517} 1518 1519int 1520freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1521{ 1522 struct pwrite_args ap; 1523 1524 ap.fd = uap->fd; 1525 ap.buf = uap->buf; 1526 ap.nbyte = uap->nbyte; 1527 ap.offset = PAIR32TO64(off_t,uap->offset); 1528 return (sys_pwrite(td, &ap)); 1529} 1530 1531#ifdef COMPAT_43 1532int 1533ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap) 1534{ 1535 struct lseek_args nuap; 1536 1537 nuap.fd = uap->fd; 1538 nuap.offset = uap->offset; 1539 nuap.whence = uap->whence; 1540 return (sys_lseek(td, &nuap)); 1541} 1542#endif 1543 1544int 1545freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1546{ 1547 int error; 1548 struct lseek_args ap; 1549 off_t pos; 1550 1551 ap.fd = uap->fd; 1552 ap.offset = PAIR32TO64(off_t,uap->offset); 1553 ap.whence = uap->whence; 1554 error = sys_lseek(td, &ap); 1555 /* Expand the quad return into two parts for eax and edx */ 1556 pos = *(off_t *)(td->td_retval); 1557 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1558 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1559 return error; 1560} 1561 1562int 1563freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1564{ 1565 struct truncate_args ap; 1566 1567 ap.path = uap->path; 1568 ap.length = PAIR32TO64(off_t,uap->length); 1569 return (sys_truncate(td, &ap)); 1570} 1571 1572int 1573freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1574{ 1575 struct ftruncate_args ap; 1576 1577 ap.fd = uap->fd; 1578 ap.length = PAIR32TO64(off_t,uap->length); 1579 return (sys_ftruncate(td, &ap)); 1580} 1581 1582#ifdef COMPAT_43 1583int 1584ofreebsd32_getdirentries(struct thread *td, 1585 struct ofreebsd32_getdirentries_args *uap) 1586{ 1587 struct ogetdirentries_args ap; 1588 int error; 1589 long loff; 1590 int32_t loff_cut; 1591 1592 ap.fd = uap->fd; 1593 ap.buf = uap->buf; 1594 ap.count = uap->count; 1595 ap.basep = NULL; 1596 error = kern_ogetdirentries(td, &ap, &loff); 1597 if (error == 0) { 1598 loff_cut = loff; 1599 error = copyout(&loff_cut, uap->basep, sizeof(int32_t)); 1600 } 1601 return (error); 1602} 1603#endif 1604 1605int 1606freebsd32_getdirentries(struct thread *td, 1607 struct freebsd32_getdirentries_args *uap) 1608{ 1609 long base; 1610 int32_t base32; 1611 int error; 1612 1613 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base, 1614 NULL, UIO_USERSPACE); 1615 if (error) 1616 return (error); 1617 if (uap->basep != NULL) { 1618 base32 = base; 1619 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1620 } 1621 return (error); 1622} 1623 1624#ifdef COMPAT_FREEBSD6 1625/* versions with the 'int pad' argument */ 1626int 1627freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1628{ 1629 struct pread_args ap; 1630 1631 ap.fd = uap->fd; 1632 ap.buf = uap->buf; 1633 ap.nbyte = uap->nbyte; 1634 ap.offset = PAIR32TO64(off_t,uap->offset); 1635 return (sys_pread(td, &ap)); 1636} 1637 1638int 1639freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1640{ 1641 struct pwrite_args ap; 1642 1643 ap.fd = uap->fd; 1644 ap.buf = uap->buf; 1645 ap.nbyte = uap->nbyte; 1646 ap.offset = PAIR32TO64(off_t,uap->offset); 1647 return (sys_pwrite(td, &ap)); 1648} 1649 1650int 1651freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1652{ 1653 int error; 1654 struct lseek_args ap; 1655 off_t pos; 1656 1657 ap.fd = uap->fd; 1658 ap.offset = PAIR32TO64(off_t,uap->offset); 1659 ap.whence = uap->whence; 1660 error = sys_lseek(td, &ap); 1661 /* Expand the quad return into two parts for eax and edx */ 1662 pos = *(off_t *)(td->td_retval); 1663 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1664 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1665 return error; 1666} 1667 1668int 1669freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1670{ 1671 struct truncate_args ap; 1672 1673 ap.path = uap->path; 1674 ap.length = PAIR32TO64(off_t,uap->length); 1675 return (sys_truncate(td, &ap)); 1676} 1677 1678int 1679freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1680{ 1681 struct ftruncate_args ap; 1682 1683 ap.fd = uap->fd; 1684 ap.length = PAIR32TO64(off_t,uap->length); 1685 return (sys_ftruncate(td, &ap)); 1686} 1687#endif /* COMPAT_FREEBSD6 */ 1688 1689struct sf_hdtr32 { 1690 uint32_t headers; 1691 int hdr_cnt; 1692 uint32_t trailers; 1693 int trl_cnt; 1694}; 1695 1696static int 1697freebsd32_do_sendfile(struct thread *td, 1698 struct freebsd32_sendfile_args *uap, int compat) 1699{ 1700 struct sf_hdtr32 hdtr32; 1701 struct sf_hdtr hdtr; 1702 struct uio *hdr_uio, *trl_uio; 1703 struct iovec32 *iov32; 1704 struct file *fp; 1705 cap_rights_t rights; 1706 off_t offset; 1707 int error; 1708 1709 offset = PAIR32TO64(off_t, uap->offset); 1710 if (offset < 0) 1711 return (EINVAL); 1712 1713 hdr_uio = trl_uio = NULL; 1714 1715 if (uap->hdtr != NULL) { 1716 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1717 if (error) 1718 goto out; 1719 PTRIN_CP(hdtr32, hdtr, headers); 1720 CP(hdtr32, hdtr, hdr_cnt); 1721 PTRIN_CP(hdtr32, hdtr, trailers); 1722 CP(hdtr32, hdtr, trl_cnt); 1723 1724 if (hdtr.headers != NULL) { 1725 iov32 = PTRIN(hdtr32.headers); 1726 error = freebsd32_copyinuio(iov32, 1727 hdtr32.hdr_cnt, &hdr_uio); 1728 if (error) 1729 goto out; 1730 } 1731 if (hdtr.trailers != NULL) { 1732 iov32 = PTRIN(hdtr32.trailers); 1733 error = freebsd32_copyinuio(iov32, 1734 