Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/compat/freebsd32/freebsd32_misc.c
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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: releng/9.2/sys/compat/freebsd32/freebsd32_misc.c 251051 2013-05-28 05:51:00Z kib $"); 29 30 #include "opt_compat.h" 31 #include "opt_inet.h" 32 #include "opt_inet6.h" 33 34 #define __ELF_WORD_SIZE 32 35 36 #include <sys/param.h> 37 #include <sys/bus.h> 38 #include <sys/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 CTASSERT(sizeof(struct timeval32) == 8); 108 CTASSERT(sizeof(struct timespec32) == 8); 109 CTASSERT(sizeof(struct itimerval32) == 16); 110 CTASSERT(sizeof(struct statfs32) == 256); 111 CTASSERT(sizeof(struct rusage32) == 72); 112 CTASSERT(sizeof(struct sigaltstack32) == 12); 113 CTASSERT(sizeof(struct kevent32) == 20); 114 CTASSERT(sizeof(struct iovec32) == 8); 115 CTASSERT(sizeof(struct msghdr32) == 28); 116 CTASSERT(sizeof(struct stat32) == 96); 117 CTASSERT(sizeof(struct sigaction32) == 24); 118 119 static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 120 static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 121 122 #if BYTE_ORDER == BIG_ENDIAN 123 #define PAIR32TO64(type, name) ((name ## 2) | ((type)(name ## 1) << 32)) 124 #define RETVAL_HI 0 125 #define RETVAL_LO 1 126 #else 127 #define PAIR32TO64(type, name) ((name ## 1) | ((type)(name ## 2) << 32)) 128 #define RETVAL_HI 1 129 #define RETVAL_LO 0 130 #endif 131 132 void 133 freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32) 134 { 135 136 TV_CP(*s, *s32, ru_utime); 137 TV_CP(*s, *s32, ru_stime); 138 CP(*s, *s32, ru_maxrss); 139 CP(*s, *s32, ru_ixrss); 140 CP(*s, *s32, ru_idrss); 141 CP(*s, *s32, ru_isrss); 142 CP(*s, *s32, ru_minflt); 143 CP(*s, *s32, ru_majflt); 144 CP(*s, *s32, ru_nswap); 145 CP(*s, *s32, ru_inblock); 146 CP(*s, *s32, ru_oublock); 147 CP(*s, *s32, ru_msgsnd); 148 CP(*s, *s32, ru_msgrcv); 149 CP(*s, *s32, ru_nsignals); 150 CP(*s, *s32, ru_nvcsw); 151 CP(*s, *s32, ru_nivcsw); 152 } 153 154 int 155 freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 156 { 157 int error, status; 158 struct rusage32 ru32; 159 struct rusage ru, *rup; 160 161 if (uap->rusage != NULL) 162 rup = &ru; 163 else 164 rup = NULL; 165 error = kern_wait(td, uap->pid, &status, uap->options, rup); 166 if (error) 167 return (error); 168 if (uap->status != NULL) 169 error = copyout(&status, uap->status, sizeof(status)); 170 if (uap->rusage != NULL && error == 0) { 171 freebsd32_rusage_out(&ru, &ru32); 172 error = copyout(&ru32, uap->rusage, sizeof(ru32)); 173 } 174 return (error); 175 } 176 177 int 178 freebsd32_wait6(struct thread *td, struct freebsd32_wait6_args *uap) 179 { 180 struct wrusage32 wru32; 181 struct __wrusage wru, *wrup; 182 struct siginfo32 si32; 183 struct __siginfo si, *sip; 184 int error, status; 185 186 if (uap->wrusage != NULL) 187 wrup = &wru; 188 else 189 wrup = NULL; 190 if (uap->info != NULL) { 191 sip = &si; 192 bzero(sip, sizeof(*sip)); 193 } else 194 sip = NULL; 195 error = kern_wait6(td, uap->idtype, PAIR32TO64(id_t, uap->id), 196 &status, uap->options, wrup, sip); 197 if (error != 0) 198 return (error); 199 if (uap->status != NULL) 200 error = copyout(&status, uap->status, sizeof(status)); 201 if (uap->wrusage != NULL && error == 0) { 202 freebsd32_rusage_out(&wru.wru_self, &wru32.wru_self); 203 freebsd32_rusage_out(&wru.wru_children, &wru32.wru_children); 204 error = copyout(&wru32, uap->wrusage, sizeof(wru32)); 205 } 206 if (uap->info != NULL && error == 0) { 207 siginfo_to_siginfo32 (&si, &si32); 208 error = copyout(&si32, uap->info, sizeof(si32)); 209 } 210 return (error); 211 } 212 213 #ifdef COMPAT_FREEBSD4 214 static void 215 copy_statfs(struct statfs *in, struct statfs32 *out) 216 { 217 218 statfs_scale_blocks(in, INT32_MAX); 219 bzero(out, sizeof(*out)); 220 CP(*in, *out, f_bsize); 221 out->f_iosize = MIN(in->f_iosize, INT32_MAX); 222 CP(*in, *out, f_blocks); 223 CP(*in, *out, f_bfree); 224 CP(*in, *out, f_bavail); 225 out->f_files = MIN(in->f_files, INT32_MAX); 226 out->f_ffree = MIN(in->f_ffree, INT32_MAX); 227 CP(*in, *out, f_fsid); 228 CP(*in, *out, f_owner); 229 CP(*in, *out, f_type); 230 CP(*in, *out, f_flags); 231 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 232 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 233 strlcpy(out->f_fstypename, 234 in->f_fstypename, MFSNAMELEN); 235 strlcpy(out->f_mntonname, 236 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 237 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 238 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 239 strlcpy(out->f_mntfromname, 240 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 241 } 242 #endif 243 244 #ifdef COMPAT_FREEBSD4 245 int 246 freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap) 247 { 248 struct statfs *buf, *sp; 249 struct statfs32 stat32; 250 size_t count, size; 251 int error; 252 253 count = uap->bufsize / sizeof(struct statfs32); 254 size = count * sizeof(struct statfs); 255 error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 256 if (size > 0) { 257 count = td->td_retval[0]; 258 sp = buf; 259 while (count > 0 && error == 0) { 260 copy_statfs(sp, &stat32); 261 error = copyout(&stat32, uap->buf, sizeof(stat32)); 262 sp++; 263 uap->buf++; 264 count--; 265 } 266 free(buf, M_TEMP); 267 } 268 return (error); 269 } 270 #endif 271 272 int 273 freebsd32_sigaltstack(struct thread *td, 274 struct freebsd32_sigaltstack_args *uap) 275 { 276 struct sigaltstack32 s32; 277 struct sigaltstack ss, oss, *ssp; 278 int error; 279 280 if (uap->ss != NULL) { 281 error = copyin(uap->ss, &s32, sizeof(s32)); 282 if (error) 283 return (error); 284 PTRIN_CP(s32, ss, ss_sp); 285 CP(s32, ss, ss_size); 286 CP(s32, ss, ss_flags); 287 ssp = &ss; 288 } else 289 ssp = NULL; 290 error = kern_sigaltstack(td, ssp, &oss); 291 if (error == 0 && uap->oss != NULL) { 292 PTROUT_CP(oss, s32, ss_sp); 293 CP(oss, s32, ss_size); 294 CP(oss, s32, ss_flags); 295 error = copyout(&s32, uap->oss, sizeof(s32)); 296 } 297 return (error); 298 } 299 300 /* 301 * Custom version of exec_copyin_args() so that we can translate 302 * the pointers. 303 */ 304 int 305 freebsd32_exec_copyin_args(struct image_args *args, char *fname, 306 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 307 { 308 char *argp, *envp; 309 u_int32_t *p32, arg; 310 size_t length; 311 int error; 312 313 bzero(args, sizeof(*args)); 314 if (argv == NULL) 315 return (EFAULT); 316 317 /* 318 * Allocate demand-paged memory for the file name, argument, and 319 * environment strings. 320 */ 321 error = exec_alloc_args(args); 322 if (error != 0) 323 return (error); 324 325 /* 326 * Copy the file name. 327 */ 328 if (fname != NULL) { 329 args->fname = args->buf; 330 error = (segflg == UIO_SYSSPACE) ? 331 copystr(fname, args->fname, PATH_MAX, &length) : 332 copyinstr(fname, args->fname, PATH_MAX, &length); 333 if (error != 0) 334 goto err_exit; 335 } else 336 length = 0; 337 338 args->begin_argv = args->buf + length; 339 args->endp = args->begin_argv; 340 args->stringspace = ARG_MAX; 341 342 /* 343 * extract arguments first 344 */ 345 p32 = argv; 346 for (;;) { 347 error = copyin(p32++, &arg, sizeof(arg)); 348 if (error) 349 goto err_exit; 350 if (arg == 0) 351 break; 352 argp = PTRIN(arg); 353 error = copyinstr(argp, args->endp, args->stringspace, &length); 354 if (error) { 355 if (error == ENAMETOOLONG) 356 error = E2BIG; 357 goto err_exit; 358 } 359 args->stringspace -= length; 360 args->endp += length; 361 args->argc++; 362 } 363 364 args->begin_envv = args->endp; 365 366 /* 367 * extract environment strings 368 */ 369 if (envv) { 370 p32 = envv; 371 for (;;) { 372 error = copyin(p32++, &arg, sizeof(arg)); 373 if (error) 374 goto err_exit; 375 if (arg == 0) 376 break; 377 envp = PTRIN(arg); 378 error = copyinstr(envp, args->endp, args->stringspace, 379 &length); 380 if (error) { 381 if (error == ENAMETOOLONG) 382 error = E2BIG; 383 goto err_exit; 384 } 385 args->stringspace -= length; 386 args->endp += length; 387 args->envc++; 388 } 389 } 390 391 return (0); 392 393 err_exit: 394 exec_free_args(args); 395 return (error); 396 } 397 398 int 399 freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 400 { 401 struct image_args eargs; 402 int error; 403 404 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 405 uap->argv, uap->envv); 406 if (error == 0) 407 error = kern_execve(td, &eargs, NULL); 408 return (error); 409 } 410 411 int 412 freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 413 { 414 struct image_args eargs; 415 int error; 416 417 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 418 uap->argv, uap->envv); 419 if (error == 0) { 420 eargs.fd = uap->fd; 421 error = kern_execve(td, &eargs, NULL); 422 } 423 return (error); 424 } 425 