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, 248 struct freebsd4_freebsd32_getfsstat_args *uap) 249 { 250 struct statfs *buf, *sp; 251 struct statfs32 stat32; 252 size_t count, size, copycount; 253 int error; 254 255 count = uap->bufsize / sizeof(struct statfs32); 256 size = count * sizeof(struct statfs); 257 error = kern_getfsstat(td, &buf, size, &count, UIO_SYSSPACE, uap->mode); 258 if (size > 0) { 259 sp = buf; 260 copycount = count; 261 while (copycount > 0 && error == 0) { 262 copy_statfs(sp, &stat32); 263 error = copyout(&stat32, uap->buf, sizeof(stat32)); 264 sp++; 265 uap->buf++; 266 copycount--; 267 } 268 free(buf, M_STATFS); 269 } 270 if (error == 0) 271 td->td_retval[0] = count; 272 return (error); 273 } 274 #endif 275 276 #ifdef COMPAT_FREEBSD10 277 int 278 freebsd10_freebsd32_pipe(struct thread *td, 279 struct freebsd10_freebsd32_pipe_args *uap) { 280 281 return (freebsd10_pipe(td, (struct freebsd10_pipe_args*)uap)); 282 } 283 #endif 284 285 int 286 freebsd32_sigaltstack(struct thread *td, 287 struct freebsd32_sigaltstack_args *uap) 288 { 289 struct sigaltstack32 s32; 290 struct sigaltstack ss, oss, *ssp; 291 int error; 292 293 if (uap->ss != NULL) { 294 error = copyin(uap->ss, &s32, sizeof(s32)); 295 if (error) 296 return (error); 297 PTRIN_CP(s32, ss, ss_sp); 298 CP(s32, ss, ss_size); 299 CP(s32, ss, ss_flags); 300 ssp = &ss; 301 } else 302 ssp = NULL; 303 error = kern_sigaltstack(td, ssp, &oss); 304 if (error == 0 && uap->oss != NULL) { 305 PTROUT_CP(oss, s32, ss_sp); 306 CP(oss, s32, ss_size); 307 CP(oss, s32, ss_flags); 308 error = copyout(&s32, uap->oss, sizeof(s32)); 309 } 310 return (error); 311 } 312 313 /* 314 * Custom version of exec_copyin_args() so that we can translate 315 * the pointers. 316 */ 317 int 318 freebsd32_exec_copyin_args(struct image_args *args, char *fname, 319 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 320 { 321 char *argp, *envp; 322 u_int32_t *p32, arg; 323 size_t length; 324 int error; 325 326 bzero(args, sizeof(*args)); 327 if (argv == NULL) 328 return (EFAULT); 329 330 /* 331 * Allocate demand-paged memory for the file name, argument, and 332 * environment strings. 333 */ 334 error = exec_alloc_args(args); 335 if (error != 0) 336 return (error); 337 338 /* 339 * Copy the file name. 340 */ 341 if (fname != NULL) { 342 args->fname = args->buf; 343 error = (segflg == UIO_SYSSPACE) ? 344 copystr(fname, args->fname, PATH_MAX, &length) : 345 copyinstr(fname, args->fname, PATH_MAX, &length); 346 if (error != 0) 347 goto err_exit; 348 } else 349 length = 0; 350 351 args->begin_argv = args->buf + length; 352 args->endp = args->begin_argv; 353 args->stringspace = ARG_MAX; 354 355 /* 356 * extract arguments first 357 */ 358 p32 = argv; 359 for (;;) { 360 error = copyin(p32++, &arg, sizeof(arg)); 361 if (error) 362 goto err_exit; 363 if (arg == 0) 364 break; 365 argp = PTRIN(arg); 366 error = copyinstr(argp, args->endp, args->stringspace, &length); 367 if (error) { 368 if (error == ENAMETOOLONG) 369 error = E2BIG; 370 goto err_exit; 371 } 372 args->stringspace -= length; 373 args->endp += length; 374 args->argc++; 375 } 376 377 args->begin_envv = args->endp; 378 379 /* 380 * extract environment strings 381 */ 382 if (envv) { 383 p32 = envv; 384 for (;;) { 385 error = copyin(p32++, &arg, sizeof(arg)); 386 if (error) 387 goto err_exit; 388 if (arg == 0) 389 break; 390 envp = PTRIN(arg); 391 error = copyinstr(envp, args->endp, args->stringspace, 392 &length); 393 if (error) { 394 if (error == ENAMETOOLONG) 395 error = E2BIG; 396 goto err_exit; 397 } 398 args->stringspace -= length; 399 args->endp += length; 400 args->envc++; 401 } 402 } 403 404 return (0); 405 406 err_exit: 407 exec_free_args(args); 408 return (error); 409 } 410 411 int 412 freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 413 { 414 struct image_args eargs; 415 struct vmspace *oldvmspace; 416 int error; 417 418 error = pre_execve(td, &oldvmspace); 419 if (error != 0) 420 return (error); 421 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 422 uap->argv, uap->envv); 423 if (error == 0) 424 error = kern_execve(td, &eargs, NULL); 425 post_execve(td, error, oldvmspace); 426 return (error); 427 } 428 429 int 430 freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 431 { 432 struct image_args eargs; 433 struct vmspace *oldvmspace; 434 int error; 435 436 error = pre_execve(td, &oldvmspace); 437 if (error != 0) 438 return (error); 439 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 440 uap->argv, uap->envv); 441 if (error == 0) { 442 eargs.fd = uap->fd; 443 error = kern_execve(td, &eargs, NULL); 444 } 445 post_execve(td, error, oldvmspace); 446 return (error); 447 } 448 449 int 450 freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap) 451 { 452 int prot; 453 454 prot = uap->prot; 455 #if defined(__amd64__) 456 if (i386_read_exec && (prot & PROT_READ) != 0) 457 prot |= PROT_EXEC; 458 #endif 459 return (kern_mprotect(td, (uintptr_t)PTRIN(uap->addr), uap->len, 460 prot)); 461 } 462 463 int 464 freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 465 { 466 int prot; 467 468 prot = uap->prot; 469 #if defined(__amd64__) 470 if (i386_read_exec && (prot & PROT_READ)) 471 prot |= PROT_EXEC; 472 #endif 473 474 return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, prot, 475 uap->flags, uap->fd, PAIR32TO64(off_t, uap->pos))); 476 } 477 478 #ifdef COMPAT_FREEBSD6 479 int 480 freebsd6_freebsd32_mmap(struct thread *td, 481 struct freebsd6_freebsd32_mmap_args *uap) 482 { 483 int prot; 484 485 prot = uap->prot; 486 #if defined(__amd64__) 487 if (i386_read_exec && (prot & PROT_READ)) 488 prot |= PROT_EXEC; 489 #endif 490 491 return (kern_mmap(td, (uintptr_t)uap->addr, uap->len, prot, 492 uap->flags, uap->fd, PAIR32TO64(off_t, uap->pos))); 493 } 494 #endif 495 496 int 497 freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 498 { 499 struct itimerval itv, oitv, *itvp; 500 struct itimerval32 i32; 501 int error; 502 503 if (uap->itv != NULL) { 504 error = copyin(uap->itv, &i32, sizeof(i32)); 505 if (error) 506 return (error); 507 TV_CP(i32, itv, it_interval); 508 TV_CP(i32, itv, it_value); 509 itvp = &itv; 510 } else 511 itvp = NULL; 512 error = kern_setitimer(td, uap->which, itvp, &oitv); 513 if (error || uap->oitv == NULL) 514 return (error); 515 TV_CP(oitv, i32, it_interval); 516 TV_CP(oitv, i32, it_value); 517 return (copyout(&i32, uap->oitv, sizeof(i32))); 518 } 519 520 int 521 freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 522 { 523 struct itimerval itv; 524 struct itimerval32 i32; 525 int error; 526 527 error = kern_getitimer(td, uap->which, &itv); 528 if (error || uap->itv == NULL) 529 return (error); 530 TV_CP(itv, i32, it_interval); 531 TV_CP(itv, i32, it_value); 532 return (copyout(&i32, uap->itv, sizeof(i32))); 533 } 534 535 int 536 freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 537 { 538 struct timeval32 tv32; 539 struct timeval tv, *tvp; 540 int error; 541 542 if (uap->tv != NULL) { 543 error = copyin(uap->tv, &tv32, sizeof(tv32)); 544 if (error) 545 return (error); 546 CP(tv32, tv, tv_sec); 547 CP(tv32, tv, tv_usec); 548 tvp = &tv; 549 } else 550 tvp = NULL; 551 /* 552 * XXX Do pointers need PTRIN()? 553 */ 554 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 555 sizeof(int32_t) * 8)); 556 } 557 558 int 559 freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 560 { 561 struct timespec32 ts32; 562 struct timespec ts; 563 struct timeval tv, *tvp; 564 sigset_t set, *uset; 565 int error; 566 567 if (uap->ts != NULL) { 568 error = copyin(uap->ts, &ts32, sizeof(ts32)); 569 if (error != 0) 570 return (error); 571 CP(ts32, ts, tv_sec); 572 CP(ts32, ts, tv_nsec); 573 TIMESPEC_TO_TIMEVAL(&tv, &ts); 574 tvp = &tv; 575 } else 576 tvp = NULL; 577 if (uap->sm != NULL) { 578 error = copyin(uap->sm, &set, sizeof(set)); 579 if (error != 0) 580 return (error); 581 uset = &set; 582 } else 583 uset = NULL; 584 /* 585 * XXX Do pointers need PTRIN()? 586 */ 587 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 588 uset, sizeof(int32_t) * 8); 589 return (error); 590 } 591 592 /* 593 * Copy 'count' items into the destination list pointed to by uap->eventlist. 594 */ 595 static int 596 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 597 { 598 struct freebsd32_kevent_args *uap; 599 struct kevent32 ks32[KQ_NEVENTS]; 600 int i, error = 0; 601 602 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 603 uap = (struct freebsd32_kevent_args *)arg; 604 605 for (i = 0; i < count; i++) { 606 CP(kevp[i], ks32[i], ident); 607 CP(kevp[i], ks32[i], filter); 608 CP(kevp[i], ks32[i], flags); 609 CP(kevp[i], ks32[i], fflags); 610 CP(kevp[i], ks32[i], data); 611 PTROUT_CP(kevp[i], ks32[i], udata); 612 } 613 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 614 if (error == 0) 615 uap->eventlist += count; 616 return (error); 617 } 618 619 /* 620 * Copy 'count' items from the list pointed to by uap->changelist. 