freebsd32_misc.c revision 258718
1/*- 2 * Copyright (c) 2002 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> 28__FBSDID("$FreeBSD: head/sys/compat/freebsd32/freebsd32_misc.c 258718 2013-11-28 19:40:33Z peter $"); 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/capability.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, struct freebsd4_freebsd32_getfsstat_args *uap) 248{ 249 struct statfs *buf, *sp; 250 struct statfs32 stat32; 251 size_t count, size; 252 int error; 253 254 count = uap->bufsize / sizeof(struct statfs32); 255 size = count * sizeof(struct statfs); 256 error = kern_getfsstat(td, &buf, size, UIO_SYSSPACE, uap->flags); 257 if (size > 0) { 258 count = td->td_retval[0]; 259 sp = buf; 260 while (count > 0 && error == 0) { 261 copy_statfs(sp, &stat32); 262 error = copyout(&stat32, uap->buf, sizeof(stat32)); 263 sp++; 264 uap->buf++; 265 count--; 266 } 267 free(buf, M_TEMP); 268 } 269 return (error); 270} 271#endif 272 273int 274freebsd32_sigaltstack(struct thread *td, 275 struct freebsd32_sigaltstack_args *uap) 276{ 277 struct sigaltstack32 s32; 278 struct sigaltstack ss, oss, *ssp; 279 int error; 280 281 if (uap->ss != NULL) { 282 error = copyin(uap->ss, &s32, sizeof(s32)); 283 if (error) 284 return (error); 285 PTRIN_CP(s32, ss, ss_sp); 286 CP(s32, ss, ss_size); 287 CP(s32, ss, ss_flags); 288 ssp = &ss; 289 } else 290 ssp = NULL; 291 error = kern_sigaltstack(td, ssp, &oss); 292 if (error == 0 && uap->oss != NULL) { 293 PTROUT_CP(oss, s32, ss_sp); 294 CP(oss, s32, ss_size); 295 CP(oss, s32, ss_flags); 296 error = copyout(&s32, uap->oss, sizeof(s32)); 297 } 298 return (error); 299} 300 301/* 302 * Custom version of exec_copyin_args() so that we can translate 303 * the pointers. 304 */ 305int 306freebsd32_exec_copyin_args(struct image_args *args, char *fname, 307 enum uio_seg segflg, u_int32_t *argv, u_int32_t *envv) 308{ 309 char *argp, *envp; 310 u_int32_t *p32, arg; 311 size_t length; 312 int error; 313 314 bzero(args, sizeof(*args)); 315 if (argv == NULL) 316 return (EFAULT); 317 318 /* 319 * Allocate demand-paged memory for the file name, argument, and 320 * environment strings. 321 */ 322 error = exec_alloc_args(args); 323 if (error != 0) 324 return (error); 325 326 /* 327 * Copy the file name. 328 */ 329 if (fname != NULL) { 330 args->fname = args->buf; 331 error = (segflg == UIO_SYSSPACE) ? 332 copystr(fname, args->fname, PATH_MAX, &length) : 333 copyinstr(fname, args->fname, PATH_MAX, &length); 334 if (error != 0) 335 goto err_exit; 336 } else 337 length = 0; 338 339 args->begin_argv = args->buf + length; 340 args->endp = args->begin_argv; 341 args->stringspace = ARG_MAX; 342 343 /* 344 * extract arguments first 345 */ 346 p32 = argv; 347 for (;;) { 348 error = copyin(p32++, &arg, sizeof(arg)); 349 if (error) 350 goto err_exit; 351 if (arg == 0) 352 break; 353 argp = PTRIN(arg); 354 error = copyinstr(argp, args->endp, args->stringspace, &length); 355 if (error) { 356 if (error == ENAMETOOLONG) 357 error = E2BIG; 358 goto err_exit; 359 } 360 args->stringspace -= length; 361 args->endp += length; 362 args->argc++; 363 } 364 365 args->begin_envv = args->endp; 366 367 /* 368 * extract environment strings 369 */ 370 if (envv) { 371 p32 = envv; 372 for (;;) { 373 error = copyin(p32++, &arg, sizeof(arg)); 374 if (error) 375 goto err_exit; 376 if (arg == 0) 377 break; 378 envp = PTRIN(arg); 379 error = copyinstr(envp, args->endp, args->stringspace, 380 &length); 381 if (error) { 382 if (error == ENAMETOOLONG) 383 error = E2BIG; 384 goto err_exit; 385 } 386 args->stringspace -= length; 387 args->endp += length; 388 args->envc++; 389 } 390 } 391 392 return (0); 393 394err_exit: 395 exec_free_args(args); 396 return (error); 397} 398 399int 400freebsd32_execve(struct thread *td, struct freebsd32_execve_args *uap) 401{ 402 struct image_args eargs; 403 int error; 404 405 error = freebsd32_exec_copyin_args(&eargs, uap->fname, UIO_USERSPACE, 406 uap->argv, uap->envv); 407 if (error == 0) 408 error = kern_execve(td, &eargs, NULL); 409 return (error); 410} 411 412int 413freebsd32_fexecve(struct thread *td, struct freebsd32_fexecve_args *uap) 414{ 415 struct image_args eargs; 416 int error; 417 418 error = freebsd32_exec_copyin_args(&eargs, NULL, UIO_SYSSPACE, 419 uap->argv, uap->envv); 420 if (error == 0) { 421 eargs.fd = uap->fd; 422 error = kern_execve(td, &eargs, NULL); 423 } 424 return (error); 425} 426 427#ifdef __ia64__ 428static int 429freebsd32_mmap_partial(struct thread *td, vm_offset_t start, vm_offset_t end, 430 int prot, int fd, off_t pos) 431{ 432 vm_map_t map; 433 vm_map_entry_t entry; 434 int rv; 435 436 map = &td->td_proc->p_vmspace->vm_map; 437 if (fd != -1) 438 prot |= VM_PROT_WRITE; 439 440 if (vm_map_lookup_entry(map, start, &entry)) { 441 if ((entry->protection & prot) != prot) { 442 rv = vm_map_protect(map, 443 trunc_page(start), 444 round_page(end), 445 entry->protection | prot, 446 FALSE); 447 if (rv != KERN_SUCCESS) 448 return (EINVAL); 449 } 450 } else { 451 vm_offset_t addr = trunc_page(start); 452 rv = vm_map_find(map, NULL, 0, &addr, PAGE_SIZE, 0, 453 VMFS_NO_SPACE, prot, VM_PROT_ALL, 0); 454 if (rv != KERN_SUCCESS) 455 return (EINVAL); 456 } 457 458 if (fd != -1) { 459 struct pread_args r; 460 r.fd = fd; 461 r.buf = (void *) start; 462 r.nbyte = end - start; 463 r.offset = pos; 464 return (sys_pread(td, &r)); 465 } else { 466 while (start < end) { 467 subyte((void *) start, 0); 468 start++; 469 } 470 return (0); 471 } 472} 473#endif 474 475int 476freebsd32_mprotect(struct thread *td, struct freebsd32_mprotect_args *uap) 477{ 478 struct mprotect_args ap; 479 480 ap.addr = PTRIN(uap->addr); 481 ap.len = uap->len; 482 ap.prot = uap->prot; 483#if defined(__amd64__) || defined(__ia64__) 484 if (i386_read_exec && (ap.prot & PROT_READ) != 0) 485 ap.prot |= PROT_EXEC; 486#endif 487 return (sys_mprotect(td, &ap)); 488} 489 490int 491freebsd32_mmap(struct thread *td, struct freebsd32_mmap_args *uap) 492{ 493 struct mmap_args ap; 494 vm_offset_t addr = (vm_offset_t) uap->addr; 495 vm_size_t len = uap->len; 496 int prot = uap->prot; 497 int flags = uap->flags; 498 int fd = uap->fd; 499 off_t pos = PAIR32TO64(off_t,uap->pos); 500#ifdef __ia64__ 501 vm_size_t pageoff; 502 int error; 503 504 /* 505 * Attempt to handle page size hassles. 506 */ 507 pageoff = (pos & PAGE_MASK); 508 if (flags & MAP_FIXED) { 509 vm_offset_t start, end; 510 start = addr; 511 end = addr + len; 512 513 if (start != trunc_page(start)) { 514 error = freebsd32_mmap_partial(td, start, 515 round_page(start), prot, 516 fd, pos); 517 if (fd != -1) 518 pos += round_page(start) - start; 519 start = round_page(start); 520 } 521 if (end != round_page(end)) { 522 vm_offset_t t = trunc_page(end); 523 error = freebsd32_mmap_partial(td, t, end, 524 prot, fd, 525 pos + t - start); 526 end = trunc_page(end); 527 } 528 if (end > start && fd != -1 && (pos & PAGE_MASK)) { 529 /* 530 * We can't map this region at all. The specified 531 * address doesn't have the same alignment as the file 532 * position. Fake the mapping by simply reading the 533 * entire region into memory. First we need to make 534 * sure the region exists. 535 */ 536 vm_map_t map; 537 struct pread_args r; 538 int rv; 539 540 prot |= VM_PROT_WRITE; 541 map = &td->td_proc->p_vmspace->vm_map; 542 rv = vm_map_remove(map, start, end); 543 if (rv != KERN_SUCCESS) 544 return (EINVAL); 545 rv = vm_map_find(map, NULL, 0, &start, end - start, 546 0, VMFS_NO_SPACE, prot, VM_PROT_ALL, 0); 547 if (rv != KERN_SUCCESS) 548 return (EINVAL); 549 r.fd = fd; 550 r.buf = (void *) start; 551 r.nbyte = end - start; 552 r.offset = pos; 553 error = sys_pread(td, &r); 554 if (error) 555 return (error); 556 557 td->td_retval[0] = addr; 558 return (0); 559 } 560 if (end == start) { 561 /* 562 * After dealing with the ragged ends, there 563 * might be none left. 564 */ 565 td->td_retval[0] = addr; 566 return (0); 567 } 568 addr = start; 569 len = end - start; 570 } 571#endif 572 573#if defined(__amd64__) || defined(__ia64__) 574 if (i386_read_exec && (prot & PROT_READ)) 575 prot |= PROT_EXEC; 576#endif 577 578 ap.addr = (void *) addr; 579 ap.len = len; 580 ap.prot = prot; 581 ap.flags = flags; 582 ap.fd = fd; 583 ap.pos = pos; 584 585 return (sys_mmap(td, &ap)); 586} 587 588#ifdef COMPAT_FREEBSD6 589int 590freebsd6_freebsd32_mmap(struct thread *td, struct freebsd6_freebsd32_mmap_args *uap) 591{ 592 struct freebsd32_mmap_args ap; 593 594 ap.addr = uap->addr; 595 ap.len = uap->len; 596 ap.prot = uap->prot; 597 ap.flags = uap->flags; 598 ap.fd = uap->fd; 599 ap.pos1 = uap->pos1; 600 ap.pos2 = uap->pos2; 601 602 return (freebsd32_mmap(td, &ap)); 603} 604#endif 605 606int 607freebsd32_setitimer(struct thread *td, struct freebsd32_setitimer_args *uap) 608{ 609 struct itimerval itv, oitv, *itvp; 610 struct itimerval32 i32; 611 int error; 612 613 if (uap->itv != NULL) { 614 error = copyin(uap->itv, &i32, sizeof(i32)); 615 if (error) 616 return (error); 617 TV_CP(i32, itv, it_interval); 618 TV_CP(i32, itv, it_value); 619 itvp = &itv; 620 } else 621 itvp = NULL; 622 error = kern_setitimer(td, uap->which, itvp, &oitv); 623 if (error || uap->oitv == NULL) 624 return (error); 625 TV_CP(oitv, i32, it_interval); 626 TV_CP(oitv, i32, it_value); 627 return (copyout(&i32, uap->oitv, sizeof(i32))); 628} 629 630int 631freebsd32_getitimer(struct thread *td, struct freebsd32_getitimer_args *uap) 632{ 633 struct itimerval itv; 634 struct itimerval32 i32; 635 int error; 636 637 error = kern_getitimer(td, uap->which, &itv); 638 if (error || uap->itv == NULL) 639 return (error); 640 TV_CP(itv, i32, it_interval); 641 TV_CP(itv, i32, it_value); 642 return (copyout(&i32, uap->itv, sizeof(i32))); 643} 644 645int 646freebsd32_select(struct thread *td, struct freebsd32_select_args *uap) 647{ 648 struct timeval32 tv32; 649 struct timeval tv, *tvp; 650 int error; 651 652 if (uap->tv != NULL) { 653 error = copyin(uap->tv, &tv32, sizeof(tv32)); 654 if (error) 655 return (error); 656 CP(tv32, tv, tv_sec); 657 CP(tv32, tv, tv_usec); 658 tvp = &tv; 659 } else 660 tvp = NULL; 661 /* 662 * XXX Do pointers need PTRIN()? 