1 /*- 2 * Copyright (c) 2002 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include "opt_compat.h" 31 #include "opt_inet.h" 32 #include "opt_inet6.h" 33 34 #define __ELF_WORD_SIZE 32 35 36 #include <sys/param.h> 37 #include <sys/bus.h> 38 #include <sys/capsicum.h> 39 #include <sys/clock.h> 40 #include <sys/exec.h> 41 #include <sys/fcntl.h> 42 #include <sys/filedesc.h> 43 #include <sys/imgact.h> 44 #include <sys/jail.h> 45 #include <sys/kernel.h> 46 #include <sys/limits.h> 47 #include <sys/linker.h> 48 #include <sys/lock.h> 49 #include <sys/malloc.h> 50 #include <sys/file.h> /* Must come after sys/malloc.h */ 51 #include <sys/imgact.h> 52 #include <sys/mbuf.h> 53 #include <sys/mman.h> 54 #include <sys/module.h> 55 #include <sys/mount.h> 56 #include <sys/mutex.h> 57 #include <sys/namei.h> 58 #include <sys/proc.h> 59 #include <sys/procctl.h> 60 #include <sys/reboot.h> 61 #include <sys/resource.h> 62 #include <sys/resourcevar.h> 63 #include <sys/selinfo.h> 64 #include <sys/eventvar.h> /* Must come after sys/selinfo.h */ 65 #include <sys/pipe.h> /* Must come after sys/selinfo.h */ 66 #include <sys/signal.h> 67 #include <sys/signalvar.h> 68 #include <sys/socket.h> 69 #include <sys/socketvar.h> 70 #include <sys/stat.h> 71 #include <sys/syscall.h> 72 #include <sys/syscallsubr.h> 73 #include <sys/sysctl.h> 74 #include <sys/sysent.h> 75 #include <sys/sysproto.h> 76 #include <sys/systm.h> 77 #include <sys/thr.h> 78 #include <sys/unistd.h> 79 #include <sys/ucontext.h> 80 #include <sys/vnode.h> 81 #include <sys/wait.h> 82 #include <sys/ipc.h> 83 #include <sys/msg.h> 84 #include <sys/sem.h> 85 #include <sys/shm.h> 86 87 #ifdef INET 88 #include <netinet/in.h> 89 #endif 90 91 #include <vm/vm.h> 92 #include <vm/vm_param.h> 93 #include <vm/pmap.h> 94 #include <vm/vm_map.h> 95 #include <vm/vm_object.h> 96 #include <vm/vm_extern.h> 97 98 #include <machine/cpu.h> 99 #include <machine/elf.h> 100 101 #include <security/audit/audit.h> 102 103 #include <compat/freebsd32/freebsd32_util.h> 104 #include <compat/freebsd32/freebsd32.h> 105 #include <compat/freebsd32/freebsd32_ipc.h> 106 #include <compat/freebsd32/freebsd32_misc.h> 107 #include <compat/freebsd32/freebsd32_signal.h> 108 #include <compat/freebsd32/freebsd32_proto.h> 109 110 FEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD"); 111 112 #ifndef __mips__ 113 CTASSERT(sizeof(struct timeval32) == 8); 114 CTASSERT(sizeof(struct timespec32) == 8); 115 CTASSERT(sizeof(struct itimerval32) == 16); 116 #endif 117 CTASSERT(sizeof(struct statfs32) == 256); 118 #ifndef __mips__ 119 CTASSERT(sizeof(struct rusage32) == 72); 120 #endif 121 CTASSERT(sizeof(struct sigaltstack32) == 12); 122 CTASSERT(sizeof(struct kevent32) == 20); 123 CTASSERT(sizeof(struct iovec32) == 8); 124 CTASSERT(sizeof(struct msghdr32) == 28); 125 #ifndef __mips__ 126 CTASSERT(sizeof(struct stat32) == 96); 127 #endif 128 CTASSERT(sizeof(struct sigaction32) == 24); 129 130 static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 131 static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 132 133 void 134 freebsd32_rusage_out(const struct rusage *s, struct rusage32 *s32) 135 { 136 137 TV_CP(*s, *s32, ru_utime); 138 TV_CP(*s, *s32, ru_stime); 139 CP(*s, *s32, ru_maxrss); 140 CP(*s, *s32, ru_ixrss); 141 CP(*s, *s32, ru_idrss); 142 CP(*s, *s32, ru_isrss); 143 CP(*s, *s32, ru_minflt); 144 CP(*s, *s32, ru_majflt); 145 CP(*s, *s32, ru_nswap); 146 CP(*s, *s32, ru_inblock); 147 CP(*s, *s32, ru_oublock); 148 CP(*s, *s32, ru_msgsnd); 149 CP(*s, *s32, ru_msgrcv); 150 CP(*s, *s32, ru_nsignals); 151 CP(*s, *s32, ru_nvcsw); 152 CP(*s, *s32, ru_nivcsw); 153 } 154 155 int 156 freebsd32_wait4(struct thread *td, struct freebsd32_wait4_args *uap) 157 { 158 int error, status; 159 struct rusage32 ru32; 160 struct rusage ru, *rup; 161 162 if (uap->rusage != NULL) 163 rup = &ru; 164 else 165 rup = NULL; 166 error = kern_wait(td, uap->pid, &status, uap->options, rup); 167 if (error) 168 return (error); 169 if (uap->status != NULL) 170 error = copyout(&status, uap->status, sizeof(status)); 171 if (uap->rusage != NULL && error == 0) { 172 freebsd32_rusage_out(&ru, &ru32); 173 error = copyout(&ru32, uap->rusage, sizeof(ru32)); 174 } 175 return (error); 176 } 177 178 int 179 freebsd32_wait6(struct thread *td, struct freebsd32_wait6_args *uap) 180 { 181 struct wrusage32 wru32; 182 struct __wrusage wru, *wrup; 183 struct siginfo32 si32; 184 struct __siginfo si, *sip; 185 int error, status; 186 187 if (uap->wrusage != NULL) 188 wrup = &wru; 189 else 190 wrup = NULL; 191 if (uap->info != NULL) { 192 sip = &si; 193 bzero(sip, sizeof(*sip)); 194 } else 195 sip = NULL; 196 error = kern_wait6(td, uap->idtype, PAIR32TO64(id_t, uap->id), 197 &status, uap->options, wrup, sip); 198 if (error != 0) 199 return (error); 200 if (uap->status != NULL) 201 error = copyout(&status, uap->status, sizeof(status)); 202 if (uap->wrusage != NULL && error == 0) { 203 freebsd32_rusage_out(&wru.wru_self, &wru32.wru_self); 204 freebsd32_rusage_out(&wru.wru_children, &wru32.wru_children); 205 error = copyout(&wru32, uap->wrusage, sizeof(wru32)); 206 } 207 if (uap->info != NULL && error == 0) { 208 siginfo_to_siginfo32 (&si, &si32); 209 error = copyout(&si32, uap->info, sizeof(si32)); 210 } 211 return (error); 212 } 213 214 #ifdef COMPAT_FREEBSD4 215 static void 216 copy_statfs(struct statfs *in, struct statfs32 *out) 217 { 218 219 statfs_scale_blocks(in, INT32_MAX); 220 bzero(out, sizeof(*out)); 221 CP(*in, *out, f_bsize); 222 out->f_iosize = MIN(in->f_iosize, INT32_MAX); 223 CP(*in, *out, f_blocks); 224 CP(*in, *out, f_bfree); 225 CP(*in, *out, f_bavail); 226 out->f_files = MIN(in->f_files, INT32_MAX); 227 out->f_ffree = MIN(in->f_ffree, INT32_MAX); 228 CP(*in, *out, f_fsid); 229 CP(*in, *out, f_owner); 230 CP(*in, *out, f_type); 231 CP(*in, *out, f_flags); 232 out->f_syncwrites = MIN(in->f_syncwrites, INT32_MAX); 233 out->f_asyncwrites = MIN(in->f_asyncwrites, INT32_MAX); 234 strlcpy(out->f_fstypename, 235 in->f_fstypename, MFSNAMELEN); 236 strlcpy(out->f_mntonname, 237 in->f_mntonname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 238 out->f_syncreads = MIN(in->f_syncreads, INT32_MAX); 239 out->f_asyncreads = MIN(in->f_asyncreads, INT32_MAX); 240 strlcpy(out->f_mntfromname, 241 in->f_mntfromname, min(MNAMELEN, FREEBSD4_MNAMELEN)); 242 } 243 #endif 244 245 #ifdef COMPAT_FREEBSD4 246 int 247 freebsd4_freebsd32_getfsstat(struct thread *td, struct freebsd4_freebsd32_getfsstat_args *uap) 248 { 249 struct statfs *buf, *sp; 250 struct statfs32 stat32; 251 size_t count, size; 252 int error; 253 254 count = uap->bufsize / sizeof(struct statfs32); 255 size = count * sizeof(struct statfs); 256 error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 257 if (size > 0) { 258 count = td->td_retval[0]; 259 sp = buf; 260 while (count > 0 && error == 0) { 261 copy_statfs(sp, &stat32); 262 error = copyout(&stat32, uap->buf, sizeof(stat32)); 263 sp++; 264 uap->buf++; 265 count--; 266 } 267 free(buf, M_TEMP); 268 } 269 return (error); 270 } 271 #endif 272 273 int 274 freebsd32_sigaltstack(struct thread *td, 275 struct freebsd32_sigaltstack_args *uap) 276 { 277 struct sigaltstack32 s32; 278 struct sigaltstack ss, oss, *ssp; 279 int error; 280 281 if (uap->ss != NULL) { 282 error = copyin(uap->ss, &s32, sizeof(s32)); 283 if (error) 284 return (error); 285 PTRIN_CP(s32, ss, ss_sp); 286 CP(s32, ss, ss_size); 287 CP(s32, ss, ss_flags); 288 ssp = &ss; 289 } else 290 ssp = NULL; 291 error = kern_sigaltstack(td, ssp, &oss); 292 if (error == 0 && uap->oss != NULL) { 293 PTROUT_CP(oss, s32, ss_sp); 294 CP(oss, s32, ss_size); 295 CP(oss, s32, ss_flags); 296 error = copyout(&s32, uap->oss, sizeof(s32)); 297 } 298 return (error); 299 } 300 301 /* 302 * Custom version of exec_copyin_args() so that we can translate 303 * the pointers. 304 */ 305 int 306 freebsd32_exec_copyin_args(struct image_args *args, char *fname, 307 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 308 { 309 char *argp, *envp; 310 u_int32_t *p32, arg; 311 size_t length; 312 int error; 313 314 bzero(args, sizeof(*args)); 315 if (argv == NULL) 316 return (EFAULT); 317 318 /* 319 * Allocate demand-paged memory for the file name, argument, and 320 * environment strings. 321 */ 322 error = exec_alloc_args(args); 323 if (error != 0) 324 return (error); 325 326 /* 327 * Copy the file name. 328 */ 329 if (fname != NULL) { 330 args->fname = args->buf; 331 error = (segflg == UIO_SYSSPACE) ? 