621 */ 622 static int 623 freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 624 { 625 struct freebsd32_kevent_args *uap; 626 struct kevent32 ks32[KQ_NEVENTS]; 627 int i, error = 0; 628 629 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 630 uap = (struct freebsd32_kevent_args *)arg; 631 632 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 633 if (error) 634 goto done; 635 uap->changelist += count; 636 637 for (i = 0; i < count; i++) { 638 CP(ks32[i], kevp[i], ident); 639 CP(ks32[i], kevp[i], filter); 640 CP(ks32[i], kevp[i], flags); 641 CP(ks32[i], kevp[i], fflags); 642 CP(ks32[i], kevp[i], data); 643 PTRIN_CP(ks32[i], kevp[i], udata); 644 } 645 done: 646 return (error); 647 } 648 649 int 650 freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 651 { 652 struct timespec32 ts32; 653 struct timespec ts, *tsp; 654 struct kevent_copyops k_ops = { uap, 655 freebsd32_kevent_copyout, 656 freebsd32_kevent_copyin}; 657 int error; 658 659 660 if (uap->timeout) { 661 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 662 if (error) 663 return (error); 664 CP(ts32, ts, tv_sec); 665 CP(ts32, ts, tv_nsec); 666 tsp = &ts; 667 } else 668 tsp = NULL; 669 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 670 &k_ops, tsp); 671 return (error); 672 } 673 674 int 675 freebsd32_gettimeofday(struct thread *td, 676 struct freebsd32_gettimeofday_args *uap) 677 { 678 struct timeval atv; 679 struct timeval32 atv32; 680 struct timezone rtz; 681 int error = 0; 682 683 if (uap->tp) { 684 microtime(&atv); 685 CP(atv, atv32, tv_sec); 686 CP(atv, atv32, tv_usec); 687 error = copyout(&atv32, uap->tp, sizeof (atv32)); 688 } 689 if (error == 0 && uap->tzp != NULL) { 690 rtz.tz_minuteswest = tz_minuteswest; 691 rtz.tz_dsttime = tz_dsttime; 692 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 693 } 694 return (error); 695 } 696 697 int 698 freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 699 { 700 struct rusage32 s32; 701 struct rusage s; 702 int error; 703 704 error = kern_getrusage(td, uap->who, &s); 705 if (error) 706 return (error); 707 if (uap->rusage != NULL) { 708 freebsd32_rusage_out(&s, &s32); 709 error = copyout(&s32, uap->rusage, sizeof(s32)); 710 } 711 return (error); 712 } 713 714 static int 715 freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 716 { 717 struct iovec32 iov32; 718 struct iovec *iov; 719 struct uio *uio; 720 u_int iovlen; 721 int error, i; 722 723 *uiop = NULL; 724 if (iovcnt > UIO_MAXIOV) 725 return (EINVAL); 726 iovlen = iovcnt * sizeof(struct iovec); 727 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 728 iov = (struct iovec *)(uio + 1); 729 for (i = 0; i < iovcnt; i++) { 730 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 731 if (error) { 732 free(uio, M_IOV); 733 return (error); 734 } 735 iov[i].iov_base = PTRIN(iov32.iov_base); 736 iov[i].iov_len = iov32.iov_len; 737 } 738 uio->uio_iov = iov; 739 uio->uio_iovcnt = iovcnt; 740 uio->uio_segflg = UIO_USERSPACE; 741 uio->uio_offset = -1; 742 uio->uio_resid = 0; 743 for (i = 0; i < iovcnt; i++) { 744 if (iov->iov_len > INT_MAX - uio->uio_resid) { 745 free(uio, M_IOV); 746 return (EINVAL); 747 } 748 uio->uio_resid += iov->iov_len; 749 iov++; 750 } 751 *uiop = uio; 752 return (0); 753 } 754 755 int 756 freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 757 { 758 struct uio *auio; 759 int error; 760 761 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 762 if (error) 763 return (error); 764 error = kern_readv(td, uap->fd, auio); 765 free(auio, M_IOV); 766 return (error); 767 } 768 769 int 770 freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 771 { 772 struct uio *auio; 773 int error; 774 775 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 776 if (error) 777 return (error); 778 error = kern_writev(td, uap->fd, auio); 779 free(auio, M_IOV); 780 return (error); 781 } 782 783 int 784 freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 785 { 786 struct uio *auio; 787 int error; 788 789 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 790 if (error) 791 return (error); 792 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 793 free(auio, M_IOV); 794 return (error); 795 } 796 797 int 798 freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 799 { 800 struct uio *auio; 801 int error; 802 803 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 804 if (error) 805 return (error); 806 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 807 free(auio, M_IOV); 808 return (error); 809 } 810 811 int 812 freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 813 int error) 814 { 815 struct iovec32 iov32; 816 struct iovec *iov; 817 u_int iovlen; 818 int i; 819 820 *iovp = NULL; 821 if (iovcnt > UIO_MAXIOV) 822 return (error); 823 iovlen = iovcnt * sizeof(struct iovec); 824 iov = malloc(iovlen, M_IOV, M_WAITOK); 825 for (i = 0; i < iovcnt; i++) { 826 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 827 if (error) { 828 free(iov, M_IOV); 829 return (error); 830 } 831 iov[i].iov_base = PTRIN(iov32.iov_base); 832 iov[i].iov_len = iov32.iov_len; 833 } 834 *iovp = iov; 835 return (0); 836 } 837 838 static int 839 freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 840 { 841 struct msghdr32 m32; 842 int error; 843 844 error = copyin(msg32, &m32, sizeof(m32)); 845 if (error) 846 return (error); 847 msg->msg_name = PTRIN(m32.msg_name); 848 msg->msg_namelen = m32.msg_namelen; 849 msg->msg_iov = PTRIN(m32.msg_iov); 850 msg->msg_iovlen = m32.msg_iovlen; 851 msg->msg_control = PTRIN(m32.msg_control); 852 msg->msg_controllen = m32.msg_controllen; 853 msg->msg_flags = m32.msg_flags; 854 return (0); 855 } 856 857 static int 858 freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 859 { 860 struct msghdr32 m32; 861 int error; 862 863 m32.msg_name = PTROUT(msg->msg_name); 864 m32.msg_namelen = msg->msg_namelen; 865 m32.msg_iov = PTROUT(msg->msg_iov); 866 m32.msg_iovlen = msg->msg_iovlen; 867 m32.msg_control = PTROUT(msg->msg_control); 868 m32.msg_controllen = msg->msg_controllen; 869 m32.msg_flags = msg->msg_flags; 870 error = copyout(&m32, msg32, sizeof(m32)); 871 return (error); 872 } 873 874 #ifndef __mips__ 875 #define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 876 #else 877 #define FREEBSD32_ALIGNBYTES (sizeof(long) - 1) 878 #endif 879 #define FREEBSD32_ALIGN(p) \ 880 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 881 #define FREEBSD32_CMSG_SPACE(l) \ 882 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 883 884 #define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 885 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 886 static int 887 freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 888 { 889 struct cmsghdr *cm; 890 void *data; 891 socklen_t clen, datalen; 892 int error; 893 caddr_t ctlbuf; 894 int len, maxlen, copylen; 895 struct mbuf *m; 896 error = 0; 897 898 len = msg->msg_controllen; 899 maxlen = msg->msg_controllen; 900 msg->msg_controllen = 0; 901 902 m = control; 903 ctlbuf = msg->msg_control; 904 905 while (m && len > 0) { 906 cm = mtod(m, struct cmsghdr *); 907 clen = m->m_len; 908 909 while (cm != NULL) { 910 911 if (sizeof(struct cmsghdr) > clen || 912 cm->cmsg_len > clen) { 913 error = EINVAL; 914 break; 915 } 916 917 data = CMSG_DATA(cm); 918 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 919 920 /* Adjust message length */ 921 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 922 datalen; 923 924 925 /* Copy cmsghdr */ 926 copylen = sizeof(struct cmsghdr); 927 if (len < copylen) { 928 msg->msg_flags |= MSG_CTRUNC; 929 copylen = len; 930 } 931 932 error = copyout(cm,ctlbuf,copylen); 933 if (error) 934 goto exit; 935 936 ctlbuf += FREEBSD32_ALIGN(copylen); 937 len -= FREEBSD32_ALIGN(copylen); 938 939 if (len <= 0) 940 break; 941 942 /* Copy data */ 943 copylen = datalen; 944 if (len < copylen) { 945 msg->msg_flags |= MSG_CTRUNC; 946 copylen = len; 947 } 948 949 error = copyout(data,ctlbuf,copylen); 950 if (error) 951 goto exit; 952 953 ctlbuf += FREEBSD32_ALIGN(copylen); 954 len -= FREEBSD32_ALIGN(copylen); 955 956 if (CMSG_SPACE(datalen) < clen) { 957 clen -= CMSG_SPACE(datalen); 958 cm = (struct cmsghdr *) 959 ((caddr_t)cm + CMSG_SPACE(datalen)); 960 } else { 961 clen = 0; 962 cm = NULL; 963 } 964 } 965 m = m->m_next; 966 } 967 968 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 969 970 exit: 971 return (error); 972 973 } 974 975 int 976 freebsd32_recvmsg(td, uap) 977 struct thread *td; 978 struct freebsd32_recvmsg_args /* { 979 int s; 980 struct msghdr32 *msg; 981 int flags; 982 } */ *uap; 983 { 984 struct msghdr msg; 985 struct msghdr32 m32; 986 struct iovec *uiov, *iov; 987 struct mbuf *control = NULL; 988 struct mbuf **controlp; 989 990 int error; 991 error = copyin(uap->msg, &m32, sizeof(m32)); 992 if (error) 993 return (error); 994 error = freebsd32_copyinmsghdr(uap->msg, &msg); 995 if (error) 996 return (error); 997 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 998 EMSGSIZE); 999 if (error) 1000 return (error); 1001 msg.msg_flags = uap->flags; 1002 uiov = msg.msg_iov; 1003 msg.msg_iov = iov; 1004 1005 controlp = (msg.msg_control != NULL) ? &control : NULL; 1006 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1007 if (error == 0) { 1008 msg.msg_iov = uiov; 1009 1010 if (control != NULL) 1011 error = freebsd32_copy_msg_out(&msg, control); 1012 else 1013 msg.msg_controllen = 0; 1014 1015 if (error == 0) 1016 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1017 } 1018 free(iov, M_IOV); 1019 1020 if (control != NULL) 1021 m_freem(control); 1022 1023 return (error); 1024 } 1025 1026 /* 1027 * Copy-in the array of control messages constructed using alignment 1028 * and padding suitable for a 32-bit environment and construct an 1029 * mbuf using alignment and padding suitable for a 64-bit kernel. 