663 */ 664 return (kern_select(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 665 sizeof(int32_t) * 8)); 666} 667 668int 669freebsd32_pselect(struct thread *td, struct freebsd32_pselect_args *uap) 670{ 671 struct timespec32 ts32; 672 struct timespec ts; 673 struct timeval tv, *tvp; 674 sigset_t set, *uset; 675 int error; 676 677 if (uap->ts != NULL) { 678 error = copyin(uap->ts, &ts32, sizeof(ts32)); 679 if (error != 0) 680 return (error); 681 CP(ts32, ts, tv_sec); 682 CP(ts32, ts, tv_nsec); 683 TIMESPEC_TO_TIMEVAL(&tv, &ts); 684 tvp = &tv; 685 } else 686 tvp = NULL; 687 if (uap->sm != NULL) { 688 error = copyin(uap->sm, &set, sizeof(set)); 689 if (error != 0) 690 return (error); 691 uset = &set; 692 } else 693 uset = NULL; 694 /* 695 * XXX Do pointers need PTRIN()? 696 */ 697 error = kern_pselect(td, uap->nd, uap->in, uap->ou, uap->ex, tvp, 698 uset, sizeof(int32_t) * 8); 699 return (error); 700} 701 702/* 703 * Copy 'count' items into the destination list pointed to by uap->eventlist. 704 */ 705static int 706freebsd32_kevent_copyout(void *arg, struct kevent *kevp, int count) 707{ 708 struct freebsd32_kevent_args *uap; 709 struct kevent32 ks32[KQ_NEVENTS]; 710 int i, error = 0; 711 712 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 713 uap = (struct freebsd32_kevent_args *)arg; 714 715 for (i = 0; i < count; i++) { 716 CP(kevp[i], ks32[i], ident); 717 CP(kevp[i], ks32[i], filter); 718 CP(kevp[i], ks32[i], flags); 719 CP(kevp[i], ks32[i], fflags); 720 CP(kevp[i], ks32[i], data); 721 PTROUT_CP(kevp[i], ks32[i], udata); 722 } 723 error = copyout(ks32, uap->eventlist, count * sizeof *ks32); 724 if (error == 0) 725 uap->eventlist += count; 726 return (error); 727} 728 729/* 730 * Copy 'count' items from the list pointed to by uap->changelist. 731 */ 732static int 733freebsd32_kevent_copyin(void *arg, struct kevent *kevp, int count) 734{ 735 struct freebsd32_kevent_args *uap; 736 struct kevent32 ks32[KQ_NEVENTS]; 737 int i, error = 0; 738 739 KASSERT(count <= KQ_NEVENTS, ("count (%d) > KQ_NEVENTS", count)); 740 uap = (struct freebsd32_kevent_args *)arg; 741 742 error = copyin(uap->changelist, ks32, count * sizeof *ks32); 743 if (error) 744 goto done; 745 uap->changelist += count; 746 747 for (i = 0; i < count; i++) { 748 CP(ks32[i], kevp[i], ident); 749 CP(ks32[i], kevp[i], filter); 750 CP(ks32[i], kevp[i], flags); 751 CP(ks32[i], kevp[i], fflags); 752 CP(ks32[i], kevp[i], data); 753 PTRIN_CP(ks32[i], kevp[i], udata); 754 } 755done: 756 return (error); 757} 758 759int 760freebsd32_kevent(struct thread *td, struct freebsd32_kevent_args *uap) 761{ 762 struct timespec32 ts32; 763 struct timespec ts, *tsp; 764 struct kevent_copyops k_ops = { uap, 765 freebsd32_kevent_copyout, 766 freebsd32_kevent_copyin}; 767 int error; 768 769 770 if (uap->timeout) { 771 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 772 if (error) 773 return (error); 774 CP(ts32, ts, tv_sec); 775 CP(ts32, ts, tv_nsec); 776 tsp = &ts; 777 } else 778 tsp = NULL; 779 error = kern_kevent(td, uap->fd, uap->nchanges, uap->nevents, 780 &k_ops, tsp); 781 return (error); 782} 783 784int 785freebsd32_gettimeofday(struct thread *td, 786 struct freebsd32_gettimeofday_args *uap) 787{ 788 struct timeval atv; 789 struct timeval32 atv32; 790 struct timezone rtz; 791 int error = 0; 792 793 if (uap->tp) { 794 microtime(&atv); 795 CP(atv, atv32, tv_sec); 796 CP(atv, atv32, tv_usec); 797 error = copyout(&atv32, uap->tp, sizeof (atv32)); 798 } 799 if (error == 0 && uap->tzp != NULL) { 800 rtz.tz_minuteswest = tz_minuteswest; 801 rtz.tz_dsttime = tz_dsttime; 802 error = copyout(&rtz, uap->tzp, sizeof (rtz)); 803 } 804 return (error); 805} 806 807int 808freebsd32_getrusage(struct thread *td, struct freebsd32_getrusage_args *uap) 809{ 810 struct rusage32 s32; 811 struct rusage s; 812 int error; 813 814 error = kern_getrusage(td, uap->who, &s); 815 if (error) 816 return (error); 817 if (uap->rusage != NULL) { 818 freebsd32_rusage_out(&s, &s32); 819 error = copyout(&s32, uap->rusage, sizeof(s32)); 820 } 821 return (error); 822} 823 824static int 825freebsd32_copyinuio(struct iovec32 *iovp, u_int iovcnt, struct uio **uiop) 826{ 827 struct iovec32 iov32; 828 struct iovec *iov; 829 struct uio *uio; 830 u_int iovlen; 831 int error, i; 832 833 *uiop = NULL; 834 if (iovcnt > UIO_MAXIOV) 835 return (EINVAL); 836 iovlen = iovcnt * sizeof(struct iovec); 837 uio = malloc(iovlen + sizeof *uio, M_IOV, M_WAITOK); 838 iov = (struct iovec *)(uio + 1); 839 for (i = 0; i < iovcnt; i++) { 840 error = copyin(&iovp[i], &iov32, sizeof(struct iovec32)); 841 if (error) { 842 free(uio, M_IOV); 843 return (error); 844 } 845 iov[i].iov_base = PTRIN(iov32.iov_base); 846 iov[i].iov_len = iov32.iov_len; 847 } 848 uio->uio_iov = iov; 849 uio->uio_iovcnt = iovcnt; 850 uio->uio_segflg = UIO_USERSPACE; 851 uio->uio_offset = -1; 852 uio->uio_resid = 0; 853 for (i = 0; i < iovcnt; i++) { 854 if (iov->iov_len > INT_MAX - uio->uio_resid) { 855 free(uio, M_IOV); 856 return (EINVAL); 857 } 858 uio->uio_resid += iov->iov_len; 859 iov++; 860 } 861 *uiop = uio; 862 return (0); 863} 864 865int 866freebsd32_readv(struct thread *td, struct freebsd32_readv_args *uap) 867{ 868 struct uio *auio; 869 int error; 870 871 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 872 if (error) 873 return (error); 874 error = kern_readv(td, uap->fd, auio); 875 free(auio, M_IOV); 876 return (error); 877} 878 879int 880freebsd32_writev(struct thread *td, struct freebsd32_writev_args *uap) 881{ 882 struct uio *auio; 883 int error; 884 885 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 886 if (error) 887 return (error); 888 error = kern_writev(td, uap->fd, auio); 889 free(auio, M_IOV); 890 return (error); 891} 892 893int 894freebsd32_preadv(struct thread *td, struct freebsd32_preadv_args *uap) 895{ 896 struct uio *auio; 897 int error; 898 899 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 900 if (error) 901 return (error); 902 error = kern_preadv(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 903 free(auio, M_IOV); 904 return (error); 905} 906 907int 908freebsd32_pwritev(struct thread *td, struct freebsd32_pwritev_args *uap) 909{ 910 struct uio *auio; 911 int error; 912 913 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 914 if (error) 915 return (error); 916 error = kern_pwritev(td, uap->fd, auio, PAIR32TO64(off_t,uap->offset)); 917 free(auio, M_IOV); 918 return (error); 919} 920 921int 922freebsd32_copyiniov(struct iovec32 *iovp32, u_int iovcnt, struct iovec **iovp, 923 int error) 924{ 925 struct iovec32 iov32; 926 struct iovec *iov; 927 u_int iovlen; 928 int i; 929 930 *iovp = NULL; 931 if (iovcnt > UIO_MAXIOV) 932 return (error); 933 iovlen = iovcnt * sizeof(struct iovec); 934 iov = malloc(iovlen, M_IOV, M_WAITOK); 935 for (i = 0; i < iovcnt; i++) { 936 error = copyin(&iovp32[i], &iov32, sizeof(struct iovec32)); 937 if (error) { 938 free(iov, M_IOV); 939 return (error); 940 } 941 iov[i].iov_base = PTRIN(iov32.iov_base); 942 iov[i].iov_len = iov32.iov_len; 943 } 944 *iovp = iov; 945 return (0); 946} 947 948static int 949freebsd32_copyinmsghdr(struct msghdr32 *msg32, struct msghdr *msg) 950{ 951 struct msghdr32 m32; 952 int error; 953 954 error = copyin(msg32, &m32, sizeof(m32)); 955 if (error) 956 return (error); 957 msg->msg_name = PTRIN(m32.msg_name); 958 msg->msg_namelen = m32.msg_namelen; 959 msg->msg_iov = PTRIN(m32.msg_iov); 960 msg->msg_iovlen = m32.msg_iovlen; 961 msg->msg_control = PTRIN(m32.msg_control); 962 msg->msg_controllen = m32.msg_controllen; 963 msg->msg_flags = m32.msg_flags; 964 return (0); 965} 966 967static int 968freebsd32_copyoutmsghdr(struct msghdr *msg, struct msghdr32 *msg32) 969{ 970 struct msghdr32 m32; 971 int error; 972 973 m32.msg_name = PTROUT(msg->msg_name); 974 m32.msg_namelen = msg->msg_namelen; 975 m32.msg_iov = PTROUT(msg->msg_iov); 976 m32.msg_iovlen = msg->msg_iovlen; 977 m32.msg_control = PTROUT(msg->msg_control); 978 m32.msg_controllen = msg->msg_controllen; 979 m32.msg_flags = msg->msg_flags; 980 error = copyout(&m32, msg32, sizeof(m32)); 981 return (error); 982} 983 984#ifndef __mips__ 985#define FREEBSD32_ALIGNBYTES (sizeof(int) - 1) 986#else 987#define FREEBSD32_ALIGNBYTES (sizeof(long) - 1) 988#endif 989#define FREEBSD32_ALIGN(p) \ 990 (((u_long)(p) + FREEBSD32_ALIGNBYTES) & ~FREEBSD32_ALIGNBYTES) 991#define FREEBSD32_CMSG_SPACE(l) \ 992 (FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + FREEBSD32_ALIGN(l)) 993 994#define FREEBSD32_CMSG_DATA(cmsg) ((unsigned char *)(cmsg) + \ 995 FREEBSD32_ALIGN(sizeof(struct cmsghdr))) 996static int 997freebsd32_copy_msg_out(struct msghdr *msg, struct mbuf *control) 998{ 999 struct cmsghdr *cm; 1000 void *data; 1001 socklen_t clen, datalen; 1002 int error; 1003 caddr_t ctlbuf; 1004 int len, maxlen, copylen; 1005 struct mbuf *m; 1006 error = 0; 1007 1008 len = msg->msg_controllen; 1009 maxlen = msg->msg_controllen; 1010 msg->msg_controllen = 0; 1011 1012 m = control; 1013 ctlbuf = msg->msg_control; 1014 1015 while (m && len > 0) { 1016 cm = mtod(m, struct cmsghdr *); 1017 clen = m->m_len; 1018 1019 while (cm != NULL) { 1020 1021 if (sizeof(struct cmsghdr) > clen || 1022 cm->cmsg_len > clen) { 1023 error = EINVAL; 1024 break; 1025 } 1026 1027 data = CMSG_DATA(cm); 1028 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1029 1030 /* Adjust message length */ 1031 cm->cmsg_len = FREEBSD32_ALIGN(sizeof(struct cmsghdr)) + 1032 datalen; 1033 1034 1035 /* Copy cmsghdr */ 1036 copylen = sizeof(struct cmsghdr); 1037 if (len < copylen) { 1038 msg->msg_flags |= MSG_CTRUNC; 1039 copylen = len; 1040 } 1041 1042 error = copyout(cm,ctlbuf,copylen); 1043 if (error) 1044 goto exit; 1045 1046 ctlbuf += FREEBSD32_ALIGN(copylen); 1047 len -= FREEBSD32_ALIGN(copylen); 1048 1049 if (len <= 0) 1050 break; 1051 1052 /* Copy data */ 1053 copylen = datalen; 1054 if (len < copylen) { 1055 msg->msg_flags |= MSG_CTRUNC; 1056 copylen = len; 1057 } 1058 1059 error = copyout(data,ctlbuf,copylen); 1060 if (error) 1061 goto exit; 1062 1063 ctlbuf += FREEBSD32_ALIGN(copylen); 1064 len -= FREEBSD32_ALIGN(copylen); 1065 1066 if (CMSG_SPACE(datalen) < clen) { 1067 clen -= CMSG_SPACE(datalen); 1068 cm = (struct cmsghdr *) 1069 ((caddr_t)cm + CMSG_SPACE(datalen)); 1070 } else { 1071 clen = 0; 1072 cm = NULL; 1073 } 1074 } 1075 m = m->m_next; 1076 } 1077 1078 msg->msg_controllen = (len <= 0) ? maxlen : ctlbuf - (caddr_t)msg->msg_control; 1079 1080exit: 1081 return (error); 1082 1083} 1084 1085int 1086freebsd32_recvmsg(td, uap) 1087 struct thread *td; 1088 struct freebsd32_recvmsg_args /* { 1089 int s; 1090 struct msghdr32 *msg; 1091 int flags; 1092 } */ *uap; 1093{ 1094 struct msghdr msg; 1095 struct msghdr32 m32; 1096 struct iovec *uiov, *iov; 1097 struct mbuf *control = NULL; 1098 struct mbuf **controlp; 1099 1100 int error; 1101 error = copyin(uap->msg, &m32, sizeof(m32)); 1102 if (error) 1103 return (error); 1104 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1105 if (error) 1106 return (error); 1107 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1108 EMSGSIZE); 1109 if (error) 1110 return (error); 1111 msg.msg_flags = uap->flags; 1112 uiov = msg.msg_iov; 1113 msg.msg_iov = iov; 1114 1115 controlp = (msg.msg_control != NULL) ? &control : NULL; 1116 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, controlp); 1117 if (error == 0) { 1118 msg.msg_iov = uiov; 1119 1120 if (control != NULL) 1121 error = freebsd32_copy_msg_out(&msg, control); 1122 else 1123 msg.msg_controllen = 0; 1124 1125 if (error == 0) 1126 error = freebsd32_copyoutmsghdr(&msg, uap->msg); 1127 } 1128 free(iov, M_IOV); 1129 1130 if (control != NULL) 1131 m_freem(control); 1132 1133 return (error); 1134} 1135 1136 1137static int 1138freebsd32_convert_msg_in(struct mbuf **controlp) 1139{ 1140 struct mbuf *control = *controlp; 1141 struct cmsghdr *cm = mtod(control, struct cmsghdr *); 1142 void *data; 1143 socklen_t clen = control->m_len, datalen; 1144 int error; 1145 1146 error = 0; 1147 *controlp = NULL; 1148 1149 while (cm != NULL) { 1150 if (sizeof(struct cmsghdr) > clen || cm->cmsg_len > clen) { 1151 error = EINVAL; 1152 break; 1153 } 1154 1155 data = FREEBSD32_CMSG_DATA(cm); 1156 datalen = (caddr_t)cm + cm->cmsg_len - (caddr_t)data; 1157 1158 *controlp = sbcreatecontrol(data, datalen, cm->cmsg_type, 1159 cm->cmsg_level); 1160 controlp = &(*controlp)->m_next; 1161 1162 if (FREEBSD32_CMSG_SPACE(datalen) < clen) { 1163 clen -= FREEBSD32_CMSG_SPACE(datalen); 1164 cm = (struct cmsghdr *) 1165 ((caddr_t)cm + FREEBSD32_CMSG_SPACE(datalen)); 1166 } else { 1167 clen = 0; 1168 cm = NULL; 1169 } 1170 } 1171 1172 m_freem(control); 1173 return (error); 1174} 1175 1176 1177int 1178freebsd32_sendmsg(struct thread *td, 1179 struct freebsd32_sendmsg_args *uap) 1180{ 1181 struct msghdr msg; 1182 struct msghdr32 m32; 1183 struct iovec *iov; 1184 struct mbuf *control = NULL; 1185 struct sockaddr *to = NULL; 1186 int error; 1187 1188 error = copyin(uap->msg, &m32, sizeof(m32)); 1189 if (error) 1190 return (error); 1191 error = freebsd32_copyinmsghdr(uap->msg, &msg); 1192 if (error) 1193 return (error); 1194 error = freebsd32_copyiniov(PTRIN(m32.msg_iov), m32.msg_iovlen, &iov, 1195 EMSGSIZE); 1196 if (error) 1197 return (error); 1198 msg.msg_iov = iov; 1199 if (msg.msg_name != NULL) { 1200 error = getsockaddr(&to, msg.msg_name, msg.msg_namelen); 1201 if (error) { 1202 to = NULL; 1203 goto out; 1204 } 1205 msg.msg_name = to; 1206 } 1207 1208 if (msg.msg_control) { 1209 if (msg.msg_controllen < sizeof(struct cmsghdr)) { 1210 error = EINVAL; 1211 goto out; 1212 } 1213 1214 error = sockargs(&control, msg.msg_control, 1215 msg.msg_controllen, MT_CONTROL); 1216 if (error) 1217 goto out; 1218 1219 error = freebsd32_convert_msg_in(&control); 1220 if (error) 1221 goto out; 1222 } 1223 1224 error = kern_sendit(td, uap->s, &msg, uap->flags, control, 1225 UIO_USERSPACE); 1226 1227out: 1228 free(iov, M_IOV); 1229 if (to) 1230 free(to, M_SONAME); 1231 return (error); 1232} 1233 1234int 1235freebsd32_recvfrom(struct thread *td, 1236 struct freebsd32_recvfrom_args *uap) 1237{ 1238 struct msghdr msg; 1239 struct iovec aiov; 1240 int error; 1241 1242 if (uap->fromlenaddr) { 1243 error = copyin(PTRIN(uap->fromlenaddr), &msg.msg_namelen, 1244 sizeof(msg.msg_namelen)); 1245 if (error) 1246 return (error); 1247 } else { 1248 msg.msg_namelen = 0; 1249 } 1250 1251 msg.msg_name = PTRIN(uap->from); 1252 msg.msg_iov = &aiov; 1253 msg.msg_iovlen = 1; 1254 aiov.iov_base = PTRIN(uap->buf); 1255 aiov.iov_len = uap->len; 1256 msg.msg_control = NULL; 1257 msg.msg_flags = uap->flags; 1258 error = kern_recvit(td, uap->s, &msg, UIO_USERSPACE, NULL); 1259 if (error == 0 && uap->fromlenaddr) 1260 error = copyout(&msg.msg_namelen, PTRIN(uap->fromlenaddr), 1261 sizeof (msg.msg_namelen)); 1262 return (error); 1263} 1264 1265int 1266freebsd32_settimeofday(struct thread *td, 1267 struct freebsd32_settimeofday_args *uap) 1268{ 1269 struct timeval32 tv32; 1270 struct timeval tv, *tvp; 1271 struct timezone tz, *tzp; 1272 int error; 1273 1274 if (uap->tv) { 1275 error = copyin(uap->tv, &tv32, sizeof(tv32)); 1276 if (error) 1277 return (error); 1278 CP(tv32, tv, tv_sec); 1279 CP(tv32, tv, tv_usec); 1280 tvp = &tv; 1281 } else 1282 tvp = NULL; 1283 if (uap->tzp) { 1284 error = copyin(uap->tzp, &tz, sizeof(tz)); 1285 if (error) 1286 return (error); 1287 tzp = &tz; 1288 } else 1289 tzp = NULL; 1290 return (kern_settimeofday(td, tvp, tzp)); 1291} 1292 1293int 1294freebsd32_utimes(struct thread *td, struct freebsd32_utimes_args *uap) 1295{ 1296 struct timeval32 s32[2]; 1297 struct timeval s[2], *sp; 1298 int error; 1299 1300 if (uap->tptr != NULL) { 1301 error = copyin(uap->tptr, s32, sizeof(s32)); 1302 if (error) 1303 return (error); 1304 CP(s32[0], s[0], tv_sec); 1305 CP(s32[0], s[0], tv_usec); 1306 CP(s32[1], s[1], tv_sec); 1307 CP(s32[1], s[1], tv_usec); 1308 sp = s; 1309 } else 1310 sp = NULL; 1311 return (kern_utimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1312} 1313 1314int 1315freebsd32_lutimes(struct thread *td, struct freebsd32_lutimes_args *uap) 1316{ 1317 struct timeval32 s32[2]; 1318 struct timeval s[2], *sp; 1319 int error; 1320 1321 if (uap->tptr != NULL) { 1322 error = copyin(uap->tptr, s32, sizeof(s32)); 1323 if (error) 1324 return (error); 1325 CP(s32[0], s[0], tv_sec); 1326 