freebsd32_misc.c revision 205319
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: head/sys/compat/freebsd32/freebsd32_misc.c 205319 2010-03-19 10:49:03Z 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/lock.h> 47#include <sys/malloc.h> 48#include <sys/file.h> /* Must come after sys/malloc.h */ 49#include <sys/imgact.h> 50#include <sys/mbuf.h> 51#include <sys/mman.h> 52#include <sys/module.h> 53#include <sys/mount.h> 54#include <sys/mutex.h> 55#include <sys/namei.h> 56#include <sys/proc.h> 57#include <sys/reboot.h> 58#include <sys/resource.h> 59#include <sys/resourcevar.h> 60#include <sys/selinfo.h> 61#include <sys/eventvar.h> /* Must come after sys/selinfo.h */ 62#include <sys/pipe.h> /* Must come after sys/selinfo.h */ 63#include <sys/signal.h> 64#include <sys/signalvar.h> 65#include <sys/socket.h> 66#include <sys/socketvar.h> 67#include <sys/stat.h> 68#include <sys/syscall.h> 69#include <sys/syscallsubr.h> 70#include <sys/sysctl.h> 71#include <sys/sysent.h> 72#include <sys/sysproto.h> 73#include <sys/systm.h> 74#include <sys/thr.h> 75#include <sys/unistd.h> 76#include <sys/ucontext.h> 77#include <sys/vnode.h> 78#include <sys/wait.h> 79#include <sys/ipc.h> 80#include <sys/msg.h> 81#include <sys/sem.h> 82#include <sys/shm.h> 83 84#ifdef INET 85#include <netinet/in.h> 86#endif 87 88#include <vm/vm.h> 89#include <vm/vm_kern.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 107CTASSERT(sizeof(struct timeval32) == 8); 108CTASSERT(sizeof(struct timespec32) == 8); 109CTASSERT(sizeof(struct itimerval32) == 16); 110CTASSERT(sizeof(struct statfs32) == 256); 111CTASSERT(sizeof(struct rusage32) == 72); 112CTASSERT(sizeof(struct sigaltstack32) == 12); 113CTASSERT(sizeof(struct kevent32) == 20); 114CTASSERT(sizeof(struct iovec32) == 8); 115CTASSERT(sizeof(struct msghdr32) == 28); 116CTASSERT(sizeof(struct stat32) == 96); 117CTASSERT(sizeof(struct sigaction32) == 24); 118 119static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 120static 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 132int 133freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 134{ 135 int error, status; 136 struct rusage32 ru32; 137 struct rusage ru, *rup; 138 139 if (uap->rusage != NULL) 140 rup = &ru; 141 else 142 rup = NULL; 143 error = kern_wait(td, uap->pid, &status, uap->options, rup); 144 if (error) 145 return (error); 146 if (uap->status != NULL) 147 error = copyout(&status, uap->status, sizeof(status)); 148 if (uap->rusage != NULL && error == 0) { 149 TV_CP(ru, ru32, ru_utime); 150 TV_CP(ru, ru32, ru_stime); 151 CP(ru, ru32, ru_maxrss); 152 CP(ru, ru32, ru_ixrss); 153 CP(ru, ru32, ru_idrss); 154 CP(ru, ru32, ru_isrss); 155 CP(ru, ru32, ru_minflt); 156 CP(ru, ru32, ru_majflt); 157 CP(ru, ru32, ru_nswap); 158 CP(ru, ru32, ru_inblock); 159 CP(ru, ru32, ru_oublock); 160 CP(ru, ru32, ru_msgsnd); 161 CP(ru, ru32, ru_msgrcv); 162 CP(ru, ru32, ru_nsignals); 163 CP(ru, ru32, ru_nvcsw); 164 CP(ru, ru32, ru_nivcsw); 165 error = copyout(&ru32, uap->rusage, sizeof(ru32)); 166 } 167 return (error); 168} 169 170#ifdef COMPAT_FREEBSD4 171static void 172copy_statfs(struct statfs *in, struct statfs32 *out) 173{ 174 175 statfs_scale_blocks(in, INT32_MAX); 176 bzero(out, sizeof(*out)); 177 CP(*in, *out, f_bsize); 178 out->f_iosize = MIN(in->f_iosize, INT32_MAX); 179 CP(*in, *out, f_blocks); 180 CP(*in, *out, f_bfree); 181 CP(*in, *out, f_bavail); 182 out->f_files = MIN(in->f_files, INT32_MAX); 183 out->f_ffree = MIN(in->f_ffree, INT32_MAX); 184 CP(*in, *out, f_fsid); 185 CP(*in, *out, f_owner); 186 CP(*in, *out, f_type); 187 CP(*in, *out, f_flags); 188 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 189 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 190 strlcpy(out->f_fstypename, 191 in->f_fstypename, MFSNAMELEN); 192 strlcpy(out->f_mntonname, 193 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 194 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 195 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 196 strlcpy(out->f_mntfromname, 197 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 198} 199#endif 200 201#ifdef COMPAT_FREEBSD4 202int 203freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap) 204{ 205 struct statfs *buf, *sp; 206 struct statfs32 stat32; 207 size_t count, size; 208 int error; 209 210 count = uap->bufsize / sizeof(struct statfs32); 211 size = count * sizeof(struct statfs); 212 error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 213 if (size > 0) { 214 count = td->td_retval[0]; 215 sp = buf; 216 while (count > 0 && error == 0) { 217 copy_statfs(sp, &stat32); 218 error = copyout(&stat32, uap->buf, sizeof(stat32)); 219 sp++; 220 uap->buf++; 221 count--; 222 } 223 free(buf, M_TEMP); 224 } 225 return (error); 226} 227#endif 228 229int 230freebsd32_sigaltstack(struct thread *td, 231 struct freebsd32_sigaltstack_args *uap) 232{ 233 struct sigaltstack32 s32; 234 struct sigaltstack ss, oss, *ssp; 235 int error; 236 237 if (uap->ss != NULL) { 238 error = copyin(uap->ss, &s32, sizeof(s32)); 239 if (error) 240 return (error); 241 PTRIN_CP(s32, ss, ss_sp); 242 CP(s32, ss, ss_size); 243 CP(s32, ss, ss_flags); 244 ssp = &ss; 245 } else 246 ssp = NULL; 247 error = kern_sigaltstack(td, ssp, &oss); 248 if (error == 0 && uap->oss != NULL) { 249 PTROUT_CP(oss, s32, ss_sp); 250 CP(oss, s32, ss_size); 251 CP(oss, s32, ss_flags); 252 error = copyout(&s32, uap->oss, sizeof(s32)); 253 } 254 return (error); 255} 256 257/* 258 * Custom version of exec_copyin_args() so that we can translate 259 * the pointers. 260 */ 261static int 262freebsd32_exec_copyin_args(struct image_args *args, char *fname, 263 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 264{ 265 char *argp, *envp; 266 u_int32_t *p32, arg; 267 size_t length; 268 int error; 269 270 bzero(args, sizeof(*args)); 271 if (argv == NULL) 272 return (EFAULT); 273 274 /* 275 * Allocate temporary demand zeroed space for argument and 276 * environment strings 277 */ 278 args->buf = (char *) kmem_alloc_wait(exec_map, 279 PATH_MAX + ARG_MAX + MAXSHELLCMDLEN); 280 if (args->buf == NULL) 281 return (ENOMEM); 282 args->begin_argv = args->buf; 283 args->endp = args->begin_argv; 284 args->stringspace = ARG_MAX; 285 286 /* 287 * Copy the file name. 288 */ 289 if (fname != NULL) { 290 args->fname = args->buf + ARG_MAX; 291 error = (segflg == UIO_SYSSPACE) ? 292 copystr(fname, args->fname, PATH_MAX, &length) : 293 copyinstr(fname, args->fname, PATH_MAX, &length); 294 if (error != 0) 295 goto err_exit; 296 } else 297 args->fname = NULL; 298 299 /* 300 * extract arguments first 301 */ 302 p32 = argv; 303 for (;;) { 304 error = copyin(p32++, &arg, sizeof(arg)); 305 if (error) 306 goto err_exit; 307 if (arg == 0) 308 break; 309 argp = PTRIN(arg); 310 error = copyinstr(argp, args->endp, args->stringspace, &length); 311 if (error) { 312 if (error == ENAMETOOLONG) 313 error = E2BIG; 314 goto err_exit; 315 } 316 args->stringspace -= length; 317 args->endp += length; 318 args->argc++; 319 } 320 321 args->begin_envv = args->endp; 322 323 /* 324 * extract environment strings 325 */ 326 if (envv) { 327 p32 = envv; 328 for (;;) { 329 error = copyin(p32++, &arg, sizeof(arg)); 330 if (error) 331 goto err_exit; 332 if (arg == 0) 333 break; 334 envp = PTRIN(arg); 335 error = copyinstr(envp, args->endp, args->stringspace, 336 &length); 337 if (error) { 338 if (error == ENAMETOOLONG) 339 error = E2BIG; 340 goto err_exit; 341 } 342 args->stringspace -= length; 343 args->endp += length; 344 args->envc++; 345 } 346 } 347 348 return (0); 349 350err_exit: 351 kmem_free_wakeup(exec_map, (vm_offset_t)args->buf, 352 PATH_MAX + ARG_MAX + MAXSHELLCMDLEN); 353 args->buf = NULL; 354 return (error); 355} 356 357int 358freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 359{ 360 struct image_args eargs; 361 int error; 362 363 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 364 uap->argv, uap->envv); 365 if (error == 0) 366 error = kern_execve(td, &eargs, NULL); 367 return (error); 368} 369 370int 371freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 372{ 373 struct image_args eargs; 374 int error; 375 376 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 377 uap->argv, uap->envv); 378 if (error == 0) { 379 eargs.fd = uap->fd; 380 error = kern_execve(td, &eargs, NULL); 381 } 382 return (error); 383} 384 385#ifdef __ia64__ 386static int 387freebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, 388 int prot, int fd, off_t pos) 389{ 390 vm_map_t map; 391 vm_map_entry_t entry; 392 int rv; 393 394 map = &td->td_proc->p_vmspace->vm_map; 395 if (fd != -1) 396 prot |= VM_PROT_WRITE; 397 398 if (vm_map_lookup_entry(map, start, &entry)) { 399 if ((entry->protection & prot) != prot) { 400 rv = vm_map_protect(map, 401 trunc_page(start), 402 round_page(end), 403 entry->protection | prot, 404 FALSE); 405 if (rv != KERN_SUCCESS) 406 return (EINVAL); 407 } 408 } else { 409 vm_offset_t addr = trunc_page(start); 410 rv = vm_map_find(map, 0, 0, 411 &addr, PAGE_SIZE, FALSE, prot, 412 VM_PROT_ALL, 0); 413 if (rv != KERN_SUCCESS) 414 return (EINVAL); 415 } 416 417 if (fd != -1) { 418 struct pread_args r; 419 r.fd = fd; 420 r.buf = (void *) start; 421 r.nbyte = end - start; 422 r.offset = pos; 423 return (pread(td, &r)); 424 } else { 425 while (start < end) { 426 subyte((void *) start, 0); 427 start++; 428 } 429 return (0); 430 } 431} 432#endif 433 434int 435freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 436{ 437 struct mmap_args ap; 438 vm_offset_t addr = (vm_offset_t) uap->addr; 439 vm_size_t len = uap->len; 440 int prot = uap->prot; 441 int flags = uap->flags; 442 int fd = uap->fd; 443 off_t pos = PAIR32TO64(off_t,uap->pos); 444#ifdef __ia64__ 445 vm_size_t pageoff; 446 int error; 447 448 /* 449 * Attempt to handle page size hassles. 