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 struct mprotect_args ap; 453 454 ap.addr = PTRIN(uap->addr); 455 ap.len = uap->len; 456 ap.prot = uap->prot; 457 #if defined(__amd64__) 458 if (i386_read_exec && (ap.prot & PROT_READ) != 0) 459 ap.prot |= PROT_EXEC; 460 #endif 461 return (sys_mprotect(td, &ap)); 462 } 463 464 int 465 freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 466 { 467 struct mmap_args ap; 468 vm_offset_t addr = (vm_offset_t) uap->addr; 469 vm_size_t len = uap->len; 470 int prot = uap->prot; 471 int flags = uap->flags; 472 int fd = uap->fd; 473 off_t pos = PAIR32TO64(off_t,uap->pos); 474 475 #if defined(__amd64__) 476 if (i386_read_exec && (prot & PROT_READ)) 477 prot |= PROT_EXEC; 478 #endif 479 480 ap.addr = (void *) addr; 481 ap.len = len; 482 ap.prot = prot; 483 ap.flags = flags; 484 ap.fd = fd; 485 ap.pos = pos; 486 487 return (sys_mmap(td, &ap)); 488 } 489 490 #ifdef COMPAT_FREEBSD6 491 int 492 freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 493 { 494 struct freebsd32_mmap_args ap; 495 496 ap.addr = uap->addr; 497 ap.len = uap->len; 498 ap.prot = uap->prot; 499 ap.flags = uap->flags; 500 ap.fd = uap->fd; 501 ap.pos1 = uap->pos1; 502 ap.pos2 = uap->pos2; 503 504 return (freebsd32_mmap(td, &ap)); 505 } 506 #endif 507 508 int 509 freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 510 { 511 struct itimerval itv, oitv, *itvp; 512 struct itimerval32 i32; 513 int error; 514 515 if (uap->itv != NULL) { 516 error = copyin(uap->itv, &i32, sizeof(i32)); 517 if (error) 518 return (error); 519 TV_CP(i32, itv, it_interval); 520 TV_CP(i32, itv, it_value); 521 itvp = &itv; 522 } else 523 itvp = NULL; 524 error = kern_setitimer(td, uap->which, itvp, &oitv); 525 if (error || uap->oitv == NULL) 526 return (error); 527 TV_CP(oitv, i32, it_interval); 528 TV_CP(oitv, i32, it_value); 529 return (copyout(&i32, uap->oitv, sizeof(i32))); 530 } 531 532 int 533 freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 534 { 535 struct itimerval itv; 536 struct itimerval32 i32; 537 int error; 538 539 error = kern_getitimer(td, uap->which, &itv); 540 if (error || uap->itv == NULL) 541 return (error); 542 TV_CP(itv, i32, it_interval); 543 TV_CP(itv, i32, it_value); 544 return (copyout(&i32, uap->itv, sizeof(i32))); 545 } 546 547 int 548 freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 549 { 550 struct timeval32 tv32; 551 struct timeval tv, *tvp; 552 int error; 553 554 if (uap->tv != NULL) { 555 error = copyin(uap->tv, &tv32, sizeof(tv32)); 556 if (error) 557 return (error); 558 CP(tv32, tv, tv_sec); 559 CP(tv32, tv, tv_usec); 560 tvp = &tv; 561 } else 562 tvp = NULL; 563 /* 564 * XXX Do pointers need PTRIN()? 565 */ 566 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 567 sizeof(int32_t) * 8)); 568 } 569 570 int 571 freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 572 { 573 struct timespec32 ts32; 574 struct timespec ts; 575 struct timeval tv, *tvp; 576 sigset_t set, *uset; 577 int error; 578 579 if (uap->ts != NULL) { 580 error = copyin(uap->ts, &ts32, sizeof(ts32)); 581 if (error != 0) 582 return (error); 583 CP(ts32, ts, tv_sec); 584 CP(ts32, ts, tv_nsec); 585 TIMESPEC_TO_TIMEVAL(&tv, &ts); 586 tvp = &tv; 587 } else 588 tvp = NULL; 589 if (uap->sm != NULL) { 590 error = copyin(uap->sm, &set, sizeof(set)); 591 if (error != 0) 592 return (error); 593 uset = &set; 594 } else 595 uset = NULL; 596 /* 597 * XXX Do pointers need PTRIN()? 598 */ 599 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 600 uset, sizeof(int32_t) * 8); 601 return (error); 602 } 603 604 /* 605 * Copy 'count' items into the destination list pointed to by uap->eventlist. 606 */ 607 static int 608 freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 609 { 610 struct freebsd32_kevent_args *uap; 611 struct kevent32 ks32[KQ_NEVENTS]; 612 int i, error = 0; 613 614 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 615 uap = (struct freebsd32_kevent_args *)arg; 616 617 for (i = 0; i < count; i++) { 618 CP(kevp[i], ks32[i], ident); 619 CP(kevp[i], ks32[i], filter); 620 CP(kevp[i], ks32[i], flags); 621 CP(kevp[i], ks32[i], fflags); 622 CP(kevp[i], ks32[i], data); 623 PTROUT_CP(kevp[i], ks32[i], udata); 624 } 625 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 626 if (error == 0) 627 uap->eventlist += count; 628 return (error); 629 } 630 631 /* 632 * Copy 'count' items from the list pointed to by uap->changelist. 633 */ 634 static int 635 freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 636 { 637 struct freebsd32_kevent_args *uap; 638 struct kevent32 ks32[KQ_NEVENTS]; 639 int i, error = 0; 640 641 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 642 uap = (struct freebsd32_kevent_args *)arg; 643 644 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 645 if (error) 646 goto done; 647 uap->changelist += count; 648 649 for (i = 0; i < count; i++) { 650 CP(ks32[i], kevp[i], ident); 651 CP(ks32[i], kevp[i], filter); 652 CP(ks32[i], kevp[i], flags); 653 CP(ks32[i], kevp[i], fflags); 654 CP(ks32[i], kevp[i], data); 655 PTRIN_CP(ks32[i], kevp[i], udata); 656 } 657 done: 658 return (error); 659 } 660 661 int 662 freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 663 { 664 struct timespec32 ts32; 665 struct timespec ts, *tsp; 666 struct kevent_copyops k_ops = { uap, 667 freebsd32_kevent_copyout, 668 freebsd32_kevent_copyin}; 669 int error; 670 671 672 if (uap->timeout) { 673 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 674 if (error) 675 return (error); 676 CP(ts32, ts, tv_sec); 677 CP(ts32, ts, tv_nsec); 678 tsp = &ts; 679 } else 680 tsp = NULL; 681 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 682 &k_ops, tsp); 683 return (error); 684 } 685 686 int 687 freebsd32_gettimeofday(struct thread *td, 688 struct freebsd32_gettimeofday_args *uap) 689 { 690 struct timeval atv; 691 struct timeval32 atv32; 692 struct timezone rtz; 693 int error = 0; 694 695 if (uap->tp) { 696 microtime(&atv); 697 CP(atv, atv32, tv_sec); 698 CP(atv, atv32, tv_usec); 699 error = copyout(&atv32, uap->tp, sizeof (atv32)); 700 } 701 if (error == 0 && uap->tzp != NULL) { 702 rtz.tz_minuteswest = tz_minuteswest; 703 rtz.tz_dsttime = tz_dsttime; 704 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 705 } 706 return (error); 707 } 708 709 int 710 freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 711 { 712 struct rusage32 s32; 713 struct rusage s; 714 int error; 715 716 error = kern_getrusage(td, uap->who, &s); 717 if (error) 718 return (error); 719 if (uap->rusage != NULL) { 720 freebsd32_rusage_out(&s, &s32); 721 error = copyout(&s32, uap->rusage, sizeof(s32)); 722 } 723 return (error); 724 } 725 726 static int 727 freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 728 { 729 struct iovec32 iov32; 730 struct iovec *iov; 731 struct uio *uio; 732 u_int iovlen; 733 int error, i; 734 735 *uiop = NULL; 736 if (iovcnt > UIO_MAXIOV) 737 return (EINVAL); 738 iovlen = iovcnt * sizeof(struct iovec); 739 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 740 iov = (struct iovec *)(uio + 1); 741 for (i = 0; i < iovcnt; i++) { 742 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 743 if (error) { 744 free(uio, M_IOV); 745 return (error); 746 } 747 iov[i].iov_base = PTRIN(iov32.iov_base); 748 iov[i].iov_len = iov32.iov_len; 749 } 750 uio->uio_iov = iov; 751 uio->uio_iovcnt = iovcnt; 752 uio->uio_segflg = UIO_USERSPACE; 753 uio->uio_offset = -1; 754 uio->uio_resid = 0; 755 for (i = 0; i < iovcnt; i++) { 756 if (iov->iov_len > INT_MAX - uio->uio_resid) { 757 free(uio, M_IOV); 758 return (EINVAL); 759 } 760 uio->uio_resid += iov->iov_len; 761 iov++; 762 } 763 *uiop = uio; 764 return (0); 765 } 766 767 int 768 freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 769 { 770 struct uio *auio; 771 int error; 772 773 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 774 if (error) 775 return (error); 776 error = kern_readv(td, uap->fd, auio); 777 free(auio, M_IOV); 778 return (error); 779 } 780 781 int 782 freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 783 { 784 struct uio *auio; 785 int error; 786 787 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 788 if (error) 789 return (error); 790 error = kern_writev(td, uap->fd, auio); 791 free(auio, M_IOV); 792 return (error); 793 } 794 795 int 796 freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 797 { 798 struct uio *auio; 799 int error; 800 801 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 802 if (error) 803 return (error); 804 