CP(s32[0], s[0], tv_usec); 1327 CP(s32[1], s[1], tv_sec); 1328 CP(s32[1], s[1], tv_usec); 1329 sp = s; 1330 } else 1331 sp = NULL; 1332 return (kern_lutimes(td, uap->path, UIO_USERSPACE, sp, UIO_SYSSPACE)); 1333} 1334 1335int 1336freebsd32_futimes(struct thread *td, struct freebsd32_futimes_args *uap) 1337{ 1338 struct timeval32 s32[2]; 1339 struct timeval s[2], *sp; 1340 int error; 1341 1342 if (uap->tptr != NULL) { 1343 error = copyin(uap->tptr, s32, sizeof(s32)); 1344 if (error) 1345 return (error); 1346 CP(s32[0], s[0], tv_sec); 1347 CP(s32[0], s[0], tv_usec); 1348 CP(s32[1], s[1], tv_sec); 1349 CP(s32[1], s[1], tv_usec); 1350 sp = s; 1351 } else 1352 sp = NULL; 1353 return (kern_futimes(td, uap->fd, sp, UIO_SYSSPACE)); 1354} 1355 1356int 1357freebsd32_futimesat(struct thread *td, struct freebsd32_futimesat_args *uap) 1358{ 1359 struct timeval32 s32[2]; 1360 struct timeval s[2], *sp; 1361 int error; 1362 1363 if (uap->times != NULL) { 1364 error = copyin(uap->times, s32, sizeof(s32)); 1365 if (error) 1366 return (error); 1367 CP(s32[0], s[0], tv_sec); 1368 CP(s32[0], s[0], tv_usec); 1369 CP(s32[1], s[1], tv_sec); 1370 CP(s32[1], s[1], tv_usec); 1371 sp = s; 1372 } else 1373 sp = NULL; 1374 return (kern_utimesat(td, uap->fd, uap->path, UIO_USERSPACE, 1375 sp, UIO_SYSSPACE)); 1376} 1377 1378int 1379freebsd32_adjtime(struct thread *td, struct freebsd32_adjtime_args *uap) 1380{ 1381 struct timeval32 tv32; 1382 struct timeval delta, olddelta, *deltap; 1383 int error; 1384 1385 if (uap->delta) { 1386 error = copyin(uap->delta, &tv32, sizeof(tv32)); 1387 if (error) 1388 return (error); 1389 CP(tv32, delta, tv_sec); 1390 CP(tv32, delta, tv_usec); 1391 deltap = δ 1392 } else 1393 deltap = NULL; 1394 error = kern_adjtime(td, deltap, &olddelta); 1395 if (uap->olddelta && error == 0) { 1396 CP(olddelta, tv32, tv_sec); 1397 CP(olddelta, tv32, tv_usec); 1398 error = copyout(&tv32, uap->olddelta, sizeof(tv32)); 1399 } 1400 return (error); 1401} 1402 1403#ifdef COMPAT_FREEBSD4 1404int 1405freebsd4_freebsd32_statfs(struct thread *td, struct freebsd4_freebsd32_statfs_args *uap) 1406{ 1407 struct statfs32 s32; 1408 struct statfs s; 1409 int error; 1410 1411 error = kern_statfs(td, uap->path, UIO_USERSPACE, &s); 1412 if (error) 1413 return (error); 1414 copy_statfs(&s, &s32); 1415 return (copyout(&s32, uap->buf, sizeof(s32))); 1416} 1417#endif 1418 1419#ifdef COMPAT_FREEBSD4 1420int 1421freebsd4_freebsd32_fstatfs(struct thread *td, struct freebsd4_freebsd32_fstatfs_args *uap) 1422{ 1423 struct statfs32 s32; 1424 struct statfs s; 1425 int error; 1426 1427 error = kern_fstatfs(td, uap->fd, &s); 1428 if (error) 1429 return (error); 1430 copy_statfs(&s, &s32); 1431 return (copyout(&s32, uap->buf, sizeof(s32))); 1432} 1433#endif 1434 1435#ifdef COMPAT_FREEBSD4 1436int 1437freebsd4_freebsd32_fhstatfs(struct thread *td, struct freebsd4_freebsd32_fhstatfs_args *uap) 1438{ 1439 struct statfs32 s32; 1440 struct statfs s; 1441 fhandle_t fh; 1442 int error; 1443 1444 if ((error = copyin(uap->u_fhp, &fh, sizeof(fhandle_t))) != 0) 1445 return (error); 1446 error = kern_fhstatfs(td, fh, &s); 1447 if (error) 1448 return (error); 1449 copy_statfs(&s, &s32); 1450 return (copyout(&s32, uap->buf, sizeof(s32))); 1451} 1452#endif 1453 1454int 1455freebsd32_pread(struct thread *td, struct freebsd32_pread_args *uap) 1456{ 1457 struct pread_args ap; 1458 1459 ap.fd = uap->fd; 1460 ap.buf = uap->buf; 1461 ap.nbyte = uap->nbyte; 1462 ap.offset = PAIR32TO64(off_t,uap->offset); 1463 return (sys_pread(td, &ap)); 1464} 1465 1466int 1467freebsd32_pwrite(struct thread *td, struct freebsd32_pwrite_args *uap) 1468{ 1469 struct pwrite_args ap; 1470 1471 ap.fd = uap->fd; 1472 ap.buf = uap->buf; 1473 ap.nbyte = uap->nbyte; 1474 ap.offset = PAIR32TO64(off_t,uap->offset); 1475 return (sys_pwrite(td, &ap)); 1476} 1477 1478#ifdef COMPAT_43 1479int 1480ofreebsd32_lseek(struct thread *td, struct ofreebsd32_lseek_args *uap) 1481{ 1482 struct lseek_args nuap; 1483 1484 nuap.fd = uap->fd; 1485 nuap.offset = uap->offset; 1486 nuap.whence = uap->whence; 1487 return (sys_lseek(td, &nuap)); 1488} 1489#endif 1490 1491int 1492freebsd32_lseek(struct thread *td, struct freebsd32_lseek_args *uap) 1493{ 1494 int error; 1495 struct lseek_args ap; 1496 off_t pos; 1497 1498 ap.fd = uap->fd; 1499 ap.offset = PAIR32TO64(off_t,uap->offset); 1500 ap.whence = uap->whence; 1501 error = sys_lseek(td, &ap); 1502 /* Expand the quad return into two parts for eax and edx */ 1503 pos = *(off_t *)(td->td_retval); 1504 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1505 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1506 return error; 1507} 1508 1509int 1510freebsd32_truncate(struct thread *td, struct freebsd32_truncate_args *uap) 1511{ 1512 struct truncate_args ap; 1513 1514 ap.path = uap->path; 1515 ap.length = PAIR32TO64(off_t,uap->length); 1516 return (sys_truncate(td, &ap)); 1517} 1518 1519int 1520freebsd32_ftruncate(struct thread *td, struct freebsd32_ftruncate_args *uap) 1521{ 1522 struct ftruncate_args ap; 1523 1524 ap.fd = uap->fd; 1525 ap.length = PAIR32TO64(off_t,uap->length); 1526 return (sys_ftruncate(td, &ap)); 1527} 1528 1529#ifdef COMPAT_43 1530int 1531ofreebsd32_getdirentries(struct thread *td, 1532 struct ofreebsd32_getdirentries_args *uap) 1533{ 1534 struct ogetdirentries_args ap; 1535 int error; 1536 long loff; 1537 int32_t loff_cut; 1538 1539 ap.fd = uap->fd; 1540 ap.buf = uap->buf; 1541 ap.count = uap->count; 1542 ap.basep = NULL; 1543 error = kern_ogetdirentries(td, &ap, &loff); 1544 if (error == 0) { 1545 loff_cut = loff; 1546 error = copyout(&loff_cut, uap->basep, sizeof(int32_t)); 1547 } 1548 return (error); 1549} 1550#endif 1551 1552int 1553freebsd32_getdirentries(struct thread *td, 1554 struct freebsd32_getdirentries_args *uap) 1555{ 1556 long base; 1557 int32_t base32; 1558 int error; 1559 1560 error = kern_getdirentries(td, uap->fd, uap->buf, uap->count, &base, 1561 NULL, UIO_USERSPACE); 1562 if (error) 1563 return (error); 1564 if (uap->basep != NULL) { 1565 base32 = base; 1566 error = copyout(&base32, uap->basep, sizeof(int32_t)); 1567 } 1568 return (error); 1569} 1570 1571#ifdef COMPAT_FREEBSD6 1572/* versions with the 'int pad' argument */ 1573int 1574freebsd6_freebsd32_pread(struct thread *td, struct freebsd6_freebsd32_pread_args *uap) 1575{ 1576 struct pread_args ap; 1577 1578 ap.fd = uap->fd; 1579 ap.buf = uap->buf; 1580 ap.nbyte = uap->nbyte; 1581 ap.offset = PAIR32TO64(off_t,uap->offset); 1582 return (sys_pread(td, &ap)); 1583} 1584 1585int 1586freebsd6_freebsd32_pwrite(struct thread *td, struct freebsd6_freebsd32_pwrite_args *uap) 1587{ 1588 struct pwrite_args ap; 1589 1590 ap.fd = uap->fd; 1591 ap.buf = uap->buf; 1592 ap.nbyte = uap->nbyte; 1593 ap.offset = PAIR32TO64(off_t,uap->offset); 1594 return (sys_pwrite(td, &ap)); 1595} 1596 1597int 1598freebsd6_freebsd32_lseek(struct thread *td, struct freebsd6_freebsd32_lseek_args *uap) 1599{ 1600 int error; 1601 struct lseek_args ap; 1602 off_t pos; 1603 1604 ap.fd = uap->fd; 1605 ap.offset = PAIR32TO64(off_t,uap->offset); 1606 ap.whence = uap->whence; 1607 error = sys_lseek(td, &ap); 1608 /* Expand the quad return into two parts for eax and edx */ 1609 pos = *(off_t *)(td->td_retval); 1610 td->td_retval[RETVAL_LO] = pos & 0xffffffff; /* %eax */ 1611 td->td_retval[RETVAL_HI] = pos >> 32; /* %edx */ 1612 return error; 1613} 1614 1615int 1616freebsd6_freebsd32_truncate(struct thread *td, struct freebsd6_freebsd32_truncate_args *uap) 1617{ 1618 struct truncate_args ap; 1619 1620 ap.path = uap->path; 1621 ap.length = PAIR32TO64(off_t,uap->length); 1622 return (sys_truncate(td, &ap)); 1623} 1624 1625int 1626freebsd6_freebsd32_ftruncate(struct thread *td, struct freebsd6_freebsd32_ftruncate_args *uap) 1627{ 1628 struct ftruncate_args ap; 1629 1630 ap.fd = uap->fd; 1631 ap.length = PAIR32TO64(off_t,uap->length); 1632 return (sys_ftruncate(td, &ap)); 1633} 1634#endif /* COMPAT_FREEBSD6 */ 1635 1636struct sf_hdtr32 { 1637 uint32_t headers; 1638 int hdr_cnt; 1639 uint32_t trailers; 1640 int trl_cnt; 1641}; 1642 1643static int 1644freebsd32_do_sendfile(struct thread *td, 1645 struct freebsd32_sendfile_args *uap, int compat) 1646{ 1647 struct sf_hdtr32 hdtr32; 1648 struct sf_hdtr hdtr; 1649 struct uio *hdr_uio, *trl_uio; 1650 struct iovec32 *iov32; 1651 struct file *fp; 1652 cap_rights_t rights; 1653 off_t offset; 1654 int error; 1655 off_t sbytes; 1656 1657 offset = PAIR32TO64(off_t, uap->offset); 1658 if (offset < 0) 1659 return (EINVAL); 1660 1661 hdr_uio = trl_uio = NULL; 1662 1663 if (uap->hdtr != NULL) { 1664 error = copyin(uap->hdtr, &hdtr32, sizeof(hdtr32)); 1665 if (error) 1666 goto out; 1667 PTRIN_CP(hdtr32, hdtr, headers); 1668 CP(hdtr32, hdtr, hdr_cnt); 1669 PTRIN_CP(hdtr32, hdtr, trailers); 1670 CP(hdtr32, hdtr, trl_cnt); 1671 1672 