426 #ifdef __ia64__ 427 static int 428 freebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, 429 int prot, int fd, off_t pos) 430 { 431 vm_map_t map; 432 vm_map_entry_t entry; 433 int rv; 434 435 map = &td->td_proc->p_vmspace->vm_map; 436 if (fd != -1) 437 prot |= VM_PROT_WRITE; 438 439 if (vm_map_lookup_entry(map, start, &entry)) { 440 if ((entry->protection & prot) != prot) { 441 rv = vm_map_protect(map, 442 trunc_page(start), 443 round_page(end), 444 entry->protection | prot, 445 FALSE); 446 if (rv != KERN_SUCCESS) 447 return (EINVAL); 448 } 449 } else { 450 vm_offset_t addr = trunc_page(start); 451 rv = vm_map_find(map, 0, 0, 452 &addr, PAGE_SIZE, FALSE, prot, 453 VM_PROT_ALL, 0); 454 if (rv != KERN_SUCCESS) 455 return (EINVAL); 456 } 457 458 if (fd != -1) { 459 struct pread_args r; 460 r.fd = fd; 461 r.buf = (void *) start; 462 r.nbyte = end - start; 463 r.offset = pos; 464 return (sys_pread(td, &r)); 465 } else { 466 while (start < end) { 467 subyte((void *) start, 0); 468 start++; 469 } 470 return (0); 471 } 472 } 473 #endif 474 475 int 476 freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap) 477 { 478 struct mprotect_args ap; 479 480 ap.addr = PTRIN(uap->addr); 481 ap.len = uap->len; 482 ap.prot = uap->prot; 483 #if defined(__amd64__) || defined(__ia64__) 484 if (i386_read_exec && (ap.prot & PROT_READ) != 0) 485 ap.prot |= PROT_EXEC; 486 #endif 487 return (sys_mprotect(td, &ap)); 488 } 489 490 int 491 freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 492 { 493 struct mmap_args ap; 494 vm_offset_t addr = (vm_offset_t) uap->addr; 495 vm_size_t len = uap->len; 496 int prot = uap->prot; 497 int flags = uap->flags; 498 int fd = uap->fd; 499 off_t pos = PAIR32TO64(off_t,uap->pos); 500 #ifdef __ia64__ 501 vm_size_t pageoff; 502 int error; 503 504 /* 505 * Attempt to handle page size hassles. 506 */ 507 pageoff = (pos & PAGE_MASK); 508 if (flags & MAP_FIXED) { 509 vm_offset_t start, end; 510 start = addr; 511 end = addr + len; 512 513 if (start != trunc_page(start)) { 514 error = freebsd32_mmap_partial(td, start, 515 round_page(start), prot, 516 fd, pos); 517 if (fd != -1) 518 pos += round_page(start) - start; 519 start = round_page(start); 520 } 521 if (end != round_page(end)) { 522 vm_offset_t t = trunc_page(end); 523 error = freebsd32_mmap_partial(td, t, end, 524 prot, fd, 525 pos + t - start); 526 end = trunc_page(end); 527 } 528 if (end > start && fd != -1 && (pos & PAGE_MASK)) { 529 /* 530 * We can't map this region at all. The specified 531 * address doesn't have the same alignment as the file 532 * position. Fake the mapping by simply reading the 533 * entire region into memory. First we need to make 534 * sure the region exists. 535 */ 536 vm_map_t map; 537 struct pread_args r; 538 int rv; 539 540 prot |= VM_PROT_WRITE; 541 map = &td->td_proc->p_vmspace->vm_map; 542 rv = vm_map_remove(map, start, end); 543 if (rv != KERN_SUCCESS) 544 return (EINVAL); 545 rv = vm_map_find(map, 0, 0, 546 &start, end - start, FALSE, 547 prot, VM_PROT_ALL, 0); 548 if (rv != KERN_SUCCESS) 549 return (EINVAL); 550 r.fd = fd; 551 r.buf = (void *) start; 552 r.nbyte = end - start; 553 r.offset = pos; 554 error = sys_pread(td, &r); 555 if (error) 556 return (error); 557 558 td->td_retval[0] = addr; 559 return (0); 560 } 561 if (end == start) { 562 /* 563 * After dealing with the ragged ends, there 564 * might be none left. 565 */ 566 td->td_retval[0] = addr; 567 return (0); 568 } 569 addr = start; 570 len = end - start; 571 } 572 #endif 573 574 #if defined(__amd64__) || defined(__ia64__) 575 if (i386_read_exec && (prot & PROT_READ)) 576 prot |= PROT_EXEC; 577 #endif 578 579 ap.addr = (void *) addr; 580 ap.len = len; 581 ap.prot = prot; 582 ap.flags = flags; 583 ap.fd = fd; 584 ap.pos = pos; 585 586 return (sys_mmap(td, &ap)); 587 } 588 589 #ifdef COMPAT_FREEBSD6 590 int 591 freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 592 { 593 struct freebsd32_mmap_args ap; 594 595 ap.addr = uap->addr; 596 ap.len = uap->len; 597 ap.prot = uap->prot; 598 ap.flags = uap->flags; 599 ap.fd = uap->fd; 600 ap.pos1 = uap->pos1; 601 ap.pos2 = uap->pos2; 602 603 return (freebsd32_mmap(td, &ap)); 604 } 605 #endif 606 607 int 608 freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 609 { 610 struct itimerval itv, oitv, *itvp; 611 struct itimerval32 i32; 612 int error; 613 614 if (uap->itv != NULL) { 615 error = copyin(uap->itv, &i32, sizeof(i32)); 616 if (error) 617 return (error); 618 TV_CP(i32, itv, it_interval); 619 TV_CP(i32, itv, it_value); 620 itvp = &itv; 621 } else 622 itvp = NULL; 623 error = kern_setitimer(td, uap->which, itvp, &oitv); 624 if (error || uap->oitv == NULL) 625 return (error); 626 TV_CP(oitv, i32, it_interval); 627 TV_CP(oitv, i32, it_value); 628 return (copyout(&i32, uap->oitv, sizeof(i32))); 629 } 630 631 int 632 freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 633 { 634 struct itimerval itv; 635 struct itimerval32 i32; 636 int error; 637 638 error = kern_getitimer(td, uap->which, &itv); 639 if (error || uap->itv == NULL) 640 return (error); 641 TV_CP(itv, i32, it_interval); 642 TV_CP(itv, i32, it_value); 643 return (copyout(&i32, uap->itv, sizeof(i32))); 644 } 645 646 int 647 freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 648 { 649 struct timeval32 tv32; 650 struct timeval tv, *tvp; 651 int error; 652 653 if (uap->tv != NULL) { 654 error = copyin(uap->tv, &tv32, sizeof(tv32)); 655 if (error) 656 return (error); 657 CP(tv32, tv, tv_sec); 658 CP(tv32, tv, tv_usec); 659 tvp = &tv; 660 } else 661 tvp = NULL; 662 /* 663 * XXX Do pointers need PTRIN()? 664 */ 665 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 666 sizeof(int32_t) * 8)); 667 } 668 669 int 670 freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 671 { 672 struct timespec32 ts32; 673 struct timespec ts; 674 struct timeval tv, *tvp; 675 sigset_t set, *uset; 676 int error; 677 678 if (uap->ts != NULL) { 679 error = copyin(uap->ts, &ts32, sizeof(ts32)); 680 if (error != 0) 681 return (error); 682 CP(ts32, ts, tv_sec); 683 CP(ts32, ts, tv_nsec); 684 TIMESPEC_TO_TIMEVAL(&tv, &ts); 685 tvp = &tv; 686 } else 687 tvp = NULL; 688 if (uap->sm != NULL) { 689 error = copyin(uap->sm, &set, sizeof(set)); 690 if (error != 0) 691 return (error); 692 uset = &set; 693 } else 694 uset = NULL; 695 /* 696 * XXX Do pointers need PTRIN()? 697 */ 698 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 699 uset, sizeof(int32_t) * 8); 700 return (error); 701 } 702 703 /* 704 * Copy 'count' items into the destination list pointed to by uap->eventlist. 705 */ 706 static int 707 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 708 { 709 struct freebsd32_kevent_args *uap; 710 struct kevent32 ks32[KQ_NEVENTS]; 711 int i, error = 0; 712 713 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 714 uap = (struct freebsd32_kevent_args *)arg; 715 716 for (i = 0; i < count; i++) { 717 CP(kevp[i], ks32[i], ident); 718 CP(kevp[i], ks32[i], filter); 719 CP(kevp[i], ks32[i], flags); 720 CP(kevp[i], ks32[i], fflags); 721 CP(kevp[i], ks32[i], data); 722 PTROUT_CP(kevp[i], ks32[i], udata); 723 } 724 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 725 if (error == 0) 726 uap->eventlist += count; 727 return (error); 728 } 729 730 /* 731 * Copy 'count' items from the list pointed to by uap->changelist. 732 */ 733 static int 734 freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 735 { 736 struct freebsd32_kevent_args *uap; 737 struct kevent32 ks32[KQ_NEVENTS]; 738 int i, error = 0; 739 740 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 741 uap = (struct freebsd32_kevent_args *)arg; 742 743 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 744 if (error) 745 goto done; 746 uap->changelist += count; 747 748 for (i = 0; i < count; i++) { 749 CP(ks32[i], kevp[i], ident); 750 CP(ks32[i], kevp[i], filter); 751 CP(ks32[i], kevp[i], flags); 752 CP(ks32[i], kevp[i], fflags); 753 CP(ks32[i], kevp[i], data); 754 PTRIN_CP(ks32[i], kevp[i], udata); 755 } 756 done: 757 return (error); 758 } 759 760 int 761 freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 762 { 763 struct timespec32 ts32; 764 struct timespec ts, *tsp; 765 struct kevent_copyops k_ops = { uap, 766 freebsd32_kevent_copyout, 767 freebsd32_kevent_copyin}; 768 int error; 769 770 771 if (uap->timeout) { 772 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 773 if (error) 774 return (error); 775 CP(ts32, ts, tv_sec); 776 CP(ts32, ts, tv_nsec); 777 tsp = &ts; 778 } else 779 tsp = NULL; 780 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 781 &k_ops, tsp); 782 return (error); 783 } 784 785 int 786 freebsd32_gettimeofday(struct thread *td, 787 struct freebsd32_gettimeofday_args *uap) 788 { 789 struct timeval atv; 790 struct timeval32 atv32; 791 struct timezone rtz; 