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 805 free(auio, M_IOV); 806 return (error); 807 } 808 809 int 810 freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 811 { 812 struct uio *auio; 813 int error; 814 815 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 816 if (error) 817 return (error); 818 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 819 free(auio, M_IOV); 820 return (error); 821 } 822 823 int 824 freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 825 int error) 826 { 827 struct iovec32 iov32; 828 struct iovec *iov; 829 u_int iovlen; 830 int i; 831 832 *iovp = NULL; 833 if (iovcnt > UIO_MAXIOV) 834 return (error); 835 iovlen = iovcnt * sizeof(struct iovec); 836 iov = malloc(iovlen, M_IOV, M_WAITOK); 837 for (i = 0; i < iovcnt; i++) { 838 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 839 if (error) { 840 free(iov, M_IOV); 841 return (error); 842 } 843 iov[i].iov_base = PTRIN(iov32.iov_base); 844 iov[i].iov_len = iov32.iov_len; 845 } 846 *iovp = iov; 847 return (0); 848 } 849 850 static int 851 freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 852 { 853 struct msghdr32 m32; 854 int error; 855 856 error = copyin(msg32, &m32, sizeof(m32)); 857 if (error) 858 return (error); 859 msg->msg_name = PTRIN(m32.msg_name); 860 msg->msg_namelen = m32.msg_namelen; 861 msg->msg_iov = PTRIN(m32.msg_iov); 862 msg->msg_iovlen = m32.msg_iovlen; 863 msg->msg_control = PTRIN(m32.msg_control); 864 msg->msg_controllen = m32.msg_controllen; 865 msg->msg_flags = m32.msg_flags; 866 return (0); 867 } 868 869 static int 870 freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 871 { 872 struct msghdr32 m32; 873 int error; 874 875 m32.msg_name = PTROUT(msg->msg_name); 876 m32.msg_namelen = msg->msg_namelen; 877 m32.msg_iov = PTROUT(msg->msg_iov); 878 m32.msg_iovlen = msg->msg_iovlen; 879 m32.msg_control = PTROUT(msg->msg_control); 880 m32.msg_controllen = msg->msg_controllen; 881 m32.msg_flags = msg->msg_flags; 882 error = copyout(&m32, msg32, sizeof(m32)); 883 return (error); 884 } 885 886 #ifndef __mips__ 887 #define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 888 #else 889 #define FREEBSD32_ALIGNBYTES (sizeof(long) - 1) 890 #endif 891 #define FREEBSD32_ALIGN(p) \ 892 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 893 #define FREEBSD32_CMSG_SPACE(l) \ 894 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 895 896 #define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 897 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 898 static int 899 freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 900 { 901 struct cmsghdr *cm; 902 void *data; 903 socklen_t clen, datalen; 904 int error; 905 caddr_t ctlbuf; 906 int len, maxlen, copylen; 907 struct mbuf *m; 908 error = 0; 909 910 len = msg->msg_controllen; 911 maxlen = msg->msg_controllen; 912 msg->msg_controllen = 0; 913 914 m = control; 915 ctlbuf = msg->msg_control; 916 917 while (m && len > 0) { 918 cm = mtod(m, struct cmsghdr *); 919 clen = m->m_len; 920 921 while (cm != NULL) { 922 923 if (sizeof(struct cmsghdr) > clen || 924 cm->cmsg_len > clen) { 925 error = EINVAL; 926 break; 927 } 928 929 data = CMSG_DATA(cm); 930 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 931 932 /* Adjust message length */ 933 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 934 datalen; 935 936 937 /* Copy cmsghdr */ 938 copylen = sizeof(struct cmsghdr); 939 if (len < copylen) { 940 msg->msg_flags |= MSG_CTRUNC; 941 copylen = len; 942 } 943 944 error = copyout(cm,ctlbuf,copylen); 945 if (error) 946 goto exit; 947 948 ctlbuf += FREEBSD32_ALIGN(copylen); 949 len -= FREEBSD32_ALIGN(copylen); 950 951 if (len <= 0) 952 break; 953 954 /* Copy data */ 955 copylen = datalen; 956 if (len < copylen) { 957 msg->msg_flags |= MSG_CTRUNC; 958 copylen = len; 959 } 960 961 error = copyout(data,ctlbuf,copylen); 962 if (error) 963 goto exit; 964 965 ctlbuf += FREEBSD32_ALIGN(copylen); 966 len -= FREEBSD32_ALIGN(copylen); 967 968 if (CMSG_SPACE(datalen) < clen) { 969 clen -= CMSG_SPACE(datalen); 970 cm = (struct cmsghdr *) 971 ((caddr_t)cm + CMSG_SPACE(datalen)); 972 } else { 973 clen = 0; 974 cm = NULL; 975 } 976 } 977 m = m->m_next; 978 } 979 980 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 981 982 exit: 983 return (error); 984 985 } 986 987 int 988 freebsd32_recvmsg(td, uap) 989 struct thread *td; 990 struct freebsd32_recvmsg_args /* { 991 int s; 992 struct msghdr32 *msg; 993 int flags; 994 } */ *uap; 995 { 996 struct msghdr msg; 997 struct msghdr32 m32; 998 struct iovec *uiov, *iov; 999 struct mbuf *control = NULL; 1000 struct mbuf **controlp; 1001 1002 int error; 1003 error = copyin(uap->msg, &m32, sizeof(m32)); 1004 if (error) 1005 return (error); 1006 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1007 if (error) 1008 return (error); 1009 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1010 EMSGSIZE); 1011 if (error) 1012 return (error); 1013 msg.msg_flags = uap->flags; 1014 uiov = msg.msg_iov; 1015 msg.msg_iov = iov; 1016 1017 controlp = (msg.msg_control != NULL) ? &control : NULL; 1018 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1019 if (error == 0) { 1020 msg.msg_iov = uiov; 1021 1022 if (control != NULL) 1023 error = freebsd32_copy_msg_out(&msg, control); 1024 else 1025 msg.msg_controllen = 0; 1026 1027 if (error == 0) 1028 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1029 } 1030 free(iov, M_IOV); 1031 1032 if (control != NULL) 1033 m_freem(control); 1034 1035 return (error); 1036 } 1037 1038 /* 1039 * Copy-in the array of control messages constructed using alignment 1040 * and padding suitable for a 32-bit environment and construct an 1041 * mbuf using alignment and padding suitable for a 64-bit kernel. 1042 * The alignment and padding are defined indirectly by CMSG_DATA(), 1043 * CMSG_SPACE() and CMSG_LEN(). 1044 */ 1045 static int 1046 freebsd32_copyin_control(struct mbuf **mp, caddr_t buf, u_int buflen) 1047 { 1048 struct mbuf *m; 1049 void *md; 1050 u_int idx, len, msglen; 1051 int error; 1052 1053 buflen = FREEBSD32_ALIGN(buflen); 1054 1055 if (buflen > MCLBYTES) 1056 return (EINVAL); 1057 1058 /* 1059 * Iterate over the buffer and get the length of each message 1060 * in there. This has 32-bit alignment and padding. Use it to 1061 * determine the length of these messages when using 64-bit 1062 * alignment and padding. 1063 */ 1064 idx = 0; 1065 len = 0; 1066 while (idx < buflen) { 1067 error = copyin(buf + idx, &msglen, sizeof(msglen)); 1068 if (error) 1069 return (error); 1070 if (msglen < sizeof(struct cmsghdr)) 1071 return (EINVAL); 1072 msglen = FREEBSD32_ALIGN(msglen); 1073 if (idx + msglen > buflen) 1074 return (EINVAL); 1075 idx += msglen; 1076 msglen += CMSG_ALIGN(sizeof(struct cmsghdr)) - 1077 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1078 len += CMSG_ALIGN(msglen); 1079 } 1080 1081 if (len > MCLBYTES) 1082 return (EINVAL); 1083 1084 m = m_get(M_WAITOK, MT_CONTROL); 1085 if (len > MLEN) 1086 MCLGET(m, M_WAITOK); 1087 m->m_len = len; 1088 1089 md = mtod(m, void *); 1090 while (buflen > 0) { 1091 error = copyin(buf, md, sizeof(struct cmsghdr)); 1092 if (error) 1093 break; 1094 msglen = *(u_int *)md; 1095 msglen = FREEBSD32_ALIGN(msglen); 1096 1097 /* Modify the message length to account for alignment. */ 1098 *(u_int *)md = msglen + CMSG_ALIGN(sizeof(struct cmsghdr)) - 1099 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1100 1101 md = (char *)md + CMSG_ALIGN(sizeof(struct cmsghdr)); 1102 buf += FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1103 buflen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1104 1105 msglen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1106 if (msglen > 0) { 1107 error = copyin(buf, md, msglen); 1108 if (error) 1109 break; 1110 md = (char *)md + CMSG_ALIGN(msglen); 1111 buf += msglen; 1112 buflen -= msglen; 1113 } 1114 } 1115 1116 if (error) 1117 m_free(m); 1118 else 1119 *mp = m; 1120 return (error); 1121 } 1122 1123 int 1124 freebsd32_sendmsg(struct thread *td, 1125 struct freebsd32_sendmsg_args *uap) 1126 { 1127 struct msghdr msg; 1128 struct msghdr32 m32; 1129 struct iovec *iov; 1130 struct mbuf *control = NULL; 1131 struct sockaddr *to = NULL; 1132 int error; 1133 1134 error = copyin(uap->msg, &m32, sizeof(m32)); 1135 if (error) 1136 return (error); 1137 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1138 if (error) 1139 return (error); 1140 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1141 EMSGSIZE); 1142 if (error) 1143 return (error); 1144 