1 /* $NetBSD: netbsd32_fs.c,v 1.94 2021/09/11 10:08:55 riastradh Exp $ */ 2 3 /* 4 * Copyright (c) 1998, 2001 Matthew R. Green 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: netbsd32_fs.c,v 1.94 2021/09/11 10:08:55 riastradh Exp $"); 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/mount.h> 35 #include <sys/socket.h> 36 #include <sys/socketvar.h> 37 #include <sys/stat.h> 38 #include <sys/time.h> 39 #include <sys/ktrace.h> 40 #include <sys/resourcevar.h> 41 #include <sys/vnode.h> 42 #include <sys/file.h> 43 #include <sys/filedesc.h> 44 #include <sys/namei.h> 45 #include <sys/statvfs.h> 46 #include <sys/syscallargs.h> 47 #include <sys/proc.h> 48 #include <sys/dirent.h> 49 #include <sys/kauth.h> 50 #include <sys/vfs_syscalls.h> 51 52 #include <fs/cd9660/cd9660_mount.h> 53 #include <fs/tmpfs/tmpfs_args.h> 54 #include <fs/msdosfs/bpb.h> 55 #include <fs/msdosfs/msdosfsmount.h> 56 #include <ufs/ufs/ufsmount.h> 57 #include <miscfs/nullfs/null.h> 58 59 #define NFS_ARGS_ONLY 60 #include <nfs/nfsmount.h> 61 62 #include <compat/netbsd32/netbsd32.h> 63 #include <compat/netbsd32/netbsd32_syscallargs.h> 64 #include <compat/netbsd32/netbsd32_conv.h> 65 #include <compat/sys/mount.h> 66 67 68 static int dofilereadv32(int, struct file *, struct netbsd32_iovec *, 69 int, off_t *, int, register_t *); 70 static int dofilewritev32(int, struct file *, struct netbsd32_iovec *, 71 int, off_t *, int, register_t *); 72 73 struct iovec * 74 netbsd32_get_iov(struct netbsd32_iovec *iov32, int iovlen, struct iovec *aiov, 75 int aiov_len) 76 { 77 #define N_IOV32 8 78 struct netbsd32_iovec aiov32[N_IOV32]; 79 struct iovec *iov = aiov; 80 struct iovec *iovp; 81 int i, n, j; 82 int error; 83 84 if (iovlen < 0 || iovlen > IOV_MAX) 85 return NULL; 86 87 if (iovlen > aiov_len) 88 iov = kmem_alloc(iovlen * sizeof(*iov), KM_SLEEP); 89 90 iovp = iov; 91 for (i = 0; i < iovlen; iov32 += N_IOV32, i += N_IOV32) { 92 n = iovlen - i; 93 if (n > N_IOV32) 94 n = N_IOV32; 95 error = copyin(iov32, aiov32, n * sizeof (*iov32)); 96 if (error != 0) { 97 if (iov != aiov) 98 kmem_free(iov, iovlen * sizeof(*iov)); 99 return NULL; 100 } 101 for (j = 0; j < n; iovp++, j++) { 102 iovp->iov_base = NETBSD32PTR64(aiov32[j].iov_base); 103 iovp->iov_len = aiov32[j].iov_len; 104 } 105 } 106 return iov; 107 #undef N_IOV32 108 } 109 110 int 111 netbsd32_readv(struct lwp *l, const struct netbsd32_readv_args *uap, register_t *retval) 112 { 113 /* { 114 syscallarg(int) fd; 115 syscallarg(const netbsd32_iovecp_t) iovp; 116 syscallarg(int) iovcnt; 117 } */ 118 int fd = SCARG(uap, fd); 119 file_t *fp; 120 121 if ((fp = fd_getfile(fd)) == NULL) 122 return EBADF; 123 124 if ((fp->f_flag & FREAD) == 0) { 125 fd_putfile(fd); 126 return EBADF; 127 } 128 129 return dofilereadv32(fd, fp, 130 (struct netbsd32_iovec *)SCARG_P32(uap, iovp), 131 SCARG(uap, iovcnt), &fp->f_offset, FOF_UPDATE_OFFSET, retval); 132 } 133 134 /* Damn thing copies in the iovec! */ 135 int 136 dofilereadv32(int fd, struct file *fp, struct netbsd32_iovec *iovp, int iovcnt, off_t *offset, int flags, register_t *retval) 137 { 138 struct uio auio; 139 struct iovec *iov; 140 struct iovec *needfree; 141 struct iovec aiov[UIO_SMALLIOV]; 142 long i, error = 0; 143 size_t cnt; 144 u_int iovlen; 145 struct iovec *ktriov = NULL; 146 147 /* note: can't use iovlen until iovcnt is validated */ 148 iovlen = iovcnt * sizeof(struct iovec); 149 if ((u_int)iovcnt > UIO_SMALLIOV) { 150 if ((u_int)iovcnt > IOV_MAX) { 151 error = EINVAL; 152 goto out; 153 } 154 iov = kmem_alloc(iovlen, KM_SLEEP); 155 needfree = iov; 156 } else if ((u_int)iovcnt > 0) { 157 iov = aiov; 158 needfree = NULL; 159 } else { 160 error = EINVAL; 161 goto out; 162 } 163 164 auio.uio_iov = iov; 165 auio.uio_iovcnt = iovcnt; 166 auio.uio_rw = UIO_READ; 167 auio.uio_vmspace = curproc->p_vmspace; 168 error = netbsd32_to_iovecin(iovp, iov, iovcnt); 169 if (error) 170 goto done; 171 auio.uio_resid = 0; 172 for (i = 0; i < iovcnt; i++) { 173 auio.uio_resid += iov->iov_len; 174 /* 175 * Reads return ssize_t because -1 is returned on error. 176 * Therefore we must restrict the length to SSIZE_MAX to 177 * avoid garbage return values. 