freebsd32_misc.c revision 311959
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: stable/10/sys/compat/freebsd32/freebsd32_misc.c 311959 2017-01-12 01:20:51Z kib $"); 29 30#include "opt_compat.h" 31#include "opt_inet.h" 32#include "opt_inet6.h" 33 34#define __ELF_WORD_SIZE 32 35 36#include <sys/param.h> 37#include <sys/bus.h> 38#include <sys/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 110FEATURE(compat_freebsd_32bit, "Compatible with 32-bit FreeBSD"); 111 112#ifndef __mips__ 113CTASSERT(sizeof(struct timeval32) == 8); 114CTASSERT(sizeof(struct timespec32) == 8); 115CTASSERT(sizeof(struct itimerval32) == 16); 116#endif 117CTASSERT(sizeof(struct statfs32) == 256); 118#ifndef __mips__ 119CTASSERT(sizeof(struct rusage32) == 72); 120#endif 121CTASSERT(sizeof(struct sigaltstack32) == 12); 122CTASSERT(sizeof(struct kevent32) == 20); 123CTASSERT(sizeof(struct iovec32) == 8); 124CTASSERT(sizeof(struct msghdr32) == 28); 125#ifndef __mips__ 126CTASSERT(sizeof(struct stat32) == 96); 127#endif 128CTASSERT(sizeof(struct sigaction32) == 24); 129 130static int freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count); 131static int freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count); 132 133void 134freebsd32_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 155int 156freebsd32_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 178int 179freebsd32_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 215static void 216copy_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 246int 247freebsd4_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; 253 int error; 254 255 count = uap->bufsize / sizeof(struct statfs32); 256 size = count * sizeof(struct statfs); 257 error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 258 if (size > 0) { 259 count = td->td_retval[0]; 260 sp = buf; 261 while (count > 0 && error == 0) { 262 copy_statfs(sp, &stat32); 263 error = copyout(&stat32, uap->buf, sizeof(stat32)); 264 sp++; 265 uap->buf++; 266 count--; 267 } 268 free(buf, M_TEMP); 269 } 270 return (error); 271} 272#endif 273 274int 275freebsd32_sigaltstack(struct thread *td, 276 struct freebsd32_sigaltstack_args *uap) 277{ 278 struct sigaltstack32 s32; 279 struct sigaltstack ss, oss, *ssp; 280 int error; 281 282 if (uap->ss != NULL) { 283 error = copyin(uap->ss, &s32, sizeof(s32)); 284 if (error) 285 return (error); 286 PTRIN_CP(s32, ss, ss_sp); 287 CP(s32, ss, ss_size); 288 CP(s32, ss, ss_flags); 289 ssp = &ss; 290 } else 291 ssp = NULL; 292 error = kern_sigaltstack(td, ssp, &oss); 293 if (error == 0 && uap->oss != NULL) { 294 PTROUT_CP(oss, s32, ss_sp); 295 CP(oss, s32, ss_size); 296 CP(oss, s32, ss_flags); 297 error = copyout(&s32, uap->oss, sizeof(s32)); 298 } 299 return (error); 300} 301 302/* 303 * Custom version of exec_copyin_args() so that we can translate 304 * the pointers. 305 */ 306int 307freebsd32_exec_copyin_args(struct image_args *args, char *fname, 308 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 309{ 310 char *argp, *envp; 311 u_int32_t *p32, arg; 312 size_t length; 313 int error; 314 315 bzero(args, sizeof(*args)); 316 if (argv == NULL) 317 return (EFAULT); 318 319 /* 320 * Allocate demand-paged memory for the file name, argument, and 321 * environment strings. 322 */ 323 error = exec_alloc_args(args); 324 if (error != 0) 325 return (error); 326 327 /* 328 * Copy the file name. 329 */ 330 if (fname != NULL) { 331 args->fname = args->buf; 332 error = (segflg == UIO_SYSSPACE) ? 333 copystr(fname, args->fname, PATH_MAX, &length) : 334 copyinstr(fname, args->fname, PATH_MAX, &length); 335 if (error != 0) 336 goto err_exit; 337 } else 338 length = 0; 339 340 args->begin_argv = args->buf + length; 341 args->endp = args->begin_argv; 342 args->stringspace = ARG_MAX; 343 344 /* 345 * extract arguments first 346 */ 347 p32 = argv; 348 for (;;) { 349 error = copyin(p32++, &arg, sizeof(arg)); 350 if (error) 351 goto err_exit; 352 if (arg == 0) 353 break; 354 argp = PTRIN(arg); 355 error = copyinstr(argp, args->endp, args->stringspace, &length); 356 if (error) { 357 if (error == ENAMETOOLONG) 358 error = E2BIG; 359 goto err_exit; 360 } 361 args->stringspace -= length; 362 args->endp += length; 363 args->argc++; 364 } 365 366 args->begin_envv = args->endp; 367 368 /* 369 * extract environment strings 370 */ 371 if (envv) { 372 p32 = envv; 373 for (;;) { 374 error = copyin(p32++, &arg, sizeof(arg)); 375 if (error) 376 goto err_exit; 377 if (arg == 0) 378 break; 379 envp = PTRIN(arg); 380 error = copyinstr(envp, args->endp, args->stringspace, 381 &length); 382 if (error) { 383 if (error == ENAMETOOLONG) 384 error = E2BIG; 385 goto err_exit; 386 } 387 args->stringspace -= length; 388 args->endp += length; 389 args->envc++; 390 } 391 } 392 393 return (0); 394 395err_exit: 396 exec_free_args(args); 397 return (error); 398} 399 400int 401freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 402{ 403 struct image_args eargs; 404 struct vmspace *oldvmspace; 405 int error; 406 407 error = pre_execve(td, &oldvmspace); 408 if (error != 0) 409 return (error); 410 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 411 uap->argv, uap->envv); 412 if (error == 0) 413 error = kern_execve(td, &eargs, NULL); 414 post_execve(td, error, oldvmspace); 415 return (error); 416} 417 418int 419freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 420{ 421 struct image_args eargs; 422 struct vmspace *oldvmspace; 423 int error; 424 425 error = pre_execve(td, &oldvmspace); 426 if (error != 0) 427 return (error); 428 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 429 uap->argv, uap->envv); 430 if (error == 0) { 431 eargs.fd = uap->fd; 432 error = kern_execve(td, &eargs, NULL); 433 } 434 post_execve(td, error, oldvmspace); 435 return (error); 436} 437 438#ifdef __ia64__ 439static int 440freebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, 441 int prot, int fd, off_t pos) 442{ 443 vm_map_t map; 444 vm_map_entry_t entry; 445 int rv; 446 447 map = &td->td_proc->p_vmspace->vm_map; 448 if (fd != -1) 449 prot |= VM_PROT_WRITE; 450 451 if (vm_map_lookup_entry(map, start, &entry)) { 452 if ((entry->protection & prot) != prot) { 453 rv = vm_map_protect(map, 454 trunc_page(start), 455 round_page(end), 456 entry->protection | prot, 457 FALSE); 458 if (rv != KERN_SUCCESS) 459 return (EINVAL); 460 } 461 } else { 462 vm_offset_t addr = trunc_page(start); 463 rv = vm_map_find(map, NULL, 0, &addr, PAGE_SIZE, 0, 464 VMFS_NO_SPACE, prot, VM_PROT_ALL, 0); 465 if (rv != KERN_SUCCESS) 466 return (EINVAL); 467 } 468 469 if (fd != -1) { 470 struct pread_args r; 471 r.fd = fd; 472 r.buf = (void *) start; 473 r.nbyte = end - start; 474 r.offset = pos; 475 return (sys_pread(td, &r)); 476 } else { 477 while (start < end) { 478 subyte((void *) start, 0); 479 start++; 480 } 481 return (0); 482 } 483} 484#endif 485 486int 487freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap) 488{ 489 struct mprotect_args ap; 490 491 ap.addr = PTRIN(uap->addr); 492 ap.len = uap->len; 493 ap.prot = uap->prot; 494#if defined(__amd64__) || defined(__ia64__) 495 if (i386_read_exec && (ap.prot & PROT_READ) != 0) 496 ap.prot |= PROT_EXEC; 497#endif 498 return (sys_mprotect(td, &ap)); 499} 500 501int 502freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 503{ 504 struct mmap_args ap; 505 vm_offset_t addr = (vm_offset_t) uap->addr; 506 vm_size_t len = uap->len; 507 int prot = uap->prot; 508 int flags = uap->flags; 509 int fd = uap->fd; 510 off_t pos = PAIR32TO64(off_t,uap->pos); 511#ifdef __ia64__ 512 vm_size_t pageoff; 513 int error; 514 515 /* 516 * Attempt to handle page size hassles. 517 */ 518 pageoff = (pos & PAGE_MASK); 519 if (flags & MAP_FIXED) { 520 vm_offset_t start, end; 521 start = addr; 522 end = addr + len; 523 524 if (start != trunc_page(start)) { 525 error = freebsd32_mmap_partial(td, start, 526 round_page(start), prot, 527 fd, pos); 528 if (fd != -1) 529 pos += round_page(start) - start; 530 start = round_page(start); 531 } 532 if (end != round_page(end)) { 533 vm_offset_t t = trunc_page(end); 534 error = freebsd32_mmap_partial(td, t, end, 535 prot, fd, 536 pos + t - start); 537 end = trunc_page(end); 538 } 539 if (end > start && fd != -1 && (pos & PAGE_MASK)) { 540 /* 541 * We can't map this region at all. The specified 542 * address doesn't have the same alignment as the file 543 * position. Fake the mapping by simply reading the 544 * entire region into memory. First we need to make 545 * sure the region exists. 