msg.msg_iov = iov; 1145 if (msg.msg_name != NULL) { 1146 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1147 if (error) { 1148 to = NULL; 1149 goto out; 1150 } 1151 msg.msg_name = to; 1152 } 1153 1154 if (msg.msg_control) { 1155 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1156 error = EINVAL; 1157 goto out; 1158 } 1159 1160 error = freebsd32_copyin_control(&control, msg.msg_control, 1161 msg.msg_controllen); 1162 if (error) 1163 goto out; 1164 1165 msg.msg_control = NULL; 1166 msg.msg_controllen = 0; 1167 } 1168 1169 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1170 UIO_USERSPACE); 1171 1172 out: 1173 free(iov, M_IOV); 1174 if (to) 1175 free(to, M_SONAME); 1176 return (error); 1177 } 1178 1179 int 1180 freebsd32_recvfrom(struct thread *td, 1181 struct freebsd32_recvfrom_args *uap) 1182 { 1183 struct msghdr msg; 1184 struct iovec aiov; 1185 int error; 1186 1187 if (uap->fromlenaddr) { 1188 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1189 sizeof(msg.msg_namelen)); 1190 if (error) 1191 return (error); 1192 } else { 1193 msg.msg_namelen = 0; 1194 } 1195 1196 msg.msg_name = PTRIN(uap->from); 1197 msg.msg_iov = &aiov; 1198 msg.msg_iovlen = 1; 1199 aiov.iov_base = PTRIN(uap->buf); 1200 aiov.iov_len = uap->len; 1201 msg.msg_control = NULL; 1202 msg.msg_flags = uap->flags; 1203 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1204 if (error == 0 && uap->fromlenaddr) 1205 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1206 sizeof (msg.msg_namelen)); 1207 return (error); 1208 } 1209 1210 int 1211 freebsd32_settimeofday(struct thread *td, 1212 struct freebsd32_settimeofday_args *uap) 1213 { 1214 struct timeval32 tv32; 1215 struct timeval tv, *tvp; 1216 struct timezone tz, *tzp; 1217 int error; 1218 1219 if (uap->tv) { 1220 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1221 if (error) 1222 return (error); 1223 CP(tv32, tv, tv_sec); 1224 CP(tv32, tv, tv_usec); 1225 tvp = &tv; 1226 } else 1227 tvp = NULL; 1228 if (uap->tzp) { 1229 error = copyin(uap->tzp, &tz, sizeof(tz)); 1230 if (error) 1231 return (error); 1232 tzp = &tz; 1233 } else 1234 tzp = NULL; 1235 return (kern_settimeofday(td, tvp, tzp)); 1236 } 1237 1238 int 1239 freebsd32_utimes(struct thread *td, struct freebsd32_utimes_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_utimesat(td, AT_FDCWD, uap->path, UIO_USERSPACE, 1257 sp, UIO_SYSSPACE)); 1258 } 1259 1260 int 1261 freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1262 { 1263 struct timeval32 s32[2]; 1264 struct timeval s[2], *sp; 1265 int error; 1266 1267 if (uap->tptr != NULL) { 1268 error = copyin(uap->tptr, s32, sizeof(s32)); 1269 if (error) 1270 return (error); 1271 CP(s32[0], s[0], tv_sec); 1272 CP(s32[0], s[0], tv_usec); 1273 CP(s32[1], s[1], tv_sec); 1274 CP(s32[1], s[1], tv_usec); 1275 sp = s; 1276 } else 1277 sp = NULL; 1278 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1279 } 1280 1281 int 1282 freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1283 { 1284 struct timeval32 s32[2]; 1285 struct timeval s[2], *sp; 1286 int error; 1287 1288 if (uap->tptr != NULL) { 1289 error = copyin(uap->tptr, s32, sizeof(s32)); 1290 if (error) 1291 return (error); 1292 CP(s32[0], s[0], tv_sec); 1293 CP(s32[0], s[0], tv_usec); 1294 CP(s32[1], s[1], tv_sec); 1295 CP(s32[1], s[1], tv_usec); 1296 sp = s; 1297 } else 1298 sp = NULL; 1299 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1300 } 1301 1302 int 1303 freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1304 { 1305 struct timeval32 s32[2]; 1306 struct timeval s[2], *sp; 1307 int error; 1308 1309 if (uap->times != NULL) { 1310 error = copyin(uap->times, s32, sizeof(s32)); 1311 if (error) 1312 return (error); 1313 CP(s32[0], s[0], tv_sec); 1314 CP(s32[0], s[0], tv_usec); 1315 CP(s32[1], s[1], tv_sec); 1316 CP(s32[1], s[1], tv_usec); 1317 sp = s; 1318 } else 1319 sp = NULL; 1320 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1321 sp, UIO_SYSSPACE)); 1322 } 1323 1324 int 1325 freebsd32_futimens(struct thread *td, struct freebsd32_futimens_args *uap) 1326 { 1327 struct timespec32 ts32[2]; 1328 struct timespec ts[2], *tsp; 1329 int error; 1330 1331 if (uap->times != NULL) { 1332 error = copyin(uap->times, ts32, sizeof(ts32)); 1333 if (error) 1334 return (error); 1335 CP(ts32[0], ts[0], tv_sec); 1336 CP(ts32[0], ts[0], tv_nsec); 1337 CP(ts32[1], ts[1], tv_sec); 1338 CP(ts32[1], ts[1], tv_nsec); 1339 tsp = ts; 1340 } else 1341 tsp = NULL; 1342 return (kern_futimens(td, uap->fd, tsp, UIO_SYSSPACE)); 1343 } 1344 1345 int 1346 freebsd32_utimensat(struct thread *td, struct freebsd32_utimensat_args *uap) 1347 { 1348 struct timespec32 ts32[2]; 1349 struct timespec ts[2], *tsp; 1350 int error; 1351 1352 if (uap->times != NULL) { 1353 error = copyin(uap->times, ts32, sizeof(ts32)); 1354 if (error) 1355 return (error); 1356 CP(ts32[0], ts[0], tv_sec); 1357 CP(ts32[0], ts[0], tv_nsec); 1358 CP(ts32[1], ts[1], tv_sec); 1359 CP(ts32[1], ts[1], tv_nsec); 1360 tsp = ts; 1361 } else 1362 tsp = NULL; 1363 return (kern_utimensat(td, uap->fd, uap->path, UIO_USERSPACE, 1364 tsp, UIO_SYSSPACE, uap->flag)); 1365 } 1366 1367 int 1368 freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1369 { 1370 struct timeval32 tv32; 1371 struct timeval delta, olddelta, *deltap; 1372 int error; 1373 1374 if (uap->delta) { 1375 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1376 if (error) 1377 return (error); 1378 CP(tv32, delta, tv_sec); 1379 CP(tv32, delta, tv_usec); 1380 deltap = δ 1381 } else 1382 deltap = NULL; 1383 error = kern_adjtime(td, deltap, &olddelta); 1384 if (uap->olddelta && error == 0) { 1385 CP(olddelta, tv32, tv_sec); 1386 CP(olddelta, tv32, tv_usec); 1387 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1388 } 1389 return (error); 1390 } 1391 1392 #ifdef COMPAT_FREEBSD4 1393 int 1394 freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1395 { 1396 struct statfs32 s32; 1397 struct statfs *sp; 1398 int error; 1399 1400 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1401 error = kern_statfs(td, uap->path, UIO_USERSPACE, sp); 1402 if (error == 0) { 1403 copy_statfs(sp, &s32); 1404 error = copyout(&s32, uap->buf, sizeof(s32)); 1405 } 1406 free(sp, M_STATFS); 1407 return (error); 1408 } 1409 #endif 1410 1411 #ifdef COMPAT_FREEBSD4 1412 int 1413 freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1414 { 1415 struct statfs32 s32; 1416 struct statfs *sp; 1417 int error; 1418 1419 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1420 error = kern_fstatfs(td, uap->fd, sp); 1421 if (error == 0) { 1422 copy_statfs(sp, &s32); 1423 error = copyout(&s32, uap->buf, sizeof(s32)); 1424 } 1425 free(sp, M_STATFS); 1426 return (error); 1427 } 1428 #endif 1429 1430 #ifdef COMPAT_FREEBSD4 1431 int 1432 freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1433 { 1434 struct statfs32 s32; 1435 struct statfs *sp; 1436 fhandle_t fh; 1437 int error; 1438 1439 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1440 return (error); 1441 sp = malloc(sizeof(struct statfs), M_STATFS, M_WAITOK); 1442 error = kern_fhstatfs(td, fh, sp); 1443 if (error == 0) { 1444 copy_statfs(sp, &s32); 1445 error = copyout(&s32, uap->buf, sizeof(s32)); 1446 } 1447 free(sp, M_STATFS); 1448 return (error); 1449 } 1450 #endif 1451 1452 int 1453 freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1454 { 1455 struct pread_args ap; 1456 1457 ap.fd = uap->fd; 1458 ap.buf = uap->buf; 1459 ap.nbyte = uap->nbyte; 1460 ap.offset = PAIR32TO64(off_t,uap->offset); 1461 return (sys_pread(td, &ap)); 1462 } 1463 1464 int 1465 freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1466 { 1467 struct pwrite_args ap; 1468 1469 ap.fd = uap->fd; 1470 ap.buf = uap->buf; 1471 ap.nbyte = uap->nbyte; 1472 ap.offset = PAIR32TO64(off_t,uap->offset); 1473 return (sys_pwrite(td, &ap)); 1474 } 1475 1476 #ifdef COMPAT_43 1477 int 1478 ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap) 1479 { 1480 struct lseek_args nuap; 1481 1482 nuap.fd = uap->fd; 1483 nuap.offset = uap->offset; 1484 nuap.whence = uap->whence; 1485 return (sys_lseek(td, &nuap)); 1486 } 1487 #endif 1488 1489 int 1490 freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1491 { 1492 int error; 1493 struct lseek_args ap; 1494 off_t pos; 1495 1496 ap.fd = uap->fd; 1497 ap.offset = PAIR32TO64(off_t,uap->offset); 1498 ap.whence = uap->whence; 1499 error = sys_lseek(td, &ap); 1500 /* Expand the quad return into two parts for eax and edx */ 1501 pos = td->td_uretoff.tdu_off; 1502 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1503 