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