freebsd32_misc.c revision 205322
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 205322 2010-03-19 11:01:51Z 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 1404int 1405freebsd32_semsys(struct thread *td, struct freebsd32_semsys_args *uap) 1406{ 1407 1408#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1409 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1410 switch (uap->which) { 1411 case 0: 1412 return (freebsd7_freebsd32_semctl(td, 1413 (struct freebsd7_freebsd32_semctl_args *)&uap->a2)); 1414 default: 1415 return (semsys(td, (struct semsys_args *)uap)); 1416 } 1417#else 1418 return (nosys(td, NULL)); 1419#endif 1420} 1421 1422#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1423 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1424int 1425freebsd7_freebsd32_semctl(struct thread *td, 1426 struct freebsd7_freebsd32_semctl_args *uap) 1427{ 1428 struct semid_ds32_old dsbuf32; 1429 struct semid_ds dsbuf; 1430 union semun semun; 1431 union semun32 arg; 1432 register_t rval; 1433 int error; 1434 1435 switch (uap->cmd) { 1436 case SEM_STAT: 1437 case IPC_SET: 1438 case IPC_STAT: 1439 case GETALL: 1440 case SETVAL: 1441 case SETALL: 1442 error = copyin(uap->arg, &arg, sizeof(arg)); 1443 if (error) 1444 return (error); 1445 break; 1446 } 1447 1448 switch (uap->cmd) { 1449 case SEM_STAT: 1450 case IPC_STAT: 1451 semun.buf = &dsbuf; 1452 break; 1453 case IPC_SET: 1454 error = copyin(PTRIN(arg.buf), &dsbuf32, sizeof(dsbuf32)); 1455 if (error) 1456 return (error); 1457 freebsd32_ipcperm_old_in(&dsbuf32.sem_perm, &dsbuf.sem_perm); 1458 PTRIN_CP(dsbuf32, dsbuf, sem_base); 1459 CP(dsbuf32, dsbuf, sem_nsems); 1460 CP(dsbuf32, dsbuf, sem_otime); 1461 CP(dsbuf32, dsbuf, sem_ctime); 1462 semun.buf = &dsbuf; 1463 break; 1464 case GETALL: 1465 case SETALL: 1466 semun.array = PTRIN(arg.array); 1467 break; 1468 case SETVAL: 1469 semun.val = arg.val; 1470 break; 1471 } 1472 1473 error = kern_semctl(td, uap->semid, uap->semnum, uap->cmd, &semun, 1474 &rval); 1475 if (error) 1476 return (error); 1477 1478 switch (uap->cmd) { 1479 case SEM_STAT: 1480 case IPC_STAT: 1481 bzero(&dsbuf32, sizeof(dsbuf32)); 1482 freebsd32_ipcperm_old_out(&dsbuf.sem_perm, &dsbuf32.sem_perm); 1483 PTROUT_CP(dsbuf, dsbuf32, sem_base); 1484 CP(dsbuf, dsbuf32, sem_nsems); 1485 CP(dsbuf, dsbuf32, sem_otime); 1486 CP(dsbuf, dsbuf32, sem_ctime); 1487 error = copyout(&dsbuf32, PTRIN(arg.buf), sizeof(dsbuf32)); 1488 break; 1489 } 1490 1491 if (error == 0) 1492 td->td_retval[0] = rval; 1493 return (error); 1494} 1495#endif 1496 1497int 1498freebsd32_semctl(struct thread *td, struct freebsd32_semctl_args *uap) 1499{ 1500 struct semid_ds32 dsbuf32; 1501 struct semid_ds dsbuf; 1502 union semun semun; 1503 union semun32 arg; 1504 register_t rval; 1505 int error; 1506 1507 switch (uap->cmd) { 1508 case SEM_STAT: 1509 case IPC_SET: 1510 case IPC_STAT: 1511 case GETALL: 1512 case SETVAL: 1513 case SETALL: 1514 error = copyin(uap->arg, &arg, sizeof(arg)); 1515 if (error) 1516 return (error); 1517 break; 1518 } 1519 1520 switch (uap->cmd) { 1521 case SEM_STAT: 1522 case IPC_STAT: 1523 semun.buf = &dsbuf; 1524 break; 1525 case IPC_SET: 1526 error = copyin(PTRIN(arg.buf), &dsbuf32, sizeof(dsbuf32)); 1527 if (error) 1528 return (error); 1529 freebsd32_ipcperm_in(&dsbuf32.sem_perm, &dsbuf.sem_perm); 1530 PTRIN_CP(dsbuf32, dsbuf, sem_base); 1531 CP(dsbuf32, dsbuf, sem_nsems); 1532 CP(dsbuf32, dsbuf, sem_otime); 1533 CP(dsbuf32, dsbuf, sem_ctime); 1534 semun.buf = &dsbuf; 1535 break; 1536 case GETALL: 1537 case SETALL: 1538 semun.array = PTRIN(arg.array); 1539 break; 1540 case SETVAL: 1541 semun.val = arg.val; 1542 break; 1543 } 1544 1545 error = kern_semctl(td, uap->semid, uap->semnum, uap->cmd, &semun, 1546 &rval); 1547 if (error) 1548 return (error); 1549 1550 switch (uap->cmd) { 1551 case SEM_STAT: 1552 case IPC_STAT: 1553 bzero(&dsbuf32, sizeof(dsbuf32)); 1554 freebsd32_ipcperm_out(&dsbuf.sem_perm, &dsbuf32.sem_perm); 1555 PTROUT_CP(dsbuf, dsbuf32, sem_base); 1556 CP(dsbuf, dsbuf32, sem_nsems); 1557 CP(dsbuf, dsbuf32, sem_otime); 1558 CP(dsbuf, dsbuf32, sem_ctime); 1559 error = copyout(&dsbuf32, PTRIN(arg.buf), sizeof(dsbuf32)); 1560 break; 1561 } 1562 1563 if (error == 0) 1564 td->td_retval[0] = rval; 1565 return (error); 1566} 1567 1568int 1569freebsd32_msgsys(struct thread *td, struct freebsd32_msgsys_args *uap) 1570{ 1571 1572#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1573 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1574 switch (uap->which) { 1575 case 0: 1576 return (freebsd7_freebsd32_msgctl(td, 1577 (struct freebsd7_freebsd32_msgctl_args *)&uap->a2)); 1578 case 2: 1579 return (freebsd32_msgsnd(td, 1580 (struct freebsd32_msgsnd_args *)&uap->a2)); 1581 case 3: 1582 return (freebsd32_msgrcv(td, 1583 (struct freebsd32_msgrcv_args *)&uap->a2)); 1584 default: 1585 return (msgsys(td, (struct msgsys_args *)uap)); 1586 } 1587#else 1588 return (nosys(td, NULL)); 1589#endif 1590} 1591 1592#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1593 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1594int 1595freebsd7_freebsd32_msgctl(struct thread *td, 1596 struct freebsd7_freebsd32_msgctl_args *uap) 1597{ 1598 struct msqid_ds msqbuf; 1599 struct msqid_ds32_old msqbuf32; 1600 int error; 1601 1602 if (uap->cmd == IPC_SET) { 1603 error = copyin(uap->buf, &msqbuf32, sizeof(msqbuf32)); 1604 if (error) 1605 return (error); 1606 freebsd32_ipcperm_old_in(&msqbuf32.msg_perm, &msqbuf.msg_perm); 1607 PTRIN_CP(msqbuf32, msqbuf, msg_first); 1608 PTRIN_CP(msqbuf32, msqbuf, msg_last); 1609 CP(msqbuf32, msqbuf, msg_cbytes); 1610 CP(msqbuf32, msqbuf, msg_qnum); 1611 CP(msqbuf32, msqbuf, msg_qbytes); 1612 CP(msqbuf32, msqbuf, msg_lspid); 1613 CP(msqbuf32, msqbuf, msg_lrpid); 1614 CP(msqbuf32, msqbuf, msg_stime); 1615 CP(msqbuf32, msqbuf, msg_rtime); 1616 CP(msqbuf32, msqbuf, msg_ctime); 1617 } 1618 error = kern_msgctl(td, uap->msqid, uap->cmd, &msqbuf); 1619 if (error) 1620 return (error); 1621 if (uap->cmd == IPC_STAT) { 1622 bzero(&msqbuf32, sizeof(msqbuf32)); 1623 freebsd32_ipcperm_old_out(&msqbuf.msg_perm, &msqbuf32.msg_perm); 1624 PTROUT_CP(msqbuf, msqbuf32, msg_first); 1625 PTROUT_CP(msqbuf, msqbuf32, msg_last); 1626 CP(msqbuf, msqbuf32, msg_cbytes); 1627 CP(msqbuf, msqbuf32, msg_qnum); 1628 CP(msqbuf, msqbuf32, msg_qbytes); 1629 CP(msqbuf, msqbuf32, msg_lspid); 1630 CP(msqbuf, msqbuf32, msg_lrpid); 1631 CP(msqbuf, msqbuf32, msg_stime); 1632 CP(msqbuf, msqbuf32, msg_rtime); 1633 CP(msqbuf, msqbuf32, msg_ctime); 1634 error = copyout(&msqbuf32, uap->buf, sizeof(struct msqid_ds32)); 1635 } 1636 return (error); 1637} 1638#endif 1639 1640int 1641freebsd32_msgctl(struct thread *td, struct freebsd32_msgctl_args *uap) 1642{ 1643 struct msqid_ds msqbuf; 1644 struct msqid_ds32 msqbuf32; 1645 int error; 1646 1647 if (uap->cmd == IPC_SET) { 1648 error = copyin(uap->buf, &msqbuf32, sizeof(msqbuf32)); 1649 if (error) 1650 return (error); 1651 freebsd32_ipcperm_in(&msqbuf32.msg_perm, &msqbuf.msg_perm); 1652 PTRIN_CP(msqbuf32, msqbuf, msg_first); 1653 PTRIN_CP(msqbuf32, msqbuf, msg_last); 1654 CP(msqbuf32, msqbuf, msg_cbytes); 1655 CP(msqbuf32, msqbuf, msg_qnum); 1656 CP(msqbuf32, msqbuf, msg_qbytes); 1657 CP(msqbuf32, msqbuf, msg_lspid); 1658 CP(msqbuf32, msqbuf, msg_lrpid); 1659 CP(msqbuf32, msqbuf, msg_stime); 1660 CP(msqbuf32, msqbuf, msg_rtime); 1661 CP(msqbuf32, msqbuf, msg_ctime); 1662 } 1663 error = kern_msgctl(td, uap->msqid, uap->cmd, &msqbuf); 1664 if (error) 1665 return (error); 1666 if (uap->cmd == IPC_STAT) { 1667 freebsd32_ipcperm_out(&msqbuf.msg_perm, &msqbuf32.msg_perm); 1668 PTROUT_CP(msqbuf, msqbuf32, msg_first); 1669 PTROUT_CP(msqbuf, msqbuf32, msg_last); 1670 CP(msqbuf, msqbuf32, msg_cbytes); 1671 CP(msqbuf, msqbuf32, msg_qnum); 1672 CP(msqbuf, msqbuf32, msg_qbytes); 1673 CP(msqbuf, msqbuf32, msg_lspid); 1674 CP(msqbuf, msqbuf32, msg_lrpid); 1675 CP(msqbuf, msqbuf32, msg_stime); 1676 CP(msqbuf, msqbuf32, msg_rtime); 1677 CP(msqbuf, msqbuf32, msg_ctime); 1678 error = copyout(&msqbuf32, uap->buf, sizeof(struct msqid_ds32)); 1679 } 1680 return (error); 1681} 1682 1683int 1684freebsd32_msgsnd(struct thread *td, struct freebsd32_msgsnd_args *uap) 1685{ 1686 const void *msgp; 1687 long mtype; 1688 int32_t mtype32; 1689 int error; 1690 1691 msgp = PTRIN(uap->msgp); 1692 if ((error = copyin(msgp, &mtype32, sizeof(mtype32))) != 0) 1693 return (error); 1694 mtype = mtype32; 1695 return (kern_msgsnd(td, uap->msqid, 1696 (const char *)msgp + sizeof(mtype32), 1697 uap->msgsz, uap->msgflg, mtype)); 1698} 1699 1700int 1701freebsd32_msgrcv(struct thread *td, struct freebsd32_msgrcv_args *uap) 1702{ 1703 void *msgp; 1704 long mtype; 1705 int32_t mtype32; 1706 int error; 1707 1708 msgp = PTRIN(uap->msgp); 1709 if ((error = kern_msgrcv(td, uap->msqid, 1710 (char *)msgp + sizeof(mtype32), uap->msgsz, 1711 uap->msgtyp, uap->msgflg, &mtype)) != 0) 1712 return (error); 1713 mtype32 = (int32_t)mtype; 1714 return (copyout(&mtype32, msgp, sizeof(mtype32))); 1715} 1716 1717int 1718freebsd32_shmsys(struct thread *td, struct freebsd32_shmsys_args *uap) 1719{ 1720 1721#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1722 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1723 switch (uap->which) { 1724 case 0: { /* shmat */ 1725 struct shmat_args ap; 1726 1727 ap.shmid = uap->a2; 1728 ap.shmaddr = PTRIN(uap->a3); 1729 ap.shmflg = uap->a4; 1730 return (sysent[SYS_shmat].sy_call(td, &ap)); 1731 } 1732 case 2: { /* shmdt */ 1733 struct shmdt_args ap; 1734 1735 ap.shmaddr = PTRIN(uap->a2); 1736 return (sysent[SYS_shmdt].sy_call(td, &ap)); 1737 } 1738 case 3: { /* shmget */ 1739 struct shmget_args ap; 1740 1741 ap.key = uap->a2; 1742 ap.size = uap->a3; 1743 ap.shmflg = uap->a4; 1744 return (sysent[SYS_shmget].sy_call(td, &ap)); 1745 } 1746 case 4: { /* shmctl */ 1747 struct freebsd7_freebsd32_shmctl_args ap; 1748 1749 ap.shmid = uap->a2; 1750 ap.cmd = uap->a3; 1751 ap.buf = PTRIN(uap->a4); 1752 return (freebsd7_freebsd32_shmctl(td, &ap)); 1753 } 1754 case 1: /* oshmctl */ 1755 default: 1756 return (EINVAL); 1757 } 1758#else 1759 return (nosys(td, NULL)); 1760#endif 1761} 1762 1763#if defined(COMPAT_FREEBSD4) || defined(COMPAT_FREEBSD5) || \ 1764 defined(COMPAT_FREEBSD6) || defined(COMPAT_FREEBSD7) 1765int 1766freebsd7_freebsd32_shmctl(struct thread *td, 1767 struct freebsd7_freebsd32_shmctl_args *uap) 1768{ 1769 int error = 0; 1770 union { 1771 struct shmid_ds shmid_ds; 1772 struct shm_info shm_info; 1773 struct shminfo shminfo; 1774 } u; 1775 union { 1776 struct shmid_ds32_old shmid_ds32; 1777 struct shm_info32 shm_info32; 1778 struct shminfo32 shminfo32; 1779 } u32; 1780 size_t sz; 1781 1782 if (uap->cmd == IPC_SET) { 1783 if ((error = copyin(uap->buf, &u32.shmid_ds32, 1784 sizeof(u32.shmid_ds32)))) 1785 goto done; 1786 freebsd32_ipcperm_old_in(&u32.shmid_ds32.shm_perm, 1787 &u.shmid_ds.shm_perm); 1788 CP(u32.shmid_ds32, u.shmid_ds, shm_segsz); 1789 CP(u32.shmid_ds32, u.shmid_ds, shm_lpid); 1790 CP(u32.shmid_ds32, u.shmid_ds, shm_cpid); 1791 CP(u32.shmid_ds32, u.shmid_ds, shm_nattch); 1792 CP(u32.shmid_ds32, u.shmid_ds, shm_atime); 1793 CP(u32.shmid_ds32, u.shmid_ds, shm_dtime); 1794 CP(u32.shmid_ds32, u.shmid_ds, shm_ctime); 1795 } 1796 1797 error = kern_shmctl(td, uap->shmid, uap->cmd, (void *)&u, &sz); 1798 if (error) 1799 goto done; 1800 1801 /* Cases in which we need to copyout */ 1802 switch (uap->cmd) { 1803 case IPC_INFO: 1804 CP(u.shminfo, u32.shminfo32, shmmax); 1805 CP(u.shminfo, u32.shminfo32, shmmin); 1806 CP(u.shminfo, u32.shminfo32, shmmni); 1807 CP(u.shminfo, u32.shminfo32, shmseg); 1808 CP(u.shminfo, u32.shminfo32, shmall); 1809 error = copyout(&u32.shminfo32, uap->buf, 1810 sizeof(u32.shminfo32)); 1811 break; 1812 case SHM_INFO: 1813 CP(u.shm_info, u32.shm_info32, used_ids); 