792 int error = 0; 793 794 if (uap->tp) { 795 microtime(&atv); 796 CP(atv, atv32, tv_sec); 797 CP(atv, atv32, tv_usec); 798 error = copyout(&atv32, uap->tp, sizeof (atv32)); 799 } 800 if (error == 0 && uap->tzp != NULL) { 801 rtz.tz_minuteswest = tz_minuteswest; 802 rtz.tz_dsttime = tz_dsttime; 803 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 804 } 805 return (error); 806 } 807 808 int 809 freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 810 { 811 struct rusage32 s32; 812 struct rusage s; 813 int error; 814 815 error = kern_getrusage(td, uap->who, &s); 816 if (error) 817 return (error); 818 if (uap->rusage != NULL) { 819 freebsd32_rusage_out(&s, &s32); 820 error = copyout(&s32, uap->rusage, sizeof(s32)); 821 } 822 return (error); 823 } 824 825 static int 826 freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 827 { 828 struct iovec32 iov32; 829 struct iovec *iov; 830 struct uio *uio; 831 u_int iovlen; 832 int error, i; 833 834 *uiop = NULL; 835 if (iovcnt > UIO_MAXIOV) 836 return (EINVAL); 837 iovlen = iovcnt * sizeof(struct iovec); 838 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 839 iov = (struct iovec *)(uio + 1); 840 for (i = 0; i < iovcnt; i++) { 841 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 842 if (error) { 843 free(uio, M_IOV); 844 return (error); 845 } 846 iov[i].iov_base = PTRIN(iov32.iov_base); 847 iov[i].iov_len = iov32.iov_len; 848 } 849 uio->uio_iov = iov; 850 uio->uio_iovcnt = iovcnt; 851 uio->uio_segflg = UIO_USERSPACE; 852 uio->uio_offset = -1; 853 uio->uio_resid = 0; 854 for (i = 0; i < iovcnt; i++) { 855 if (iov->iov_len > INT_MAX - uio->uio_resid) { 856 free(uio, M_IOV); 857 return (EINVAL); 858 } 859 uio->uio_resid += iov->iov_len; 860 iov++; 861 } 862 *uiop = uio; 863 return (0); 864 } 865 866 int 867 freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 868 { 869 struct uio *auio; 870 int error; 871 872 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 873 if (error) 874 return (error); 875 error = kern_readv(td, uap->fd, auio); 876 free(auio, M_IOV); 877 return (error); 878 } 879 880 int 881 freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 882 { 883 struct uio *auio; 884 int error; 885 886 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 887 if (error) 888 return (error); 889 error = kern_writev(td, uap->fd, auio); 890 free(auio, M_IOV); 891 return (error); 892 } 893 894 int 895 freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 896 { 897 struct uio *auio; 898 int error; 899 900 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 901 if (error) 902 return (error); 903 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 904 free(auio, M_IOV); 905 return (error); 906 } 907 908 int 909 freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 910 { 911 struct uio *auio; 912 int error; 913 914 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 915 if (error) 916 return (error); 917 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 918 free(auio, M_IOV); 919 return (error); 920 } 921 922 int 923 freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 924 int error) 925 { 926 struct iovec32 iov32; 927 struct iovec *iov; 928 u_int iovlen; 929 int i; 930 931 *iovp = NULL; 932 if (iovcnt > UIO_MAXIOV) 933 return (error); 934 iovlen = iovcnt * sizeof(struct iovec); 935 iov = malloc(iovlen, M_IOV, M_WAITOK); 936 for (i = 0; i < iovcnt; i++) { 937 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 938 if (error) { 939 free(iov, M_IOV); 940 return (error); 941 } 942 iov[i].iov_base = PTRIN(iov32.iov_base); 943 iov[i].iov_len = iov32.iov_len; 944 } 945 *iovp = iov; 946 return (0); 947 } 948 949 static int 950 freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 951 { 952 struct msghdr32 m32; 953 int error; 954 955 error = copyin(msg32, &m32, sizeof(m32)); 956 if (error) 957 return (error); 958 msg->msg_name = PTRIN(m32.msg_name); 959 msg->msg_namelen = m32.msg_namelen; 960 msg->msg_iov = PTRIN(m32.msg_iov); 961 msg->msg_iovlen = m32.msg_iovlen; 962 msg->msg_control = PTRIN(m32.msg_control); 963 msg->msg_controllen = m32.msg_controllen; 964 msg->msg_flags = m32.msg_flags; 965 return (0); 966 } 967 968 static int 969 freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 970 { 971 struct msghdr32 m32; 972 int error; 973 974 m32.msg_name = PTROUT(msg->msg_name); 975 m32.msg_namelen = msg->msg_namelen; 976 m32.msg_iov = PTROUT(msg->msg_iov); 977 m32.msg_iovlen = msg->msg_iovlen; 978 m32.msg_control = PTROUT(msg->msg_control); 979 m32.msg_controllen = msg->msg_controllen; 980 m32.msg_flags = msg->msg_flags; 981 error = copyout(&m32, msg32, sizeof(m32)); 982 return (error); 983 } 984 985 #define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 986 #define FREEBSD32_ALIGN(p) \ 987 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 988 #define FREEBSD32_CMSG_SPACE(l) \ 989 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 990 991 #define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 992 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 993 static int 994 freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 995 { 996 struct cmsghdr *cm; 997 void *data; 998 socklen_t clen, datalen; 999 int error; 1000 caddr_t ctlbuf; 1001 int len, maxlen, copylen; 1002 struct mbuf *m; 1003 error = 0; 1004 1005 len = msg->msg_controllen; 1006 maxlen = msg->msg_controllen; 1007 msg->msg_controllen = 0; 1008 1009 m = control; 1010 ctlbuf = msg->msg_control; 1011 1012 while (m && len > 0) { 1013 cm = mtod(m, struct cmsghdr *); 1014 clen = m->m_len; 1015 1016 while (cm != NULL) { 1017 1018 if (sizeof(struct cmsghdr) > clen || 1019 cm->cmsg_len > clen) { 1020 error = EINVAL; 1021 break; 1022 } 1023 1024 data = CMSG_DATA(cm); 1025 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1026 1027 /* Adjust message length */ 1028 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 1029 datalen; 1030 1031 1032 /* Copy cmsghdr */ 1033 copylen = sizeof(struct cmsghdr); 1034 if (len < copylen) { 1035 msg->msg_flags |= MSG_CTRUNC; 1036 copylen = len; 1037 } 1038 1039 error = copyout(cm,ctlbuf,copylen); 1040 if (error) 1041 goto exit; 1042 1043 ctlbuf += FREEBSD32_ALIGN(copylen); 1044 len -= FREEBSD32_ALIGN(copylen); 1045 1046 if (len <= 0) 1047 break; 1048 1049 /* Copy data */ 1050 copylen = datalen; 1051 if (len < copylen) { 1052 msg->msg_flags |= MSG_CTRUNC; 1053 copylen = len; 1054 } 1055 1056 error = copyout(data,ctlbuf,copylen); 1057 if (error) 1058 goto exit; 1059 1060 ctlbuf += FREEBSD32_ALIGN(copylen); 1061 len -= FREEBSD32_ALIGN(copylen); 1062 1063 if (CMSG_SPACE(datalen) < clen) { 1064 clen -= CMSG_SPACE(datalen); 1065 cm = (struct cmsghdr *) 1066 ((caddr_t)cm + CMSG_SPACE(datalen)); 1067 } else { 1068 clen = 0; 1069 cm = NULL; 1070 } 1071 } 1072 m = m->m_next; 1073 } 1074 1075 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 1076 1077 exit: 1078 return (error); 1079 1080 } 1081 1082 int 1083 freebsd32_recvmsg(td, uap) 1084 struct thread *td; 1085 struct freebsd32_recvmsg_args /* { 1086 int s; 1087 struct msghdr32 *msg; 1088 int flags; 1089 } */ *uap; 1090 { 1091 struct msghdr msg; 1092 struct msghdr32 m32; 1093 struct iovec *uiov, *iov; 1094 struct mbuf *control = NULL; 1095 struct mbuf **controlp; 1096 1097 int error; 1098 error = copyin(uap->msg, &m32, sizeof(m32)); 1099 if (error) 1100 return (error); 1101 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1102 if (error) 1103 return (error); 1104 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1105 EMSGSIZE); 1106 if (error) 1107 return (error); 1108 msg.msg_flags = uap->flags; 1109 uiov = msg.msg_iov; 1110 msg.msg_iov = iov; 1111 1112 controlp = (msg.msg_control != NULL) ? &control : NULL; 1113 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1114 if (error == 0) { 1115 msg.msg_iov = uiov; 1116 1117 if (control != NULL) 1118 error = freebsd32_copy_msg_out(&msg, control); 1119 else 1120 msg.msg_controllen = 0; 1121 1122 if (error == 0) 1123 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1124 } 1125 free(iov, M_IOV); 1126 1127 if (control != NULL) 1128 m_freem(control); 1129 1130 return (error); 1131 } 1132 1133 1134 static int 1135 freebsd32_convert_msg_in(struct mbuf **controlp) 1136 { 1137 struct mbuf *control = *controlp; 1138 struct cmsghdr *cm = mtod(control, struct cmsghdr *); 1139 void *data; 1140 socklen_t clen = control->m_len, datalen; 1141 int error; 1142 1143 error = 0; 1144 *controlp = NULL; 1145 1146 while (cm != NULL) { 1147 if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) { 1148 error = EINVAL; 1149 break; 1150 } 1151 1152 data = FREEBSD32_CMSG_DATA(cm); 1153 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1154 1155 *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type, 1156 cm->cmsg_level); 1157 controlp = &(*controlp)->m_next; 1158 1159 if (FREEBSD32_CMSG_SPACE(datalen) < clen) { 1160 clen -= FREEBSD32_CMSG_SPACE(datalen); 1161 cm = (struct cmsghdr *) 1162 ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen)); 1163 } else { 1164 clen = 0; 1165 cm = NULL; 1166 } 1167 } 1168 1169 m_freem(control); 1170 return (error); 1171 } 1172 1173 1174 int 1175 freebsd32_sendmsg(struct thread *td, 1176 struct freebsd32_sendmsg_args *uap) 1177 { 1178 struct msghdr msg; 1179 struct msghdr32 m32; 1180 struct iovec *iov; 1181 struct mbuf *control = NULL; 1182 struct sockaddr *to = NULL; 1183 int error; 1184 1185 error = copyin(uap->msg, &m32, sizeof(m32)); 1186 if (error) 1187 return (error); 1188 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1189 if (error) 1190 return (error); 1191 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1192 EMSGSIZE); 1193 if (error) 1194 return (error); 1195 msg.msg_iov = iov; 1196 if (msg.msg_name != NULL) { 1197 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1198 if (error) { 1199 to = NULL; 1200 goto out; 1201 } 1202 msg.msg_name = to; 1203 } 1204 1205 if (msg.msg_control) { 1206 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1207 error = EINVAL; 1208 goto out; 1209 } 1210 1211 error = sockargs(&control, msg.msg_control, 1212 msg.msg_controllen, MT_CONTROL); 1213 if (error) 1214 goto out; 1215 1216 error = freebsd32_convert_msg_in(&control); 1217 if (error) 1218 goto out; 1219 } 1220 1221 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1222 UIO_USERSPACE); 1223 1224 out: 1225 free(iov, M_IOV); 1226 if (to) 1227 free(to, M_SONAME); 1228 return (error); 1229 } 1230 1231 int 1232 freebsd32_recvfrom(struct thread *td, 1233 struct freebsd32_recvfrom_args *uap) 1234 { 1235 struct msghdr msg; 1236 struct iovec aiov; 1237 int error; 1238 1239 if (uap->fromlenaddr) { 1240 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1241 sizeof(msg.msg_namelen)); 1242 if (error) 1243 return (error); 1244 } else { 1245 msg.msg_namelen = 0; 1246 } 1247 1248 msg.msg_name = PTRIN(uap->from); 1249 msg.msg_iov = &aiov; 1250 msg.msg_iovlen = 1; 1251 aiov.iov_base = PTRIN(uap->buf); 1252 aiov.iov_len = uap->len; 1253 msg.msg_control = NULL; 1254 msg.msg_flags = uap->flags; 1255 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1256 if (error == 0 && uap->fromlenaddr) 1257 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1258 sizeof (msg.msg_namelen)); 1259 return (error); 1260 } 1261 1262 int 1263 freebsd32_settimeofday(struct thread *td, 1264 struct freebsd32_settimeofday_args *uap) 1265 { 1266 struct timeval32 tv32; 1267 struct timeval tv, *tvp; 1268 struct timezone tz, *tzp; 1269 int error; 1270 1271 if (uap->tv) { 1272 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1273 if (error) 1274 return (error); 1275 CP(tv32, tv, tv_sec); 1276 CP(tv32, tv, tv_usec); 1277 tvp = &tv; 1278 } else 1279 tvp = NULL; 1280 if (uap->tzp) { 1281 error = copyin(uap->tzp, &tz, sizeof(tz)); 1282 if (error) 1283 return (error); 1284 tzp = &tz; 1285 } else 1286 tzp = NULL; 1287 return (kern_settimeofday(td, tvp, tzp)); 1288 } 1289 1290 int 1291 freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1292 { 1293 struct timeval32 s32[2]; 1294 struct timeval s[2], *sp; 1295 int error; 1296 1297 if (uap->tptr != NULL) { 1298 error = copyin(uap->tptr, s32, sizeof(s32)); 1299 if (error) 1300 return (error); 1301 CP(s32[0], s[0], tv_sec); 1302 CP(s32[0], s[0], tv_usec); 1303 CP(s32[1], s[1], tv_sec); 1304 CP(s32[1], s[1], tv_usec); 1305 sp = s; 1306 } else 1307 sp = NULL; 1308 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1309 } 1310 1311 int 1312 freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1313 { 1314 struct timeval32 s32[2]; 1315 struct timeval s[2], *sp; 1316 int error; 1317 1318 if (uap->tptr != NULL) { 1319 error = copyin(uap->tptr, s32, sizeof(s32)); 1320 if (error) 1321 return (error); 1322 CP(s32[0], s[0], tv_sec); 1323 CP(s32[0], s[0], tv_usec); 1324 CP(s32[1], s[1], tv_sec); 1325 CP(s32[1], s[1], tv_usec); 1326 sp = s; 1327 } else 1328 sp = NULL; 1329 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1330 } 1331 1332 int 1333 freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1334 { 1335 struct timeval32 s32[2]; 1336 struct timeval s[2], *sp; 1337 int error; 1338 1339 if (uap->tptr != NULL) { 1340 error = copyin(uap->tptr, s32, sizeof(s32)); 1341 if (error) 1342 return (error); 1343 CP(s32[0], s[0], tv_sec); 1344 CP(s32[0], s[0], tv_usec); 1345 CP(s32[1], s[1], tv_sec); 1346 CP(s32[1], s[1], tv_usec); 1347 sp = s; 1348 } else 1349 sp = NULL; 1350 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1351 } 1352 1353 int 1354 freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1355 { 1356 struct timeval32 s32[2]; 1357 struct timeval s[2], *sp; 1358 int error; 1359 1360 if (uap->times != NULL) { 1361 error = copyin(uap->times, s32, sizeof(s32)); 1362 if (error) 1363 return (error); 1364 CP(s32[0], s[0], tv_sec); 1365 CP(s32[0], s[0], tv_usec); 1366 CP(s32[1], s[1], tv_sec); 1367 CP(s32[1], s[1], tv_usec); 1368 sp = s; 1369 } else 1370 sp = NULL; 1371 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1372 sp, UIO_SYSSPACE)); 1373 } 1374 1375 int 1376 freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1377 { 1378 struct timeval32 tv32; 1379 struct timeval delta, olddelta, *deltap; 1380 int error; 1381 1382 if (uap->delta) { 1383 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1384 if (error) 1385 return (error); 1386 CP(tv32, delta, tv_sec); 1387 CP(tv32, delta, tv_usec); 1388 deltap = δ 1389 } else 1390 deltap = NULL; 1391 error = kern_adjtime(td, deltap, &olddelta); 1392 if (uap->olddelta && error == 0) { 1393 CP(olddelta, tv32, tv_sec); 1394 CP(olddelta, tv32, tv_usec); 1395 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1396 } 1397 return (error); 1398 } 1399 1400 #ifdef COMPAT_FREEBSD4 1401 int 1402 freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1403 { 1404 struct statfs32 s32; 1405 struct statfs s; 1406 int error; 1407 1408 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1409 if (error) 1410 return (error); 1411 copy_statfs(&s, &s32); 1412 return (copyout(&s32, uap->buf, sizeof(s32))); 1413 } 1414 #endif 1415 1416 #ifdef COMPAT_FREEBSD4 1417 int 1418 freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1419 { 1420 struct statfs32 s32; 1421 struct statfs s; 1422 int error; 1423 1424 error = kern_fstatfs(td, uap->fd, &s); 1425 if (error) 1426 return (error); 1427 copy_statfs(&s, &s32); 1428 return (copyout(&s32, uap->buf, sizeof(s32))); 1429 } 1430 #endif 1431 1432 #ifdef COMPAT_FREEBSD4 1433 int 1434 freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1435 { 1436 struct statfs32 s32; 1437 struct statfs s; 1438 fhandle_t fh; 1439 int error; 1440 1441 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1442 return (error); 1443 error = kern_fhstatfs(td, fh, &s); 1444 if (error) 1445 return (error); 1446 copy_statfs(&s, &s32); 1447 return (copyout(&s32, uap->buf, sizeof(s32))); 1448 } 1449 #endif 1450 1451 int 1452 freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1453 { 1454 struct pread_args ap; 1455 1456 ap.fd = uap->fd; 1457 ap.buf = uap->buf; 1458 ap.nbyte = uap->nbyte; 1459 ap.offset = PAIR32TO64(off_t,uap->offset); 1460 return (sys_pread(td, &ap)); 1461 } 1462 1463 int 1464 freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1465 { 1466 struct pwrite_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_pwrite(td, &ap)); 1473 } 1474 1475 #ifdef COMPAT_43 1476 int 1477 ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap) 1478 { 1479 struct lseek_args nuap; 1480 1481 nuap.fd = uap->fd; 1482 nuap.offset = uap->offset; 1483 nuap.whence = uap->whence; 1484 return (sys_lseek(td, &nuap)); 1485 } 1486 #endif 1487 1488 int 1489 freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1490 { 1491 int error; 1492 struct lseek_args ap; 1493 off_t pos; 1494 1495 ap.fd = uap->fd; 1496 ap.offset = PAIR32TO64(off_t,uap->offset); 1497 ap.whence = uap->whence; 1498 error = sys_lseek(td, &ap); 1499 /* Expand the quad return into two parts for eax and edx */ 1500 pos = *(off_t *)(td->td_retval); 1501 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1502 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1503 return error; 1504 } 1505 1506 int 1507 freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1508 { 1509 struct truncate_args ap; 1510 1511 ap.path = uap->path; 1512 ap.length = PAIR32TO64(off_t,uap->length); 1513 return (sys_truncate(td, &ap)); 1514 } 1515 1516 int 1517 freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1518 { 1519 struct ftruncate_args ap; 1520 1521 ap.fd = uap->fd; 1522 ap.length = PAIR32TO64(off_t,uap->length); 1523 return (sys_ftruncate(td, &ap)); 1524 } 1525 1526 #ifdef COMPAT_43 1527 int 1528 