546 */ 547 vm_map_t map; 548 struct pread_args r; 549 int rv; 550 551 prot |= VM_PROT_WRITE; 552 map = &td->td_proc->p_vmspace->vm_map; 553 rv = vm_map_remove(map, start, end); 554 if (rv != KERN_SUCCESS) 555 return (EINVAL); 556 rv = vm_map_find(map, NULL, 0, &start, end - start, 557 0, VMFS_NO_SPACE, prot, VM_PROT_ALL, 0); 558 if (rv != KERN_SUCCESS) 559 return (EINVAL); 560 r.fd = fd; 561 r.buf = (void *) start; 562 r.nbyte = end - start; 563 r.offset = pos; 564 error = sys_pread(td, &r); 565 if (error) 566 return (error); 567 568 td->td_retval[0] = addr; 569 return (0); 570 } 571 if (end == start) { 572 /* 573 * After dealing with the ragged ends, there 574 * might be none left. 575 */ 576 td->td_retval[0] = addr; 577 return (0); 578 } 579 addr = start; 580 len = end - start; 581 } 582#endif 583 584#if defined(__amd64__) || defined(__ia64__) 585 if (i386_read_exec && (prot & PROT_READ)) 586 prot |= PROT_EXEC; 587#endif 588 589 ap.addr = (void *) addr; 590 ap.len = len; 591 ap.prot = prot; 592 ap.flags = flags; 593 ap.fd = fd; 594 ap.pos = pos; 595 596 return (sys_mmap(td, &ap)); 597} 598 599#ifdef COMPAT_FREEBSD6 600int 601freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 602{ 603 struct freebsd32_mmap_args ap; 604 605 ap.addr = uap->addr; 606 ap.len = uap->len; 607 ap.prot = uap->prot; 608 ap.flags = uap->flags; 609 ap.fd = uap->fd; 610 ap.pos1 = uap->pos1; 611 ap.pos2 = uap->pos2; 612 613 return (freebsd32_mmap(td, &ap)); 614} 615#endif 616 617int 618freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 619{ 620 struct itimerval itv, oitv, *itvp; 621 struct itimerval32 i32; 622 int error; 623 624 if (uap->itv != NULL) { 625 error = copyin(uap->itv, &i32, sizeof(i32)); 626 if (error) 627 return (error); 628 TV_CP(i32, itv, it_interval); 629 TV_CP(i32, itv, it_value); 630 itvp = &itv; 631 } else 632 itvp = NULL; 633 error = kern_setitimer(td, uap->which, itvp, &oitv); 634 if (error || uap->oitv == NULL) 635 return (error); 636 TV_CP(oitv, i32, it_interval); 637 TV_CP(oitv, i32, it_value); 638 return (copyout(&i32, uap->oitv, sizeof(i32))); 639} 640 641int 642freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 643{ 644 struct itimerval itv; 645 struct itimerval32 i32; 646 int error; 647 648 error = kern_getitimer(td, uap->which, &itv); 649 if (error || uap->itv == NULL) 650 return (error); 651 TV_CP(itv, i32, it_interval); 652 TV_CP(itv, i32, it_value); 653 return (copyout(&i32, uap->itv, sizeof(i32))); 654} 655 656int 657freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 658{ 659 struct timeval32 tv32; 660 struct timeval tv, *tvp; 661 int error; 662 663 if (uap->tv != NULL) { 664 error = copyin(uap->tv, &tv32, sizeof(tv32)); 665 if (error) 666 return (error); 667 CP(tv32, tv, tv_sec); 668 CP(tv32, tv, tv_usec); 669 tvp = &tv; 670 } else 671 tvp = NULL; 672 /* 673 * XXX Do pointers need PTRIN()? 674 */ 675 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 676 sizeof(int32_t) * 8)); 677} 678 679int 680freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 681{ 682 struct timespec32 ts32; 683 struct timespec ts; 684 struct timeval tv, *tvp; 685 sigset_t set, *uset; 686 int error; 687 688 if (uap->ts != NULL) { 689 error = copyin(uap->ts, &ts32, sizeof(ts32)); 690 if (error != 0) 691 return (error); 692 CP(ts32, ts, tv_sec); 693 CP(ts32, ts, tv_nsec); 694 TIMESPEC_TO_TIMEVAL(&tv, &ts); 695 tvp = &tv; 696 } else 697 tvp = NULL; 698 if (uap->sm != NULL) { 699 error = copyin(uap->sm, &set, sizeof(set)); 700 if (error != 0) 701 return (error); 702 uset = &set; 703 } else 704 uset = NULL; 705 /* 706 * XXX Do pointers need PTRIN()? 707 */ 708 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 709 uset, sizeof(int32_t) * 8); 710 return (error); 711} 712 713/* 714 * Copy 'count' items into the destination list pointed to by uap->eventlist. 715 */ 716static int 717freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 718{ 719 struct freebsd32_kevent_args *uap; 720 struct kevent32 ks32[KQ_NEVENTS]; 721 int i, error = 0; 722 723 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 724 uap = (struct freebsd32_kevent_args *)arg; 725 726 for (i = 0; i < count; i++) { 727 CP(kevp[i], ks32[i], ident); 728 CP(kevp[i], ks32[i], filter); 729 CP(kevp[i], ks32[i], flags); 730 CP(kevp[i], ks32[i], fflags); 731 CP(kevp[i], ks32[i], data); 732 PTROUT_CP(kevp[i], ks32[i], udata); 733 } 734 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 735 if (error == 0) 736 uap->eventlist += count; 737 return (error); 738} 739 740/* 741 * Copy 'count' items from the list pointed to by uap->changelist. 742 */ 743static int 744freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 745{ 746 struct freebsd32_kevent_args *uap; 747 struct kevent32 ks32[KQ_NEVENTS]; 748 int i, error = 0; 749 750 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 751 uap = (struct freebsd32_kevent_args *)arg; 752 753 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 754 if (error) 755 goto done; 756 uap->changelist += count; 757 758 for (i = 0; i < count; i++) { 759 CP(ks32[i], kevp[i], ident); 760 CP(ks32[i], kevp[i], filter); 761 CP(ks32[i], kevp[i], flags); 762 CP(ks32[i], kevp[i], fflags); 763 CP(ks32[i], kevp[i], data); 764 PTRIN_CP(ks32[i], kevp[i], udata); 765 } 766done: 767 return (error); 768} 769 770int 771freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 772{ 773 struct timespec32 ts32; 774 struct timespec ts, *tsp; 775 struct kevent_copyops k_ops = { uap, 776 freebsd32_kevent_copyout, 777 freebsd32_kevent_copyin}; 778 int error; 779 780 781 if (uap->timeout) { 782 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 783 if (error) 784 return (error); 785 CP(ts32, ts, tv_sec); 786 CP(ts32, ts, tv_nsec); 787 tsp = &ts; 788 } else 789 tsp = NULL; 790 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 791 &k_ops, tsp); 792 return (error); 793} 794 795int 796freebsd32_gettimeofday(struct thread *td, 797 struct freebsd32_gettimeofday_args *uap) 798{ 799 struct timeval atv; 800 struct timeval32 atv32; 801 struct timezone rtz; 802 int error = 0; 803 804 if (uap->tp) { 805 microtime(&atv); 806 CP(atv, atv32, tv_sec); 807 CP(atv, atv32, tv_usec); 808 error = copyout(&atv32, uap->tp, sizeof (atv32)); 809 } 810 if (error == 0 && uap->tzp != NULL) { 811 rtz.tz_minuteswest = tz_minuteswest; 812 rtz.tz_dsttime = tz_dsttime; 813 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 814 } 815 return (error); 816} 817 818int 819freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 820{ 821 struct rusage32 s32; 822 struct rusage s; 823 int error; 824 825 error = kern_getrusage(td, uap->who, &s); 826 if (error) 827 return (error); 828 if (uap->rusage != NULL) { 829 freebsd32_rusage_out(&s, &s32); 830 error = copyout(&s32, uap->rusage, sizeof(s32)); 831 } 832 return (error); 833} 834 835static int 836freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 837{ 838 struct iovec32 iov32; 839 struct iovec *iov; 840 struct uio *uio; 841 u_int iovlen; 842 int error, i; 843 844 *uiop = NULL; 845 if (iovcnt > UIO_MAXIOV) 846 return (EINVAL); 847 iovlen = iovcnt * sizeof(struct iovec); 848 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 849 iov = (struct iovec *)(uio + 1); 850 for (i = 0; i < iovcnt; i++) { 851 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 852 if (error) { 853 free(uio, M_IOV); 854 return (error); 855 } 856 iov[i].iov_base = PTRIN(iov32.iov_base); 857 iov[i].iov_len = iov32.iov_len; 858 } 859 uio->uio_iov = iov; 860 uio->uio_iovcnt = iovcnt; 861 uio->uio_segflg = UIO_USERSPACE; 862 uio->uio_offset = -1; 863 uio->uio_resid = 0; 864 for (i = 0; i < iovcnt; i++) { 865 if (iov->iov_len > INT_MAX - uio->uio_resid) { 866 free(uio, M_IOV); 867 return (EINVAL); 868 } 869 uio->uio_resid += iov->iov_len; 870 iov++; 871 } 872 *uiop = uio; 873 return (0); 874} 875 876int 877freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 878{ 879 struct uio *auio; 880 int error; 881 882 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 883 if (error) 884 return (error); 885 error = kern_readv(td, uap->fd, auio); 886 free(auio, M_IOV); 887 return (error); 888} 889 890int 891freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 892{ 893 struct uio *auio; 894 int error; 895 896 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 897 if (error) 898 return (error); 899 error = kern_writev(td, uap->fd, auio); 900 free(auio, M_IOV); 901 return (error); 902} 903 904int 905freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 906{ 907 struct uio *auio; 908 int error; 909 910 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 911 if (error) 912 return (error); 913 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 914 free(auio, M_IOV); 915 return (error); 916} 917 918int 919freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 920{ 921 struct uio *auio; 922 int error; 923 924 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 925 if (error) 926 return (error); 927 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 928 free(auio, M_IOV); 929 return (error); 930} 931 932int 933freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 934 int error) 935{ 936 struct iovec32 iov32; 937 struct iovec *iov; 938 u_int iovlen; 939 int i; 940 941 *iovp = NULL; 942 if (iovcnt > UIO_MAXIOV) 943 return (error); 944 iovlen = iovcnt * sizeof(struct iovec); 945 iov = malloc(iovlen, M_IOV, M_WAITOK); 946 for (i = 0; i < iovcnt; i++) { 947 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 948 if (error) { 949 free(iov, M_IOV); 950 return (error); 951 } 952 iov[i].iov_base = PTRIN(iov32.iov_base); 953 iov[i].iov_len = iov32.iov_len; 954 } 955 *iovp = iov; 956 return (0); 957} 958 959static int 960freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 961{ 962 struct msghdr32 m32; 963 int error; 964 965 error = copyin(msg32, &m32, sizeof(m32)); 966 if (error) 967 return (error); 968 msg->msg_name = PTRIN(m32.msg_name); 969 msg->msg_namelen = m32.msg_namelen; 970 msg->msg_iov = PTRIN(m32.msg_iov); 971 msg->msg_iovlen = m32.msg_iovlen; 972 msg->msg_control = PTRIN(m32.msg_control); 973 msg->msg_controllen = m32.msg_controllen; 974 msg->msg_flags = m32.msg_flags; 975 return (0); 976} 977 978static int 979freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 980{ 981 struct msghdr32 m32; 982 int error; 983 984 m32.msg_name = PTROUT(msg->msg_name); 985 m32.msg_namelen = msg->msg_namelen; 986 m32.msg_iov = PTROUT(msg->msg_iov); 987 m32.msg_iovlen = msg->msg_iovlen; 988 m32.msg_control = PTROUT(msg->msg_control); 989 m32.msg_controllen = msg->msg_controllen; 990 m32.msg_flags = msg->msg_flags; 991 error = copyout(&m32, msg32, sizeof(m32)); 992 return (error); 993} 994 995#ifndef __mips__ 996#define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 997#else 998#define FREEBSD32_ALIGNBYTES (sizeof(long) - 1) 999#endif 1000#define FREEBSD32_ALIGN(p) \ 1001 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 1002#define FREEBSD32_CMSG_SPACE(l) \ 1003 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 1004 1005#define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 1006 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 1007static int 1008freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 1009{ 1010 struct cmsghdr *cm; 1011 void *data; 1012 socklen_t clen, datalen; 1013 int error; 1014 caddr_t ctlbuf; 1015 int len, maxlen, copylen; 1016 struct mbuf *m; 1017 error = 0; 1018 1019 len = msg->msg_controllen; 1020 maxlen = msg->msg_controllen; 1021 msg->msg_controllen = 0; 1022 1023 m = control; 1024 ctlbuf = msg->msg_control; 1025 1026 while (m && len > 0) { 1027 cm = mtod(m, struct cmsghdr *); 1028 clen = m->m_len; 1029 1030 while (cm != NULL) { 1031 1032 if (sizeof(struct cmsghdr) > clen || 1033 cm->cmsg_len > clen) { 1034 error = EINVAL; 1035 break; 1036 } 1037 1038 data = CMSG_DATA(cm); 1039 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1040 1041 /* Adjust message length */ 1042 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 1043 datalen; 1044 1045 1046 /* Copy cmsghdr */ 1047 copylen = sizeof(struct cmsghdr); 1048 if (len < copylen) { 1049 msg->msg_flags |= MSG_CTRUNC; 1050 copylen = len; 1051 } 1052 1053 error = copyout(cm,ctlbuf,copylen); 1054 if (error) 1055 goto exit; 1056 1057 ctlbuf += FREEBSD32_ALIGN(copylen); 1058 len -= FREEBSD32_ALIGN(copylen); 1059 1060 if (len <= 0) 1061 break; 1062 1063 /* Copy data */ 1064 copylen = datalen; 1065 if (len < copylen) { 1066 msg->msg_flags |= MSG_CTRUNC; 1067 copylen = len; 1068 } 1069 1070 error = copyout(data,ctlbuf,copylen); 1071 if (error) 1072 goto exit; 1073 1074 ctlbuf += FREEBSD32_ALIGN(copylen); 1075 len -= FREEBSD32_ALIGN(copylen); 1076 1077 if (CMSG_SPACE(datalen) < clen) { 1078 clen -= CMSG_SPACE(datalen); 1079 cm = (struct cmsghdr *) 1080 ((caddr_t)cm + CMSG_SPACE(datalen)); 1081 } else { 1082 clen = 0; 1083 cm = NULL; 1084 } 1085 } 1086 m = m->m_next; 1087 } 1088 1089 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 1090 1091exit: 1092 return (error); 1093 1094} 1095 1096int 1097freebsd32_recvmsg(td, uap) 1098 struct thread *td; 1099 struct freebsd32_recvmsg_args /* { 1100 int s; 1101 struct msghdr32 *msg; 1102 int flags; 1103 } */ *uap; 1104{ 1105 struct msghdr msg; 1106 struct msghdr32 m32; 1107 struct iovec *uiov, *iov; 1108 struct mbuf *control = NULL; 1109 struct mbuf **controlp; 1110 1111 int error; 1112 error = copyin(uap->msg, &m32, sizeof(m32)); 1113 if (error) 1114 return (error); 1115 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1116 if (error) 1117 return (error); 1118 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1119 EMSGSIZE); 1120 if (error) 1121 return (error); 1122 msg.msg_flags = uap->flags; 1123 uiov = msg.msg_iov; 1124 msg.msg_iov = iov; 1125 1126 controlp = (msg.msg_control != NULL) ? &control : NULL; 1127 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1128 if (error == 0) { 1129 msg.msg_iov = uiov; 1130 1131 if (control != NULL) 1132 error = freebsd32_copy_msg_out(&msg, control); 1133 else 1134 msg.msg_controllen = 0; 1135 1136 if (error == 0) 1137 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1138 } 1139 free(iov, M_IOV); 1140 1141 if (control != NULL) 1142 m_freem(control); 1143 1144 return (error); 1145} 1146 1147/* 1148 * Copy-in the array of control messages constructed using alignment 1149 * and padding suitable for a 32-bit environment and construct an 1150 * mbuf using alignment and padding suitable for a 64-bit kernel. 1151 * The alignment and padding are defined indirectly by CMSG_DATA(), 1152 * CMSG_SPACE() and CMSG_LEN(). 1153 */ 1154static int 1155freebsd32_copyin_control(struct mbuf **mp, caddr_t buf, u_int buflen) 1156{ 1157 struct mbuf *m; 1158 void *md; 1159 u_int idx, len, msglen; 1160 int error; 1161 1162 buflen = FREEBSD32_ALIGN(buflen); 1163 1164 if (buflen > MCLBYTES) 1165 return (EINVAL); 1166 1167 /* 1168 * Iterate over the buffer and get the length of each message 1169 * in there. This has 32-bit alignment and padding. Use it to 1170 * determine the length of these messages when using 64-bit 1171 * alignment and padding. 1172 */ 1173 idx = 0; 1174 len = 0; 1175 while (idx < buflen) { 1176 error = copyin(buf + idx, &msglen, sizeof(msglen)); 1177 if (error) 1178 return (error); 1179 if (msglen < sizeof(struct cmsghdr)) 1180 return (EINVAL); 1181 msglen = FREEBSD32_ALIGN(msglen); 1182 if (idx + msglen > buflen) 1183 return (EINVAL); 1184 idx += msglen; 1185 msglen += CMSG_ALIGN(sizeof(struct cmsghdr)) - 1186 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1187 len += CMSG_ALIGN(msglen); 1188 } 1189 1190 if (len > MCLBYTES) 1191 return (EINVAL); 1192 1193 m = m_get(M_WAITOK, MT_CONTROL); 1194 if (len > MLEN) 1195 MCLGET(m, M_WAITOK); 1196 m->m_len = len; 1197 1198 md = mtod(m, void *); 1199 while (buflen > 0) { 1200 error = copyin(buf, md, sizeof(struct cmsghdr)); 1201 if (error) 1202 break; 1203 msglen = *(u_int *)md; 1204 msglen = FREEBSD32_ALIGN(msglen); 1205 1206 /* Modify the message length to account for alignment. */ 1207 *(u_int *)md = msglen + CMSG_ALIGN(sizeof(struct cmsghdr)) - 1208 FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1209 1210 md = (char *)md + CMSG_ALIGN(sizeof(struct cmsghdr)); 1211 buf += FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1212 buflen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1213 1214 msglen -= FREEBSD32_ALIGN(sizeof(struct cmsghdr)); 1215 if (msglen > 0) { 1216 error = copyin(buf, md, msglen); 1217 if (error) 1218 break; 1219 md = (char *)md + CMSG_ALIGN(msglen); 1220 buf += msglen; 1221 buflen -= msglen; 1222 } 1223 } 1224 1225 if (error) 1226 m_free(m); 1227 else 1228 *mp = m; 1229 return (error); 1230} 1231 1232int 1233freebsd32_sendmsg(struct thread *td, 1234 struct freebsd32_sendmsg_args *uap) 1235{ 1236 struct msghdr msg; 1237 struct msghdr32 m32; 1238 struct iovec *iov; 1239 struct mbuf *control = NULL; 1240 struct sockaddr *to = NULL; 1241 int error; 1242 1243 error = copyin(uap->msg, &m32, sizeof(m32)); 1244 if (error) 1245 return (error); 1246 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1247 if (error) 1248 return (error); 1249 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1250 EMSGSIZE); 1251 if (error) 1252 return (error); 1253 msg.msg_iov = iov; 1254 if (msg.msg_name != NULL) { 1255 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1256 if (error) { 1257 to = NULL; 1258 goto out; 1259 } 1260 msg.msg_name = to; 1261 } 1262 1263 if (msg.msg_control) { 1264 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1265 error = EINVAL; 1266 goto out; 1267 } 1268 1269 error = freebsd32_copyin_control(&control, msg.msg_control, 1270 msg.msg_controllen); 1271 if (error) 1272 goto out; 1273 1274 msg.msg_control = NULL; 1275 msg.msg_controllen = 0; 1276 } 1277 1278 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1279 UIO_USERSPACE); 1280 1281out: 1282 free(iov, M_IOV); 1283 if (to) 1284 free(to, M_SONAME); 1285 return (error); 1286} 1287 1288int 1289freebsd32_recvfrom(struct thread *td, 1290 struct freebsd32_recvfrom_args *uap) 1291{ 1292 struct msghdr msg; 1293 struct iovec aiov; 1294 int error; 1295 1296 if (uap->fromlenaddr) { 1297 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1298 sizeof(msg.msg_namelen)); 1299 if (error) 1300 return (error); 1301 } else { 1302 msg.msg_namelen = 0; 1303 } 1304 1305 msg.msg_name = PTRIN(uap->from); 1306 msg.msg_iov = &aiov; 1307 msg.msg_iovlen = 1; 1308 aiov.iov_base = PTRIN(uap->buf); 1309 aiov.iov_len = uap->len; 1310 msg.msg_control = NULL; 1311 msg.msg_flags = uap->flags; 1312 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1313 if (error == 0 && uap->fromlenaddr) 1314 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1315 sizeof (msg.msg_namelen)); 1316 return (error); 1317} 1318 1319int 1320freebsd32_settimeofday(struct thread *td, 1321 struct freebsd32_settimeofday_args *uap) 1322{ 1323 struct timeval32 tv32; 1324 struct timeval tv, *tvp; 1325 struct timezone tz, *tzp; 1326 int error; 1327 1328 if (uap->tv) { 1329 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1330 if (error) 1331 return (error); 1332 CP(tv32, tv, tv_sec); 1333 CP(tv32, tv, tv_usec); 1334 tvp = &tv; 1335 } else 1336 tvp = NULL; 1337 if (uap->tzp) { 1338 error = copyin(uap->tzp, &tz, sizeof(tz)); 1339 if (error) 1340 return (error); 1341 tzp = &tz; 1342 } else 1343 tzp = NULL; 1344 return (kern_settimeofday(td, tvp, tzp)); 1345} 1346 1347int 1348freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1349{ 1350 struct timeval32 s32[2]; 1351 struct timeval s[2], *sp; 1352 int error; 1353 1354 if (uap->tptr != NULL) { 1355 error = copyin(uap->tptr, s32, sizeof(s32)); 1356 if (error) 1357 return (error); 1358 CP(s32[0], s[0], tv_sec); 1359 CP(s32[0], s[0], tv_usec); 1360 CP(s32[1], s[1], tv_sec); 1361 CP(s32[1], s[1], tv_usec); 