1814 CP(u.shm_info, u32.shm_info32, shm_rss); 1815 CP(u.shm_info, u32.shm_info32, shm_tot); 1816 CP(u.shm_info, u32.shm_info32, shm_swp); 1817 CP(u.shm_info, u32.shm_info32, swap_attempts); 1818 CP(u.shm_info, u32.shm_info32, swap_successes); 1819 error = copyout(&u32.shm_info32, uap->buf, 1820 sizeof(u32.shm_info32)); 1821 break; 1822 case SHM_STAT: 1823 case IPC_STAT: 1824 freebsd32_ipcperm_old_out(&u.shmid_ds.shm_perm, 1825 &u32.shmid_ds32.shm_perm); 1826 if (u.shmid_ds.shm_segsz > INT32_MAX) 1827 u32.shmid_ds32.shm_segsz = INT32_MAX; 1828 else 1829 CP(u.shmid_ds, u32.shmid_ds32, shm_segsz); 1830 CP(u.shmid_ds, u32.shmid_ds32, shm_lpid); 1831 CP(u.shmid_ds, u32.shmid_ds32, shm_cpid); 1832 CP(u.shmid_ds, u32.shmid_ds32, shm_nattch); 1833 CP(u.shmid_ds, u32.shmid_ds32, shm_atime); 1834 CP(u.shmid_ds, u32.shmid_ds32, shm_dtime); 1835 CP(u.shmid_ds, u32.shmid_ds32, shm_ctime); 1836 u32.shmid_ds32.shm_internal = 0; 1837 error = copyout(&u32.shmid_ds32, uap->buf, 1838 sizeof(u32.shmid_ds32)); 1839 break; 1840 } 1841 1842done: 1843 if (error) { 1844 /* Invalidate the return value */ 1845 td->td_retval[0] = -1; 1846 } 1847 return (error); 1848} 1849#endif 1850 1851int 1852freebsd32_shmctl(struct thread *td, struct freebsd32_shmctl_args *uap) 1853{ 1854 int error = 0; 1855 union { 1856 struct shmid_ds shmid_ds; 1857 struct shm_info shm_info; 1858 struct shminfo shminfo; 1859 } u; 1860 union { 1861 struct shmid_ds32 shmid_ds32; 1862 struct shm_info32 shm_info32; 1863 struct shminfo32 shminfo32; 1864 } u32; 1865 size_t sz; 1866 1867 if (uap->cmd == IPC_SET) { 1868 if ((error = copyin(uap->buf, &u32.shmid_ds32, 1869 sizeof(u32.shmid_ds32)))) 1870 goto done; 1871 freebsd32_ipcperm_in(&u32.shmid_ds32.shm_perm, 1872 &u.shmid_ds.shm_perm); 1873 CP(u32.shmid_ds32, u.shmid_ds, shm_segsz); 1874 CP(u32.shmid_ds32, u.shmid_ds, shm_lpid); 1875 CP(u32.shmid_ds32, u.shmid_ds, shm_cpid); 1876 CP(u32.shmid_ds32, u.shmid_ds, shm_nattch); 1877 CP(u32.shmid_ds32, u.shmid_ds, shm_atime); 1878 CP(u32.shmid_ds32, u.shmid_ds, shm_dtime); 1879 CP(u32.shmid_ds32, u.shmid_ds, shm_ctime); 1880 } 1881 1882 error = kern_shmctl(td, uap->shmid, uap->cmd, (void *)&u, &sz); 1883 if (error) 1884 goto done; 1885 1886 /* Cases in which we need to copyout */ 1887 switch (uap->cmd) { 1888 case IPC_INFO: 1889 CP(u.shminfo, u32.shminfo32, shmmax); 1890 CP(u.shminfo, u32.shminfo32, shmmin); 1891 CP(u.shminfo, u32.shminfo32, shmmni); 1892 CP(u.shminfo, u32.shminfo32, shmseg); 1893 CP(u.shminfo, u32.shminfo32, shmall); 1894 error = copyout(&u32.shminfo32, uap->buf, 1895 sizeof(u32.shminfo32)); 1896 break; 1897 case SHM_INFO: 1898 CP(u.shm_info, u32.shm_info32, used_ids); 1899 CP(u.shm_info, u32.shm_info32, shm_rss); 1900 CP(u.shm_info, u32.shm_info32, shm_tot); 1901 CP(u.shm_info, u32.shm_info32, shm_swp); 1902 CP(u.shm_info, u32.shm_info32, swap_attempts); 1903 CP(u.shm_info, u32.shm_info32, swap_successes); 1904 error = copyout(&u32.shm_info32, uap->buf, 1905 sizeof(u32.shm_info32)); 1906 break; 1907 case SHM_STAT: 1908 case IPC_STAT: 1909 freebsd32_ipcperm_out(&u.shmid_ds.shm_perm, 1910 &u32.shmid_ds32.shm_perm); 1911 if (u.shmid_ds.shm_segsz > INT32_MAX) 1912 u32.shmid_ds32.shm_segsz = INT32_MAX; 1913 else 1914 CP(u.shmid_ds, u32.shmid_ds32, shm_segsz); 1915 CP(u.shmid_ds, u32.shmid_ds32, shm_lpid); 1916 CP(u.shmid_ds, u32.shmid_ds32, shm_cpid); 1917 CP(u.shmid_ds, u32.shmid_ds32, shm_nattch); 1918 CP(u.shmid_ds, u32.shmid_ds32, shm_atime); 1919 CP(u.shmid_ds, u32.shmid_ds32, shm_dtime); 1920 CP(u.shmid_ds, u32.shmid_ds32, shm_ctime); 1921 error = copyout(&u32.shmid_ds32, uap->buf, 1922 sizeof(u32.shmid_ds32)); 1923 break; 1924 } 1925 1926done: 1927 if (error) { 1928 /* Invalidate the return value */ 1929 td->td_retval[0] = -1; 1930 } 1931 return (error); 1932} 1933 1934int 1935freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1936{ 1937 struct pread_args ap; 1938 1939 ap.fd = uap->fd; 1940 ap.buf = uap->buf; 1941 ap.nbyte = uap->nbyte; 1942 ap.offset = PAIR32TO64(off_t,uap->offset); 1943 return (pread(td, &ap)); 1944} 1945 1946int 1947freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1948{ 1949 struct pwrite_args ap; 1950 1951 ap.fd = uap->fd; 1952 ap.buf = uap->buf; 1953 ap.nbyte = uap->nbyte; 1954 ap.offset = PAIR32TO64(off_t,uap->offset); 1955 return (pwrite(td, &ap)); 1956} 1957 1958int 1959freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1960{ 1961 int error; 1962 struct lseek_args ap; 1963 off_t pos; 1964 1965 ap.fd = uap->fd; 1966 ap.offset = PAIR32TO64(off_t,uap->offset); 1967 ap.whence = uap->whence; 1968 error = lseek(td, &ap); 1969 /* Expand the quad return into two parts for eax and edx */ 1970 pos = *(off_t *)(td->td_retval); 1971 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1972 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1973 return error; 1974} 1975 1976int 1977freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1978{ 1979 struct truncate_args ap; 1980 1981 ap.path = uap->path; 1982 ap.length = PAIR32TO64(off_t,uap->length); 1983 return (truncate(td, &ap)); 1984} 1985 1986int 1987freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1988{ 1989 struct ftruncate_args ap; 1990 1991 ap.fd = uap->fd; 1992 ap.length = PAIR32TO64(off_t,uap->length); 1993 return (ftruncate(td, &ap)); 1994} 1995 1996int 1997freebsd32_getdirentries(struct thread *td, 1998 struct freebsd32_getdirentries_args *uap) 1999{ 2000 long base; 2001 int32_t base32; 2002 int error; 2003 2004 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base); 2005 if (error) 2006 return (error); 2007 if (uap->basep != NULL) { 2008 base32 = base; 2009 error = copyout(&base32, uap->basep, sizeof(int32_t)); 2010 } 2011 return (error); 2012} 2013 2014#ifdef COMPAT_FREEBSD6 2015/* versions with the 'int pad' argument */ 2016int 2017freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 2018{ 2019 struct