178 */ 179 if (iov->iov_len > NETBSD32_SSIZE_MAX || 180 auio.uio_resid > NETBSD32_SSIZE_MAX) { 181 error = EINVAL; 182 goto done; 183 } 184 iov++; 185 } 186 187 /* 188 * if tracing, save a copy of iovec 189 */ 190 if (ktrpoint(KTR_GENIO)) { 191 ktriov = kmem_alloc(iovlen, KM_SLEEP); 192 memcpy((void *)ktriov, (void *)auio.uio_iov, iovlen); 193 } 194 195 cnt = auio.uio_resid; 196 error = (*fp->f_ops->fo_read)(fp, offset, &auio, fp->f_cred, flags); 197 if (error) 198 if (auio.uio_resid != cnt && (error == ERESTART || 199 error == EINTR || error == EWOULDBLOCK)) 200 error = 0; 201 cnt -= auio.uio_resid; 202 203 if (ktriov != NULL) { 204 ktrgeniov(fd, UIO_READ, ktriov, cnt, error); 205 kmem_free(ktriov, iovlen); 206 } 207 208 *retval = cnt; 209 done: 210 if (needfree) 211 kmem_free(needfree, iovlen); 212 out: 213 fd_putfile(fd); 214 return error; 215 } 216 217 int 218 netbsd32_writev(struct lwp *l, const struct netbsd32_writev_args *uap, register_t *retval) 219 { 220 /* { 221 syscallarg(int) fd; 222 syscallarg(const netbsd32_iovecp_t) iovp; 223 syscallarg(int) iovcnt; 224 } */ 225 int fd = SCARG(uap, fd); 226 file_t *fp; 227 228 if ((fp = fd_getfile(fd)) == NULL) 229 return EBADF; 230 231 if ((fp->f_flag & FWRITE) == 0) { 232 fd_putfile(fd); 233 return EBADF; 234 } 235 236 return dofilewritev32(fd, fp, 237 (struct netbsd32_iovec *)SCARG_P32(uap, iovp), 238 SCARG(uap, iovcnt), &fp->f_offset, FOF_UPDATE_OFFSET, retval); 239 } 240 241 int 242 dofilewritev32(int fd, struct file *fp, struct netbsd32_iovec *iovp, int iovcnt, off_t *offset, int flags, register_t *retval) 243 { 244 struct uio auio; 245 struct iovec *iov; 246 struct iovec *needfree; 247 struct iovec aiov[UIO_SMALLIOV]; 248 long i, error = 0; 249 size_t cnt; 250 u_int iovlen; 251 struct iovec *ktriov = NULL; 252 253 /* note: can't use iovlen until iovcnt is validated */ 254 iovlen = iovcnt * sizeof(struct iovec); 255 if ((u_int)iovcnt > UIO_SMALLIOV) { 256 if ((u_int)iovcnt > IOV_MAX) { 257 error = EINVAL; 258 goto out; 259 } 260 iov = kmem_alloc(iovlen, KM_SLEEP); 261 needfree = iov; 262 } else if ((u_int)iovcnt > 0) { 263 iov = aiov; 264 needfree = NULL; 265 } else { 266 error = EINVAL; 267 goto out; 268 } 269 270 auio.uio_iov = iov; 271 auio.uio_iovcnt = iovcnt; 272 auio.uio_rw = UIO_WRITE; 273 auio.uio_vmspace = curproc->p_vmspace; 274 error = netbsd32_to_iovecin(iovp, iov, iovcnt); 275 if (error) 276 goto done; 277 auio.uio_resid = 0; 278 for (i = 0; i < iovcnt; i++) { 279 auio.uio_resid += iov->iov_len; 280 /* 281 * Writes return ssize_t because -1 is returned on error. 282 * Therefore we must restrict the length to SSIZE_MAX to 283 * avoid garbage return values. 284 */ 285 if (iov->iov_len > NETBSD32_SSIZE_MAX || 286 auio.uio_resid > NETBSD32_SSIZE_MAX) { 287 error = EINVAL; 288 goto done; 289 } 290 iov++; 291 } 292 293 /* 294 * if tracing, save a copy of iovec 295 */ 296 if (ktrpoint(KTR_GENIO)) { 297 ktriov = kmem_alloc(iovlen, KM_SLEEP); 298 memcpy((void *)ktriov, (void *)auio.uio_iov, iovlen); 299 } 300 301 cnt = auio.uio_resid; 302 error = (*fp->f_ops->fo_write)(fp, offset, &auio, fp->f_cred, flags); 303 if (error) { 304 if (auio.uio_resid != cnt && (error == ERESTART || 305 error == EINTR || error == EWOULDBLOCK)) 306 error = 0; 307 if (error == EPIPE && (fp->f_flag & FNOSIGPIPE) == 0) { 308 mutex_enter(&proc_lock); 309 psignal(curproc, SIGPIPE); 310 mutex_exit(&proc_lock); 311 } 312 } 313 cnt -= auio.uio_resid; 314 if (ktriov != NULL) { 315 ktrgeniov(fd, UIO_WRITE, ktriov, cnt, error); 316 kmem_free(ktriov, iovlen); 317 } 318 *retval = cnt; 319 done: 320 if (needfree) 321 kmem_free(needfree, iovlen); 322 out: 323 fd_putfile(fd); 324 return error; 325 } 326 327 /* 328 * Common routines to set access and modification times given a vnode. 329 */ 330 static int 331 get_utimes32(const netbsd32_timevalp_t *tptr, struct timeval *tv, 332 struct timeval **tvp) 333 { 334 int error; 335 struct netbsd32_timeval tv32[2]; 336 337 if (tptr == NULL) { 338 *tvp = NULL; 339 return 0; 340 } 341 342 error = copyin(tptr, tv32, sizeof(tv32)); 343 if (error) 344 return error; 345 netbsd32_to_timeval(&tv32[0], &tv[0]); 346 netbsd32_to_timeval(&tv32[1], &tv[1]); 347 348 *tvp = tv; 349 return 0; 350 } 351 352 static int 353 get_utimens32(const netbsd32_timespecp_t *tptr, struct timespec *ts, 354 struct timespec **tsp) 355 { 356 int error; 357 struct netbsd32_timespec ts32[2]; 358 359 if (tptr == NULL) { 360 *tsp = NULL; 361 return 0; 362 } 363 364 error = copyin(tptr, ts32, sizeof(ts32)); 365 if (error) 366 return error; 367 netbsd32_to_timespec(&ts32[0], &ts[0]); 368 netbsd32_to_timespec(&ts32[1], &ts[1]); 369 370 *tsp = ts; 371 return 0; 372 } 373 374 int 375 netbsd32___utimes50(struct lwp *l, const struct netbsd32___utimes50_args *uap, register_t *retval) 376 { 377 /* { 378 syscallarg(const netbsd32_charp) path; 379 syscallarg(const netbsd32_timevalp_t) tptr; 380 } */ 381 int error; 382 struct timeval tv[2], *tvp; 383 384 error = get_utimes32(SCARG_P32(uap, tptr), tv, &tvp); 385 if (error != 0) 386 return error; 387 388 return