332 copystr(fname, args->fname, PATH_MAX, &length) : 333 copyinstr(fname, args->fname, PATH_MAX, &length); 334 if (error != 0) 335 goto err_exit; 336 } else 337 length = 0; 338 339 args->begin_argv = args->buf + length; 340 args->endp = args->begin_argv; 341 args->stringspace = ARG_MAX; 342 343 /* 344 * extract arguments first 345 */ 346 p32 = argv; 347 for (;;) { 348 error = copyin(p32++, &arg, sizeof(arg)); 349 if (error) 350 goto err_exit; 351 if (arg == 0) 352 break; 353 argp = PTRIN(arg); 354 error = copyinstr(argp, args->endp, args->stringspace, &length); 355 if (error) { 356 if (error == ENAMETOOLONG) 357 error = E2BIG; 358 goto err_exit; 359 } 360 args->stringspace -= length; 361 args->endp += length; 362 args->argc++; 363 } 364 365 args->begin_envv = args->endp; 366 367 /* 368 * extract environment strings 369 */ 370 if (envv) { 371 p32 = envv; 372 for (;;) { 373 error = copyin(p32++, &arg, sizeof(arg)); 374 if (error) 375 goto err_exit; 376 if (arg == 0) 377 break; 378 envp = PTRIN(arg); 379 error = copyinstr(envp, args->endp, args->stringspace, 380 &length); 381 if (error) { 382 if (error == ENAMETOOLONG) 383 error = E2BIG; 384 goto err_exit; 385 } 386 args->stringspace -= length; 387 args->endp += length; 388 args->envc++; 389 } 390 } 391 392 return (0); 393 394 err_exit: 395 exec_free_args(args); 396 return (error); 397 } 398 399 int 400 freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 401 { 402 struct image_args eargs; 403 int error; 404 405 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 406 uap->argv, uap->envv); 407 if (error == 0) 408 error = kern_execve(td, &eargs, NULL); 409 return (error); 410 } 411 412 int 413 freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 414 { 415 struct image_args eargs; 416 int error; 417 418 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 419 uap->argv, uap->envv); 420 if (error == 0) { 421 eargs.fd = uap->fd; 422 error = kern_execve(td, &eargs, NULL); 423 } 424 return (error); 425 } 426 427 int 428 freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap) 429 { 430 struct mprotect_args ap; 431 432 ap.addr = PTRIN(uap->addr); 433 ap.len = uap->len; 434 ap.prot = uap->prot; 435 #if defined(__amd64__) 436 if (i386_read_exec && (ap.prot & PROT_READ) != 0) 437 ap.prot |= PROT_EXEC; 438 #endif 439 return (sys_mprotect(td, &ap)); 440 } 441 442 int 443 freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 444 { 445 struct mmap_args ap; 446 vm_offset_t addr = (vm_offset_t) uap->addr; 447 vm_size_t len = uap->len; 448 int prot = uap->prot; 449 int flags = uap->flags; 450 int fd = uap->fd; 451 off_t pos = PAIR32TO64(off_t,uap->pos); 452 453 #if defined(__amd64__) 454 if (i386_read_exec && (prot & PROT_READ)) 455 prot |= PROT_EXEC; 456 #endif 457 458 ap.addr = (void *) addr; 459 ap.len = len; 460 ap.prot = prot; 461 ap.flags = flags; 462 ap.fd = fd; 463 ap.pos = pos; 464 465 return (sys_mmap(td, &ap)); 466 } 467 468 #ifdef COMPAT_FREEBSD6 469 int 470 freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 471 { 472 struct freebsd32_mmap_args ap; 473 474 ap.addr = uap->addr; 475 ap.len = uap->len; 476 ap.prot = uap->prot; 477 ap.flags = uap->flags; 478 ap.fd = uap->fd; 479 ap.pos1 = uap->pos1; 480 ap.pos2 = uap->pos2; 481 482 return (freebsd32_mmap(td, &ap)); 483 } 484 #endif 485 486 int 487 freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 488 { 489 struct itimerval itv, oitv, *itvp; 490 struct itimerval32 i32; 491 int error; 492 493 if (uap->itv != NULL) { 494 error = copyin(uap->itv, &i32, sizeof(i32)); 495 if (error) 496 return (error); 497 TV_CP(i32, itv, it_interval); 498 TV_CP(i32, itv, it_value); 499 itvp = &itv; 500 } else 501 itvp = NULL; 502 error = kern_setitimer(td, uap->which, itvp, &oitv); 503 if (error || uap->oitv == NULL) 504 return (error); 505 TV_CP(oitv, i32, it_interval); 506 TV_CP(oitv, i32, it_value); 507 return (copyout(&i32, uap->oitv, sizeof(i32))); 508 } 509 510 int 511 freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 512 { 513 struct itimerval itv; 514 struct itimerval32 i32; 515 int error; 516 517 error = kern_getitimer(td, uap->which, &itv); 518 if (error || uap->itv == NULL) 519 return (error); 520 TV_CP(itv, i32, it_interval); 521 TV_CP(itv, i32, it_value); 522 return (copyout(&i32, uap->itv, sizeof(i32))); 523 } 524 525 int 526 freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 527 { 528 struct timeval32 tv32; 529 struct timeval tv, *tvp; 530 int error; 531 532 if (uap->tv != NULL) { 533 error = copyin(uap->tv, &tv32, sizeof(tv32)); 534 if (error) 535 return (error); 536 CP(tv32, tv, tv_sec); 537 CP(tv32, tv, tv_usec); 538 tvp = &tv; 539 } else 540 tvp = NULL; 541 /* 542 * XXX Do pointers need PTRIN()? 543 */ 544 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 545 sizeof(int32_t) * 8)); 546 } 547 548 int 549 freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 550 { 551 struct timespec32 ts32; 552 struct timespec ts; 553 struct timeval tv, *tvp; 554 sigset_t set, *uset; 555 int error; 556 557 if (uap->ts != NULL) { 558 error = copyin(uap->ts, &ts32, sizeof(ts32)); 559 if (error != 0) 560 return (error); 561 CP(ts32, ts, tv_sec); 562 CP(ts32, ts, tv_nsec); 563 TIMESPEC_TO_TIMEVAL(&tv, &ts); 564 tvp = &tv; 565 } else 566 tvp = NULL; 567 if (uap->sm != NULL) { 568 error = copyin(uap->sm, &set, sizeof(set)); 569 if (error != 0) 570 return (error); 571 uset = &set; 572 } else 573 uset = NULL; 574 /* 575 * XXX Do pointers need PTRIN()? 576 */ 577 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 578 uset, sizeof(int32_t) * 8); 579 return (error); 580 } 581 582 /* 583 * Copy 'count' items into the destination list pointed to by uap->eventlist. 584 */ 585 static int 586 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 587 { 588 struct freebsd32_kevent_args *uap; 589 struct kevent32 ks32[KQ_NEVENTS]; 590 int i, error = 0; 591 592 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 593 uap = (struct freebsd32_kevent_args *)arg; 594 595 for (i = 0; i < count; i++) { 596 CP(kevp[i], ks32[i], ident); 597 CP(kevp[i], ks32[i], filter); 598 CP(kevp[i], ks32[i], flags); 599 CP(kevp[i], ks32[i], fflags); 600 CP(kevp[i], ks32[i], data); 601 PTROUT_CP(kevp[i], ks32[i], udata); 602 } 603 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 604 if (error == 0) 605 uap->eventlist += count; 606 return (error); 607 } 608 609 /* 610 * Copy 'count' items from the list pointed to by uap->changelist. 611 */ 612 static int 613 freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 614 { 615 struct freebsd32_kevent_args *uap; 616 struct kevent32 ks32[KQ_NEVENTS]; 617 int i, error = 0; 618 619 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 620 uap = (struct freebsd32_kevent_args *)arg; 621 622 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 623 if (error) 624 goto done; 625 uap->changelist += count; 626 627 for (i = 0; i < count; i++) { 628 CP(ks32[i], kevp[i], ident); 629 CP(ks32[i], kevp[i], filter); 630 CP(ks32[i], kevp[i], flags); 631 CP(ks32[i], kevp[i], fflags); 632 CP(ks32[i], kevp[i], data); 633 PTRIN_CP(ks32[i], kevp[i], udata); 634 } 635 done: 636 return (error); 637 } 638 639 int 640 freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 641 { 642 struct timespec32 ts32; 643 struct timespec ts, *tsp; 644 struct kevent_copyops k_ops = { uap, 645 freebsd32_kevent_copyout, 646 freebsd32_kevent_copyin}; 647 int error; 648 649 650 if (uap->timeout) { 651 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 652 if (error) 653 return (error); 654 CP(ts32, ts, tv_sec); 655 CP(ts32, ts, tv_nsec); 656 tsp = &ts; 657 } else 658 tsp = NULL; 659 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 660 &k_ops, tsp); 661 return (error); 662 } 663 664 int 665 freebsd32_gettimeofday(struct thread *td, 666 struct freebsd32_gettimeofday_args *uap) 667 { 668 struct timeval atv; 669 struct timeval32 atv32; 670 struct timezone rtz; 671 int error = 0; 672 673 if (uap->tp) { 674 microtime(&atv); 675 CP(atv, atv32, tv_sec); 676 CP(atv, atv32, tv_usec); 677 error = copyout(&atv32, uap->tp, sizeof (atv32)); 678 } 679 if (error == 0 && uap->tzp != NULL) { 680 rtz.tz_minuteswest = tz_minuteswest; 681 rtz.tz_dsttime = tz_dsttime; 682 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 683 } 684 return (error); 685 } 686 687 int 688 freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 689 { 690 struct rusage32 s32; 691 struct rusage s; 692 int error; 693 694 error = kern_getrusage(td, uap->who, &s); 695 if (error) 696 return (error); 697 if (uap->rusage != NULL) { 698 freebsd32_rusage_out(&s, &s32); 699 error = copyout(&s32, uap->rusage, sizeof(s32)); 700 } 701 return (error); 702 } 703 704 static int 705 freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 706 { 707 struct iovec32 iov32; 708 struct iovec *iov; 709 struct uio *uio; 710 u_int iovlen; 711 int error, i; 712 713 *uiop = NULL; 714 if (iovcnt > UIO_MAXIOV) 715 return (EINVAL); 716 iovlen = iovcnt * sizeof(struct iovec); 717 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 718 iov = (struct iovec *)(uio + 1); 719 for (i = 0; i < iovcnt; i++) { 720 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 721 if (error) { 722 free(uio, M_IOV); 723 return (error); 724 } 725 iov[i].iov_base = PTRIN(iov32.iov_base); 726 iov[i].iov_len = iov32.iov_len; 727 } 728 uio->uio_iov = iov; 729 uio->uio_iovcnt = iovcnt; 730 uio->uio_segflg = UIO_USERSPACE; 731 uio->uio_offset = -1; 732 uio->uio_resid = 0; 733 for (i = 0; i < iovcnt; i++) { 734 if (iov->iov_len > INT_MAX - uio->uio_resid) { 735 free(uio, M_IOV); 736 return (EINVAL); 737 } 738 uio->uio_resid += iov->iov_len; 739 iov++; 740 } 741 *uiop = uio; 742 return (0); 743 } 744 745 int 746 freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 747 { 748 struct uio *auio; 749 int error; 750 751 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 752 if (error) 753 return (error); 754 error = kern_readv(td, uap->fd, auio); 755 free(auio, M_IOV); 756 return (error); 757 } 758 759 int 760 freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 761 { 762 struct uio *auio; 763 int error; 764 765 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 766 if (error) 767 return (error); 768 error = kern_writev(td, uap->fd, auio); 769 free(auio, M_IOV); 770 return (error); 771 } 772 773 int 774 freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 775 { 776 struct uio *auio; 777 int error; 778 779 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 780 if (error) 781 return (error); 782 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 783 free(auio, M_IOV); 784 return (error); 785 } 786 787 int 788 freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 789 { 790 struct uio *auio; 791 