ofreebsd32_getdirentries(struct thread *td, 1529 struct ofreebsd32_getdirentries_args *uap) 1530 { 1531 struct ogetdirentries_args ap; 1532 int error; 1533 long loff; 1534 int32_t loff_cut; 1535 1536 ap.fd = uap->fd; 1537 ap.buf = uap->buf; 1538 ap.count = uap->count; 1539 ap.basep = NULL; 1540 error = kern_ogetdirentries(td, &ap, &loff); 1541 if (error == 0) { 1542 loff_cut = loff; 1543 error = copyout(&loff_cut, uap->basep, sizeof(int32_t)); 1544 } 1545 return (error); 1546 } 1547 #endif 1548 1549 int 1550 freebsd32_getdirentries(struct thread *td, 1551 struct freebsd32_getdirentries_args *uap) 1552 { 1553 long base; 1554 int32_t base32; 1555 int error; 1556 1557 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base); 1558 if (error) 1559 return (error); 1560 if (uap->basep != NULL) { 1561 base32 = base; 1562 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1563 } 1564 return (error); 1565 } 1566 1567 #ifdef COMPAT_FREEBSD6 1568 /* versions with the 'int pad' argument */ 1569 int 1570 freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1571 { 1572 struct pread_args ap; 1573 1574 ap.fd = uap->fd; 1575 ap.buf = uap->buf; 1576 ap.nbyte = uap->nbyte; 1577 ap.offset = PAIR32TO64(off_t,uap->offset); 1578 return (sys_pread(td, &ap)); 1579 } 1580 1581 int 1582 freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1583 { 1584 struct pwrite_args ap; 1585 1586 ap.fd = uap->fd; 1587 ap.buf = uap->buf; 1588 ap.nbyte = uap->nbyte; 1589 ap.offset = PAIR32TO64(off_t,uap->offset); 1590 return (sys_pwrite(td, &ap)); 1591 } 1592 1593 int 1594 freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1595 { 1596 int error; 1597 struct lseek_args ap; 1598 off_t pos; 1599 1600 ap.fd = uap->fd; 1601 ap.offset = PAIR32TO64(off_t,uap->offset); 1602 ap.whence = uap->whence; 1603 error = sys_lseek(td, &ap); 1604 /* Expand the quad return into two parts for eax and edx */ 1605 pos = *(off_t *)(td->td_retval); 1606 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1607 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1608 return error; 1609 } 1610 1611 int 1612 freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1613 { 1614 struct truncate_args ap; 1615 1616 ap.path = uap->path; 1617 ap.length = PAIR32TO64(off_t,uap->length); 1618 return (sys_truncate(td, &ap)); 1619 } 1620 1621 int 1622 freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1623 { 1624 struct ftruncate_args ap; 1625 1626 ap.fd = uap->fd; 1627 ap.length = PAIR32TO64(off_t,uap->length); 1628 return (sys_ftruncate(td, &ap)); 1629 } 1630 #endif /* COMPAT_FREEBSD6 */ 1631 1632 struct sf_hdtr32 { 1633 uint32_t headers; 1634 int hdr_cnt; 1635 uint32_t trailers; 1636 int trl_cnt; 1637 }; 1638 1639 static int 1640 freebsd32_do_sendfile(struct thread *td, 1641 struct freebsd32_sendfile_args *uap, int compat) 1642 { 1643 struct sendfile_args ap; 1644 struct sf_hdtr32 hdtr32; 1645 struct sf_hdtr hdtr; 1646 struct uio *hdr_uio, *trl_uio; 1647 struct iovec32 *iov32; 1648 int error; 1649 1650 hdr_uio = trl_uio = NULL; 1651 1652 ap.fd = uap->fd; 1653 ap.s = uap->s; 1654 ap.offset = PAIR32TO64(off_t,uap->offset); 1655 ap.nbytes = uap->nbytes; 1656 ap.hdtr = (struct sf_hdtr *)uap->hdtr; /* XXX not used */ 1657 ap.sbytes = uap->sbytes; 1658 ap.flags = uap->flags; 1659 1660 if (uap->hdtr != NULL) { 1661 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1662 if (error) 1663 goto out; 1664 PTRIN_CP(hdtr32, hdtr, headers); 1665 CP(hdtr32, hdtr, hdr_cnt); 1666 PTRIN_CP(hdtr32, hdtr, trailers); 1667 CP(hdtr32, hdtr, trl_cnt); 1668 1669 if (hdtr.headers != NULL) { 1670 iov32 = PTRIN(hdtr32.headers); 1671 error = freebsd32_copyinuio(iov32, 1672 hdtr32.hdr_cnt, &hdr_uio); 1673 if (error) 1674 goto out; 1675 } 1676 if (hdtr.trailers != NULL) { 1677 iov32 = PTRIN(hdtr32.trailers); 1678 error = freebsd32_copyinuio(iov32, 1679 hdtr32.trl_cnt, &trl_uio); 1680 if (error) 1681 goto out; 1682 } 1683 } 1684 1685 error = kern_sendfile(td, &ap, hdr_uio, trl_uio, compat); 1686 out: 1687 if (hdr_uio) 1688 free(hdr_uio, M_IOV); 1689 if (trl_uio) 1690 free(trl_uio, M_IOV); 1691 return (error); 1692 } 1693 1694 #ifdef COMPAT_FREEBSD4 1695 int 1696 freebsd4_freebsd32_sendfile(struct thread *td, 1697 struct freebsd4_freebsd32_sendfile_args *uap) 1698 { 1699 return (freebsd32_do_sendfile(td, 1700 (struct freebsd32_sendfile_args *)uap, 1)); 1701 } 1702 #endif 1703 1704 int 1705 freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1706 { 1707 1708 return (freebsd32_do_sendfile(td, uap, 0)); 1709 } 1710 1711 static void 1712 copy_stat(struct stat *in, struct stat32 *out) 1713 { 1714 1715 CP(*in, *out, st_dev); 1716 CP(*in, *out, st_ino); 1717 CP(*in, *out, st_mode); 1718 CP(*in, *out, st_nlink); 1719 CP(*in, *out, st_uid); 1720 CP(*in, *out, st_gid); 1721 CP(*in, *out, st_rdev); 1722 TS_CP(*in, *out, st_atim); 1723 TS_CP(*in, *out, st_mtim); 1724 TS_CP(*in, *out, st_ctim); 1725 CP(*in, *out, st_size); 1726 CP(*in, *out, st_blocks); 1727 CP(*in, *out, st_blksize); 1728 CP(*in, *out, st_flags); 1729 CP(*in, *out, st_gen); 1730 TS_CP(*in, *out, st_birthtim); 1731 } 1732 1733 #ifdef COMPAT_43 1734 static void 1735 copy_ostat(struct stat *in, struct ostat32 *out) 1736 { 1737 1738 CP(*in, *out, st_dev); 1739 CP(*in, *out, st_ino); 1740 CP(*in, *out, st_mode); 1741 CP(*in, *out, st_nlink); 1742 CP(*in, *out, st_uid); 1743 CP(*in, *out, st_gid); 1744 CP(*in, *out, st_rdev); 1745 CP(*in, *out, st_size); 1746 TS_CP(*in, *out, st_atim); 1747 TS_CP(*in, *out, st_mtim); 1748 TS_CP(*in, *out, st_ctim); 1749 CP(*in, *out, st_blksize); 1750 CP(*in, *out, st_blocks); 1751 CP(*in, *out, st_flags); 1752 CP(*in, *out, st_gen); 1753 } 1754 #endif 1755 1756 int 1757 freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1758 { 1759 struct stat sb; 1760 struct stat32 sb32; 1761 int error; 1762 1763 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1764 if (error) 1765 return (error); 1766 copy_stat(&sb, &sb32); 1767 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1768 return (error); 1769 } 1770 1771 #ifdef COMPAT_43 1772 int 1773 ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap) 1774 { 1775 struct stat sb; 1776 struct ostat32 sb32; 1777 int error; 1778 1779 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1780 if (error) 1781 return (error); 1782 copy_ostat(&sb, &sb32); 1783 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1784 return (error); 1785 } 1786 #endif 1787 1788 int 1789 freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1790 { 1791 struct stat ub; 1792 struct stat32 ub32; 1793 int error; 1794 1795 error = kern_fstat(td, uap->fd, &ub); 1796 if (error) 1797 return (error); 1798 copy_stat(&ub, &ub32); 1799 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1800 return (error); 1801 } 1802 1803 #ifdef COMPAT_43 1804 int 1805 ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap) 1806 { 1807 struct stat ub; 1808 struct ostat32 ub32; 1809 int error; 1810 1811 error = kern_fstat(td, uap->fd, &ub); 1812 if (error) 1813 return (error); 1814 copy_ostat(&ub, &ub32); 1815 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1816 return (error); 1817 } 1818 #endif 1819 1820 int 1821 freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 1822 { 1823 struct stat ub; 1824 struct stat32 ub32; 1825 int error; 1826 1827 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub); 1828 if (error) 1829 return (error); 1830 copy_stat(&ub, &ub32); 1831 error = copyout(&ub32, uap->buf, sizeof(ub32)); 1832 return (error); 1833 } 1834 1835 int 1836 freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1837 { 1838 struct stat sb; 1839 struct stat32 sb32; 1840 int error; 1841 1842 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1843 if (error) 1844 return (error); 1845 copy_stat(&sb, &sb32); 1846 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1847 return (error); 1848 } 1849 1850 #ifdef COMPAT_43 1851 int 1852 ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap) 1853 { 1854 struct stat sb; 1855 struct ostat32 sb32; 1856 int error; 1857 1858 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1859 if (error) 1860 return (error); 1861 copy_ostat(&sb, &sb32); 1862 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1863 return (error); 1864 } 1865 #endif 1866 1867 int 1868 freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1869 { 1870 int error, name[CTL_MAXNAME]; 1871 size_t j, oldlen; 1872 1873 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1874 return (EINVAL); 1875 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1876 if (error) 1877 return (error); 1878 if (uap->oldlenp) 1879 oldlen = fuword32(uap->oldlenp); 1880 else 1881 oldlen = 0; 1882 error = userland_sysctl(td, name, uap->namelen, 1883 uap->old, &oldlen, 1, 1884 uap->new, uap->newlen, &j, SCTL_MASK32); 1885 if (error && error != ENOMEM) 1886 return (error); 1887 if (uap->oldlenp) 1888 suword32(uap->oldlenp, j); 1889 return (0); 1890 } 1891 1892 int 1893 freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 1894 { 1895 uint32_t version; 1896 int error; 1897 struct jail j; 1898 1899 error = copyin(uap->jail, &version, sizeof(uint32_t)); 1900 if (error) 1901 return (error); 1902 1903 switch (version) { 1904 case 0: 1905 { 1906 /* FreeBSD single IPv4 jails. */ 1907 struct jail32_v0 j32_v0; 1908 1909 bzero(&j, sizeof(struct jail)); 1910 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 1911 if (error) 1912 return (error); 1913 CP(j32_v0, j, version); 1914 PTRIN_CP(j32_v0, j, path); 1915 PTRIN_CP(j32_v0, j, hostname); 1916 j.ip4s = j32_v0.ip_number; 1917 break; 1918 } 1919 1920 case 1: 1921 /* 1922 * Version 1 was used by multi-IPv4 jail implementations 1923 * that never made it into the official kernel. 