450 */ 451 pageoff = (pos & PAGE_MASK); 452 if (flags & MAP_FIXED) { 453 vm_offset_t start, end; 454 start = addr; 455 end = addr + len; 456 457 if (start != trunc_page(start)) { 458 error = freebsd32_mmap_partial(td, start, 459 round_page(start), prot, 460 fd, pos); 461 if (fd != -1) 462 pos += round_page(start) - start; 463 start = round_page(start); 464 } 465 if (end != round_page(end)) { 466 vm_offset_t t = trunc_page(end); 467 error = freebsd32_mmap_partial(td, t, end, 468 prot, fd, 469 pos + t - start); 470 end = trunc_page(end); 471 } 472 if (end > start && fd != -1 && (pos & PAGE_MASK)) { 473 /* 474 * We can't map this region at all. The specified 475 * address doesn't have the same alignment as the file 476 * position. Fake the mapping by simply reading the 477 * entire region into memory. First we need to make 478 * sure the region exists. 479 */ 480 vm_map_t map; 481 struct pread_args r; 482 int rv; 483 484 prot |= VM_PROT_WRITE; 485 map = &td->td_proc->p_vmspace->vm_map; 486 rv = vm_map_remove(map, start, end); 487 if (rv != KERN_SUCCESS) 488 return (EINVAL); 489 rv = vm_map_find(map, 0, 0, 490 &start, end - start, FALSE, 491 prot, VM_PROT_ALL, 0); 492 if (rv != KERN_SUCCESS) 493 return (EINVAL); 494 r.fd = fd; 495 r.buf = (void *) start; 496 r.nbyte = end - start; 497 r.offset = pos; 498 error = pread(td, &r); 499 if (error) 500 return (error); 501 502 td->td_retval[0] = addr; 503 return (0); 504 } 505 if (end == start) { 506 /* 507 * After dealing with the ragged ends, there 508 * might be none left. 509 */ 510 td->td_retval[0] = addr; 511 return (0); 512 } 513 addr = start; 514 len = end - start; 515 } 516#endif 517 518 ap.addr = (void *) addr; 519 ap.len = len; 520 ap.prot = prot; 521 ap.flags = flags; 522 ap.fd = fd; 523 ap.pos = pos; 524 525 return (mmap(td, &ap)); 526} 527 528#ifdef COMPAT_FREEBSD6 529int 530freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 531{ 532 struct freebsd32_mmap_args ap; 533 534 ap.addr = uap->addr; 535 ap.len = uap->len; 536 ap.prot = uap->prot; 537 ap.flags = uap->flags; 538 ap.fd = uap->fd; 539 ap.pos1 = uap->pos1; 540 ap.pos2 = uap->pos2; 541 542 return (freebsd32_mmap(td, &ap)); 543} 544#endif 545 546int 547freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 548{ 549 struct itimerval itv, oitv, *itvp; 550 struct itimerval32 i32; 551 int error; 552 553 if (uap->itv != NULL) { 554 error = copyin(uap->itv, &i32, sizeof(i32)); 555 if (error) 556 return (error); 557 TV_CP(i32, itv, it_interval); 558 TV_CP(i32, itv, it_value); 559 itvp = &itv; 560 } else 561 itvp = NULL; 562 error = kern_setitimer(td, uap->which, itvp, &oitv); 563 if (error || uap->oitv == NULL) 564 return (error); 565 TV_CP(oitv, i32, it_interval); 566 TV_CP(oitv, i32, it_value); 567 return (copyout(&i32, uap->oitv, sizeof(i32))); 568} 569 570int 571freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 572{ 573 struct itimerval itv; 574 struct itimerval32 i32; 575 int error; 576 577 error = kern_getitimer(td, uap->which, &itv); 578 if (error || uap->itv == NULL) 579 return (error); 580 TV_CP(itv, i32, it_interval); 581 TV_CP(itv, i32, it_value); 582 return (copyout(&i32, uap->itv, sizeof(i32))); 583} 584 585int 586freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 587{ 588 struct timeval32 tv32; 589 struct timeval tv, *tvp; 590 int error; 591 592 if (uap->tv != NULL) { 593 error = copyin(uap->tv, &tv32, sizeof(tv32)); 594 if (error) 595 return (error); 596 CP(tv32, tv, tv_sec); 597 CP(tv32, tv, tv_usec); 598 tvp = &tv; 599 } else 600 tvp = NULL; 601 /* 602 * XXX Do pointers need PTRIN()? 603 */ 604 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 605 sizeof(int32_t) * 8)); 606} 607 608int 609freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 610{ 611 struct timespec32 ts32; 612 struct timespec ts; 613 struct timeval tv, *tvp; 614 sigset_t set, *uset; 615 int error; 616 617 if (uap->ts != NULL) { 618 error = copyin(uap->ts, &ts32, sizeof(ts32)); 619 if (error != 0) 620 return (error); 621 CP(ts32, ts, tv_sec); 622 CP(ts32, ts, tv_nsec); 623 TIMESPEC_TO_TIMEVAL(&tv, &ts); 624 tvp = &tv; 625 } else 626 tvp = NULL; 627 if (uap->sm != NULL) { 628 error = copyin(uap->sm, &set, sizeof(set)); 629 if (error != 0) 630 return (error); 631 uset = &set; 632 } else 633 uset = NULL; 634 /* 635 * XXX Do pointers need PTRIN()? 636 */ 637 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 638 uset, sizeof(int32_t) * 8); 639 return (error); 640} 641 642/* 643 * Copy 'count' items into the destination list pointed to by uap->eventlist. 644 */ 645static int 646freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 647{ 648 struct freebsd32_kevent_args *uap; 649 struct kevent32 ks32[KQ_NEVENTS]; 650 int i, error = 0; 651 652 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 653 uap = (struct freebsd32_kevent_args *)arg; 654 655 for (i = 0; i < count; i++) { 656 CP(kevp[i], ks32[i], ident); 657 CP(kevp[i], ks32[i], filter); 658 CP(kevp[i], ks32[i], flags); 659 CP(kevp[i], ks32[i], fflags); 660 CP(kevp[i], ks32[i], data); 661 PTROUT_CP(kevp[i], ks32[i], udata); 662 } 663 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 664 if (error == 0) 665 uap->eventlist += count; 666 return (error); 667} 668 669/* 670 * Copy 'count' items from the list pointed to by uap->changelist. 671 */ 672static int 673freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 674{ 675 struct freebsd32_kevent_args *uap; 676 struct kevent32 ks32[KQ_NEVENTS]; 677 int i, error = 0; 678 679 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 680 uap = (struct freebsd32_kevent_args *)arg; 681 682 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 683 if (error) 684 goto done; 685 uap->changelist += count; 686 687 for (i = 0; i < count; i++) { 688 CP(ks32[i], kevp[i], ident); 689 CP(ks32[i], kevp[i], filter); 690 CP(ks32[i], kevp[i], flags); 691 CP(ks32[i], kevp[i], fflags); 692 CP(ks32[i], kevp[i], data); 693 PTRIN_CP(ks32[i], kevp[i], udata); 694 } 695done: 696 return (error); 697} 698 699int 700freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 701{ 702 struct timespec32 ts32; 703 struct timespec ts, *tsp; 704 struct kevent_copyops k_ops = { uap, 705 freebsd32_kevent_copyout, 706 freebsd32_kevent_copyin}; 707 int error; 708 709 710 if (uap->timeout) { 711 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 712 if (error) 713 return (error); 714 CP(ts32, ts, tv_sec); 715 CP(ts32, ts, tv_nsec); 716 tsp = &ts; 717 } else 718 tsp = NULL; 719 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 720 &k_ops, tsp); 721 return (error); 722} 723 724int 725freebsd32_gettimeofday(struct thread *td, 726 struct freebsd32_gettimeofday_args *uap) 727{ 728 struct timeval atv; 729 struct timeval32 atv32; 730 struct timezone rtz; 731 int error = 0; 732 733 if (uap->tp) { 734 microtime(&atv); 735 CP(atv, atv32, tv_sec); 736 CP(atv, atv32, tv_usec); 737 error = copyout(&atv32, uap->tp, sizeof (atv32)); 738 } 739 if (error == 0 && uap->tzp != NULL) { 740 rtz.tz_minuteswest = tz_minuteswest; 741 rtz.tz_dsttime = tz_dsttime; 742 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 743 } 744 return (error); 745} 746 747int 748freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 749{ 750 struct rusage32 s32; 751 struct rusage s; 752 int error; 753 754 error = kern_getrusage(td, uap->who, &s); 755 if (error) 756 return (error); 757 if (uap->rusage != NULL) { 758 TV_CP(s, s32, ru_utime); 759 TV_CP(s, s32, ru_stime); 760 CP(s, s32, ru_maxrss); 761 CP(s, s32, ru_ixrss); 762 CP(s, s32, ru_idrss); 763 CP(s, s32, ru_isrss); 764 CP(s, s32, ru_minflt); 765 CP(s, s32, ru_majflt); 766 CP(s, s32, ru_nswap); 767 CP(s, s32, ru_inblock); 768 CP(s, s32, ru_oublock); 769 CP(s, s32, ru_msgsnd); 770 CP(s, s32, ru_msgrcv); 771 CP(s, s32, ru_nsignals); 772 CP(s, s32, ru_nvcsw); 773 CP(s, s32, ru_nivcsw); 774 error = copyout(&s32, uap->rusage, sizeof(s32)); 775 } 776 return (error); 777} 778 779static int 780freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 781{ 782 struct iovec32 iov32; 783 struct iovec *iov; 784 struct uio *uio; 785 u_int iovlen; 786 int error, i; 787 788 *uiop = NULL; 789 if (iovcnt > UIO_MAXIOV) 790 return (EINVAL); 791 iovlen = iovcnt * sizeof(struct iovec); 792 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 793 iov = (struct iovec *)(uio + 1); 794 for (i = 0; i < iovcnt; i++) { 795 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 796 if (error) { 797 free(uio, M_IOV); 798 return (error); 799 } 800 iov[i].iov_base = PTRIN(iov32.iov_base); 801 iov[i].iov_len = iov32.iov_len; 802 } 803 uio->uio_iov = iov; 804 uio->uio_iovcnt = iovcnt; 805 uio->uio_segflg = UIO_USERSPACE; 806 uio->uio_offset = -1; 807 uio->uio_resid = 0; 808 for (i = 0; i < iovcnt; i++) { 809 if (iov->iov_len > INT_MAX - uio->uio_resid) { 810 free(uio, M_IOV); 811 return (EINVAL); 812 } 813 uio->uio_resid += iov->iov_len; 814 iov++; 815 } 816 *uiop = uio; 817 return (0); 818} 819 820int 821freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 822{ 823 struct uio *auio; 824 int error; 825 826 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 827 if (error) 828 return (error); 829 error = kern_readv(td, uap->fd, auio); 830 free(auio, M_IOV); 831 return (error); 832} 833 834int 835freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 836{ 837 struct uio *auio; 838 int error; 839 840 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 841 if (error) 842 return (error); 843 error = kern_writev(td, uap->fd, auio); 844 free(auio, M_IOV); 845 return (error); 846} 847 848int 849freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 850{ 851 struct uio *auio; 852 int error; 853 854 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 855 if (error) 856 return (error); 857 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 858 free(auio, M_IOV); 859 return (error); 860} 861 862int 863freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 864{ 865 struct uio *auio; 866 int error; 867 868 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 869 if (error) 870 return (error); 871 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 872 free(auio, M_IOV); 873 return (error); 874} 875 876int 877freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 878 int error) 879{ 