int error; 792 793 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 794 if (error) 795 return (error); 796 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 797 free(auio, M_IOV); 798 return (error); 799 } 800 801 int 802 freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 803 int error) 804 { 805 struct iovec32 iov32; 806 struct iovec *iov; 807 u_int iovlen; 808 int i; 809 810 *iovp = NULL; 811 if (iovcnt > UIO_MAXIOV) 812 return (error); 813 iovlen = iovcnt * sizeof(struct iovec); 814 iov = malloc(iovlen, M_IOV, M_WAITOK); 815 for (i = 0; i < iovcnt; i++) { 816 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 817 if (error) { 818 free(iov, M_IOV); 819 return (error); 820 } 821 iov[i].iov_base = PTRIN(iov32.iov_base); 822 iov[i].iov_len = iov32.iov_len; 823 } 824 *iovp = iov; 825 return (0); 826 } 827 828 static int 829 freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 830 { 831 struct msghdr32 m32; 832 int error; 833 834 error = copyin(msg32, &m32, sizeof(m32)); 835 if (error) 836 return (error); 837 msg->msg_name = PTRIN(m32.msg_name); 838 msg->msg_namelen = m32.msg_namelen; 839 msg->msg_iov = PTRIN(m32.msg_iov); 840 msg->msg_iovlen = m32.msg_iovlen; 841 msg->msg_control = PTRIN(m32.msg_control); 842 msg->msg_controllen = m32.msg_controllen; 843 msg->msg_flags = m32.msg_flags; 844 return (0); 845 } 846 847 static int 848 freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 849 { 850 struct msghdr32 m32; 851 int error; 852 853 m32.msg_name = PTROUT(msg->msg_name); 854 m32.msg_namelen = msg->msg_namelen; 855 m32.msg_iov = PTROUT(msg->msg_iov); 856 m32.msg_iovlen = msg->msg_iovlen; 857 m32.msg_control = PTROUT(msg->msg_control); 858 m32.msg_controllen = msg->msg_controllen; 859 m32.msg_flags = msg->msg_flags; 860 error = copyout(&m32, msg32, sizeof(m32)); 861 return (error); 862 } 863 864 #ifndef __mips__ 865 #define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 866 #else 867 #define FREEBSD32_ALIGNBYTES (sizeof(long) - 1) 868 #endif 869 #define FREEBSD32_ALIGN(p) \ 870 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 871 #define FREEBSD32_CMSG_SPACE(l) \ 872 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 873 874 #define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 875 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 876 static int 877 freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 878 { 879 struct cmsghdr *cm; 880 void *data; 881 socklen_t clen, datalen; 882 int error; 883 caddr_t ctlbuf; 884 int len, maxlen, copylen; 885 struct mbuf *m; 886 error = 0; 887 888 len = msg->msg_controllen; 889 maxlen = msg->msg_controllen; 890 msg->msg_controllen = 0; 891 892 m = control; 893 ctlbuf = msg->msg_control; 894 895 while (m && len > 0) { 896 cm = mtod(m, struct cmsghdr *); 897 clen = m->m_len; 898 899 while (cm != NULL) { 900 901 if (sizeof(struct cmsghdr) > clen || 902 cm->cmsg_len > clen) { 903 error = EINVAL; 904 break; 905 } 906 907 data = CMSG_DATA(cm); 908 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 909 910 /* Adjust message length */ 911 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 912 datalen; 913 914 915 /* Copy cmsghdr */ 916 copylen = sizeof(struct cmsghdr); 917 if (len < copylen) { 918 msg->msg_flags |= MSG_CTRUNC; 919 copylen = len; 920 } 921 922 error = copyout(cm,ctlbuf,copylen); 923 if (error) 924 goto exit; 925 926 ctlbuf += FREEBSD32_ALIGN(copylen); 927 len -= FREEBSD32_ALIGN(copylen); 928 929 if (len <= 0) 930 break; 931 932 /* Copy data */ 933 copylen = datalen; 934 if (len < copylen) { 935 msg->msg_flags |= MSG_CTRUNC; 936 copylen = len; 937 } 938 939 error = copyout(data,ctlbuf,copylen); 940 if (error) 941 goto exit; 942 943 ctlbuf += FREEBSD32_ALIGN(copylen); 944 len -= FREEBSD32_ALIGN(copylen); 945 946 if (CMSG_SPACE(datalen) < clen) { 947 clen -= CMSG_SPACE(datalen); 948 cm = (struct cmsghdr *) 949 ((caddr_t)cm + CMSG_SPACE(datalen)); 950 } else { 951 clen = 0; 952 cm = NULL; 953 } 954 } 955 m = m->m_next; 956 } 957 958 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 959 960 exit: 961 return (error); 962 963 } 964 965 int 966 freebsd32_recvmsg(td, uap) 967 struct thread *td; 968 struct freebsd32_recvmsg_args /* { 969 int s; 970 struct msghdr32 *msg; 971 int flags; 972 } */ *uap; 973 { 974 struct msghdr msg; 975 struct msghdr32 m32; 976 struct iovec *uiov, *iov; 977 struct mbuf *control = NULL; 978 struct mbuf **controlp; 979 980 int error; 981 error = copyin(uap->msg, &m32, sizeof(m32)); 982 if (error) 983 return (error); 984 error = freebsd32_copyinmsghdr(uap->msg, &msg); 985 if (error) 986 return (error); 987 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 988 EMSGSIZE); 989 if (error) 990 return (error); 991 msg.msg_flags = uap->flags; 992 uiov = msg.msg_iov; 993 msg.msg_iov = iov; 994 995 controlp = (msg.msg_control != NULL) ? &control : NULL; 996 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 997 if (error == 0) { 998 msg.msg_iov = uiov; 999 1000 if (control != NULL) 1001 error = freebsd32_copy_msg_out(&msg, control); 1002 else 1003 msg.msg_controllen = 0; 1004 1005 if (error == 0) 1006 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1007 } 1008 free(iov, M_IOV); 1009 1010 if (control != NULL) 1011 m_freem(control); 1012 1013 return (error); 1014 } 1015 1016 /* 1017 * Copy-in the array of control messages constructed using alignment 1018 * and padding suitable for a 32-bit environment and construct an 1019 * mbuf using alignment and padding suitable for a 64-bit kernel. 1020 * The alignment and padding are defined indirectly by CMSG_DATA(), 1021 * CMSG_SPACE() and CMSG_LEN(). 1022 */ 1023 static int 1024 freebsd32_copyin_control(struct mbuf **mp, caddr_t buf, u_int buflen) 1025 { 1026 struct mbuf *m; 1027 void *md; 1028 u_int idx, len, msglen; 1029 int error; 1030 1031 buflen = FREEBSD32_ALIGN(buflen); 1032 1033 if (buflen > MCLBYTES) 1034 return (EINVAL); 1035 1036 /* 1037 * Iterate over the buffer and get the length of each message 1038 * in there. This has 32-bit alignment and padding. Use it to 1039 * determine the length of these messages when using 64-bit 1040 * alignment and padding. 1041 */ 1042 idx = 0; 1043 len = 0; 1044 while (idx < buflen) { 1045 error = copyin(buf + idx, &msglen, sizeof(msglen)); 1046 if (error) 1047 return (error); 1048 if (msglen < sizeof(struct cmsghdr)) 1049 return (EINVAL); 1050 msglen = FREEBSD32_ALIGN(msglen); 1051 if (idx + msglen > buflen) 1052 return (EINVAL); 1053 idx += msglen; 1054 msglen += CMSG_ALIGN(sizeof(struct cmsghdr)) - 1055 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1056 len += CMSG_ALIGN(msglen); 1057 } 1058 1059 if (len > MCLBYTES) 1060 return (EINVAL); 1061 1062 m = m_get(M_WAITOK, MT_CONTROL); 1063 if (len > MLEN) 1064 MCLGET(m, M_WAITOK); 1065 m->m_len = len; 1066 1067 md = mtod(m, void *); 1068 while (buflen > 0) { 1069 error = copyin(buf, md, sizeof(struct cmsghdr)); 1070 if (error) 1071 break; 1072 msglen = *(u_int *)md; 1073 msglen = FREEBSD32_ALIGN(msglen); 1074 1075 /* Modify the message length to account for alignment. */ 1076 *(u_int *)md = msglen + CMSG_ALIGN(sizeof(struct cmsghdr)) - 1077 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1078 1079 md = (char *)md + CMSG_ALIGN(sizeof(struct cmsghdr)); 1080 buf += FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1081 buflen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1082 1083 msglen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1084 if (msglen > 0) { 1085 error = copyin(buf, md, msglen); 1086 if (error) 1087 break; 1088 md = (char *)md + CMSG_ALIGN(msglen); 1089 buf += msglen; 1090 buflen -= msglen; 1091 } 1092 } 1093 1094 if (error) 1095 m_free(m); 1096 else 1097 *mp = m; 1098 return (error); 1099 } 1100 1101 int 1102 freebsd32_sendmsg(struct thread *td, 1103 struct freebsd32_sendmsg_args *uap) 1104 { 1105 struct msghdr msg; 1106 struct msghdr32 m32; 1107 struct iovec *iov; 1108 struct mbuf *control = NULL; 1109 struct sockaddr *to = NULL; 1110 int error; 1111 1112 error = copyin(uap->msg, &m32, sizeof(m32)); 1113 if (error) 1114 return (error); 1115 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1116 if (error) 1117 return (error); 1118 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1119 EMSGSIZE); 1120 if (error) 1121 return (error); 1122 msg.msg_iov = iov; 1123 if (msg.msg_name != NULL) { 1124 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1125 if (error) { 1126 to = NULL; 1127 goto out; 1128 } 1129 msg.msg_name = to; 1130 } 1131 1132 if (msg.msg_control) { 1133 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1134 error = EINVAL; 1135 goto out; 1136 } 1137 1138 error = freebsd32_copyin_control(&control, msg.msg_control, 1139 msg.msg_controllen); 1140 if (error) 1141 goto out; 1142 1143 msg.msg_control = NULL; 1144 msg.msg_controllen = 0; 1145 } 1146 1147 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1148 UIO_USERSPACE); 1149 1150 out: 1151 free(iov, M_IOV); 1152 if (to) 1153 free(to, M_SONAME); 1154 return (error); 1155 } 1156 1157 int 1158 freebsd32_recvfrom(struct thread *td, 1159 struct freebsd32_recvfrom_args *uap) 1160 { 1161 struct msghdr msg; 1162 struct iovec aiov; 1163 int error; 1164 1165 if (uap->fromlenaddr) { 1166 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1167 sizeof(msg.msg_namelen)); 1168 if (error) 1169 return (error); 1170 } else { 1171 msg.msg_namelen = 0; 1172 } 1173 1174 msg.msg_name = PTRIN(uap->from); 1175 msg.msg_iov = &aiov; 1176 msg.msg_iovlen = 1; 1177 aiov.iov_base = PTRIN(uap->buf); 1178 aiov.iov_len = uap->len; 1179 msg.msg_control = NULL; 1180 