1030 * The alignment and padding are defined indirectly by CMSG_DATA(), 1031 * CMSG_SPACE() and CMSG_LEN(). 1032 */ 1033 static int 1034 freebsd32_copyin_control(struct mbuf **mp, caddr_t buf, u_int buflen) 1035 { 1036 struct mbuf *m; 1037 void *md; 1038 u_int idx, len, msglen; 1039 int error; 1040 1041 buflen = FREEBSD32_ALIGN(buflen); 1042 1043 if (buflen > MCLBYTES) 1044 return (EINVAL); 1045 1046 /* 1047 * Iterate over the buffer and get the length of each message 1048 * in there. This has 32-bit alignment and padding. Use it to 1049 * determine the length of these messages when using 64-bit 1050 * alignment and padding. 1051 */ 1052 idx = 0; 1053 len = 0; 1054 while (idx < buflen) { 1055 error = copyin(buf + idx, &msglen, sizeof(msglen)); 1056 if (error) 1057 return (error); 1058 if (msglen < sizeof(struct cmsghdr)) 1059 return (EINVAL); 1060 msglen = FREEBSD32_ALIGN(msglen); 1061 if (idx + msglen > buflen) 1062 return (EINVAL); 1063 idx += msglen; 1064 msglen += CMSG_ALIGN(sizeof(struct cmsghdr)) - 1065 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1066 len += CMSG_ALIGN(msglen); 1067 } 1068 1069 if (len > MCLBYTES) 1070 return (EINVAL); 1071 1072 m = m_get(M_WAITOK, MT_CONTROL); 1073 if (len > MLEN) 1074 MCLGET(m, M_WAITOK); 1075 m->m_len = len; 1076 1077 md = mtod(m, void *); 1078 while (buflen > 0) { 1079 error = copyin(buf, md, sizeof(struct cmsghdr)); 1080 if (error) 1081 break; 1082 msglen = *(u_int *)md; 1083 msglen = FREEBSD32_ALIGN(msglen); 1084 1085 /* Modify the message length to account for alignment. */ 1086 *(u_int *)md = msglen + CMSG_ALIGN(sizeof(struct cmsghdr)) - 1087 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1088 1089 md = (char *)md + CMSG_ALIGN(sizeof(struct cmsghdr)); 1090 buf += FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1091 buflen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1092 1093 msglen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1094 if (msglen > 0) { 1095 error = copyin(buf, md, msglen); 1096 if (error) 1097 break; 1098 md = (char *)md + CMSG_ALIGN(msglen); 1099 buf += msglen; 1100 buflen -= msglen; 1101 } 1102 } 1103 1104 if (error) 1105 m_free(m); 1106 else 1107 *mp = m; 1108 return (error); 1109 } 1110 1111 int 1112 freebsd32_sendmsg(struct thread *td, 1113 struct freebsd32_sendmsg_args *uap) 1114 { 1115 struct msghdr msg; 1116 struct msghdr32 m32; 1117 struct iovec *iov; 1118 struct mbuf *control = NULL; 1119 struct sockaddr *to = NULL; 1120 int error; 1121 1122 error = copyin(uap->msg, &m32, sizeof(m32)); 1123 if (error) 1124 return (error); 1125 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1126 if (error) 1127 return (error); 1128 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1129 EMSGSIZE); 1130 if (error) 1131 return (error); 1132 msg.msg_iov = iov; 1133 if (msg.msg_name != NULL) { 1134 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1135 if (error) { 1136 to = NULL; 1137 goto out; 1138 } 1139 msg.msg_name = to; 1140 } 1141 1142 if (msg.msg_control) { 1143 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1144 error = EINVAL; 1145 goto out; 1146 } 1147 1148 error = freebsd32_copyin_control(&control, msg.msg_control, 1149 msg.msg_controllen); 1150 if (error) 1151 goto out; 1152 1153 msg.msg_control = NULL; 1154 msg.msg_controllen = 0; 1155 } 1156 1157 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1158 UIO_USERSPACE); 1159 1160 out: 1161 free(iov, M_IOV); 1162 if (to) 1163 free(to, M_SONAME); 1164 return (error); 1165 } 1166 1167 int 1168 freebsd32_recvfrom(struct thread *td, 1169 struct freebsd32_recvfrom_args *uap) 1170 { 1171 struct msghdr msg; 1172 struct iovec aiov; 1173 int error; 1174 1175 if (uap->fromlenaddr) { 1176 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1177 sizeof(msg.msg_namelen)); 1178 if (error) 1179 return (error); 1180 } else { 1181 msg.msg_namelen = 0; 1182 } 1183 1184 msg.msg_name = PTRIN(uap->from); 1185 msg.msg_iov = &aiov; 1186 msg.msg_iovlen = 1; 1187 aiov.iov_base = PTRIN(uap->buf); 1188 aiov.iov_len = uap->len; 1189 msg.msg_control = NULL; 1190 msg.msg_flags = uap->flags; 1191 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1192 if (error == 0 && uap->fromlenaddr) 1193 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1194 sizeof (msg.msg_namelen)); 1195 return (error); 1196 } 1197 1198 int 1199 freebsd32_settimeofday(struct thread *td, 1200 struct freebsd32_settimeofday_args *uap) 1201 { 1202 struct timeval32 tv32; 1203 struct timeval tv, *tvp; 1204 struct timezone tz, *tzp; 1205 int error; 1206 1207 if (uap->tv) { 1208 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1209 if (error) 1210 return (error); 1211 CP(tv32, tv, tv_sec); 1212 CP(tv32, tv, tv_usec); 1213 tvp = &tv; 1214 } else 1215 tvp = NULL; 1216 if (uap->tzp) { 1217 error = copyin(uap->tzp, &tz, sizeof(tz)); 1218 if (error) 1219 return (error); 1220 tzp = &tz; 1221 } else 1222 tzp = NULL; 1223 return (kern_settimeofday(td, tvp, tzp)); 1224 } 1225 1226 int 1227 freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1228 { 1229 struct timeval32 s32[2]; 1230 struct timeval s[2], *sp; 1231 int error; 1232 1233 if (uap->tptr != NULL) { 1234 error = copyin(uap->tptr, s32, sizeof(s32)); 1235 if (error) 1236 return (error); 1237 CP(s32[0], s[0], tv_sec); 1238 CP(s32[0], s[0], tv_usec); 1239 CP(s32[1], s[1], tv_sec); 1240 CP(s32[1], s[1], tv_usec); 1241 sp = s; 1242 } else 1243 sp = NULL; 1244 return (kern_utimesat(td, AT_FDCWD, uap->path, UIO_USERSPACE, 1245 sp, UIO_SYSSPACE)); 1246 } 1247 1248 int 1249 freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1250 { 1251 struct timeval32 s32[2]; 1252 struct timeval s[2], *sp; 1253 int error; 1254 1255 if (uap->tptr != NULL) { 1256 error = copyin(uap->tptr, s32, sizeof(s32)); 1257 if (error) 1258 return (error); 1259 CP(s32[0], s[0], tv_sec); 1260 CP(s32[0], s[0], tv_usec); 1261 CP(s32[1], s[1], tv_sec); 1262 CP(s32[1], s[1], tv_usec); 1263 sp = s; 1264 } else 1265 sp = NULL; 1266 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1267 } 1268 1269 int 1270 freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1271 { 1272 struct timeval32 s32[2]; 1273 struct timeval s[2], *sp; 1274 int error; 1275 1276 if (uap->tptr != NULL) { 1277 error = copyin(uap->tptr, s32, sizeof(s32)); 1278 if (error) 1279 return (error); 1280 CP(s32[0], s[0], tv_sec); 1281 CP(s32[0], s[0], tv_usec); 1282 CP(s32[1], s[1], tv_sec); 1283 CP(s32[1], s[1], tv_usec); 1284 sp = s; 1285 } else 1286 sp = NULL; 1287 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1288 } 1289 1290 int 1291 freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1292 { 1293 struct timeval32 s32[2]; 1294 struct timeval s[2], *sp; 1295 int error; 1296 1297 if (uap->times != NULL) { 1298 error = copyin(uap->times, s32, sizeof(s32)); 1299 if (error) 1300 return (error); 1301 CP(s32[0], s[0], tv_sec); 1302 CP(s32[0], s[0], tv_usec); 1303 CP(s32[1], s[1], tv_sec); 1304 CP(s32[1], s[1], tv_usec); 1305 sp = s; 1306 } else 1307 sp = NULL; 1308 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1309 sp, UIO_SYSSPACE)); 1310 } 1311 1312 int 1313 freebsd32_futimens(struct thread *td, struct freebsd32_futimens_args *uap) 1314 { 1315 struct timespec32 ts32[2]; 1316 struct timespec ts[2], *tsp; 1317 int error; 1318 1319 if (uap->times != NULL) { 1320 error = copyin(uap->times, ts32, sizeof(ts32)); 1321 if (error) 1322 return (error); 1323 CP(ts32[0], ts[0], tv_sec); 1324 CP(ts32[0], ts[0], tv_nsec); 1325 CP(ts32[1], ts[1], tv_sec); 1326 CP(ts32[1], ts[1], tv_nsec); 1327 tsp = ts; 1328 } else 1329 tsp = NULL; 1330 return (kern_futimens(td, uap->fd, tsp, UIO_SYSSPACE)); 1331 } 1332 1333 int 1334 freebsd32_utimensat(struct thread *td, struct freebsd32_utimensat_args *uap) 1335 { 1336 struct timespec32 ts32[2]; 1337 struct timespec ts[2], *tsp; 1338 int error; 1339 1340 if (uap->times != NULL) { 1341 error = copyin(uap->times, ts32, sizeof(ts32)); 1342 if (error) 1343 return (error); 1344 CP(ts32[0], ts[0], tv_sec); 1345 CP(ts32[0], ts[0], tv_nsec); 1346 CP(ts32[1], ts[1], tv_sec); 1347 CP(ts32[1], ts[1], tv_nsec); 1348 tsp = ts; 1349 } else 1350 tsp = NULL; 1351 return (kern_utimensat(td, uap->fd, uap->path, UIO_USERSPACE, 1352 tsp, UIO_SYSSPACE, uap->flag)); 1353 } 1354 1355 int 1356 freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1357 { 1358 struct timeval32 tv32; 1359 struct timeval delta, olddelta, *deltap; 1360 int error; 1361 1362 if (uap->delta) { 1363 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1364 if (error) 1365 return (error); 1366 CP(tv32, delta, tv_sec); 1367 CP(tv32, delta, tv_usec); 1368 deltap = δ 1369 } else 1370 deltap = NULL; 1371 error = kern_adjtime(td, deltap, &olddelta); 1372 if (uap->olddelta && error == 0) { 1373 CP(olddelta, tv32, tv_sec); 1374 CP(olddelta, tv32, tv_usec); 1375 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1376 } 1377 return (error); 1378 } 1379 1380 #ifdef COMPAT_FREEBSD4 1381 int 1382 freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1383 { 1384 struct statfs32 s32; 1385 struct statfs *sp; 1386 int error; 1387 1388 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1389 error = kern_statfs(td, uap->path, UIO_USERSPACE, sp); 1390 if (error == 0) { 1391 copy_statfs(sp, &s32); 1392 error = copyout(&s32, uap->buf, sizeof(s32)); 1393 } 1394 free(sp, M_STATFS); 1395 return (error); 1396 } 1397 #endif 1398 1399 #ifdef COMPAT_FREEBSD4 1400 int 1401 freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1402 { 1403 struct statfs32 s32; 1404 struct statfs *sp; 1405 int error; 1406 1407 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1408 error = kern_fstatfs(td, uap->fd, sp); 1409 if (error == 0) { 1410 copy_statfs(sp, &s32); 1411 error = copyout(&s32, uap->buf, sizeof(s32)); 1412 } 1413 free(sp, M_STATFS); 1414 return (error); 1415 } 1416 #endif 1417 1418 #ifdef COMPAT_FREEBSD4 1419 int 1420 freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1421 { 1422 struct statfs32 s32; 1423 struct statfs *sp; 1424 fhandle_t fh; 1425 int error; 1426 1427 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1428 return (error); 1429 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1430 error = kern_fhstatfs(td, fh, sp); 1431 if (error == 0) { 1432 copy_statfs(sp, &s32); 1433 error = copyout(&s32, uap->buf, sizeof(s32)); 1434 } 1435 free(sp, M_STATFS); 1436 return (error); 1437 } 1438 #endif 1439 1440 int 1441 freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1442 { 1443 1444 return (kern_pread(td, uap->fd, uap->buf, uap->nbyte, 1445 PAIR32TO64(off_t, uap->offset))); 1446 } 1447 1448 int 1449 freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1450 { 1451 1452 return (kern_pwrite(td, uap->fd, uap->buf, uap->nbyte, 1453 PAIR32TO64(off_t, uap->offset))); 1454 } 1455 1456 #ifdef COMPAT_43 1457 int 1458 ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap) 1459 { 1460 1461 return (kern_lseek(td, uap->fd, uap->offset, uap->whence)); 1462 } 1463 #endif 1464 1465 int 1466 freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1467 { 1468 int error; 1469 off_t pos; 1470 1471 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset), 1472 uap->whence); 1473 /* Expand the quad return into two parts for eax and edx */ 1474 pos = td->td_uretoff.tdu_off; 1475 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1476 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1477 return error; 1478 } 1479 1480 int 1481 freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1482 { 1483 1484 return (kern_truncate(td, uap->path, UIO_USERSPACE, 1485 PAIR32TO64(off_t, uap->length))); 1486 } 1487 1488 int 1489 freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1490 { 1491 1492 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length))); 1493 } 1494 1495 #ifdef COMPAT_43 1496 int 1497 ofreebsd32_getdirentries(struct thread *td, 1498 struct ofreebsd32_getdirentries_args *uap) 1499 { 1500 struct ogetdirentries_args ap; 1501 int error; 1502 long loff; 1503 int32_t loff_cut; 1504 1505 ap.fd = uap->fd; 1506 ap.buf = uap->buf; 1507 ap.count = uap->count; 1508 ap.basep = NULL; 1509 error = kern_ogetdirentries(td, &ap, &loff); 1510 if (error == 0) { 1511 loff_cut = loff; 1512 error = copyout(&loff_cut, uap->basep, sizeof(int32_t)); 1513 } 1514 return (error); 1515 } 1516 #endif 1517 1518 int 1519 freebsd32_getdirentries(struct thread *td, 1520 struct freebsd32_getdirentries_args *uap) 1521 { 1522 long base; 1523 int32_t base32; 1524 int error; 1525 1526 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base, 1527 NULL, UIO_USERSPACE); 1528 if (error) 1529 return (error); 1530 if (uap->basep != NULL) { 1531 base32 = base; 1532 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1533 } 1534 return (error); 1535 } 1536 1537 #ifdef COMPAT_FREEBSD6 1538 /* versions with the 'int pad' argument */ 1539 int 1540 freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1541 { 1542 1543 return (kern_pread(td, uap->fd, uap->buf, uap->nbyte, 1544 PAIR32TO64(off_t, uap->offset))); 1545 } 1546 1547 int 1548 freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1549 { 1550 1551 return (kern_pwrite(td, uap->fd, uap->buf, uap->nbyte, 1552 PAIR32TO64(off_t, uap->offset))); 1553 } 1554 1555 int 1556 freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1557 { 1558 int error; 1559 off_t pos; 1560 1561 error = kern_lseek(td, uap->fd, PAIR32TO64(off_t, uap->offset), 1562 uap->whence); 1563 /* Expand the quad return into two parts for eax and edx */ 1564 pos = *(off_t *)(td->td_retval); 1565 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1566 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1567 return error; 1568 } 1569 1570 int 1571 freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1572 { 1573 1574 return (kern_truncate(td, uap->path, UIO_USERSPACE, 1575 PAIR32TO64(off_t, uap->length))); 1576 } 1577 1578 int 1579 freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1580 { 1581 1582 return (kern_ftruncate(td, uap->fd, PAIR32TO64(off_t, uap->length))); 1583 } 1584 #endif /* COMPAT_FREEBSD6 */ 1585 1586 struct sf_hdtr32 { 1587 uint32_t headers; 1588 int hdr_cnt; 1589 uint32_t trailers; 1590 int trl_cnt; 1591 }; 1592 1593 static int 1594 freebsd32_do_sendfile(struct thread *td, 1595 struct freebsd32_sendfile_args *uap, int compat) 1596 { 1597 struct sf_hdtr32 hdtr32; 1598 struct sf_hdtr hdtr; 1599 struct uio *hdr_uio, *trl_uio; 1600 struct file *fp; 1601 cap_rights_t rights; 1602 struct iovec32 *iov32; 1603 off_t offset, sbytes; 1604 int error; 1605 1606 offset = PAIR32TO64(off_t, uap->offset); 1607 if (offset < 0) 1608 return (EINVAL); 1609 1610 hdr_uio = trl_uio = NULL; 1611 1612 if (uap->hdtr != NULL) { 1613 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1614 if (error) 1615 goto out; 1616 PTRIN_CP(hdtr32, hdtr, headers); 1617 CP(hdtr32, hdtr, hdr_cnt); 1618 PTRIN_CP(hdtr32, hdtr, trailers); 1619 CP(hdtr32, hdtr, trl_cnt); 1620 1621 if (hdtr.headers != NULL) { 1622 iov32 = PTRIN(hdtr32.headers); 1623 error = freebsd32_copyinuio(iov32, 1624 hdtr32.hdr_cnt, &hdr_uio); 1625 if (error) 1626 goto out; 1627 #ifdef COMPAT_FREEBSD4 1628 /* 1629 * In FreeBSD < 5.0 the nbytes to send also included 1630 * the header. If compat is specified subtract the 1631 * header size from nbytes. 1632 */ 1633 if (compat) { 1634 if (uap->nbytes > hdr_uio->uio_resid) 1635 uap->nbytes -= hdr_uio->uio_resid; 1636 else 1637 uap->nbytes = 0; 1638 } 1639 #endif 1640 } 1641 if (hdtr.trailers != NULL) { 1642 iov32 = PTRIN(hdtr32.trailers); 1643 error = freebsd32_copyinuio(iov32, 1644 hdtr32.trl_cnt, &trl_uio); 1645 if (error) 1646 goto out; 1647 } 1648 } 1649 1650 AUDIT_ARG_FD(uap->fd); 1651 1652 if ((error = fget_read(td, uap->fd, 1653 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0) 1654 goto out; 1655 1656 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset, 1657 uap->nbytes, &sbytes, uap->flags, td); 1658 fdrop(fp, td); 1659 1660 if (uap->sbytes != NULL) 1661 copyout(&sbytes, uap->sbytes, sizeof(off_t)); 1662 1663 out: 1664 if (hdr_uio) 1665 free(hdr_uio, M_IOV); 1666 if (trl_uio) 1667 free(trl_uio, M_IOV); 1668 return (error); 1669 } 1670 1671 #ifdef COMPAT_FREEBSD4 1672 int 1673 freebsd4_freebsd32_sendfile(struct thread *td, 1674 struct freebsd4_freebsd32_sendfile_args *uap) 1675 { 1676 return (freebsd32_do_sendfile(td, 1677 (struct freebsd32_sendfile_args *)uap, 1)); 1678 } 1679 #endif 1680 1681 int 1682 freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1683 { 1684 1685 return (freebsd32_do_sendfile(td, uap, 0)); 1686 } 1687 1688 static void 1689 copy_stat(struct stat *in, struct stat32 *out) 1690 { 1691 1692 CP(*in, *out, st_dev); 1693 CP(*in, *out, st_ino); 1694 CP(*in, *out, st_mode); 1695 CP(*in, *out, st_nlink); 1696 CP(*in, *out, st_uid); 1697 CP(*in, *out, st_gid); 1698 CP(*in, *out, st_rdev); 1699 TS_CP(*in, *out, st_atim); 1700 TS_CP(*in, *out, st_mtim); 1701 TS_CP(*in, *out, st_ctim); 1702 CP(*in, *out, st_size); 1703 CP(*in, *out, st_blocks); 1704 CP(*in, *out, st_blksize); 1705 CP(*in, *out, st_flags); 1706 CP(*in, *out, st_gen); 1707 TS_CP(*in, *out, st_birthtim); 1708 } 1709 1710 #ifdef