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