pread_args ap; 2020 2021 ap.fd = uap->fd; 2022 ap.buf = uap->buf; 2023 ap.nbyte = uap->nbyte; 2024 ap.offset = PAIR32TO64(off_t,uap->offset); 2025 return (pread(td, &ap)); 2026} 2027 2028int 2029freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 2030{ 2031 struct pwrite_args ap; 2032 2033 ap.fd = uap->fd; 2034 ap.buf = uap->buf; 2035 ap.nbyte = uap->nbyte; 2036 ap.offset = PAIR32TO64(off_t,uap->offset); 2037 return (pwrite(td, &ap)); 2038} 2039 2040int 2041freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 2042{ 2043 int error; 2044 struct lseek_args ap; 2045 off_t pos; 2046 2047 ap.fd = uap->fd; 2048 ap.offset = PAIR32TO64(off_t,uap->offset); 2049 ap.whence = uap->whence; 2050 error = lseek(td, &ap); 2051 /* Expand the quad return into two parts for eax and edx */ 2052 pos = *(off_t *)(td->td_retval); 2053 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 2054 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 2055 return error; 2056} 2057 2058int 2059freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 2060{ 2061 struct truncate_args ap; 2062 2063 ap.path = uap->path; 2064 ap.length = PAIR32TO64(off_t,uap->length); 2065 return (truncate(td, &ap)); 2066} 2067 2068int 2069freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 2070{ 2071 struct ftruncate_args ap; 2072 2073 ap.fd = uap->fd; 2074 ap.length = PAIR32TO64(off_t,uap->length); 2075 return (ftruncate(td, &ap)); 2076} 2077#endif /* COMPAT_FREEBSD6 */ 2078 2079struct sf_hdtr32 { 2080 uint32_t headers; 2081 int hdr_cnt; 2082 uint32_t trailers; 2083 int trl_cnt; 2084}; 2085 2086static int 2087freebsd32_do_sendfile(struct thread *td, 2088 struct freebsd32_sendfile_args *uap, int compat) 2089{ 2090 struct sendfile_args ap; 2091 struct sf_hdtr32 hdtr32; 2092 struct sf_hdtr hdtr; 2093 struct uio *hdr_uio, *trl_uio; 2094 struct iovec32 *iov32; 2095 int error; 2096 2097 hdr_uio = trl_uio = NULL; 2098 2099 ap.fd = uap->fd; 2100 ap.s = uap->s; 2101 ap.offset = PAIR32TO64(off_t,uap->offset); 2102 ap.nbytes = uap->nbytes; 2103 ap.hdtr = (struct sf_hdtr *)uap->hdtr; /* XXX not used */ 2104 ap.sbytes = uap->sbytes; 2105 ap.flags = uap->flags; 2106 2107 if (uap->hdtr != NULL) { 2108 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 2109 if (error) 2110 goto out; 2111 PTRIN_CP(hdtr32, hdtr, headers); 2112 CP(hdtr32, hdtr, hdr_cnt); 2113 PTRIN_CP(hdtr32, hdtr, trailers); 2114 CP(hdtr32, hdtr, trl_cnt); 2115 2116 if (hdtr.headers != NULL) { 2117 iov32 = PTRIN(hdtr32.headers); 2118 error = freebsd32_copyinuio(iov32, 2119 hdtr32.hdr_cnt, &hdr_uio); 2120 if (error) 2121 goto out; 2122 } 2123 if (hdtr.trailers != NULL) { 2124 iov32 = PTRIN(hdtr32.trailers); 2125 error = freebsd32_copyinuio(iov32, 2126 hdtr32.trl_cnt, &trl_uio); 2127 if (error) 2128 goto out; 2129 } 2130 } 2131 2132 error = kern_sendfile(td, &ap, hdr_uio, trl_uio, compat); 2133out: 2134 if (hdr_uio) 2135 free(hdr_uio, M_IOV); 2136 if (trl_uio) 2137 free(trl_uio, M_IOV); 2138 return (error); 2139} 2140 2141#ifdef COMPAT_FREEBSD4 2142int 2143freebsd4_freebsd32_sendfile(struct thread *td, 2144 struct freebsd4_freebsd32_sendfile_args *uap) 2145{ 2146 return (freebsd32_do_sendfile(td, 2147 (struct freebsd32_sendfile_args *)uap, 1)); 2148} 2149#endif 2150 2151int 2152freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 2153{ 2154 2155 return (freebsd32_do_sendfile(td, uap, 0)); 2156} 2157 2158static void 2159copy_stat( struct stat *in, struct stat32 *out) 2160{ 2161 CP(*in, *out, st_dev); 2162 CP(*in, *out, st_ino); 2163 CP(*in, *out, st_mode); 2164 CP(*in, *out, st_nlink); 2165 CP(*in, *out, st_uid); 2166 CP(*in, *out, st_gid); 2167 CP(*in, *out, st_rdev); 2168 TS_CP(*in, *out, st_atimespec); 2169 TS_CP(*in, *out, st_mtimespec); 2170 TS_CP(*in, *out, st_ctimespec); 2171 CP(*in, *out, st_size); 2172 CP(*in, *out, st_blocks); 2173 CP(*in, *out, st_blksize); 2174 CP(*in, *out, st_flags); 2175 CP(*in, *out, st_gen); 2176} 2177 2178int 2179freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 2180{ 2181 struct stat sb; 2182 struct stat32 sb32; 2183 int error; 2184 2185 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 2186 if (error) 2187 return (error); 2188 copy_stat(&sb, &sb32); 2189 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2190 return (error); 2191} 2192 2193int 2194freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 2195{ 2196 struct stat ub; 2197 struct stat32 ub32; 2198 int error; 2199 2200 error = kern_fstat(td, uap->fd, &ub); 2201 if (error) 2202 return (error); 2203 copy_stat(&ub, &ub32); 2204 error = copyout(&ub32, uap->ub, sizeof(ub32)); 2205 return (error); 2206} 2207 2208int 2209freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 2210{ 2211 struct stat ub; 2212 struct stat32 ub32; 2213 int error; 2214 2215 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub); 2216 if (error) 2217 return (error); 2218 copy_stat(&ub, &ub32); 2219 error = copyout(&ub32, uap->buf, sizeof(ub32)); 2220 return (error); 2221} 2222 2223int 2224freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 2225{ 2226 struct stat sb; 2227 struct stat32 sb32; 2228 int error; 2229 2230 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 2231 if (error) 2232 return (error); 2233 copy_stat(&sb, &sb32); 2234 error = copyout(&sb32, uap->ub, sizeof (sb32)); 2235 return (error); 2236} 2237 2238/* 2239 * MPSAFE 2240 */ 2241int 2242freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 2243{ 2244 int error, name[CTL_MAXNAME]; 2245 size_t j, oldlen; 2246 2247 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 2248 return (EINVAL); 2249 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 2250 if (error) 2251 return (error); 2252 if (uap->oldlenp) 2253 oldlen = fuword32(uap->oldlenp); 2254 else 2255 oldlen = 0; 2256 error = userland_sysctl(td, name, uap->namelen, 2257 uap->old, &oldlen, 1, 2258 uap->new, uap->newlen, &j, SCTL_MASK32); 2259 if (error && error != ENOMEM) 2260 return (error); 2261 if (uap->oldlenp) 2262 suword32(uap->oldlenp, j); 2263 return (0); 2264} 2265 2266int 2267freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 2268{ 2269 uint32_t version; 2270 int error; 2271 struct jail j; 2272 2273 error = copyin(uap->jail, &version, sizeof(uint32_t)); 2274 if (error) 2275 return (error); 2276 2277 switch (version) { 2278 case 0: 2279 { 2280 /* FreeBSD single IPv4 jails. */ 2281 struct jail32_v0 j32_v0; 2282 2283 bzero(&j, sizeof(struct jail)); 2284 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 2285 if (error) 2286 return (error); 2287 CP(j32_v0, j, version); 2288 PTRIN_CP(j32_v0, j, path); 2289 PTRIN_CP(j32_v0, j, hostname); 2290 j.ip4s = j32_v0.ip_number; 2291 break; 2292 } 2293 2294 case 1: 2295 /* 2296 * Version 1 was used by multi-IPv4 jail implementations 2297 * that never made it into the official kernel. 2298 */ 2299 return (EINVAL); 2300 2301 case 2: /* JAIL_API_VERSION */ 2302 { 2303 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 2304 struct jail32 j32; 2305 2306 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 2307 if (error) 2308 return (error); 2309 CP(j32, j, version); 2310 PTRIN_CP(j32, j, path); 2311 PTRIN_CP(j32, j, hostname); 2312 PTRIN_CP(j32, j, jailname); 2313 CP(j32, j, ip4s); 2314 CP(j32, j, ip6s); 2315 PTRIN_CP(j32, j, ip4); 2316 PTRIN_CP(j32, j, ip6); 2317 break; 2318 } 2319 2320 default: 2321 /* Sci-Fi jails are not supported, sorry. */ 2322 return (EINVAL); 2323 } 2324 return (kern_jail(td, &j)); 2325} 2326 2327int 2328freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 2329{ 2330 struct uio *auio; 2331 int error; 2332 2333 /* Check that we have an even number of iovecs. */ 2334 if (uap->iovcnt & 1) 2335 return (EINVAL); 2336 2337 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2338 if (error) 2339 return (error); 2340 error = kern_jail_set(td, auio, uap->flags); 2341 free(auio, M_IOV); 2342 return (error); 2343} 2344 2345int 2346freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 2347{ 2348 struct iovec32 iov32; 2349 struct uio *auio; 2350 int error, i; 2351 2352 /* Check that we have an even number of iovecs. */ 2353 if (uap->iovcnt & 1) 2354 return (EINVAL); 2355 2356 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2357 if (error) 2358 return (error); 2359 error = kern_jail_get(td, auio, uap->flags); 2360 if (error == 0) 2361 for (i = 0; i < uap->iovcnt; i++) { 2362 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 2363 CP(auio->uio_iov[i], iov32, iov_len); 2364 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2365 if (error != 0) 2366 break; 2367 } 2368 free(auio, M_IOV); 2369 return (error); 2370} 2371 2372int 2373freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2374{ 2375 struct sigaction32 s32; 2376 struct sigaction sa, osa, *sap; 2377 int error; 2378 2379 if (uap->act) { 2380 error = copyin(uap->act, &s32, sizeof(s32)); 2381 if (error) 2382 return (error); 2383 sa.sa_handler = PTRIN(s32.sa_u); 2384 CP(s32, sa, sa_flags); 2385 CP(s32, sa, sa_mask); 2386 sap = &sa; 2387 } else 2388 sap = NULL; 2389 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2390 if (error == 0 && uap->oact != NULL) { 2391 s32.sa_u = PTROUT(osa.sa_handler); 2392 CP(osa, s32, sa_flags); 2393 CP(osa, s32, sa_mask); 2394 error = copyout(&s32, uap->oact, sizeof(s32)); 2395 } 2396 return (error); 2397} 2398 2399#ifdef COMPAT_FREEBSD4 2400int 2401freebsd4_freebsd32_sigaction(struct thread *td, 2402 struct freebsd4_freebsd32_sigaction_args *uap) 2403{ 2404 struct sigaction32 s32; 2405 struct sigaction sa, osa, *sap; 2406 int error; 2407 2408 if (uap->act) { 2409 error = copyin(uap->act, &s32, sizeof(s32)); 2410 if (error) 2411 return (error); 2412 sa.sa_handler = PTRIN(s32.sa_u); 2413 CP(s32, sa, sa_flags); 2414 CP(s32, sa, sa_mask); 2415 sap = &sa; 2416 } else 2417 sap = NULL; 2418 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2419 if (error == 0 && uap->oact != NULL) { 2420 s32.sa_u = PTROUT(osa.sa_handler); 2421 CP(osa, s32, sa_flags); 2422 CP(osa, s32, sa_mask); 2423 error = copyout(&s32, uap->oact, sizeof(s32)); 2424 } 2425 return (error); 2426} 2427#endif 2428 2429#ifdef COMPAT_43 2430struct osigaction32 { 2431 u_int32_t sa_u; 2432 osigset_t sa_mask; 2433 int sa_flags; 2434}; 2435 2436#define ONSIG 32 2437 2438int 2439ofreebsd32_sigaction(struct thread *td, 2440 struct ofreebsd32_sigaction_args *uap) 2441{ 2442 struct osigaction32 s32; 2443 struct sigaction sa, osa, *sap; 2444 int error; 2445 2446 if (uap->signum <= 0 || uap->signum >= ONSIG) 2447 return (EINVAL); 2448 2449 if (uap->nsa) { 2450 error = copyin(uap->nsa, &s32, sizeof(s32)); 2451 if (error) 2452 return (error); 2453 sa.sa_handler = PTRIN(s32.sa_u); 2454 CP(s32, sa, sa_flags); 2455 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2456 sap = &sa; 2457 } else 2458 sap = NULL; 2459 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2460 if (error == 0 && uap->osa != NULL) { 2461 s32.sa_u = PTROUT(osa.sa_handler); 2462 CP(osa, s32, sa_flags); 2463 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2464 error = copyout(&s32, uap->osa, sizeof(s32)); 2465 } 2466 return (error); 2467} 2468 2469int 2470ofreebsd32_sigprocmask(struct thread *td, 2471 struct ofreebsd32_sigprocmask_args *uap) 2472{ 2473 sigset_t set, oset; 2474 int error; 2475 2476 OSIG2SIG(uap->mask, set); 2477 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2478 SIG2OSIG(oset, td->td_retval[0]); 2479 return (error); 2480} 2481 2482int 2483ofreebsd32_sigpending(struct thread *td, 2484 struct ofreebsd32_sigpending_args *uap) 2485{ 2486 struct proc *p = td->td_proc; 2487 sigset_t siglist; 2488 2489 PROC_LOCK(p); 2490 siglist = p->p_siglist; 2491 SIGSETOR(siglist, td->td_siglist); 2492 PROC_UNLOCK(p); 2493 SIG2OSIG(siglist, td->td_retval[0]); 2494 return (0); 2495} 2496 2497struct sigvec32 { 2498 u_int32_t