hdtr32.trl_cnt, &trl_uio); 1735 if (error) 1736 goto out; 1737 } 1738 } 1739 1740 AUDIT_ARG_FD(uap->fd); 1741 1742 if ((error = fget_read(td, uap->fd, 1743 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0) { 1744 goto out; 1745 } 1746 1747 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset, 1748 uap->nbytes, uap->sbytes, uap->flags, compat ? SFK_COMPAT : 0, td); 1749 fdrop(fp, td); 1750 1751out: 1752 if (hdr_uio) 1753 free(hdr_uio, M_IOV); 1754 if (trl_uio) 1755 free(trl_uio, M_IOV); 1756 return (error); 1757} 1758 1759#ifdef COMPAT_FREEBSD4 1760int 1761freebsd4_freebsd32_sendfile(struct thread *td, 1762 struct freebsd4_freebsd32_sendfile_args *uap) 1763{ 1764 return (freebsd32_do_sendfile(td, 1765 (struct freebsd32_sendfile_args *)uap, 1)); 1766} 1767#endif 1768 1769int 1770freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1771{ 1772 1773 return (freebsd32_do_sendfile(td, uap, 0)); 1774} 1775 1776static void 1777copy_stat(struct stat *in, struct stat32 *out) 1778{ 1779 1780 CP(*in, *out, st_dev); 1781 CP(*in, *out, st_ino); 1782 CP(*in, *out, st_mode); 1783 CP(*in, *out, st_nlink); 1784 CP(*in, *out, st_uid); 1785 CP(*in, *out, st_gid); 1786 CP(*in, *out, st_rdev); 1787 TS_CP(*in, *out, st_atim); 1788 TS_CP(*in, *out, st_mtim); 1789 TS_CP(*in, *out, st_ctim); 1790 CP(*in, *out, st_size); 1791 CP(*in, *out, st_blocks); 1792 CP(*in, *out, st_blksize); 1793 CP(*in, *out, st_flags); 1794 CP(*in, *out, st_gen); 1795 TS_CP(*in, *out, st_birthtim); 1796} 1797 1798#ifdef COMPAT_43 1799static void 1800copy_ostat(struct stat *in, struct ostat32 *out) 1801{ 1802 1803 CP(*in, *out, st_dev); 1804 CP(*in, *out, st_ino); 1805 CP(*in, *out, st_mode); 1806 CP(*in, *out, st_nlink); 1807 CP(*in, *out, st_uid); 1808 CP(*in, *out, st_gid); 1809 CP(*in, *out, st_rdev); 1810 CP(*in, *out, st_size); 1811 TS_CP(*in, *out, st_atim); 1812 TS_CP(*in, *out, st_mtim); 1813 TS_CP(*in, *out, st_ctim); 1814 CP(*in, *out, st_blksize); 1815 CP(*in, *out, st_blocks); 1816 CP(*in, *out, st_flags); 1817 CP(*in, *out, st_gen); 1818} 1819#endif 1820 1821int 1822freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1823{ 1824 struct stat sb; 1825 struct stat32 sb32; 1826 int error; 1827 1828 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1829 if (error) 1830 return (error); 1831 copy_stat(&sb, &sb32); 1832 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1833 return (error); 1834} 1835 1836#ifdef COMPAT_43 1837int 1838ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap) 1839{ 1840 struct stat sb; 1841 struct ostat32 sb32; 1842 int error; 1843 1844 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1845 if (error) 1846 return (error); 1847 copy_ostat(&sb, &sb32); 1848 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1849 return (error); 1850} 1851#endif 1852 1853int 1854freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1855{ 1856 struct stat ub; 1857 struct stat32 ub32; 1858 int error; 1859 1860 error = kern_fstat(td, uap->fd, &ub); 1861 if (error) 1862 return (error); 1863 copy_stat(&ub, &ub32); 1864 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1865 return (error); 1866} 1867 1868#ifdef COMPAT_43 1869int 1870ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap) 1871{ 1872 struct stat ub; 1873 struct ostat32 ub32; 1874 int error; 1875 1876 error = kern_fstat(td, uap->fd, &ub); 1877 if (error) 1878 return (error); 1879 copy_ostat(&ub, &ub32); 1880 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1881 return (error); 1882} 1883#endif 1884 1885int 1886freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 1887{ 1888 struct stat ub; 1889 struct stat32 ub32; 1890 int error; 1891 1892 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub); 1893 if (error) 1894 return (error); 1895 copy_stat(&ub, &ub32); 1896 error = copyout(&ub32, uap->buf, sizeof(ub32)); 1897 return (error); 1898} 1899 1900int 1901freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1902{ 1903 struct stat sb; 1904 struct stat32 sb32; 1905 int error; 1906 1907 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1908 if (error) 1909 return (error); 1910 copy_stat(&sb, &sb32); 1911 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1912 return (error); 1913} 1914 1915#ifdef COMPAT_43 1916int 1917ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap) 1918{ 1919 struct stat sb; 1920 struct ostat32 sb32; 1921 int error; 1922 1923 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1924 if (error) 1925 return (error); 1926 copy_ostat(&sb, &sb32); 1927 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1928 return (error); 1929} 1930#endif 1931 1932int 1933freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1934{ 1935 int error, name[CTL_MAXNAME]; 1936 size_t j, oldlen; 1937 uint32_t tmp; 1938 1939 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1940 return (EINVAL); 1941 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1942 if (error) 1943 return (error); 1944 if (uap->oldlenp) { 1945 error = fueword32(uap->oldlenp, &tmp); 1946 oldlen = tmp; 1947 } else { 1948 oldlen = 0; 1949 } 1950 if (error != 0) 1951 return (EFAULT); 1952 error = userland_sysctl(td, name, uap->namelen, 1953 uap->old, &oldlen, 1, 1954 uap->new, uap->newlen, &j, SCTL_MASK32); 1955 if (error && error != ENOMEM) 1956 return (error); 1957 if (uap->oldlenp) 1958 suword32(uap->oldlenp, j); 1959 return (0); 1960} 1961 1962int 1963freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 1964{ 1965 uint32_t version; 1966 int error; 1967 struct jail j; 1968 1969 error = copyin(uap->jail, &version, sizeof(uint32_t)); 1970 if (error) 1971 return (error); 1972 1973 switch (version) { 1974 case 0: 1975 { 1976 /* FreeBSD single IPv4 jails. */ 1977 struct jail32_v0 j32_v0; 1978 1979 bzero(&j, sizeof(struct jail)); 1980 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 1981 if (error) 1982 return (error); 1983 CP(j32_v0, j, version); 1984 PTRIN_CP(j32_v0, j, path); 1985 PTRIN_CP(j32_v0, j, hostname); 1986 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */ 1987 break; 1988 } 1989 1990 case 1: 1991 /* 1992 * Version 1 was used by multi-IPv4 jail implementations 1993 * that never made it into the official kernel. 1994 */ 1995 return (EINVAL); 1996 1997 case 2: /* JAIL_API_VERSION */ 1998 { 1999 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 2000 struct jail32 j32; 2001 2002 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 2003 if (error) 2004 return (error); 2005 CP(j32, j, version); 2006 PTRIN_CP(j32, j, path); 2007 PTRIN_CP(j32, j, hostname); 2008 PTRIN_CP(j32, j, jailname); 2009 CP(j32, j, ip4s); 2010 CP(j32, j, ip6s); 2011 PTRIN_CP(j32, j, ip4); 2012 PTRIN_CP(j32, j, ip6); 2013 break; 2014 } 2015 2016 default: 2017 /* Sci-Fi jails are not supported, sorry. */ 2018 return (EINVAL); 2019 } 2020 return (kern_jail(td, &j)); 2021} 2022 2023int 2024freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 2025{ 2026 struct uio *auio; 2027 int error; 2028 2029 /* Check that we have an even number of iovecs. */ 2030 if (uap->iovcnt & 1) 2031 return (EINVAL); 2032 2033 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2034 if (error) 2035 return (error); 2036 error = kern_jail_set(td, auio, uap->flags); 2037 free(auio, M_IOV); 2038 return (error); 2039} 2040 2041int 2042freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 2043{ 2044 struct iovec32 iov32; 2045 struct uio *auio; 2046 int error, i; 2047 2048 /* Check that we have an even number of iovecs. */ 2049 if (uap->iovcnt & 1) 2050 return (EINVAL); 2051 2052 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2053 if (error) 2054 return (error); 2055 error = kern_jail_get(td, auio, uap->flags); 2056 if (error == 0) 2057 for (i = 0; i < uap->iovcnt; i++) { 2058 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 2059 CP(auio->uio_iov[i], iov32, iov_len); 2060 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2061 if (error != 0) 2062 break; 2063 } 2064 free(auio, M_IOV); 2065 return (error); 2066} 2067 2068int 2069freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2070{ 2071 struct sigaction32 s32; 2072 struct sigaction sa, osa, *sap; 2073 int error; 2074 2075 if (uap->act) { 2076 error = copyin(uap->act, &s32, sizeof(s32)); 2077 if (error) 2078 return (error); 2079 sa.sa_handler = PTRIN(s32.sa_u); 2080 CP(s32, sa, sa_flags); 2081 CP(s32, sa, sa_mask); 2082 sap = &sa; 2083 } else 2084 sap = NULL; 2085 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2086 if (error == 0 && uap->oact != NULL) { 2087 s32.sa_u = PTROUT(osa.sa_handler); 2088 CP(osa, s32, sa_flags); 2089 CP(osa, s32, sa_mask); 2090 error = copyout(&s32, uap->oact, sizeof(s32)); 2091 } 2092 return (error); 2093} 2094 2095#ifdef COMPAT_FREEBSD4 2096int 2097freebsd4_freebsd32_sigaction(struct thread *td, 2098 struct freebsd4_freebsd32_sigaction_args *uap) 2099{ 2100 struct sigaction32 s32; 2101 struct sigaction sa, osa, *sap; 2102 int error; 2103 2104 if (uap->act) { 2105 error = copyin(uap->act, &s32, sizeof(s32)); 2106 if (error) 2107 return (error); 2108 sa.sa_handler = PTRIN(s32.sa_u); 2109 CP(s32, sa, sa_flags); 2110 CP(s32, sa, sa_mask); 2111 sap = &sa; 2112 } else 2113 sap = NULL; 2114 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2115 if (error == 0 && uap->oact != NULL) { 2116 s32.sa_u = PTROUT(osa.sa_handler); 2117 CP(osa, s32, sa_flags); 2118 CP(osa, s32, sa_mask); 2119 error = copyout(&s32, uap->oact, sizeof(s32)); 2120 } 2121 return (error); 2122} 2123#endif 2124 2125#ifdef COMPAT_43 2126struct osigaction32 { 2127 u_int32_t sa_u; 2128 osigset_t sa_mask; 2129 int sa_flags; 2130}; 2131 2132#define ONSIG 32 2133 2134int 2135ofreebsd32_sigaction(struct thread *td, 2136 struct ofreebsd32_sigaction_args *uap) 2137{ 2138 struct osigaction32 s32; 2139 struct sigaction sa, osa, *sap; 2140 int error; 2141 2142 if (uap->signum <= 0 || uap->signum >= ONSIG) 2143 return (EINVAL); 2144 2145 if (uap->nsa) { 2146 error = copyin(uap->nsa, &s32, sizeof(s32)); 2147 if (error) 2148 return (error); 2149 sa.sa_handler = PTRIN(s32.sa_u); 2150 CP(s32, sa, sa_flags); 2151 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2152 sap = &sa; 2153 } else 2154 sap = NULL; 2155 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2156 if (error == 0 && uap->osa != NULL) { 2157 s32.sa_u = PTROUT(osa.sa_handler); 2158 CP(osa, s32, sa_flags); 2159 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2160 error = copyout(&s32, uap->osa, sizeof(s32)); 2161 } 2162 return (error); 2163} 2164 2165int 2166ofreebsd32_sigprocmask(struct thread *td, 2167 struct ofreebsd32_sigprocmask_args *uap) 2168{ 