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1504 return error; 1505 } 1506 1507 int 1508 freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1509 { 1510 struct truncate_args ap; 1511 1512 ap.path = uap->path; 1513 ap.length = PAIR32TO64(off_t,uap->length); 1514 return (sys_truncate(td, &ap)); 1515 } 1516 1517 int 1518 freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1519 { 1520 struct ftruncate_args ap; 1521 1522 ap.fd = uap->fd; 1523 ap.length = PAIR32TO64(off_t,uap->length); 1524 return (sys_ftruncate(td, &ap)); 1525 } 1526 1527 #ifdef COMPAT_43 1528 int 1529 ofreebsd32_getdirentries(struct thread *td, 1530 struct ofreebsd32_getdirentries_args *uap) 1531 { 1532 struct ogetdirentries_args ap; 1533 int error; 1534 long loff; 1535 int32_t loff_cut; 1536 1537 ap.fd = uap->fd; 1538 ap.buf = uap->buf; 1539 ap.count = uap->count; 1540 ap.basep = NULL; 1541 error = kern_ogetdirentries(td, &ap, &loff); 1542 if (error == 0) { 1543 loff_cut = loff; 1544 error = copyout(&loff_cut, uap->basep, sizeof(int32_t)); 1545 } 1546 return (error); 1547 } 1548 #endif 1549 1550 int 1551 freebsd32_getdirentries(struct thread *td, 1552 struct freebsd32_getdirentries_args *uap) 1553 { 1554 long base; 1555 int32_t base32; 1556 int error; 1557 1558 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base, 1559 NULL, UIO_USERSPACE); 1560 if (error) 1561 return (error); 1562 if (uap->basep != NULL) { 1563 base32 = base; 1564 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1565 } 1566 return (error); 1567 } 1568 1569 #ifdef COMPAT_FREEBSD6 1570 /* versions with the 'int pad' argument */ 1571 int 1572 freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1573 { 1574 struct pread_args ap; 1575 1576 ap.fd = uap->fd; 1577 ap.buf = uap->buf; 1578 ap.nbyte = uap->nbyte; 1579 ap.offset = PAIR32TO64(off_t,uap->offset); 1580 return (sys_pread(td, &ap)); 1581 } 1582 1583 int 1584 freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1585 { 1586 struct pwrite_args ap; 1587 1588 ap.fd = uap->fd; 1589 ap.buf = uap->buf; 1590 ap.nbyte = uap->nbyte; 1591 ap.offset = PAIR32TO64(off_t,uap->offset); 1592 return (sys_pwrite(td, &ap)); 1593 } 1594 1595 int 1596 freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1597 { 1598 int error; 1599 struct lseek_args ap; 1600 off_t pos; 1601 1602 ap.fd = uap->fd; 1603 ap.offset = PAIR32TO64(off_t,uap->offset); 1604 ap.whence = uap->whence; 1605 error = sys_lseek(td, &ap); 1606 /* Expand the quad return into two parts for eax and edx */ 1607 pos = *(off_t *)(td->td_retval); 1608 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1609 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1610 return error; 1611 } 1612 1613 int 1614 freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1615 { 1616 struct truncate_args ap; 1617 1618 ap.path = uap->path; 1619 ap.length = PAIR32TO64(off_t,uap->length); 1620 return (sys_truncate(td, &ap)); 1621 } 1622 1623 int 1624 freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1625 { 1626 struct ftruncate_args ap; 1627 1628 ap.fd = uap->fd; 1629 ap.length = PAIR32TO64(off_t,uap->length); 1630 return (sys_ftruncate(td, &ap)); 1631 } 1632 #endif /* COMPAT_FREEBSD6 */ 1633 1634 struct sf_hdtr32 { 1635 uint32_t headers; 1636 int hdr_cnt; 1637 uint32_t trailers; 1638 int trl_cnt; 1639 }; 1640 1641 static int 1642 freebsd32_do_sendfile(struct thread *td, 1643 struct freebsd32_sendfile_args *uap, int compat) 1644 { 1645 struct sf_hdtr32 hdtr32; 1646 struct sf_hdtr hdtr; 1647 struct uio *hdr_uio, *trl_uio; 1648 struct file *fp; 1649 cap_rights_t rights; 1650 struct iovec32 *iov32; 1651 off_t offset, sbytes; 1652 int error; 1653 1654 offset = PAIR32TO64(off_t, uap->offset); 1655 if (offset < 0) 1656 return (EINVAL); 1657 1658 hdr_uio = trl_uio = NULL; 1659 1660 if (uap->hdtr != NULL) { 1661 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1662 if (error) 1663 goto out; 1664 PTRIN_CP(hdtr32, hdtr, headers); 1665 CP(hdtr32, hdtr, hdr_cnt); 1666 PTRIN_CP(hdtr32, hdtr, trailers); 1667 CP(hdtr32, hdtr, trl_cnt); 1668 1669 if (hdtr.headers != NULL) { 1670 iov32 = PTRIN(hdtr32.headers); 1671 error = freebsd32_copyinuio(iov32, 1672 hdtr32.hdr_cnt, &hdr_uio); 1673 if (error) 1674 goto out; 1675 #ifdef COMPAT_FREEBSD4 1676 /* 1677 * In FreeBSD < 5.0 the nbytes to send also included 1678 * the header. If compat is specified subtract the 1679 * header size from nbytes. 1680 */ 1681 if (compat) { 1682 if (uap->nbytes > hdr_uio->uio_resid) 1683 uap->nbytes -= hdr_uio->uio_resid; 1684 else 1685 uap->nbytes = 0; 1686 } 1687 #endif 1688 } 1689 if (hdtr.trailers != NULL) { 1690 iov32 = PTRIN(hdtr32.trailers); 1691 error = freebsd32_copyinuio(iov32, 1692 hdtr32.trl_cnt, &trl_uio); 1693 if (error) 1694 goto out; 1695 } 1696 } 1697 1698 AUDIT_ARG_FD(uap->fd); 1699 1700 if ((error = fget_read(td, uap->fd, 1701 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0) 1702 goto out; 1703 1704 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset, 1705 uap->nbytes, &sbytes, uap->flags, td); 1706 fdrop(fp, td); 1707 1708 if (uap->sbytes != NULL) 1709 copyout(&sbytes, uap->sbytes, sizeof(off_t)); 1710 1711 out: 1712 if (hdr_uio) 1713 free(hdr_uio, M_IOV); 1714 if (trl_uio) 1715 free(trl_uio, M_IOV); 1716 return (error); 1717 } 1718 1719 #ifdef COMPAT_FREEBSD4 1720 int 1721 freebsd4_freebsd32_sendfile(struct thread *td, 1722 struct freebsd4_freebsd32_sendfile_args *uap) 1723 { 1724 return (freebsd32_do_sendfile(td, 1725 (struct freebsd32_sendfile_args *)uap, 1)); 1726 } 1727 #endif 1728 1729 int 1730 freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1731 { 1732 1733 return (freebsd32_do_sendfile(td, uap, 0)); 1734 } 1735 1736 static void 1737 copy_stat(struct stat *in, struct stat32 *out) 1738 { 1739 1740 CP(*in, *out, st_dev); 1741 CP(*in, *out, st_ino); 1742 CP(*in, *out, st_mode); 1743 CP(*in, *out, st_nlink); 1744 CP(*in, *out, st_uid); 1745 CP(*in, *out, st_gid); 1746 CP(*in, *out, st_rdev); 1747 TS_CP(*in, *out, st_atim); 1748 TS_CP(*in, *out, st_mtim); 1749 TS_CP(*in, *out, st_ctim); 1750 CP(*in, *out, st_size); 1751 CP(*in, *out, st_blocks); 1752 CP(*in, *out, st_blksize); 1753 CP(*in, *out, st_flags); 1754 CP(*in, *out, st_gen); 1755 TS_CP(*in, *out, st_birthtim); 1756 } 1757 1758 #ifdef COMPAT_43 1759 static void 1760 copy_ostat(struct stat *in, struct ostat32 *out) 1761 { 1762 1763 CP(*in, *out, st_dev); 1764 CP(*in, *out, st_ino); 1765 CP(*in, *out, st_mode); 1766 CP(*in, *out, st_nlink); 1767 CP(*in, *out, st_uid); 1768 CP(*in, *out, st_gid); 1769 CP(*in, *out, st_rdev); 1770 CP(*in, *out, st_size); 1771 TS_CP(*in, *out, st_atim); 1772 TS_CP(*in, *out, st_mtim); 1773 TS_CP(*in, *out, st_ctim); 1774 CP(*in, *out, st_blksize); 1775 CP(*in, *out, st_blocks); 1776 CP(*in, *out, st_flags); 1777 CP(*in, *out, st_gen); 1778 } 1779 #endif 1780 1781 int 1782 freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1783 { 1784 struct stat sb; 1785 struct stat32 sb32; 1786 int error; 1787 1788 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, 1789 &sb, NULL); 1790 if (error) 1791 return (error); 1792 copy_stat(&sb, &sb32); 1793 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1794 return (error); 1795 } 1796 1797 #ifdef COMPAT_43 1798 int 1799 ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap) 1800 { 1801 struct stat sb; 1802 struct ostat32 sb32; 1803 int error; 1804 1805 error = kern_statat(td, 0, AT_FDCWD, uap->path, UIO_USERSPACE, 1806 &sb, NULL); 1807 if (error) 1808 return (error); 1809 copy_ostat(&sb, &sb32); 1810 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1811 return (error); 1812 } 1813 #endif 1814 1815 int 1816 freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1817 { 1818 struct stat ub; 1819 struct stat32 ub32; 1820 int error; 1821 1822 error = kern_fstat(td, uap->fd, &ub); 1823 if (error) 1824 return (error); 1825 copy_stat(&ub, &ub32); 1826 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1827 return (error); 1828 } 1829 1830 #ifdef COMPAT_43 1831 int 1832 ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap) 1833 { 1834 struct stat ub; 1835 struct ostat32 ub32; 1836 int error; 1837 1838 error = kern_fstat(td, uap->fd, &ub); 1839 if (error) 1840 return (error); 1841 copy_ostat(&ub, &ub32); 1842 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1843 return (error); 1844 } 1845 #endif 1846 1847 int 1848 freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 1849 { 1850 struct stat ub; 1851 struct stat32 ub32; 1852 int error; 1853 