880 struct iovec32 iov32; 881 struct iovec *iov; 882 u_int iovlen; 883 int i; 884 885 *iovp = NULL; 886 if (iovcnt > UIO_MAXIOV) 887 return (error); 888 iovlen = iovcnt * sizeof(struct iovec); 889 iov = malloc(iovlen, M_IOV, M_WAITOK); 890 for (i = 0; i < iovcnt; i++) { 891 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 892 if (error) { 893 free(iov, M_IOV); 894 return (error); 895 } 896 iov[i].iov_base = PTRIN(iov32.iov_base); 897 iov[i].iov_len = iov32.iov_len; 898 } 899 *iovp = iov; 900 return (0); 901} 902 903static int 904freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 905{ 906 struct msghdr32 m32; 907 int error; 908 909 error = copyin(msg32, &m32, sizeof(m32)); 910 if (error) 911 return (error); 912 msg->msg_name = PTRIN(m32.msg_name); 913 msg->msg_namelen = m32.msg_namelen; 914 msg->msg_iov = PTRIN(m32.msg_iov); 915 msg->msg_iovlen = m32.msg_iovlen; 916 msg->msg_control = PTRIN(m32.msg_control); 917 msg->msg_controllen = m32.msg_controllen; 918 msg->msg_flags = m32.msg_flags; 919 return (0); 920} 921 922static int 923freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 924{ 925 struct msghdr32 m32; 926 int error; 927 928 m32.msg_name = PTROUT(msg->msg_name); 929 m32.msg_namelen = msg->msg_namelen; 930 m32.msg_iov = PTROUT(msg->msg_iov); 931 m32.msg_iovlen = msg->msg_iovlen; 932 m32.msg_control = PTROUT(msg->msg_control); 933 m32.msg_controllen = msg->msg_controllen; 934 m32.msg_flags = msg->msg_flags; 935 error = copyout(&m32, msg32, sizeof(m32)); 936 return (error); 937} 938 939#define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 940#define FREEBSD32_ALIGN(p) \ 941 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 942#define FREEBSD32_CMSG_SPACE(l) \ 943 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 944 945#define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 946 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 947static int 948freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 949{ 950 struct cmsghdr *cm; 951 void *data; 952 socklen_t clen, datalen; 953 int error; 954 caddr_t ctlbuf; 955 int len, maxlen, copylen; 956 struct mbuf *m; 957 error = 0; 958 959 len = msg->msg_controllen; 960 maxlen = msg->msg_controllen; 961 msg->msg_controllen = 0; 962 963 m = control; 964 ctlbuf = msg->msg_control; 965 966 while (m && len > 0) { 967 cm = mtod(m, struct cmsghdr *); 968 clen = m->m_len; 969 970 while (cm != NULL) { 971 972 if (sizeof(struct cmsghdr) > clen || 973 cm->cmsg_len > clen) { 974 error = EINVAL; 975 break; 976 } 977 978 data = CMSG_DATA(cm); 979 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 980 981 /* Adjust message length */ 982 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 983 datalen; 984 985 986 /* Copy cmsghdr */ 987 copylen = sizeof(struct cmsghdr); 988 if (len < copylen) { 989 msg->msg_flags |= MSG_CTRUNC; 990 copylen = len; 991 } 992 993 error = copyout(cm,ctlbuf,copylen); 994 if (error) 995 goto exit; 996 997 ctlbuf += FREEBSD32_ALIGN(copylen); 998 len -= FREEBSD32_ALIGN(copylen); 999 1000 if (len <= 0) 1001 break; 1002 1003 /* Copy data */ 1004 copylen = datalen; 1005 if (len < copylen) { 1006 msg->msg_flags |= MSG_CTRUNC; 1007 copylen = len; 1008 } 1009 1010 error = copyout(data,ctlbuf,copylen); 1011 if (error) 1012 goto exit; 1013 1014 ctlbuf += FREEBSD32_ALIGN(copylen); 1015 len -= FREEBSD32_ALIGN(copylen); 1016 1017 if (CMSG_SPACE(datalen) < clen) { 1018 clen -= CMSG_SPACE(datalen); 1019 cm = (struct cmsghdr *) 1020 ((caddr_t)cm + CMSG_SPACE(datalen)); 1021 } else { 1022 clen = 0; 1023 cm = NULL; 1024 } 1025 } 1026 m = m->m_next; 1027 } 1028 1029 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 1030 1031exit: 1032 return (error); 1033 1034} 1035 1036int 1037freebsd32_recvmsg(td, uap) 1038 struct thread *td; 1039 struct freebsd32_recvmsg_args /* { 1040 int s; 1041 struct msghdr32 *msg; 1042 int flags; 1043 } */ *uap; 1044{ 1045 struct msghdr msg; 1046 struct msghdr32 m32; 1047 struct iovec *uiov, *iov; 1048 struct mbuf *control = NULL; 1049 struct mbuf **controlp; 1050 1051 int error; 1052 error = copyin(uap->msg, &m32, sizeof(m32)); 1053 if (error) 1054 return (error); 1055 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1056 if (error) 1057 return (error); 1058 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1059 EMSGSIZE); 1060 if (error) 1061 return (error); 1062 msg.msg_flags = uap->flags; 1063 uiov = msg.msg_iov; 1064 msg.msg_iov = iov; 1065 1066 controlp = (msg.msg_control != NULL) ? &control : NULL; 1067 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1068 if (error == 0) { 1069 msg.msg_iov = uiov; 1070 1071 if (control != NULL) 1072 error = freebsd32_copy_msg_out(&msg, control); 1073 1074 if (error == 0) 1075 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1076 } 1077 free(iov, M_IOV); 1078 1079 if (control != NULL) 1080 m_freem(control); 1081 1082 return (error); 1083} 1084 1085 1086static int 1087freebsd32_convert_msg_in(struct mbuf **controlp) 1088{ 1089 struct mbuf *control = *controlp; 1090 struct cmsghdr *cm = mtod(control, struct cmsghdr *); 1091 void *data; 1092 socklen_t clen = control->m_len, datalen; 1093 int error; 1094 1095 error = 0; 1096 *controlp = NULL; 1097 1098 while (cm != NULL) { 1099 if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) { 1100 error = EINVAL; 1101 break; 1102 } 1103 1104 data = FREEBSD32_CMSG_DATA(cm); 1105 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1106 1107 *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type, 1108 cm->cmsg_level); 1109 controlp = &(*controlp)->m_next; 1110 1111 if (FREEBSD32_CMSG_SPACE(datalen) < clen) { 1112 clen -= FREEBSD32_CMSG_SPACE(datalen); 1113 cm = (struct cmsghdr *) 1114 ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen)); 1115 } else { 1116 clen = 0; 1117 cm = NULL; 1118 } 1119 } 1120 1121 m_freem(control); 1122 return (error); 1123} 1124 1125 1126int 1127freebsd32_sendmsg(struct thread *td, 1128 struct freebsd32_sendmsg_args *uap) 1129{ 1130 struct msghdr msg; 1131 struct msghdr32 m32; 1132 struct iovec *iov; 1133 struct mbuf *control = NULL; 1134 struct sockaddr *to = NULL; 1135 int error; 1136 1137 error = copyin(uap->msg, &m32, sizeof(m32)); 1138 if (error) 1139 return (error); 1140 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1141 if (error) 1142 return (error); 1143 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1144 EMSGSIZE); 1145 if (error) 1146 return (error); 1147 msg.msg_iov = iov; 1148 if (msg.msg_name != NULL) { 1149 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1150 if (error) { 1151 to = NULL; 1152 goto out; 1153 } 1154 msg.msg_name = to; 1155 } 1156 1157 if (msg.msg_control) { 1158 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1159 error = EINVAL; 1160 goto out; 1161 } 1162 1163 error = sockargs(&control, msg.msg_control, 1164 msg.msg_controllen, MT_CONTROL); 1165 if (error) 1166 goto out; 1167 1168 error = freebsd32_convert_msg_in(&control); 1169 if (error) 1170 goto out; 1171 } 1172 1173 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1174 UIO_USERSPACE); 1175 1176out: 1177 free(iov, M_IOV); 1178 if (to) 1179 free(to, M_SONAME); 1180 return (error); 1181} 1182 1183int 1184freebsd32_recvfrom(struct thread *td, 1185 struct freebsd32_recvfrom_args *uap) 1186{ 1187 struct msghdr msg; 1188 struct iovec aiov; 1189 int error; 1190 1191 if (uap->fromlenaddr) { 1192 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1193 sizeof(msg.msg_namelen)); 1194 if (error) 1195 return (error); 1196 } else { 1197 msg.msg_namelen = 0; 1198 } 1199 1200 msg.msg_name = PTRIN(uap->from); 1201 msg.msg_iov = &aiov; 1202 msg.msg_iovlen = 1; 1203 aiov.iov_base = PTRIN(uap->buf); 1204 aiov.iov_len = uap->len; 1205 msg.msg_control = NULL; 1206 msg.msg_flags = uap->flags; 1207 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1208 if (error == 0 && uap->fromlenaddr) 1209 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1210 sizeof (msg.msg_namelen)); 1211 return (error); 1212} 1213 1214int 1215freebsd32_settimeofday(struct thread *td, 1216 struct freebsd32_settimeofday_args *uap) 1217{ 1218 struct timeval32 tv32; 1219 struct timeval tv, *tvp; 1220 struct timezone tz, *tzp; 1221 int error; 1222 1223 if (uap->tv) { 1224 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1225 if (error) 1226 return (error); 1227 CP(tv32, tv, tv_sec); 1228 CP(tv32, tv, tv_usec); 1229 tvp = &tv; 1230 } else 1231 tvp = NULL; 1232 if (uap->tzp) { 1233 error = copyin(uap->tzp, &tz, sizeof(tz)); 1234 if (error) 1235 return (error); 1236 tzp = &tz; 1237 } else 1238 tzp = NULL; 1239 return (kern_settimeofday(td, tvp, tzp)); 1240} 1241 1242int 1243freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1244{ 1245 struct timeval32 s32[2]; 1246 struct timeval s[2], *sp; 1247 int error; 1248 1249 if (uap->tptr != NULL) { 1250 error = copyin(uap->tptr, s32, sizeof(s32)); 1251 if (error) 1252 return (error); 1253 CP(s32[0], s[0], tv_sec); 1254 CP(s32[0], s[0], tv_usec); 1255 CP(s32[1], s[1], tv_sec); 1256 CP(s32[1], s[1], tv_usec); 1257 sp = s; 1258 } else 1259 sp = NULL; 1260 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1261} 1262 1263int 1264freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1265{ 1266 struct timeval32 s32[2]; 1267 struct timeval s[2], *sp; 1268 int error; 1269 1270 if (uap->tptr != NULL) { 1271 error = copyin(uap->tptr, s32, sizeof(s32)); 1272 if (error) 1273 return (error); 1274 CP(s32[0], s[0], tv_sec); 1275 CP(s32[0], s[0], tv_usec); 1276 CP(s32[1], s[1], tv_sec); 1277 CP(s32[1], s[1], tv_usec); 1278 sp = s; 1279 } else 1280 sp = NULL; 1281 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1282} 1283 1284int 1285freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1286{ 1287 struct timeval32 s32[2]; 1288 struct timeval s[2], *sp; 1289 int error; 1290 1291 if (uap->tptr != NULL) { 1292 error = copyin(uap->tptr, s32, sizeof(s32)); 1293 if (error) 1294 return (error); 1295 CP(s32[0], s[0], tv_sec); 1296 CP(s32[0], s[0], tv_usec); 1297 CP(s32[1], s[1], tv_sec); 