2169 sigset_t set, oset; 2170 int error; 2171 2172 OSIG2SIG(uap->mask, set); 2173 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2174 SIG2OSIG(oset, td->td_retval[0]); 2175 return (error); 2176} 2177 2178int 2179ofreebsd32_sigpending(struct thread *td, 2180 struct ofreebsd32_sigpending_args *uap) 2181{ 2182 struct proc *p = td->td_proc; 2183 sigset_t siglist; 2184 2185 PROC_LOCK(p); 2186 siglist = p->p_siglist; 2187 SIGSETOR(siglist, td->td_siglist); 2188 PROC_UNLOCK(p); 2189 SIG2OSIG(siglist, td->td_retval[0]); 2190 return (0); 2191} 2192 2193struct sigvec32 { 2194 u_int32_t sv_handler; 2195 int sv_mask; 2196 int sv_flags; 2197}; 2198 2199int 2200ofreebsd32_sigvec(struct thread *td, 2201 struct ofreebsd32_sigvec_args *uap) 2202{ 2203 struct sigvec32 vec; 2204 struct sigaction sa, osa, *sap; 2205 int error; 2206 2207 if (uap->signum <= 0 || uap->signum >= ONSIG) 2208 return (EINVAL); 2209 2210 if (uap->nsv) { 2211 error = copyin(uap->nsv, &vec, sizeof(vec)); 2212 if (error) 2213 return (error); 2214 sa.sa_handler = PTRIN(vec.sv_handler); 2215 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2216 sa.sa_flags = vec.sv_flags; 2217 sa.sa_flags ^= SA_RESTART; 2218 sap = &sa; 2219 } else 2220 sap = NULL; 2221 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2222 if (error == 0 && uap->osv != NULL) { 2223 vec.sv_handler = PTROUT(osa.sa_handler); 2224 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2225 vec.sv_flags = osa.sa_flags; 2226 vec.sv_flags &= ~SA_NOCLDWAIT; 2227 vec.sv_flags ^= SA_RESTART; 2228 error = copyout(&vec, uap->osv, sizeof(vec)); 2229 } 2230 return (error); 2231} 2232 2233int 2234ofreebsd32_sigblock(struct thread *td, 2235 struct ofreebsd32_sigblock_args *uap) 2236{ 2237 sigset_t set, oset; 2238 2239 OSIG2SIG(uap->mask, set); 2240 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2241 SIG2OSIG(oset, td->td_retval[0]); 2242 return (0); 2243} 2244 2245int 2246ofreebsd32_sigsetmask(struct thread *td, 2247 struct ofreebsd32_sigsetmask_args *uap) 2248{ 2249 sigset_t set, oset; 2250 2251 OSIG2SIG(uap->mask, set); 2252 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2253 SIG2OSIG(oset, td->td_retval[0]); 2254 return (0); 2255} 2256 2257int 2258ofreebsd32_sigsuspend(struct thread *td, 2259 struct ofreebsd32_sigsuspend_args *uap) 2260{ 2261 sigset_t mask; 2262 2263 OSIG2SIG(uap->mask, mask); 2264 return (kern_sigsuspend(td, mask)); 2265} 2266 2267struct sigstack32 { 2268 u_int32_t ss_sp; 2269 int ss_onstack; 2270}; 2271 2272int 2273ofreebsd32_sigstack(struct thread *td, 2274 struct ofreebsd32_sigstack_args *uap) 2275{ 2276 struct sigstack32 s32; 2277 struct sigstack nss, oss; 2278 int error = 0, unss; 2279 2280 if (uap->nss != NULL) { 2281 error = copyin(uap->nss, &s32, sizeof(s32)); 2282 if (error) 2283 return (error); 2284 nss.ss_sp = PTRIN(s32.ss_sp); 2285 CP(s32, nss, ss_onstack); 2286 unss = 1; 2287 } else { 2288 unss = 0; 2289 } 2290 oss.ss_sp = td->td_sigstk.ss_sp; 2291 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2292 if (unss) { 2293 td->td_sigstk.ss_sp = nss.ss_sp; 2294 td->td_sigstk.ss_size = 0; 2295 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2296 td->td_pflags |= TDP_ALTSTACK; 2297 } 2298 if (uap->oss != NULL) { 2299 s32.ss_sp = PTROUT(oss.ss_sp); 2300 CP(oss, s32, ss_onstack); 2301 error = copyout(&s32, uap->oss, sizeof(s32)); 2302 } 2303 return (error); 2304} 2305#endif 2306 2307int 2308freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2309{ 2310 struct timespec32 rmt32, rqt32; 2311 struct timespec rmt, rqt; 2312 int error; 2313 2314 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2315 if (error) 2316 return (error); 2317 2318 CP(rqt32, rqt, tv_sec); 2319 CP(rqt32, rqt, tv_nsec); 2320 2321 if (uap->rmtp && 2322 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2323 return (EFAULT); 2324 error = kern_nanosleep(td, &rqt, &rmt); 2325 if (error && uap->rmtp) { 2326 int error2; 2327 2328 CP(rmt, rmt32, tv_sec); 2329 CP(rmt, rmt32, tv_nsec); 2330 2331 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2332 if (error2) 2333 error = error2; 2334 } 2335 return (error); 2336} 2337 2338int 2339freebsd32_clock_gettime(struct thread *td, 2340 struct freebsd32_clock_gettime_args *uap) 2341{ 2342 struct timespec ats; 2343 struct timespec32 ats32; 2344 int error; 2345 2346 error = kern_clock_gettime(td, uap->clock_id, &ats); 2347 if (error == 0) { 2348 CP(ats, ats32, tv_sec); 2349 CP(ats, ats32, tv_nsec); 2350 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2351 } 2352 return (error); 2353} 2354 2355int 2356freebsd32_clock_settime(struct thread *td, 2357 struct freebsd32_clock_settime_args *uap) 2358{ 2359 struct timespec ats; 2360 struct timespec32 ats32; 2361 int error; 2362 2363 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2364 if (error) 2365 return (error); 2366 CP(ats32, ats, tv_sec); 2367 CP(ats32, ats, tv_nsec); 2368 2369 return (kern_clock_settime(td, uap->clock_id, &ats)); 2370} 2371 2372int 2373freebsd32_clock_getres(struct thread *td, 2374 struct freebsd32_clock_getres_args *uap) 2375{ 2376 struct timespec ts; 2377 struct timespec32 ts32; 2378 int error; 2379 2380 if (uap->tp == NULL) 2381 return (0); 2382 error = kern_clock_getres(td, uap->clock_id, &ts); 2383 if (error == 0) { 2384 CP(ts, ts32, tv_sec); 