1924 */ 1925 return (EINVAL); 1926 1927 case 2: /* JAIL_API_VERSION */ 1928 { 1929 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 1930 struct jail32 j32; 1931 1932 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 1933 if (error) 1934 return (error); 1935 CP(j32, j, version); 1936 PTRIN_CP(j32, j, path); 1937 PTRIN_CP(j32, j, hostname); 1938 PTRIN_CP(j32, j, jailname); 1939 CP(j32, j, ip4s); 1940 CP(j32, j, ip6s); 1941 PTRIN_CP(j32, j, ip4); 1942 PTRIN_CP(j32, j, ip6); 1943 break; 1944 } 1945 1946 default: 1947 /* Sci-Fi jails are not supported, sorry. */ 1948 return (EINVAL); 1949 } 1950 return (kern_jail(td, &j)); 1951 } 1952 1953 int 1954 freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 1955 { 1956 struct uio *auio; 1957 int error; 1958 1959 /* Check that we have an even number of iovecs. */ 1960 if (uap->iovcnt & 1) 1961 return (EINVAL); 1962 1963 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1964 if (error) 1965 return (error); 1966 error = kern_jail_set(td, auio, uap->flags); 1967 free(auio, M_IOV); 1968 return (error); 1969 } 1970 1971 int 1972 freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 1973 { 1974 struct iovec32 iov32; 1975 struct uio *auio; 1976 int error, i; 1977 1978 /* Check that we have an even number of iovecs. */ 1979 if (uap->iovcnt & 1) 1980 return (EINVAL); 1981 1982 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1983 if (error) 1984 return (error); 1985 error = kern_jail_get(td, auio, uap->flags); 1986 if (error == 0) 1987 for (i = 0; i < uap->iovcnt; i++) { 1988 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 1989 CP(auio->uio_iov[i], iov32, iov_len); 1990 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 1991 if (error != 0) 1992 break; 1993 } 1994 free(auio, M_IOV); 1995 return (error); 1996 } 1997 1998 int 1999 freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2000 { 2001 struct sigaction32 s32; 2002 struct sigaction sa, osa, *sap; 2003 int error; 2004 2005 if (uap->act) { 2006 error = copyin(uap->act, &s32, sizeof(s32)); 2007 if (error) 2008 return (error); 2009 sa.sa_handler = PTRIN(s32.sa_u); 2010 CP(s32, sa, sa_flags); 2011 CP(s32, sa, sa_mask); 2012 sap = &sa; 2013 } else 2014 sap = NULL; 2015 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2016 if (error == 0 && uap->oact != NULL) { 2017 s32.sa_u = PTROUT(osa.sa_handler); 2018 CP(osa, s32, sa_flags); 2019 CP(osa, s32, sa_mask); 2020 error = copyout(&s32, uap->oact, sizeof(s32)); 2021 } 2022 return (error); 2023 } 2024 2025 #ifdef COMPAT_FREEBSD4 2026 int 2027 freebsd4_freebsd32_sigaction(struct thread *td, 2028 struct freebsd4_freebsd32_sigaction_args *uap) 2029 { 2030 struct sigaction32 s32; 2031 struct sigaction sa, osa, *sap; 2032 int error; 2033 2034 if (uap->act) { 2035 error = copyin(uap->act, &s32, sizeof(s32)); 2036 if (error) 2037 return (error); 2038 sa.sa_handler = PTRIN(s32.sa_u); 2039 CP(s32, sa, sa_flags); 2040 CP(s32, sa, sa_mask); 2041 sap = &sa; 2042 } else 2043 sap = NULL; 2044 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2045 if (error == 0 && uap->oact != NULL) { 2046 s32.sa_u = PTROUT(osa.sa_handler); 2047 CP(osa, s32, sa_flags); 2048 CP(osa, s32, sa_mask); 2049 error = copyout(&s32, uap->oact, sizeof(s32)); 2050 } 2051 return (error); 2052 } 2053 #endif 2054 2055 #ifdef COMPAT_43 2056 struct osigaction32 { 2057 u_int32_t sa_u; 2058 osigset_t sa_mask; 2059 int sa_flags; 2060 }; 2061 2062 #define ONSIG 32 2063 2064 int 2065 ofreebsd32_sigaction(struct thread *td, 2066 struct ofreebsd32_sigaction_args *uap) 2067 { 2068 struct osigaction32 s32; 2069 struct sigaction sa, osa, *sap; 2070 int error; 2071 2072 if (uap->signum <= 0 || uap->signum >= ONSIG) 2073 return (EINVAL); 2074 2075 if (uap->nsa) { 2076 error = copyin(uap->nsa, &s32, sizeof(s32)); 2077 if (error) 2078 return (error); 2079 sa.sa_handler = PTRIN(s32.sa_u); 2080 CP(s32, sa, sa_flags); 2081 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2082 sap = &sa; 2083 } else 2084 sap = NULL; 2085 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2086 if (error == 0 && uap->osa != NULL) { 2087 s32.sa_u = PTROUT(osa.sa_handler); 2088 CP(osa, s32, sa_flags); 2089 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2090 error = copyout(&s32, uap->osa, sizeof(s32)); 2091 } 2092 return (error); 2093 } 2094 2095 int 2096 ofreebsd32_sigprocmask(struct thread *td, 2097 struct ofreebsd32_sigprocmask_args *uap) 2098 { 2099 sigset_t set, oset; 2100 int error; 2101 2102 OSIG2SIG(uap->mask, set); 2103 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2104 SIG2OSIG(oset, td->td_retval[0]); 2105 return (error); 2106 } 2107 2108 int 2109 ofreebsd32_sigpending(struct thread *td, 2110 struct ofreebsd32_sigpending_args *uap) 2111 { 2112 struct proc *p = td->td_proc; 2113 sigset_t siglist; 2114 2115 PROC_LOCK(p); 2116 siglist = p->p_siglist; 2117 SIGSETOR(siglist, td->td_siglist); 2118 PROC_UNLOCK(p); 2119 SIG2OSIG(siglist, td->td_retval[0]); 2120 return (0); 2121 } 2122 2123 struct sigvec32 { 2124 u_int32_t sv_handler; 2125 int sv_mask; 2126 int sv_flags; 2127 }; 2128 2129 int 2130 ofreebsd32_sigvec(struct thread *td, 2131 struct ofreebsd32_sigvec_args *uap) 2132 { 2133 struct sigvec32 vec; 2134 struct sigaction sa, osa, *sap; 2135 int error; 2136 2137 if (uap->signum <= 0 || uap->signum >= ONSIG) 2138 return (EINVAL); 2139 2140 if (uap->nsv) { 2141 error = copyin(uap->nsv, &vec, sizeof(vec)); 2142 if (error) 2143 return (error); 2144 sa.sa_handler = PTRIN(vec.sv_handler); 2145 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2146 sa.sa_flags = vec.sv_flags; 2147 sa.sa_flags ^= SA_RESTART; 2148 sap = &sa; 2149 } else 2150 sap = NULL; 2151 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2152 if (error == 0 && uap->osv != NULL) { 2153 vec.sv_handler = PTROUT(osa.sa_handler); 2154 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2155 vec.sv_flags = osa.sa_flags; 2156 vec.sv_flags &= ~SA_NOCLDWAIT; 2157 vec.sv_flags ^= SA_RESTART; 2158 error = copyout(&vec, uap->osv, sizeof(vec)); 2159 } 2160 return (error); 2161 } 2162 2163 int 2164 ofreebsd32_sigblock(struct thread *td, 2165 struct ofreebsd32_sigblock_args *uap) 2166 { 2167 sigset_t set, oset; 2168 2169 OSIG2SIG(uap->mask, set); 2170 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2171 SIG2OSIG(oset, td->td_retval[0]); 2172 return (0); 2173 } 2174 2175 int 2176 ofreebsd32_sigsetmask(struct thread *td, 2177 struct ofreebsd32_sigsetmask_args *uap) 2178 { 2179 sigset_t set, oset; 2180 2181 OSIG2SIG(uap->mask, set); 2182 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2183 SIG2OSIG(oset, td->td_retval[0]); 2184 return (0); 2185 } 2186 2187 int 2188 ofreebsd32_sigsuspend(struct thread *td, 2189 struct ofreebsd32_sigsuspend_args *uap) 2190 { 2191 sigset_t mask; 2192 2193 OSIG2SIG(uap->mask, mask); 2194 return (kern_sigsuspend(td, mask)); 2195 } 2196 2197 struct sigstack32 { 2198 u_int32_t ss_sp; 2199 int ss_onstack; 2200 }; 2201 2202 int 2203 ofreebsd32_sigstack(struct thread *td, 2204 struct ofreebsd32_sigstack_args *uap) 2205 { 2206 struct sigstack32 s32; 2207 struct sigstack nss, oss; 2208 int error = 0, unss; 2209 2210 if (uap->nss != NULL) { 2211 error = copyin(uap->nss, &s32, sizeof(s32)); 2212 if (error) 2213 return (error); 2214 nss.ss_sp = PTRIN(s32.ss_sp); 2215 CP(s32, nss, ss_onstack); 2216 unss = 1; 2217 } else { 2218 unss = 0; 2219 } 2220 oss.ss_sp = td->td_sigstk.ss_sp; 2221 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2222 if (unss) { 2223 td->td_sigstk.ss_sp = nss.ss_sp; 2224 td->td_sigstk.ss_size = 0; 2225 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2226 td->td_pflags |= TDP_ALTSTACK; 2227 } 2228 if (uap->oss != NULL) { 2229 s32.ss_sp = PTROUT(oss.ss_sp); 2230 CP(oss, s32, ss_onstack); 2231 error = copyout(&s32, uap->oss, sizeof(s32)); 2232 } 2233 return (error); 2234 } 2235 #endif 2236 2237 int 