msg.msg_flags = uap->flags; 1181 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1182 if (error == 0 && uap->fromlenaddr) 1183 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1184 sizeof (msg.msg_namelen)); 1185 return (error); 1186 } 1187 1188 int 1189 freebsd32_settimeofday(struct thread *td, 1190 struct freebsd32_settimeofday_args *uap) 1191 { 1192 struct timeval32 tv32; 1193 struct timeval tv, *tvp; 1194 struct timezone tz, *tzp; 1195 int error; 1196 1197 if (uap->tv) { 1198 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1199 if (error) 1200 return (error); 1201 CP(tv32, tv, tv_sec); 1202 CP(tv32, tv, tv_usec); 1203 tvp = &tv; 1204 } else 1205 tvp = NULL; 1206 if (uap->tzp) { 1207 error = copyin(uap->tzp, &tz, sizeof(tz)); 1208 if (error) 1209 return (error); 1210 tzp = &tz; 1211 } else 1212 tzp = NULL; 1213 return (kern_settimeofday(td, tvp, tzp)); 1214 } 1215 1216 int 1217 freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1218 { 1219 struct timeval32 s32[2]; 1220 struct timeval s[2], *sp; 1221 int error; 1222 1223 if (uap->tptr != NULL) { 1224 error = copyin(uap->tptr, s32, sizeof(s32)); 1225 if (error) 1226 return (error); 1227 CP(s32[0], s[0], tv_sec); 1228 CP(s32[0], s[0], tv_usec); 1229 CP(s32[1], s[1], tv_sec); 1230 CP(s32[1], s[1], tv_usec); 1231 sp = s; 1232 } else 1233 sp = NULL; 1234 return (kern_utimesat(td, AT_FDCWD, uap->path, UIO_USERSPACE, 1235 sp, UIO_SYSSPACE)); 1236 } 1237 1238 int 1239 freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1240 { 1241 struct timeval32 s32[2]; 1242 struct timeval s[2], *sp; 1243 int error; 1244 1245 if (uap->tptr != NULL) { 1246 error = copyin(uap->tptr, s32, sizeof(s32)); 1247 if (error) 1248 return (error); 1249 CP(s32[0], s[0], tv_sec); 1250 CP(s32[0], s[0], tv_usec); 1251 CP(s32[1], s[1], tv_sec); 1252 CP(s32[1], s[1], tv_usec); 1253 sp = s; 1254 } else 1255 sp = NULL; 1256 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1257 } 1258 1259 int 1260 freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1261 { 1262 struct timeval32 s32[2]; 1263 struct timeval s[2], *sp; 1264 int error; 1265 1266 if (uap->tptr != NULL) { 1267 error = copyin(uap->tptr, s32, sizeof(s32)); 1268 if (error) 1269 return (error); 1270 CP(s32[0], s[0], tv_sec); 1271 CP(s32[0], s[0], tv_usec); 1272 CP(s32[1], s[1], tv_sec); 1273 CP(s32[1], s[1], tv_usec); 1274 sp = s; 1275 } else 1276 sp = NULL; 1277 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1278 } 1279 1280 int 1281 freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1282 { 1283 struct timeval32 s32[2]; 1284 struct timeval s[2], *sp; 1285 int error; 1286 1287 if (uap->times != NULL) { 1288 error = copyin(uap->times, s32, sizeof(s32)); 1289 if (error) 1290 return (error); 1291 CP(s32[0], s[0], tv_sec); 1292 CP(s32[0], s[0], tv_usec); 1293 CP(s32[1], s[1], tv_sec); 1294 CP(s32[1], s[1], tv_usec); 1295 sp = s; 1296 } else 1297 sp = NULL; 1298 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1299 sp, UIO_SYSSPACE)); 1300 } 1301 1302 int 1303 freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1304 { 1305 struct timeval32 tv32; 1306 struct timeval delta, olddelta, *deltap; 1307 int error; 1308 1309 if (uap->delta) { 1310 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1311 if (error) 1312 return (error); 1313 CP(tv32, delta, tv_sec); 1314 CP(tv32, delta, tv_usec); 1315 deltap = δ 1316 } else 1317 deltap = NULL; 1318 error = kern_adjtime(td, deltap, &olddelta); 1319 if (uap->olddelta && error == 0) { 1320 CP(olddelta, tv32, tv_sec); 1321 CP(olddelta, tv32, tv_usec); 1322 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1323 } 1324 return (error); 1325 } 1326 1327 #ifdef COMPAT_FREEBSD4 1328 int 1329 freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1330 { 1331 struct statfs32 s32; 1332 struct statfs s; 1333 int error; 1334 1335 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1336 if (error) 1337 return (error); 1338 copy_statfs(&s, &s32); 1339 return (copyout(&s32, uap->buf, sizeof(s32))); 1340 } 1341 #endif 1342 1343 #ifdef COMPAT_FREEBSD4 1344 int 1345 freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1346 { 1347 struct statfs32 s32; 1348 struct statfs s; 1349 int error; 1350 1351 error = kern_fstatfs(td, uap->fd, &s); 1352 if (error) 1353 return (error); 1354 copy_statfs(&s, &s32); 1355 return (copyout(&s32, uap->buf, sizeof(s32))); 1356 } 1357 #endif 1358 1359 #ifdef COMPAT_FREEBSD4 1360 int 1361 freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1362 { 1363 struct statfs32 s32; 1364 struct statfs s; 1365 fhandle_t fh; 1366 int error; 1367 1368 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1369 return (error); 1370 error = kern_fhstatfs(td, fh, &s); 1371 if (error) 1372 return (error); 1373 copy_statfs(&s, &s32); 1374 return (copyout(&s32, uap->buf, sizeof(s32))); 1375 } 1376 #endif 1377 1378 int 1379 freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1380 { 1381 struct pread_args ap; 1382 1383 ap.fd = uap->fd; 1384 ap.buf = uap->buf; 1385 ap.nbyte = uap->nbyte; 1386 ap.offset = PAIR32TO64(off_t,uap->offset); 1387 return (sys_pread(td, &ap)); 1388 } 1389 1390 int 1391 freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1392 { 1393 struct pwrite_args ap; 1394 1395 ap.fd = uap->fd; 1396 ap.buf = uap->buf; 1397 ap.nbyte = uap->nbyte; 1398 ap.offset = PAIR32TO64(off_t,uap->offset); 1399 return (sys_pwrite(td, &ap)); 1400 } 1401 1402 #ifdef COMPAT_43 1403 int 1404 ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap) 1405 { 1406 struct lseek_args nuap; 1407 1408 nuap.fd = uap->fd; 1409 nuap.offset = uap->offset; 1410 nuap.whence = uap->whence; 1411 return (sys_lseek(td, &nuap)); 1412 } 1413 #endif 1414 1415 int 1416 freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1417 { 1418 int error; 1419 struct lseek_args ap; 1420 off_t pos; 1421 1422 ap.fd = uap->fd; 1423 ap.offset = PAIR32TO64(off_t,uap->offset); 1424 ap.whence = uap->whence; 1425 error = sys_lseek(td, &ap); 1426 /* Expand the quad return into two parts for eax and edx */ 1427 pos = td->td_uretoff.tdu_off; 1428 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1429 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1430 return error; 1431 } 1432 1433 int 1434 freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1435 { 1436 struct truncate_args ap; 1437 1438 ap.path = uap->path; 1439 ap.length = PAIR32TO64(off_t,uap->length); 1440 return (sys_truncate(td, &ap)); 1441 } 1442 1443 int 1444 freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1445 { 1446 struct ftruncate_args ap; 1447 1448 ap.fd = uap->fd; 1449 ap.length = PAIR32TO64(off_t,uap->length); 1450 return (sys_ftruncate(td, &ap)); 1451 } 1452 1453 #ifdef COMPAT_43 1454 int 1455 ofreebsd32_getdirentries(struct thread *td, 1456 struct ofreebsd32_getdirentries_args *uap) 1457 { 1458 struct ogetdirentries_args ap; 1459 int error; 1460 long loff; 1461 int32_t loff_cut; 1462 1463 ap.fd = uap->fd; 1464 ap.buf = uap->buf; 1465 ap.count = uap->count; 1466 ap.basep = NULL; 1467 error = kern_ogetdirentries(td, &ap, &loff); 1468 if (error == 0) { 1469 loff_cut = loff; 1470 error = copyout(&loff_cut, uap->basep, sizeof(int32_t)); 1471 } 1472 return (error); 1473 } 1474 #endif 1475 1476 int 1477 freebsd32_getdirentries(struct thread *td, 1478 struct freebsd32_getdirentries_args *uap) 1479 { 1480 long base; 1481 int32_t base32; 1482 int error; 1483 1484 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base, 1485 NULL, UIO_USERSPACE); 1486 if (error) 1487 return (error); 1488 if (uap->basep != NULL) { 1489 base32 = base; 1490 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1491 } 1492 return (error); 1493 } 1494 1495 #ifdef COMPAT_FREEBSD6 1496 /* versions with the 'int pad' argument */ 1497 int 1498 freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1499 { 1500 struct pread_args ap; 1501 1502 ap.fd = uap->fd; 1503 ap.buf = uap->buf; 1504 ap.nbyte = uap->nbyte; 1505 ap.offset = PAIR32TO64(off_t,uap->offset); 1506 return (sys_pread(td, &ap)); 1507 } 1508 1509 int 1510 freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1511 { 1512 struct pwrite_args ap; 1513 1514 ap.fd = uap->fd; 1515 ap.buf = uap->buf; 1516 ap.nbyte = uap->nbyte; 1517 ap.offset = PAIR32TO64(off_t,uap->offset); 1518 return (sys_pwrite(td, &ap)); 1519 } 1520 1521 int 1522 freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1523 { 1524 int error; 1525 struct lseek_args ap; 1526 off_t pos; 1527 1528 ap.fd = uap->fd; 1529 ap.offset = PAIR32TO64(off_t,uap->offset); 1530 ap.whence = uap->whence; 1531 error = sys_lseek(td, &ap); 1532 /* Expand the quad return into two parts for eax and edx */ 1533 pos = *(off_t *)(td->td_retval); 1534 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1535 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1536 return error; 1537 } 1538 1539 int 1540 freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1541 { 1542 struct truncate_args ap; 1543 1544 ap.path = uap->path; 1545 ap.length = PAIR32TO64(off_t,uap->length); 1546 return (sys_truncate(td, &ap)); 1547 } 1548 1549 int 1550 freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1551 { 1552 struct ftruncate_args ap; 1553 1554 ap.fd = uap->fd; 1555 ap.length = PAIR32TO64(off_t,uap->length); 1556 return (sys_ftruncate(td, &ap)); 1557 } 1558 #endif /* COMPAT_FREEBSD6 */ 1559 1560 struct sf_hdtr32 { 1561 uint32_t headers; 1562 int hdr_cnt; 1563 uint32_t trailers; 1564 int trl_cnt; 1565 }; 1566 1567 static int 1568 freebsd32_do_sendfile(struct thread *td, 1569 struct freebsd32_sendfile_args *uap, int compat) 1570 { 1571 struct sf_hdtr32 