1362 sp = s; 1363 } else 1364 sp = NULL; 1365 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1366} 1367 1368int 1369freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1370{ 1371 struct timeval32 s32[2]; 1372 struct timeval s[2], *sp; 1373 int error; 1374 1375 if (uap->tptr != NULL) { 1376 error = copyin(uap->tptr, s32, sizeof(s32)); 1377 if (error) 1378 return (error); 1379 CP(s32[0], s[0], tv_sec); 1380 CP(s32[0], s[0], tv_usec); 1381 CP(s32[1], s[1], tv_sec); 1382 CP(s32[1], s[1], tv_usec); 1383 sp = s; 1384 } else 1385 sp = NULL; 1386 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1387} 1388 1389int 1390freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1391{ 1392 struct timeval32 s32[2]; 1393 struct timeval s[2], *sp; 1394 int error; 1395 1396 if (uap->tptr != NULL) { 1397 error = copyin(uap->tptr, s32, sizeof(s32)); 1398 if (error) 1399 return (error); 1400 CP(s32[0], s[0], tv_sec); 1401 CP(s32[0], s[0], tv_usec); 1402 CP(s32[1], s[1], tv_sec); 1403 CP(s32[1], s[1], tv_usec); 1404 sp = s; 1405 } else 1406 sp = NULL; 1407 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1408} 1409 1410int 1411freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1412{ 1413 struct timeval32 s32[2]; 1414 struct timeval s[2], *sp; 1415 int error; 1416 1417 if (uap->times != NULL) { 1418 error = copyin(uap->times, s32, sizeof(s32)); 1419 if (error) 1420 return (error); 1421 CP(s32[0], s[0], tv_sec); 1422 CP(s32[0], s[0], tv_usec); 1423 CP(s32[1], s[1], tv_sec); 1424 CP(s32[1], s[1], tv_usec); 1425 sp = s; 1426 } else 1427 sp = NULL; 1428 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1429 sp, UIO_SYSSPACE)); 1430} 1431 1432int 1433freebsd32_futimens(struct thread *td, struct freebsd32_futimens_args *uap) 1434{ 1435 struct timespec32 ts32[2]; 1436 struct timespec ts[2], *tsp; 1437 int error; 1438 1439 if (uap->times != NULL) { 1440 error = copyin(uap->times, ts32, sizeof(ts32)); 1441 if (error) 1442 return (error); 1443 CP(ts32[0], ts[0], tv_sec); 1444 CP(ts32[0], ts[0], tv_nsec); 1445 CP(ts32[1], ts[1], tv_sec); 1446 CP(ts32[1], ts[1], tv_nsec); 1447 tsp = ts; 1448 } else 1449 tsp = NULL; 1450 return (kern_futimens(td, uap->fd, tsp, UIO_SYSSPACE)); 1451} 1452 1453int 1454freebsd32_utimensat(struct thread *td, struct freebsd32_utimensat_args *uap) 1455{ 1456 struct timespec32 ts32[2]; 1457 struct timespec ts[2], *tsp; 1458 int error; 1459 1460 if (uap->times != NULL) { 1461 error = copyin(uap->times, ts32, sizeof(ts32)); 1462 if (error) 1463 return (error); 1464 CP(ts32[0], ts[0], tv_sec); 1465 CP(ts32[0], ts[0], tv_nsec); 1466 CP(ts32[1], ts[1], tv_sec); 1467 CP(ts32[1], ts[1], tv_nsec); 1468 tsp = ts; 1469 } else 1470 tsp = NULL; 1471 return (kern_utimensat(td, uap->fd, uap->path, UIO_USERSPACE, 1472 tsp, UIO_SYSSPACE, uap->flag)); 1473} 1474 1475int 1476freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1477{ 1478 struct timeval32 tv32; 1479 struct timeval delta, olddelta, *deltap; 1480 int error; 1481 1482 if (uap->delta) { 1483 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1484 if (error) 1485 return (error); 1486 CP(tv32, delta, tv_sec); 1487 CP(tv32, delta, tv_usec); 1488 deltap = δ 1489 } else 1490 deltap = NULL; 1491 error = kern_adjtime(td, deltap, &olddelta); 1492 if (uap->olddelta && error == 0) { 1493 CP(olddelta, tv32, tv_sec); 1494 CP(olddelta, tv32, tv_usec); 1495 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1496 } 1497 return (error); 1498} 1499 1500#ifdef COMPAT_FREEBSD4 1501int 1502freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1503{ 1504 struct statfs32 s32; 1505 struct statfs s; 1506 int error; 1507 1508 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1509 if (error) 1510 return (error); 1511 copy_statfs(&s, &s32); 1512 return (copyout(&s32, uap->buf, sizeof(s32))); 1513} 1514#endif 1515 1516#ifdef COMPAT_FREEBSD4 1517int 1518freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1519{ 1520 struct statfs32 s32; 1521 struct statfs s; 1522 int error; 1523 1524 error = kern_fstatfs(td, uap->fd, &s); 1525 if (error) 1526 return (error); 1527 copy_statfs(&s, &s32); 1528 return (copyout(&s32, uap->buf, sizeof(s32))); 1529} 1530#endif 1531 1532#ifdef COMPAT_FREEBSD4 1533int 1534freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1535{ 1536 struct statfs32 s32; 1537 struct statfs s; 1538 fhandle_t fh; 1539 int error; 1540 1541 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1542 return (error); 1543 error = kern_fhstatfs(td, fh, &s); 1544 if (error) 1545 return (error); 1546 copy_statfs(&s, &s32); 1547 return (copyout(&s32, uap->buf, sizeof(s32))); 1548} 1549#endif 1550 1551int 1552freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1553{ 1554 struct pread_args ap; 1555 1556 ap.fd = uap->fd; 1557 ap.buf = uap->buf; 1558 ap.nbyte = uap->nbyte; 1559 ap.offset = PAIR32TO64(off_t,uap->offset); 1560 return (sys_pread(td, &ap)); 1561} 1562 1563int 1564freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1565{ 1566 struct pwrite_args ap; 1567 1568 ap.fd = uap->fd; 1569 ap.buf = uap->buf; 1570 ap.nbyte = uap->nbyte; 1571 ap.offset = PAIR32TO64(off_t,uap->offset); 1572 return (sys_pwrite(td, &ap)); 1573} 1574 1575#ifdef COMPAT_43 1576int 1577ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap) 1578{ 1579 struct lseek_args nuap; 1580 1581 nuap.fd = uap->fd; 1582 nuap.offset = uap->offset; 1583 nuap.whence = uap->whence; 1584 return (sys_lseek(td, &nuap)); 1585} 1586#endif 1587 1588int 1589freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1590{ 1591 int error; 1592 struct lseek_args ap; 1593 off_t pos; 1594 1595 ap.fd = uap->fd; 1596 ap.offset = PAIR32TO64(off_t,uap->offset); 1597 ap.whence = uap->whence; 1598 error = sys_lseek(td, &ap); 1599 /* Expand the quad return into two parts for eax and edx */ 1600 pos = *(off_t *)(td->td_retval); 1601 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1602 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1603 return error; 1604} 1605 1606int 1607freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1608{ 1609 struct truncate_args ap; 1610 1611 ap.path = uap->path; 1612 ap.length = PAIR32TO64(off_t,uap->length); 1613 return (sys_truncate(td, &ap)); 1614} 1615 1616int 1617freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1618{ 1619 struct ftruncate_args ap; 1620 1621 ap.fd = uap->fd; 1622 ap.length = PAIR32TO64(off_t,uap->length); 1623 return (sys_ftruncate(td, &ap)); 1624} 1625 1626#ifdef COMPAT_43 1627int 1628ofreebsd32_getdirentries(struct thread *td, 1629 struct ofreebsd32_getdirentries_args *uap) 1630{ 1631 struct ogetdirentries_args ap; 1632 int error; 1633 long loff; 1634 int32_t loff_cut; 1635 1636 ap.fd = uap->fd; 1637 ap.buf = uap->buf; 1638 ap.count = uap->count; 1639 ap.basep = NULL; 1640 error = kern_ogetdirentries(td, &ap, &loff); 1641 if (error == 0) { 1642 loff_cut = loff; 1643 error = copyout(&loff_cut, uap->basep, sizeof(int32_t)); 1644 } 1645 return (error); 1646} 1647#endif 1648 1649int 1650freebsd32_getdirentries(struct thread *td, 1651 struct freebsd32_getdirentries_args *uap) 1652{ 1653 long base; 1654 int32_t base32; 1655 int error; 1656 1657 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base, 1658 NULL, UIO_USERSPACE); 1659 if (error) 1660 return (error); 1661 if (uap->basep != NULL) { 1662 base32 = base; 1663 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1664 } 1665 return (error); 1666} 1667 1668#ifdef COMPAT_FREEBSD6 1669/* versions with the 'int pad' argument */ 1670int 1671freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1672{ 1673 struct pread_args ap; 1674 1675 ap.fd = uap->fd; 1676 ap.buf = uap->buf; 1677 ap.nbyte = uap->nbyte; 1678 ap.offset = PAIR32TO64(off_t,uap->offset); 1679 return (sys_pread(td, &ap)); 1680} 1681 1682int 1683freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1684{ 1685 struct pwrite_args ap; 1686 1687 ap.fd = uap->fd; 1688 ap.buf = uap->buf; 1689 ap.nbyte = uap->nbyte; 1690 ap.offset = PAIR32TO64(off_t,uap->offset); 1691 return (sys_pwrite(td, &ap)); 1692} 1693 1694int 1695freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1696{ 1697 int error; 1698 struct lseek_args ap; 1699 off_t pos; 1700 1701 ap.fd = uap->fd; 1702 ap.offset = PAIR32TO64(off_t,uap->offset); 1703 ap.whence = uap->whence; 1704 error = sys_lseek(td, &ap); 1705 /* Expand the quad return into two parts for eax and edx */ 1706 pos = *(off_t *)(td->td_retval); 1707 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1708 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1709 return error; 1710} 1711 1712int 1713freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1714{ 1715 struct truncate_args ap; 1716 1717 ap.path = uap->path; 1718 ap.length = PAIR32TO64(off_t,uap->length); 1719 return (sys_truncate(td, &ap)); 1720} 1721 1722int 1723freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1724{ 1725 struct ftruncate_args ap; 1726 1727 ap.fd = uap->fd; 1728 ap.length = PAIR32TO64(off_t,uap->length); 1729 return (sys_ftruncate(td, &ap)); 1730} 1731#endif /* COMPAT_FREEBSD6 */ 1732 1733struct sf_hdtr32 { 1734 uint32_t headers; 1735 int hdr_cnt; 1736 uint32_t trailers; 1737 int trl_cnt; 1738}; 1739 1740static int 1741freebsd32_do_sendfile(struct thread *td, 1742 struct freebsd32_sendfile_args *uap, int compat) 1743{ 1744 struct sf_hdtr32 hdtr32; 1745 struct sf_hdtr hdtr; 1746 struct uio *hdr_uio, *trl_uio; 1747 struct iovec32 *iov32; 1748 struct