2238 freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2239 { 2240 struct timespec32 rmt32, rqt32; 2241 struct timespec rmt, rqt; 2242 int error; 2243 2244 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2245 if (error) 2246 return (error); 2247 2248 CP(rqt32, rqt, tv_sec); 2249 CP(rqt32, rqt, tv_nsec); 2250 2251 if (uap->rmtp && 2252 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2253 return (EFAULT); 2254 error = kern_nanosleep(td, &rqt, &rmt); 2255 if (error && uap->rmtp) { 2256 int error2; 2257 2258 CP(rmt, rmt32, tv_sec); 2259 CP(rmt, rmt32, tv_nsec); 2260 2261 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2262 if (error2) 2263 error = error2; 2264 } 2265 return (error); 2266 } 2267 2268 int 2269 freebsd32_clock_gettime(struct thread *td, 2270 struct freebsd32_clock_gettime_args *uap) 2271 { 2272 struct timespec ats; 2273 struct timespec32 ats32; 2274 int error; 2275 2276 error = kern_clock_gettime(td, uap->clock_id, &ats); 2277 if (error == 0) { 2278 CP(ats, ats32, tv_sec); 2279 CP(ats, ats32, tv_nsec); 2280 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2281 } 2282 return (error); 2283 } 2284 2285 int 2286 freebsd32_clock_settime(struct thread *td, 2287 struct freebsd32_clock_settime_args *uap) 2288 { 2289 struct timespec ats; 2290 struct timespec32 ats32; 2291 int error; 2292 2293 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2294 if (error) 2295 return (error); 2296 CP(ats32, ats, tv_sec); 2297 CP(ats32, ats, tv_nsec); 2298 2299 return (kern_clock_settime(td, uap->clock_id, &ats)); 2300 } 2301 2302 int 2303 freebsd32_clock_getres(struct thread *td, 2304 struct freebsd32_clock_getres_args *uap) 2305 { 2306 struct timespec ts; 2307 struct timespec32 ts32; 2308 int error; 2309 2310 if (uap->tp == NULL) 2311 return (0); 2312 error = kern_clock_getres(td, uap->clock_id, &ts); 2313 if (error == 0) { 2314 CP(ts, ts32, tv_sec); 2315 CP(ts, ts32, tv_nsec); 2316 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2317 } 2318 return (error); 2319 } 2320 2321 int 2322 freebsd32_thr_new(struct thread *td, 2323 struct freebsd32_thr_new_args *uap) 2324 { 2325 struct thr_param32 param32; 2326 struct thr_param param; 2327 int error; 2328 2329 if (uap->param_size < 0 || 2330 uap->param_size > sizeof(struct thr_param32)) 2331 return (EINVAL); 2332 bzero(¶m, sizeof(struct thr_param)); 2333 bzero(¶m32, sizeof(struct thr_param32)); 2334 error = copyin(uap->param, ¶m32, uap->param_size); 2335 if (error != 0) 2336 return (error); 2337 param.start_func = PTRIN(param32.start_func); 2338 param.arg = PTRIN(param32.arg); 2339 param.stack_base = PTRIN(param32.stack_base); 2340 param.stack_size = param32.stack_size; 2341 param.tls_base = PTRIN(param32.tls_base); 2342 param.tls_size = param32.tls_size; 2343 param.child_tid = PTRIN(param32.child_tid); 2344 param.parent_tid = PTRIN(param32.parent_tid); 2345 param.flags = param32.flags; 2346 param.rtp = PTRIN(param32.rtp); 2347 param.spare[0] = PTRIN(param32.spare[0]); 2348 param.spare[1] = PTRIN(param32.spare[1]); 2349 param.spare[2] = PTRIN(param32.spare[2]); 2350 2351 return (kern_thr_new(td, ¶m)); 2352 } 2353 2354 int 2355 freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2356 { 2357 struct timespec32 ts32; 2358 struct timespec ts, *tsp; 2359 int error; 2360 2361 error = 0; 2362 tsp = NULL; 2363 if (uap->timeout != NULL) { 2364 error = copyin((const void *)uap->timeout, (void *)&ts32, 2365 sizeof(struct timespec32)); 2366 if (error != 0) 2367 return (error); 2368 ts.tv_sec = ts32.tv_sec; 2369 ts.tv_nsec = ts32.tv_nsec; 2370 tsp = &ts; 2371 } 2372 return (kern_thr_suspend(td, tsp)); 2373 } 2374 2375 void 2376 siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2377 { 2378 bzero(dst, sizeof(*dst)); 2379 dst->si_signo = src->si_signo; 2380 dst->si_errno = src->si_errno; 2381 dst->si_code = src->si_code; 2382 dst->si_pid = src->si_pid; 2383 dst->si_uid = src->si_uid; 2384 dst->si_status = src->si_status; 2385 dst->si_addr = (uintptr_t)src->si_addr; 2386 dst->si_value.sigval_int = src->si_value.sival_int; 2387 dst->si_timerid = src->si_timerid; 2388 dst->si_overrun = src->si_overrun; 2389 } 2390 2391 int 2392 freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2393 { 2394 struct timespec32 ts32; 2395 struct timespec ts; 2396 struct timespec *timeout; 2397 sigset_t set; 2398 ksiginfo_t ksi; 2399 struct siginfo32 si32; 2400 int error; 2401 2402 if (uap->timeout) { 2403 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2404 if (error) 2405 return (error); 2406 ts.tv_sec = ts32.tv_sec; 2407 ts.tv_nsec = ts32.tv_nsec; 2408 timeout = &ts; 2409 } else 2410 timeout = NULL; 2411 2412 error = copyin(uap->set, &set, sizeof(set)); 2413 if (error) 2414 return (error); 2415 2416 error = kern_sigtimedwait(td, set, &ksi, timeout); 2417 if (error) 2418 return (error); 2419 2420 if (uap->info) { 2421 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2422 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2423 } 2424 2425 if (error == 0) 2426 td->td_retval[0] = ksi.ksi_signo; 2427 return (error); 2428 } 2429 2430 /* 2431 * MPSAFE 2432 */ 2433 int 2434 freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2435 { 2436 ksiginfo_t ksi; 2437 struct siginfo32 si32; 2438 sigset_t set; 2439 int error; 2440 2441 error = copyin(uap->set, &set, sizeof(set)); 2442 if (error) 2443 return (error); 2444 2445 error = kern_sigtimedwait(td, set, &ksi, NULL); 2446 if (error) 2447 return (error); 2448 2449 if (uap->info) { 2450 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2451 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2452 } 2453 if (error == 0) 2454 td->td_retval[0] = ksi.ksi_signo; 2455 return (error); 2456 } 2457 2458 int 2459 freebsd32_cpuset_setid(struct thread *td, 2460 struct freebsd32_cpuset_setid_args *uap) 2461 { 2462 struct cpuset_setid_args ap; 2463 2464 ap.which = uap->which; 2465 ap.id = PAIR32TO64(id_t,uap->id); 2466 ap.setid = uap->setid; 2467 2468 return (sys_cpuset_setid(td, &ap)); 2469 } 2470 2471 int 2472 freebsd32_cpuset_getid(struct thread *td, 2473 struct freebsd32_cpuset_getid_args *uap) 2474 { 2475 struct cpuset_getid_args ap; 2476 2477 ap.level = uap->level; 2478 ap.which = uap->which; 2479 ap.id = PAIR32TO64(id_t,uap->id); 2480 ap.setid = uap->setid; 2481 2482 return (sys_cpuset_getid(td, &ap)); 2483 } 2484 2485 int 2486 freebsd32_cpuset_getaffinity(struct thread *td, 2487 struct freebsd32_cpuset_getaffinity_args *uap) 2488 { 2489 struct cpuset_getaffinity_args ap; 2490 2491 ap.level = uap->level; 2492 ap.which = uap->which; 2493 ap.id = PAIR32TO64(id_t,uap->id); 2494 ap.cpusetsize = uap->cpusetsize; 2495 ap.mask = uap->mask; 2496 2497 return (sys_cpuset_getaffinity(td, &ap)); 2498 } 2499 2500 int 2501 freebsd32_cpuset_setaffinity(struct thread *td, 2502 struct freebsd32_cpuset_setaffinity_args *uap) 2503 { 2504 struct cpuset_setaffinity_args ap; 2505 2506 ap.level = uap->level; 2507 ap.which = uap->which; 2508 ap.id = PAIR32TO64(id_t,uap->id); 2509 ap.cpusetsize = uap->cpusetsize; 2510 ap.mask = uap->mask; 2511 2512 return (sys_cpuset_setaffinity(td, &ap)); 2513 } 2514 2515 int 2516 freebsd32_nmount(struct thread *td, 2517 struct freebsd32_nmount_args /* { 2518 struct iovec *iovp; 2519 unsigned int iovcnt; 2520 int flags; 2521 } */ *uap) 2522 { 2523 struct uio *auio; 2524 uint64_t flags; 2525 int error; 2526 2527 /* 2528 * Mount flags are now 64-bits. On 32-bit archtectures only 2529 * 32-bits are passed in, but from here on everything handles 2530 * 64-bit flags correctly. 2531 */ 2532 flags = uap->flags; 2533 2534 AUDIT_ARG_FFLAGS(flags); 2535 2536 /* 2537 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2538 * userspace to set this flag, but we must filter it out if we want 2539 * MNT_UPDATE on the root file system to work. 2540 * MNT_ROOTFS should only be set by the kernel when mounting its 2541 * root file system. 2542 */ 2543 flags &= ~MNT_ROOTFS; 2544 2545 /* 2546 * check that we have an even number of iovec's 2547 * and that we have at least two options. 