do_sys_utimes(l, NULL, SCARG_P32(uap, path), FOLLOW, 389 tvp, UIO_SYSSPACE); 390 } 391 392 static int 393 netbsd32_copyout_statvfs(const void *kp, void *up, size_t len) 394 { 395 struct netbsd32_statvfs *sbuf_32; 396 int error; 397 398 sbuf_32 = kmem_alloc(sizeof(*sbuf_32), KM_SLEEP); 399 netbsd32_from_statvfs(kp, sbuf_32); 400 error = copyout(sbuf_32, up, sizeof(*sbuf_32)); 401 kmem_free(sbuf_32, sizeof(*sbuf_32)); 402 403 return error; 404 } 405 406 int 407 netbsd32___statvfs190(struct lwp *l, 408 const struct netbsd32___statvfs190_args *uap, register_t *retval) 409 { 410 /* { 411 syscallarg(const netbsd32_charp) path; 412 syscallarg(netbsd32_statvfsp_t) buf; 413 syscallarg(int) flags; 414 } */ 415 struct statvfs *sb; 416 int error; 417 418 sb = STATVFSBUF_GET(); 419 error = do_sys_pstatvfs(l, SCARG_P32(uap, path), SCARG(uap, flags), sb); 420 if (error == 0) 421 error = netbsd32_copyout_statvfs(sb, SCARG_P32(uap, buf), 0); 422 STATVFSBUF_PUT(sb); 423 return error; 424 } 425 426 int 427 netbsd32___fstatvfs190(struct lwp *l, 428 const struct netbsd32___fstatvfs190_args *uap, register_t *retval) 429 { 430 /* { 431 syscallarg(int) fd; 432 syscallarg(netbsd32_statvfsp_t) buf; 433 syscallarg(int) flags; 434 } */ 435 struct statvfs *sb; 436 int error; 437 438 sb = STATVFSBUF_GET(); 439 error = do_sys_fstatvfs(l, SCARG(uap, fd), SCARG(uap, flags), sb); 440 if (error == 0) 441 error = netbsd32_copyout_statvfs(sb, SCARG_P32(uap, buf), 0); 442 STATVFSBUF_PUT(sb); 443 return error; 444 } 445 446 int 447 netbsd32___getvfsstat90(struct lwp *l, 448 const struct netbsd32___getvfsstat90_args *uap, register_t *retval) 449 { 450 /* { 451 syscallarg(netbsd32_statvfsp_t) buf; 452 syscallarg(netbsd32_size_t) bufsize; 453 syscallarg(int) flags; 454 } */ 455 456 return do_sys_getvfsstat(l, SCARG_P32(uap, buf), SCARG(uap, bufsize), 457 SCARG(uap, flags), netbsd32_copyout_statvfs, 458 sizeof (struct netbsd32_statvfs), retval); 459 } 460 461 int 462 netbsd32___fhstatvfs190(struct lwp *l, 463 const struct netbsd32___fhstatvfs190_args *uap, register_t *retval) 464 { 465 /* { 466 syscallarg(const netbsd32_pointer_t) fhp; 467 syscallarg(netbsd32_size_t) fh_size; 468 syscallarg(netbsd32_statvfsp_t) buf; 469 syscallarg(int) flags; 470 } */ 471 struct statvfs *sb; 472 int error; 473 474 sb = STATVFSBUF_GET(); 475 error = do_fhstatvfs(l, SCARG_P32(uap, fhp), SCARG(uap, fh_size), sb, 476 SCARG(uap, flags)); 477 478 if (error == 0) 479 error = netbsd32_copyout_statvfs(sb, SCARG_P32(uap, buf), 0); 480 STATVFSBUF_PUT(sb); 481 482 return error; 483 } 484 485 int 486 netbsd32___futimes50(struct lwp *l, const struct netbsd32___futimes50_args *uap, register_t *retval) 487 { 488 /* { 489 syscallarg(int) fd; 490 syscallarg(const netbsd32_timevalp_t) tptr; 491 } */ 492 int error; 493 file_t *fp; 494 struct timeval tv[2], *tvp; 495 496 error = get_utimes32(SCARG_P32(uap, tptr), tv, &tvp); 497 if (error != 0) 498 return error; 499 500 /* fd_getvnode() will use the descriptor for us */ 501 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 502 return error; 503 504 error = do_sys_utimes(l, fp->f_vnode, NULL, 0, tvp, UIO_SYSSPACE); 505 506 fd_putfile(SCARG(uap, fd)); 507 return error; 508 } 509 510 int 511 netbsd32___getdents30(struct lwp *l, 512 const struct netbsd32___getdents30_args *uap, register_t *retval) 513 { 514 /* { 515 syscallarg(int) fd; 516 syscallarg(netbsd32_charp) buf; 517 syscallarg(netbsd32_size_t) count; 518 } */ 519 file_t *fp; 520 int error, done; 521 522 /* fd_getvnode() will use the descriptor for us */ 523 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 524 return error; 525 if ((fp->f_flag & FREAD) == 0) { 526 error = EBADF; 527 goto out; 528 } 529 error = vn_readdir(fp, SCARG_P32(uap, buf), 530 UIO_USERSPACE, SCARG(uap, count), &done, l, 0, 0); 531 ktrgenio(SCARG(uap, fd), UIO_READ, SCARG_P32(uap, buf), done, error); 532 *retval = done; 533 out: 534 fd_putfile(SCARG(uap, fd)); 535 return error; 536 } 537 538 int 539 netbsd32___lutimes50(struct lwp *l, 540 const struct netbsd32___lutimes50_args *uap, register_t *retval) 541 { 542 /* { 543 syscallarg(const netbsd32_charp) path; 544 syscallarg(const netbsd32_timevalp_t) tptr; 545 } */ 546 int error; 547 struct timeval tv[2], *tvp; 548 549 error = get_utimes32(SCARG_P32(uap, tptr), tv, &tvp); 550 if (error != 0) 551 return error; 552 553 return do_sys_utimes(l, NULL, SCARG_P32(uap, path), NOFOLLOW, 554 tvp, UIO_SYSSPACE); 555 } 556 557 int 558 netbsd32___stat50(struct lwp *l, const struct netbsd32___stat50_args *uap, register_t *retval) 559 { 560 /* { 561 syscallarg(const netbsd32_charp) path; 562 syscallarg(netbsd32_statp_t) ub; 