file *fp; 1749 cap_rights_t rights; 1750 off_t offset; 1751 int error; 1752 1753 offset = PAIR32TO64(off_t, uap->offset); 1754 if (offset < 0) 1755 return (EINVAL); 1756 1757 hdr_uio = trl_uio = NULL; 1758 1759 if (uap->hdtr != NULL) { 1760 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1761 if (error) 1762 goto out; 1763 PTRIN_CP(hdtr32, hdtr, headers); 1764 CP(hdtr32, hdtr, hdr_cnt); 1765 PTRIN_CP(hdtr32, hdtr, trailers); 1766 CP(hdtr32, hdtr, trl_cnt); 1767 1768 if (hdtr.headers != NULL) { 1769 iov32 = PTRIN(hdtr32.headers); 1770 error = freebsd32_copyinuio(iov32, 1771 hdtr32.hdr_cnt, &hdr_uio); 1772 if (error) 1773 goto out; 1774 } 1775 if (hdtr.trailers != NULL) { 1776 iov32 = PTRIN(hdtr32.trailers); 1777 error = freebsd32_copyinuio(iov32, 1778 hdtr32.trl_cnt, &trl_uio); 1779 if (error) 1780 goto out; 1781 } 1782 } 1783 1784 AUDIT_ARG_FD(uap->fd); 1785 1786 if ((error = fget_read(td, uap->fd, 1787 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0) { 1788 goto out; 1789 } 1790 1791 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset, 1792 uap->nbytes, uap->sbytes, uap->flags, compat ? SFK_COMPAT : 0, td); 1793 fdrop(fp, td); 1794 1795out: 1796 if (hdr_uio) 1797 free(hdr_uio, M_IOV); 1798 if (trl_uio) 1799 free(trl_uio, M_IOV); 1800 return (error); 1801} 1802 1803#ifdef COMPAT_FREEBSD4 1804int 1805freebsd4_freebsd32_sendfile(struct thread *td, 1806 struct freebsd4_freebsd32_sendfile_args *uap) 1807{ 1808 return (freebsd32_do_sendfile(td, 1809 (struct freebsd32_sendfile_args *)uap, 1)); 1810} 1811#endif 1812 1813int 1814freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1815{ 1816 1817 return (freebsd32_do_sendfile(td, uap, 0)); 1818} 1819 1820static void 1821copy_stat(struct stat *in, struct stat32 *out) 1822{ 1823 1824 CP(*in, *out, st_dev); 1825 CP(*in, *out, st_ino); 1826 CP(*in, *out, st_mode); 1827 CP(*in, *out, st_nlink); 1828 CP(*in, *out, st_uid); 1829 CP(*in, *out, st_gid); 1830 CP(*in, *out, st_rdev); 1831 TS_CP(*in, *out, st_atim); 1832 TS_CP(*in, *out, st_mtim); 1833 TS_CP(*in, *out, st_ctim); 1834 CP(*in, *out, st_size); 1835 CP(*in, *out, st_blocks); 1836 CP(*in, *out, st_blksize); 1837 CP(*in, *out, st_flags); 1838 CP(*in, *out, st_gen); 1839 TS_CP(*in, *out, st_birthtim); 1840} 1841 1842#ifdef COMPAT_43 1843static void 1844copy_ostat(struct stat *in, struct ostat32 *out) 1845{ 1846 1847 CP(*in, *out, st_dev); 1848 CP(*in, *out, st_ino); 1849 CP(*in, *out, st_mode); 1850 CP(*in, *out, st_nlink); 1851 CP(*in, *out, st_uid); 1852 CP(*in, *out, st_gid); 1853 CP(*in, *out, st_rdev); 1854 CP(*in, *out, st_size); 1855 TS_CP(*in, *out, st_atim); 1856 TS_CP(*in, *out, st_mtim); 1857 TS_CP(*in, *out, st_ctim); 1858 CP(*in, *out, st_blksize); 1859 CP(*in, *out, st_blocks); 1860 CP(*in, *out, st_flags); 1861 CP(*in, *out, st_gen); 1862} 1863#endif 1864 1865int 1866freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1867{ 1868 struct stat sb; 1869 struct stat32 sb32; 1870 int error; 1871 1872 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1873 if (error) 1874 return (error); 1875 copy_stat(&sb, &sb32); 1876 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1877 return (error); 1878} 1879 1880#ifdef COMPAT_43 1881int 1882ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap) 1883{ 1884 struct stat sb; 1885 struct ostat32 sb32; 1886 int error; 1887 1888 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 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 1897int 1898freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1899{ 1900 struct stat ub; 1901 struct stat32 ub32; 1902 int error; 1903 1904 error = kern_fstat(td, uap->fd, &ub); 1905 if (error) 1906 return (error); 1907 copy_stat(&ub, &ub32); 1908 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1909 return (error); 1910} 1911 1912#ifdef COMPAT_43 1913int 1914ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap) 1915{ 1916 struct stat ub; 1917 struct ostat32 ub32; 1918 int error; 1919 1920 error = kern_fstat(td, uap->fd, &ub); 1921 if (error) 1922 return (error); 1923 copy_ostat(&ub, &ub32); 1924 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1925 return (error); 1926} 1927#endif 1928 1929int 1930freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 1931{ 1932 struct stat ub; 1933 struct stat32 ub32; 1934 int error; 1935 1936 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub); 1937 if (error) 1938 return (error); 1939 copy_stat(&ub, &ub32); 1940 error = copyout(&ub32, uap->buf, sizeof(ub32)); 1941 return (error); 1942} 1943 1944int 1945freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1946{ 1947 struct stat sb; 1948 struct stat32 sb32; 1949 int error; 1950 1951 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1952 if (error) 1953 return (error); 1954 copy_stat(&sb, &sb32); 1955 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1956 return (error); 1957} 1958 1959#ifdef COMPAT_43 1960int 1961ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap) 1962{ 1963 struct stat sb; 1964 struct ostat32 sb32; 1965 int error; 1966 1967 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1968 if (error) 1969 return (error); 1970 copy_ostat(&sb, &sb32); 1971 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1972 return (error); 1973} 1974#endif 1975 1976int 1977freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1978{ 1979 int error, name[CTL_MAXNAME]; 1980 size_t j, oldlen; 1981 uint32_t tmp; 1982 1983 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1984 return (EINVAL); 1985 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1986 if (error) 1987 return (error); 1988 if (uap->oldlenp) { 1989 error = fueword32(uap->oldlenp, &tmp); 1990 oldlen = tmp; 1991 } else { 1992 oldlen = 0; 1993 } 1994 if (error != 0) 1995 return (EFAULT); 1996 error = userland_sysctl(td, name, uap->namelen, 1997 uap->old, &oldlen, 1, 1998 uap->new, uap->newlen, &j, SCTL_MASK32); 1999 if (error && error != ENOMEM) 2000 return (error); 2001 if (uap->oldlenp) 2002 suword32(uap->oldlenp, j); 2003 return (0); 2004} 2005 2006int 2007freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 2008{ 2009 uint32_t version; 2010 int error; 2011 struct jail j; 2012 2013 error = copyin(uap->jail, &version, sizeof(uint32_t)); 2014 if (error) 2015 return (error); 2016 2017 switch (version) { 2018 case 0: 2019 { 2020 /* FreeBSD single IPv4 jails. */ 2021 struct jail32_v0 j32_v0; 2022 2023 bzero(&j, sizeof(struct jail)); 2024 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 2025 if (error) 2026 return (error); 2027 CP(j32_v0, j, version); 2028 PTRIN_CP(j32_v0, j, path); 2029 PTRIN_CP(j32_v0, j, hostname); 2030 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */ 2031 break; 2032 } 2033 2034 case 1: 2035 /* 2036 * Version 1 was used by multi-IPv4 jail implementations 2037 * that never made it into the official kernel. 2038 */ 2039 return (EINVAL); 2040 2041 case 2: /* JAIL_API_VERSION */ 2042 { 2043 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 2044 struct jail32 j32; 2045 2046 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 2047 if (error) 2048 return (error); 2049 CP(j32, j, version); 2050 PTRIN_CP(j32, j, path); 2051 PTRIN_CP(j32, j, hostname); 2052 PTRIN_CP(j32, j, jailname); 2053 CP(j32, j, ip4s); 2054 CP(j32, j, ip6s); 2055 PTRIN_CP(j32, j, ip4); 2056 PTRIN_CP(j32, j, ip6); 2057 break; 2058 } 2059 2060 default: 2061 /* Sci-Fi jails are not supported, sorry. */ 2062 return (EINVAL); 2063 } 2064 return (kern_jail(td, &j)); 2065} 2066 2067int 2068freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 2069{ 2070 struct uio *auio; 2071 int error; 2072 2073 /* Check that we have an even number of iovecs. */ 2074 if (uap->iovcnt & 1) 2075 return (EINVAL); 2076 2077 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2078 if (error) 2079 return (error); 2080 error = kern_jail_set(td, auio, uap->flags); 2081 free(auio, M_IOV); 2082 return (error); 2083} 2084 2085int 2086freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 2087{ 2088 struct iovec32 iov32; 2089 struct uio *auio; 2090 int error, i; 2091 2092 /* Check that we have an even number of iovecs. */ 2093 if (uap->iovcnt & 1) 2094 return (EINVAL); 2095 2096 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2097 if (error) 2098 return (error); 2099 error = kern_jail_get(td, auio, uap->flags); 2100 if (error == 0) 2101 for (i = 0; i < uap->iovcnt; i++) { 2102 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 2103 CP(auio->uio_iov[i], iov32, iov_len); 2104 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2105 if (error != 0) 2106 break; 2107 } 2108 free(auio, M_IOV); 2109 return (error); 2110} 2111 2112int 2113freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2114{ 2115 struct sigaction32 s32; 2116 struct sigaction sa, osa, *sap; 2117 int error; 2118 2119 if (uap->act) { 2120 error = copyin(uap->act, &s32, sizeof(s32)); 2121 if (error) 2122 return (error); 2123 sa.sa_handler = PTRIN(s32.sa_u); 2124 CP(s32, sa, sa_flags); 2125 CP(s32, sa, sa_mask); 2126 sap = &sa; 2127 } else 2128 sap = NULL; 2129 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2130 if (error == 0 && uap->oact != NULL) { 2131 s32.sa_u = PTROUT(osa.sa_handler); 2132 CP(osa, s32, sa_flags); 2133 CP(osa, s32, sa_mask); 2134 error = copyout(&s32, uap->oact, sizeof(s32)); 2135 } 2136 return (error); 2137} 2138 2139#ifdef COMPAT_FREEBSD4 2140int 2141freebsd4_freebsd32_sigaction(struct