hdtr32; 1572 struct sf_hdtr hdtr; 1573 struct uio *hdr_uio, *trl_uio; 1574 struct file *fp; 1575 cap_rights_t rights; 1576 struct iovec32 *iov32; 1577 off_t offset, sbytes; 1578 int error; 1579 1580 offset = PAIR32TO64(off_t, uap->offset); 1581 if (offset < 0) 1582 return (EINVAL); 1583 1584 hdr_uio = trl_uio = NULL; 1585 1586 if (uap->hdtr != NULL) { 1587 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1588 if (error) 1589 goto out; 1590 PTRIN_CP(hdtr32, hdtr, headers); 1591 CP(hdtr32, hdtr, hdr_cnt); 1592 PTRIN_CP(hdtr32, hdtr, trailers); 1593 CP(hdtr32, hdtr, trl_cnt); 1594 1595 if (hdtr.headers != NULL) { 1596 iov32 = PTRIN(hdtr32.headers); 1597 error = freebsd32_copyinuio(iov32, 1598 hdtr32.hdr_cnt, &hdr_uio); 1599 if (error) 1600 goto out; 1601 } 1602 if (hdtr.trailers != NULL) { 1603 iov32 = PTRIN(hdtr32.trailers); 1604 error = freebsd32_copyinuio(iov32, 1605 hdtr32.trl_cnt, &trl_uio); 1606 if (error) 1607 goto out; 1608 } 1609 } 1610 1611 AUDIT_ARG_FD(uap->fd); 1612 1613 if ((error = fget_read(td, uap->fd, 1614 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0) 1615 goto out; 1616 1617 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset, 1618 uap->nbytes, &sbytes, uap->flags, compat ? SFK_COMPAT : 0, td); 1619 fdrop(fp, td); 1620 1621 if (uap->sbytes != NULL) 1622 copyout(&sbytes, uap->sbytes, sizeof(off_t)); 1623 1624 out: 1625 if (hdr_uio) 1626 free(hdr_uio, M_IOV); 1627 if (trl_uio) 1628 free(trl_uio, M_IOV); 1629 return (error); 1630 } 1631 1632 #ifdef COMPAT_FREEBSD4 1633 int 1634 freebsd4_freebsd32_sendfile(struct thread *td, 1635 struct freebsd4_freebsd32_sendfile_args *uap) 1636 { 1637 return (freebsd32_do_sendfile(td, 1638 (struct freebsd32_sendfile_args *)uap, 1)); 1639 } 1640 #endif 1641 1642 int 1643 freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1644 { 1645 1646 return (freebsd32_do_sendfile(td, uap, 0)); 1647 } 1648 1649 static void 1650 copy_stat(struct stat *in, struct stat32 *out) 1651 { 1652 1653 CP(*in, *out, st_dev); 1654 CP(*in, *out, st_ino); 1655 CP(*in, *out, st_mode); 1656 CP(*in, *out, st_nlink); 1657 CP(*in, *out, st_uid); 1658 CP(*in, *out, st_gid); 1659 CP(*in, *out, st_rdev); 1660 TS_CP(*in, *out, st_atim); 1661 TS_CP(*in, *out, st_mtim); 1662 TS_CP(*in, *out, st_ctim); 1663 CP(*in, *out, st_size); 1664 CP(*in, *out, st_blocks); 1665 CP(*in, *out, st_blksize); 1666 CP(*in, *out, st_flags); 1667 CP(*in, *out, st_gen); 1668 TS_CP(*in, *out, st_birthtim); 1669 } 1670 1671 #ifdef COMPAT_43 1672 static void 1673 copy_ostat(struct stat *in, struct ostat32 *out) 1674 { 1675 1676 CP(*in, *out, st_dev); 1677 CP(*in, *out, st_ino); 1678 CP(*in, *out, st_mode); 1679 CP(*in, *out, st_nlink); 1680 CP(*in, *out, st_uid); 1681 CP(*in, *out, st_gid); 1682 CP(*in, *out, st_rdev); 1683 CP(*in, *out, st_size); 1684 TS_CP(*in, *out, st_atim); 1685 TS_CP(*in, *out, st_mtim); 1686 TS_CP(*in, *out, st_ctim); 1687 CP(*in, *out, st_blksize); 1688 CP(*in, *out, st_blocks); 1689 CP(*in, *out, st_flags); 1690 CP(*in, *out, st_gen); 1691 } 1692 #endif 1693 1694 int 1695 freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1696 { 1697 struct stat sb; 1698 struct stat32 sb32; 1699 int error; 1700 1701 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, 1702 &sb, NULL); 1703 if (error) 1704 return (error); 1705 copy_stat(&sb, &sb32); 1706 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1707 return (error); 1708 } 1709 1710 #ifdef COMPAT_43 1711 int 1712 ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap) 1713 { 1714 struct stat sb; 1715 struct ostat32 sb32; 1716 int error; 1717 1718 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, 1719 &sb, NULL); 1720 if (error) 1721 return (error); 1722 copy_ostat(&sb, &sb32); 1723 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1724 return (error); 1725 } 1726 #endif 1727 1728 int 1729 freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1730 { 1731 struct stat ub; 1732 struct stat32 ub32; 1733 int error; 1734 1735 error = kern_fstat(td, uap->fd, &ub); 1736 if (error) 1737 return (error); 1738 copy_stat(&ub, &ub32); 1739 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1740 return (error); 1741 } 1742 1743 #ifdef COMPAT_43 1744 int 1745 ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap) 1746 { 1747 struct stat ub; 1748 struct ostat32 ub32; 1749 int error; 1750 1751 error = kern_fstat(td, uap->fd, &ub); 1752 if (error) 1753 return (error); 1754 copy_ostat(&ub, &ub32); 1755 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1756 return (error); 1757 } 1758 #endif 1759 1760 int 1761 freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 1762 { 1763 struct stat ub; 1764 struct stat32 ub32; 1765 int error; 1766 1767 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, 1768 &ub, NULL); 1769 if (error) 1770 return (error); 1771 copy_stat(&ub, &ub32); 1772 error = copyout(&ub32, uap->buf, sizeof(ub32)); 1773 return (error); 1774 } 1775 1776 int 1777 freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1778 { 1779 struct stat sb; 1780 struct stat32 sb32; 1781 int error; 1782 1783 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path, 1784 UIO_USERSPACE, &sb, NULL); 1785 if (error) 1786 return (error); 1787 copy_stat(&sb, &sb32); 1788 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1789 return (error); 1790 } 1791 1792 #ifdef COMPAT_43 1793 int 1794 ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap) 1795 { 1796 struct stat sb; 1797 struct ostat32 sb32; 1798 int error; 1799 1800 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path, 1801 UIO_USERSPACE, &sb, NULL); 1802 if (error) 1803 return (error); 1804 copy_ostat(&sb, &sb32); 1805 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1806 return (error); 1807 } 1808 #endif 1809 1810 int 1811 freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1812 { 1813 int error, name[CTL_MAXNAME]; 1814 size_t j, oldlen; 1815 uint32_t tmp; 1816 1817 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1818 return (EINVAL); 1819 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1820 if (error) 1821 return (error); 1822 if (uap->oldlenp) { 1823 error = fueword32(uap->oldlenp, &tmp); 1824 oldlen = tmp; 1825 } else { 1826 oldlen = 0; 1827 } 1828 if (error != 0) 1829 return (EFAULT); 1830 error = userland_sysctl(td, name, uap->namelen, 1831 uap->old, &oldlen, 1, 1832 uap->new, uap->newlen, &j, SCTL_MASK32); 1833 if (error && error != ENOMEM) 1834 return (error); 1835 if (uap->oldlenp) 1836 suword32(uap->oldlenp, j); 1837 return (0); 1838 } 1839 1840 int 1841 freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 1842 { 1843 uint32_t version; 1844 int error; 1845 struct jail j; 1846 1847 error = copyin(uap->jail, &version, sizeof(uint32_t)); 1848 if (error) 1849 return (error); 1850 1851 switch (version) { 1852 case 0: 1853 { 1854 /* FreeBSD single IPv4 jails. */ 1855 struct jail32_v0 j32_v0; 1856 1857 bzero(&j, sizeof(struct jail)); 1858 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 1859 if (error) 1860 return (error); 1861 CP(j32_v0, j, version); 1862 PTRIN_CP(j32_v0, j, path); 1863 PTRIN_CP(j32_v0, j, hostname); 1864 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */ 1865 break; 1866 } 1867 1868 case 1: 1869 /* 1870 * Version 1 was used by multi-IPv4 jail implementations 1871 * that never made it into the official kernel. 1872 */ 1873 return (EINVAL); 1874 1875 case 2: /* JAIL_API_VERSION */ 1876 { 1877 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 1878 struct jail32 j32; 1879 1880 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 1881 if (error) 1882 return (error); 1883 CP(j32, j, version); 1884 PTRIN_CP(j32, j, path); 1885 PTRIN_CP(j32, j, hostname); 1886 PTRIN_CP(j32, j, jailname); 1887 CP(j32, j, ip4s); 1888 CP(j32, j, ip6s); 1889 PTRIN_CP(j32, j, ip4); 1890 PTRIN_CP(j32, j, ip6); 1891 break; 1892 } 1893 1894 default: 1895 /* Sci-Fi jails are not supported, sorry. */ 1896 return (EINVAL); 1897 } 1898 return (kern_jail(td, &j)); 1899 } 1900 1901 int 1902 freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 1903 { 1904 struct uio *auio; 1905 int error; 1906 1907 /* Check that we have an even number of iovecs. */ 1908 if (uap->iovcnt & 1) 1909 return (EINVAL); 1910 1911 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1912 if (error) 1913 return (error); 1914 error = kern_jail_set(td, auio, uap->flags); 1915 free(auio, M_IOV); 1916 return (error); 1917 } 1918 1919 int 1920 freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 1921 { 1922 struct iovec32 iov32; 1923 struct uio *auio; 1924 int error, i; 1925 1926 /* Check that we have an even number of iovecs. */ 1927 if (uap->iovcnt & 1) 1928 return (EINVAL); 1929 1930 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1931 if (error) 1932 return (error); 1933 error = kern_jail_get(td, auio, uap->flags); 1934 if (error == 0) 1935 for (i = 0; i < uap->iovcnt; i++) { 1936 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 1937 CP(auio->uio_iov[i], iov32, iov_len); 1938 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 1939 if (error != 0) 1940 break; 1941 } 1942 free(auio, M_IOV); 1943 return (error); 1944 } 1945 1946 int 1947 freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 1948 { 1949 struct sigaction32 s32; 1950 struct sigaction sa, osa, *sap; 1951 int error; 1952 1953 if (uap->act) { 1954 error = copyin(uap->act, &s32, sizeof(s32)); 1955 if (error) 1956 return (error); 1957 sa.sa_handler = PTRIN(s32.sa_u); 1958 CP(s32, sa, sa_flags); 1959 CP(s32, sa, sa_mask); 1960 sap = &sa; 1961 } else 1962 sap = NULL; 1963 