563 } */ 564 struct netbsd32_stat sb32; 565 struct stat sb; 566 int error; 567 const char *path; 568 569 path = SCARG_P32(uap, path); 570 571 error = do_sys_stat(path, FOLLOW, &sb); 572 if (error) 573 return error; 574 netbsd32_from_stat(&sb, &sb32); 575 error = copyout(&sb32, SCARG_P32(uap, ub), sizeof(sb32)); 576 return error; 577 } 578 579 int 580 netbsd32___fstat50(struct lwp *l, const struct netbsd32___fstat50_args *uap, register_t *retval) 581 { 582 /* { 583 syscallarg(int) fd; 584 syscallarg(netbsd32_statp_t) sb; 585 } */ 586 struct netbsd32_stat sb32; 587 struct stat ub; 588 int error; 589 590 error = do_sys_fstat(SCARG(uap, fd), &ub); 591 if (error == 0) { 592 netbsd32_from_stat(&ub, &sb32); 593 error = copyout(&sb32, SCARG_P32(uap, sb), sizeof(sb32)); 594 } 595 return error; 596 } 597 598 int 599 netbsd32___lstat50(struct lwp *l, const struct netbsd32___lstat50_args *uap, register_t *retval) 600 { 601 /* { 602 syscallarg(const netbsd32_charp) path; 603 syscallarg(netbsd32_statp_t) ub; 604 } */ 605 struct netbsd32_stat sb32; 606 struct stat sb; 607 int error; 608 const char *path; 609 610 path = SCARG_P32(uap, path); 611 612 error = do_sys_stat(path, NOFOLLOW, &sb); 613 if (error) 614 return error; 615 netbsd32_from_stat(&sb, &sb32); 616 error = copyout(&sb32, SCARG_P32(uap, ub), sizeof(sb32)); 617 return error; 618 } 619 620 int 621 netbsd32___fhstat50(struct lwp *l, const struct netbsd32___fhstat50_args *uap, register_t *retval) 622 { 623 /* { 624 syscallarg(const netbsd32_pointer_t) fhp; 625 syscallarg(netbsd32_size_t) fh_size; 626 syscallarg(netbsd32_statp_t) sb; 627 } */ 628 struct stat sb; 629 struct netbsd32_stat sb32; 630 int error; 631 632 error = do_fhstat(l, SCARG_P32(uap, fhp), SCARG(uap, fh_size), &sb); 633 if (error == 0) { 634 netbsd32_from_stat(&sb, &sb32); 635 error = copyout(&sb32, SCARG_P32(uap, sb), sizeof(sb32)); 636 } 637 return error; 638 } 639 640 int 641 netbsd32_preadv(struct lwp *l, const struct netbsd32_preadv_args *uap, register_t *retval) 642 { 643 /* { 644 syscallarg(int) fd; 645 syscallarg(const netbsd32_iovecp_t) iovp; 646 syscallarg(int) iovcnt; 647 syscallarg(int) pad; 648 syscallarg(netbsd32_off_t) offset; 649 } */ 650 file_t *fp; 651 off_t offset; 652 int error, fd = SCARG(uap, fd); 653 654 if ((fp = fd_getfile(fd)) == NULL) 655 return EBADF; 656 657 if ((fp->f_flag & FREAD) == 0) { 658 fd_putfile(fd); 659 return EBADF; 660 } 661 662 if (fp->f_ops->fo_seek == NULL) { 663 error = ESPIPE; 664 goto out; 665 } 666 667 offset = SCARG(uap, offset); 668 error = (*fp->f_ops->fo_seek)(fp, offset, SEEK_SET, &offset, 0); 669 if (error) 670 goto out; 671 672 return dofilereadv32(fd, fp, SCARG_P32(uap, iovp), 673 SCARG(uap, iovcnt), &offset, 0, retval); 674 675 out: 676 fd_putfile(fd); 677 return error; 678 } 679 680 int 681 netbsd32_pwritev(struct lwp *l, const struct netbsd32_pwritev_args *uap, register_t *retval) 682 { 683 /* { 684 syscallarg(int) fd; 685 syscallarg(const netbsd32_iovecp_t) iovp; 686 syscallarg(int) iovcnt; 687 syscallarg(int) pad; 688 syscallarg(netbsd32_off_t) offset; 689 } */ 690 file_t *fp; 691 off_t offset; 692 int error, fd = SCARG(uap, fd); 693 694 if ((fp = fd_getfile(fd)) == NULL) 695 return EBADF; 696 697 if ((fp->f_flag & FWRITE) == 0) { 698 fd_putfile(fd); 699 return EBADF; 700 } 701 702 if (fp->f_ops->fo_seek == NULL) { 703 error = ESPIPE; 704 goto out; 705 } 706 707 offset = SCARG(uap, offset); 708 error = (*fp->f_ops->fo_seek)(fp, offset, SEEK_SET, &offset, 0); 709 if (error) 710 goto out; 711 712 return dofilewritev32(fd, fp, SCARG_P32(uap, iovp), 713 SCARG(uap, iovcnt), &offset, 0, retval); 714 715 out: 716 fd_putfile(fd); 717 return error; 718 } 719 720 /* 721 * Find pathname of process's current directory. 722 * 723 * Use vfs vnode-to-name reverse cache; if that fails, fall back 724 * to reading directory contents. 725 */ 726 int 727 netbsd32___getcwd(struct lwp *l, const struct netbsd32___getcwd_args *uap, register_t *retval) 728 { 729 /* { 730 syscallarg(char *) bufp; 731 syscallarg(size_t) length; 732 } */ 733 struct proc *p = l->l_proc; 734 int error; 735 char *path; 736 char *bp, *bend; 737 int len = (int)SCARG(uap, length); 738 int lenused; 739 struct cwdinfo *cwdi; 740 741 if (len > MAXPATHLEN*4) 742 len = MAXPATHLEN*4; 743 else if (len < 2) 744 return ERANGE; 745 746 path = kmem_alloc(len, KM_SLEEP); 747 bp = &path[len]; 748 bend = bp; 749 *(--bp) = '\0'; 750 751 /* 752 * 5th argument here is "max number of vnodes to traverse". 753 * Since each entry takes up at least 2 bytes in the output buffer, 754 * limit it to N/2 vnodes for an N byte buffer. 