2385 CP(ts, ts32, tv_nsec); 2386 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2387 } 2388 return (error); 2389} 2390 2391int freebsd32_ktimer_create(struct thread *td, 2392 struct freebsd32_ktimer_create_args *uap) 2393{ 2394 struct sigevent32 ev32; 2395 struct sigevent ev, *evp; 2396 int error, id; 2397 2398 if (uap->evp == NULL) { 2399 evp = NULL; 2400 } else { 2401 evp = &ev; 2402 error = copyin(uap->evp, &ev32, sizeof(ev32)); 2403 if (error != 0) 2404 return (error); 2405 error = convert_sigevent32(&ev32, &ev); 2406 if (error != 0) 2407 return (error); 2408 } 2409 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1); 2410 if (error == 0) { 2411 error = copyout(&id, uap->timerid, sizeof(int)); 2412 if (error != 0) 2413 kern_ktimer_delete(td, id); 2414 } 2415 return (error); 2416} 2417 2418int 2419freebsd32_ktimer_settime(struct thread *td, 2420 struct freebsd32_ktimer_settime_args *uap) 2421{ 2422 struct itimerspec32 val32, oval32; 2423 struct itimerspec val, oval, *ovalp; 2424 int error; 2425 2426 error = copyin(uap->value, &val32, sizeof(val32)); 2427 if (error != 0) 2428 return (error); 2429 ITS_CP(val32, val); 2430 ovalp = uap->ovalue != NULL ? &oval : NULL; 2431 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp); 2432 if (error == 0 && uap->ovalue != NULL) { 2433 ITS_CP(oval, oval32); 2434 error = copyout(&oval32, uap->ovalue, sizeof(oval32)); 2435 } 2436 return (error); 2437} 2438 2439int 2440freebsd32_ktimer_gettime(struct thread *td, 2441 struct freebsd32_ktimer_gettime_args *uap) 2442{ 2443 struct itimerspec32 val32; 2444 struct itimerspec val; 2445 int error; 2446 2447 error = kern_ktimer_gettime(td, uap->timerid, &val); 2448 if (error == 0) { 2449 ITS_CP(val, val32); 2450 error = copyout(&val32, uap->value, sizeof(val32)); 2451 } 2452 return (error); 2453} 2454 2455int 2456freebsd32_clock_getcpuclockid2(struct thread *td, 2457 struct freebsd32_clock_getcpuclockid2_args *uap) 2458{ 2459 clockid_t clk_id; 2460 int error; 2461 2462 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id), 2463 uap->which, &clk_id); 2464 if (error == 0) 2465 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t)); 2466 return (error); 2467} 2468 2469int 2470freebsd32_thr_new(struct thread *td, 2471 struct freebsd32_thr_new_args *uap) 2472{ 2473 struct thr_param32 param32; 2474 struct thr_param param; 2475 int error; 2476 2477 if (uap->param_size < 0 || 2478 uap->param_size > sizeof(struct thr_param32)) 2479 return (EINVAL); 2480 bzero(¶m, sizeof(struct thr_param)); 2481 bzero(¶m32, sizeof(struct thr_param32)); 2482 error = copyin(uap->param, ¶m32, uap->param_size); 2483 if (error != 0) 2484 return (error); 2485 param.start_func = PTRIN(param32.start_func); 2486 param.arg = PTRIN(param32.arg); 2487 param.stack_base = PTRIN(param32.stack_base); 2488 param.stack_size = param32.stack_size; 2489 param.tls_base = PTRIN(param32.tls_base); 2490 param.tls_size = param32.tls_size; 2491 param.child_tid = PTRIN(param32.child_tid); 2492 param.parent_tid = PTRIN(param32.parent_tid); 2493 param.flags = param32.flags; 2494 param.rtp = PTRIN(param32.rtp); 2495 param.spare[0] = PTRIN(param32.spare[0]); 2496 param.spare[1] = PTRIN(param32.spare[1]); 2497 param.spare[2] = PTRIN(param32.spare[2]); 2498 2499 return (kern_thr_new(td, ¶m)); 2500} 2501 2502int 2503freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2504{ 2505 struct timespec32 ts32; 2506 struct timespec ts, *tsp; 2507 int error; 2508 2509 error = 0; 2510 tsp = NULL; 2511 if (uap->timeout != NULL) { 2512 error = copyin((const void *)uap->timeout, (void *)&ts32, 2513 sizeof(struct timespec32)); 2514 if (error != 0) 2515 return (error); 2516 ts.tv_sec = ts32.tv_sec; 2517 ts.tv_nsec = ts32.tv_nsec; 2518 tsp = &ts; 2519 } 2520 return (kern_thr_suspend(td, tsp)); 2521} 2522 2523void 2524siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2525{ 2526 bzero(dst, sizeof(*dst)); 2527 dst->si_signo = src->si_signo; 2528 dst->si_errno = src->si_errno; 2529 dst->si_code = src->si_code; 2530 dst->si_pid = src->si_pid; 2531 dst->si_uid = src->si_uid; 2532 dst->si_status = src->si_status; 2533 dst->si_addr = (uintptr_t)src->si_addr; 2534 dst->si_value.sival_int = src->si_value.sival_int; 2535 dst->si_timerid = src->si_timerid; 2536 dst->si_overrun = src->si_overrun; 2537} 2538 2539int 2540freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2541{ 2542 struct timespec32 ts32; 2543 struct timespec ts; 2544 struct timespec *timeout; 2545 sigset_t set; 2546 ksiginfo_t ksi; 2547 struct siginfo32 si32; 2548 int error; 2549 2550 if (uap->timeout) { 2551 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2552 if (error) 2553 return (error); 2554 ts.tv_sec = ts32.tv_sec; 2555 ts.tv_nsec = ts32.tv_nsec; 2556 timeout = &ts; 2557 } else 2558 timeout = NULL; 2559 2560 error = copyin(uap->set, &set, sizeof(set)); 2561 if (error) 2562 return (error); 2563 2564 error = kern_sigtimedwait(td, set, &ksi, timeout); 2565 if (error) 2566 return (error); 2567 2568 if (uap->info) { 2569 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2570 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2571 } 2572 2573 if (error == 0) 2574 td->td_retval[0] = ksi.ksi_signo; 2575 return (error); 2576} 2577 2578/* 2579 * MPSAFE 2580 */ 2581int 