if (hdtr.headers != NULL) { 1673 iov32 = PTRIN(hdtr32.headers); 1674 error = freebsd32_copyinuio(iov32, 1675 hdtr32.hdr_cnt, &hdr_uio); 1676 if (error) 1677 goto out; 1678 } 1679 if (hdtr.trailers != NULL) { 1680 iov32 = PTRIN(hdtr32.trailers); 1681 error = freebsd32_copyinuio(iov32, 1682 hdtr32.trl_cnt, &trl_uio); 1683 if (error) 1684 goto out; 1685 } 1686 } 1687 1688 AUDIT_ARG_FD(uap->fd); 1689 1690 if ((error = fget_read(td, uap->fd, 1691 cap_rights_init(&rights, CAP_PREAD), &fp)) != 0) { 1692 goto out; 1693 } 1694 1695 error = fo_sendfile(fp, uap->s, hdr_uio, trl_uio, offset, 1696 uap->nbytes, &sbytes, uap->flags, compat ? SFK_COMPAT : 0, td); 1697 fdrop(fp, td); 1698 if (uap->sbytes != NULL) 1699 copyout(&sbytes, uap->sbytes, sizeof(off_t)); 1700 1701out: 1702 if (hdr_uio) 1703 free(hdr_uio, M_IOV); 1704 if (trl_uio) 1705 free(trl_uio, M_IOV); 1706 return (error); 1707} 1708 1709#ifdef COMPAT_FREEBSD4 1710int 1711freebsd4_freebsd32_sendfile(struct thread *td, 1712 struct freebsd4_freebsd32_sendfile_args *uap) 1713{ 1714 return (freebsd32_do_sendfile(td, 1715 (struct freebsd32_sendfile_args *)uap, 1)); 1716} 1717#endif 1718 1719int 1720freebsd32_sendfile(struct thread *td, struct freebsd32_sendfile_args *uap) 1721{ 1722 1723 return (freebsd32_do_sendfile(td, uap, 0)); 1724} 1725 1726static void 1727copy_stat(struct stat *in, struct stat32 *out) 1728{ 1729 1730 CP(*in, *out, st_dev); 1731 CP(*in, *out, st_ino); 1732 CP(*in, *out, st_mode); 1733 CP(*in, *out, st_nlink); 1734 CP(*in, *out, st_uid); 1735 CP(*in, *out, st_gid); 1736 CP(*in, *out, st_rdev); 1737 TS_CP(*in, *out, st_atim); 1738 TS_CP(*in, *out, st_mtim); 1739 TS_CP(*in, *out, st_ctim); 1740 CP(*in, *out, st_size); 1741 CP(*in, *out, st_blocks); 1742 CP(*in, *out, st_blksize); 1743 CP(*in, *out, st_flags); 1744 CP(*in, *out, st_gen); 1745 TS_CP(*in, *out, st_birthtim); 1746} 1747 1748#ifdef COMPAT_43 1749static void 1750copy_ostat(struct stat *in, struct ostat32 *out) 1751{ 1752 1753 CP(*in, *out, st_dev); 1754 CP(*in, *out, st_ino); 1755 CP(*in, *out, st_mode); 1756 CP(*in, *out, st_nlink); 1757 CP(*in, *out, st_uid); 1758 CP(*in, *out, st_gid); 1759 CP(*in, *out, st_rdev); 1760 CP(*in, *out, st_size); 1761 TS_CP(*in, *out, st_atim); 1762 TS_CP(*in, *out, st_mtim); 1763 TS_CP(*in, *out, st_ctim); 1764 CP(*in, *out, st_blksize); 1765 CP(*in, *out, st_blocks); 1766 CP(*in, *out, st_flags); 1767 CP(*in, *out, st_gen); 1768} 1769#endif 1770 1771int 1772freebsd32_stat(struct thread *td, struct freebsd32_stat_args *uap) 1773{ 1774 struct stat sb; 1775 struct stat32 sb32; 1776 int error; 1777 1778 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1779 if (error) 1780 return (error); 1781 copy_stat(&sb, &sb32); 1782 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1783 return (error); 1784} 1785 1786#ifdef COMPAT_43 1787int 1788ofreebsd32_stat(struct thread *td, struct ofreebsd32_stat_args *uap) 1789{ 1790 struct stat sb; 1791 struct ostat32 sb32; 1792 int error; 1793 1794 error = kern_stat(td, uap->path, UIO_USERSPACE, &sb); 1795 if (error) 1796 return (error); 1797 copy_ostat(&sb, &sb32); 1798 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1799 return (error); 1800} 1801#endif 1802 1803int 1804freebsd32_fstat(struct thread *td, struct freebsd32_fstat_args *uap) 1805{ 1806 struct stat ub; 1807 struct stat32 ub32; 1808 int error; 1809 1810 error = kern_fstat(td, uap->fd, &ub); 1811 if (error) 1812 return (error); 1813 copy_stat(&ub, &ub32); 1814 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1815 return (error); 1816} 1817 1818#ifdef COMPAT_43 1819int 1820ofreebsd32_fstat(struct thread *td, struct ofreebsd32_fstat_args *uap) 1821{ 1822 struct stat ub; 1823 struct ostat32 ub32; 1824 int error; 1825 1826 error = kern_fstat(td, uap->fd, &ub); 1827 if (error) 1828 return (error); 1829 copy_ostat(&ub, &ub32); 1830 error = copyout(&ub32, uap->ub, sizeof(ub32)); 1831 return (error); 1832} 1833#endif 1834 1835int 1836freebsd32_fstatat(struct thread *td, struct freebsd32_fstatat_args *uap) 1837{ 1838 struct stat ub; 1839 struct stat32 ub32; 1840 int error; 1841 1842 error = kern_statat(td, uap->flag, uap->fd, uap->path, UIO_USERSPACE, &ub); 1843 if (error) 1844 return (error); 1845 copy_stat(&ub, &ub32); 1846 error = copyout(&ub32, uap->buf, sizeof(ub32)); 1847 return (error); 1848} 1849 1850int 1851freebsd32_lstat(struct thread *td, struct freebsd32_lstat_args *uap) 1852{ 1853 struct stat sb; 1854 struct stat32 sb32; 1855 int error; 1856 1857 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1858 if (error) 1859 return (error); 1860 copy_stat(&sb, &sb32); 1861 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1862 return (error); 1863} 1864 1865#ifdef COMPAT_43 1866int 1867ofreebsd32_lstat(struct thread *td, struct ofreebsd32_lstat_args *uap) 1868{ 1869 struct stat sb; 1870 struct ostat32 sb32; 1871 int error; 1872 1873 error = kern_lstat(td, uap->path, UIO_USERSPACE, &sb); 1874 if (error) 1875 return (error); 1876 copy_ostat(&sb, &sb32); 1877 error = copyout(&sb32, uap->ub, sizeof (sb32)); 1878 return (error); 1879} 1880#endif 1881 1882int 1883freebsd32_sysctl(struct thread *td, struct freebsd32_sysctl_args *uap) 1884{ 1885 int error, name[CTL_MAXNAME]; 1886 size_t j, oldlen; 1887 1888 if (uap->namelen > CTL_MAXNAME || uap->namelen < 2) 1889 return (EINVAL); 1890 error = copyin(uap->name, name, uap->namelen * sizeof(int)); 1891 if (error) 1892 return (error); 1893 if (uap->oldlenp) 1894 oldlen = fuword32(uap->oldlenp); 1895 else 1896 oldlen = 0; 1897 error = userland_sysctl(td, name, uap->namelen, 1898 uap->old, &oldlen, 1, 1899 uap->new, uap->newlen, &j, SCTL_MASK32); 1900 if (error && error != ENOMEM) 1901 return (error); 1902 if (uap->oldlenp) 1903 suword32(uap->oldlenp, j); 1904 return (0); 1905} 1906 1907int 1908freebsd32_jail(struct thread *td, struct freebsd32_jail_args *uap) 1909{ 1910 uint32_t version; 1911 int error; 1912 struct jail j; 1913 1914 error = copyin(uap->jail, &version, sizeof(uint32_t)); 1915 if (error) 1916 return (error); 1917 1918 switch (version) { 1919 case 0: 1920 { 1921 /* FreeBSD single IPv4 jails. */ 1922 struct jail32_v0 j32_v0; 1923 1924 bzero(&j, sizeof(struct jail)); 1925 error = copyin(uap->jail, &j32_v0, sizeof(struct jail32_v0)); 1926 if (error) 1927 return (error); 1928 CP(j32_v0, j, version); 1929 PTRIN_CP(j32_v0, j, path); 1930 PTRIN_CP(j32_v0, j, hostname); 1931 j.ip4s = htonl(j32_v0.ip_number); /* jail_v0 is host order */ 1932 break; 1933 } 1934 1935 case 1: 1936 /* 1937 * Version 1 was used by multi-IPv4 jail implementations 1938 * that never made it into the official kernel. 1939 */ 1940 return (EINVAL); 1941 1942 case 2: /* JAIL_API_VERSION */ 1943 { 1944 /* FreeBSD multi-IPv4/IPv6,noIP jails. */ 1945 struct jail32 j32; 1946 1947 error = copyin(uap->jail, &j32, sizeof(struct jail32)); 1948 if (error) 1949 return (error); 1950 CP(j32, j, version); 1951 PTRIN_CP(j32, j, path); 1952 PTRIN_CP(j32, j, hostname); 1953 PTRIN_CP(j32, j, jailname); 1954 CP(j32, j, ip4s); 1955 CP(j32, j, ip6s); 1956 PTRIN_CP(j32, j, ip4); 1957 PTRIN_CP(j32, j, ip6); 1958 break; 1959 } 1960 1961 default: 1962 /* Sci-Fi jails are not supported, sorry. */ 1963 return (EINVAL); 1964 } 1965 return (kern_jail(td, &j)); 1966} 1967 1968int 1969freebsd32_jail_set(struct thread *td, struct freebsd32_jail_set_args *uap) 1970{ 1971 struct uio *auio; 1972 int error; 1973 1974 /* Check that we have an even number of iovecs. */ 1975 if (uap->iovcnt & 1) 1976 return (EINVAL); 1977 1978 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1979 if (error) 1980 return (error); 1981 error = kern_jail_set(td, auio, uap->flags); 1982 free(auio, M_IOV); 1983 return (error); 1984} 1985 1986int 1987freebsd32_jail_get(struct thread *td, struct freebsd32_jail_get_args *uap) 1988{ 1989 struct iovec32 iov32; 1990 struct uio *auio; 1991 int error, i; 1992 1993 /* Check that we have an even number of iovecs. */ 1994 if (uap->iovcnt & 1) 1995 return (EINVAL); 1996 1997 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 1998 if (error) 1999 return (error); 2000 error = kern_jail_get(td, auio, uap->flags); 2001 if (error == 0) 2002 for (i = 0; i < uap->iovcnt; i++) { 2003 PTROUT_CP(auio->uio_iov[i], iov32, iov_base); 2004 CP(auio->uio_iov[i], iov32, iov_len); 2005 error = copyout(&iov32, uap->iovp + i, sizeof(iov32)); 2006 if (error != 0) 2007 break; 2008 } 2009 free(auio, M_IOV); 2010 return (error); 2011} 2012 2013int 2014freebsd32_sigaction(struct thread *td, struct freebsd32_sigaction_args *uap) 2015{ 2016 struct sigaction32 s32; 2017 struct sigaction sa, osa, *sap; 2018 int error; 2019 2020 if (uap->act) { 2021 error = copyin(uap->act, &s32, sizeof(s32)); 2022 if (error) 2023 return (error); 2024 sa.sa_handler = PTRIN(s32.sa_u); 2025 CP(s32, sa, sa_flags); 2026 