755 */ 756 #define GETCWD_CHECK_ACCESS 0x0001 757 cwdi = p->p_cwdi; 758 rw_enter(&cwdi->cwdi_lock, RW_READER); 759 error = getcwd_common (cwdi->cwdi_cdir, NULL, &bp, path, len/2, 760 GETCWD_CHECK_ACCESS, l); 761 rw_exit(&cwdi->cwdi_lock); 762 763 if (error) 764 goto out; 765 lenused = bend - bp; 766 *retval = lenused; 767 /* put the result into user buffer */ 768 error = copyout(bp, SCARG_P32(uap, bufp), lenused); 769 770 out: 771 kmem_free(path, len); 772 return error; 773 } 774 775 int 776 netbsd32___mount50(struct lwp *l, const struct netbsd32___mount50_args *uap, 777 register_t *retval) 778 { 779 /* { 780 syscallarg(netbsd32_charp) type; 781 syscallarg(netbsd32_charp) path; 782 syscallarg(int) flags; 783 syscallarg(netbsd32_voidp) data; 784 syscallarg(netbsd32_size_t) data_len; 785 } */ 786 char mtype[MNAMELEN]; 787 union { 788 struct netbsd32_ufs_args ufs_args; 789 struct netbsd32_mfs_args mfs_args; 790 struct netbsd32_iso_args iso_args; 791 struct netbsd32_nfs_args nfs_args; 792 struct netbsd32_msdosfs_args msdosfs_args; 793 struct netbsd32_tmpfs_args tmpfs_args; 794 struct netbsd32_null_args null_args; 795 } fs_args32; 796 union { 797 struct ufs_args ufs_args; 798 struct mfs_args mfs_args; 799 struct iso_args iso_args; 800 struct nfs_args nfs_args; 801 struct msdosfs_args msdosfs_args; 802 struct tmpfs_args tmpfs_args; 803 struct null_args null_args; 804 } fs_args; 805 const char *type = SCARG_P32(uap, type); 806 const char *path = SCARG_P32(uap, path); 807 int flags = SCARG(uap, flags); 808 void *data, *udata; 809 size_t data_len = SCARG(uap, data_len); 810 enum uio_seg data_seg; 811 size_t len; 812 int error; 813 814 udata = data = SCARG_P32(uap, data); 815 memset(&fs_args32, 0, sizeof(fs_args32)); 816 memset(&fs_args, 0, sizeof(fs_args)); 817 818 error = copyinstr(type, mtype, sizeof(mtype), &len); 819 if (error) 820 return error; 821 822 if (strcmp(mtype, MOUNT_TMPFS) == 0) { 823 if (data_len != 0 && data_len < sizeof(fs_args32.tmpfs_args)) 824 return EINVAL; 825 if ((flags & MNT_GETARGS) == 0) { 826 error = copyin(data, &fs_args32.tmpfs_args, 827 sizeof(fs_args32.tmpfs_args)); 828 if (error) 829 return error; 830 fs_args.tmpfs_args.ta_version = 831 fs_args32.tmpfs_args.ta_version; 832 fs_args.tmpfs_args.ta_nodes_max = 833 fs_args32.tmpfs_args.ta_nodes_max; 834 fs_args.tmpfs_args.ta_size_max = 835 fs_args32.tmpfs_args.ta_size_max; 836 fs_args.tmpfs_args.ta_root_uid = 837 fs_args32.tmpfs_args.ta_root_uid; 838 fs_args.tmpfs_args.ta_root_gid = 839 fs_args32.tmpfs_args.ta_root_gid; 840 fs_args.tmpfs_args.ta_root_mode = 841 fs_args32.tmpfs_args.ta_root_mode; 842 } 843 data_seg = UIO_SYSSPACE; 844 data = &fs_args.tmpfs_args; 845 data_len = sizeof(fs_args.tmpfs_args); 846 } else if (strcmp(mtype, MOUNT_MFS) == 0) { 847 if (data_len != 0 && data_len < sizeof(fs_args32.mfs_args)) 848 return EINVAL; 849 if ((flags & MNT_GETARGS) == 0) { 850 error = copyin(data, &fs_args32.mfs_args, 851 sizeof(fs_args32.mfs_args)); 852 if (error) 853 return error; 854 fs_args.mfs_args.fspec = 855 NETBSD32PTR64(fs_args32.mfs_args.fspec); 856 memset(&fs_args.mfs_args._pad1, 0, 857 sizeof(fs_args.mfs_args._pad1)); 858 fs_args.mfs_args.base = 859 NETBSD32PTR64(fs_args32.mfs_args.base); 860 fs_args.mfs_args.size = fs_args32.mfs_args.size; 861 } 862 data_seg = UIO_SYSSPACE; 863 data = &fs_args.mfs_args; 864 data_len = sizeof(fs_args.mfs_args); 865 } else if ((strcmp(mtype, MOUNT_UFS) == 0) || 866 (strcmp(mtype, MOUNT_EXT2FS) == 0) || 867 (strcmp(mtype, MOUNT_LFS) == 0)) { 868 if (data_len != 0 && data_len < sizeof(fs_args32.ufs_args)) 869 return EINVAL; 870 if ((flags & MNT_GETARGS) == 0) { 871 error = copyin(data, &fs_args32.ufs_args, 872 sizeof(fs_args32.ufs_args)); 873 if (error) 874 return error; 875 fs_args.ufs_args.fspec = 876 NETBSD32PTR64(fs_args32.ufs_args.fspec); 877 } 878 data_seg = UIO_SYSSPACE; 879 data = &fs_args.ufs_args; 880 data_len = sizeof(fs_args.ufs_args); 881 } else if (strcmp(mtype, MOUNT_CD9660) == 0) { 882 if (data_len != 0 && data_len < sizeof(fs_args32.iso_args)) 883 return EINVAL; 884 if ((flags & MNT_GETARGS) == 0) { 885 error = copyin(data, &fs_args32.iso_args, 886 sizeof(fs_args32.iso_args)); 887 if (error) 888 return error; 889 fs_args.iso_args.fspec = 890 NETBSD32PTR64(fs_args32.iso_args.fspec); 891 memset(&fs_args.iso_args._pad1, 0, 892 sizeof(fs_args.iso_args._pad1)); 893 fs_args.iso_args.flags = fs_args32.iso_args.flags; 894 } 895 data_seg = UIO_SYSSPACE; 896 data = &fs_args.iso_args; 897 data_len = sizeof(fs_args.iso_args); 898 } else if (strcmp(mtype, MOUNT_MSDOS) == 0) { 899 if (data_len < sizeof(fs_args32.msdosfs_args)) 