2582freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2583{ 2584 ksiginfo_t ksi; 2585 struct siginfo32 si32; 2586 sigset_t set; 2587 int error; 2588 2589 error = copyin(uap->set, &set, sizeof(set)); 2590 if (error) 2591 return (error); 2592 2593 error = kern_sigtimedwait(td, set, &ksi, NULL); 2594 if (error) 2595 return (error); 2596 2597 if (uap->info) { 2598 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2599 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2600 } 2601 if (error == 0) 2602 td->td_retval[0] = ksi.ksi_signo; 2603 return (error); 2604} 2605 2606int 2607freebsd32_cpuset_setid(struct thread *td, 2608 struct freebsd32_cpuset_setid_args *uap) 2609{ 2610 struct cpuset_setid_args ap; 2611 2612 ap.which = uap->which; 2613 ap.id = PAIR32TO64(id_t,uap->id); 2614 ap.setid = uap->setid; 2615 2616 return (sys_cpuset_setid(td, &ap)); 2617} 2618 2619int 2620freebsd32_cpuset_getid(struct thread *td, 2621 struct freebsd32_cpuset_getid_args *uap) 2622{ 2623 struct cpuset_getid_args ap; 2624 2625 ap.level = uap->level; 2626 ap.which = uap->which; 2627 ap.id = PAIR32TO64(id_t,uap->id); 2628 ap.setid = uap->setid; 2629 2630 return (sys_cpuset_getid(td, &ap)); 2631} 2632 2633int 2634freebsd32_cpuset_getaffinity(struct thread *td, 2635 struct freebsd32_cpuset_getaffinity_args *uap) 2636{ 2637 struct cpuset_getaffinity_args ap; 2638 2639 ap.level = uap->level; 2640 ap.which = uap->which; 2641 ap.id = PAIR32TO64(id_t,uap->id); 2642 ap.cpusetsize = uap->cpusetsize; 2643 ap.mask = uap->mask; 2644 2645 return (sys_cpuset_getaffinity(td, &ap)); 2646} 2647 2648int 2649freebsd32_cpuset_setaffinity(struct thread *td, 2650 struct freebsd32_cpuset_setaffinity_args *uap) 2651{ 2652 struct cpuset_setaffinity_args ap; 2653 2654 ap.level = uap->level; 2655 ap.which = uap->which; 2656 ap.id = PAIR32TO64(id_t,uap->id); 2657 ap.cpusetsize = uap->cpusetsize; 2658 ap.mask = uap->mask; 2659 2660 return (sys_cpuset_setaffinity(td, &ap)); 2661} 2662 2663int 2664freebsd32_nmount(struct thread *td, 2665 struct freebsd32_nmount_args /* { 2666 struct iovec *iovp; 2667 unsigned int iovcnt; 2668 int flags; 2669 } */ *uap) 2670{ 2671 struct uio *auio; 2672 uint64_t flags; 2673 int error; 2674 2675 /* 2676 * Mount flags are now 64-bits. On 32-bit archtectures only 2677 * 32-bits are passed in, but from here on everything handles 2678 * 64-bit flags correctly. 2679 */ 2680 flags = uap->flags; 2681 2682 AUDIT_ARG_FFLAGS(flags); 2683 2684 /* 2685 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2686 * userspace to set this flag, but we must filter it out if we want 2687 * MNT_UPDATE on the root file system to work. 2688 * MNT_ROOTFS should only be set by the kernel when mounting its 2689 * root file system. 2690 */ 2691 flags &= ~MNT_ROOTFS; 2692 2693 /* 2694 * check that we have an even number of iovec's 2695 * and that we have at least two options. 2696 */ 2697 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2698 return (EINVAL); 2699 2700 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2701 if (error) 2702 return (error); 2703 error = vfs_donmount(td, flags, auio); 2704 2705 free(auio, M_IOV); 2706 return error; 2707} 2708 2709#if 0 2710int 2711freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2712{ 2713 struct yyy32 *p32, s32; 2714 struct yyy *p = NULL, s; 2715 struct xxx_arg ap; 2716 int error; 2717 2718 if (uap->zzz) { 2719 error = copyin(uap->zzz, &s32, sizeof(s32)); 2720 if (error) 2721 return (error); 2722 /* translate in */ 2723 p = &s; 2724 } 2725 error = kern_xxx(td, p); 2726 if (error) 2727 return (error); 2728 if (uap->zzz) { 2729 /* translate out */ 2730 error = copyout(&s32, p32, sizeof(s32)); 2731 } 2732 return (error); 2733} 2734#endif 2735 2736int 2737syscall32_register(int *offset, struct sysent *new_sysent, 2738 struct sysent *old_sysent) 2739{ 2740 if (*offset == NO_SYSCALL) { 2741 int i; 2742 2743 for (i = 1; i < SYS_MAXSYSCALL; ++i) 2744 if (freebsd32_sysent[i].sy_call == 2745 (sy_call_t *)lkmnosys) 2746 break; 2747 if (i == SYS_MAXSYSCALL) 2748 return (ENFILE); 2749 *offset = i; 2750 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2751 return (EINVAL); 2752 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2753 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2754 return (EEXIST); 2755 2756 *old_sysent = freebsd32_sysent[*offset]; 2757 freebsd32_sysent[*offset] = *new_sysent; 2758 return 0; 2759} 2760 2761int 2762syscall32_deregister(int *offset, struct sysent *old_sysent) 2763{ 2764 2765 if (*offset) 2766 freebsd32_sysent[*offset] = *old_sysent; 2767 return 0; 2768} 2769 2770int 2771syscall32_module_handler(struct module *mod, int what, void *arg) 2772{ 2773 struct syscall_module_data *data = (struct syscall_module_data*)arg; 2774 modspecific_t ms; 2775 int error; 2776 2777 switch (what) { 2778 case MOD_LOAD: 2779 error = syscall32_register(data->offset, data->new_sysent, 2780 &data->old_sysent); 2781 if (error) { 2782 /* Leave a mark so we know to safely unload below. */ 2783 data->offset = NULL; 2784 return error; 2785 } 2786 ms.intval = *data->offset; 2787 MOD_XLOCK; 2788 module_setspecific(mod, &ms); 2789 MOD_XUNLOCK; 2790 if (data->chainevh) 2791 error = data->chainevh(mod, what, data->chainarg); 2792 return (error); 2793 case MOD_UNLOAD: 2794 /* 2795 * MOD_LOAD failed, so just return without calling the 2796 * chained handler since we didn't pass along the MOD_LOAD 2797 * event. 