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 1964 if (error == 0 && uap->oact != NULL) { 1965 s32.sa_u = PTROUT(osa.sa_handler); 1966 CP(osa, s32, sa_flags); 1967 CP(osa, s32, sa_mask); 1968 error = copyout(&s32, uap->oact, sizeof(s32)); 1969 } 1970 return (error); 1971 } 1972 1973 #ifdef COMPAT_FREEBSD4 1974 int 1975 freebsd4_freebsd32_sigaction(struct thread *td, 1976 struct freebsd4_freebsd32_sigaction_args *uap) 1977 { 1978 struct sigaction32 s32; 1979 struct sigaction sa, osa, *sap; 1980 int error; 1981 1982 if (uap->act) { 1983 error = copyin(uap->act, &s32, sizeof(s32)); 1984 if (error) 1985 return (error); 1986 sa.sa_handler = PTRIN(s32.sa_u); 1987 CP(s32, sa, sa_flags); 1988 CP(s32, sa, sa_mask); 1989 sap = &sa; 1990 } else 1991 sap = NULL; 1992 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 1993 if (error == 0 && uap->oact != NULL) { 1994 s32.sa_u = PTROUT(osa.sa_handler); 1995 CP(osa, s32, sa_flags); 1996 CP(osa, s32, sa_mask); 1997 error = copyout(&s32, uap->oact, sizeof(s32)); 1998 } 1999 return (error); 2000 } 2001 #endif 2002 2003 #ifdef COMPAT_43 2004 struct osigaction32 { 2005 u_int32_t sa_u; 2006 osigset_t sa_mask; 2007 int sa_flags; 2008 }; 2009 2010 #define ONSIG 32 2011 2012 int 2013 ofreebsd32_sigaction(struct thread *td, 2014 struct ofreebsd32_sigaction_args *uap) 2015 { 2016 struct osigaction32 s32; 2017 struct sigaction sa, osa, *sap; 2018 int error; 2019 2020 if (uap->signum <= 0 || uap->signum >= ONSIG) 2021 return (EINVAL); 2022 2023 if (uap->nsa) { 2024 error = copyin(uap->nsa, &s32, sizeof(s32)); 2025 if (error) 2026 return (error); 2027 sa.sa_handler = PTRIN(s32.sa_u); 2028 CP(s32, sa, sa_flags); 2029 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2030 sap = &sa; 2031 } else 2032 sap = NULL; 2033 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2034 if (error == 0 && uap->osa != NULL) { 2035 s32.sa_u = PTROUT(osa.sa_handler); 2036 CP(osa, s32, sa_flags); 2037 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2038 error = copyout(&s32, uap->osa, sizeof(s32)); 2039 } 2040 return (error); 2041 } 2042 2043 int 2044 ofreebsd32_sigprocmask(struct thread *td, 2045 struct ofreebsd32_sigprocmask_args *uap) 2046 { 2047 sigset_t set, oset; 2048 int error; 2049 2050 OSIG2SIG(uap->mask, set); 2051 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2052 SIG2OSIG(oset, td->td_retval[0]); 2053 return (error); 2054 } 2055 2056 int 2057 ofreebsd32_sigpending(struct thread *td, 2058 struct ofreebsd32_sigpending_args *uap) 2059 { 2060 struct proc *p = td->td_proc; 2061 sigset_t siglist; 2062 2063 PROC_LOCK(p); 2064 siglist = p->p_siglist; 2065 SIGSETOR(siglist, td->td_siglist); 2066 PROC_UNLOCK(p); 2067 SIG2OSIG(siglist, td->td_retval[0]); 2068 return (0); 2069 } 2070 2071 struct sigvec32 { 2072 u_int32_t sv_handler; 2073 int sv_mask; 2074 int sv_flags; 2075 }; 2076 2077 int 2078 ofreebsd32_sigvec(struct thread *td, 2079 struct ofreebsd32_sigvec_args *uap) 2080 { 2081 struct sigvec32 vec; 2082 struct sigaction sa, osa, *sap; 2083 int error; 2084 2085 if (uap->signum <= 0 || uap->signum >= ONSIG) 2086 return (EINVAL); 2087 2088 if (uap->nsv) { 2089 error = copyin(uap->nsv, &vec, sizeof(vec)); 2090 if (error) 2091 return (error); 2092 sa.sa_handler = PTRIN(vec.sv_handler); 2093 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2094 sa.sa_flags = vec.sv_flags; 2095 sa.sa_flags ^= SA_RESTART; 2096 sap = &sa; 2097 } else 2098 sap = NULL; 2099 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2100 if (error == 0 && uap->osv != NULL) { 2101 vec.sv_handler = PTROUT(osa.sa_handler); 2102 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2103 vec.sv_flags = osa.sa_flags; 2104 vec.sv_flags &= ~SA_NOCLDWAIT; 2105 vec.sv_flags ^= SA_RESTART; 2106 error = copyout(&vec, uap->osv, sizeof(vec)); 2107 } 2108 return (error); 2109 } 2110 2111 int 2112 ofreebsd32_sigblock(struct thread *td, 2113 struct ofreebsd32_sigblock_args *uap) 2114 { 2115 sigset_t set, oset; 2116 2117 OSIG2SIG(uap->mask, set); 2118 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2119 SIG2OSIG(oset, td->td_retval[0]); 2120 return (0); 2121 } 2122 2123 int 2124 ofreebsd32_sigsetmask(struct thread *td, 2125 struct ofreebsd32_sigsetmask_args *uap) 2126 { 2127 sigset_t set, oset; 2128 2129 OSIG2SIG(uap->mask, set); 2130 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2131 SIG2OSIG(oset, td->td_retval[0]); 2132 return (0); 2133 } 2134 2135 int 2136 ofreebsd32_sigsuspend(struct thread *td, 2137 struct ofreebsd32_sigsuspend_args *uap) 2138 { 2139 sigset_t mask; 2140 2141 OSIG2SIG(uap->mask, mask); 2142 return (kern_sigsuspend(td, mask)); 2143 } 2144 2145 struct sigstack32 { 2146 u_int32_t ss_sp; 2147 int ss_onstack; 2148 }; 2149 2150 int 2151 ofreebsd32_sigstack(struct thread *td, 2152 struct ofreebsd32_sigstack_args *uap) 2153 { 2154 struct sigstack32 s32; 2155 struct sigstack nss, oss; 2156 int error = 0, unss; 2157 2158 if (uap->nss != NULL) { 2159 error = copyin(uap->nss, &s32, sizeof(s32)); 2160 if (error) 2161 return (error); 2162 nss.ss_sp = PTRIN(s32.ss_sp); 2163 CP(s32, nss, ss_onstack); 2164 unss = 1; 2165 } else { 2166 unss = 0; 2167 } 2168 oss.ss_sp = td->td_sigstk.ss_sp; 2169 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2170 if (unss) { 2171 td->td_sigstk.ss_sp = nss.ss_sp; 2172 td->td_sigstk.ss_size = 0; 2173 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2174 td->td_pflags |= TDP_ALTSTACK; 2175 } 2176 if (uap->oss != NULL) { 2177 s32.ss_sp = PTROUT(oss.ss_sp); 2178 CP(oss, s32, ss_onstack); 2179 error = copyout(&s32, uap->oss, sizeof(s32)); 2180 } 2181 return (error); 2182 } 2183 #endif 2184 2185 int 2186 freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2187 { 2188 struct timespec32 rmt32, rqt32; 2189 struct timespec rmt, rqt; 2190 int error; 2191 2192 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2193 if (error) 2194 return (error); 2195 2196 CP(rqt32, rqt, tv_sec); 2197 CP(rqt32, rqt, tv_nsec); 2198 2199 if (uap->rmtp && 2200 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2201 return (EFAULT); 2202 error = kern_nanosleep(td, &rqt, &rmt); 2203 if (error && uap->rmtp) { 2204 int error2; 2205 2206 CP(rmt, rmt32, tv_sec); 2207 CP(rmt, rmt32, tv_nsec); 2208 2209 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2210 if (error2) 2211 error = error2; 2212 } 2213 return (error); 2214 } 2215 2216 int 2217 freebsd32_clock_gettime(struct thread *td, 2218 struct freebsd32_clock_gettime_args *uap) 2219 { 2220 struct timespec ats; 2221 struct timespec32 ats32; 2222 int error; 2223 2224 error = kern_clock_gettime(td, uap->clock_id, &ats); 2225 if (error == 0) { 2226 CP(ats, ats32, tv_sec); 2227 CP(ats, ats32, tv_nsec); 2228 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2229 } 2230 return (error); 2231 } 2232 2233 int 2234 freebsd32_clock_settime(struct thread *td, 2235 struct freebsd32_clock_settime_args *uap) 2236 { 2237 struct timespec ats; 2238 struct timespec32 ats32; 2239 int error; 2240 2241 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2242 if (error) 2243 return (error); 2244 CP(ats32, ats, tv_sec); 2245 CP(ats32, ats, tv_nsec); 2246 2247 return (kern_clock_settime(td, uap->clock_id, &ats)); 2248 } 2249 2250 int 2251 freebsd32_clock_getres(struct thread *td, 2252 struct freebsd32_clock_getres_args *uap) 2253 { 2254 struct timespec ts; 2255 struct timespec32 ts32; 2256 int error; 2257 2258 if (uap->tp == NULL) 2259 return (0); 2260 error = kern_clock_getres(td, uap->clock_id, &ts); 2261 if (error == 0) { 2262 CP(ts, ts32, tv_sec); 2263 CP(ts, ts32, tv_nsec); 2264 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2265 } 2266 return (error); 2267 } 2268 2269 int freebsd32_ktimer_create(struct thread *td, 2270 struct freebsd32_ktimer_create_args *uap) 2271 { 2272 struct sigevent32 ev32; 2273 struct sigevent ev, *evp; 2274 int error, id; 2275 2276 if (uap->evp == NULL) { 2277 evp = NULL; 2278 } else { 2279 evp = &ev; 2280 error = copyin(uap->evp, &ev32, sizeof(ev32)); 2281 if (error != 0) 2282 return (error); 2283 error = convert_sigevent32(&ev32, &ev); 2284 if (error != 0) 2285 return (error); 2286 } 2287 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1); 2288 if (error == 0) { 2289 error = copyout(&id, uap->timerid, sizeof(int)); 2290 if (error != 0) 2291 kern_ktimer_delete(td, id); 2292 } 2293 return (error); 2294 } 2295 2296 int 2297 freebsd32_ktimer_settime(struct thread *td, 2298 struct freebsd32_ktimer_settime_args *uap) 2299 { 2300 struct itimerspec32 val32, oval32; 2301 struct itimerspec val, oval, *ovalp; 2302 int error; 2303 2304 error = copyin(uap->value, &val32, sizeof(val32)); 2305 if (error != 0) 2306 return (error); 2307 ITS_CP(val32, val); 2308 ovalp = uap->ovalue != NULL ? &oval : NULL; 2309 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp); 2310 if (error == 0 && uap->ovalue != NULL) { 2311 ITS_CP(oval, oval32); 2312 error = copyout(&oval32, uap->ovalue, sizeof(oval32)); 2313 } 2314 return (error); 2315 } 2316 2317 int 2318 freebsd32_ktimer_gettime(struct thread *td, 2319 struct freebsd32_ktimer_gettime_args *uap) 2320 { 2321 struct itimerspec32 val32; 2322 struct itimerspec val; 2323 int error; 2324 2325 error = kern_ktimer_gettime(td, uap->timerid, &val); 2326 if (error == 0) { 2327 ITS_CP(val, val32); 2328 error = copyout(&val32, uap->value, sizeof(val32)); 2329 } 2330 return (error); 2331 } 2332 2333 int 2334 freebsd32_clock_getcpuclockid2(struct thread *td, 2335 struct freebsd32_clock_getcpuclockid2_args *uap) 2336 { 2337 clockid_t clk_id; 2338 int error; 2339 2340 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id), 