1298 CP(s32[1], s[1], tv_usec); 1299 sp = s; 1300 } else 1301 sp = NULL; 1302 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1303} 1304 1305int 1306freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1307{ 1308 struct timeval32 s32[2]; 1309 struct timeval s[2], *sp; 1310 int error; 1311 1312 if (uap->times != NULL) { 1313 error = copyin(uap->times, s32, sizeof(s32)); 1314 if (error) 1315 return (error); 1316 CP(s32[0], s[0], tv_sec); 1317 CP(s32[0], s[0], tv_usec); 1318 CP(s32[1], s[1], tv_sec); 1319 CP(s32[1], s[1], tv_usec); 1320 sp = s; 1321 } else 1322 sp = NULL; 1323 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1324 sp, UIO_SYSSPACE)); 1325} 1326 1327int 1328freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1329{ 1330 struct timeval32 tv32; 1331 struct timeval delta, olddelta, *deltap; 1332 int error; 1333 1334 if (uap->delta) { 1335 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1336 if (error) 1337 return (error); 1338 CP(tv32, delta, tv_sec); 1339 CP(tv32, delta, tv_usec); 1340 deltap = δ 1341 } else 1342 deltap = NULL; 1343 error = kern_adjtime(td, deltap, &olddelta); 1344 if (uap->olddelta && error == 0) { 1345 CP(olddelta, tv32, tv_sec); 1346 CP(olddelta, tv32, tv_usec); 1347 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1348 } 1349 return (error); 1350} 1351 1352#ifdef COMPAT_FREEBSD4 1353int 1354freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1355{ 1356 struct statfs32 s32; 1357 struct statfs s; 1358 int error; 1359 1360 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1361 if (error) 1362 return (error); 1363 copy_statfs(&s, &s32); 1364 return (copyout(&s32, uap->buf, sizeof(s32))); 1365} 1366#endif 1367 1368#ifdef COMPAT_FREEBSD4 1369int 1370freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1371{ 1372 struct statfs32 s32; 1373 struct statfs s; 1374 int error; 1375 1376 error = kern_fstatfs(td, uap->fd, &s); 1377 if (error) 1378 return (error); 1379 copy_statfs(&s, &s32); 1380 return (copyout(&s32, uap->buf, sizeof(s32))); 1381} 1382#endif 1383 1384#ifdef COMPAT_FREEBSD4 1385int 1386freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1387{ 1388 struct statfs32 s32; 1389 struct statfs s; 1390 fhandle_t fh; 1391 int error; 1392 1393 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1394 return (error); 1395 error = kern_fhstatfs(td, fh, &s); 1396 if (error) 1397 return (error); 1398 copy_statfs(&s, &s32); 1399 return (copyout(&s32, uap->buf, sizeof(s32))); 1400} 1401#endif 1402 1403#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1404 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1405static void 1406freebsd32_ipcperm_old_in(struct ipc_perm32_old *ip32, struct ipc_perm *ip) 1407{ 1408 1409 CP(*ip32, *ip, cuid); 1410 CP(*ip32, *ip, cgid); 1411 CP(*ip32, *ip, uid); 1412 CP(*ip32, *ip, gid); 1413 CP(*ip32, *ip, mode); 1414 CP(*ip32, *ip, seq); 1415 CP(*ip32, *ip, key); 1416} 1417 1418static void 1419freebsd32_ipcperm_old_out(struct ipc_perm *ip, struct ipc_perm32_old *ip32) 1420{ 1421 1422 CP(*ip, *ip32, cuid); 1423 CP(*ip, *ip32, cgid); 1424 CP(*ip, *ip32, uid); 1425 CP(*ip, *ip32, gid); 1426 CP(*ip, *ip32, mode); 1427 CP(*ip, *ip32, seq); 1428 CP(*ip, *ip32, key); 1429} 1430#endif 1431 1432static void 1433freebsd32_ipcperm_in(struct ipc_perm32 *ip32, struct ipc_perm *ip) 1434{ 1435 1436 CP(*ip32, *ip, cuid); 1437 CP(*ip32, *ip, cgid); 1438 CP(*ip32, *ip, uid); 1439 CP(*ip32, *ip, gid); 1440 CP(*ip32, *ip, mode); 1441 CP(*ip32, *ip, seq); 1442 CP(*ip32, *ip, key); 1443} 1444 1445static void 1446freebsd32_ipcperm_out(struct ipc_perm *ip, struct ipc_perm32 *ip32) 1447{ 1448 1449 CP(*ip, *ip32, cuid); 1450 CP(*ip, *ip32, cgid); 1451 CP(*ip, *ip32, uid); 1452 CP(*ip, *ip32, gid); 1453 CP(*ip, *ip32, mode); 1454 CP(*ip, *ip32, seq); 1455 CP(*ip, *ip32, key); 1456} 1457 1458int 1459freebsd32_semsys(struct thread *td, struct freebsd32_semsys_args *uap) 1460{ 1461 1462#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1463 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1464 switch (uap->which) { 1465 case 0: 1466 return (freebsd7_freebsd32_semctl(td, 1467 (struct freebsd7_freebsd32_semctl_args *)&uap->a2)); 1468 default: 1469 return (semsys(td, (struct semsys_args *)uap)); 1470 } 1471#else 1472 return (nosys(td, NULL)); 1473#endif 1474} 1475 1476#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1477 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1478int 1479freebsd7_freebsd32_semctl(struct thread *td, 1480 struct freebsd7_freebsd32_semctl_args *uap) 1481{ 1482 struct semid_ds32_old dsbuf32; 1483 struct semid_ds dsbuf; 1484 union semun semun; 1485 union semun32 arg; 1486 register_t rval; 1487 int error; 1488 1489 switch (uap->cmd) { 1490 case SEM_STAT: 1491 case IPC_SET: 1492 case IPC_STAT: 1493 case GETALL: 1494 case SETVAL: 1495 case SETALL: 1496 error = copyin(uap->arg, &arg, sizeof(arg)); 1497 if (error) 1498 return (error); 1499 break; 1500 } 1501 1502 switch (uap->cmd) { 1503 case SEM_STAT: 1504 case IPC_STAT: 1505 semun.buf = &dsbuf; 1506 break; 1507 case IPC_SET: 1508 error = copyin(PTRIN(arg.buf), &dsbuf32, sizeof(dsbuf32)); 1509 if (error) 1510 return (error); 1511 freebsd32_ipcperm_old_in(&dsbuf32.sem_perm, &dsbuf.sem_perm); 1512 PTRIN_CP(dsbuf32, dsbuf, sem_base); 1513 CP(dsbuf32, dsbuf, sem_nsems); 1514 CP(dsbuf32, dsbuf, sem_otime); 1515 CP(dsbuf32, dsbuf, sem_ctime); 1516 semun.buf = &dsbuf; 1517 break; 1518 case GETALL: 1519 case SETALL: 1520 semun.array = PTRIN(arg.array); 1521 break; 1522 case SETVAL: 1523 semun.val = arg.val; 1524 break; 1525 } 1526 1527 error = kern_semctl(td, uap->semid, uap->semnum, uap->cmd, &semun, 1528 &rval); 1529 if (error) 1530 return (error); 1531 1532 switch (uap->cmd) { 1533 case SEM_STAT: 1534 case IPC_STAT: 1535 bzero(&dsbuf32, sizeof(dsbuf32)); 1536 freebsd32_ipcperm_old_out(&dsbuf.sem_perm, &dsbuf32.sem_perm); 1537 PTROUT_CP(dsbuf, dsbuf32, sem_base); 1538 CP(dsbuf, dsbuf32, sem_nsems); 1539 CP(dsbuf, dsbuf32, sem_otime); 1540 CP(dsbuf, dsbuf32, sem_ctime); 1541 error = copyout(&dsbuf32, PTRIN(arg.buf), sizeof(dsbuf32)); 1542 break; 1543 } 1544 1545 if (error == 0) 1546 td->td_retval[0] = rval; 1547 return (error); 1548} 1549#endif 1550 1551int 1552freebsd32_semctl(struct thread *td, struct freebsd32_semctl_args *uap) 1553{ 1554 struct semid_ds32 dsbuf32; 1555 struct semid_ds dsbuf; 1556 union semun semun; 1557 union semun32 arg; 1558 register_t rval; 1559 int error; 1560 1561 switch (uap->cmd) { 1562 case SEM_STAT: 1563 case IPC_SET: 1564 case IPC_STAT: 1565 case GETALL: 1566 case SETVAL: 1567 case SETALL: 1568 error = copyin(uap->arg, &arg, sizeof(arg)); 1569 if (error) 1570 return (error); 1571 break; 1572 } 1573 1574 switch (uap->cmd) { 1575 case SEM_STAT: 1576 case IPC_STAT: 1577 semun.buf = &dsbuf; 1578 break; 1579 case IPC_SET: 1580 error = copyin(PTRIN(arg.buf), &dsbuf32, sizeof(dsbuf32)); 1581 if (error) 1582 return (error); 1583 freebsd32_ipcperm_in(&dsbuf32.sem_perm, &dsbuf.sem_perm); 1584 PTRIN_CP(dsbuf32, dsbuf, sem_base); 1585 CP(dsbuf32, dsbuf, sem_nsems); 1586 CP(dsbuf32, dsbuf, sem_otime); 1587 CP(dsbuf32, dsbuf, sem_ctime); 1588 semun.buf = &dsbuf; 1589 break; 1590 case GETALL: 1591 case SETALL: 1592 semun.array = PTRIN(arg.array); 1593 break; 1594 case SETVAL: 1595 semun.val = arg.val; 1596 break; 1597 } 1598 1599 error = kern_semctl(td, uap->semid, uap->semnum, uap->cmd, &semun, 1600 &rval); 1601 if (error) 1602 return (error); 1603 1604 switch (uap->cmd) { 1605 case SEM_STAT: 1606 case IPC_STAT: 1607 bzero(&dsbuf32, sizeof(dsbuf32)); 1608 freebsd32_ipcperm_out(&dsbuf.sem_perm, &dsbuf32.sem_perm); 1609 PTROUT_CP(dsbuf, dsbuf32, sem_base); 1610 CP(dsbuf, dsbuf32, sem_nsems); 1611 CP(dsbuf, dsbuf32, sem_otime); 1612 CP(dsbuf, dsbuf32, sem_ctime); 1613 error = copyout(&dsbuf32, PTRIN(arg.buf), sizeof(dsbuf32)); 1614 break; 1615 } 1616 1617 if (error == 0) 1618 td->td_retval[0] = rval; 1619 return (error); 1620} 1621 1622int 1623freebsd32_msgsys(struct thread *td, struct freebsd32_msgsys_args *uap) 1624{ 1625 1626#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1627 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1628 switch (uap->which) { 1629 case 0: 1630 return (freebsd7_freebsd32_msgctl(td, 1631 (struct freebsd7_freebsd32_msgctl_args *)&uap->a2)); 1632 case 2: 1633 return (freebsd32_msgsnd(td, 1634 (struct freebsd32_msgsnd_args *)&uap->a2)); 1635 case 3: 1636 return (freebsd32_msgrcv(td, 1637 (struct freebsd32_msgrcv_args *)&uap->a2)); 1638 default: 1639 return (msgsys(td, (struct msgsys_args *)uap)); 1640 } 1641#else 1642 return (nosys(td, NULL)); 1643#endif 1644} 1645 1646#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1647 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1648int 1649freebsd7_freebsd32_msgctl(struct thread *td, 1650 struct freebsd7_freebsd32_msgctl_args *uap) 1651{ 1652 struct msqid_ds msqbuf; 1653 struct msqid_ds32_old msqbuf32; 1654 int error; 1655 1656 if (uap->cmd == IPC_SET) { 1657 error = copyin(uap->buf, &msqbuf32, sizeof(msqbuf32)); 1658 if (error) 1659 return (error); 1660 freebsd32_ipcperm_old_in(&msqbuf32.msg_perm, &msqbuf.msg_perm); 1661 PTRIN_CP(msqbuf32, msqbuf, msg_first); 1662 PTRIN_CP(msqbuf32, msqbuf, msg_last); 1663 CP(msqbuf32, msqbuf, msg_cbytes); 1664 CP(msqbuf32, msqbuf, msg_qnum); 1665 CP(msqbuf32, msqbuf, msg_qbytes); 1666 CP(msqbuf32, msqbuf, msg_lspid); 1667 CP(msqbuf32, msqbuf, msg_lrpid); 1668 CP(msqbuf32, msqbuf, msg_stime); 1669 CP(msqbuf32, msqbuf, msg_rtime); 1670 CP(msqbuf32, msqbuf, msg_ctime); 1671 } 1672 error = kern_msgctl(td, uap->msqid, uap->cmd, &msqbuf); 1673 if (error) 1674 return (error); 1675 if (uap->cmd == IPC_STAT) { 1676 bzero(&msqbuf32, sizeof(msqbuf32)); 1677 freebsd32_ipcperm_old_out(&msqbuf.msg_perm, &msqbuf32.msg_perm); 1678 PTROUT_CP(msqbuf, msqbuf32, msg_first); 1679 PTROUT_CP(msqbuf, msqbuf32, msg_last); 1680 CP(msqbuf, msqbuf32, msg_cbytes); 1681 CP(msqbuf, msqbuf32, msg_qnum); 1682 CP(msqbuf, msqbuf32, msg_qbytes); 1683 CP(msqbuf, msqbuf32, msg_lspid); 