2798 */ 2799 if (data->offset == NULL) 2800 return (0); 2801 if (data->chainevh) { 2802 error = data->chainevh(mod, what, data->chainarg); 2803 if (error) 2804 return (error); 2805 } 2806 error = syscall32_deregister(data->offset, &data->old_sysent); 2807 return (error); 2808 default: 2809 error = EOPNOTSUPP; 2810 if (data->chainevh) 2811 error = data->chainevh(mod, what, data->chainarg); 2812 return (error); 2813 } 2814} 2815 2816int 2817syscall32_helper_register(struct syscall_helper_data *sd) 2818{ 2819 struct syscall_helper_data *sd1; 2820 int error; 2821 2822 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) { 2823 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent, 2824 &sd1->old_sysent); 2825 if (error != 0) { 2826 syscall32_helper_unregister(sd); 2827 return (error); 2828 } 2829 sd1->registered = 1; 2830 } 2831 return (0); 2832} 2833 2834int 2835syscall32_helper_unregister(struct syscall_helper_data *sd) 2836{ 2837 struct syscall_helper_data *sd1; 2838 2839 for (sd1 = sd; sd1->registered != 0; sd1++) { 2840 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent); 2841 sd1->registered = 0; 2842 } 2843 return (0); 2844} 2845 2846register_t * 2847freebsd32_copyout_strings(struct image_params *imgp) 2848{ 2849 int argc, envc, i; 2850 u_int32_t *vectp; 2851 char *stringp; 2852 uintptr_t destp; 2853 u_int32_t *stack_base; 2854 struct freebsd32_ps_strings *arginfo; 2855 char canary[sizeof(long) * 8]; 2856 int32_t pagesizes32[MAXPAGESIZES]; 2857 size_t execpath_len; 2858 int szsigcode; 2859 2860 /* 2861 * Calculate string base and vector table pointers. 2862 * Also deal with signal trampoline code for this exec type. 2863 */ 2864 if (imgp->execpath != NULL && imgp->auxargs != NULL) 2865 execpath_len = strlen(imgp->execpath) + 1; 2866 else 2867 execpath_len = 0; 2868 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 2869 sv_psstrings; 2870 if (imgp->proc->p_sysent->sv_sigcode_base == 0) 2871 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 2872 else 2873 szsigcode = 0; 2874 destp = (uintptr_t)arginfo; 2875 2876 /* 2877 * install sigcode 2878 */ 2879 if (szsigcode != 0) { 2880 destp -= szsigcode; 2881 destp = rounddown2(destp, sizeof(uint32_t)); 2882 copyout(imgp->proc->p_sysent->sv_sigcode, (void *)destp, 2883 szsigcode); 2884 } 2885 2886 /* 2887 * Copy the image path for the rtld. 2888 */ 2889 if (execpath_len != 0) { 2890 destp -= execpath_len; 2891 imgp->execpathp = destp; 2892 copyout(imgp->execpath, (void *)destp, execpath_len); 2893 } 2894 2895 /* 2896 * Prepare the canary for SSP. 2897 */ 2898 arc4rand(canary, sizeof(canary), 0); 2899 destp -= sizeof(canary); 2900 imgp->canary = destp; 2901 copyout(canary, (void *)destp, sizeof(canary)); 2902 imgp->canarylen = sizeof(canary); 2903 2904 /* 2905 * Prepare the pagesizes array. 2906 */ 2907 for (i = 0; i < MAXPAGESIZES; i++) 2908 pagesizes32[i] = (uint32_t)pagesizes[i]; 2909 destp -= sizeof(pagesizes32); 2910 destp = rounddown2(destp, sizeof(uint32_t)); 2911 imgp->pagesizes = destp; 2912 copyout(pagesizes32, (void *)destp, sizeof(pagesizes32)); 2913 imgp->pagesizeslen = sizeof(pagesizes32); 2914 2915 destp -= ARG_MAX - imgp->args->stringspace; 2916 destp = rounddown2(destp, sizeof(uint32_t)); 2917 2918 /* 2919 * If we have a valid auxargs ptr, prepare some room 2920 * on the stack. 2921 */ 2922 if (imgp->auxargs) { 2923 /* 2924 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 2925 * lower compatibility. 2926 */ 2927 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 2928 : (AT_COUNT * 2); 2929 /* 2930 * The '+ 2' is for the null pointers at the end of each of 2931 * the arg and env vector sets,and imgp->auxarg_size is room 2932 * for argument of Runtime loader. 2933 */ 2934 vectp = (u_int32_t *) (destp - (imgp->args->argc + 2935 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 2936 sizeof(u_int32_t)); 2937 } else { 2938 /* 2939 * The '+ 2' is for the null pointers at the end of each of 2940 * the arg and env vector sets 2941 */ 2942 vectp = (u_int32_t *)(destp - (imgp->args->argc + 2943 imgp->args->envc + 2) * sizeof(u_int32_t)); 2944 } 2945 2946 /* 2947 * vectp also becomes our initial stack base 2948 */ 2949 stack_base = vectp; 2950 2951 stringp = imgp->args->begin_argv; 2952 argc = imgp->args->argc; 2953 envc = imgp->args->envc; 2954 /* 2955 * Copy out strings - arguments and environment. 2956 */ 2957 copyout(stringp, (void *)destp, ARG_MAX - imgp->args->stringspace); 2958 2959 /* 2960 * Fill in "ps_strings" struct for ps, w, etc. 2961 */ 2962 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 2963 suword32(&arginfo->ps_nargvstr, argc); 2964 2965 /* 2966 * Fill in argument portion of vector table. 2967 */ 2968 for (; argc > 0; --argc) { 2969 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2970 while (*stringp++ != 0) 2971 destp++; 2972 destp++; 2973 } 2974 2975 /* a null vector table pointer separates the argp's from the envp's */ 2976 suword32(vectp++, 0); 2977 2978 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 2979 suword32(&arginfo->ps_nenvstr, envc); 2980 2981 /* 2982 * Fill in environment portion of vector table. 