sv_handler; 2499 int sv_mask; 2500 int sv_flags; 2501}; 2502 2503int 2504ofreebsd32_sigvec(struct thread *td, 2505 struct ofreebsd32_sigvec_args *uap) 2506{ 2507 struct sigvec32 vec; 2508 struct sigaction sa, osa, *sap; 2509 int error; 2510 2511 if (uap->signum <= 0 || uap->signum >= ONSIG) 2512 return (EINVAL); 2513 2514 if (uap->nsv) { 2515 error = copyin(uap->nsv, &vec, sizeof(vec)); 2516 if (error) 2517 return (error); 2518 sa.sa_handler = PTRIN(vec.sv_handler); 2519 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2520 sa.sa_flags = vec.sv_flags; 2521 sa.sa_flags ^= SA_RESTART; 2522 sap = &sa; 2523 } else 2524 sap = NULL; 2525 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2526 if (error == 0 && uap->osv != NULL) { 2527 vec.sv_handler = PTROUT(osa.sa_handler); 2528 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2529 vec.sv_flags = osa.sa_flags; 2530 vec.sv_flags &= ~SA_NOCLDWAIT; 2531 vec.sv_flags ^= SA_RESTART; 2532 error = copyout(&vec, uap->osv, sizeof(vec)); 2533 } 2534 return (error); 2535} 2536 2537int 2538ofreebsd32_sigblock(struct thread *td, 2539 struct ofreebsd32_sigblock_args *uap) 2540{ 2541 sigset_t set, oset; 2542 2543 OSIG2SIG(uap->mask, set); 2544 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2545 SIG2OSIG(oset, td->td_retval[0]); 2546 return (0); 2547} 2548 2549int 2550ofreebsd32_sigsetmask(struct thread *td, 2551 struct ofreebsd32_sigsetmask_args *uap) 2552{ 2553 sigset_t set, oset; 2554 2555 OSIG2SIG(uap->mask, set); 2556 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2557 SIG2OSIG(oset, td->td_retval[0]); 2558 return (0); 2559} 2560 2561int 2562ofreebsd32_sigsuspend(struct thread *td, 2563 struct ofreebsd32_sigsuspend_args *uap) 2564{ 2565 sigset_t mask; 2566 2567 OSIG2SIG(uap->mask, mask); 2568 return (kern_sigsuspend(td, mask)); 2569} 2570 2571struct sigstack32 { 2572 u_int32_t ss_sp; 2573 int ss_onstack; 2574}; 2575 2576int 2577ofreebsd32_sigstack(struct thread *td, 2578 struct ofreebsd32_sigstack_args *uap) 2579{ 2580 struct sigstack32 s32; 2581 struct sigstack nss, oss; 2582 int error = 0, unss; 2583 2584 if (uap->nss != NULL) { 2585 error = copyin(uap->nss, &s32, sizeof(s32)); 2586 if (error) 2587 return (error); 2588 nss.ss_sp = PTRIN(s32.ss_sp); 2589 CP(s32, nss, ss_onstack); 2590 unss = 1; 2591 } else { 2592 unss = 0; 2593 } 2594 oss.ss_sp = td->td_sigstk.ss_sp; 2595 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2596 if (unss) { 2597 td->td_sigstk.ss_sp = nss.ss_sp; 2598 td->td_sigstk.ss_size = 0; 2599 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2600 td->td_pflags |= TDP_ALTSTACK; 2601 } 2602 if (uap->oss != NULL) { 2603 s32.ss_sp = PTROUT(oss.ss_sp); 2604 CP(oss, s32, ss_onstack); 2605 error = copyout(&s32, uap->oss, sizeof(s32)); 2606 } 2607 return (error); 2608} 2609#endif 2610 2611int 2612freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2613{ 2614 struct timespec32 rmt32, rqt32; 2615 struct timespec rmt, rqt; 2616 int error; 2617 2618 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2619 if (error) 2620 return (error); 2621 2622 CP(rqt32, rqt, tv_sec); 2623 CP(rqt32, rqt, tv_nsec); 2624 2625 if (uap->rmtp && 2626 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2627 return (EFAULT); 2628 error = kern_nanosleep(td, &rqt, &rmt); 2629 if (error && uap->rmtp) { 2630 int error2; 2631 2632 CP(rmt, rmt32, tv_sec); 2633 CP(rmt, rmt32, tv_nsec); 2634 2635 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2636 if (error2) 2637 error = error2; 2638 } 2639 return (error); 2640} 2641 2642int 2643freebsd32_clock_gettime(struct thread *td, 2644 struct freebsd32_clock_gettime_args *uap) 2645{ 2646 struct timespec ats; 2647 struct timespec32 ats32; 2648 int error; 2649 2650 error = kern_clock_gettime(td, uap->clock_id, &ats); 2651 if (error == 0) { 2652 CP(ats, ats32, tv_sec); 2653 CP(ats, ats32, tv_nsec); 2654 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2655 } 2656 return (error); 2657} 2658 2659int 2660freebsd32_clock_settime(struct thread *td, 2661 struct freebsd32_clock_settime_args *uap) 2662{ 2663 struct timespec ats; 2664 struct timespec32 ats32; 2665 int error; 2666 2667 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2668 if (error) 2669 return (error); 2670 CP(ats32, ats, tv_sec); 2671 CP(ats32, ats, tv_nsec); 2672 2673 return (kern_clock_settime(td, uap->clock_id, &ats)); 2674} 2675 2676int 2677freebsd32_clock_getres(struct thread *td, 2678 struct freebsd32_clock_getres_args *uap) 2679{ 2680 struct timespec ts; 2681 struct timespec32 ts32; 2682 int error; 2683 2684 if (uap->tp == NULL) 2685 return (0); 2686 error = kern_clock_getres(td, uap->clock_id, &ts); 2687 if (error == 0) { 2688 CP(ts, ts32, tv_sec); 2689 CP(ts, ts32, tv_nsec); 2690 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2691 } 2692 return (error); 2693} 2694 2695int 2696freebsd32_thr_new(struct thread *td, 2697 struct freebsd32_thr_new_args *uap) 2698{ 2699 struct thr_param32 param32; 2700 struct thr_param param; 2701 int error; 2702 2703 if (uap->param_size < 0 || 2704 uap->param_size > sizeof(struct thr_param32)) 2705 return (EINVAL); 2706 bzero(¶m, sizeof(struct thr_param)); 2707 bzero(¶m32, sizeof(struct thr_param32)); 2708 error = copyin(uap->param, ¶m32, uap->param_size); 2709 if (error != 0) 2710 return (error); 2711 param.start_func = PTRIN(param32.start_func); 2712 param.arg = PTRIN(param32.arg); 2713 param.stack_base = PTRIN(param32.stack_base); 2714 param.stack_size = param32.stack_size; 2715 param.tls_base = PTRIN(param32.tls_base); 2716 param.tls_size = param32.tls_size; 2717 param.child_tid = PTRIN(param32.child_tid); 2718 param.parent_tid = PTRIN(param32.parent_tid); 2719 param.flags = param32.flags; 2720 param.rtp = PTRIN(param32.rtp); 2721 param.spare[0] = PTRIN(param32.spare[0]); 2722 param.spare[1] = PTRIN(param32.spare[1]); 2723 param.spare[2] = PTRIN(param32.spare[2]); 