COMPAT_43 1711 static void 1712 copy_ostat(struct stat *in, struct ostat32 *out) 1713 { 1714 1715 CP(*in, *out, st_dev); 1716 CP(*in, *out, st_ino); 1717 CP(*in, *out, st_mode); 1718 CP(*in, *out, st_nlink); 1719 CP(*in, *out, st_uid); 1720 CP(*in, *out, st_gid); 1721 CP(*in, *out, st_rdev); 1722 CP(*in, *out, st_size); 1723 TS_CP(*in, *out, st_atim); 1724 TS_CP(*in, *out, st_mtim); 1725 TS_CP(*in, *out, st_ctim); 1726 CP(*in, *out, st_blksize); 1727 CP(*in, *out, st_blocks); 1728 CP(*in, *out, st_flags); 1729 CP(*in, *out, st_gen); 1730 } 1731 #endif 1732 1733 int 1734 freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1735 { 1736 struct stat sb; 1737 struct stat32 sb32; 1738 int error; 1739 1740 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, 1741 &sb, NULL); 1742 if (error) 1743 return (error); 1744 copy_stat(&sb, &sb32); 1745 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1746 return (error); 1747 } 1748 1749 #ifdef COMPAT_43 1750 int 1751 ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap) 1752 { 1753 struct stat sb; 1754 struct ostat32 sb32; 1755 int error; 1756 1757 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, 1758 &sb, NULL); 1759 if (error) 1760 return (error); 1761 copy_ostat(&sb, &sb32); 1762 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1763 return (error); 1764 } 1765 #endif 1766 1767 int 1768 freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1769 { 1770 struct stat ub; 1771 struct stat32 ub32; 1772 int error; 1773 1774 error = kern_fstat(td, uap->fd, &ub); 1775 if (error) 1776 return (error); 1777 copy_stat(&ub, &ub32); 1778 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1779 return (error); 1780 } 1781 1782 #ifdef COMPAT_43 1783 int 1784 ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap) 1785 { 1786 struct stat ub; 1787 struct ostat32 ub32; 1788 int error; 1789 1790 error = kern_fstat(td, uap->fd, &ub); 1791 if (error) 1792 return (error); 1793 copy_ostat(&ub, &ub32); 1794 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1795 return (error); 1796 } 1797 #endif 1798 1799 int 1800 freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 1801 { 1802 struct stat ub; 1803 struct stat32 ub32; 1804 int error; 1805 1806 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, 1807 &ub, NULL); 1808 if (error) 1809 return (error); 1810 copy_stat(&ub, &ub32); 1811 error = copyout(&ub32, uap->buf, sizeof(ub32)); 1812 return (error); 1813 } 1814 1815 int 1816 freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1817 { 1818 struct stat sb; 1819 struct stat32 sb32; 1820 int error; 1821 1822 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path, 1823 UIO_USERSPACE, &sb, NULL); 1824 if (error) 1825 return (error); 1826 copy_stat(&sb, &sb32); 1827 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1828 return (error); 1829 } 1830 1831 #ifdef COMPAT_43 1832 int 1833 ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap) 1834 { 1835 struct stat sb; 1836 struct ostat32 sb32; 1837 int error; 1838 1839 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path, 1840 UIO_USERSPACE, &sb, NULL); 1841 if (error) 1842 return (error); 1843 copy_ostat(&sb, &sb32); 1844 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1845 return (error); 1846 } 1847 #endif 1848 1849 int 1850 freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1851 { 1852 int error, name[CTL_MAXNAME]; 1853 size_t j, oldlen; 1854 uint32_t tmp; 1855 1856 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1857 return (EINVAL); 1858 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1859 if (error) 1860 return (error); 1861 if (uap->oldlenp) { 1862 error = fueword32(uap->oldlenp, &tmp); 1863 oldlen = tmp; 1864 } else { 1865 oldlen = 0; 1866 } 1867 if (error != 0) 1868 return (EFAULT); 1869 error = userland_sysctl(td, name, uap->namelen, 1870 uap->old, &oldlen, 1, 1871 uap->new, uap->newlen, &j, SCTL_MASK32); 1872 if (error && error != ENOMEM) 1873 return (error); 1874 if (uap->oldlenp) 1875 suword32(uap->oldlenp, j); 1876 return (0); 1877 } 1878 1879 int 1880 freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 1881 { 1882 uint32_t version; 1883 int error; 1884 struct jail j; 1885 1886 error = copyin(uap->jail, &version, sizeof(uint32_t)); 1887 if (error) 1888 return (error); 1889 1890 switch (version) { 1891 case 0: 1892 { 1893 /* FreeBSD single IPv4 jails. */ 1894 struct jail32_v0 j32_v0; 1895 1896 bzero(&j, sizeof(struct jail)); 1897 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 1898 if (error) 1899 return (error); 1900 CP(j32_v0, j, version); 1901 PTRIN_CP(j32_v0, j, path); 1902 PTRIN_CP(j32_v0, j, hostname); 1903 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */ 1904 break; 1905 } 1906 1907 case 1: 1908 /* 1909 * Version 1 was used by multi-IPv4 jail implementations 1910 * that never made it into the official kernel. 1911 */ 1912 return (EINVAL); 1913 1914 case 2: /* JAIL_API_VERSION */ 1915 { 1916 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 1917 struct jail32 j32; 1918 1919 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 1920 if (error) 1921 return (error); 1922 CP(j32, j, version); 1923 PTRIN_CP(j32, j, path); 1924 PTRIN_CP(j32, j, hostname); 1925 PTRIN_CP(j32, j, jailname); 1926 CP(j32, j, ip4s); 1927 CP(j32, j, ip6s); 1928 PTRIN_CP(j32, j, ip4); 1929 PTRIN_CP(j32, j, ip6); 1930 break; 1931 } 1932 1933 default: 1934 /* Sci-Fi jails are not supported, sorry. */ 1935 return (EINVAL); 1936 } 1937 return (kern_jail(td, &j)); 1938 } 1939 1940 int 1941 freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 1942 { 1943 struct uio *auio; 1944 int error; 1945 1946 /* Check that we have an even number of iovecs. */ 1947 if (uap->iovcnt & 1) 1948 return (EINVAL); 1949 1950 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1951 if (error) 1952 return (error); 1953 error = kern_jail_set(td, auio, uap->flags); 1954 free(auio, M_IOV); 1955 return (error); 1956 } 1957 1958 int 1959 freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 1960 { 1961 struct iovec32 iov32; 1962 struct uio *auio; 1963 int error, i; 1964 1965 /* Check that we have an even number of iovecs. */ 1966 if (uap->iovcnt & 1) 1967 return (EINVAL); 1968 1969 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1970 if (error) 1971 return (error); 1972 error = kern_jail_get(td, auio, uap->flags); 1973 if (error == 0) 1974 for (i = 0; i < uap->iovcnt; i++) { 1975 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 1976 CP(auio->uio_iov[i], iov32, iov_len); 1977 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 1978 if (error != 0) 1979 break; 1980 } 1981 free(auio, M_IOV); 1982 return (error); 1983 } 1984 1985 int 1986 freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 1987 { 1988 struct sigaction32 s32; 1989 struct sigaction sa, osa, *sap; 1990 int error; 1991 1992 if (uap->act) { 1993 error = copyin(uap->act, &s32, sizeof(s32)); 1994 if (error) 1995 return (error); 1996 sa.sa_handler = PTRIN(s32.sa_u); 1997 CP(s32, sa, sa_flags); 1998 CP(s32, sa, sa_mask); 1999 sap = &sa; 2000 } else 2001 sap = NULL; 2002 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2003 if (error == 0 && uap->oact != NULL) { 2004 s32.sa_u = PTROUT(osa.sa_handler); 2005 CP(osa, s32, sa_flags); 2006 CP(osa, s32, sa_mask); 2007 error = copyout(&s32, uap->oact, sizeof(s32)); 2008 } 2009 return (error); 2010 } 2011 2012 #ifdef COMPAT_FREEBSD4 2013 int 2014 freebsd4_freebsd32_sigaction(struct thread *td, 2015 struct freebsd4_freebsd32_sigaction_args *uap) 2016 { 2017 struct sigaction32 s32; 2018 struct sigaction sa, osa, *sap; 2019 int error; 2020 2021 if (uap->act) { 2022 error = copyin(uap->act, &s32, sizeof(s32)); 2023 if (error) 2024 return (error); 2025 sa.sa_handler = PTRIN(s32.sa_u); 2026 CP(s32, sa, sa_flags); 2027 CP(s32, sa, sa_mask); 2028 sap = &sa; 2029 } else 2030 sap = NULL; 2031 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2032 if (error == 0 && uap->oact != NULL) { 2033 s32.sa_u = PTROUT(osa.sa_handler); 2034 CP(osa, s32, sa_flags); 2035 CP(osa, s32, sa_mask); 2036 error = copyout(&s32, uap->oact, sizeof(s32)); 2037 } 2038 return (error); 2039 } 2040 #endif 2041 2042 #ifdef COMPAT_43 2043 struct osigaction32 { 2044 u_int32_t sa_u; 2045 osigset_t sa_mask; 2046 int sa_flags; 2047 }; 2048 2049 #define ONSIG 32 2050 2051 int 2052 ofreebsd32_sigaction(struct thread *td, 2053 struct ofreebsd32_sigaction_args *uap) 2054 { 2055 struct osigaction32 s32; 2056 struct sigaction sa, osa, *sap; 2057 int error; 2058 2059 if (uap->signum <= 0 || uap->signum >= ONSIG) 2060 return (EINVAL); 2061 2062 if (uap->nsa) { 2063 error = copyin(uap->nsa, &s32, sizeof(s32)); 2064 if (error) 2065 return (error); 2066 sa.sa_handler = PTRIN(s32.sa_u); 2067 CP(s32, sa, sa_flags); 2068 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2069 sap = &sa; 2070 } else 2071 sap = NULL; 2072 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2073 if (error == 0 && uap->osa != NULL) { 