1854 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, 1855 &ub, NULL); 1856 if (error) 1857 return (error); 1858 copy_stat(&ub, &ub32); 1859 error = copyout(&ub32, uap->buf, sizeof(ub32)); 1860 return (error); 1861 } 1862 1863 int 1864 freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1865 { 1866 struct stat sb; 1867 struct stat32 sb32; 1868 int error; 1869 1870 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path, 1871 UIO_USERSPACE, &sb, NULL); 1872 if (error) 1873 return (error); 1874 copy_stat(&sb, &sb32); 1875 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1876 return (error); 1877 } 1878 1879 #ifdef COMPAT_43 1880 int 1881 ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap) 1882 { 1883 struct stat sb; 1884 struct ostat32 sb32; 1885 int error; 1886 1887 error = kern_statat(td, AT_SYMLINK_NOFOLLOW, AT_FDCWD, uap->path, 1888 UIO_USERSPACE, &sb, NULL); 1889 if (error) 1890 return (error); 1891 copy_ostat(&sb, &sb32); 1892 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1893 return (error); 1894 } 1895 #endif 1896 1897 int 1898 freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1899 { 1900 int error, name[CTL_MAXNAME]; 1901 size_t j, oldlen; 1902 uint32_t tmp; 1903 1904 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1905 return (EINVAL); 1906 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1907 if (error) 1908 return (error); 1909 if (uap->oldlenp) { 1910 error = fueword32(uap->oldlenp, &tmp); 1911 oldlen = tmp; 1912 } else { 1913 oldlen = 0; 1914 } 1915 if (error != 0) 1916 return (EFAULT); 1917 error = userland_sysctl(td, name, uap->namelen, 1918 uap->old, &oldlen, 1, 1919 uap->new, uap->newlen, &j, SCTL_MASK32); 1920 if (error && error != ENOMEM) 1921 return (error); 1922 if (uap->oldlenp) 1923 suword32(uap->oldlenp, j); 1924 return (0); 1925 } 1926 1927 int 1928 freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 1929 { 1930 uint32_t version; 1931 int error; 1932 struct jail j; 1933 1934 error = copyin(uap->jail, &version, sizeof(uint32_t)); 1935 if (error) 1936 return (error); 1937 1938 switch (version) { 1939 case 0: 1940 { 1941 /* FreeBSD single IPv4 jails. */ 1942 struct jail32_v0 j32_v0; 1943 1944 bzero(&j, sizeof(struct jail)); 1945 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 1946 if (error) 1947 return (error); 1948 CP(j32_v0, j, version); 1949 PTRIN_CP(j32_v0, j, path); 1950 PTRIN_CP(j32_v0, j, hostname); 1951 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */ 1952 break; 1953 } 1954 1955 case 1: 1956 /* 1957 * Version 1 was used by multi-IPv4 jail implementations 1958 * that never made it into the official kernel. 1959 */ 1960 return (EINVAL); 1961 1962 case 2: /* JAIL_API_VERSION */ 1963 { 1964 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 1965 struct jail32 j32; 1966 1967 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 1968 if (error) 1969 return (error); 1970 CP(j32, j, version); 1971 PTRIN_CP(j32, j, path); 1972 PTRIN_CP(j32, j, hostname); 1973 PTRIN_CP(j32, j, jailname); 1974 CP(j32, j, ip4s); 1975 CP(j32, j, ip6s); 1976 PTRIN_CP(j32, j, ip4); 1977 PTRIN_CP(j32, j, ip6); 1978 break; 1979 } 1980 1981 default: 1982 /* Sci-Fi jails are not supported, sorry. */ 1983 return (EINVAL); 1984 } 1985 return (kern_jail(td, &j)); 1986 } 1987 1988 int 1989 freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 1990 { 1991 struct uio *auio; 1992 int error; 1993 1994 /* Check that we have an even number of iovecs. */ 1995 if (uap->iovcnt & 1) 1996 return (EINVAL); 1997 1998 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1999 if (error) 2000 return (error); 2001 error = kern_jail_set(td, auio, uap->flags); 2002 free(auio, M_IOV); 2003 return (error); 2004 } 2005 2006 int 2007 freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 2008 { 2009 struct iovec32 iov32; 2010 struct uio *auio; 2011 int error, i; 2012 2013 /* Check that we have an even number of iovecs. */ 2014 if (uap->iovcnt & 1) 2015 return (EINVAL); 2016 2017 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2018 if (error) 2019 return (error); 2020 error = kern_jail_get(td, auio, uap->flags); 2021 if (error == 0) 2022 for (i = 0; i < uap->iovcnt; i++) { 2023 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 2024 CP(auio->uio_iov[i], iov32, iov_len); 2025 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2026 if (error != 0) 2027 break; 2028 } 2029 free(auio, M_IOV); 2030 return (error); 2031 } 2032 2033 int 2034 freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2035 { 2036 struct sigaction32 s32; 2037 struct sigaction sa, osa, *sap; 2038 int error; 2039 2040 if (uap->act) { 2041 error = copyin(uap->act, &s32, sizeof(s32)); 2042 if (error) 2043 return (error); 2044 sa.sa_handler = PTRIN(s32.sa_u); 2045 CP(s32, sa, sa_flags); 2046 CP(s32, sa, sa_mask); 2047 sap = &sa; 2048 } else 2049 sap = NULL; 2050 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2051 if (error == 0 && uap->oact != NULL) { 2052 s32.sa_u = PTROUT(osa.sa_handler); 2053 CP(osa, s32, sa_flags); 2054 CP(osa, s32, sa_mask); 2055 error = copyout(&s32, uap->oact, sizeof(s32)); 2056 } 2057 return (error); 2058 } 2059 2060 #ifdef COMPAT_FREEBSD4 2061 int 2062 freebsd4_freebsd32_sigaction(struct thread *td, 2063 struct freebsd4_freebsd32_sigaction_args *uap) 2064 { 2065 struct sigaction32 s32; 2066 struct sigaction sa, osa, *sap; 2067 int error; 2068 2069 if (uap->act) { 2070 error = copyin(uap->act, &s32, sizeof(s32)); 2071 if (error) 2072 return (error); 2073 sa.sa_handler = PTRIN(s32.sa_u); 2074 CP(s32, sa, sa_flags); 2075 CP(s32, sa, sa_mask); 2076 sap = &sa; 2077 } else 2078 sap = NULL; 2079 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2080 if (error == 0 && uap->oact != NULL) { 2081 s32.sa_u = PTROUT(osa.sa_handler); 2082 CP(osa, s32, sa_flags); 2083 CP(osa, s32, sa_mask); 2084 error = copyout(&s32, uap->oact, sizeof(s32)); 2085 } 2086 return (error); 2087 } 2088 #endif 2089 2090 #ifdef COMPAT_43 2091 struct osigaction32 { 2092 u_int32_t sa_u; 2093 osigset_t sa_mask; 2094 int sa_flags; 2095 }; 2096 2097 #define ONSIG 32 2098 2099 int 2100 ofreebsd32_sigaction(struct thread *td, 2101 struct ofreebsd32_sigaction_args *uap) 2102 { 2103 struct osigaction32 s32; 2104 struct sigaction sa, osa, *sap; 2105 int error; 2106 2107 if (uap->signum <= 0 || uap->signum >= ONSIG) 2108 return (EINVAL); 2109 2110 if (uap->nsa) { 2111 error = copyin(uap->nsa, &s32, sizeof(s32)); 2112 if (error) 2113 return (error); 2114 sa.sa_handler = PTRIN(s32.sa_u); 2115 CP(s32, sa, sa_flags); 2116 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2117 sap = &sa; 2118 } else 2119 sap = NULL; 2120 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2121 if (error == 0 && uap->osa != NULL) { 2122 s32.sa_u = PTROUT(osa.sa_handler); 2123 CP(osa, s32, sa_flags); 2124 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2125 error = copyout(&s32, uap->osa, sizeof(s32)); 2126 } 2127 return (error); 2128 } 2129 2130 int 2131 ofreebsd32_sigprocmask(struct thread *td, 2132 struct ofreebsd32_sigprocmask_args *uap) 2133 { 2134 sigset_t set, oset; 2135 int error; 2136 2137 OSIG2SIG(uap->mask, set); 2138 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2139 SIG2OSIG(oset, td->td_retval[0]); 2140 return (error); 2141 } 2142 2143 int 2144 ofreebsd32_sigpending(struct thread *td, 2145 struct ofreebsd32_sigpending_args *uap) 2146 { 2147 struct proc *p = td->td_proc; 2148 sigset_t siglist; 2149 2150 PROC_LOCK(p); 2151 siglist = p->p_siglist; 2152 SIGSETOR(siglist, td->td_siglist); 2153 PROC_UNLOCK(p); 2154 SIG2OSIG(siglist, td->td_retval[0]); 2155 return (0); 2156 } 2157 2158 struct sigvec32 { 2159 u_int32_t sv_handler; 2160 int sv_mask; 2161 int sv_flags; 2162 }; 2163 2164 int 2165 ofreebsd32_sigvec(struct thread *td, 2166 struct ofreebsd32_sigvec_args *uap) 2167 { 2168 struct sigvec32 vec; 2169 struct sigaction sa, osa, *sap; 2170 int error; 2171 2172 if (uap->signum <= 0 || uap->signum >= ONSIG) 2173 return (EINVAL); 2174 2175 if (uap->nsv) { 2176 error = copyin(uap->nsv, &vec, sizeof(vec)); 2177 if (error) 2178 return (error); 2179 sa.sa_handler = PTRIN(vec.sv_handler); 2180 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2181 sa.sa_flags = vec.sv_flags; 2182 sa.sa_flags ^= SA_RESTART; 2183 sap = &sa; 2184 } else 2185 sap = NULL; 2186 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2187 if (error == 0 && uap->osv != NULL) { 2188 vec.sv_handler = PTROUT(osa.sa_handler); 2189 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2190 