thread *td, 2142 struct freebsd4_freebsd32_sigaction_args *uap) 2143{ 2144 struct sigaction32 s32; 2145 struct sigaction sa, osa, *sap; 2146 int error; 2147 2148 if (uap->act) { 2149 error = copyin(uap->act, &s32, sizeof(s32)); 2150 if (error) 2151 return (error); 2152 sa.sa_handler = PTRIN(s32.sa_u); 2153 CP(s32, sa, sa_flags); 2154 CP(s32, sa, sa_mask); 2155 sap = &sa; 2156 } else 2157 sap = NULL; 2158 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2159 if (error == 0 && uap->oact != NULL) { 2160 s32.sa_u = PTROUT(osa.sa_handler); 2161 CP(osa, s32, sa_flags); 2162 CP(osa, s32, sa_mask); 2163 error = copyout(&s32, uap->oact, sizeof(s32)); 2164 } 2165 return (error); 2166} 2167#endif 2168 2169#ifdef COMPAT_43 2170struct osigaction32 { 2171 u_int32_t sa_u; 2172 osigset_t sa_mask; 2173 int sa_flags; 2174}; 2175 2176#define ONSIG 32 2177 2178int 2179ofreebsd32_sigaction(struct thread *td, 2180 struct ofreebsd32_sigaction_args *uap) 2181{ 2182 struct osigaction32 s32; 2183 struct sigaction sa, osa, *sap; 2184 int error; 2185 2186 if (uap->signum <= 0 || uap->signum >= ONSIG) 2187 return (EINVAL); 2188 2189 if (uap->nsa) { 2190 error = copyin(uap->nsa, &s32, sizeof(s32)); 2191 if (error) 2192 return (error); 2193 sa.sa_handler = PTRIN(s32.sa_u); 2194 CP(s32, sa, sa_flags); 2195 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2196 sap = &sa; 2197 } else 2198 sap = NULL; 2199 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2200 if (error == 0 && uap->osa != NULL) { 2201 s32.sa_u = PTROUT(osa.sa_handler); 2202 CP(osa, s32, sa_flags); 2203 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2204 error = copyout(&s32, uap->osa, sizeof(s32)); 2205 } 2206 return (error); 2207} 2208 2209int 2210ofreebsd32_sigprocmask(struct thread *td, 2211 struct ofreebsd32_sigprocmask_args *uap) 2212{ 2213 sigset_t set, oset; 2214 int error; 2215 2216 OSIG2SIG(uap->mask, set); 2217 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2218 SIG2OSIG(oset, td->td_retval[0]); 2219 return (error); 2220} 2221 2222int 2223ofreebsd32_sigpending(struct thread *td, 2224 struct ofreebsd32_sigpending_args *uap) 2225{ 2226 struct proc *p = td->td_proc; 2227 sigset_t siglist; 2228 2229 PROC_LOCK(p); 2230 siglist = p->p_siglist; 2231 SIGSETOR(siglist, td->td_siglist); 2232 PROC_UNLOCK(p); 2233 SIG2OSIG(siglist, td->td_retval[0]); 2234 return (0); 2235} 2236 2237struct sigvec32 { 2238 u_int32_t sv_handler; 2239 int sv_mask; 2240 int sv_flags; 2241}; 2242 2243int 2244ofreebsd32_sigvec(struct thread *td, 2245 struct ofreebsd32_sigvec_args *uap) 2246{ 2247 struct sigvec32 vec; 2248 struct sigaction sa, osa, *sap; 2249 int error; 2250 2251 if (uap->signum <= 0 || uap->signum >= ONSIG) 2252 return (EINVAL); 2253 2254 if (uap->nsv) { 2255 error = copyin(uap->nsv, &vec, sizeof(vec)); 2256 if (error) 2257 return (error); 2258 sa.sa_handler = PTRIN(vec.sv_handler); 2259 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2260 sa.sa_flags = vec.sv_flags; 2261 sa.sa_flags ^= SA_RESTART; 2262 sap = &sa; 2263 } else 2264 sap = NULL; 2265 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2266 if (error == 0 && uap->osv != NULL) { 2267 vec.sv_handler = PTROUT(osa.sa_handler); 2268 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2269 vec.sv_flags = osa.sa_flags; 2270 vec.sv_flags &= ~SA_NOCLDWAIT; 2271 vec.sv_flags ^= SA_RESTART; 2272 error = copyout(&vec, uap->osv, sizeof(vec)); 2273 } 2274 return (error); 2275} 2276 2277int 2278ofreebsd32_sigblock(struct thread *td, 2279 struct ofreebsd32_sigblock_args *uap) 2280{ 2281 sigset_t set, oset; 2282 2283 OSIG2SIG(uap->mask, set); 2284 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2285 SIG2OSIG(oset, td->td_retval[0]); 2286 return (0); 2287} 2288 2289int 2290ofreebsd32_sigsetmask(struct thread *td, 2291 struct ofreebsd32_sigsetmask_args *uap) 2292{ 2293 sigset_t set, oset; 2294 2295 OSIG2SIG(uap->mask, set); 2296 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2297 SIG2OSIG(oset, td->td_retval[0]); 2298 return (0); 2299} 2300 2301int 2302ofreebsd32_sigsuspend(struct thread *td, 2303 struct ofreebsd32_sigsuspend_args *uap) 2304{ 2305 sigset_t mask; 2306 2307 OSIG2SIG(uap->mask, mask); 2308 return (kern_sigsuspend(td, mask)); 2309} 2310 2311struct sigstack32 { 2312 u_int32_t ss_sp; 2313 int ss_onstack; 2314}; 2315 2316int 2317ofreebsd32_sigstack(struct thread *td, 2318 struct ofreebsd32_sigstack_args *uap) 2319{ 2320 struct sigstack32 s32; 2321 struct sigstack nss, oss; 2322 int error = 0, unss; 2323 2324 if (uap->nss != NULL) { 2325 error = copyin(uap->nss, &s32, sizeof(s32)); 2326 if (error) 2327 return (error); 2328 nss.ss_sp = PTRIN(s32.ss_sp); 2329 CP(s32, nss, ss_onstack); 2330 unss = 1; 2331 } else { 2332 unss = 0; 2333 } 2334 oss.ss_sp = td->td_sigstk.ss_sp; 2335 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2336 if (unss) { 2337 td->td_sigstk.ss_sp = nss.ss_sp; 2338 td->td_sigstk.ss_size = 0; 2339 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2340 td->td_pflags |= TDP_ALTSTACK; 2341 } 2342 if (uap->oss != NULL) { 2343 s32.ss_sp = PTROUT(oss.ss_sp); 2344 CP(oss, s32, ss_onstack); 2345 error = copyout(&s32, uap->oss, sizeof(s32)); 2346 } 2347 return (error); 2348} 2349#endif 2350 2351int 2352freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2353{ 2354 struct timespec32 rmt32, rqt32; 2355 struct timespec rmt, rqt; 2356 int error; 2357 2358 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2359 if (error) 2360 return (error); 2361 2362 CP(rqt32, rqt, tv_sec); 2363 CP(rqt32, rqt, tv_nsec); 2364 2365 if (uap->rmtp && 2366 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2367 return (EFAULT); 2368 error = kern_nanosleep(td, &rqt, &rmt); 2369 if (error && uap->rmtp) { 2370 int error2; 2371 2372 CP(rmt, rmt32, tv_sec); 2373 CP(rmt, rmt32, tv_nsec); 2374 2375 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2376 if (error2) 2377 error = error2; 2378 } 2379 return (error); 2380} 2381 2382int 2383freebsd32_clock_gettime(struct thread *td, 2384 struct freebsd32_clock_gettime_args *uap) 2385{ 2386 struct timespec ats; 2387 struct timespec32 ats32; 2388 int error; 2389 2390 error = kern_clock_gettime(td, uap->clock_id, &ats); 2391 if (error == 0) { 2392 CP(ats, ats32, tv_sec); 2393 CP(ats, ats32, tv_nsec); 2394 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2395 } 2396 return (error); 2397} 2398 2399int 2400freebsd32_clock_settime(struct thread *td, 2401 struct freebsd32_clock_settime_args *uap) 2402{ 2403 struct timespec ats; 2404 struct timespec32 ats32; 2405 int error; 2406 2407 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2408 if (error) 2409 return (error); 2410 CP(ats32, ats, tv_sec); 2411 CP(ats32, ats, tv_nsec); 2412 2413 return (kern_clock_settime(td, uap->clock_id, &ats)); 2414} 2415 2416int 2417freebsd32_clock_getres(struct thread *td, 2418 struct freebsd32_clock_getres_args *uap) 2419{ 2420 struct timespec ts; 2421 struct timespec32 ts32; 2422 int error; 2423 2424 if (uap->tp == NULL) 2425 return (0); 2426 error = kern_clock_getres(td, uap->clock_id, &ts); 2427 if (error == 0) { 2428 CP(ts, ts32, tv_sec); 2429 CP(ts, ts32, tv_nsec); 2430 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2431 } 2432 return (error); 2433} 2434 2435int freebsd32_ktimer_create(struct thread *td, 2436 struct freebsd32_ktimer_create_args *uap) 2437{ 2438 struct sigevent32 ev32; 2439 struct sigevent ev, *evp; 2440 int error, id; 2441 2442 if (uap->evp == NULL) { 2443 evp = NULL; 2444 } else { 2445 evp = &ev; 2446 error = copyin(uap->evp, &ev32, sizeof(ev32)); 2447 if (error != 0) 2448 return (error); 2449 error = convert_sigevent32(&ev32, &ev); 2450 if (error != 0) 2451 return (error); 2452 } 2453 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1); 2454 if (error == 0) { 2455 error = copyout(&id, uap->timerid, sizeof(int)); 2456 if (error != 0) 2457 kern_ktimer_delete(td, id); 2458 } 2459 return (error); 2460} 2461 2462int 2463freebsd32_ktimer_settime(struct thread *td, 2464 struct freebsd32_ktimer_settime_args *uap) 2465{ 2466 struct itimerspec32 val32, oval32; 2467 struct itimerspec val, oval, *ovalp; 2468 int error; 2469 2470 error = copyin(uap->value, &val32, sizeof(val32)); 2471 if (error != 0) 2472 return (error); 2473 ITS_CP(val32, val); 2474 ovalp = uap->ovalue != NULL ? &oval : NULL; 2475 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp); 2476 if (error == 0 && uap->ovalue != NULL) { 2477 ITS_CP(oval, oval32); 2478 error = copyout(&oval32, uap->ovalue, sizeof(oval32)); 2479 } 2480 return (error); 2481} 2482 2483int 2484freebsd32_ktimer_gettime(struct thread *td, 2485 struct freebsd32_ktimer_gettime_args *uap) 2486{ 2487 struct itimerspec32 val32; 2488 struct itimerspec val; 2489 int error; 2490 2491 error = kern_ktimer_gettime(td, uap->timerid, &val); 2492 if (error == 0) { 2493 ITS_CP(val, val32); 2494 error = copyout(&val32, uap->value, sizeof(val32)); 2495 } 2496 return (error); 2497} 2498 2499int 2500freebsd32_clock_getcpuclockid2(struct thread *td, 2501 struct freebsd32_clock_getcpuclockid2_args *uap) 2502{ 2503 clockid_t clk_id; 2504 int error; 2505 2506 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id), 2507 uap->which, &clk_id); 2508 if (error == 0) 2509 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t)); 2510 return (error); 2511} 2512 2513int 2514freebsd32_thr_new(struct thread *td, 2515 struct freebsd32_thr_new_args *uap) 2516{ 2517 struct