2074 s32.sa_u = PTROUT(osa.sa_handler); 2075 CP(osa, s32, sa_flags); 2076 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2077 error = copyout(&s32, uap->osa, sizeof(s32)); 2078 } 2079 return (error); 2080 } 2081 2082 int 2083 ofreebsd32_sigprocmask(struct thread *td, 2084 struct ofreebsd32_sigprocmask_args *uap) 2085 { 2086 sigset_t set, oset; 2087 int error; 2088 2089 OSIG2SIG(uap->mask, set); 2090 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2091 SIG2OSIG(oset, td->td_retval[0]); 2092 return (error); 2093 } 2094 2095 int 2096 ofreebsd32_sigpending(struct thread *td, 2097 struct ofreebsd32_sigpending_args *uap) 2098 { 2099 struct proc *p = td->td_proc; 2100 sigset_t siglist; 2101 2102 PROC_LOCK(p); 2103 siglist = p->p_siglist; 2104 SIGSETOR(siglist, td->td_siglist); 2105 PROC_UNLOCK(p); 2106 SIG2OSIG(siglist, td->td_retval[0]); 2107 return (0); 2108 } 2109 2110 struct sigvec32 { 2111 u_int32_t sv_handler; 2112 int sv_mask; 2113 int sv_flags; 2114 }; 2115 2116 int 2117 ofreebsd32_sigvec(struct thread *td, 2118 struct ofreebsd32_sigvec_args *uap) 2119 { 2120 struct sigvec32 vec; 2121 struct sigaction sa, osa, *sap; 2122 int error; 2123 2124 if (uap->signum <= 0 || uap->signum >= ONSIG) 2125 return (EINVAL); 2126 2127 if (uap->nsv) { 2128 error = copyin(uap->nsv, &vec, sizeof(vec)); 2129 if (error) 2130 return (error); 2131 sa.sa_handler = PTRIN(vec.sv_handler); 2132 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2133 sa.sa_flags = vec.sv_flags; 2134 sa.sa_flags ^= SA_RESTART; 2135 sap = &sa; 2136 } else 2137 sap = NULL; 2138 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2139 if (error == 0 && uap->osv != NULL) { 2140 vec.sv_handler = PTROUT(osa.sa_handler); 2141 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2142 vec.sv_flags = osa.sa_flags; 2143 vec.sv_flags &= ~SA_NOCLDWAIT; 2144 vec.sv_flags ^= SA_RESTART; 2145 error = copyout(&vec, uap->osv, sizeof(vec)); 2146 } 2147 return (error); 2148 } 2149 2150 int 2151 ofreebsd32_sigblock(struct thread *td, 2152 struct ofreebsd32_sigblock_args *uap) 2153 { 2154 sigset_t set, oset; 2155 2156 OSIG2SIG(uap->mask, set); 2157 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2158 SIG2OSIG(oset, td->td_retval[0]); 2159 return (0); 2160 } 2161 2162 int 2163 ofreebsd32_sigsetmask(struct thread *td, 2164 struct ofreebsd32_sigsetmask_args *uap) 2165 { 2166 sigset_t set, oset; 2167 2168 OSIG2SIG(uap->mask, set); 2169 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2170 SIG2OSIG(oset, td->td_retval[0]); 2171 return (0); 2172 } 2173 2174 int 2175 ofreebsd32_sigsuspend(struct thread *td, 2176 struct ofreebsd32_sigsuspend_args *uap) 2177 { 2178 sigset_t mask; 2179 2180 OSIG2SIG(uap->mask, mask); 2181 return (kern_sigsuspend(td, mask)); 2182 } 2183 2184 struct sigstack32 { 2185 u_int32_t ss_sp; 2186 int ss_onstack; 2187 }; 2188 2189 int 2190 ofreebsd32_sigstack(struct thread *td, 2191 struct ofreebsd32_sigstack_args *uap) 2192 { 2193 struct sigstack32 s32; 2194 struct sigstack nss, oss; 2195 int error = 0, unss; 2196 2197 if (uap->nss != NULL) { 2198 error = copyin(uap->nss, &s32, sizeof(s32)); 2199 if (error) 2200 return (error); 2201 nss.ss_sp = PTRIN(s32.ss_sp); 2202 CP(s32, nss, ss_onstack); 2203 unss = 1; 2204 } else { 2205 unss = 0; 2206 } 2207 oss.ss_sp = td->td_sigstk.ss_sp; 2208 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2209 if (unss) { 2210 td->td_sigstk.ss_sp = nss.ss_sp; 2211 td->td_sigstk.ss_size = 0; 2212 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2213 td->td_pflags |= TDP_ALTSTACK; 2214 } 2215 if (uap->oss != NULL) { 2216 s32.ss_sp = PTROUT(oss.ss_sp); 2217 CP(oss, s32, ss_onstack); 2218 error = copyout(&s32, uap->oss, sizeof(s32)); 2219 } 2220 return (error); 2221 } 2222 #endif 2223 2224 int 2225 freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2226 { 2227 struct timespec32 rmt32, rqt32; 2228 struct timespec rmt, rqt; 2229 int error; 2230 2231 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2232 if (error) 2233 return (error); 2234 2235 CP(rqt32, rqt, tv_sec); 2236 CP(rqt32, rqt, tv_nsec); 2237 2238 if (uap->rmtp && 2239 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2240 return (EFAULT); 2241 error = kern_nanosleep(td, &rqt, &rmt); 2242 if (error && uap->rmtp) { 2243 int error2; 2244 2245 CP(rmt, rmt32, tv_sec); 2246 CP(rmt, rmt32, tv_nsec); 2247 2248 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2249 if (error2) 2250 error = error2; 2251 } 2252 return (error); 2253 } 2254 2255 int 2256 freebsd32_clock_gettime(struct thread *td, 2257 struct freebsd32_clock_gettime_args *uap) 2258 { 2259 struct timespec ats; 2260 struct timespec32 ats32; 2261 int error; 2262 2263 error = kern_clock_gettime(td, uap->clock_id, &ats); 2264 if (error == 0) { 2265 CP(ats, ats32, tv_sec); 2266 CP(ats, ats32, tv_nsec); 2267 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2268 } 2269 return (error); 2270 } 2271 2272 int 2273 freebsd32_clock_settime(struct thread *td, 2274 struct freebsd32_clock_settime_args *uap) 2275 { 2276 struct timespec ats; 2277 struct timespec32 ats32; 2278 int error; 2279 2280 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2281 if (error) 2282 return (error); 2283 CP(ats32, ats, tv_sec); 2284 CP(ats32, ats, tv_nsec); 2285 2286 return (kern_clock_settime(td, uap->clock_id, &ats)); 2287 } 2288 2289 int 2290 freebsd32_clock_getres(struct thread *td, 2291 struct freebsd32_clock_getres_args *uap) 2292 { 2293 struct timespec ts; 2294 struct timespec32 ts32; 2295 int error; 2296 2297 if (uap->tp == NULL) 2298 return (0); 2299 error = kern_clock_getres(td, uap->clock_id, &ts); 2300 if (error == 0) { 2301 CP(ts, ts32, tv_sec); 2302 CP(ts, ts32, tv_nsec); 2303 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2304 } 2305 return (error); 2306 } 2307 2308 int freebsd32_ktimer_create(struct thread *td, 2309 struct freebsd32_ktimer_create_args *uap) 2310 { 2311 struct sigevent32 ev32; 2312 struct sigevent ev, *evp; 2313 int error, id; 2314 2315 if (uap->evp == NULL) { 2316 evp = NULL; 2317 } else { 2318 evp = &ev; 2319 error = copyin(uap->evp, &ev32, sizeof(ev32)); 2320 if (error != 0) 2321 return (error); 2322 error = convert_sigevent32(&ev32, &ev); 2323 if (error != 0) 2324 return (error); 2325 } 2326 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1); 2327 if (error == 0) { 2328 error = copyout(&id, uap->timerid, sizeof(int)); 2329 if (error != 0) 2330 kern_ktimer_delete(td, id); 2331 } 2332 return (error); 2333 } 2334 2335 int 2336 freebsd32_ktimer_settime(struct thread *td, 2337 struct freebsd32_ktimer_settime_args *uap) 2338 { 2339 struct itimerspec32 val32, oval32; 2340 struct itimerspec val, oval, *ovalp; 2341 int error; 2342 2343 error = copyin(uap->value, &val32, sizeof(val32)); 2344 if (error != 0) 2345 return (error); 2346 ITS_CP(val32, val); 2347 ovalp = uap->ovalue != NULL ? &oval : NULL; 2348 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp); 2349 if (error == 0 && uap->ovalue != NULL) { 2350 ITS_CP(oval, oval32); 2351 error = copyout(&oval32, uap->ovalue, sizeof(oval32)); 2352 } 2353 return (error); 2354 } 2355 2356 int 2357 freebsd32_ktimer_gettime(struct thread *td, 2358 struct freebsd32_ktimer_gettime_args *uap) 2359 { 2360 struct itimerspec32 val32; 2361 struct itimerspec val; 2362 int error; 2363 2364 error = kern_ktimer_gettime(td, uap->timerid, &val); 2365 if (error == 0) { 2366 ITS_CP(val, val32); 2367 error = copyout(&val32, uap->value, sizeof(val32)); 2368 } 2369 return (error); 2370 } 2371 2372 int 2373 freebsd32_clock_getcpuclockid2(struct thread *td, 2374 struct freebsd32_clock_getcpuclockid2_args *uap) 2375 { 2376 clockid_t clk_id; 2377 int error; 2378 2379 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id), 2380 uap->which, &clk_id); 2381 if (error == 0) 2382 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t)); 2383 return (error); 2384 } 2385 2386 int 2387 freebsd32_thr_new(struct thread *td, 2388 struct freebsd32_thr_new_args *uap) 2389 { 2390 struct thr_param32 param32; 2391 struct thr_param param; 2392 int error; 2393 2394 if (uap->param_size < 0 || 2395 uap->param_size > sizeof(struct thr_param32)) 2396 return (EINVAL); 2397 bzero(¶m, sizeof(struct thr_param)); 2398 bzero(¶m32, sizeof(struct thr_param32)); 2399 error = copyin(uap->param, ¶m32, uap->param_size); 2400 if (error != 0) 2401 return (error); 2402 param.start_func = PTRIN(param32.start_func); 2403 param.arg = PTRIN(param32.arg); 2404 param.stack_base = PTRIN(param32.stack_base); 2405 param.stack_size = param32.stack_size; 2406 param.tls_base = PTRIN(param32.tls_base); 2407 param.tls_size = param32.tls_size; 2408 param.child_tid = PTRIN(param32.child_tid); 2409 param.parent_tid = PTRIN(param32.parent_tid); 2410 param.flags = param32.flags; 2411 param.rtp = PTRIN(param32.rtp); 2412 param.spare[0] = PTRIN(param32.spare[0]); 2413 param.spare[1] = PTRIN(param32.spare[1]); 2414 param.spare[2] = PTRIN(param32.spare[2]); 2415 2416 return (kern_thr_new(td, ¶m)); 