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