2724 2725 return (kern_thr_new(td, ¶m)); 2726} 2727 2728int 2729freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2730{ 2731 struct timespec32 ts32; 2732 struct timespec ts, *tsp; 2733 int error; 2734 2735 error = 0; 2736 tsp = NULL; 2737 if (uap->timeout != NULL) { 2738 error = copyin((const void *)uap->timeout, (void *)&ts32, 2739 sizeof(struct timespec32)); 2740 if (error != 0) 2741 return (error); 2742 ts.tv_sec = ts32.tv_sec; 2743 ts.tv_nsec = ts32.tv_nsec; 2744 tsp = &ts; 2745 } 2746 return (kern_thr_suspend(td, tsp)); 2747} 2748 2749void 2750siginfo_to_siginfo32(siginfo_t *src, struct siginfo32 *dst) 2751{ 2752 bzero(dst, sizeof(*dst)); 2753 dst->si_signo = src->si_signo; 2754 dst->si_errno = src->si_errno; 2755 dst->si_code = src->si_code; 2756 dst->si_pid = src->si_pid; 2757 dst->si_uid = src->si_uid; 2758 dst->si_status = src->si_status; 2759 dst->si_addr = (uintptr_t)src->si_addr; 2760 dst->si_value.sigval_int = src->si_value.sival_int; 2761 dst->si_timerid = src->si_timerid; 2762 dst->si_overrun = src->si_overrun; 2763} 2764 2765int 2766freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2767{ 2768 struct timespec32 ts32; 2769 struct timespec ts; 2770 struct timespec *timeout; 2771 sigset_t set; 2772 ksiginfo_t ksi; 2773 struct siginfo32 si32; 2774 int error; 2775 2776 if (uap->timeout) { 2777 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2778 if (error) 2779 return (error); 2780 ts.tv_sec = ts32.tv_sec; 2781 ts.tv_nsec = ts32.tv_nsec; 2782 timeout = &ts; 2783 } else 2784 timeout = NULL; 2785 2786 error = copyin(uap->set, &set, sizeof(set)); 2787 if (error) 2788 return (error); 2789 2790 error = kern_sigtimedwait(td, set, &ksi, timeout); 2791 if (error) 2792 return (error); 2793 2794 if (uap->info) { 2795 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2796 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2797 } 2798 2799 if (error == 0) 2800 td->td_retval[0] = ksi.ksi_signo; 2801 return (error); 2802} 2803 2804/* 2805 * MPSAFE 2806 */ 2807int 2808freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2809{ 2810 ksiginfo_t ksi; 2811 struct siginfo32 si32; 2812 sigset_t set; 2813 int error; 2814 2815 error = copyin(uap->set, &set, sizeof(set)); 2816 if (error) 2817 return (error); 2818 2819 error = kern_sigtimedwait(td, set, &ksi, NULL); 2820 if (error) 2821 return (error); 2822 2823 if (uap->info) { 2824 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2825 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2826 } 2827 if (error == 0) 2828 td->td_retval[0] = ksi.ksi_signo; 2829 return (error); 2830} 2831 2832int 2833freebsd32_cpuset_setid(struct thread *td, 2834 struct freebsd32_cpuset_setid_args *uap) 2835{ 2836 struct cpuset_setid_args ap; 2837 2838 ap.which = uap->which; 2839 ap.id = PAIR32TO64(id_t,uap->id); 2840 ap.setid = uap->setid; 2841 2842 return (cpuset_setid(td, &ap)); 2843} 2844 2845int 2846freebsd32_cpuset_getid(struct thread *td, 2847 struct freebsd32_cpuset_getid_args *uap) 2848{ 2849 struct cpuset_getid_args ap; 2850 2851 ap.level = uap->level; 2852 ap.which = uap->which; 2853 ap.id = PAIR32TO64(id_t,uap->id); 2854 ap.setid = uap->setid; 2855 2856 return (cpuset_getid(td, &ap)); 2857} 2858 2859int 2860freebsd32_cpuset_getaffinity(struct thread *td, 2861 struct freebsd32_cpuset_getaffinity_args *uap) 2862{ 2863 struct cpuset_getaffinity_args ap; 2864 2865 ap.level = uap->level; 2866 ap.which = uap->which; 2867 ap.id = PAIR32TO64(id_t,uap->id); 2868 ap.cpusetsize = uap->cpusetsize; 2869 ap.mask = uap->mask; 2870 2871 return (cpuset_getaffinity(td, &ap)); 2872} 2873 2874int 2875freebsd32_cpuset_setaffinity(struct thread *td, 2876 struct freebsd32_cpuset_setaffinity_args *uap) 2877{ 2878 struct cpuset_setaffinity_args ap; 2879 2880 ap.level = uap->level; 2881 ap.which = uap->which; 2882 ap.id = PAIR32TO64(id_t,uap->id); 2883 ap.cpusetsize = uap->cpusetsize; 2884 ap.mask = uap->mask; 2885 2886 return (cpuset_setaffinity(td, &ap)); 2887} 2888 2889int 2890freebsd32_nmount(struct thread *td, 2891 struct freebsd32_nmount_args /* { 2892 struct iovec *iovp; 2893 unsigned int iovcnt; 2894 int flags; 2895 } */ *uap) 2896{ 2897 struct uio *auio; 2898 int error; 2899 2900 AUDIT_ARG_FFLAGS(uap->flags); 2901 2902 /* 2903 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2904 * userspace to set this flag, but we must filter it out if we want 2905 * MNT_UPDATE on the root file system to work. 2906 * MNT_ROOTFS should only be set in the kernel in vfs_mountroot_try(). 2907 */ 2908 uap->flags &= ~MNT_ROOTFS; 2909 2910 /* 2911 * check that we have an even number of iovec's 2912 * and that we have at least two options. 2913 */ 2914 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2915 return (EINVAL); 2916 2917 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2918 if (error) 2919 return (error); 2920 error = vfs_donmount(td, uap->flags, auio); 2921 2922 free(auio, M_IOV); 2923 return error; 2924} 2925 2926#if 0 2927int 2928freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2929{ 2930 struct yyy32 *p32, s32; 2931 struct yyy *p = NULL, s; 2932 struct xxx_arg ap; 2933 int error; 2934 2935 if (uap->zzz) { 2936 error = copyin(uap->zzz, &s32, sizeof(s32)); 2937 if (error) 2938 return (error); 2939 /* translate in */ 2940 p = &s; 2941 } 2942 error = kern_xxx(td, p); 2943 if (error) 2944 return (error); 2945 if (uap->zzz) { 2946 /* translate out */ 2947 error = copyout(&s32, p32, sizeof(s32)); 2948 } 2949 return (error); 2950} 2951#endif 2952 2953int 2954syscall32_register(int *offset, struct sysent *new_sysent, 2955 struct sysent *old_sysent) 2956{ 2957 if (*offset == NO_SYSCALL) { 2958 int i; 2959 2960 for (i = 1; i < SYS_MAXSYSCALL; ++i) 2961 if (freebsd32_sysent[i].sy_call == 2962 (sy_call_t *)lkmnosys) 2963 break; 2964 if (i == SYS_MAXSYSCALL) 2965 return (ENFILE); 2966 *offset = i; 2967 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2968 