2548 */ 2549 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2550 return (EINVAL); 2551 2552 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2553 if (error) 2554 return (error); 2555 error = vfs_donmount(td, flags, auio); 2556 2557 free(auio, M_IOV); 2558 return error; 2559 } 2560 2561 #if 0 2562 int 2563 freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2564 { 2565 struct yyy32 *p32, s32; 2566 struct yyy *p = NULL, s; 2567 struct xxx_arg ap; 2568 int error; 2569 2570 if (uap->zzz) { 2571 error = copyin(uap->zzz, &s32, sizeof(s32)); 2572 if (error) 2573 return (error); 2574 /* translate in */ 2575 p = &s; 2576 } 2577 error = kern_xxx(td, p); 2578 if (error) 2579 return (error); 2580 if (uap->zzz) { 2581 /* translate out */ 2582 error = copyout(&s32, p32, sizeof(s32)); 2583 } 2584 return (error); 2585 } 2586 #endif 2587 2588 int 2589 syscall32_register(int *offset, struct sysent *new_sysent, 2590 struct sysent *old_sysent) 2591 { 2592 if (*offset == NO_SYSCALL) { 2593 int i; 2594 2595 for (i = 1; i < SYS_MAXSYSCALL; ++i) 2596 if (freebsd32_sysent[i].sy_call == 2597 (sy_call_t *)lkmnosys) 2598 break; 2599 if (i == SYS_MAXSYSCALL) 2600 return (ENFILE); 2601 *offset = i; 2602 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2603 return (EINVAL); 2604 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2605 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2606 return (EEXIST); 2607 2608 *old_sysent = freebsd32_sysent[*offset]; 2609 freebsd32_sysent[*offset] = *new_sysent; 2610 return 0; 2611 } 2612 2613 int 2614 syscall32_deregister(int *offset, struct sysent *old_sysent) 2615 { 2616 2617 if (*offset) 2618 freebsd32_sysent[*offset] = *old_sysent; 2619 return 0; 2620 } 2621 2622 int 2623 syscall32_module_handler(struct module *mod, int what, void *arg) 2624 { 2625 struct syscall_module_data *data = (struct syscall_module_data*)arg; 2626 modspecific_t ms; 2627 int error; 2628 2629 switch (what) { 2630 case MOD_LOAD: 2631 error = syscall32_register(data->offset, data->new_sysent, 2632 &data->old_sysent); 2633 if (error) { 2634 /* Leave a mark so we know to safely unload below. */ 2635 data->offset = NULL; 2636 return error; 2637 } 2638 ms.intval = *data->offset; 2639 MOD_XLOCK; 2640 module_setspecific(mod, &ms); 2641 MOD_XUNLOCK; 2642 if (data->chainevh) 2643 error = data->chainevh(mod, what, data->chainarg); 2644 return (error); 2645 case MOD_UNLOAD: 2646 /* 2647 * MOD_LOAD failed, so just return without calling the 2648 * chained handler since we didn't pass along the MOD_LOAD 2649 * event. 2650 */ 2651 if (data->offset == NULL) 2652 return (0); 2653 if (data->chainevh) { 2654 error = data->chainevh(mod, what, data->chainarg); 2655 if (error) 2656 return (error); 2657 } 2658 error = syscall32_deregister(data->offset, &data->old_sysent); 2659 return (error); 2660 default: 2661 error = EOPNOTSUPP; 2662 if (data->chainevh) 2663 error = data->chainevh(mod, what, data->chainarg); 2664 return (error); 2665 } 2666 } 2667 2668 int 2669 syscall32_helper_register(struct syscall_helper_data *sd) 2670 { 2671 struct syscall_helper_data *sd1; 2672 int error; 2673 2674 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) { 2675 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent, 2676 &sd1->old_sysent); 2677 if (error != 0) { 2678 syscall32_helper_unregister(sd); 2679 return (error); 2680 } 2681 sd1->registered = 1; 2682 } 2683 return (0); 2684 } 2685 2686 int 2687 syscall32_helper_unregister(struct syscall_helper_data *sd) 2688 { 2689 struct syscall_helper_data *sd1; 2690 2691 for (sd1 = sd; sd1->registered != 0; sd1++) { 2692 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent); 2693 sd1->registered = 0; 2694 } 2695 return (0); 2696 } 2697 2698 register_t * 2699 freebsd32_copyout_strings(struct image_params *imgp) 2700 { 2701 int argc, envc, i; 2702 u_int32_t *vectp; 2703 char *stringp, *destp; 2704 u_int32_t *stack_base; 2705 struct freebsd32_ps_strings *arginfo; 2706 char canary[sizeof(long) * 8]; 2707 int32_t pagesizes32[MAXPAGESIZES]; 2708 size_t execpath_len; 2709 int szsigcode; 2710 2711 /* 2712 * Calculate string base and vector table pointers. 2713 * Also deal with signal trampoline code for this exec type. 2714 */ 2715 if (imgp->execpath != NULL && imgp->auxargs != NULL) 2716 execpath_len = strlen(imgp->execpath) + 1; 2717 else 2718 execpath_len = 0; 2719 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 2720 sv_psstrings; 2721 if (imgp->proc->p_sysent->sv_sigcode_base == 0) 2722 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 2723 else 2724 szsigcode = 0; 2725 destp = (caddr_t)arginfo - szsigcode - SPARE_USRSPACE - 2726 roundup(execpath_len, sizeof(char *)) - 2727 roundup(sizeof(canary), sizeof(char *)) - 2728 roundup(sizeof(pagesizes32), sizeof(char *)) - 2729 roundup((ARG_MAX - imgp->args->stringspace), sizeof(char *)); 2730 2731 /* 2732 * install sigcode 2733 */ 2734 if (szsigcode != 0) 2735 copyout(imgp->proc->p_sysent->sv_sigcode, 2736 ((caddr_t)arginfo - szsigcode), szsigcode); 2737 2738 /* 2739 * Copy the image path for the rtld. 2740 */ 2741 if (execpath_len != 0) { 2742 imgp->execpathp = (uintptr_t)arginfo - szsigcode - execpath_len; 2743 copyout(imgp->execpath, (void *)imgp->execpathp, 2744 execpath_len); 2745 } 2746 2747 /* 2748 * Prepare the canary for SSP. 2749 */ 2750 arc4rand(canary, sizeof(canary), 0); 2751 imgp->canary = (uintptr_t)arginfo - szsigcode - execpath_len - 2752 sizeof(canary); 2753 copyout(canary, (void *)imgp->canary, sizeof(canary)); 2754 imgp->canarylen = sizeof(canary); 2755 2756 /* 2757 * Prepare the pagesizes array. 2758 */ 2759 for (i = 0; i < MAXPAGESIZES; i++) 2760 pagesizes32[i] = (uint32_t)pagesizes[i]; 2761 imgp->pagesizes = (uintptr_t)arginfo - szsigcode - execpath_len - 2762 roundup(sizeof(canary), sizeof(char *)) - sizeof(pagesizes32); 2763 copyout(pagesizes32, (void *)imgp->pagesizes, sizeof(pagesizes32)); 2764 imgp->pagesizeslen = sizeof(pagesizes32); 2765 2766 /* 2767 * If we have a valid auxargs ptr, prepare some room 2768 * on the stack. 2769 */ 2770 if (imgp->auxargs) { 2771 /* 2772 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 2773 * lower compatibility. 2774 */ 2775 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 2776 : (AT_COUNT * 2); 2777 /* 2778 * The '+ 2' is for the null pointers at the end of each of 2779 * the arg and env vector sets,and imgp->auxarg_size is room 2780 * for argument of Runtime loader. 2781 */ 2782 vectp = (u_int32_t *) (destp - (imgp->args->argc + 2783 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 2784 sizeof(u_int32_t)); 2785 } else 2786 /* 2787 * The '+ 2' is for the null pointers at the end of each of 2788 * the arg and env vector sets 2789 */ 2790 vectp = (u_int32_t *) 2791 (destp - (imgp->args->argc + imgp->args->envc + 2) * sizeof(u_int32_t)); 2792 2793 /* 2794 * vectp also becomes our initial stack base 2795 */ 2796 stack_base = vectp; 2797 2798 stringp = imgp->args->begin_argv; 2799 argc = imgp->args->argc; 2800 envc = imgp->args->envc; 2801 /* 2802 * Copy out strings - arguments and environment. 2803 */ 2804 copyout(stringp, destp, ARG_MAX - imgp->args->stringspace); 2805 2806 /* 2807 * Fill in "ps_strings" struct for ps, w, etc. 2808 */ 2809 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 2810 suword32(&arginfo->ps_nargvstr, argc); 2811 2812 /* 2813 * Fill in argument portion of vector table. 2814 */ 2815 for (; argc > 0; --argc) { 2816 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2817 while (*stringp++ != 0) 2818 destp++; 2819 destp++; 2820 } 2821 2822 /* a null vector table pointer separates the argp's from the envp's */ 2823 suword32(vectp++, 0); 2824 2825 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 2826 suword32(&arginfo->ps_nenvstr, envc); 2827 2828 /* 2829 * Fill in environment portion of vector table. 2830 */ 2831 for (; envc > 0; --envc) { 2832 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2833 while (*stringp++ != 0) 2834 destp++; 2835 destp++; 2836 } 2837 2838 /* end of vector table is a null pointer */ 2839 suword32(vectp, 0); 2840 2841 return ((register_t *)stack_base); 2842 } 2843 2844 int 2845 freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap) 2846 { 2847 struct kld_file_stat stat; 2848 struct kld32_file_stat stat32; 2849 int error, version; 2850 2851 if ((error = copyin(&uap->stat->version, &version, sizeof(version))) 2852 != 0) 2853 return (error); 2854 if (version != sizeof(struct kld32_file_stat_1) && 2855 version != sizeof(struct kld32_file_stat)) 2856 return (EINVAL); 2857 2858 error = kern_kldstat(td, uap->fileid, &stat); 2859 if (error != 0) 2860 return (error); 2861 2862 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name)); 2863 CP(stat, stat32, refs); 2864 CP(stat, stat32, id); 2865 PTROUT_CP(stat, stat32, address); 2866 CP(stat, stat32, size); 2867 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname)); 2868 return (copyout(&stat32, uap->stat, version)); 2869 } 2870 2871 int 2872 freebsd32_posix_fallocate(struct thread *td, 2873 struct freebsd32_posix_fallocate_args *uap) 2874 { 2875 2876 return (kern_posix_fallocate(td, uap->fd, 2877 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len))); 2878 } 2879 2880 int 2881 freebsd32_posix_fadvise(struct thread *td, 2882 struct freebsd32_posix_fadvise_args *uap) 2883 { 2884 2885 return (kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset), 2886 PAIR32TO64(off_t, uap->len), uap->advice)); 2887 }
Cache object: 0d96323583c5659c199978262e0c2e22
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