900 return EINVAL; 901 if ((flags & MNT_GETARGS) == 0) { 902 error = copyin(data, &fs_args32.msdosfs_args, 903 sizeof(fs_args32.msdosfs_args)); 904 if (error) 905 return error; 906 fs_args.msdosfs_args.fspec = 907 NETBSD32PTR64(fs_args32.msdosfs_args.fspec); 908 memset(&fs_args.msdosfs_args._pad1, 0, 909 sizeof(fs_args.msdosfs_args._pad1)); 910 fs_args.msdosfs_args.uid = 911 fs_args32.msdosfs_args.uid; 912 fs_args.msdosfs_args.gid = 913 fs_args32.msdosfs_args.gid; 914 fs_args.msdosfs_args.mask = 915 fs_args32.msdosfs_args.mask; 916 fs_args.msdosfs_args.flags = 917 fs_args32.msdosfs_args.flags; 918 fs_args.msdosfs_args.version = 919 fs_args32.msdosfs_args.version; 920 fs_args.msdosfs_args.dirmask = 921 fs_args32.msdosfs_args.dirmask; 922 fs_args.msdosfs_args.gmtoff = 923 fs_args32.msdosfs_args.gmtoff; 924 } 925 data_seg = UIO_SYSSPACE; 926 data = &fs_args.msdosfs_args; 927 data_len = sizeof(fs_args.msdosfs_args); 928 } else if (strcmp(mtype, MOUNT_NFS) == 0) { 929 if (data_len != 0 && data_len < sizeof(fs_args32.nfs_args)) 930 return EINVAL; 931 /* XXX: NFS requires copyin even with MNT_GETARGS */ 932 if ((flags & MNT_GETARGS) == 0) { 933 error = copyin(data, &fs_args32.nfs_args, 934 sizeof(fs_args32.nfs_args)); 935 if (error) 936 return error; 937 fs_args.nfs_args.version = fs_args32.nfs_args.version; 938 fs_args.nfs_args.addr = 939 NETBSD32PTR64(fs_args32.nfs_args.addr); 940 memcpy(&fs_args.nfs_args.addrlen, 941 &fs_args32.nfs_args.addrlen, 942 offsetof(struct nfs_args, fh) 943 - offsetof(struct nfs_args, addrlen)); 944 fs_args.nfs_args.fh = 945 NETBSD32PTR64(fs_args32.nfs_args.fh); 946 memcpy(&fs_args.nfs_args.fhsize, 947 &fs_args32.nfs_args.fhsize, 948 offsetof(struct nfs_args, hostname) 949 - offsetof(struct nfs_args, fhsize)); 950 fs_args.nfs_args.hostname = 951 NETBSD32PTR64(fs_args32.nfs_args.hostname); 952 } 953 data_seg = UIO_SYSSPACE; 954 data = &fs_args.nfs_args; 955 data_len = sizeof(fs_args.nfs_args); 956 } else if (strcmp(mtype, MOUNT_NULL) == 0) { 957 if (data_len != 0 && data_len < sizeof(fs_args32.null_args)) 958 return EINVAL; 959 if ((flags & MNT_GETARGS) == 0) { 960 error = copyin(data, &fs_args32.null_args, 961 sizeof(fs_args32.null_args)); 962 if (error) 963 return error; 964 fs_args.null_args.la.target = 965 NETBSD32PTR64(fs_args32.null_args.la.target); 966 } 967 data_seg = UIO_SYSSPACE; 968 data = &fs_args.null_args; 969 data_len = sizeof(fs_args.null_args); 970 } else { 971 data_seg = UIO_USERSPACE; 972 } 973 974 error = do_sys_mount(l, mtype, UIO_SYSSPACE, path, flags, data, data_seg, 975 data_len, retval); 976 if (error) 977 return error; 978 979 if (flags & MNT_GETARGS) { 980 data_len = *retval; 981 if (strcmp(mtype, MOUNT_TMPFS) == 0) { 982 if (data_len != 0 && 983 data_len != sizeof(fs_args.tmpfs_args)) 984 return EINVAL; 985 fs_args32.tmpfs_args.ta_version = 986 fs_args.tmpfs_args.ta_version; 987 fs_args32.tmpfs_args.ta_nodes_max = 988 fs_args.tmpfs_args.ta_nodes_max; 989 fs_args32.tmpfs_args.ta_size_max = 990 fs_args.tmpfs_args.ta_size_max; 991 fs_args32.tmpfs_args.ta_root_uid = 992 fs_args.tmpfs_args.ta_root_uid; 993 fs_args32.tmpfs_args.ta_root_gid = 994 fs_args.tmpfs_args.ta_root_gid; 995 fs_args32.tmpfs_args.ta_root_mode = 996 fs_args.tmpfs_args.ta_root_mode; 997 error = copyout(&fs_args32.tmpfs_args, udata, 998 sizeof(fs_args32.tmpfs_args)); 999 *retval = sizeof(fs_args32.tmpfs_args); 1000 } else if (strcmp(mtype, MOUNT_MFS) == 0) { 1001 if (data_len != 0 && 1002 data_len != sizeof(fs_args.mfs_args)) 1003 return EINVAL; 1004 NETBSD32PTR32(fs_args32.mfs_args.fspec, 1005 fs_args.mfs_args.fspec); 1006 memset(&fs_args32.mfs_args._pad1, 0, 1007 sizeof(fs_args32.mfs_args._pad1)); 1008 NETBSD32PTR32(fs_args32.mfs_args.base, 1009 fs_args.mfs_args.base); 1010 fs_args32.mfs_args.size = fs_args.mfs_args.size; 1011 error = copyout(&fs_args32.mfs_args, udata, 1012 sizeof(fs_args32.mfs_args)); 1013 *retval = sizeof(fs_args32.mfs_args); 1014 } else if (strcmp(mtype, MOUNT_UFS) == 0) { 1015 if (data_len != 0 && 1016 data_len != sizeof(fs_args.ufs_args)) 1017 return EINVAL; 1018 NETBSD32PTR32(fs_args32.ufs_args.fspec, 1019 fs_args.ufs_args.fspec); 1020 error = copyout(&fs_args32.ufs_args, udata, 1021 sizeof(fs_args32.ufs_args)); 1022 *retval = sizeof(fs_args32.ufs_args); 1023 } else if (strcmp(mtype, MOUNT_CD9660) == 0) { 1024 if (data_len != 0 && 1025 data_len != sizeof(fs_args.iso_args)) 1026 return EINVAL; 1027 NETBSD32PTR32(fs_args32.iso_args.fspec, 1028 fs_args.iso_args.fspec); 1029 memset(&fs_args32.iso_args._pad1, 0, 1030 sizeof(fs_args32.iso_args._pad1)); 1031 fs_args32.iso_args.flags = fs_args.iso_args.flags; 1032 error = copyout(&fs_args32.iso_args, udata, 1033 sizeof(fs_args32.iso_args)); 1034 *retval = sizeof(fs_args32.iso_args); 1035 } else if (strcmp(mtype, MOUNT_NFS) == 0) { 1036 if (data_len != 0 && 1037 data_len != sizeof(fs_args.nfs_args)) 1038 return EINVAL; 1039 NETBSD32PTR32(fs_args32.nfs_args.addr, 1040 fs_args.nfs_args.addr); 1041 memcpy(&fs_args32.nfs_args.addrlen, 1042 &fs_args.nfs_args.addrlen, 1043 offsetof(struct nfs_args, fh) 1044 - offsetof(struct nfs_args, addrlen)); 1045 NETBSD32PTR32(fs_args32.nfs_args.fh, 1046 fs_args.nfs_args.fh); 1047 memcpy(&fs_args32.nfs_args.fhsize, 1048 &fs_args.nfs_args.fhsize, 1049 offsetof(struct nfs_args, hostname) 1050 - offsetof(struct nfs_args, fhsize)); 1051 NETBSD32PTR32(fs_args32.nfs_args.hostname, 1052 fs_args.nfs_args.hostname); 1053 error = copyout(&fs_args32.nfs_args, udata, 1054 sizeof(fs_args32.nfs_args)); 1055 *retval = sizeof(fs_args32.nfs_args); 1056 } else if (strcmp(mtype, MOUNT_NULL) == 0) { 1057 if (data_len != 0 && 1058 data_len != sizeof(fs_args.null_args)) 1059 return EINVAL; 1060 NETBSD32PTR32(fs_args32.null_args.la.target, 1061 fs_args.null_args.la.target); 1062 error = copyout(&fs_args32.null_args, udata, 1063 sizeof(fs_args32.null_args)); 1064 *retval = sizeof(fs_args32.null_args); 1065 } 1066 } 1067 return error; 1068 } 1069 1070 int 1071 netbsd32_linkat(struct lwp *l, const struct netbsd32_linkat_args *uap, 1072 register_t *retval) 1073 { 1074 /* { 1075 syscallarg(int) fd1; 1076 syscallarg(const netbsd32_charp) name1; 1077 syscallarg(int) fd2; 1078 syscallarg(const netbsd32_charp) name2; 1079 syscallarg(int) flags; 1080 } */ 1081 struct sys_linkat_args ua; 1082 1083 NETBSD32TO64_UAP(fd1); 1084 NETBSD32TOP_UAP(name1, const char); 1085 NETBSD32TO64_UAP(fd2); 1086 NETBSD32TOP_UAP(name2, const char); 1087 NETBSD32TO64_UAP(flags); 1088 1089 return sys_linkat(l, &ua, retval); 1090 } 1091 1092 int 1093 netbsd32_renameat(struct lwp *l, const struct netbsd32_renameat_args *uap, 1094 register_t *retval) 1095 { 1096 /* { 1097 syscallarg(int) fromfd; 1098 syscallarg(const netbsd32_charp) from; 1099 syscallarg(int) tofd; 1100 syscallarg(const netbsd32_charp) to; 1101 } */ 1102 struct sys_renameat_args ua; 1103 1104 NETBSD32TO64_UAP(fromfd); 1105 NETBSD32TOP_UAP(from, const char); 1106 NETBSD32TO64_UAP(tofd); 1107 NETBSD32TOP_UAP(to, const char); 1108 1109 return sys_renameat(l, &ua, retval); 1110 } 1111 1112 int 1113 netbsd32_mkfifoat(struct lwp *l, const struct netbsd32_mkfifoat_args *uap, 1114 register_t *retval) 1115 { 1116 /* { 1117 syscallarg(int) fd; 1118 syscallarg(const netbsd32_charp) path; 1119 syscallarg(mode_t) mode; 1120 } */ 1121 struct sys_mkfifoat_args ua; 1122 1123 NETBSD32TO64_UAP(fd); 1124 NETBSD32TOP_UAP(path, const char); 1125 NETBSD32TO64_UAP(mode); 1126 1127 return sys_mkfifoat(l, &ua, retval); 1128 } 1129 1130 int 1131 netbsd32_mknodat(struct lwp *l, const struct netbsd32_mknodat_args *uap, 1132 register_t *retval) 1133 { 1134 /* { 1135 syscallarg(int) fd; 1136 syscallarg(netbsd32_charp) path; 1137 syscallarg(mode_t) mode; 1138 syscallarg(int) pad; 1139 syscallarg(netbsd32_dev_t) dev; 1140 } */ 1141 struct sys_mknodat_args ua; 1142 1143 NETBSD32TO64_UAP(fd); 1144 NETBSD32TOP_UAP(path, const char); 1145 NETBSD32TO64_UAP(mode); 1146 NETBSD32TO64_UAP(PAD); 1147 NETBSD32TO64_UAP(dev); 1148 1149 return sys_mknodat(l, &ua, retval); 1150 } 1151 1152 int 1153 netbsd32_mkdirat(struct lwp *l, const struct netbsd32_mkdirat_args *uap, 1154 register_t *retval) 1155 { 1156 /* { 1157 syscallarg(int) fd; 1158 syscallarg(netbsd32_charp) path; 1159 syscallarg(mode_t) mode; 1160 } */ 1161 struct sys_mkdirat_args ua; 1162 1163 NETBSD32TO64_UAP(fd); 1164 NETBSD32TOP_UAP(path, const char); 1165 NETBSD32TO64_UAP(mode); 1166 1167 return sys_mkdirat(l, &ua, retval); 1168 } 1169 1170 int 1171 netbsd32_faccessat(struct lwp *l, const struct netbsd32_faccessat_args *uap, 1172 register_t *retval) 1173 { 1174 /* { 1175 syscallarg(int) fd; 1176 syscallarg(netbsd32_charp) path; 1177 syscallarg(int) amode; 1178 syscallarg(int) flag; 1179 } */ 1180 struct sys_faccessat_args ua; 1181 1182 NETBSD32TO64_UAP(fd); 1183 NETBSD32TOP_UAP(path, const char); 1184 NETBSD32TO64_UAP(amode); 1185 NETBSD32TO64_UAP(flag); 1186 1187 return sys_faccessat(l, &ua, retval); 1188 } 1189 1190 int 1191 netbsd32_fchmodat(struct lwp *l, const struct netbsd32_fchmodat_args *uap, 1192 register_t *retval) 1193 { 1194 /* { 1195 syscallarg(int) fd; 1196 syscallarg(netbsd32_charp) path; 1197 syscallarg(mode_t) mode; 1198 syscallarg(int) flag; 1199 } */ 1200 struct sys_fchmodat_args ua; 1201 1202 