2341 uap->which, &clk_id); 2342 if (error == 0) 2343 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t)); 2344 return (error); 2345 } 2346 2347 int 2348 freebsd32_thr_new(struct thread *td, 2349 struct freebsd32_thr_new_args *uap) 2350 { 2351 struct thr_param32 param32; 2352 struct thr_param param; 2353 int error; 2354 2355 if (uap->param_size < 0 || 2356 uap->param_size > sizeof(struct thr_param32)) 2357 return (EINVAL); 2358 bzero(¶m, sizeof(struct thr_param)); 2359 bzero(¶m32, sizeof(struct thr_param32)); 2360 error = copyin(uap->param, ¶m32, uap->param_size); 2361 if (error != 0) 2362 return (error); 2363 param.start_func = PTRIN(param32.start_func); 2364 param.arg = PTRIN(param32.arg); 2365 param.stack_base = PTRIN(param32.stack_base); 2366 param.stack_size = param32.stack_size; 2367 param.tls_base = PTRIN(param32.tls_base); 2368 param.tls_size = param32.tls_size; 2369 param.child_tid = PTRIN(param32.child_tid); 2370 param.parent_tid = PTRIN(param32.parent_tid); 2371 param.flags = param32.flags; 2372 param.rtp = PTRIN(param32.rtp); 2373 param.spare[0] = PTRIN(param32.spare[0]); 2374 param.spare[1] = PTRIN(param32.spare[1]); 2375 param.spare[2] = PTRIN(param32.spare[2]); 2376 2377 return (kern_thr_new(td, ¶m)); 2378 } 2379 2380 int 2381 freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2382 { 2383 struct timespec32 ts32; 2384 struct timespec ts, *tsp; 2385 int error; 2386 2387 error = 0; 2388 tsp = NULL; 2389 if (uap->timeout != NULL) { 2390 error = copyin((const void *)uap->timeout, (void *)&ts32, 2391 sizeof(struct timespec32)); 2392 if (error != 0) 2393 return (error); 2394 ts.tv_sec = ts32.tv_sec; 2395 ts.tv_nsec = ts32.tv_nsec; 2396 tsp = &ts; 2397 } 2398 return (kern_thr_suspend(td, tsp)); 2399 } 2400 2401 void 2402 siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2403 { 2404 bzero(dst, sizeof(*dst)); 2405 dst->si_signo = src->si_signo; 2406 dst->si_errno = src->si_errno; 2407 dst->si_code = src->si_code; 2408 dst->si_pid = src->si_pid; 2409 dst->si_uid = src->si_uid; 2410 dst->si_status = src->si_status; 2411 dst->si_addr = (uintptr_t)src->si_addr; 2412 dst->si_value.sival_int = src->si_value.sival_int; 2413 dst->si_timerid = src->si_timerid; 2414 dst->si_overrun = src->si_overrun; 2415 } 2416 2417 int 2418 freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2419 { 2420 struct timespec32 ts32; 2421 struct timespec ts; 2422 struct timespec *timeout; 2423 sigset_t set; 2424 ksiginfo_t ksi; 2425 struct siginfo32 si32; 2426 int error; 2427 2428 if (uap->timeout) { 2429 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2430 if (error) 2431 return (error); 2432 ts.tv_sec = ts32.tv_sec; 2433 ts.tv_nsec = ts32.tv_nsec; 2434 timeout = &ts; 2435 } else 2436 timeout = NULL; 2437 2438 error = copyin(uap->set, &set, sizeof(set)); 2439 if (error) 2440 return (error); 2441 2442 error = kern_sigtimedwait(td, set, &ksi, timeout); 2443 if (error) 2444 return (error); 2445 2446 if (uap->info) { 2447 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2448 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2449 } 2450 2451 if (error == 0) 2452 td->td_retval[0] = ksi.ksi_signo; 2453 return (error); 2454 } 2455 2456 /* 2457 * MPSAFE 2458 */ 2459 int 2460 freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2461 { 2462 ksiginfo_t ksi; 2463 struct siginfo32 si32; 2464 sigset_t set; 2465 int error; 2466 2467 error = copyin(uap->set, &set, sizeof(set)); 2468 if (error) 2469 return (error); 2470 2471 error = kern_sigtimedwait(td, set, &ksi, NULL); 2472 if (error) 2473 return (error); 2474 2475 if (uap->info) { 2476 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2477 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2478 } 2479 if (error == 0) 2480 td->td_retval[0] = ksi.ksi_signo; 2481 return (error); 2482 } 2483 2484 int 2485 freebsd32_cpuset_setid(struct thread *td, 2486 struct freebsd32_cpuset_setid_args *uap) 2487 { 2488 struct cpuset_setid_args ap; 2489 2490 ap.which = uap->which; 2491 ap.id = PAIR32TO64(id_t,uap->id); 2492 ap.setid = uap->setid; 2493 2494 return (sys_cpuset_setid(td, &ap)); 2495 } 2496 2497 int 2498 freebsd32_cpuset_getid(struct thread *td, 2499 struct freebsd32_cpuset_getid_args *uap) 2500 { 2501 struct cpuset_getid_args ap; 2502 2503 ap.level = uap->level; 2504 ap.which = uap->which; 2505 ap.id = PAIR32TO64(id_t,uap->id); 2506 ap.setid = uap->setid; 2507 2508 return (sys_cpuset_getid(td, &ap)); 2509 } 2510 2511 int 2512 freebsd32_cpuset_getaffinity(struct thread *td, 2513 struct freebsd32_cpuset_getaffinity_args *uap) 2514 { 2515 struct cpuset_getaffinity_args ap; 2516 2517 ap.level = uap->level; 2518 ap.which = uap->which; 2519 ap.id = PAIR32TO64(id_t,uap->id); 2520 ap.cpusetsize = uap->cpusetsize; 2521 ap.mask = uap->mask; 2522 2523 return (sys_cpuset_getaffinity(td, &ap)); 2524 } 2525 2526 int 2527 freebsd32_cpuset_setaffinity(struct thread *td, 2528 struct freebsd32_cpuset_setaffinity_args *uap) 2529 { 2530 struct cpuset_setaffinity_args ap; 2531 2532 ap.level = uap->level; 2533 ap.which = uap->which; 2534 ap.id = PAIR32TO64(id_t,uap->id); 2535 ap.cpusetsize = uap->cpusetsize; 2536 ap.mask = uap->mask; 2537 2538 return (sys_cpuset_setaffinity(td, &ap)); 2539 } 2540 2541 int 2542 freebsd32_nmount(struct thread *td, 2543 struct freebsd32_nmount_args /* { 2544 struct iovec *iovp; 2545 unsigned int iovcnt; 2546 int flags; 2547 } */ *uap) 2548 { 2549 struct uio *auio; 2550 uint64_t flags; 2551 int error; 2552 2553 /* 2554 * Mount flags are now 64-bits. On 32-bit archtectures only 2555 * 32-bits are passed in, but from here on everything handles 2556 * 64-bit flags correctly. 2557 */ 2558 flags = uap->flags; 2559 2560 AUDIT_ARG_FFLAGS(flags); 2561 2562 /* 2563 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2564 * userspace to set this flag, but we must filter it out if we want 2565 * MNT_UPDATE on the root file system to work. 2566 * MNT_ROOTFS should only be set by the kernel when mounting its 2567 * root file system. 2568 */ 2569 flags &= ~MNT_ROOTFS; 2570 2571 /* 2572 * check that we have an even number of iovec's 2573 * and that we have at least two options. 2574 */ 2575 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2576 return (EINVAL); 2577 2578 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2579 if (error) 2580 return (error); 2581 error = vfs_donmount(td, flags, auio); 2582 2583 free(auio, M_IOV); 2584 return error; 2585 } 2586 2587 #if 0 2588 int 2589 freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2590 { 2591 struct yyy32 *p32, s32; 2592 struct yyy *p = NULL, s; 2593 struct xxx_arg ap; 2594 int error; 2595 2596 if (uap->zzz) { 2597 error = copyin(uap->zzz, &s32, sizeof(s32)); 2598 if (error) 2599 return (error); 2600 /* translate in */ 2601 p = &s; 2602 } 2603 error = kern_xxx(td, p); 2604 if (error) 2605 return (error); 2606 if (uap->zzz) { 2607 /* translate out */ 2608 error = copyout(&s32, p32, sizeof(s32)); 2609 } 2610 return (error); 2611 } 2612 #endif 2613 2614 int 2615 syscall32_register(int *offset, struct sysent *new_sysent, 2616 struct sysent *old_sysent, int flags) 2617 { 2618 2619 if ((flags & ~SY_THR_STATIC) != 0) 2620 return (EINVAL); 2621 2622 if (*offset == NO_SYSCALL) { 2623 int i; 2624 2625 for (i = 1; i < SYS_MAXSYSCALL; ++i) 2626 if (freebsd32_sysent[i].sy_call == 2627 (sy_call_t *)lkmnosys) 2628 break; 2629 if (i == SYS_MAXSYSCALL) 2630 return (ENFILE); 2631 *offset = i; 2632 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2633 return (EINVAL); 2634 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2635 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2636 return (EEXIST); 2637 2638 *old_sysent = freebsd32_sysent[*offset]; 2639 freebsd32_sysent[*offset] = *new_sysent; 2640 atomic_store_rel_32(&freebsd32_sysent[*offset].sy_thrcnt, flags); 2641 return (0); 2642 } 2643 2644 int 2645 syscall32_deregister(int *offset, struct sysent *old_sysent) 2646 { 2647 2648 if (*offset == 0) 2649 return (0); 2650 2651 freebsd32_sysent[*offset] = *old_sysent; 2652 return (0); 2653 } 2654 2655 int 2656 syscall32_module_handler(struct module *mod, int what, void *arg) 2657 { 2658 struct syscall_module_data *data = (struct syscall_module_data*)arg; 2659 modspecific_t ms; 2660 int error; 2661 2662 switch (what) { 2663 case MOD_LOAD: 2664 error = syscall32_register(data->offset, data->new_sysent, 2665 &data->old_sysent, SY_THR_STATIC_KLD); 2666 if (error) { 2667 /* Leave a mark so we know to safely unload below. */ 2668 data->offset = NULL; 2669 return error; 2670 } 2671 ms.intval = *data->offset; 2672 MOD_XLOCK; 2673 module_setspecific(mod, &ms); 2674 MOD_XUNLOCK; 2675 if (data->chainevh) 2676 error = data->chainevh(mod, what, data->chainarg); 2677 return (error); 2678 case MOD_UNLOAD: 2679 /* 2680 * MOD_LOAD failed, so just return without calling the 2681 * chained handler since we didn't pass along the MOD_LOAD 2682 * event. 