thr_param32 param32; 2518 struct thr_param param; 2519 int error; 2520 2521 if (uap->param_size < 0 || 2522 uap->param_size > sizeof(struct thr_param32)) 2523 return (EINVAL); 2524 bzero(¶m, sizeof(struct thr_param)); 2525 bzero(¶m32, sizeof(struct thr_param32)); 2526 error = copyin(uap->param, ¶m32, uap->param_size); 2527 if (error != 0) 2528 return (error); 2529 param.start_func = PTRIN(param32.start_func); 2530 param.arg = PTRIN(param32.arg); 2531 param.stack_base = PTRIN(param32.stack_base); 2532 param.stack_size = param32.stack_size; 2533 param.tls_base = PTRIN(param32.tls_base); 2534 param.tls_size = param32.tls_size; 2535 param.child_tid = PTRIN(param32.child_tid); 2536 param.parent_tid = PTRIN(param32.parent_tid); 2537 param.flags = param32.flags; 2538 param.rtp = PTRIN(param32.rtp); 2539 param.spare[0] = PTRIN(param32.spare[0]); 2540 param.spare[1] = PTRIN(param32.spare[1]); 2541 param.spare[2] = PTRIN(param32.spare[2]); 2542 2543 return (kern_thr_new(td, ¶m)); 2544} 2545 2546int 2547freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2548{ 2549 struct timespec32 ts32; 2550 struct timespec ts, *tsp; 2551 int error; 2552 2553 error = 0; 2554 tsp = NULL; 2555 if (uap->timeout != NULL) { 2556 error = copyin((const void *)uap->timeout, (void *)&ts32, 2557 sizeof(struct timespec32)); 2558 if (error != 0) 2559 return (error); 2560 ts.tv_sec = ts32.tv_sec; 2561 ts.tv_nsec = ts32.tv_nsec; 2562 tsp = &ts; 2563 } 2564 return (kern_thr_suspend(td, tsp)); 2565} 2566 2567void 2568siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2569{ 2570 bzero(dst, sizeof(*dst)); 2571 dst->si_signo = src->si_signo; 2572 dst->si_errno = src->si_errno; 2573 dst->si_code = src->si_code; 2574 dst->si_pid = src->si_pid; 2575 dst->si_uid = src->si_uid; 2576 dst->si_status = src->si_status; 2577 dst->si_addr = (uintptr_t)src->si_addr; 2578 dst->si_value.sival_int = src->si_value.sival_int; 2579 dst->si_timerid = src->si_timerid; 2580 dst->si_overrun = src->si_overrun; 2581} 2582 2583int 2584freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2585{ 2586 struct timespec32 ts32; 2587 struct timespec ts; 2588 struct timespec *timeout; 2589 sigset_t set; 2590 ksiginfo_t ksi; 2591 struct siginfo32 si32; 2592 int error; 2593 2594 if (uap->timeout) { 2595 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2596 if (error) 2597 return (error); 2598 ts.tv_sec = ts32.tv_sec; 2599 ts.tv_nsec = ts32.tv_nsec; 2600 timeout = &ts; 2601 } else 2602 timeout = NULL; 2603 2604 error = copyin(uap->set, &set, sizeof(set)); 2605 if (error) 2606 return (error); 2607 2608 error = kern_sigtimedwait(td, set, &ksi, timeout); 2609 if (error) 2610 return (error); 2611 2612 if (uap->info) { 2613 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2614 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2615 } 2616 2617 if (error == 0) 2618 td->td_retval[0] = ksi.ksi_signo; 2619 return (error); 2620} 2621 2622/* 2623 * MPSAFE 2624 */ 2625int 2626freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2627{ 2628 ksiginfo_t ksi; 2629 struct siginfo32 si32; 2630 sigset_t set; 2631 int error; 2632 2633 error = copyin(uap->set, &set, sizeof(set)); 2634 if (error) 2635 return (error); 2636 2637 error = kern_sigtimedwait(td, set, &ksi, NULL); 2638 if (error) 2639 return (error); 2640 2641 if (uap->info) { 2642 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2643 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2644 } 2645 if (error == 0) 2646 td->td_retval[0] = ksi.ksi_signo; 2647 return (error); 2648} 2649 2650int 2651freebsd32_cpuset_setid(struct thread *td, 2652 struct freebsd32_cpuset_setid_args *uap) 2653{ 2654 struct cpuset_setid_args ap; 2655 2656 ap.which = uap->which; 2657 ap.id = PAIR32TO64(id_t,uap->id); 2658 ap.setid = uap->setid; 2659 2660 return (sys_cpuset_setid(td, &ap)); 2661} 2662 2663int 2664freebsd32_cpuset_getid(struct thread *td, 2665 struct freebsd32_cpuset_getid_args *uap) 2666{ 2667 struct cpuset_getid_args ap; 2668 2669 ap.level = uap->level; 2670 ap.which = uap->which; 2671 ap.id = PAIR32TO64(id_t,uap->id); 2672 ap.setid = uap->setid; 2673 2674 return (sys_cpuset_getid(td, &ap)); 2675} 2676 2677int 2678freebsd32_cpuset_getaffinity(struct thread *td, 2679 struct freebsd32_cpuset_getaffinity_args *uap) 2680{ 2681 struct cpuset_getaffinity_args ap; 2682 2683 ap.level = uap->level; 2684 ap.which = uap->which; 2685 ap.id = PAIR32TO64(id_t,uap->id); 2686 ap.cpusetsize = uap->cpusetsize; 2687 ap.mask = uap->mask; 2688 2689 return (sys_cpuset_getaffinity(td, &ap)); 2690} 2691 2692int 2693freebsd32_cpuset_setaffinity(struct thread *td, 2694 struct freebsd32_cpuset_setaffinity_args *uap) 2695{ 2696 struct cpuset_setaffinity_args ap; 2697 2698 ap.level = uap->level; 2699 ap.which = uap->which; 2700 ap.id = PAIR32TO64(id_t,uap->id); 2701 ap.cpusetsize = uap->cpusetsize; 2702 ap.mask = uap->mask; 2703 2704 return (sys_cpuset_setaffinity(td, &ap)); 2705} 2706 2707int 2708freebsd32_nmount(struct thread *td, 2709 struct freebsd32_nmount_args /* { 2710 struct iovec *iovp; 2711 unsigned int iovcnt; 2712 int flags; 2713 } */ *uap) 2714{ 2715 struct uio *auio; 2716 uint64_t flags; 2717 int error; 2718 2719 /* 2720 * Mount flags are now 64-bits. On 32-bit archtectures only 2721 * 32-bits are passed in, but from here on everything handles 2722 * 64-bit flags correctly. 2723 */ 2724 flags = uap->flags; 2725 2726 AUDIT_ARG_FFLAGS(flags); 2727 2728 /* 2729 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2730 * userspace to set this flag, but we must filter it out if we want 2731 * MNT_UPDATE on the root file system to work. 2732 * MNT_ROOTFS should only be set by the kernel when mounting its 2733 * root file system. 2734 */ 2735 flags &= ~MNT_ROOTFS; 2736 2737 /* 2738 * check that we have an even number of iovec's 2739 * and that we have at least two options. 2740 */ 2741 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2742 return (EINVAL); 2743 2744 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2745 if (error) 2746 return (error); 2747 error = vfs_donmount(td, flags, auio); 2748 2749 free(auio, M_IOV); 2750 return error; 2751} 2752 2753#if 0 2754int 2755freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2756{ 2757 struct yyy32 *p32, s32; 2758 struct yyy *p = NULL, s; 2759 struct xxx_arg ap; 2760 int error; 2761 2762 if (uap->zzz) { 2763 error = copyin(uap->zzz, &s32, sizeof(s32)); 2764 if (error) 2765 return (error); 2766 /* translate in */ 2767 p = &s; 2768 } 2769 error = kern_xxx(td, p); 2770 if (error) 2771 return (error); 2772 if (uap->zzz) { 2773 /* translate out */ 2774 error = copyout(&s32, p32, sizeof(s32)); 2775 } 2776 return (error); 2777} 2778#endif 2779 2780int 2781syscall32_register(int *offset, struct sysent *new_sysent, 2782 struct sysent *old_sysent) 2783{ 2784 if (*offset == NO_SYSCALL) { 2785 int i; 2786 2787 for (i = 1; i < SYS_MAXSYSCALL; ++i) 2788 if (freebsd32_sysent[i].sy_call == 2789 (sy_call_t *)lkmnosys) 2790 break; 2791 if (i == SYS_MAXSYSCALL) 2792 return (ENFILE); 2793 *offset = i; 2794 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2795 return (EINVAL); 2796 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2797 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2798 return (EEXIST); 2799 2800 *old_sysent = freebsd32_sysent[*offset]; 2801 freebsd32_sysent[*offset] = *new_sysent; 2802 return 0; 2803} 2804 2805int 2806syscall32_deregister(int *offset, struct sysent *old_sysent) 2807{ 2808 2809 if (*offset) 2810 freebsd32_sysent[*offset] = *old_sysent; 2811 return 0; 2812} 2813 2814int 2815syscall32_module_handler(struct module *mod, int what, void *arg) 2816{ 2817 struct syscall_module_data *data = (struct syscall_module_data*)arg; 2818 modspecific_t ms; 2819 int error; 2820 2821 switch (what) { 2822 case MOD_LOAD: 2823 error = syscall32_register(data->offset, data->new_sysent, 2824 &data->old_sysent); 2825 if (error) { 2826 /* Leave a mark so we know to safely unload below. */ 2827 data->offset = NULL; 2828 return error; 2829 } 2830 ms.intval = *data->offset; 2831 MOD_XLOCK; 2832 module_setspecific(mod, &ms); 2833 MOD_XUNLOCK; 2834 if (data->chainevh) 2835 error = data->chainevh(mod, what, data->chainarg); 2836 return (error); 2837 case MOD_UNLOAD: 2838 /* 2839 * MOD_LOAD failed, so just return without calling the 2840 * chained handler since we didn't pass along the MOD_LOAD 2841 * event. 2842 */ 2843 if (data->offset == NULL) 2844 return (0); 2845 if (data->chainevh) { 2846 error = data->chainevh(mod, what, data->chainarg); 2847 if (error) 2848 return (error); 2849 } 2850 error = syscall32_deregister(data->offset, &data->old_sysent); 2851 return (error); 2852 default: 2853 error = EOPNOTSUPP; 2854 if (data->chainevh) 2855 error = data->chainevh(mod, what, data->chainarg); 2856 return (error); 2857 } 2858} 2859 2860int 2861syscall32_helper_register(struct syscall_helper_data *sd) 2862{ 2863 struct syscall_helper_data *sd1; 2864 int error; 2865 2866 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) { 2867 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent, 2868 &sd1->old_sysent); 2869 if (error != 0) { 2870 syscall32_helper_unregister(sd); 2871 return (error); 2872 } 2873 sd1->registered = 1; 2874 } 2875 return (0); 2876} 2877 2878int 2879syscall32_helper_unregister(struct syscall_helper_data *sd) 2880{ 2881 struct syscall_helper_data *sd1; 2882 2883 for (sd1 = sd; sd1->registered != 0; sd1++) { 2884 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent); 2885 sd1->registered = 0; 2886 } 2887 return (0); 2888} 2889 2890register_t * 2891freebsd32_copyout_strings(struct image_params *imgp) 2892{ 2893 int argc, envc, i; 2894 u_int32_t *vectp; 2895 char *stringp; 2896 uintptr_t destp; 2897 u_int32_t *stack_base; 2898 struct freebsd32_ps_strings *arginfo; 2899 char canary[sizeof(long) * 8]; 2900 int32_t pagesizes32[MAXPAGESIZES]; 2901 size_t execpath_len; 2902 int szsigcode; 2903 2904 /* 2905 * Calculate string base and vector table pointers. 