NETBSD32TO64_UAP(fd); 1203 NETBSD32TOP_UAP(path, const char); 1204 NETBSD32TO64_UAP(mode); 1205 NETBSD32TO64_UAP(flag); 1206 1207 return sys_fchmodat(l, &ua, retval); 1208 } 1209 1210 int 1211 netbsd32_fchownat(struct lwp *l, const struct netbsd32_fchownat_args *uap, 1212 register_t *retval) 1213 { 1214 /* { 1215 syscallarg(int) fd; 1216 syscallarg(netbsd32_charp) path; 1217 syscallarg(uid_t) owner; 1218 syscallarg(gid_t) group; 1219 syscallarg(int) flag; 1220 } */ 1221 struct sys_fchownat_args ua; 1222 1223 NETBSD32TO64_UAP(fd); 1224 NETBSD32TOP_UAP(path, const char); 1225 NETBSD32TO64_UAP(owner); 1226 NETBSD32TO64_UAP(group); 1227 NETBSD32TO64_UAP(flag); 1228 1229 return sys_fchownat(l, &ua, retval); 1230 } 1231 1232 int 1233 netbsd32_fstatat(struct lwp *l, const struct netbsd32_fstatat_args *uap, 1234 register_t *retval) 1235 { 1236 /* { 1237 syscallarg(int) fd; 1238 syscallarg(netbsd32_charp) path; 1239 syscallarg(netbsd32_statp_t) buf; 1240 syscallarg(int) flag; 1241 } */ 1242 struct netbsd32_stat sb32; 1243 struct stat sb; 1244 int follow; 1245 int error; 1246 1247 follow = (SCARG(uap, flag) & AT_SYMLINK_NOFOLLOW) ? NOFOLLOW : FOLLOW; 1248 1249 error = do_sys_statat(l, SCARG(uap, fd), SCARG_P32(uap, path), 1250 follow, &sb); 1251 if (error) 1252 return error; 1253 netbsd32_from_stat(&sb, &sb32); 1254 return copyout(&sb32, SCARG_P32(uap, buf), sizeof(sb32)); 1255 } 1256 1257 int 1258 netbsd32_utimensat(struct lwp *l, const struct netbsd32_utimensat_args *uap, 1259 register_t *retval) 1260 { 1261 /* { 1262 syscallarg(int) fd; 1263 syscallarg(netbsd32_charp) path; 1264 syscallarg(netbsd32_timespecp_t) tptr; 1265 syscallarg(int) flag; 1266 } */ 1267 struct timespec ts[2], *tsp; 1268 int follow; 1269 int error; 1270 1271 error = get_utimens32(SCARG_P32(uap, tptr), ts, &tsp); 1272 if (error != 0) 1273 return error; 1274 1275 follow = (SCARG(uap, flag) & AT_SYMLINK_NOFOLLOW) ? NOFOLLOW : FOLLOW; 1276 1277 return do_sys_utimensat(l, SCARG(uap, fd), NULL, 1278 SCARG_P32(uap, path), follow, tsp, UIO_SYSSPACE); 1279 } 1280 1281 int 1282 netbsd32_openat(struct lwp *l, const struct netbsd32_openat_args *uap, 1283 register_t *retval) 1284 { 1285 /* { 1286 syscallarg(int) fd; 1287 syscallarg(netbsd32_charp) path; 1288 syscallarg(int) oflags; 1289 syscallarg(mode_t) mode; 1290 } */ 1291 struct sys_openat_args ua; 1292 1293 NETBSD32TO64_UAP(fd); 1294 NETBSD32TOP_UAP(path, const char); 1295 NETBSD32TO64_UAP(oflags); 1296 NETBSD32TO64_UAP(mode); 1297 1298 return sys_openat(l, &ua, retval); 1299 } 1300 1301 int 1302 netbsd32_readlinkat(struct lwp *l, const struct netbsd32_readlinkat_args *uap, 1303 register_t *retval) 1304 { 1305 /* { 1306 syscallarg(int) fd; 1307 syscallarg(netbsd32_charp) path; 1308 syscallarg(netbsd32_charp) buf; 1309 syscallarg(netbsd32_size_t) bufsize; 1310 } */ 1311 struct sys_readlinkat_args ua; 1312 1313 NETBSD32TO64_UAP(fd); 1314 NETBSD32TOP_UAP(path, const char *); 1315 NETBSD32TOP_UAP(buf, char *); 1316 NETBSD32TOX_UAP(bufsize, size_t); 1317 1318 return sys_readlinkat(l, &ua, retval); 1319 } 1320 1321 int 1322 netbsd32_symlinkat(struct lwp *l, const struct netbsd32_symlinkat_args *uap, 1323 register_t *retval) 1324 { 1325 /* { 1326 syscallarg(netbsd32_charp) path1; 1327 syscallarg(int) fd; 1328 syscallarg(netbsd32_charp) path2; 1329 } */ 1330 struct sys_symlinkat_args ua; 1331 1332 NETBSD32TOP_UAP(path1, const char *); 1333 NETBSD32TO64_UAP(fd); 1334 NETBSD32TOP_UAP(path2, const char *); 1335 1336 return sys_symlinkat(l, &ua, retval); 1337 } 1338 1339 int 1340 netbsd32_unlinkat(struct lwp *l, const struct netbsd32_unlinkat_args *uap, 1341 register_t *retval) 1342 { 1343 /* { 1344 syscallarg(int) fd; 1345 syscallarg(netbsd32_charp) path; 1346 syscallarg(int) flag; 1347 } */ 1348 struct sys_unlinkat_args ua; 1349 1350 NETBSD32TO64_UAP(fd); 1351 NETBSD32TOP_UAP(path, const char *); 1352 NETBSD32TO64_UAP(flag); 1353 1354 return sys_unlinkat(l, &ua, retval); 1355 } 1356 1357 int 1358 netbsd32_futimens(struct lwp *l, const struct netbsd32_futimens_args *uap, 1359 register_t *retval) 1360 { 1361 /* { 1362 syscallarg(int) fd; 1363 syscallarg(netbsd32_timespecp_t) tptr; 1364 } */ 1365 struct timespec ts[2], *tsp; 1366 file_t *fp; 1367 int error; 1368 1369 error = get_utimens32(SCARG_P32(uap, tptr), ts, &tsp); 1370 if (error != 0) 1371 return error; 1372 1373 /* fd_getvnode() will use the descriptor for us */ 1374 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 1375 return error; 1376 error = do_sys_utimensat(l, AT_FDCWD, fp->f_vnode, NULL, 0, 1377 tsp, UIO_SYSSPACE); 1378 fd_putfile(SCARG(uap, fd)); 1379 return error; 1380 } 1381