1684 CP(msqbuf, msqbuf32, msg_lrpid); 1685 CP(msqbuf, msqbuf32, msg_stime); 1686 CP(msqbuf, msqbuf32, msg_rtime); 1687 CP(msqbuf, msqbuf32, msg_ctime); 1688 error = copyout(&msqbuf32, uap->buf, sizeof(struct msqid_ds32)); 1689 } 1690 return (error); 1691} 1692#endif 1693 1694int 1695freebsd32_msgctl(struct thread *td, struct freebsd32_msgctl_args *uap) 1696{ 1697 struct msqid_ds msqbuf; 1698 struct msqid_ds32 msqbuf32; 1699 int error; 1700 1701 if (uap->cmd == IPC_SET) { 1702 error = copyin(uap->buf, &msqbuf32, sizeof(msqbuf32)); 1703 if (error) 1704 return (error); 1705 freebsd32_ipcperm_in(&msqbuf32.msg_perm, &msqbuf.msg_perm); 1706 PTRIN_CP(msqbuf32, msqbuf, msg_first); 1707 PTRIN_CP(msqbuf32, msqbuf, msg_last); 1708 CP(msqbuf32, msqbuf, msg_cbytes); 1709 CP(msqbuf32, msqbuf, msg_qnum); 1710 CP(msqbuf32, msqbuf, msg_qbytes); 1711 CP(msqbuf32, msqbuf, msg_lspid); 1712 CP(msqbuf32, msqbuf, msg_lrpid); 1713 CP(msqbuf32, msqbuf, msg_stime); 1714 CP(msqbuf32, msqbuf, msg_rtime); 1715 CP(msqbuf32, msqbuf, msg_ctime); 1716 } 1717 error = kern_msgctl(td, uap->msqid, uap->cmd, &msqbuf); 1718 if (error) 1719 return (error); 1720 if (uap->cmd == IPC_STAT) { 1721 freebsd32_ipcperm_out(&msqbuf.msg_perm, &msqbuf32.msg_perm); 1722 PTROUT_CP(msqbuf, msqbuf32, msg_first); 1723 PTROUT_CP(msqbuf, msqbuf32, msg_last); 1724 CP(msqbuf, msqbuf32, msg_cbytes); 1725 CP(msqbuf, msqbuf32, msg_qnum); 1726 CP(msqbuf, msqbuf32, msg_qbytes); 1727 CP(msqbuf, msqbuf32, msg_lspid); 1728 CP(msqbuf, msqbuf32, msg_lrpid); 1729 CP(msqbuf, msqbuf32, msg_stime); 1730 CP(msqbuf, msqbuf32, msg_rtime); 1731 CP(msqbuf, msqbuf32, msg_ctime); 1732 error = copyout(&msqbuf32, uap->buf, sizeof(struct msqid_ds32)); 1733 } 1734 return (error); 1735} 1736 1737int 1738freebsd32_msgsnd(struct thread *td, struct freebsd32_msgsnd_args *uap) 1739{ 1740 const void *msgp; 1741 long mtype; 1742 int32_t mtype32; 1743 int error; 1744 1745 msgp = PTRIN(uap->msgp); 1746 if ((error = copyin(msgp, &mtype32, sizeof(mtype32))) != 0) 1747 return (error); 1748 mtype = mtype32; 1749 return (kern_msgsnd(td, uap->msqid, 1750 (const char *)msgp + sizeof(mtype32), 1751 uap->msgsz, uap->msgflg, mtype)); 1752} 1753 1754int 1755freebsd32_msgrcv(struct thread *td, struct freebsd32_msgrcv_args *uap) 1756{ 1757 void *msgp; 1758 long mtype; 1759 int32_t mtype32; 1760 int error; 1761 1762 msgp = PTRIN(uap->msgp); 1763 if ((error = kern_msgrcv(td, uap->msqid, 1764 (char *)msgp + sizeof(mtype32), uap->msgsz, 1765 uap->msgtyp, uap->msgflg, &mtype)) != 0) 1766 return (error); 1767 mtype32 = (int32_t)mtype; 1768 return (copyout(&mtype32, msgp, sizeof(mtype32))); 1769} 1770 1771int 1772freebsd32_shmsys(struct thread *td, struct freebsd32_shmsys_args *uap) 1773{ 1774 1775#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1776 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1777 switch (uap->which) { 1778 case 0: { /* shmat */ 1779 struct shmat_args ap; 1780 1781 ap.shmid = uap->a2; 1782 ap.shmaddr = PTRIN(uap->a3); 1783 ap.shmflg = uap->a4; 1784 return (sysent[SYS_shmat].sy_call(td, &ap)); 1785 } 1786 case 2: { /* shmdt */ 1787 struct shmdt_args ap; 1788 1789 ap.shmaddr = PTRIN(uap->a2); 1790 return (sysent[SYS_shmdt].sy_call(td, &ap)); 1791 } 1792 case 3: { /* shmget */ 1793 struct shmget_args ap; 1794 1795 ap.key = uap->a2; 1796 ap.size = uap->a3; 1797 ap.shmflg = uap->a4; 1798 return (sysent[SYS_shmget].sy_call(td, &ap)); 1799 } 1800 case 4: { /* shmctl */ 1801 struct freebsd7_freebsd32_shmctl_args ap; 1802 1803 ap.shmid = uap->a2; 1804 ap.cmd = uap->a3; 1805 ap.buf = PTRIN(uap->a4); 1806 return (freebsd7_freebsd32_shmctl(td, &ap)); 1807 } 1808 case 1: /* oshmctl */ 1809 default: 1810 return (EINVAL); 1811 } 1812#else 1813 return (nosys(td, NULL)); 1814#endif 1815} 1816 1817#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1818 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1819int 1820freebsd7_freebsd32_shmctl(struct thread *td, 1821 struct freebsd7_freebsd32_shmctl_args *uap) 1822{ 1823 int error = 0; 1824 union { 1825 struct shmid_ds shmid_ds; 1826 struct shm_info shm_info; 1827 struct shminfo shminfo; 1828 } u; 1829 union { 1830 struct shmid_ds32_old shmid_ds32; 1831 struct shm_info32 shm_info32; 1832 struct shminfo32 shminfo32; 1833 } u32; 1834 size_t sz; 1835 1836 if (uap->cmd == IPC_SET) { 1837 if ((error = copyin(uap->buf, &u32.shmid_ds32, 1838 sizeof(u32.shmid_ds32)))) 1839 goto done; 1840 freebsd32_ipcperm_old_in(&u32.shmid_ds32.shm_perm, 1841 &u.shmid_ds.shm_perm); 1842 CP(u32.shmid_ds32, u.shmid_ds, shm_segsz); 1843 CP(u32.shmid_ds32, u.shmid_ds, shm_lpid); 1844 CP(u32.shmid_ds32, u.shmid_ds, shm_cpid); 1845 CP(u32.shmid_ds32, u.shmid_ds, shm_nattch); 1846 CP(u32.shmid_ds32, u.shmid_ds, shm_atime); 1847 CP(u32.shmid_ds32, u.shmid_ds, shm_dtime); 1848 CP(u32.shmid_ds32, u.shmid_ds, shm_ctime); 1849 } 1850 1851 error = kern_shmctl(td, uap->shmid, uap->cmd, (void *)&u, &sz); 1852 if (error) 1853 goto done; 1854 1855 /* Cases in which we need to copyout */ 1856 switch (uap->cmd) { 1857 case IPC_INFO: 1858 CP(u.shminfo, u32.shminfo32, shmmax); 1859 CP(u.shminfo, u32.shminfo32, shmmin); 1860 CP(u.shminfo, u32.shminfo32, shmmni); 1861 CP(u.shminfo, u32.shminfo32, shmseg); 1862 CP(u.shminfo, u32.shminfo32, shmall); 1863 error = copyout(&u32.shminfo32, uap->buf, 1864 sizeof(u32.shminfo32)); 1865 break; 1866 case SHM_INFO: 1867 CP(u.shm_info, u32.shm_info32, used_ids); 1868 CP(u.shm_info, u32.shm_info32, shm_rss); 1869 CP(u.shm_info, u32.shm_info32, shm_tot); 1870 CP(u.shm_info, u32.shm_info32, shm_swp); 1871 CP(u.shm_info, u32.shm_info32, swap_attempts); 1872 CP(u.shm_info, u32.shm_info32, swap_successes); 1873 error = copyout(&u32.shm_info32, uap->buf, 1874 sizeof(u32.shm_info32)); 1875 break; 1876 case SHM_STAT: 1877 case IPC_STAT: 1878 freebsd32_ipcperm_old_out(&u.shmid_ds.shm_perm, 1879 &u32.shmid_ds32.shm_perm); 1880 if (u.shmid_ds.shm_segsz > INT32_MAX) 1881 u32.shmid_ds32.shm_segsz = INT32_MAX; 1882 else 1883 CP(u.shmid_ds, u32.shmid_ds32, shm_segsz); 1884 CP(u.shmid_ds, u32.shmid_ds32, shm_lpid); 1885 CP(u.shmid_ds, u32.shmid_ds32, shm_cpid); 1886 CP(u.shmid_ds, u32.shmid_ds32, shm_nattch); 1887 CP(u.shmid_ds, u32.shmid_ds32, shm_atime); 1888 CP(u.shmid_ds, u32.shmid_ds32, shm_dtime); 1889 CP(u.shmid_ds, u32.shmid_ds32, shm_ctime); 1890 u32.shmid_ds32.shm_internal = 0; 1891 error = copyout(&u32.shmid_ds32, uap->buf, 1892 sizeof(u32.shmid_ds32)); 1893 break; 1894 } 1895 1896done: 1897 if (error) { 1898 /* Invalidate the return value */ 1899 td->td_retval[0] = -1; 1900 } 1901 return (error); 1902} 1903#endif 1904 1905int 1906freebsd32_shmctl(struct thread *td, struct freebsd32_shmctl_args *uap) 1907{ 1908 int error = 0; 1909 union { 1910 struct shmid_ds shmid_ds; 1911 struct shm_info shm_info; 1912 struct shminfo shminfo; 1913 } u; 1914 union { 1915 struct shmid_ds32 shmid_ds32; 1916 struct shm_info32 shm_info32; 1917 struct shminfo32 shminfo32; 1918 } u32; 1919 size_t sz; 1920 1921 if (uap->cmd == IPC_SET) { 1922 if ((error = copyin(uap->buf, &u32.shmid_ds32, 1923 sizeof(u32.shmid_ds32)))) 1924 goto done; 1925 freebsd32_ipcperm_in(&u32.shmid_ds32.shm_perm, 1926 &u.shmid_ds.shm_perm); 1927 CP(u32.shmid_ds32, u.shmid_ds, shm_segsz); 1928 CP(u32.shmid_ds32, u.shmid_ds, shm_lpid); 1929 CP(u32.shmid_ds32, u.shmid_ds, shm_cpid); 1930 CP(u32.shmid_ds32, u.shmid_ds, shm_nattch); 1931 CP(u32.shmid_ds32, u.shmid_ds, shm_atime); 1932 CP(u32.shmid_ds32, u.shmid_ds, shm_dtime); 1933 CP(u32.shmid_ds32, u.shmid_ds, shm_ctime); 1934 } 1935 1936 error = kern_shmctl(td, uap->shmid, uap->cmd, (void *)&u, &sz); 1937 if (error) 1938 goto done; 1939 1940 /* Cases in which we need to copyout */ 1941 switch (uap->cmd) { 1942 case IPC_INFO: 1943 CP(u.shminfo, u32.shminfo32, shmmax); 1944 CP(u.shminfo, u32.shminfo32, shmmin); 1945 CP(u.shminfo, u32.shminfo32, shmmni); 1946 CP(u.shminfo, u32.shminfo32, shmseg); 1947 CP(u.shminfo, u32.shminfo32, shmall); 1948 error = copyout(&u32.shminfo32, uap->buf, 1949 sizeof(u32.shminfo32)); 1950 break; 1951 case SHM_INFO: 1952 CP(u.shm_info, u32.shm_info32, used_ids); 1953 CP(u.shm_info, u32.shm_info32, shm_rss); 1954 CP(u.shm_info, u32.shm_info32, shm_tot); 1955 CP(u.shm_info, u32.shm_info32, shm_swp); 1956 CP(u.shm_info, u32.shm_info32, swap_attempts); 1957 CP(u.shm_info, u32.shm_info32, swap_successes); 1958 error = copyout(&u32.shm_info32, uap->buf, 1959 sizeof(u32.shm_info32)); 1960 break; 1961 case SHM_STAT: 1962 case IPC_STAT: 1963 freebsd32_ipcperm_out(&u.shmid_ds.shm_perm, 1964 &u32.shmid_ds32.shm_perm); 1965 if (u.shmid_ds.shm_segsz > INT32_MAX) 1966 u32.shmid_ds32.shm_segsz = INT32_MAX; 1967 else 1968 CP(u.shmid_ds, u32.shmid_ds32, shm_segsz); 1969 CP(u.shmid_ds, u32.shmid_ds32, shm_lpid); 1970 CP(u.shmid_ds, u32.shmid_ds32, shm_cpid); 1971 CP(u.shmid_ds, u32.shmid_ds32, shm_nattch); 1972 CP(u.shmid_ds, u32.shmid_ds32, shm_atime); 1973 CP(u.shmid_ds, u32.shmid_ds32, shm_dtime); 1974 CP(u.shmid_ds, u32.shmid_ds32, shm_ctime); 1975 error = copyout(&u32.shmid_ds32, uap->buf, 1976 sizeof(u32.shmid_ds32)); 1977 break; 1978 } 1979 1980done: 1981 if (error) { 1982 /* Invalidate the return value */ 1983 td->td_retval[0] = -1; 1984 } 1985 return (error); 1986} 1987 1988int 1989freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1990{ 1991 struct pread_args ap; 1992 1993 ap.fd = uap->fd; 1994 ap.buf = uap->buf; 1995 ap.nbyte = uap->nbyte; 1996 ap.offset = PAIR32TO64(off_t,uap->offset); 1997 return (pread(td, &ap)); 1998} 1999 2000int 2001freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 2002{ 2003 struct pwrite_args ap; 2004 2005 ap.fd = uap->fd; 2006 ap.buf = uap->buf; 2007 ap.nbyte = uap->nbyte; 2008 ap.offset = PAIR32TO64(off_t,uap->offset); 2009 return (pwrite(td, &ap)); 2010} 2011 2012int 2013freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 2014{ 2015 int error; 2016 struct lseek_args ap; 2017 off_t pos; 2018 2019 ap.fd = uap->fd; 2020 ap.offset = PAIR32TO64(off_t,uap->offset); 2021 ap.whence = uap->whence; 2022 error = lseek(td, &ap); 2023 /* Expand the quad return into two parts for eax and edx */ 2024 pos = *(off_t *)(td->td_retval); 2025 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 2026 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 2027 return error; 2028} 2029 2030int 2031freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 2032{ 2033 struct truncate_args ap; 2034 2035 ap.path = uap->path; 2036 ap.length = PAIR32TO64(off_t,uap->length); 2037 return (truncate(td, &ap)); 2038} 2039 2040int 2041freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 2042{ 2043 struct ftruncate_args ap; 2044 2045 ap.fd = uap->fd; 2046 ap.length = PAIR32TO64(off_t,uap->length); 2047 return (ftruncate(td, &ap)); 2048} 2049 2050int 2051freebsd32_getdirentries(struct thread *td, 2052 struct freebsd32_getdirentries_args *uap) 2053{ 2054 long base; 2055 int32_t base32; 2056 int error; 2057 2058 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base); 2059 if (error) 2060 return (error); 2061 if (uap->basep != NULL) { 2062 base32 = base; 2063 error = copyout(&base32, uap->basep, sizeof(int32_t)); 2064 } 2065 return (error); 2066} 2067 2068#ifdef COMPAT_FREEBSD6 2069/* versions with the 'int pad' argument */ 2070int 2071freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 2072{ 2073 struct pread_args ap; 2074 2075 ap.fd = uap->fd; 2076 ap.buf = uap->buf; 2077 ap.nbyte = uap->nbyte; 2078 ap.offset = PAIR32TO64(off_t,uap->offset); 2079 return (pread(td, &ap)); 2080} 2081 2082int 2083freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 2084{ 2085 struct pwrite_args ap; 2086 2087 ap.fd = uap->fd; 2088 ap.buf = uap->buf; 2089 ap.nbyte = uap->nbyte; 2090 ap.offset = PAIR32TO64(off_t,uap->offset); 2091 return (pwrite(td, &ap)); 2092} 2093 2094int 2095freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 2096{ 2097 int error; 2098 struct lseek_args ap; 2099 off_t pos; 2100 2101 ap.fd = uap->fd; 2102 ap.offset = PAIR32TO64(off_t,uap->offset); 2103 ap.whence = uap->whence; 2104 error = lseek(td, &ap); 2105 /* Expand the quad return into two parts for eax and edx */ 2106 pos = *(off_t *)(td->td_retval); 2107 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 2108 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 2109 return error; 2110} 2111 2112int 2113freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 2114{ 2115 struct truncate_args ap; 2116 2117 ap.path = uap->path; 2118 ap.length = PAIR32TO64(off_t,uap->length); 2119 return (truncate(td, &ap)); 2120} 2121 2122int 2123freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 2124{ 2125 struct ftruncate_args ap; 2126 2127 ap.fd = uap->fd; 2128 ap.length = PAIR32TO64(off_t,uap->length); 2129 return (ftruncate(td, &ap)); 2130} 2131#endif /* COMPAT_FREEBSD6 */ 2132 2133struct sf_hdtr32 { 2134 uint32_t headers; 2135 int hdr_cnt; 2136 uint32_t trailers; 2137 int trl_cnt; 2138}; 2139 2140static int 2141freebsd32_do_sendfile(struct thread *td, 2142 struct freebsd32_sendfile_args *uap, int compat) 2143{ 2144 struct sendfile_args ap; 2145 struct sf_hdtr32 hdtr32; 2146 struct sf_hdtr hdtr; 2147 struct uio *hdr_uio, *trl_uio; 2148 struct iovec32 *iov32; 2149 int error; 2150 2151 hdr_uio = trl_uio = NULL; 2152 2153 ap.fd = uap->fd; 2154 ap.s = uap->s; 2155 ap.offset = PAIR32TO64(off_t,uap->offset); 2156 ap.nbytes = uap->nbytes; 2157 ap.hdtr = (struct sf_hdtr *)uap->hdtr; /* XXX not used */ 2158 ap.sbytes = uap->sbytes; 2159 ap.flags = uap->flags; 2160 2161 if (uap->hdtr != NULL) { 2162 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 2163 if (error) 2164 goto out; 2165 PTRIN_CP(hdtr32, hdtr, headers); 2166 CP(hdtr32, hdtr, hdr_cnt); 2167 PTRIN_CP(hdtr32, hdtr, trailers); 2168 CP(hdtr32, hdtr, trl_cnt); 2169 2170 if (hdtr.headers != NULL) { 2171 iov32 = PTRIN(hdtr32.headers); 2172 error = freebsd32_copyinuio(iov32, 2173 hdtr32.hdr_cnt, &hdr_uio); 2174 if (error) 2175 goto out; 2176 } 2177 if (hdtr.trailers != NULL) { 2178 iov32 = PTRIN(hdtr32.trailers); 2179 error = freebsd32_copyinuio(iov32, 2180 hdtr32.trl_cnt, &trl_uio); 2181 if (error) 2182 goto out; 2183 } 2184 } 2185 2186 error = kern_sendfile(td, &ap, hdr_uio, trl_uio, compat); 2187out: 2188 if (hdr_uio) 2189 free(hdr_uio, M_IOV); 2190 if (trl_uio) 2191 free(trl_uio, M_IOV); 2192 return (error); 2193} 2194 2195#ifdef COMPAT_FREEBSD4 2196int 2197freebsd4_freebsd32_sendfile(struct thread *td, 2198 struct freebsd4_freebsd32_sendfile_args *uap) 2199{ 2200 return (freebsd32_do_sendfile(td, 2201 (struct freebsd32_sendfile_args *)uap, 1)); 2202} 2203#endif 2204 2205int 2206freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 2207{ 2208 2209 return (freebsd32_do_sendfile(td, uap, 0)); 2210} 2211 2212static void 2213copy_stat( struct stat *in, struct stat32 *out) 2214{ 2215 CP(*in, *out, st_dev); 2216 CP(*in, *out, st_ino); 2217 CP(*in, *out, st_mode); 2218 CP(*in, *out, st_nlink); 2219 CP(*in, *out, st_uid); 2220 CP(*in, *out, st_gid); 2221 CP(*in, *out, st_rdev); 2222 TS_CP(*in, *out, st_atimespec); 2223 TS_CP(*in, *out, st_mtimespec); 2224 TS_CP(*in, *out, st_ctimespec); 2225 CP(*in, *out, st_size); 2226 CP(*in, *out, st_blocks); 2227 CP(*in, *out, st_blksize); 2228 CP(*in, *out, st_flags); 2229 CP(*in, *out, st_gen); 2230} 2231 2232int 2233freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 2234{ 2235 struct stat sb; 2236 struct stat32 sb32; 2237 int error; 2238 2239 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 2240 if (error) 2241 return (error); 2242 copy_stat(&sb, &sb32); 2243 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2244 return (error); 2245} 2246 2247int 2248freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 2249{ 2250 struct stat ub; 2251 struct stat32 ub32; 2252 int error; 2253 2254 error = kern_fstat(td, uap->fd, &ub); 2255 if (error) 2256 return (error); 2257 copy_stat(&ub, &ub32); 2258 error = copyout(&ub32, uap->ub, sizeof(ub32)); 2259 return (error); 2260} 2261 2262int 2263freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 2264{ 2265 struct stat ub; 2266 struct stat32 ub32; 2267 int error; 2268 2269 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub); 2270 if (error) 2271 return (error); 2272 copy_stat(&ub, &ub32); 2273 error = copyout(&ub32, uap->buf, sizeof(ub32)); 2274 return (error); 2275} 2276 2277int 2278freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 2279{ 2280 struct stat sb; 2281 struct stat32 sb32; 2282 int error; 2283 2284 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 2285 if (error) 2286 return (error); 2287 copy_stat(&sb, &sb32); 2288 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2289 return (error); 2290} 2291 2292/* 2293 * MPSAFE 2294 */ 2295int 2296freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 2297{ 2298 int error, name[CTL_MAXNAME]; 2299 size_t j, oldlen; 2300 2301 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 2302 return (EINVAL); 2303 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 2304 if (error) 2305 return (error); 2306 if (uap->oldlenp) 2307 oldlen = fuword32(uap->oldlenp); 2308 else 2309 oldlen = 0; 2310 error = userland_sysctl(td, name, uap->namelen, 2311 uap->old, &oldlen, 1, 2312 uap->new, uap->newlen, &j, SCTL_MASK32); 2313 if (error && error != ENOMEM) 2314 return (error); 2315 if (uap->oldlenp) 2316 suword32(uap->oldlenp, j); 2317 return (0); 2318} 2319 2320int 2321freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 2322{ 2323 uint32_t version; 2324 int error; 2325 struct jail j; 2326 2327 error = copyin(uap->jail, &version, sizeof(uint32_t)); 2328 if (error) 2329 return (error); 2330 2331 switch (version) { 2332 case 0: 2333 { 2334 /* FreeBSD single IPv4 jails. */ 2335 struct jail32_v0 j32_v0; 2336 2337 bzero(&j, sizeof(struct jail)); 2338 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 2339 if (error) 2340 return (error); 2341 CP(j32_v0, j, version); 2342 PTRIN_CP(j32_v0, j, path); 2343 PTRIN_CP(j32_v0, j, hostname); 2344 j.ip4s = j32_v0.ip_number; 2345 break; 2346 } 2347 2348 case 1: 2349 /* 2350 * Version 1 was used by multi-IPv4 jail implementations 2351 * that never made it into the official kernel. 2352 */ 2353 return (EINVAL); 2354 2355 case 2: /* JAIL_API_VERSION */ 2356 { 2357 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 2358 struct jail32 j32; 2359 2360 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 2361 if (error) 2362 return (error); 2363 CP(j32, j, version); 2364 PTRIN_CP(j32, j, path); 2365 PTRIN_CP(j32, j, hostname); 2366 PTRIN_CP(j32, j, jailname); 2367 CP(j32, j, ip4s); 2368 CP(j32, j, ip6s); 2369 PTRIN_CP(j32, j, ip4); 2370 PTRIN_CP(j32, j, ip6); 2371 break; 2372 } 2373 2374 default: 2375 /* Sci-Fi jails are not supported, sorry. */ 2376 return (EINVAL); 2377 } 2378 return (kern_jail(td, &j)); 2379} 2380 2381int 2382freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 2383{ 2384 struct uio *auio; 2385 int error; 2386 2387 /* Check that we have an even number of iovecs. */ 2388 if (uap->iovcnt & 1) 2389 return (EINVAL); 2390 2391 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2392 if (error) 2393 return (error); 2394 error = kern_jail_set(td, auio, uap->flags); 2395 free(auio, M_IOV); 2396 return (error); 2397} 2398 2399int 2400freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 2401{ 2402 struct iovec32 iov32; 2403 struct uio *auio; 2404 int error, i; 2405 2406 /* Check that we have an even number of iovecs. */ 2407 if (uap->iovcnt & 1) 2408 return (EINVAL); 2409 2410 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2411 if (error) 2412 return (error); 2413 error = kern_jail_get(td, auio, uap->flags); 2414 if (error == 0) 2415 for (i = 0; i < uap->iovcnt; i++) { 2416 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 2417 CP(auio->uio_iov[i], iov32, iov_len); 2418 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2419 if (error != 0) 2420 break; 2421 } 2422 free(auio, M_IOV); 2423 return (error); 2424} 2425 2426int 2427freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2428{ 2429 struct sigaction32 s32; 