2906 * Also deal with signal trampoline code for this exec type. 2907 */ 2908 if (imgp->execpath != NULL && imgp->auxargs != NULL) 2909 execpath_len = strlen(imgp->execpath) + 1; 2910 else 2911 execpath_len = 0; 2912 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 2913 sv_psstrings; 2914 if (imgp->proc->p_sysent->sv_sigcode_base == 0) 2915 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 2916 else 2917 szsigcode = 0; 2918 destp = (uintptr_t)arginfo; 2919 2920 /* 2921 * install sigcode 2922 */ 2923 if (szsigcode != 0) { 2924 destp -= szsigcode; 2925 destp = rounddown2(destp, sizeof(uint32_t)); 2926 copyout(imgp->proc->p_sysent->sv_sigcode, (void *)destp, 2927 szsigcode); 2928 } 2929 2930 /* 2931 * Copy the image path for the rtld. 2932 */ 2933 if (execpath_len != 0) { 2934 destp -= execpath_len; 2935 imgp->execpathp = destp; 2936 copyout(imgp->execpath, (void *)destp, execpath_len); 2937 } 2938 2939 /* 2940 * Prepare the canary for SSP. 2941 */ 2942 arc4rand(canary, sizeof(canary), 0); 2943 destp -= sizeof(canary); 2944 imgp->canary = destp; 2945 copyout(canary, (void *)destp, sizeof(canary)); 2946 imgp->canarylen = sizeof(canary); 2947 2948 /* 2949 * Prepare the pagesizes array. 2950 */ 2951 for (i = 0; i < MAXPAGESIZES; i++) 2952 pagesizes32[i] = (uint32_t)pagesizes[i]; 2953 destp -= sizeof(pagesizes32); 2954 destp = rounddown2(destp, sizeof(uint32_t)); 2955 imgp->pagesizes = destp; 2956 copyout(pagesizes32, (void *)destp, sizeof(pagesizes32)); 2957 imgp->pagesizeslen = sizeof(pagesizes32); 2958 2959 destp -= ARG_MAX - imgp->args->stringspace; 2960 destp = rounddown2(destp, sizeof(uint32_t)); 2961 2962 /* 2963 * If we have a valid auxargs ptr, prepare some room 2964 * on the stack. 2965 */ 2966 if (imgp->auxargs) { 2967 /* 2968 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 2969 * lower compatibility. 2970 */ 2971 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 2972 : (AT_COUNT * 2); 2973 /* 2974 * The '+ 2' is for the null pointers at the end of each of 2975 * the arg and env vector sets,and imgp->auxarg_size is room 2976 * for argument of Runtime loader. 2977 */ 2978 vectp = (u_int32_t *) (destp - (imgp->args->argc + 2979 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 2980 sizeof(u_int32_t)); 2981 } else { 2982 /* 2983 * The '+ 2' is for the null pointers at the end of each of 2984 * the arg and env vector sets 2985 */ 2986 vectp = (u_int32_t *)(destp - (imgp->args->argc + 2987 imgp->args->envc + 2) * sizeof(u_int32_t)); 2988 } 2989 2990 /* 2991 * vectp also becomes our initial stack base 2992 */ 2993 stack_base = vectp; 2994 2995 stringp = imgp->args->begin_argv; 2996 argc = imgp->args->argc; 2997 envc = imgp->args->envc; 2998 /* 2999 * Copy out strings - arguments and environment. 3000 */ 3001 copyout(stringp, (void *)destp, ARG_MAX - imgp->args->stringspace); 3002 3003 /* 3004 * Fill in "ps_strings" struct for ps, w, etc. 3005 */ 3006 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 3007 suword32(&arginfo->ps_nargvstr, argc); 3008 3009 /* 3010 * Fill in argument portion of vector table. 3011 */ 3012 for (; argc > 0; --argc) { 3013 suword32(vectp++, (u_int32_t)(intptr_t)destp); 3014 while (*stringp++ != 0) 3015 destp++; 3016 destp++; 3017 } 3018 3019 /* a null vector table pointer separates the argp's from the envp's */ 3020 suword32(vectp++, 0); 3021 3022 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 3023 suword32(&arginfo->ps_nenvstr, envc); 3024 3025 /* 3026 * Fill in environment portion of vector table. 3027 */ 3028 for (; envc > 0; --envc) { 3029 suword32(vectp++, (u_int32_t)(intptr_t)destp); 3030 while (*stringp++ != 0) 3031 destp++; 3032 destp++; 3033 } 3034 3035 /* end of vector table is a null pointer */ 3036 suword32(vectp, 0); 3037 3038 return ((register_t *)stack_base); 3039} 3040 3041int 3042freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap) 3043{ 3044 struct kld_file_stat stat; 3045 struct kld32_file_stat stat32; 3046 int error, version; 3047 3048 if ((error = copyin(&uap->stat->version, &version, sizeof(version))) 3049 != 0) 3050 return (error); 3051 if (version != sizeof(struct kld32_file_stat_1) && 3052 version != sizeof(struct kld32_file_stat)) 3053 return (EINVAL); 3054 3055 error = kern_kldstat(td, uap->fileid, &stat); 3056 if (error != 0) 3057 return (error); 3058 3059 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name)); 3060 CP(stat, stat32, refs); 3061 CP(stat, stat32, id); 3062 PTROUT_CP(stat, stat32, address); 3063 CP(stat, stat32, size); 3064 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname)); 3065 return (copyout(&stat32, uap->stat, version)); 3066} 3067 3068int 3069freebsd32_posix_fallocate(struct thread *td, 3070 struct freebsd32_posix_fallocate_args *uap) 3071{ 3072 3073 td->td_retval[0] = kern_posix_fallocate(td, uap->fd, 3074 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len)); 3075 return (0); 3076} 3077 3078int 3079freebsd32_posix_fadvise(struct thread *td, 3080 struct freebsd32_posix_fadvise_args *uap) 3081{ 3082 3083 td->td_retval[0] = kern_posix_fadvise(td, uap->fd, 3084 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len), 3085 uap->advice); 3086 return (0); 3087} 3088 3089int 3090convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig) 3091{ 3092 3093 CP(*sig32, *sig, sigev_notify); 3094 switch (sig->sigev_notify) { 3095 case SIGEV_NONE: 3096 break; 3097 case SIGEV_THREAD_ID: 3098 CP(*sig32, *sig, sigev_notify_thread_id); 3099 /* FALLTHROUGH */ 3100 case SIGEV_SIGNAL: 3101 CP(*sig32, *sig, sigev_signo); 3102 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3103 break; 3104 case SIGEV_KEVENT: 3105 CP(*sig32, *sig, sigev_notify_kqueue); 3106 CP(*sig32, *sig, sigev_notify_kevent_flags); 3107 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3108 break; 3109 default: 3110 return (EINVAL); 3111 } 3112 return (0); 3113} 3114 3115int 3116freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap) 3117{ 3118 void *data; 3119 union { 3120 struct procctl_reaper_status rs; 3121 struct procctl_reaper_pids rp; 3122 struct procctl_reaper_kill rk; 3123 } x; 3124 union { 3125 struct procctl_reaper_pids32 rp; 3126 } x32; 3127 int error, error1, flags; 3128 3129 switch (uap->com) { 3130 case PROC_SPROTECT: 3131 case PROC_TRACE_CTL: 3132 error = copyin(PTRIN(uap->data), &flags, sizeof(flags)); 3133 if (error != 0) 3134 return (error); 3135 data = &flags; 3136 break; 3137 case PROC_REAP_ACQUIRE: 3138 case PROC_REAP_RELEASE: 3139 if (uap->data != NULL) 3140 return (EINVAL); 3141 data = NULL; 3142 break; 3143 case PROC_REAP_STATUS: 3144 data = &x.rs; 3145 break; 3146 case PROC_REAP_GETPIDS: 3147 error = copyin(uap->data, &x32.rp, sizeof(x32.rp)); 3148 if (error != 0) 3149 return (error); 3150 CP(x32.rp, x.rp, rp_count); 3151 PTRIN_CP(x32.rp, x.rp, rp_pids); 3152 data = &x.rp; 3153 break; 3154 case PROC_REAP_KILL: 3155 error = copyin(uap->data, &x.rk, sizeof(x.rk)); 3156 if (error != 0) 3157 return (error); 3158 data = &x.rk; 3159 break; 3160 case PROC_TRACE_STATUS: 3161 data = &flags; 3162 break; 3163 default: 3164 return (EINVAL); 3165 } 3166 error = kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id), 3167 uap->com, data); 3168 switch (uap->com) { 3169 case PROC_REAP_STATUS: 3170 if (error == 0) 3171 error = copyout(&x.rs, uap->data, sizeof(x.rs)); 3172 break; 3173 case PROC_REAP_KILL: 3174 error1 = copyout(&x.rk, uap->data, sizeof(x.rk)); 3175 if (error == 0) 3176 error = error1; 3177 break; 3178 case PROC_TRACE_STATUS: 3179 if (error == 0) 3180 error = copyout(&flags, uap->data, sizeof(flags)); 3181 break; 3182 } 3183 return (error); 3184} 3185 3186int 3187freebsd32_fcntl(struct thread *td, struct freebsd32_fcntl_args *uap) 3188{ 3189 long tmp; 3190 3191 switch (uap->cmd) { 3192 /* 3193 * Do unsigned conversion for arg when operation 3194 * interprets it as flags or pointer. 3195 */ 3196 case F_SETLK_REMOTE: 3197 case F_SETLKW: 3198 case F_SETLK: 3199 case F_GETLK: 3200 case F_SETFD: 3201 case F_SETFL: 3202 case F_OGETLK: 3203 case F_OSETLK: 3204 case F_OSETLKW: 3205 tmp = (unsigned int)(uap->arg); 3206 break; 3207 default: 3208 tmp = uap->arg; 3209 break; 3210 } 3211 return (kern_fcntl_freebsd(td, uap->fd, uap->cmd, tmp)); 3212} 3213 3214int 3215freebsd32_ppoll(struct thread *td, struct freebsd32_ppoll_args *uap) 3216{ 3217 struct timespec32 ts32; 3218 struct timespec ts, *tsp; 3219 sigset_t set, *ssp; 3220 int error; 3221 3222 if (uap->ts != NULL) { 3223 error = copyin(uap->ts, &ts32, sizeof(ts32)); 3224 if (error != 0) 3225 return (error); 3226 CP(ts32, ts, tv_sec); 3227 CP(ts32, ts, tv_nsec); 3228 tsp = &ts; 3229 } else 3230 tsp = NULL; 3231 if (uap->set != NULL) { 3232 error = copyin(uap->set, &set, sizeof(set)); 3233 if (error != 0) 3234 return (error); 3235 ssp = &set; 3236 } else 3237 ssp = NULL; 3238 3239 return (kern_poll(td, uap->fds, uap->nfds, tsp, ssp)); 3240} 3241