vec.sv_flags = osa.sa_flags; 2191 vec.sv_flags &= ~SA_NOCLDWAIT; 2192 vec.sv_flags ^= SA_RESTART; 2193 error = copyout(&vec, uap->osv, sizeof(vec)); 2194 } 2195 return (error); 2196 } 2197 2198 int 2199 ofreebsd32_sigblock(struct thread *td, 2200 struct ofreebsd32_sigblock_args *uap) 2201 { 2202 sigset_t set, oset; 2203 2204 OSIG2SIG(uap->mask, set); 2205 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2206 SIG2OSIG(oset, td->td_retval[0]); 2207 return (0); 2208 } 2209 2210 int 2211 ofreebsd32_sigsetmask(struct thread *td, 2212 struct ofreebsd32_sigsetmask_args *uap) 2213 { 2214 sigset_t set, oset; 2215 2216 OSIG2SIG(uap->mask, set); 2217 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2218 SIG2OSIG(oset, td->td_retval[0]); 2219 return (0); 2220 } 2221 2222 int 2223 ofreebsd32_sigsuspend(struct thread *td, 2224 struct ofreebsd32_sigsuspend_args *uap) 2225 { 2226 sigset_t mask; 2227 2228 OSIG2SIG(uap->mask, mask); 2229 return (kern_sigsuspend(td, mask)); 2230 } 2231 2232 struct sigstack32 { 2233 u_int32_t ss_sp; 2234 int ss_onstack; 2235 }; 2236 2237 int 2238 ofreebsd32_sigstack(struct thread *td, 2239 struct ofreebsd32_sigstack_args *uap) 2240 { 2241 struct sigstack32 s32; 2242 struct sigstack nss, oss; 2243 int error = 0, unss; 2244 2245 if (uap->nss != NULL) { 2246 error = copyin(uap->nss, &s32, sizeof(s32)); 2247 if (error) 2248 return (error); 2249 nss.ss_sp = PTRIN(s32.ss_sp); 2250 CP(s32, nss, ss_onstack); 2251 unss = 1; 2252 } else { 2253 unss = 0; 2254 } 2255 oss.ss_sp = td->td_sigstk.ss_sp; 2256 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2257 if (unss) { 2258 td->td_sigstk.ss_sp = nss.ss_sp; 2259 td->td_sigstk.ss_size = 0; 2260 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2261 td->td_pflags |= TDP_ALTSTACK; 2262 } 2263 if (uap->oss != NULL) { 2264 s32.ss_sp = PTROUT(oss.ss_sp); 2265 CP(oss, s32, ss_onstack); 2266 error = copyout(&s32, uap->oss, sizeof(s32)); 2267 } 2268 return (error); 2269 } 2270 #endif 2271 2272 int 2273 freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2274 { 2275 struct timespec32 rmt32, rqt32; 2276 struct timespec rmt, rqt; 2277 int error; 2278 2279 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2280 if (error) 2281 return (error); 2282 2283 CP(rqt32, rqt, tv_sec); 2284 CP(rqt32, rqt, tv_nsec); 2285 2286 if (uap->rmtp && 2287 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2288 return (EFAULT); 2289 error = kern_nanosleep(td, &rqt, &rmt); 2290 if (error && uap->rmtp) { 2291 int error2; 2292 2293 CP(rmt, rmt32, tv_sec); 2294 CP(rmt, rmt32, tv_nsec); 2295 2296 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2297 if (error2) 2298 error = error2; 2299 } 2300 return (error); 2301 } 2302 2303 int 2304 freebsd32_clock_gettime(struct thread *td, 2305 struct freebsd32_clock_gettime_args *uap) 2306 { 2307 struct timespec ats; 2308 struct timespec32 ats32; 2309 int error; 2310 2311 error = kern_clock_gettime(td, uap->clock_id, &ats); 2312 if (error == 0) { 2313 CP(ats, ats32, tv_sec); 2314 CP(ats, ats32, tv_nsec); 2315 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2316 } 2317 return (error); 2318 } 2319 2320 int 2321 freebsd32_clock_settime(struct thread *td, 2322 struct freebsd32_clock_settime_args *uap) 2323 { 2324 struct timespec ats; 2325 struct timespec32 ats32; 2326 int error; 2327 2328 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2329 if (error) 2330 return (error); 2331 CP(ats32, ats, tv_sec); 2332 CP(ats32, ats, tv_nsec); 2333 2334 return (kern_clock_settime(td, uap->clock_id, &ats)); 2335 } 2336 2337 int 2338 freebsd32_clock_getres(struct thread *td, 2339 struct freebsd32_clock_getres_args *uap) 2340 { 2341 struct timespec ts; 2342 struct timespec32 ts32; 2343 int error; 2344 2345 if (uap->tp == NULL) 2346 return (0); 2347 error = kern_clock_getres(td, uap->clock_id, &ts); 2348 if (error == 0) { 2349 CP(ts, ts32, tv_sec); 2350 CP(ts, ts32, tv_nsec); 2351 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2352 } 2353 return (error); 2354 } 2355 2356 int freebsd32_ktimer_create(struct thread *td, 2357 struct freebsd32_ktimer_create_args *uap) 2358 { 2359 struct sigevent32 ev32; 2360 struct sigevent ev, *evp; 2361 int error, id; 2362 2363 if (uap->evp == NULL) { 2364 evp = NULL; 2365 } else { 2366 evp = &ev; 2367 error = copyin(uap->evp, &ev32, sizeof(ev32)); 2368 if (error != 0) 2369 return (error); 2370 error = convert_sigevent32(&ev32, &ev); 2371 if (error != 0) 2372 return (error); 2373 } 2374 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1); 2375 if (error == 0) { 2376 error = copyout(&id, uap->timerid, sizeof(int)); 2377 if (error != 0) 2378 kern_ktimer_delete(td, id); 2379 } 2380 return (error); 2381 } 2382 2383 int 2384 freebsd32_ktimer_settime(struct thread *td, 2385 struct freebsd32_ktimer_settime_args *uap) 2386 { 2387 struct itimerspec32 val32, oval32; 2388 struct itimerspec val, oval, *ovalp; 2389 int error; 2390 2391 error = copyin(uap->value, &val32, sizeof(val32)); 2392 if (error != 0) 2393 return (error); 2394 ITS_CP(val32, val); 2395 ovalp = uap->ovalue != NULL ? &oval : NULL; 2396 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp); 2397 if (error == 0 && uap->ovalue != NULL) { 2398 ITS_CP(oval, oval32); 2399 error = copyout(&oval32, uap->ovalue, sizeof(oval32)); 2400 } 2401 return (error); 2402 } 2403 2404 int 2405 freebsd32_ktimer_gettime(struct thread *td, 2406 struct freebsd32_ktimer_gettime_args *uap) 2407 { 2408 struct itimerspec32 val32; 2409 struct itimerspec val; 2410 int error; 2411 2412 error = kern_ktimer_gettime(td, uap->timerid, &val); 2413 if (error == 0) { 2414 ITS_CP(val, val32); 2415 error = copyout(&val32, uap->value, sizeof(val32)); 2416 } 2417 return (error); 2418 } 2419 2420 int 2421 freebsd32_clock_getcpuclockid2(struct thread *td, 2422 struct freebsd32_clock_getcpuclockid2_args *uap) 2423 { 2424 clockid_t clk_id; 2425 int error; 2426 2427 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id), 2428 uap->which, &clk_id); 2429 if (error == 0) 2430 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t)); 2431 return (error); 2432 } 2433 2434 int 2435 freebsd32_thr_new(struct thread *td, 2436 struct freebsd32_thr_new_args *uap) 2437 { 2438 struct thr_param32 param32; 2439 struct thr_param param; 2440 int error; 2441 2442 if (uap->param_size < 0 || 2443 uap->param_size > sizeof(struct thr_param32)) 2444 return (EINVAL); 2445 bzero(¶m, sizeof(struct thr_param)); 2446 bzero(¶m32, sizeof(struct thr_param32)); 2447 error = copyin(uap->param, ¶m32, uap->param_size); 2448 if (error != 0) 2449 return (error); 2450 param.start_func = PTRIN(param32.start_func); 2451 param.arg = PTRIN(param32.arg); 2452 param.stack_base = PTRIN(param32.stack_base); 2453 param.stack_size = param32.stack_size; 2454 param.tls_base = PTRIN(param32.tls_base); 2455 param.tls_size = param32.tls_size; 2456 param.child_tid = PTRIN(param32.child_tid); 2457 param.parent_tid = PTRIN(param32.parent_tid); 2458 param.flags = param32.flags; 2459 param.rtp = PTRIN(param32.rtp); 2460 param.spare[0] = PTRIN(param32.spare[0]); 2461 param.spare[1] = PTRIN(param32.spare[1]); 2462 param.spare[2] = PTRIN(param32.spare[2]); 2463 2464 return (kern_thr_new(td, ¶m)); 2465 } 2466 2467 int 2468 freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2469 { 2470 struct timespec32 ts32; 2471 struct timespec ts, *tsp; 2472 int error; 2473 2474 error = 0; 2475 tsp = NULL; 2476 if (uap->timeout != NULL) { 2477 error = copyin((const void *)uap->timeout, (void *)&ts32, 2478 sizeof(struct timespec32)); 2479 if (error != 0) 2480 return (error); 2481 ts.tv_sec = ts32.tv_sec; 2482 ts.tv_nsec = ts32.tv_nsec; 2483 tsp = &ts; 2484 } 2485 return (kern_thr_suspend(td, tsp)); 2486 } 2487 2488 void 2489 siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2490 { 2491 bzero(dst, sizeof(*dst)); 2492 dst->si_signo = src->si_signo; 2493 dst->si_errno = src->si_errno; 2494 dst->si_code = src->si_code; 2495 dst->si_pid = src->si_pid; 2496 dst->si_uid = src->si_uid; 2497 dst->si_status = src->si_status; 2498 dst->si_addr = (uintptr_t)src->si_addr; 2499 dst->si_value.sival_int = src->si_value.sival_int; 2500 dst->si_timerid = src->si_timerid; 2501 dst->si_overrun = src->si_overrun; 2502 } 2503 2504 int 2505 freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2506 { 2507 struct timespec32 ts32; 2508 struct timespec ts; 2509 struct timespec *timeout; 2510 sigset_t set; 2511 ksiginfo_t ksi; 2512 struct siginfo32 si32; 2513 int error; 2514 2515 if (uap->timeout) { 2516 