2430 struct sigaction sa, osa, *sap; 2431 int error; 2432 2433 if (uap->act) { 2434 error = copyin(uap->act, &s32, sizeof(s32)); 2435 if (error) 2436 return (error); 2437 sa.sa_handler = PTRIN(s32.sa_u); 2438 CP(s32, sa, sa_flags); 2439 CP(s32, sa, sa_mask); 2440 sap = &sa; 2441 } else 2442 sap = NULL; 2443 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2444 if (error == 0 && uap->oact != NULL) { 2445 s32.sa_u = PTROUT(osa.sa_handler); 2446 CP(osa, s32, sa_flags); 2447 CP(osa, s32, sa_mask); 2448 error = copyout(&s32, uap->oact, sizeof(s32)); 2449 } 2450 return (error); 2451} 2452 2453#ifdef COMPAT_FREEBSD4 2454int 2455freebsd4_freebsd32_sigaction(struct thread *td, 2456 struct freebsd4_freebsd32_sigaction_args *uap) 2457{ 2458 struct sigaction32 s32; 2459 struct sigaction sa, osa, *sap; 2460 int error; 2461 2462 if (uap->act) { 2463 error = copyin(uap->act, &s32, sizeof(s32)); 2464 if (error) 2465 return (error); 2466 sa.sa_handler = PTRIN(s32.sa_u); 2467 CP(s32, sa, sa_flags); 2468 CP(s32, sa, sa_mask); 2469 sap = &sa; 2470 } else 2471 sap = NULL; 2472 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2473 if (error == 0 && uap->oact != NULL) { 2474 s32.sa_u = PTROUT(osa.sa_handler); 2475 CP(osa, s32, sa_flags); 2476 CP(osa, s32, sa_mask); 2477 error = copyout(&s32, uap->oact, sizeof(s32)); 2478 } 2479 return (error); 2480} 2481#endif 2482 2483#ifdef COMPAT_43 2484struct osigaction32 { 2485 u_int32_t sa_u; 2486 osigset_t sa_mask; 2487 int sa_flags; 2488}; 2489 2490#define ONSIG 32 2491 2492int 2493ofreebsd32_sigaction(struct thread *td, 2494 struct ofreebsd32_sigaction_args *uap) 2495{ 2496 struct osigaction32 s32; 2497 struct sigaction sa, osa, *sap; 2498 int error; 2499 2500 if (uap->signum <= 0 || uap->signum >= ONSIG) 2501 return (EINVAL); 2502 2503 if (uap->nsa) { 2504 error = copyin(uap->nsa, &s32, sizeof(s32)); 2505 if (error) 2506 return (error); 2507 sa.sa_handler = PTRIN(s32.sa_u); 2508 CP(s32, sa, sa_flags); 2509 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2510 sap = &sa; 2511 } else 2512 sap = NULL; 2513 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2514 if (error == 0 && uap->osa != NULL) { 2515 s32.sa_u = PTROUT(osa.sa_handler); 2516 CP(osa, s32, sa_flags); 2517 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2518 error = copyout(&s32, uap->osa, sizeof(s32)); 2519 } 2520 return (error); 2521} 2522 2523int 2524ofreebsd32_sigprocmask(struct thread *td, 2525 struct ofreebsd32_sigprocmask_args *uap) 2526{ 2527 sigset_t set, oset; 2528 int error; 2529 2530 OSIG2SIG(uap->mask, set); 2531 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2532 SIG2OSIG(oset, td->td_retval[0]); 2533 return (error); 2534} 2535 2536int 2537ofreebsd32_sigpending(struct thread *td, 2538 struct ofreebsd32_sigpending_args *uap) 2539{ 2540 struct proc *p = td->td_proc; 2541 sigset_t siglist; 2542 2543 PROC_LOCK(p); 2544 siglist = p->p_siglist; 2545 SIGSETOR(siglist, td->td_siglist); 2546 PROC_UNLOCK(p); 2547 SIG2OSIG(siglist, td->td_retval[0]); 2548 return (0); 2549} 2550 2551struct sigvec32 { 2552 u_int32_t sv_handler; 2553 int sv_mask; 2554 int sv_flags; 2555}; 2556 2557int 2558ofreebsd32_sigvec(struct thread *td, 2559 struct ofreebsd32_sigvec_args *uap) 2560{ 2561 struct sigvec32 vec; 2562 struct sigaction sa, osa, *sap; 2563 int error; 2564 2565 if (uap->signum <= 0 || uap->signum >= ONSIG) 2566 return (EINVAL); 2567 2568 if (uap->nsv) { 2569 error = copyin(uap->nsv, &vec, sizeof(vec)); 2570 if (error) 2571 return (error); 2572 sa.sa_handler = PTRIN(vec.sv_handler); 2573 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2574 sa.sa_flags = vec.sv_flags; 2575 sa.sa_flags ^= SA_RESTART; 2576 sap = &sa; 2577 } else 2578 sap = NULL; 2579 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2580 if (error == 0 && uap->osv != NULL) { 2581 vec.sv_handler = PTROUT(osa.sa_handler); 2582 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2583 vec.sv_flags = osa.sa_flags; 2584 vec.sv_flags &= ~SA_NOCLDWAIT; 2585 vec.sv_flags ^= SA_RESTART; 2586 error = copyout(&vec, uap->osv, sizeof(vec)); 2587 } 2588 return (error); 2589} 2590 2591int 2592ofreebsd32_sigblock(struct thread *td, 2593 struct ofreebsd32_sigblock_args *uap) 2594{ 2595 sigset_t set, oset; 2596 2597 OSIG2SIG(uap->mask, set); 2598 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2599 SIG2OSIG(oset, td->td_retval[0]); 2600 return (0); 2601} 2602 2603int 2604ofreebsd32_sigsetmask(struct thread *td, 2605 struct ofreebsd32_sigsetmask_args *uap) 2606{ 2607 sigset_t set, oset; 2608 2609 OSIG2SIG(uap->mask, set); 2610 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2611 SIG2OSIG(oset, td->td_retval[0]); 2612 return (0); 2613} 2614 2615int 2616ofreebsd32_sigsuspend(struct thread *td, 2617 struct ofreebsd32_sigsuspend_args *uap) 2618{ 2619 sigset_t mask; 2620 2621 OSIG2SIG(uap->mask, mask); 2622 return (kern_sigsuspend(td, mask)); 2623} 2624 2625struct sigstack32 { 2626 u_int32_t ss_sp; 2627 int ss_onstack; 2628}; 2629 2630int 2631ofreebsd32_sigstack(struct thread *td, 2632 struct ofreebsd32_sigstack_args *uap) 2633{ 2634 struct sigstack32 s32; 2635 struct sigstack nss, oss; 2636 int error = 0, unss; 2637 2638 if (uap->nss != NULL) { 2639 error = copyin(uap->nss, &s32, sizeof(s32)); 2640 if (error) 2641 return (error); 2642 nss.ss_sp = PTRIN(s32.ss_sp); 2643 CP(s32, nss, ss_onstack); 2644 unss = 1; 2645 } else { 2646 unss = 0; 2647 } 2648 oss.ss_sp = td->td_sigstk.ss_sp; 2649 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2650 if (unss) { 2651 td->td_sigstk.ss_sp = nss.ss_sp; 2652 td->td_sigstk.ss_size = 0; 2653 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2654 td->td_pflags |= TDP_ALTSTACK; 2655 } 2656 if (uap->oss != NULL) { 2657 s32.ss_sp = PTROUT(oss.ss_sp); 2658 CP(oss, s32, ss_onstack); 2659 error = copyout(&s32, uap->oss, sizeof(s32)); 2660 } 2661 return (error); 2662} 2663#endif 2664 2665int 2666freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2667{ 2668 struct timespec32 rmt32, rqt32; 2669 struct timespec rmt, rqt; 2670 int error; 2671 2672 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2673 if (error) 2674 return (error); 2675 2676 CP(rqt32, rqt, tv_sec); 2677 CP(rqt32, rqt, tv_nsec); 2678 2679 if (uap->rmtp && 2680 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2681 return (EFAULT); 2682 error = kern_nanosleep(td, &rqt, &rmt); 2683 if (error && uap->rmtp) { 2684 int error2; 2685 2686 CP(rmt, rmt32, tv_sec); 2687 CP(rmt, rmt32, tv_nsec); 2688 2689 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2690 if (error2) 2691 error = error2; 2692 } 2693 return (error); 2694} 2695 2696int 2697freebsd32_clock_gettime(struct thread *td, 2698 struct freebsd32_clock_gettime_args *uap) 2699{ 2700 struct timespec ats; 2701 struct timespec32 ats32; 2702 int error; 2703 2704 error = kern_clock_gettime(td, uap->clock_id, &ats); 2705 if (error == 0) { 2706 CP(ats, ats32, tv_sec); 2707 CP(ats, ats32, tv_nsec); 2708 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2709 } 2710 return (error); 2711} 2712 2713int 2714freebsd32_clock_settime(struct thread *td, 2715 struct freebsd32_clock_settime_args *uap) 2716{ 2717 struct timespec ats; 2718 struct timespec32 ats32; 2719 int error; 2720 2721 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2722 if (error) 2723 return (error); 2724 CP(ats32, ats, tv_sec); 2725 CP(ats32, ats, tv_nsec); 2726 2727 return (kern_clock_settime(td, uap->clock_id, &ats)); 2728} 2729 2730int 2731freebsd32_clock_getres(struct thread *td, 2732 struct freebsd32_clock_getres_args *uap) 2733{ 2734 struct timespec ts; 2735 struct timespec32 ts32; 2736 int error; 2737 2738 if (uap->tp == NULL) 2739 return (0); 2740 error = kern_clock_getres(td, uap->clock_id, &ts); 2741 if (error == 0) { 2742 CP(ts, ts32, tv_sec); 2743 CP(ts, ts32, tv_nsec); 2744 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2745 } 2746 return (error); 2747} 2748 2749int 2750freebsd32_thr_new(struct thread *td, 2751 struct freebsd32_thr_new_args *uap) 2752{ 2753 struct thr_param32 param32; 2754 struct thr_param param; 2755 int error; 2756 2757 if (uap->param_size < 0 || 2758 uap->param_size > sizeof(struct thr_param32)) 2759 return (EINVAL); 2760 bzero(¶m, sizeof(struct thr_param)); 2761 bzero(¶m32, sizeof(struct thr_param32)); 2762 error = copyin(uap->param, ¶m32, uap->param_size); 2763 if (error != 0) 2764 return (error); 2765 param.start_func = PTRIN(param32.start_func); 2766 param.arg = PTRIN(param32.arg); 2767 param.stack_base = PTRIN(param32.stack_base); 2768 param.stack_size = param32.stack_size; 2769 param.tls_base = PTRIN(param32.tls_base); 2770 param.tls_size = param32.tls_size; 2771 param.child_tid = PTRIN(param32.child_tid); 2772 param.parent_tid = PTRIN(param32.parent_tid); 2773 param.flags = param32.flags; 2774 param.rtp = PTRIN(param32.rtp); 2775 param.spare[0] = PTRIN(param32.spare[0]); 2776 param.spare[1] = PTRIN(param32.spare[1]); 2777 param.spare[2] = PTRIN(param32.spare[2]); 2778 2779 return (kern_thr_new(td, ¶m)); 2780} 2781 2782int 2783freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2784{ 2785 struct timespec32 ts32; 2786 struct timespec ts, *tsp; 2787 int error; 2788 2789 error = 0; 2790 tsp = NULL; 2791 if (uap->timeout != NULL) { 2792 error = copyin((const void *)uap->timeout, (void *)&ts32, 2793 sizeof(struct timespec32)); 2794 if (error != 0) 2795 return (error); 2796 ts.tv_sec = ts32.tv_sec; 2797 ts.tv_nsec = ts32.tv_nsec; 2798 tsp = &ts; 2799 } 2800 return (kern_thr_suspend(td, tsp)); 2801} 2802 2803void 2804siginfo_to_siginfo32(siginfo_t *src, struct siginfo32 *dst) 2805{ 2806 bzero(dst, sizeof(*dst)); 2807 dst->si_signo = src->si_signo; 2808 dst->si_errno = src->si_errno; 2809 dst->si_code = src->si_code; 2810 dst->si_pid = src->si_pid; 2811 dst->si_uid = src->si_uid; 2812 dst->si_status = src->si_status; 2813 dst->si_addr = (uintptr_t)src->si_addr; 2814 dst->si_value.sigval_int = src->si_value.sival_int; 2815 dst->si_timerid = src->si_timerid; 2816 dst->si_overrun = src->si_overrun; 