CP(s32, sa, sa_mask); 2027 sap = &sa; 2028 } else 2029 sap = NULL; 2030 error = kern_sigaction(td, uap->sig, sap, &osa, 0); 2031 if (error == 0 && uap->oact != NULL) { 2032 s32.sa_u = PTROUT(osa.sa_handler); 2033 CP(osa, s32, sa_flags); 2034 CP(osa, s32, sa_mask); 2035 error = copyout(&s32, uap->oact, sizeof(s32)); 2036 } 2037 return (error); 2038} 2039 2040#ifdef COMPAT_FREEBSD4 2041int 2042freebsd4_freebsd32_sigaction(struct thread *td, 2043 struct freebsd4_freebsd32_sigaction_args *uap) 2044{ 2045 struct sigaction32 s32; 2046 struct sigaction sa, osa, *sap; 2047 int error; 2048 2049 if (uap->act) { 2050 error = copyin(uap->act, &s32, sizeof(s32)); 2051 if (error) 2052 return (error); 2053 sa.sa_handler = PTRIN(s32.sa_u); 2054 CP(s32, sa, sa_flags); 2055 CP(s32, sa, sa_mask); 2056 sap = &sa; 2057 } else 2058 sap = NULL; 2059 error = kern_sigaction(td, uap->sig, sap, &osa, KSA_FREEBSD4); 2060 if (error == 0 && uap->oact != NULL) { 2061 s32.sa_u = PTROUT(osa.sa_handler); 2062 CP(osa, s32, sa_flags); 2063 CP(osa, s32, sa_mask); 2064 error = copyout(&s32, uap->oact, sizeof(s32)); 2065 } 2066 return (error); 2067} 2068#endif 2069 2070#ifdef COMPAT_43 2071struct osigaction32 { 2072 u_int32_t sa_u; 2073 osigset_t sa_mask; 2074 int sa_flags; 2075}; 2076 2077#define ONSIG 32 2078 2079int 2080ofreebsd32_sigaction(struct thread *td, 2081 struct ofreebsd32_sigaction_args *uap) 2082{ 2083 struct osigaction32 s32; 2084 struct sigaction sa, osa, *sap; 2085 int error; 2086 2087 if (uap->signum <= 0 || uap->signum >= ONSIG) 2088 return (EINVAL); 2089 2090 if (uap->nsa) { 2091 error = copyin(uap->nsa, &s32, sizeof(s32)); 2092 if (error) 2093 return (error); 2094 sa.sa_handler = PTRIN(s32.sa_u); 2095 CP(s32, sa, sa_flags); 2096 OSIG2SIG(s32.sa_mask, sa.sa_mask); 2097 sap = &sa; 2098 } else 2099 sap = NULL; 2100 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2101 if (error == 0 && uap->osa != NULL) { 2102 s32.sa_u = PTROUT(osa.sa_handler); 2103 CP(osa, s32, sa_flags); 2104 SIG2OSIG(osa.sa_mask, s32.sa_mask); 2105 error = copyout(&s32, uap->osa, sizeof(s32)); 2106 } 2107 return (error); 2108} 2109 2110int 2111ofreebsd32_sigprocmask(struct thread *td, 2112 struct ofreebsd32_sigprocmask_args *uap) 2113{ 2114 sigset_t set, oset; 2115 int error; 2116 2117 OSIG2SIG(uap->mask, set); 2118 error = kern_sigprocmask(td, uap->how, &set, &oset, SIGPROCMASK_OLD); 2119 SIG2OSIG(oset, td->td_retval[0]); 2120 return (error); 2121} 2122 2123int 2124ofreebsd32_sigpending(struct thread *td, 2125 struct ofreebsd32_sigpending_args *uap) 2126{ 2127 struct proc *p = td->td_proc; 2128 sigset_t siglist; 2129 2130 PROC_LOCK(p); 2131 siglist = p->p_siglist; 2132 SIGSETOR(siglist, td->td_siglist); 2133 PROC_UNLOCK(p); 2134 SIG2OSIG(siglist, td->td_retval[0]); 2135 return (0); 2136} 2137 2138struct sigvec32 { 2139 u_int32_t sv_handler; 2140 int sv_mask; 2141 int sv_flags; 2142}; 2143 2144int 2145ofreebsd32_sigvec(struct thread *td, 2146 struct ofreebsd32_sigvec_args *uap) 2147{ 2148 struct sigvec32 vec; 2149 struct sigaction sa, osa, *sap; 2150 int error; 2151 2152 if (uap->signum <= 0 || uap->signum >= ONSIG) 2153 return (EINVAL); 2154 2155 if (uap->nsv) { 2156 error = copyin(uap->nsv, &vec, sizeof(vec)); 2157 if (error) 2158 return (error); 2159 sa.sa_handler = PTRIN(vec.sv_handler); 2160 OSIG2SIG(vec.sv_mask, sa.sa_mask); 2161 sa.sa_flags = vec.sv_flags; 2162 sa.sa_flags ^= SA_RESTART; 2163 sap = &sa; 2164 } else 2165 sap = NULL; 2166 error = kern_sigaction(td, uap->signum, sap, &osa, KSA_OSIGSET); 2167 if (error == 0 && uap->osv != NULL) { 2168 vec.sv_handler = PTROUT(osa.sa_handler); 2169 SIG2OSIG(osa.sa_mask, vec.sv_mask); 2170 vec.sv_flags = osa.sa_flags; 2171 vec.sv_flags &= ~SA_NOCLDWAIT; 2172 vec.sv_flags ^= SA_RESTART; 2173 error = copyout(&vec, uap->osv, sizeof(vec)); 2174 } 2175 return (error); 2176} 2177 2178int 2179ofreebsd32_sigblock(struct thread *td, 2180 struct ofreebsd32_sigblock_args *uap) 2181{ 2182 sigset_t set, oset; 2183 2184 OSIG2SIG(uap->mask, set); 2185 kern_sigprocmask(td, SIG_BLOCK, &set, &oset, 0); 2186 SIG2OSIG(oset, td->td_retval[0]); 2187 return (0); 2188} 2189 2190int 2191ofreebsd32_sigsetmask(struct thread *td, 2192 struct ofreebsd32_sigsetmask_args *uap) 2193{ 2194 sigset_t set, oset; 2195 2196 OSIG2SIG(uap->mask, set); 2197 kern_sigprocmask(td, SIG_SETMASK, &set, &oset, 0); 2198 SIG2OSIG(oset, td->td_retval[0]); 2199 return (0); 2200} 2201 2202int 2203ofreebsd32_sigsuspend(struct thread *td, 2204 struct ofreebsd32_sigsuspend_args *uap) 2205{ 2206 sigset_t mask; 2207 2208 OSIG2SIG(uap->mask, mask); 2209 return (kern_sigsuspend(td, mask)); 2210} 2211 2212struct sigstack32 { 2213 u_int32_t ss_sp; 2214 int ss_onstack; 2215}; 2216 2217int 2218ofreebsd32_sigstack(struct thread *td, 2219 struct ofreebsd32_sigstack_args *uap) 2220{ 2221 struct sigstack32 s32; 2222 struct sigstack nss, oss; 2223 int error = 0, unss; 2224 2225 if (uap->nss != NULL) { 2226 error = copyin(uap->nss, &s32, sizeof(s32)); 2227 if (error) 2228 return (error); 2229 nss.ss_sp = PTRIN(s32.ss_sp); 2230 CP(s32, nss, ss_onstack); 2231 unss = 1; 2232 } else { 2233 unss = 0; 2234 } 2235 oss.ss_sp = td->td_sigstk.ss_sp; 2236 oss.ss_onstack = sigonstack(cpu_getstack(td)); 2237 if (unss) { 2238 td->td_sigstk.ss_sp = nss.ss_sp; 2239 td->td_sigstk.ss_size = 0; 2240 td->td_sigstk.ss_flags |= (nss.ss_onstack & SS_ONSTACK); 2241 td->td_pflags |= TDP_ALTSTACK; 2242 } 2243 if (uap->oss != NULL) { 2244 s32.ss_sp = PTROUT(oss.ss_sp); 2245 CP(oss, s32, ss_onstack); 2246 error = copyout(&s32, uap->oss, sizeof(s32)); 2247 } 2248 return (error); 2249} 2250#endif 2251 2252int 2253freebsd32_nanosleep(struct thread *td, struct freebsd32_nanosleep_args *uap) 2254{ 2255 struct timespec32 rmt32, rqt32; 2256 struct timespec rmt, rqt; 2257 int error; 2258 2259 error = copyin(uap->rqtp, &rqt32, sizeof(rqt32)); 2260 if (error) 2261 return (error); 2262 2263 CP(rqt32, rqt, tv_sec); 2264 CP(rqt32, rqt, tv_nsec); 2265 2266 if (uap->rmtp && 2267 !useracc((caddr_t)uap->rmtp, sizeof(rmt), VM_PROT_WRITE)) 2268 return (EFAULT); 2269 error = kern_nanosleep(td, &rqt, &rmt); 2270 if (error && uap->rmtp) { 2271 int error2; 2272 2273 CP(rmt, rmt32, tv_sec); 2274 CP(rmt, rmt32, tv_nsec); 2275 2276 error2 = copyout(&rmt32, uap->rmtp, sizeof(rmt32)); 2277 if (error2) 2278 error = error2; 2279 } 2280 return (error); 2281} 2282 2283int 2284freebsd32_clock_gettime(struct thread *td, 2285 struct freebsd32_clock_gettime_args *uap) 2286{ 2287 struct timespec ats; 2288 struct timespec32 ats32; 2289 int error; 2290 2291 error = kern_clock_gettime(td, uap->clock_id, &ats); 2292 if (error == 0) { 2293 CP(ats, ats32, tv_sec); 2294 CP(ats, ats32, tv_nsec); 2295 error = copyout(&ats32, uap->tp, sizeof(ats32)); 2296 } 2297 return (error); 2298} 2299 2300int 2301freebsd32_clock_settime(struct thread *td, 2302 struct freebsd32_clock_settime_args *uap) 2303{ 2304 struct timespec ats; 2305 struct timespec32 ats32; 2306 int error; 2307 2308 error = copyin(uap->tp, &ats32, sizeof(ats32)); 2309 if (error) 2310 return (error); 2311 CP(ats32, ats, tv_sec); 2312 CP(ats32, ats, tv_nsec); 2313 2314 return (kern_clock_settime(td, uap->clock_id, &ats)); 2315} 2316 2317int 2318freebsd32_clock_getres(struct thread *td, 2319 struct freebsd32_clock_getres_args *uap) 2320{ 2321 struct timespec ts; 2322 struct timespec32 ts32; 2323 int error; 2324 2325 if (uap->tp == NULL) 2326 return (0); 2327 error = kern_clock_getres(td, uap->clock_id, &ts); 2328 if (error == 0) { 2329 CP(ts, ts32, tv_sec); 2330 CP(ts, ts32, tv_nsec); 2331 error = copyout(&ts32, uap->tp, sizeof(ts32)); 2332 } 2333 return (error); 2334} 2335 2336int freebsd32_ktimer_create(struct thread *td, 2337 struct freebsd32_ktimer_create_args *uap) 2338{ 2339 struct sigevent32 ev32; 2340 struct sigevent ev, *evp; 2341 int error, id; 2342 2343 if (uap->evp == NULL) { 2344 evp = NULL; 2345 } else { 2346 evp = &ev; 2347 error = copyin(uap->evp, &ev32, sizeof(ev32)); 2348 if (error != 0) 2349 return (error); 2350 error = convert_sigevent32(&ev32, &ev); 2351 if (error != 0) 2352 return (error); 2353 } 2354 error = kern_ktimer_create(td, uap->clock_id, evp, &id, -1); 2355 if (error == 0) { 2356 error = copyout(&id, uap->timerid, sizeof(int)); 2357 if (error != 0) 2358 kern_ktimer_delete(td, id); 2359 } 2360 return (error); 2361} 2362 2363int 2364freebsd32_ktimer_settime(struct thread *td, 2365 struct freebsd32_ktimer_settime_args *uap) 2366{ 2367 struct itimerspec32 val32, oval32; 2368 struct itimerspec val, oval, *ovalp; 2369 int error; 2370 2371 error = copyin(uap->value, &val32, sizeof(val32)); 2372 if (error != 0) 2373 return (error); 2374 ITS_CP(val32, val); 2375 ovalp = uap->ovalue != NULL ? &oval : NULL; 2376 error = kern_ktimer_settime(td, uap->timerid, uap->flags, &val, ovalp); 2377 if (error == 0 && uap->ovalue != NULL) { 2378 ITS_CP(oval, oval32); 2379 error = copyout(&oval32, uap->ovalue, sizeof(oval32)); 2380 } 2381 return (error); 2382} 2383 2384int 2385freebsd32_ktimer_gettime(struct thread *td, 2386 struct freebsd32_ktimer_gettime_args *uap) 2387{ 2388 struct itimerspec32 val32; 2389 struct itimerspec val; 2390 int error; 2391 2392 error = kern_ktimer_gettime(td, uap->timerid, &val); 2393 if (error == 0) { 2394 ITS_CP(val, val32); 2395 error = copyout(&val32, uap->value, sizeof(val32)); 2396 } 2397 return (error); 2398} 2399 2400int 2401freebsd32_clock_getcpuclockid2(struct thread *td, 2402 struct freebsd32_clock_getcpuclockid2_args *uap) 2403{ 2404 clockid_t clk_id; 2405 int error; 2406 2407 error = kern_clock_getcpuclockid2(td, PAIR32TO64(id_t, uap->id), 2408 uap->which, &clk_id); 2409 if (error == 0) 2410 error = copyout(&clk_id, uap->clock_id, sizeof(clockid_t)); 2411 return (error); 2412} 2413 2414int 2415freebsd32_thr_new(struct thread *td, 2416 struct freebsd32_thr_new_args *uap) 2417{ 2418 struct thr_param32 param32; 2419 struct thr_param param; 2420 int error; 2421 2422 if (uap->param_size < 0 || 2423 uap->param_size > sizeof(struct thr_param32)) 2424 return (EINVAL); 2425 bzero(¶m, sizeof(struct thr_param)); 2426 bzero(¶m32, sizeof(struct thr_param32)); 2427 error = copyin(uap->param, ¶m32, uap->param_size); 2428 if (error != 0) 2429 return (error); 2430 param.start_func = PTRIN(param32.start_func); 2431 param.arg = PTRIN(param32.arg); 2432 param.stack_base = PTRIN(param32.stack_base); 2433 param.stack_size = param32.stack_size; 2434 param.tls_base = PTRIN(param32.tls_base); 2435 param.tls_size = param32.tls_size; 2436 param.child_tid = PTRIN(param32.child_tid); 2437 param.parent_tid = PTRIN(param32.parent_tid); 2438 param.flags = param32.flags; 2439 param.rtp = PTRIN(param32.rtp); 2440 param.spare[0] = PTRIN(param32.spare[0]); 2441 param.spare[1] = PTRIN(param32.spare[1]); 2442 param.spare[2] = PTRIN(param32.spare[2]); 2443 2444 return (kern_thr_new(td, ¶m)); 2445} 2446 2447int 2448freebsd32_thr_suspend(struct thread *td, struct freebsd32_thr_suspend_args *uap) 2449{ 2450 struct timespec32 ts32; 2451 struct timespec ts, *tsp; 2452 int error; 2453 2454 error = 0; 2455 tsp = NULL; 2456 if (uap->timeout != NULL) { 2457 error = copyin((const void *)uap->timeout, (void *)&ts32, 2458 sizeof(struct timespec32)); 2459 if (error != 0) 2460 return (error); 2461 ts.tv_sec = ts32.tv_sec; 2462 ts.tv_nsec = ts32.tv_nsec; 2463 tsp = &ts; 2464 } 2465 return (kern_thr_suspend(td, tsp)); 2466} 2467 2468void 2469siginfo_to_siginfo32(const siginfo_t *src, struct siginfo32 *dst) 2470{ 2471 bzero(dst, sizeof(*dst)); 2472 dst->si_signo = src->si_signo; 2473 dst->si_errno = src->si_errno; 2474 dst->si_code = src->si_code; 2475 dst->si_pid = src->si_pid; 2476 dst->si_uid = src->si_uid; 2477 dst->si_status = src->si_status; 2478 dst->si_addr = (uintptr_t)src->si_addr; 2479 dst->si_value.sival_int = src->si_value.sival_int; 2480 dst->si_timerid = src->si_timerid; 2481 dst->si_overrun = src->si_overrun; 2482} 2483 2484int 2485freebsd32_sigtimedwait(struct thread *td, struct freebsd32_sigtimedwait_args *uap) 2486{ 2487 struct timespec32 ts32; 2488 struct timespec ts; 2489 struct timespec *timeout; 2490 sigset_t set; 2491 ksiginfo_t ksi; 2492 struct siginfo32 si32; 2493 int error; 2494 2495 if (uap->timeout) { 2496 error = copyin(uap->timeout, &ts32, sizeof(ts32)); 2497 if (error) 2498 return (error); 2499 ts.tv_sec = ts32.tv_sec; 2500 ts.tv_nsec = ts32.tv_nsec; 2501 timeout = &ts; 2502 } else 2503 timeout = NULL; 2504 2505 error = copyin(uap->set, &set, sizeof(set)); 2506 if (error) 2507 return (error); 2508 2509 error = kern_sigtimedwait(td, set, &ksi, timeout); 2510 if (error) 2511 return (error); 2512 2513 if (uap->info) { 2514 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2515 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2516 } 2517 2518 if (error == 0) 2519 td->td_retval[0] = ksi.ksi_signo; 2520 return (error); 2521} 2522 2523/* 2524 * MPSAFE 2525 */ 2526int 2527freebsd32_sigwaitinfo(struct thread *td, struct freebsd32_sigwaitinfo_args *uap) 2528{ 2529 ksiginfo_t ksi; 2530 struct siginfo32 si32; 2531 sigset_t set; 2532 int error; 2533 2534 error = copyin(uap->set, &set, sizeof(set)); 2535 if (error) 2536 return (error); 2537 2538 error = kern_sigtimedwait(td, set, &ksi, NULL); 2539 if (error) 2540 return (error); 2541 2542 if (uap->info) { 2543 siginfo_to_siginfo32(&ksi.ksi_info, &si32); 2544 error = copyout(&si32, uap->info, sizeof(struct siginfo32)); 2545 } 2546 if (error == 0) 2547 td->td_retval[0] = ksi.ksi_signo; 2548 return (error); 2549} 2550 2551int 2552freebsd32_cpuset_setid(struct thread *td, 2553 struct freebsd32_cpuset_setid_args *uap) 2554{ 2555 struct cpuset_setid_args ap; 2556 2557 ap.which = uap->which; 2558 ap.id = PAIR32TO64(id_t,uap->id); 2559 ap.setid = uap->setid; 2560 2561 return (sys_cpuset_setid(td, &ap)); 2562} 2563 2564int 2565freebsd32_cpuset_getid(struct thread *td, 2566 struct freebsd32_cpuset_getid_args *uap) 2567{ 2568 struct cpuset_getid_args ap; 2569 2570 ap.level = uap->level; 2571 ap.which = uap->which; 2572 ap.id = PAIR32TO64(id_t,uap->id); 2573 ap.setid = uap->setid; 2574 2575 return (sys_cpuset_getid(td, &ap)); 2576} 2577 2578int 2579freebsd32_cpuset_getaffinity(struct thread *td, 2580 struct freebsd32_cpuset_getaffinity_args *uap) 2581{ 2582 struct cpuset_getaffinity_args ap; 2583 2584 ap.level = uap->level; 2585 ap.which = uap->which; 2586 ap.id = PAIR32TO64(id_t,uap->id); 2587 ap.cpusetsize = uap->cpusetsize; 2588 ap.mask = uap->mask; 2589 2590 return (sys_cpuset_getaffinity(td, &ap)); 2591} 2592 2593int 2594freebsd32_cpuset_setaffinity(struct thread *td, 2595 struct freebsd32_cpuset_setaffinity_args *uap) 2596{ 2597 struct cpuset_setaffinity_args ap; 2598 2599 ap.level = uap->level; 2600 ap.which = uap->which; 2601 ap.id = PAIR32TO64(id_t,uap->id); 2602 ap.cpusetsize = uap->cpusetsize; 2603 ap.mask = uap->mask; 2604 2605 return (sys_cpuset_setaffinity(td, &ap)); 2606} 2607 2608int 2609freebsd32_nmount(struct thread *td, 2610 struct freebsd32_nmount_args /* { 2611 struct iovec *iovp; 2612 unsigned int iovcnt; 2613 int flags; 2614 } */ *uap) 2615{ 2616 struct uio *auio; 2617 uint64_t flags; 2618 int error; 2619 2620 /* 2621 * Mount flags are now 64-bits. On 32-bit archtectures only 2622 * 32-bits are passed in, but from here on everything handles 2623 * 64-bit flags correctly. 2624 */ 2625 flags = uap->flags; 2626 2627 AUDIT_ARG_FFLAGS(flags); 2628 2629 /* 2630 * Filter out MNT_ROOTFS. We do not want clients of nmount() in 2631 * userspace to set this flag, but we must filter it out if we want 2632 * MNT_UPDATE on the root file system to work. 2633 * MNT_ROOTFS should only be set by the kernel when mounting its 2634 * root file system. 2635 */ 2636 flags &= ~MNT_ROOTFS; 2637 2638 /* 2639 * check that we have an even number of iovec's 2640 * and that we have at least two options. 2641 */ 2642 if ((uap->iovcnt & 1) || (uap->iovcnt < 4)) 2643 return (EINVAL); 2644 2645 error = freebsd32_copyinuio(uap->iovp, uap->iovcnt, &auio); 2646 if (error) 2647 return (error); 2648 error = vfs_donmount(td, flags, auio); 2649 2650 free(auio, M_IOV); 2651 return error; 2652} 2653 2654#if 0 2655int 2656freebsd32_xxx(struct thread *td, struct freebsd32_xxx_args *uap) 2657{ 2658 struct yyy32 *p32, s32; 2659 struct yyy *p = NULL, s; 2660 struct xxx_arg ap; 2661 int error; 2662 2663 if (uap->zzz) { 2664 error = copyin(uap->zzz, &s32, sizeof(s32)); 2665 if (error) 2666 return (error); 2667 /* translate in */ 2668 p = &s; 2669 } 2670 error = kern_xxx(td, p); 2671 if (error) 2672 return (error); 2673 if (uap->zzz) { 2674 /* translate out */ 2675 error = copyout(&s32, p32, sizeof(s32)); 2676 } 2677 return (error); 2678} 2679#endif 2680 2681int 2682syscall32_register(int *offset, struct sysent *new_sysent, 2683 struct sysent *old_sysent) 2684{ 2685 if (*offset == NO_SYSCALL) { 2686 int i; 2687 2688 for (i = 1; i < SYS_MAXSYSCALL; ++i) 2689 if (freebsd32_sysent[i].sy_call == 2690 (sy_call_t *)lkmnosys) 2691 break; 2692 if (i == SYS_MAXSYSCALL) 2693 return (ENFILE); 2694 *offset = i; 2695 } else if (*offset < 0 || *offset >= SYS_MAXSYSCALL) 2696 return (EINVAL); 2697 else if (freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmnosys && 2698 freebsd32_sysent[*offset].sy_call != (sy_call_t *)lkmressys) 2699 return (EEXIST); 2700 2701 *old_sysent = freebsd32_sysent[*offset]; 2702 freebsd32_sysent[*offset] = *new_sysent; 2703 return 0; 2704} 2705 2706int 2707syscall32_deregister(int *offset, struct sysent *old_sysent) 2708{ 2709 2710 if (*offset) 2711 freebsd32_sysent[*offset] = *old_sysent; 2712 return 0; 2713} 2714 2715int 2716syscall32_module_handler(struct module *mod, int what, void *arg) 2717{ 2718 struct syscall_module_data *data = (struct syscall_module_data*)arg; 2719 modspecific_t ms; 2720 int error; 2721 2722 switch (what) { 2723 case MOD_LOAD: 2724 error = syscall32_register(data->offset, data->new_sysent, 2725 &data->old_sysent); 2726 if (error) { 2727 /* Leave a mark so we know to safely unload below. */ 2728 data->offset = NULL; 2729 return error; 2730 } 2731 ms.intval = *data->offset; 2732 MOD_XLOCK; 2733 module_setspecific(mod, &ms); 2734 MOD_XUNLOCK; 2735 if (data->chainevh) 2736 error = data->chainevh(mod, what, data->chainarg); 2737 return (error); 2738 case MOD_UNLOAD: 2739 /* 2740 * MOD_LOAD failed, so just return without calling the 2741 * chained handler since we didn't pass along the MOD_LOAD 2742 * event. 