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2517 if (error) 2518 return (error); 2519 ts.tv_sec = ts32.tv_sec; 2520 ts.tv_nsec = ts32.tv_nsec; 2521 timeout = &ts; 2522 } else 2523 timeout = NULL; 2524 2525 error = copyin(uap->set, &set, sizeof(set)); 2526 if (error) 2527 return (error); 2528 2529 error = kern_sigtimedwait(td, set, &ksi, timeout); 2530 if (error) 2531 return (error); 2532 2533 if (uap->info) { 2534 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2535 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2536 } 2537 2538 if (error == 0) 2539 td->td_retval[0] = ksi.ksi_signo; 2540 return (error); 2541 } 2542 2543 /* 2544 * MPSAFE 2545 */ 2546 int 2547 freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2548 { 2549 ksiginfo_t ksi; 2550 struct siginfo32 si32; 2551 sigset_t set; 2552 int error; 2553 2554 error = copyin(uap->set, &set, sizeof(set)); 2555 if (error) 2556 return (error); 2557 2558 error = kern_sigtimedwait(td, set, &ksi, NULL); 2559 if (error) 2560 return (error); 2561 2562 if (uap->info) { 2563 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2564 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2565 } 2566 if (error == 0) 2567 td->td_retval[0] = ksi.ksi_signo; 2568 return (error); 2569 } 2570 2571 int 2572 freebsd32_cpuset_setid(struct thread *td, 2573 struct freebsd32_cpuset_setid_args *uap) 2574 { 2575 struct cpuset_setid_args ap; 2576 2577 ap.which = uap->which; 2578 ap.id = PAIR32TO64(id_t,uap->id); 2579 ap.setid = uap->setid; 2580 2581 return (sys_cpuset_setid(td, &ap)); 2582 } 2583 2584 int 2585 freebsd32_cpuset_getid(struct thread *td, 2586 struct freebsd32_cpuset_getid_args *uap) 2587 { 2588 struct cpuset_getid_args ap; 2589 2590 ap.level = uap->level; 2591 ap.which = uap->which; 2592 ap.id = PAIR32TO64(id_t,uap->id); 2593 ap.setid = uap->setid; 2594 2595 return (sys_cpuset_getid(td, &ap)); 2596 } 2597 2598 int 2599 freebsd32_cpuset_getaffinity(struct thread *td, 2600 struct freebsd32_cpuset_getaffinity_args *uap) 2601 { 2602 struct cpuset_getaffinity_args ap; 2603 2604 ap.level = uap->level; 2605 ap.which = uap->which; 2606 ap.id = PAIR32TO64(id_t,uap->id); 2607 ap.cpusetsize = uap->cpusetsize; 2608 ap.mask = uap->mask; 2609 2610 return (sys_cpuset_getaffinity(td, &ap)); 2611 } 2612 2613 int 2614 freebsd32_cpuset_setaffinity(struct thread *td, 2615 struct freebsd32_cpuset_setaffinity_args *uap) 2616 { 2617 struct cpuset_setaffinity_args ap; 2618 2619 ap.level = uap->level; 2620 ap.which = uap->which; 2621 ap.id = PAIR32TO64(id_t,uap->id); 2622 ap.cpusetsize = uap->cpusetsize; 2623 ap.mask = uap->mask; 2624 2625 return (sys_cpuset_setaffinity(td, &ap)); 2626 } 2627 2628 int 2629 freebsd32_nmount(struct thread *td, 2630 struct freebsd32_nmount_args /* { 2631 struct iovec *iovp; 2632 unsigned int iovcnt; 2633 int flags; 2634 } */ *uap) 2635 { 2636 struct uio *auio; 2637 uint64_t flags; 2638 int error; 2639 2640 /* 2641 * Mount flags are now 64-bits. On 32-bit archtectures only 2642 * 32-bits are passed in, but from here on everything handles 2643 * 64-bit flags correctly. 2644 */ 2645 flags = uap->flags; 2646 2647 AUDIT_ARG_FFLAGS(flags); 2648 2649 /* 2650 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2651 * userspace to set this flag, but we must filter it out if we want 2652 * MNT_UPDATE on the root file system to work. 2653 * MNT_ROOTFS should only be set by the kernel when mounting its 2654 * root file system. 2655 */ 2656 flags &= ~MNT_ROOTFS; 2657 2658 /* 2659 * check that we have an even number of iovec's 2660 * and that we have at least two options. 2661 */ 2662 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2663 return (EINVAL); 2664 2665 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2666 if (error) 2667 return (error); 2668 error = vfs_donmount(td, flags, auio); 2669 2670 free(auio, M_IOV); 2671 return error; 2672 } 2673 2674 #if 0 2675 int 2676 freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2677 { 2678 struct yyy32 *p32, s32; 2679 struct yyy *p = NULL, s; 2680 struct xxx_arg ap; 2681 int error; 2682 2683 if (uap->zzz) { 2684 error = copyin(uap->zzz, &s32, sizeof(s32)); 2685 if (error) 2686 return (error); 2687 /* translate in */ 2688 p = &s; 2689 } 2690 error = kern_xxx(td, p); 2691 if (error) 2692 return (error); 2693 if (uap->zzz) { 2694 /* translate out */ 2695 error = copyout(&s32, p32, sizeof(s32)); 2696 } 2697 return (error); 2698 } 2699 #endif 2700 2701 int 2702 syscall32_register(int *offset, struct sysent *new_sysent, 2703 struct sysent *old_sysent, int flags) 2704 { 2705 2706 if ((flags & ~SY_THR_STATIC) != 0) 2707 return (EINVAL); 2708 2709 if (*offset == NO_SYSCALL) { 2710 int i; 2711 2712 for (i = 1; i < SYS_MAXSYSCALL; ++i) 2713 if (freebsd32_sysent[i].sy_call == 2714 (sy_call_t *)lkmnosys) 2715 break; 2716 if (i == SYS_MAXSYSCALL) 2717 return (ENFILE); 2718 *offset = i; 2719 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2720 return (EINVAL); 2721 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2722 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2723 return (EEXIST); 2724 2725 *old_sysent = freebsd32_sysent[*offset]; 2726 freebsd32_sysent[*offset] = *new_sysent; 2727 atomic_store_rel_32(&freebsd32_sysent[*offset].sy_thrcnt, flags); 2728 return (0); 2729 } 2730 2731 int 2732 syscall32_deregister(int *offset, struct sysent *old_sysent) 2733 { 2734 2735 if (*offset == 0) 2736 return (0); 2737 2738 freebsd32_sysent[*offset] = *old_sysent; 2739 return (0); 2740 } 2741 2742 int 2743 syscall32_module_handler(struct module *mod, int what, void *arg) 2744 { 2745 struct syscall_module_data *data = (struct syscall_module_data*)arg; 2746 modspecific_t ms; 2747 int error; 2748 2749 switch (what) { 2750 case MOD_LOAD: 2751 error = syscall32_register(data->offset, data->new_sysent, 2752 &data->old_sysent, SY_THR_STATIC_KLD); 2753 if (error) { 2754 /* Leave a mark so we know to safely unload below. */ 2755 data->offset = NULL; 2756 return error; 2757 } 2758 ms.intval = *data->offset; 2759 MOD_XLOCK; 2760 module_setspecific(mod, &ms); 2761 MOD_XUNLOCK; 2762 if (data->chainevh) 2763 error = data->chainevh(mod, what, data->chainarg); 2764 return (error); 2765 case MOD_UNLOAD: 2766 /* 2767 * MOD_LOAD failed, so just return without calling the 2768 * chained handler since we didn't pass along the MOD_LOAD 2769 * event. 2770 */ 2771 if (data->offset == NULL) 2772 return (0); 2773 if (data->chainevh) { 2774 error = data->chainevh(mod, what, data->chainarg); 2775 if (error) 2776 return (error); 2777 } 2778 error = syscall32_deregister(data->offset, &data->old_sysent); 2779 return (error); 2780 default: 2781 error = EOPNOTSUPP; 2782 if (data->chainevh) 2783 error = data->chainevh(mod, what, data->chainarg); 2784 return (error); 2785 } 2786 } 2787 2788 int 2789 syscall32_helper_register(struct syscall_helper_data *sd, int flags) 2790 { 2791 struct syscall_helper_data *sd1; 2792 int error; 2793 2794 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) { 2795 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent, 2796 &sd1->old_sysent, flags); 2797 if (error != 0) { 2798 syscall32_helper_unregister(sd); 2799 return (error); 2800 } 2801 sd1->registered = 1; 2802 } 2803 return (0); 2804 } 2805 2806 int 2807 syscall32_helper_unregister(struct syscall_helper_data *sd) 2808 { 2809 struct syscall_helper_data *sd1; 2810 2811 for (sd1 = sd; sd1->registered != 0; sd1++) { 2812 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent); 2813 sd1->registered = 0; 2814 } 2815 return (0); 2816 } 2817 2818 register_t * 2819 freebsd32_copyout_strings(struct image_params *imgp) 2820 { 2821 int argc, envc, i; 2822 u_int32_t *vectp; 2823 char *stringp; 2824 uintptr_t destp; 2825 u_int32_t *stack_base; 2826 struct freebsd32_ps_strings *arginfo; 2827 char canary[sizeof(long) * 8]; 2828 int32_t pagesizes32[MAXPAGESIZES]; 2829 size_t execpath_len; 2830 int szsigcode; 2831 2832 /* 2833 * Calculate string base and vector table pointers. 