2417 } 2418 2419 int 2420 freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2421 { 2422 struct timespec32 ts32; 2423 struct timespec ts, *tsp; 2424 int error; 2425 2426 error = 0; 2427 tsp = NULL; 2428 if (uap->timeout != NULL) { 2429 error = copyin((const void *)uap->timeout, (void *)&ts32, 2430 sizeof(struct timespec32)); 2431 if (error != 0) 2432 return (error); 2433 ts.tv_sec = ts32.tv_sec; 2434 ts.tv_nsec = ts32.tv_nsec; 2435 tsp = &ts; 2436 } 2437 return (kern_thr_suspend(td, tsp)); 2438 } 2439 2440 void 2441 siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2442 { 2443 bzero(dst, sizeof(*dst)); 2444 dst->si_signo = src->si_signo; 2445 dst->si_errno = src->si_errno; 2446 dst->si_code = src->si_code; 2447 dst->si_pid = src->si_pid; 2448 dst->si_uid = src->si_uid; 2449 dst->si_status = src->si_status; 2450 dst->si_addr = (uintptr_t)src->si_addr; 2451 dst->si_value.sival_int = src->si_value.sival_int; 2452 dst->si_timerid = src->si_timerid; 2453 dst->si_overrun = src->si_overrun; 2454 } 2455 2456 int 2457 freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2458 { 2459 struct timespec32 ts32; 2460 struct timespec ts; 2461 struct timespec *timeout; 2462 sigset_t set; 2463 ksiginfo_t ksi; 2464 struct siginfo32 si32; 2465 int error; 2466 2467 if (uap->timeout) { 2468 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2469 if (error) 2470 return (error); 2471 ts.tv_sec = ts32.tv_sec; 2472 ts.tv_nsec = ts32.tv_nsec; 2473 timeout = &ts; 2474 } else 2475 timeout = NULL; 2476 2477 error = copyin(uap->set, &set, sizeof(set)); 2478 if (error) 2479 return (error); 2480 2481 error = kern_sigtimedwait(td, set, &ksi, timeout); 2482 if (error) 2483 return (error); 2484 2485 if (uap->info) { 2486 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2487 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2488 } 2489 2490 if (error == 0) 2491 td->td_retval[0] = ksi.ksi_signo; 2492 return (error); 2493 } 2494 2495 /* 2496 * MPSAFE 2497 */ 2498 int 2499 freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2500 { 2501 ksiginfo_t ksi; 2502 struct siginfo32 si32; 2503 sigset_t set; 2504 int error; 2505 2506 error = copyin(uap->set, &set, sizeof(set)); 2507 if (error) 2508 return (error); 2509 2510 error = kern_sigtimedwait(td, set, &ksi, NULL); 2511 if (error) 2512 return (error); 2513 2514 if (uap->info) { 2515 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2516 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2517 } 2518 if (error == 0) 2519 td->td_retval[0] = ksi.ksi_signo; 2520 return (error); 2521 } 2522 2523 int 2524 freebsd32_cpuset_setid(struct thread *td, 2525 struct freebsd32_cpuset_setid_args *uap) 2526 { 2527 2528 return (kern_cpuset_setid(td, uap->which, 2529 PAIR32TO64(id_t, uap->id), uap->setid)); 2530 } 2531 2532 int 2533 freebsd32_cpuset_getid(struct thread *td, 2534 struct freebsd32_cpuset_getid_args *uap) 2535 { 2536 2537 return (kern_cpuset_getid(td, uap->level, uap->which, 2538 PAIR32TO64(id_t, uap->id), uap->setid)); 2539 } 2540 2541 int 2542 freebsd32_cpuset_getaffinity(struct thread *td, 2543 struct freebsd32_cpuset_getaffinity_args *uap) 2544 { 2545 2546 return (kern_cpuset_getaffinity(td, uap->level, uap->which, 2547 PAIR32TO64(id_t,uap->id), uap->cpusetsize, uap->mask)); 2548 } 2549 2550 int 2551 freebsd32_cpuset_setaffinity(struct thread *td, 2552 struct freebsd32_cpuset_setaffinity_args *uap) 2553 { 2554 2555 return (kern_cpuset_setaffinity(td, uap->level, uap->which, 2556 PAIR32TO64(id_t,uap->id), uap->cpusetsize, uap->mask)); 2557 } 2558 2559 int 2560 freebsd32_nmount(struct thread *td, 2561 struct freebsd32_nmount_args /* { 2562 struct iovec *iovp; 2563 unsigned int iovcnt; 2564 int flags; 2565 } */ *uap) 2566 { 2567 struct uio *auio; 2568 uint64_t flags; 2569 int error; 2570 2571 /* 2572 * Mount flags are now 64-bits. On 32-bit archtectures only 2573 * 32-bits are passed in, but from here on everything handles 2574 * 64-bit flags correctly. 2575 */ 2576 flags = uap->flags; 2577 2578 AUDIT_ARG_FFLAGS(flags); 2579 2580 /* 2581 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2582 * userspace to set this flag, but we must filter it out if we want 2583 * MNT_UPDATE on the root file system to work. 2584 * MNT_ROOTFS should only be set by the kernel when mounting its 2585 * root file system. 2586 */ 2587 flags &= ~MNT_ROOTFS; 2588 2589 /* 2590 * check that we have an even number of iovec's 2591 * and that we have at least two options. 2592 */ 2593 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2594 return (EINVAL); 2595 2596 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2597 if (error) 2598 return (error); 2599 error = vfs_donmount(td, flags, auio); 2600 2601 free(auio, M_IOV); 2602 return error; 2603 } 2604 2605 #if 0 2606 int 2607 freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2608 { 2609 struct yyy32 *p32, s32; 2610 struct yyy *p = NULL, s; 2611 struct xxx_arg ap; 2612 int error; 2613 2614 if (uap->zzz) { 2615 error = copyin(uap->zzz, &s32, sizeof(s32)); 2616 if (error) 2617 return (error); 2618 /* translate in */ 2619 p = &s; 2620 } 2621 error = kern_xxx(td, p); 2622 if (error) 2623 return (error); 2624 if (uap->zzz) { 2625 /* translate out */ 2626 error = copyout(&s32, p32, sizeof(s32)); 2627 } 2628 return (error); 2629 } 2630 #endif 2631 2632 int 2633 syscall32_register(int *offset, struct sysent *new_sysent, 2634 struct sysent *old_sysent, int flags) 2635 { 2636 2637 if ((flags & ~SY_THR_STATIC) != 0) 2638 return (EINVAL); 2639 2640 if (*offset == NO_SYSCALL) { 2641 int i; 2642 2643 for (i = 1; i < SYS_MAXSYSCALL; ++i) 2644 if (freebsd32_sysent[i].sy_call == 2645 (sy_call_t *)lkmnosys) 2646 break; 2647 if (i == SYS_MAXSYSCALL) 2648 return (ENFILE); 2649 *offset = i; 2650 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2651 return (EINVAL); 2652 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2653 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2654 return (EEXIST); 2655 2656 *old_sysent = freebsd32_sysent[*offset]; 2657 freebsd32_sysent[*offset] = *new_sysent; 2658 atomic_store_rel_32(&freebsd32_sysent[*offset].sy_thrcnt, flags); 2659 return (0); 2660 } 2661 2662 int 2663 syscall32_deregister(int *offset, struct sysent *old_sysent) 2664 { 2665 2666 if (*offset == 0) 2667 return (0); 2668 2669 freebsd32_sysent[*offset] = *old_sysent; 2670 return (0); 2671 } 2672 2673 int 2674 syscall32_module_handler(struct module *mod, int what, void *arg) 2675 { 2676 struct syscall_module_data *data = (struct syscall_module_data*)arg; 2677 modspecific_t ms; 2678 int error; 2679 2680 switch (what) { 2681 case MOD_LOAD: 2682 error = syscall32_register(data->offset, data->new_sysent, 2683 &data->old_sysent, SY_THR_STATIC_KLD); 2684 if (error) { 2685 /* Leave a mark so we know to safely unload below. */ 2686 data->offset = NULL; 2687 return error; 2688 } 2689 ms.intval = *data->offset; 2690 MOD_XLOCK; 2691 module_setspecific(mod, &ms); 2692 MOD_XUNLOCK; 2693 if (data->chainevh) 2694 error = data->chainevh(mod, what, data->chainarg); 2695 return (error); 2696 case MOD_UNLOAD: 2697 /* 2698 * MOD_LOAD failed, so just return without calling the 2699 * chained handler since we didn't pass along the MOD_LOAD 2700 * event. 2701 */ 2702 if (data->offset == NULL) 2703 return (0); 2704 if (data->chainevh) { 2705 error = data->chainevh(mod, what, data->chainarg); 2706 if (error) 2707 return (error); 2708 } 2709 error = syscall32_deregister(data->offset, &data->old_sysent); 2710 return (error); 2711 default: 2712 error = EOPNOTSUPP; 2713 if (data->chainevh) 2714 error = data->chainevh(mod, what, data->chainarg); 2715 return (error); 2716 } 2717 } 2718 2719 int 2720 syscall32_helper_register(struct syscall_helper_data *sd, int flags) 2721 { 2722 struct syscall_helper_data *sd1; 2723 int error; 2724 2725 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) { 2726 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent, 2727 &sd1->old_sysent, flags); 2728 if (error != 0) { 2729 syscall32_helper_unregister(sd); 2730 return (error); 2731 } 2732 sd1->registered = 1; 2733 } 2734 return (0); 2735 } 2736 2737 int 2738 syscall32_helper_unregister(struct syscall_helper_data *sd) 2739 { 2740 struct syscall_helper_data *sd1; 2741 2742 for (sd1 = sd; sd1->registered != 0; sd1++) { 2743 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent); 2744 sd1->registered = 0; 2745 } 2746 return (0); 2747 } 2748 2749 register_t * 2750 freebsd32_copyout_strings(struct image_params *imgp) 2751 { 2752 int argc, envc, i; 2753 u_int32_t *vectp; 2754 char *stringp; 2755 uintptr_t destp; 2756 u_int32_t *stack_base; 2757 struct freebsd32_ps_strings *arginfo; 2758 char canary[sizeof(long) * 8]; 2759 int32_t pagesizes32[MAXPAGESIZES]; 2760 size_t execpath_len; 2761 int szsigcode; 2762 2763 /* 2764 * Calculate string base and vector table pointers. 