2683 */ 2684 if (data->offset == NULL) 2685 return (0); 2686 if (data->chainevh) { 2687 error = data->chainevh(mod, what, data->chainarg); 2688 if (error) 2689 return (error); 2690 } 2691 error = syscall32_deregister(data->offset, &data->old_sysent); 2692 return (error); 2693 default: 2694 error = EOPNOTSUPP; 2695 if (data->chainevh) 2696 error = data->chainevh(mod, what, data->chainarg); 2697 return (error); 2698 } 2699 } 2700 2701 int 2702 syscall32_helper_register(struct syscall_helper_data *sd, int flags) 2703 { 2704 struct syscall_helper_data *sd1; 2705 int error; 2706 2707 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) { 2708 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent, 2709 &sd1->old_sysent, flags); 2710 if (error != 0) { 2711 syscall32_helper_unregister(sd); 2712 return (error); 2713 } 2714 sd1->registered = 1; 2715 } 2716 return (0); 2717 } 2718 2719 int 2720 syscall32_helper_unregister(struct syscall_helper_data *sd) 2721 { 2722 struct syscall_helper_data *sd1; 2723 2724 for (sd1 = sd; sd1->registered != 0; sd1++) { 2725 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent); 2726 sd1->registered = 0; 2727 } 2728 return (0); 2729 } 2730 2731 register_t * 2732 freebsd32_copyout_strings(struct image_params *imgp) 2733 { 2734 int argc, envc, i; 2735 u_int32_t *vectp; 2736 char *stringp; 2737 uintptr_t destp; 2738 u_int32_t *stack_base; 2739 struct freebsd32_ps_strings *arginfo; 2740 char canary[sizeof(long) * 8]; 2741 int32_t pagesizes32[MAXPAGESIZES]; 2742 size_t execpath_len; 2743 int szsigcode; 2744 2745 /* 2746 * Calculate string base and vector table pointers. 2747 * Also deal with signal trampoline code for this exec type. 2748 */ 2749 if (imgp->execpath != NULL && imgp->auxargs != NULL) 2750 execpath_len = strlen(imgp->execpath) + 1; 2751 else 2752 execpath_len = 0; 2753 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 2754 sv_psstrings; 2755 if (imgp->proc->p_sysent->sv_sigcode_base == 0) 2756 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 2757 else 2758 szsigcode = 0; 2759 destp = (uintptr_t)arginfo; 2760 2761 /* 2762 * install sigcode 2763 */ 2764 if (szsigcode != 0) { 2765 destp -= szsigcode; 2766 destp = rounddown2(destp, sizeof(uint32_t)); 2767 copyout(imgp->proc->p_sysent->sv_sigcode, (void *)destp, 2768 szsigcode); 2769 } 2770 2771 /* 2772 * Copy the image path for the rtld. 2773 */ 2774 if (execpath_len != 0) { 2775 destp -= execpath_len; 2776 imgp->execpathp = destp; 2777 copyout(imgp->execpath, (void *)destp, execpath_len); 2778 } 2779 2780 /* 2781 * Prepare the canary for SSP. 2782 */ 2783 arc4rand(canary, sizeof(canary), 0); 2784 destp -= sizeof(canary); 2785 imgp->canary = destp; 2786 copyout(canary, (void *)destp, sizeof(canary)); 2787 imgp->canarylen = sizeof(canary); 2788 2789 /* 2790 * Prepare the pagesizes array. 2791 */ 2792 for (i = 0; i < MAXPAGESIZES; i++) 2793 pagesizes32[i] = (uint32_t)pagesizes[i]; 2794 destp -= sizeof(pagesizes32); 2795 destp = rounddown2(destp, sizeof(uint32_t)); 2796 imgp->pagesizes = destp; 2797 copyout(pagesizes32, (void *)destp, sizeof(pagesizes32)); 2798 imgp->pagesizeslen = sizeof(pagesizes32); 2799 2800 destp -= ARG_MAX - imgp->args->stringspace; 2801 destp = rounddown2(destp, sizeof(uint32_t)); 2802 2803 /* 2804 * If we have a valid auxargs ptr, prepare some room 2805 * on the stack. 2806 */ 2807 if (imgp->auxargs) { 2808 /* 2809 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 2810 * lower compatibility. 2811 */ 2812 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 2813 : (AT_COUNT * 2); 2814 /* 2815 * The '+ 2' is for the null pointers at the end of each of 2816 * the arg and env vector sets,and imgp->auxarg_size is room 2817 * for argument of Runtime loader. 2818 */ 2819 vectp = (u_int32_t *) (destp - (imgp->args->argc + 2820 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 2821 sizeof(u_int32_t)); 2822 } else { 2823 /* 2824 * The '+ 2' is for the null pointers at the end of each of 2825 * the arg and env vector sets 2826 */ 2827 vectp = (u_int32_t *)(destp - (imgp->args->argc + 2828 imgp->args->envc + 2) * sizeof(u_int32_t)); 2829 } 2830 2831 /* 2832 * vectp also becomes our initial stack base 2833 */ 2834 stack_base = vectp; 2835 2836 stringp = imgp->args->begin_argv; 2837 argc = imgp->args->argc; 2838 envc = imgp->args->envc; 2839 /* 2840 * Copy out strings - arguments and environment. 2841 */ 2842 copyout(stringp, (void *)destp, ARG_MAX - imgp->args->stringspace); 2843 2844 /* 2845 * Fill in "ps_strings" struct for ps, w, etc. 2846 */ 2847 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 2848 suword32(&arginfo->ps_nargvstr, argc); 2849 2850 /* 2851 * Fill in argument portion of vector table. 2852 */ 2853 for (; argc > 0; --argc) { 2854 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2855 while (*stringp++ != 0) 2856 destp++; 2857 destp++; 2858 } 2859 2860 /* a null vector table pointer separates the argp's from the envp's */ 2861 suword32(vectp++, 0); 2862 2863 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 2864 suword32(&arginfo->ps_nenvstr, envc); 2865 2866 /* 2867 * Fill in environment portion of vector table. 2868 */ 2869 for (; envc > 0; --envc) { 2870 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2871 while (*stringp++ != 0) 2872 destp++; 2873 destp++; 2874 } 2875 2876 /* end of vector table is a null pointer */ 2877 suword32(vectp, 0); 2878 2879 return ((register_t *)stack_base); 2880 } 2881 2882 int 2883 freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap) 2884 { 2885 struct kld_file_stat stat; 2886 struct kld32_file_stat stat32; 2887 int error, version; 2888 2889 if ((error = copyin(&uap->stat->version, &version, sizeof(version))) 2890 != 0) 2891 return (error); 2892 if (version != sizeof(struct kld32_file_stat_1) && 2893 version != sizeof(struct kld32_file_stat)) 2894 return (EINVAL); 2895 2896 error = kern_kldstat(td, uap->fileid, &stat); 2897 if (error != 0) 2898 return (error); 2899 2900 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name)); 2901 CP(stat, stat32, refs); 2902 CP(stat, stat32, id); 2903 PTROUT_CP(stat, stat32, address); 2904 CP(stat, stat32, size); 2905 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname)); 2906 return (copyout(&stat32, uap->stat, version)); 2907 } 2908 2909 int 2910 freebsd32_posix_fallocate(struct thread *td, 2911 struct freebsd32_posix_fallocate_args *uap) 2912 { 2913 2914 td->td_retval[0] = kern_posix_fallocate(td, uap->fd, 2915 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len)); 2916 return (0); 2917 } 2918 2919 int 2920 freebsd32_posix_fadvise(struct thread *td, 2921 struct freebsd32_posix_fadvise_args *uap) 2922 { 2923 2924 td->td_retval[0] = kern_posix_fadvise(td, uap->fd, 2925 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len), 2926 uap->advice); 2927 return (0); 2928 } 2929 2930 int 2931 convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig) 2932 { 2933 2934 CP(*sig32, *sig, sigev_notify); 2935 switch (sig->sigev_notify) { 2936 case SIGEV_NONE: 2937 break; 2938 case SIGEV_THREAD_ID: 2939 CP(*sig32, *sig, sigev_notify_thread_id); 2940 /* FALLTHROUGH */ 2941 case SIGEV_SIGNAL: 2942 CP(*sig32, *sig, sigev_signo); 2943 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 2944 break; 2945 case SIGEV_KEVENT: 2946 CP(*sig32, *sig, sigev_notify_kqueue); 2947 CP(*sig32, *sig, sigev_notify_kevent_flags); 2948 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 2949 break; 2950 default: 2951 return (EINVAL); 2952 } 2953 return (0); 2954 } 2955 2956 int 2957 freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap) 2958 { 2959 void *data; 2960 union { 2961 struct procctl_reaper_status rs; 2962 struct procctl_reaper_pids rp; 2963 struct procctl_reaper_kill rk; 2964 } x; 2965 union { 2966 struct procctl_reaper_pids32 rp; 2967 } x32; 2968 int error, error1, flags; 2969 2970 switch (uap->com) { 2971 case PROC_SPROTECT: 2972 error = copyin(PTRIN(uap->data), &flags, sizeof(flags)); 2973 if (error != 0) 2974 return (error); 2975 data = &flags; 2976 break; 2977 case PROC_REAP_ACQUIRE: 2978 case PROC_REAP_RELEASE: 2979 if (uap->data != NULL) 2980 return (EINVAL); 2981 data = NULL; 2982 break; 2983 case PROC_REAP_STATUS: 2984 data = &x.rs; 2985 break; 2986 case PROC_REAP_GETPIDS: 2987 error = copyin(uap->data, &x32.rp, sizeof(x32.rp)); 2988 if (error != 0) 2989 return (error); 2990 CP(x32.rp, x.rp, rp_count); 2991 PTRIN_CP(x32.rp, x.rp, rp_pids); 2992 data = &x.rp; 2993 break; 2994 case PROC_REAP_KILL: 2995 error = copyin(uap->data, &x.rk, sizeof(x.rk)); 2996 if (error != 0) 2997 return (error); 2998 data = &x.rk; 2999 break; 3000 default: 3001 return (EINVAL); 3002 } 3003 error = kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id), 3004 uap->com, data); 3005 switch (uap->com) { 3006 case PROC_REAP_STATUS: 3007 if (error == 0) 3008 error = copyout(&x.rs, uap->data, sizeof(x.rs)); 3009 break; 3010 case PROC_REAP_KILL: 3011 error1 = copyout(&x.rk, uap->data, sizeof(x.rk)); 3012 if (error == 0) 3013 error = error1; 3014 break; 3015 } 3016 return (error); 3017 } 3018 3019 int 3020 freebsd32_fcntl(struct thread *td, struct freebsd32_fcntl_args *uap) 3021 { 3022 long tmp; 3023 3024 switch (uap->cmd) { 3025 /* 3026 * Do unsigned conversion for arg when operation 3027 * interprets it as flags or pointer. 3028 */ 3029 case F_SETLK_REMOTE: 3030 case F_SETLKW: 3031 case F_SETLK: 3032 case F_GETLK: 3033 case F_SETFD: 3034 case F_SETFL: 3035 tmp = (unsigned int)(uap->arg); 3036 break; 3037 default: 3038 tmp = uap->arg; 3039 break; 3040 } 3041 return (kern_fcntl_freebsd(td, uap->fd, uap->cmd, tmp)); 3042 } 3043 3044 int 3045 freebsd32_ppoll(struct thread *td, struct freebsd32_ppoll_args *uap) 3046 { 3047 struct timespec32 ts32; 3048 struct timespec ts, *tsp; 3049 sigset_t set, *ssp; 3050 int error; 3051 3052 if (uap->ts != NULL) { 3053 error = copyin(uap->ts, &ts32, sizeof(ts32)); 3054 if (error != 0) 3055 return (error); 3056 CP(ts32, ts, tv_sec); 3057 CP(ts32, ts, tv_nsec); 3058 tsp = &ts; 3059 } else 3060 tsp = NULL; 3061 if (uap->set != NULL) { 3062 error = copyin(uap->set, &set, sizeof(set)); 3063 if (error != 0) 3064 return (error); 3065 ssp = &set; 3066 } else 3067 ssp = NULL; 3068 3069 return (kern_poll(td, uap->fds, uap->nfds, tsp, ssp)); 3070 } 3071