2834 * Also deal with signal trampoline code for this exec type. 2835 */ 2836 if (imgp->execpath != NULL && imgp->auxargs != NULL) 2837 execpath_len = strlen(imgp->execpath) + 1; 2838 else 2839 execpath_len = 0; 2840 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 2841 sv_psstrings; 2842 if (imgp->proc->p_sysent->sv_sigcode_base == 0) 2843 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 2844 else 2845 szsigcode = 0; 2846 destp = (uintptr_t)arginfo; 2847 2848 /* 2849 * install sigcode 2850 */ 2851 if (szsigcode != 0) { 2852 destp -= szsigcode; 2853 destp = rounddown2(destp, sizeof(uint32_t)); 2854 copyout(imgp->proc->p_sysent->sv_sigcode, (void *)destp, 2855 szsigcode); 2856 } 2857 2858 /* 2859 * Copy the image path for the rtld. 2860 */ 2861 if (execpath_len != 0) { 2862 destp -= execpath_len; 2863 imgp->execpathp = destp; 2864 copyout(imgp->execpath, (void *)destp, execpath_len); 2865 } 2866 2867 /* 2868 * Prepare the canary for SSP. 2869 */ 2870 arc4rand(canary, sizeof(canary), 0); 2871 destp -= sizeof(canary); 2872 imgp->canary = destp; 2873 copyout(canary, (void *)destp, sizeof(canary)); 2874 imgp->canarylen = sizeof(canary); 2875 2876 /* 2877 * Prepare the pagesizes array. 2878 */ 2879 for (i = 0; i < MAXPAGESIZES; i++) 2880 pagesizes32[i] = (uint32_t)pagesizes[i]; 2881 destp -= sizeof(pagesizes32); 2882 destp = rounddown2(destp, sizeof(uint32_t)); 2883 imgp->pagesizes = destp; 2884 copyout(pagesizes32, (void *)destp, sizeof(pagesizes32)); 2885 imgp->pagesizeslen = sizeof(pagesizes32); 2886 2887 destp -= ARG_MAX - imgp->args->stringspace; 2888 destp = rounddown2(destp, sizeof(uint32_t)); 2889 2890 /* 2891 * If we have a valid auxargs ptr, prepare some room 2892 * on the stack. 2893 */ 2894 if (imgp->auxargs) { 2895 /* 2896 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 2897 * lower compatibility. 2898 */ 2899 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 2900 : (AT_COUNT * 2); 2901 /* 2902 * The '+ 2' is for the null pointers at the end of each of 2903 * the arg and env vector sets,and imgp->auxarg_size is room 2904 * for argument of Runtime loader. 2905 */ 2906 vectp = (u_int32_t *) (destp - (imgp->args->argc + 2907 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 2908 sizeof(u_int32_t)); 2909 } else { 2910 /* 2911 * The '+ 2' is for the null pointers at the end of each of 2912 * the arg and env vector sets 2913 */ 2914 vectp = (u_int32_t *)(destp - (imgp->args->argc + 2915 imgp->args->envc + 2) * sizeof(u_int32_t)); 2916 } 2917 2918 /* 2919 * vectp also becomes our initial stack base 2920 */ 2921 stack_base = vectp; 2922 2923 stringp = imgp->args->begin_argv; 2924 argc = imgp->args->argc; 2925 envc = imgp->args->envc; 2926 /* 2927 * Copy out strings - arguments and environment. 2928 */ 2929 copyout(stringp, (void *)destp, ARG_MAX - imgp->args->stringspace); 2930 2931 /* 2932 * Fill in "ps_strings" struct for ps, w, etc. 2933 */ 2934 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 2935 suword32(&arginfo->ps_nargvstr, argc); 2936 2937 /* 2938 * Fill in argument portion of vector table. 2939 */ 2940 for (; argc > 0; --argc) { 2941 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2942 while (*stringp++ != 0) 2943 destp++; 2944 destp++; 2945 } 2946 2947 /* a null vector table pointer separates the argp's from the envp's */ 2948 suword32(vectp++, 0); 2949 2950 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 2951 suword32(&arginfo->ps_nenvstr, envc); 2952 2953 /* 2954 * Fill in environment portion of vector table. 2955 */ 2956 for (; envc > 0; --envc) { 2957 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2958 while (*stringp++ != 0) 2959 destp++; 2960 destp++; 2961 } 2962 2963 /* end of vector table is a null pointer */ 2964 suword32(vectp, 0); 2965 2966 return ((register_t *)stack_base); 2967 } 2968 2969 int 2970 freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap) 2971 { 2972 struct kld_file_stat stat; 2973 struct kld32_file_stat stat32; 2974 int error, version; 2975 2976 if ((error = copyin(&uap->stat->version, &version, sizeof(version))) 2977 != 0) 2978 return (error); 2979 if (version != sizeof(struct kld32_file_stat_1) && 2980 version != sizeof(struct kld32_file_stat)) 2981 return (EINVAL); 2982 2983 error = kern_kldstat(td, uap->fileid, &stat); 2984 if (error != 0) 2985 return (error); 2986 2987 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name)); 2988 CP(stat, stat32, refs); 2989 CP(stat, stat32, id); 2990 PTROUT_CP(stat, stat32, address); 2991 CP(stat, stat32, size); 2992 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname)); 2993 return (copyout(&stat32, uap->stat, version)); 2994 } 2995 2996 int 2997 freebsd32_posix_fallocate(struct thread *td, 2998 struct freebsd32_posix_fallocate_args *uap) 2999 { 3000 int error; 3001 3002 error = kern_posix_fallocate(td, uap->fd, 3003 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len)); 3004 return (kern_posix_error(td, error)); 3005 } 3006 3007 int 3008 freebsd32_posix_fadvise(struct thread *td, 3009 struct freebsd32_posix_fadvise_args *uap) 3010 { 3011 int error; 3012 3013 error = kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset), 3014 PAIR32TO64(off_t, uap->len), uap->advice); 3015 return (kern_posix_error(td, error)); 3016 } 3017 3018 int 3019 convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig) 3020 { 3021 3022 CP(*sig32, *sig, sigev_notify); 3023 switch (sig->sigev_notify) { 3024 case SIGEV_NONE: 3025 break; 3026 case SIGEV_THREAD_ID: 3027 CP(*sig32, *sig, sigev_notify_thread_id); 3028 /* FALLTHROUGH */ 3029 case SIGEV_SIGNAL: 3030 CP(*sig32, *sig, sigev_signo); 3031 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3032 break; 3033 case SIGEV_KEVENT: 3034 CP(*sig32, *sig, sigev_notify_kqueue); 3035 CP(*sig32, *sig, sigev_notify_kevent_flags); 3036 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3037 break; 3038 default: 3039 return (EINVAL); 3040 } 3041 return (0); 3042 } 3043 3044 int 3045 freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap) 3046 { 3047 void *data; 3048 union { 3049 struct procctl_reaper_status rs; 3050 struct procctl_reaper_pids rp; 3051 struct procctl_reaper_kill rk; 3052 } x; 3053 union { 3054 struct procctl_reaper_pids32 rp; 3055 } x32; 3056 int error, error1, flags; 3057 3058 switch (uap->com) { 3059 case PROC_SPROTECT: 3060 case PROC_TRACE_CTL: 3061 case PROC_TRAPCAP_CTL: 3062 error = copyin(PTRIN(uap->data), &flags, sizeof(flags)); 3063 if (error != 0) 3064 return (error); 3065 data = &flags; 3066 break; 3067 case PROC_REAP_ACQUIRE: 3068 case PROC_REAP_RELEASE: 3069 if (uap->data != NULL) 3070 return (EINVAL); 3071 data = NULL; 3072 break; 3073 case PROC_REAP_STATUS: 3074 data = &x.rs; 3075 break; 3076 case PROC_REAP_GETPIDS: 3077 error = copyin(uap->data, &x32.rp, sizeof(x32.rp)); 3078 if (error != 0) 3079 return (error); 3080 CP(x32.rp, x.rp, rp_count); 3081 PTRIN_CP(x32.rp, x.rp, rp_pids); 3082 data = &x.rp; 3083 break; 3084 case PROC_REAP_KILL: 3085 error = copyin(uap->data, &x.rk, sizeof(x.rk)); 3086 if (error != 0) 3087 return (error); 3088 data = &x.rk; 3089 break; 3090 case PROC_TRACE_STATUS: 3091 case PROC_TRAPCAP_STATUS: 3092 data = &flags; 3093 break; 3094 default: 3095 return (EINVAL); 3096 } 3097 error = kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id), 3098 uap->com, data); 3099 switch (uap->com) { 3100 case PROC_REAP_STATUS: 3101 if (error == 0) 3102 error = copyout(&x.rs, uap->data, sizeof(x.rs)); 3103 break; 3104 case PROC_REAP_KILL: 3105 error1 = copyout(&x.rk, uap->data, sizeof(x.rk)); 3106 if (error == 0) 3107 error = error1; 3108 break; 3109 case PROC_TRACE_STATUS: 3110 case PROC_TRAPCAP_STATUS: 3111 if (error == 0) 3112 error = copyout(&flags, uap->data, sizeof(flags)); 3113 break; 3114 } 3115 return (error); 3116 } 3117 3118 int 3119 freebsd32_fcntl(struct thread *td, struct freebsd32_fcntl_args *uap) 3120 { 3121 long tmp; 3122 3123 switch (uap->cmd) { 3124 /* 3125 * Do unsigned conversion for arg when operation 3126 * interprets it as flags or pointer. 3127 */ 3128 case F_SETLK_REMOTE: 3129 case F_SETLKW: 3130 case F_SETLK: 3131 case F_GETLK: 3132 case F_SETFD: 3133 case F_SETFL: 3134 case F_OGETLK: 3135 case F_OSETLK: 3136 case F_OSETLKW: 3137 tmp = (unsigned int)(uap->arg); 3138 break; 3139 default: 3140 tmp = uap->arg; 3141 break; 3142 } 3143 return (kern_fcntl_freebsd(td, uap->fd, uap->cmd, tmp)); 3144 } 3145 3146 int 3147 freebsd32_ppoll(struct thread *td, struct freebsd32_ppoll_args *uap) 3148 { 3149 struct timespec32 ts32; 3150 struct timespec ts, *tsp; 3151 sigset_t set, *ssp; 3152 int error; 3153 3154 if (uap->ts != NULL) { 3155 error = copyin(uap->ts, &ts32, sizeof(ts32)); 3156 if (error != 0) 3157 return (error); 3158 CP(ts32, ts, tv_sec); 3159 CP(ts32, ts, tv_nsec); 3160 tsp = &ts; 3161 } else 3162 tsp = NULL; 3163 if (uap->set != NULL) { 3164 error = copyin(uap->set, &set, sizeof(set)); 3165 if (error != 0) 3166 return (error); 3167 ssp = &set; 3168 } else 3169 ssp = NULL; 3170 3171 return (kern_poll(td, uap->fds, uap->nfds, tsp, ssp)); 3172 } 3173