2743 */ 2744 if (data->offset == NULL) 2745 return (0); 2746 if (data->chainevh) { 2747 error = data->chainevh(mod, what, data->chainarg); 2748 if (error) 2749 return (error); 2750 } 2751 error = syscall32_deregister(data->offset, &data->old_sysent); 2752 return (error); 2753 default: 2754 error = EOPNOTSUPP; 2755 if (data->chainevh) 2756 error = data->chainevh(mod, what, data->chainarg); 2757 return (error); 2758 } 2759} 2760 2761int 2762syscall32_helper_register(struct syscall_helper_data *sd) 2763{ 2764 struct syscall_helper_data *sd1; 2765 int error; 2766 2767 for (sd1 = sd; sd1->syscall_no != NO_SYSCALL; sd1++) { 2768 error = syscall32_register(&sd1->syscall_no, &sd1->new_sysent, 2769 &sd1->old_sysent); 2770 if (error != 0) { 2771 syscall32_helper_unregister(sd); 2772 return (error); 2773 } 2774 sd1->registered = 1; 2775 } 2776 return (0); 2777} 2778 2779int 2780syscall32_helper_unregister(struct syscall_helper_data *sd) 2781{ 2782 struct syscall_helper_data *sd1; 2783 2784 for (sd1 = sd; sd1->registered != 0; sd1++) { 2785 syscall32_deregister(&sd1->syscall_no, &sd1->old_sysent); 2786 sd1->registered = 0; 2787 } 2788 return (0); 2789} 2790 2791register_t * 2792freebsd32_copyout_strings(struct image_params *imgp) 2793{ 2794 int argc, envc, i; 2795 u_int32_t *vectp; 2796 char *stringp, *destp; 2797 u_int32_t *stack_base; 2798 struct freebsd32_ps_strings *arginfo; 2799 char canary[sizeof(long) * 8]; 2800 int32_t pagesizes32[MAXPAGESIZES]; 2801 size_t execpath_len; 2802 int szsigcode; 2803 2804 /* 2805 * Calculate string base and vector table pointers. 2806 * Also deal with signal trampoline code for this exec type. 2807 */ 2808 if (imgp->execpath != NULL && imgp->auxargs != NULL) 2809 execpath_len = strlen(imgp->execpath) + 1; 2810 else 2811 execpath_len = 0; 2812 arginfo = (struct freebsd32_ps_strings *)curproc->p_sysent-> 2813 sv_psstrings; 2814 if (imgp->proc->p_sysent->sv_sigcode_base == 0) 2815 szsigcode = *(imgp->proc->p_sysent->sv_szsigcode); 2816 else 2817 szsigcode = 0; 2818 destp = (caddr_t)arginfo - szsigcode - SPARE_USRSPACE - 2819 roundup(execpath_len, sizeof(char *)) - 2820 roundup(sizeof(canary), sizeof(char *)) - 2821 roundup(sizeof(pagesizes32), sizeof(char *)) - 2822 roundup((ARG_MAX - imgp->args->stringspace), sizeof(char *)); 2823 2824 /* 2825 * install sigcode 2826 */ 2827 if (szsigcode != 0) 2828 copyout(imgp->proc->p_sysent->sv_sigcode, 2829 ((caddr_t)arginfo - szsigcode), szsigcode); 2830 2831 /* 2832 * Copy the image path for the rtld. 2833 */ 2834 if (execpath_len != 0) { 2835 imgp->execpathp = (uintptr_t)arginfo - szsigcode - execpath_len; 2836 copyout(imgp->execpath, (void *)imgp->execpathp, 2837 execpath_len); 2838 } 2839 2840 /* 2841 * Prepare the canary for SSP. 2842 */ 2843 arc4rand(canary, sizeof(canary), 0); 2844 imgp->canary = (uintptr_t)arginfo - szsigcode - execpath_len - 2845 sizeof(canary); 2846 copyout(canary, (void *)imgp->canary, sizeof(canary)); 2847 imgp->canarylen = sizeof(canary); 2848 2849 /* 2850 * Prepare the pagesizes array. 2851 */ 2852 for (i = 0; i < MAXPAGESIZES; i++) 2853 pagesizes32[i] = (uint32_t)pagesizes[i]; 2854 imgp->pagesizes = (uintptr_t)arginfo - szsigcode - execpath_len - 2855 roundup(sizeof(canary), sizeof(char *)) - sizeof(pagesizes32); 2856 copyout(pagesizes32, (void *)imgp->pagesizes, sizeof(pagesizes32)); 2857 imgp->pagesizeslen = sizeof(pagesizes32); 2858 2859 /* 2860 * If we have a valid auxargs ptr, prepare some room 2861 * on the stack. 2862 */ 2863 if (imgp->auxargs) { 2864 /* 2865 * 'AT_COUNT*2' is size for the ELF Auxargs data. This is for 2866 * lower compatibility. 2867 */ 2868 imgp->auxarg_size = (imgp->auxarg_size) ? imgp->auxarg_size 2869 : (AT_COUNT * 2); 2870 /* 2871 * The '+ 2' is for the null pointers at the end of each of 2872 * the arg and env vector sets,and imgp->auxarg_size is room 2873 * for argument of Runtime loader. 2874 */ 2875 vectp = (u_int32_t *) (destp - (imgp->args->argc + 2876 imgp->args->envc + 2 + imgp->auxarg_size + execpath_len) * 2877 sizeof(u_int32_t)); 2878 } else 2879 /* 2880 * The '+ 2' is for the null pointers at the end of each of 2881 * the arg and env vector sets 2882 */ 2883 vectp = (u_int32_t *) 2884 (destp - (imgp->args->argc + imgp->args->envc + 2) * sizeof(u_int32_t)); 2885 2886 /* 2887 * vectp also becomes our initial stack base 2888 */ 2889 stack_base = vectp; 2890 2891 stringp = imgp->args->begin_argv; 2892 argc = imgp->args->argc; 2893 envc = imgp->args->envc; 2894 /* 2895 * Copy out strings - arguments and environment. 2896 */ 2897 copyout(stringp, destp, ARG_MAX - imgp->args->stringspace); 2898 2899 /* 2900 * Fill in "ps_strings" struct for ps, w, etc. 2901 */ 2902 suword32(&arginfo->ps_argvstr, (u_int32_t)(intptr_t)vectp); 2903 suword32(&arginfo->ps_nargvstr, argc); 2904 2905 /* 2906 * Fill in argument portion of vector table. 2907 */ 2908 for (; argc > 0; --argc) { 2909 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2910 while (*stringp++ != 0) 2911 destp++; 2912 destp++; 2913 } 2914 2915 /* a null vector table pointer separates the argp's from the envp's */ 2916 suword32(vectp++, 0); 2917 2918 suword32(&arginfo->ps_envstr, (u_int32_t)(intptr_t)vectp); 2919 suword32(&arginfo->ps_nenvstr, envc); 2920 2921 /* 2922 * Fill in environment portion of vector table. 2923 */ 2924 for (; envc > 0; --envc) { 2925 suword32(vectp++, (u_int32_t)(intptr_t)destp); 2926 while (*stringp++ != 0) 2927 destp++; 2928 destp++; 2929 } 2930 2931 /* end of vector table is a null pointer */ 2932 suword32(vectp, 0); 2933 2934 return ((register_t *)stack_base); 2935} 2936 2937int 2938freebsd32_kldstat(struct thread *td, struct freebsd32_kldstat_args *uap) 2939{ 2940 struct kld_file_stat stat; 2941 struct kld32_file_stat stat32; 2942 int error, version; 2943 2944 if ((error = copyin(&uap->stat->version, &version, sizeof(version))) 2945 != 0) 2946 return (error); 2947 if (version != sizeof(struct kld32_file_stat_1) && 2948 version != sizeof(struct kld32_file_stat)) 2949 return (EINVAL); 2950 2951 error = kern_kldstat(td, uap->fileid, &stat); 2952 if (error != 0) 2953 return (error); 2954 2955 bcopy(&stat.name[0], &stat32.name[0], sizeof(stat.name)); 2956 CP(stat, stat32, refs); 2957 CP(stat, stat32, id); 2958 PTROUT_CP(stat, stat32, address); 2959 CP(stat, stat32, size); 2960 bcopy(&stat.pathname[0], &stat32.pathname[0], sizeof(stat.pathname)); 2961 return (copyout(&stat32, uap->stat, version)); 2962} 2963 2964int 2965freebsd32_posix_fallocate(struct thread *td, 2966 struct freebsd32_posix_fallocate_args *uap) 2967{ 2968 2969 return (kern_posix_fallocate(td, uap->fd, 2970 PAIR32TO64(off_t, uap->offset), PAIR32TO64(off_t, uap->len))); 2971} 2972 2973int 2974freebsd32_posix_fadvise(struct thread *td, 2975 struct freebsd32_posix_fadvise_args *uap) 2976{ 2977 2978 return (kern_posix_fadvise(td, uap->fd, PAIR32TO64(off_t, uap->offset), 2979 PAIR32TO64(off_t, uap->len), uap->advice)); 2980} 2981 2982int 2983convert_sigevent32(struct sigevent32 *sig32, struct sigevent *sig) 2984{ 2985 2986 CP(*sig32, *sig, sigev_notify); 2987 switch (sig->sigev_notify) { 2988 case SIGEV_NONE: 2989 break; 2990 case SIGEV_THREAD_ID: 2991 CP(*sig32, *sig, sigev_notify_thread_id); 2992 /* FALLTHROUGH */ 2993 case SIGEV_SIGNAL: 2994 CP(*sig32, *sig, sigev_signo); 2995 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 2996 break; 2997 case SIGEV_KEVENT: 2998 CP(*sig32, *sig, sigev_notify_kqueue); 2999 CP(*sig32, *sig, sigev_notify_kevent_flags); 3000 PTRIN_CP(*sig32, *sig, sigev_value.sival_ptr); 3001 break; 3002 default: 3003 return (EINVAL); 3004 } 3005 return (0); 3006} 3007 3008int 3009freebsd32_procctl(struct thread *td, struct freebsd32_procctl_args *uap) 3010{ 3011 void *data; 3012 int error, flags; 3013 3014 switch (uap->com) { 3015 case PROC_SPROTECT: 3016 error = copyin(PTRIN(uap->data), &flags, sizeof(flags)); 3017 if (error) 3018 return (error); 3019 data = &flags; 3020 break; 3021 default: 3022 return (EINVAL); 3023 } 3024 return (kern_procctl(td, uap->idtype, PAIR32TO64(id_t, uap->id), 3025 uap->com, data)); 3026} 3027