2817} 2818 2819int 2820freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2821{ 2822 struct timespec32 ts32; 2823 struct timespec ts; 2824 struct timespec *timeout; 2825 sigset_t set; 2826 ksiginfo_t ksi; 2827 struct siginfo32 si32; 2828 int error; 2829 2830 if (uap->timeout) { 2831 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2832 if (error) 2833 return (error); 2834 ts.tv_sec = ts32.tv_sec; 2835 ts.tv_nsec = ts32.tv_nsec; 2836 timeout = &ts; 2837 } else 2838 timeout = NULL; 2839 2840 error = copyin(uap->set, &set, sizeof(set)); 2841 if (error) 2842 return (error); 2843 2844 error = kern_sigtimedwait(td, set, &ksi, timeout); 2845 if (error) 2846 return (error); 2847 2848 if (uap->info) { 2849 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2850 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2851 } 2852 2853 if (error == 0) 2854 td->td_retval[0] = ksi.ksi_signo; 2855 return (error); 2856} 2857 2858/* 2859 * MPSAFE 2860 */ 2861int 2862freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2863{ 2864 ksiginfo_t ksi; 2865 struct siginfo32 si32; 2866 sigset_t set; 2867 int error; 2868 2869 error = copyin(uap->set, &set, sizeof(set)); 2870 if (error) 2871 return (error); 2872 2873 error = kern_sigtimedwait(td, set, &ksi, NULL); 2874 if (error) 2875 return (error); 2876 2877 if (uap->info) { 2878 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2879 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2880 } 2881 if (error == 0) 2882 td->td_retval[0] = ksi.ksi_signo; 2883 return (error); 2884} 2885 2886int 2887freebsd32_cpuset_setid(struct thread *td, 2888 struct freebsd32_cpuset_setid_args *uap) 2889{ 2890 struct cpuset_setid_args ap; 2891 2892 ap.which = uap->which; 2893 ap.id = PAIR32TO64(id_t,uap->id); 2894 ap.setid = uap->setid; 2895 2896 return (cpuset_setid(td, &ap)); 2897} 2898 2899int 2900freebsd32_cpuset_getid(struct thread *td, 2901 struct freebsd32_cpuset_getid_args *uap) 2902{ 2903 struct cpuset_getid_args ap; 2904 2905 ap.level = uap->level; 2906 ap.which = uap->which; 2907 ap.id = PAIR32TO64(id_t,uap->id); 2908 ap.setid = uap->setid; 2909 2910 return (cpuset_getid(td, &ap)); 2911} 2912 2913int 2914freebsd32_cpuset_getaffinity(struct thread *td, 2915 struct freebsd32_cpuset_getaffinity_args *uap) 2916{ 2917 struct cpuset_getaffinity_args ap; 2918 2919 ap.level = uap->level; 2920 ap.which = uap->which; 2921 ap.id = PAIR32TO64(id_t,uap->id); 2922 ap.cpusetsize = uap->cpusetsize; 2923 ap.mask = uap->mask; 2924 2925 return (cpuset_getaffinity(td, &ap)); 2926} 2927 2928int 2929freebsd32_cpuset_setaffinity(struct thread *td, 2930 struct freebsd32_cpuset_setaffinity_args *uap) 2931{ 2932 struct cpuset_setaffinity_args ap; 2933 2934 ap.level = uap->level; 2935 ap.which = uap->which; 2936 ap.id = PAIR32TO64(id_t,uap->id); 2937 ap.cpusetsize = uap->cpusetsize; 2938 ap.mask = uap->mask; 2939 2940 return (cpuset_setaffinity(td, &ap)); 2941} 2942 2943int 2944freebsd32_nmount(struct thread *td, 2945 struct freebsd32_nmount_args /* { 2946 struct iovec *iovp; 2947 unsigned int iovcnt; 2948 int flags; 2949 } */ *uap) 2950{ 2951 struct uio *auio; 2952 int error; 2953 2954 AUDIT_ARG_FFLAGS(uap->flags); 2955 2956 /* 2957 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2958 * userspace to set this flag, but we must filter it out if we want 2959 * MNT_UPDATE on the root file system to work. 2960 * MNT_ROOTFS should only be set in the kernel in vfs_mountroot_try(). 2961 */ 2962 uap->flags &= ~MNT_ROOTFS; 2963 2964 /* 2965 * check that we have an even number of iovec's 2966 * and that we have at least two options. 2967 */ 2968 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2969 return (EINVAL); 2970 2971 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2972 if (error) 2973 return (error); 2974 error = vfs_donmount(td, uap->flags, auio); 2975 2976 free(auio, M_IOV); 2977 return error; 2978} 2979 2980#if 0 2981int 2982freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2983{ 2984 struct yyy32 *p32, s32; 2985 struct yyy *p = NULL, s; 2986 struct xxx_arg ap; 2987 int error; 2988 2989 if (uap->zzz) { 2990 error = copyin(uap->zzz, &s32, sizeof(s32)); 2991 if (error) 2992 return (error); 2993 /* translate in */ 2994 p = &s; 2995 } 2996 error = kern_xxx(td, p); 2997 if (error) 2998 return (error); 2999 if (uap->zzz) { 3000 /* translate out */ 3001 error = copyout(&s32, p32, sizeof(s32)); 3002 } 3003 return (error); 3004} 3005#endif 3006 3007int 3008syscall32_register(int *offset, struct sysent *new_sysent, 3009 struct sysent *old_sysent) 3010{ 3011 if (*offset == NO_SYSCALL) { 3012 int i; 3013 3014 for (i = 1; i < SYS_MAXSYSCALL; ++i) 3015 if (freebsd32_sysent[i].sy_call == 3016 (sy_call_t *)lkmnosys) 3017 break; 3018 if (i == SYS_MAXSYSCALL) 3019 return (ENFILE); 3020 *offset = i; 3021 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 3022 return (EINVAL); 3023 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 3024 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 3025 return (EEXIST); 3026 3027 *old_sysent = freebsd32_sysent[*offset]; 3028 freebsd32_sysent[*offset] = *new_sysent; 3029 return 0; 3030} 3031 3032int 3033syscall32_deregister(int *offset, struct sysent *old_sysent) 3034{ 3035 3036 if (*offset) 3037 freebsd32_sysent[*offset] = *old_sysent; 3038 return 0; 3039} 3040 3041int 3042syscall32_module_handler(struct module *mod, int what, void *arg) 3043{ 3044 struct syscall_module_data *data = (struct syscall_module_data*)arg; 3045 modspecific_t ms; 3046 int error; 3047 3048 switch (what) { 3049 case MOD_LOAD: 3050 error = syscall32_register(data->offset, data->new_sysent, 3051 &data->old_sysent); 3052 if (error) { 3053 /* Leave a mark so we know to safely unload below. */ 3054 data->offset = NULL; 3055 return error; 3056 } 3057 ms.intval = *data->offset; 3058 MOD_XLOCK; 3059 module_setspecific(mod, &ms); 3060 MOD_XUNLOCK; 3061 if (data->chainevh) 3062 error = data->chainevh(mod, what, data->chainarg); 3063 return (error); 3064 case MOD_UNLOAD: 3065 /* 3066 * MOD_LOAD failed, so just return without calling the 3067 * chained handler since we didn't pass along the MOD_LOAD 3068 * event. 3069 */ 3070 if (data->offset == NULL) 3071 return (0); 3072 if (data->chainevh) { 3073 error = data->chainevh(mod, what, data->chainarg); 3074 if (error) 3075 return (error); 3076 } 3077 error = syscall32_deregister(data->offset, &data->old_sysent); 3078 return (error); 3079 default: 3080 error = EOPNOTSUPP; 3081 if (data->chainevh) 3082 error = data->chainevh(mod, what, data->chainarg); 3083 return (error); 3084 } 3085} 3086 3087register_t * 3088freebsd32_copyout_strings(struct image_params *imgp) 3089{ 3090 int argc, envc; 3091 u_int32_t *vectp; 3092 char *stringp, *destp; 3093 u_int32_t *stack_base; 3094 struct freebsd32_ps_strings *arginfo; 3095 size_t execpath_len; 3096 int szsigcode; 3097 3098 /* 3099 * Calculate string base and vector table pointers. 3100 * Also deal with signal trampoline code for this exec type. 3101 */ 3102 if (imgp->execpath != NULL && imgp->auxargs != NULL) 3103 execpath_len = strlen(imgp->execpath) + 1; 3104 else 3105 execpath_len = 0; 3106 arginfo = (struct freebsd32_ps_strings *)FREEBSD32_PS_STRINGS; 3107 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 3108 destp = (caddr_t)arginfo - szsigcode - SPARE_USRSPACE - 3109 roundup(execpath_len, sizeof(char *)) - 3110 roundup((ARG_MAX - imgp->args->stringspace), sizeof(char *)); 3111 3112 /* 3113 * install sigcode 3114 */ 3115 if (szsigcode) 3116 copyout(imgp->proc->p_sysent->sv_sigcode, 3117 ((caddr_t)arginfo - szsigcode), szsigcode); 3118 3119 /* 3120 * Copy the image path for the rtld. 3121 */ 3122 if (execpath_len != 0) { 3123 imgp->execpathp = (uintptr_t)arginfo - szsigcode - execpath_len; 3124 copyout(imgp->execpath, (void *)imgp->execpathp, 3125 execpath_len); 3126 } 3127 3128 /* 3129 * If we have a valid auxargs ptr, prepare some room 3130 * on the stack. 3131 */ 3132 if (imgp->auxargs) { 3133 /* 3134 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 3135 * lower compatibility. 3136 */ 3137 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 3138 : (AT_COUNT * 2); 3139 /* 3140 * The '+ 2' is for the null pointers at the end of each of 3141 * the arg and env vector sets,and imgp->auxarg_size is room 3142 * for argument of Runtime loader. 3143 */ 3144 vectp = (u_int32_t *) (destp - (imgp->args->argc + 3145 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 3146 sizeof(u_int32_t)); 3147 } else 3148 /* 3149 * The '+ 2' is for the null pointers at the end of each of 3150 * the arg and env vector sets 3151 */ 3152 vectp = (u_int32_t *) 3153 (destp - (imgp->args->argc + imgp->args->envc + 2) * sizeof(u_int32_t)); 3154 3155 /* 3156 * vectp also becomes our initial stack base 3157 */ 3158 stack_base = vectp; 3159 3160 stringp = imgp->args->begin_argv; 3161 argc = imgp->args->argc; 3162 envc = imgp->args->envc; 3163 /* 3164 * Copy out strings - arguments and environment. 3165 */ 3166 copyout(stringp, destp, ARG_MAX - imgp->args->stringspace); 3167 3168 /* 3169 * Fill in "ps_strings" struct for ps, w, etc. 3170 */ 3171 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 3172 suword32(&arginfo->ps_nargvstr, argc); 3173 3174 /* 3175 * Fill in argument portion of vector table. 3176 */ 3177 for (; argc > 0; --argc) { 3178 suword32(vectp++, (u_int32_t)(intptr_t)destp); 3179 while (*stringp++ != 0) 3180 destp++; 3181 destp++; 3182 } 3183 3184 /* a null vector table pointer separates the argp's from the envp's */ 3185 suword32(vectp++, 0); 3186 3187 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 3188 suword32(&arginfo->ps_nenvstr, envc); 3189 3190 /* 3191 * Fill in environment portion of vector table. 3192 */ 3193 for (; envc > 0; --envc) { 3194 suword32(vectp++, (u_int32_t)(intptr_t)destp); 3195 while (*stringp++ != 0) 3196 destp++; 3197 destp++; 3198 } 3199 3200 /* end of vector table is a null pointer */ 3201 suword32(vectp, 0); 3202 3203 return ((register_t *)stack_base); 3204} 3205 3206