return (EINVAL); 2969 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2970 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2971 return (EEXIST); 2972 2973 *old_sysent = freebsd32_sysent[*offset]; 2974 freebsd32_sysent[*offset] = *new_sysent; 2975 return 0; 2976} 2977 2978int 2979syscall32_deregister(int *offset, struct sysent *old_sysent) 2980{ 2981 2982 if (*offset) 2983 freebsd32_sysent[*offset] = *old_sysent; 2984 return 0; 2985} 2986 2987int 2988syscall32_module_handler(struct module *mod, int what, void *arg) 2989{ 2990 struct syscall_module_data *data = (struct syscall_module_data*)arg; 2991 modspecific_t ms; 2992 int error; 2993 2994 switch (what) { 2995 case MOD_LOAD: 2996 error = syscall32_register(data->offset, data->new_sysent, 2997 &data->old_sysent); 2998 if (error) { 2999 /* Leave a mark so we know to safely unload below. */ 3000 data->offset = NULL; 3001 return error; 3002 } 3003 ms.intval = *data->offset; 3004 MOD_XLOCK; 3005 module_setspecific(mod, &ms); 3006 MOD_XUNLOCK; 3007 if (data->chainevh) 3008 error = data->chainevh(mod, what, data->chainarg); 3009 return (error); 3010 case MOD_UNLOAD: 3011 /* 3012 * MOD_LOAD failed, so just return without calling the 3013 * chained handler since we didn't pass along the MOD_LOAD 3014 * event. 3015 */ 3016 if (data->offset == NULL) 3017 return (0); 3018 if (data->chainevh) { 3019 error = data->chainevh(mod, what, data->chainarg); 3020 if (error) 3021 return (error); 3022 } 3023 error = syscall32_deregister(data->offset, &data->old_sysent); 3024 return (error); 3025 default: 3026 error = EOPNOTSUPP; 3027 if (data->chainevh) 3028 error = data->chainevh(mod, what, data->chainarg); 3029 return (error); 3030 } 3031} 3032 3033int 3034syscall32_helper_register(struct syscall_helper_data *sd) 3035{ 3036 struct syscall_helper_data *sd1; 3037 int error; 3038 3039 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) { 3040 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent, 3041 &sd1->old_sysent); 3042 if (error != 0) { 3043 syscall32_helper_unregister(sd); 3044 return (error); 3045 } 3046 sd1->registered = 1; 3047 } 3048 return (0); 3049} 3050 3051int 3052syscall32_helper_unregister(struct syscall_helper_data *sd) 3053{ 3054 struct syscall_helper_data *sd1; 3055 3056 for (sd1 = sd; sd1->registered != 0; sd1++) { 3057 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent); 3058 sd1->registered = 0; 3059 } 3060 return (0); 3061} 3062 3063register_t * 3064freebsd32_copyout_strings(struct image_params *imgp) 3065{ 3066 int argc, envc; 3067 u_int32_t *vectp; 3068 char *stringp, *destp; 3069 u_int32_t *stack_base; 3070 struct freebsd32_ps_strings *arginfo; 3071 size_t execpath_len; 3072 int szsigcode; 3073 3074 /* 3075 * Calculate string base and vector table pointers. 3076 * Also deal with signal trampoline code for this exec type. 3077 */ 3078 if (imgp->execpath != NULL && imgp->auxargs != NULL) 3079 execpath_len = strlen(imgp->execpath) + 1; 3080 else 3081 execpath_len = 0; 3082 arginfo = (struct freebsd32_ps_strings *)FREEBSD32_PS_STRINGS; 3083 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 3084 destp = (caddr_t)arginfo - szsigcode - SPARE_USRSPACE - 3085 roundup(execpath_len, sizeof(char *)) - 3086 roundup((ARG_MAX - imgp->args->stringspace), sizeof(char *)); 3087 3088 /* 3089 * install sigcode 3090 */ 3091 if (szsigcode) 3092 copyout(imgp->proc->p_sysent->sv_sigcode, 3093 ((caddr_t)arginfo - szsigcode), szsigcode); 3094 3095 /* 3096 * Copy the image path for the rtld. 3097 */ 3098 if (execpath_len != 0) { 3099 imgp->execpathp = (uintptr_t)arginfo - szsigcode - execpath_len; 3100 copyout(imgp->execpath, (void *)imgp->execpathp, 3101 execpath_len); 3102 } 3103 3104 /* 3105 * If we have a valid auxargs ptr, prepare some room 3106 * on the stack. 3107 */ 3108 if (imgp->auxargs) { 3109 /* 3110 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 3111 * lower compatibility. 3112 */ 3113 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 3114 : (AT_COUNT * 2); 3115 /* 3116 * The '+ 2' is for the null pointers at the end of each of 3117 * the arg and env vector sets,and imgp->auxarg_size is room 3118 * for argument of Runtime loader. 3119 */ 3120 vectp = (u_int32_t *) (destp - (imgp->args->argc + 3121 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 3122 sizeof(u_int32_t)); 3123 } else 3124 /* 3125 * The '+ 2' is for the null pointers at the end of each of 3126 * the arg and env vector sets 3127 */ 3128 vectp = (u_int32_t *) 3129 (destp - (imgp->args->argc + imgp->args->envc + 2) * sizeof(u_int32_t)); 3130 3131 /* 3132 * vectp also becomes our initial stack base 3133 */ 3134 stack_base = vectp; 3135 3136 stringp = imgp->args->begin_argv; 3137 argc = imgp->args->argc; 3138 envc = imgp->args->envc; 3139 /* 3140 * Copy out strings - arguments and environment. 3141 */ 3142 copyout(stringp, destp, ARG_MAX - imgp->args->stringspace); 3143 3144 /* 3145 * Fill in "ps_strings" struct for ps, w, etc. 3146 */ 3147 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 3148 suword32(&arginfo->ps_nargvstr, argc); 3149 3150 /* 3151 * Fill in argument portion of vector table. 3152 */ 3153 for (; argc > 0; --argc) { 3154 suword32(vectp++, (u_int32_t)(intptr_t)destp); 3155 while (*stringp++ != 0) 3156 destp++; 3157 destp++; 3158 } 3159 3160 /* a null vector table pointer separates the argp's from the envp's */ 3161 suword32(vectp++, 0); 3162 3163 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 3164 suword32(&arginfo->ps_nenvstr, envc); 3165 3166 /* 3167 * Fill in environment portion of vector table. 3168 */ 3169 for (; envc > 0; --envc) { 3170 suword32(vectp++, (u_int32_t)(intptr_t)destp); 3171 while (*stringp++ != 0) 3172 destp++; 3173 destp++; 3174 } 3175 3176 /* end of vector table is a null pointer */ 3177 suword32(vectp, 0); 3178 3179 return ((register_t *)stack_base); 3180} 3181 3182