2983 */ 2984 for (; envc > 0; --envc) { 2985 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2986 while (*stringp++ != 0) 2987 destp++; 2988 destp++; 2989 } 2990 2991 /* end of vector table is a null pointer */ 2992 suword32(vectp, 0); 2993 2994 return ((register_t *)stack_base); 2995} 2996 2997int 2998freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap) 2999{ 3000 struct kld_file_stat stat; 3001 struct kld32_file_stat stat32; 3002 int error, version; 3003 3004 if ((error = copyin(&uap->stat->version, &version, sizeof(version))) 3005 != 0) 3006 return (error); 3007 if (version != sizeof(struct kld32_file_stat_1) && 3008 version != sizeof(struct kld32_file_stat)) 3009 return (EINVAL); 3010 3011 error = kern_kldstat(td, uap->fileid, &stat); 3012 if (error != 0) 3013 return (error); 3014 3015 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name)); 3016 CP(stat, stat32, refs); 3017 CP(stat, stat32, id); 3018 PTROUT_CP(stat, stat32, address); 3019 CP(stat, stat32, size); 3020 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname)); 3021 return (copyout(&stat32, uap->stat, version)); 3022} 3023 3024int 3025freebsd32_posix_fallocate(struct thread *td, 3026 struct freebsd32_posix_fallocate_args *uap) 3027{ 3028 3029 td->td_retval[0] = kern_posix_fallocate(td, uap->fd, 3030 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len)); 3031 return (0); 3032} 3033 3034int 3035freebsd32_posix_fadvise(struct thread *td, 3036 struct freebsd32_posix_fadvise_args *uap) 3037{ 3038 3039 td->td_retval[0] = kern_posix_fadvise(td, uap->fd, 3040 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len), 3041 uap->advice); 3042 return (0); 3043} 3044 3045int 3046convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig) 3047{ 3048 3049 CP(*sig32, *sig, sigev_notify); 3050 switch (sig->sigev_notify) { 3051 case SIGEV_NONE: 3052 break; 3053 case SIGEV_THREAD_ID: 3054 CP(*sig32, *sig, sigev_notify_thread_id); 3055 /* FALLTHROUGH */ 3056 case SIGEV_SIGNAL: 3057 CP(*sig32, *sig, sigev_signo); 3058 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3059 break; 3060 case SIGEV_KEVENT: 3061 CP(*sig32, *sig, sigev_notify_kqueue); 3062 CP(*sig32, *sig, sigev_notify_kevent_flags); 3063 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3064 break; 3065 default: 3066 return (EINVAL); 3067 } 3068 return (0); 3069} 3070 3071int 3072freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap) 3073{ 3074 void *data; 3075 union { 3076 struct procctl_reaper_status rs; 3077 struct procctl_reaper_pids rp; 3078 struct procctl_reaper_kill rk; 3079 } x; 3080 union { 3081 struct procctl_reaper_pids32 rp; 3082 } x32; 3083 int error, error1, flags; 3084 3085 switch (uap->com) { 3086 case PROC_SPROTECT: 3087 case PROC_TRACE_CTL: 3088 error = copyin(PTRIN(uap->data), &flags, sizeof(flags)); 3089 if (error != 0) 3090 return (error); 3091 data = &flags; 3092 break; 3093 case PROC_REAP_ACQUIRE: 3094 case PROC_REAP_RELEASE: 3095 if (uap->data != NULL) 3096 return (EINVAL); 3097 data = NULL; 3098 break; 3099 case PROC_REAP_STATUS: 3100 data = &x.rs; 3101 break; 3102 case PROC_REAP_GETPIDS: 3103 error = copyin(uap->data, &x32.rp, sizeof(x32.rp)); 3104 if (error != 0) 3105 return (error); 3106 CP(x32.rp, x.rp, rp_count); 3107 PTRIN_CP(x32.rp, x.rp, rp_pids); 3108 data = &x.rp; 3109 break; 3110 case PROC_REAP_KILL: 3111 error = copyin(uap->data, &x.rk, sizeof(x.rk)); 3112 if (error != 0) 3113 return (error); 3114 data = &x.rk; 3115 break; 3116 case PROC_TRACE_STATUS: 3117 data = &flags; 3118 break; 3119 default: 3120 return (EINVAL); 3121 } 3122 error = kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id), 3123 uap->com, data); 3124 switch (uap->com) { 3125 case PROC_REAP_STATUS: 3126 if (error == 0) 3127 error = copyout(&x.rs, uap->data, sizeof(x.rs)); 3128 break; 3129 case PROC_REAP_KILL: 3130 error1 = copyout(&x.rk, uap->data, sizeof(x.rk)); 3131 if (error == 0) 3132 error = error1; 3133 break; 3134 case PROC_TRACE_STATUS: 3135 if (error == 0) 3136 error = copyout(&flags, uap->data, sizeof(flags)); 3137 break; 3138 } 3139 return (error); 3140} 3141 3142int 3143freebsd32_fcntl(struct thread *td, struct freebsd32_fcntl_args *uap) 3144{ 3145 long tmp; 3146 3147 switch (uap->cmd) { 3148 /* 3149 * Do unsigned conversion for arg when operation 3150 * interprets it as flags or pointer. 3151 */ 3152 case F_SETLK_REMOTE: 3153 case F_SETLKW: 3154 case F_SETLK: 3155 case F_GETLK: 3156 case F_SETFD: 3157 case F_SETFL: 3158 case F_OGETLK: 3159 case F_OSETLK: 3160 case F_OSETLKW: 3161 tmp = (unsigned int)(uap->arg); 3162 break; 3163 default: 3164 tmp = uap->arg; 3165 break; 3166 } 3167 return (kern_fcntl_freebsd(td, uap->fd, uap->cmd, tmp)); 3168} 3169 3170int 3171freebsd32_ppoll(struct thread *td, struct freebsd32_ppoll_args *uap) 3172{ 3173 struct timespec32 ts32; 3174 struct timespec ts, *tsp; 3175 sigset_t set, *ssp; 3176 int error; 3177 3178 if (uap->ts != NULL) { 3179 error = copyin(uap->ts, &ts32, sizeof(ts32)); 3180 if (error != 0) 3181 return (error); 3182 CP(ts32, ts, tv_sec); 3183 CP(ts32, ts, tv_nsec); 3184 tsp = &ts; 3185 } else 3186 tsp = NULL; 3187 if (uap->set != NULL) { 3188 error = copyin(uap->set, &set, sizeof(set)); 3189 if (error != 0) 3190 return (error); 3191 ssp = &set; 3192 } else 3193 ssp = NULL; 3194 3195 return (kern_poll(td, uap->fds, uap->nfds, tsp, ssp)); 3196} 3197