2765 * Also deal with signal trampoline code for this exec type. 2766 */ 2767 if (imgp->execpath != NULL && imgp->auxargs != NULL) 2768 execpath_len = strlen(imgp->execpath) + 1; 2769 else 2770 execpath_len = 0; 2771 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 2772 sv_psstrings; 2773 if (imgp->proc->p_sysent->sv_sigcode_base == 0) 2774 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 2775 else 2776 szsigcode = 0; 2777 destp = (uintptr_t)arginfo; 2778 2779 /* 2780 * install sigcode 2781 */ 2782 if (szsigcode != 0) { 2783 destp -= szsigcode; 2784 destp = rounddown2(destp, sizeof(uint32_t)); 2785 copyout(imgp->proc->p_sysent->sv_sigcode, (void *)destp, 2786 szsigcode); 2787 } 2788 2789 /* 2790 * Copy the image path for the rtld. 2791 */ 2792 if (execpath_len != 0) { 2793 destp -= execpath_len; 2794 imgp->execpathp = destp; 2795 copyout(imgp->execpath, (void *)destp, execpath_len); 2796 } 2797 2798 /* 2799 * Prepare the canary for SSP. 2800 */ 2801 arc4rand(canary, sizeof(canary), 0); 2802 destp -= sizeof(canary); 2803 imgp->canary = destp; 2804 copyout(canary, (void *)destp, sizeof(canary)); 2805 imgp->canarylen = sizeof(canary); 2806 2807 /* 2808 * Prepare the pagesizes array. 2809 */ 2810 for (i = 0; i < MAXPAGESIZES; i++) 2811 pagesizes32[i] = (uint32_t)pagesizes[i]; 2812 destp -= sizeof(pagesizes32); 2813 destp = rounddown2(destp, sizeof(uint32_t)); 2814 imgp->pagesizes = destp; 2815 copyout(pagesizes32, (void *)destp, sizeof(pagesizes32)); 2816 imgp->pagesizeslen = sizeof(pagesizes32); 2817 2818 destp -= ARG_MAX - imgp->args->stringspace; 2819 destp = rounddown2(destp, sizeof(uint32_t)); 2820 2821 /* 2822 * If we have a valid auxargs ptr, prepare some room 2823 * on the stack. 2824 */ 2825 if (imgp->auxargs) { 2826 /* 2827 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 2828 * lower compatibility. 2829 */ 2830 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 2831 : (AT_COUNT * 2); 2832 /* 2833 * The '+ 2' is for the null pointers at the end of each of 2834 * the arg and env vector sets,and imgp->auxarg_size is room 2835 * for argument of Runtime loader. 2836 */ 2837 vectp = (u_int32_t *) (destp - (imgp->args->argc + 2838 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 2839 sizeof(u_int32_t)); 2840 } else { 2841 /* 2842 * The '+ 2' is for the null pointers at the end of each of 2843 * the arg and env vector sets 2844 */ 2845 vectp = (u_int32_t *)(destp - (imgp->args->argc + 2846 imgp->args->envc + 2) * sizeof(u_int32_t)); 2847 } 2848 2849 /* 2850 * vectp also becomes our initial stack base 2851 */ 2852 stack_base = vectp; 2853 2854 stringp = imgp->args->begin_argv; 2855 argc = imgp->args->argc; 2856 envc = imgp->args->envc; 2857 /* 2858 * Copy out strings - arguments and environment. 2859 */ 2860 copyout(stringp, (void *)destp, ARG_MAX - imgp->args->stringspace); 2861 2862 /* 2863 * Fill in "ps_strings" struct for ps, w, etc. 2864 */ 2865 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 2866 suword32(&arginfo->ps_nargvstr, argc); 2867 2868 /* 2869 * Fill in argument portion of vector table. 2870 */ 2871 for (; argc > 0; --argc) { 2872 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2873 while (*stringp++ != 0) 2874 destp++; 2875 destp++; 2876 } 2877 2878 /* a null vector table pointer separates the argp's from the envp's */ 2879 suword32(vectp++, 0); 2880 2881 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 2882 suword32(&arginfo->ps_nenvstr, envc); 2883 2884 /* 2885 * Fill in environment portion of vector table. 2886 */ 2887 for (; envc > 0; --envc) { 2888 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2889 while (*stringp++ != 0) 2890 destp++; 2891 destp++; 2892 } 2893 2894 /* end of vector table is a null pointer */ 2895 suword32(vectp, 0); 2896 2897 return ((register_t *)stack_base); 2898 } 2899 2900 int 2901 freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap) 2902 { 2903 struct kld_file_stat stat; 2904 struct kld32_file_stat stat32; 2905 int error, version; 2906 2907 if ((error = copyin(&uap->stat->version, &version, sizeof(version))) 2908 != 0) 2909 return (error); 2910 if (version != sizeof(struct kld32_file_stat_1) && 2911 version != sizeof(struct kld32_file_stat)) 2912 return (EINVAL); 2913 2914 error = kern_kldstat(td, uap->fileid, &stat); 2915 if (error != 0) 2916 return (error); 2917 2918 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name)); 2919 CP(stat, stat32, refs); 2920 CP(stat, stat32, id); 2921 PTROUT_CP(stat, stat32, address); 2922 CP(stat, stat32, size); 2923 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname)); 2924 return (copyout(&stat32, uap->stat, version)); 2925 } 2926 2927 int 2928 freebsd32_posix_fallocate(struct thread *td, 2929 struct freebsd32_posix_fallocate_args *uap) 2930 { 2931 int error; 2932 2933 error = kern_posix_fallocate(td, uap->fd, 2934 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len)); 2935 return (kern_posix_error(td, error)); 2936 } 2937 2938 int 2939 freebsd32_posix_fadvise(struct thread *td, 2940 struct freebsd32_posix_fadvise_args *uap) 2941 { 2942 int error; 2943 2944 error = kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset), 2945 PAIR32TO64(off_t, uap->len), uap->advice); 2946 return (kern_posix_error(td, error)); 2947 } 2948 2949 int 2950 convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig) 2951 { 2952 2953 CP(*sig32, *sig, sigev_notify); 2954 switch (sig->sigev_notify) { 2955 case SIGEV_NONE: 2956 break; 2957 case SIGEV_THREAD_ID: 2958 CP(*sig32, *sig, sigev_notify_thread_id); 2959 /* FALLTHROUGH */ 2960 case SIGEV_SIGNAL: 2961 CP(*sig32, *sig, sigev_signo); 2962 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 2963 break; 2964 case SIGEV_KEVENT: 2965 CP(*sig32, *sig, sigev_notify_kqueue); 2966 CP(*sig32, *sig, sigev_notify_kevent_flags); 2967 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 2968 break; 2969 default: 2970 return (EINVAL); 2971 } 2972 return (0); 2973 } 2974 2975 int 2976 freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap) 2977 { 2978 void *data; 2979 union { 2980 struct procctl_reaper_status rs; 2981 struct procctl_reaper_pids rp; 2982 struct procctl_reaper_kill rk; 2983 } x; 2984 union { 2985 struct procctl_reaper_pids32 rp; 2986 } x32; 2987 int error, error1, flags; 2988 2989 switch (uap->com) { 2990 case PROC_SPROTECT: 2991 case PROC_TRACE_CTL: 2992 case PROC_TRAPCAP_CTL: 2993 error = copyin(PTRIN(uap->data), &flags, sizeof(flags)); 2994 if (error != 0) 2995 return (error); 2996 data = &flags; 2997 break; 2998 case PROC_REAP_ACQUIRE: 2999 case PROC_REAP_RELEASE: 3000 if (uap->data != NULL) 3001 return (EINVAL); 3002 data = NULL; 3003 break; 3004 case PROC_REAP_STATUS: 3005 data = &x.rs; 3006 break; 3007 case PROC_REAP_GETPIDS: 3008 error = copyin(uap->data, &x32.rp, sizeof(x32.rp)); 3009 if (error != 0) 3010 return (error); 3011 CP(x32.rp, x.rp, rp_count); 3012 PTRIN_CP(x32.rp, x.rp, rp_pids); 3013 data = &x.rp; 3014 break; 3015 case PROC_REAP_KILL: 3016 error = copyin(uap->data, &x.rk, sizeof(x.rk)); 3017 if (error != 0) 3018 return (error); 3019 data = &x.rk; 3020 break; 3021 case PROC_TRACE_STATUS: 3022 case PROC_TRAPCAP_STATUS: 3023 data = &flags; 3024 break; 3025 default: 3026 return (EINVAL); 3027 } 3028 error = kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id), 3029 uap->com, data); 3030 switch (uap->com) { 3031 case PROC_REAP_STATUS: 3032 if (error == 0) 3033 error = copyout(&x.rs, uap->data, sizeof(x.rs)); 3034 break; 3035 case PROC_REAP_KILL: 3036 error1 = copyout(&x.rk, uap->data, sizeof(x.rk)); 3037 if (error == 0) 3038 error = error1; 3039 break; 3040 case PROC_TRACE_STATUS: 3041 case PROC_TRAPCAP_STATUS: 3042 if (error == 0) 3043 error = copyout(&flags, uap->data, sizeof(flags)); 3044 break; 3045 } 3046 return (error); 3047 } 3048 3049 int 3050 freebsd32_fcntl(struct thread *td, struct freebsd32_fcntl_args *uap) 3051 { 3052 long tmp; 3053 3054 switch (uap->cmd) { 3055 /* 3056 * Do unsigned conversion for arg when operation 3057 * interprets it as flags or pointer. 3058 */ 3059 case F_SETLK_REMOTE: 3060 case F_SETLKW: 3061 case F_SETLK: 3062 case F_GETLK: 3063 case F_SETFD: 3064 case F_SETFL: 3065 case F_OGETLK: 3066 case F_OSETLK: 3067 case F_OSETLKW: 3068 tmp = (unsigned int)(uap->arg); 3069 break; 3070 default: 3071 tmp = uap->arg; 3072 break; 3073 } 3074 return (kern_fcntl_freebsd(td, uap->fd, uap->cmd, tmp)); 3075 } 3076 3077 int 3078 freebsd32_ppoll(struct thread *td, struct freebsd32_ppoll_args *uap) 3079 { 3080 struct timespec32 ts32; 3081 struct timespec ts, *tsp; 3082 sigset_t set, *ssp; 3083 int error; 3084 3085 if (uap->ts != NULL) { 3086 error = copyin(uap->ts, &ts32, sizeof(ts32)); 3087 if (error != 0) 3088 return (error); 3089 CP(ts32, ts, tv_sec); 3090 CP(ts32, ts, tv_nsec); 3091 tsp = &ts; 3092 } else 3093 tsp = NULL; 3094 if (uap->set != NULL) { 3095 error = copyin(uap->set, &set, sizeof(set)); 3096 if (error != 0) 3097 return (error); 3098 ssp = &set; 3099 } else 3100 ssp = NULL; 3101 3102 return (kern_poll(td, uap->fds, uap->nfds, tsp, ssp)); 3103 } 3104