netbsd32_fs.c revision 1.72
1 /* $NetBSD: netbsd32_fs.c,v 1.72 2014/10/05 20:17:28 christos 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 1.72 2014/10/05 20:17:28 christos 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 58 #define NFS_ARGS_ONLY 59 #include <nfs/nfsmount.h> 60 61 #include <compat/netbsd32/netbsd32.h> 62 #include <compat/netbsd32/netbsd32_syscallargs.h> 63 #include <compat/netbsd32/netbsd32_conv.h> 64 #include <compat/sys/mount.h> 65 66 67 static int dofilereadv32(int, struct file *, struct netbsd32_iovec *, 68 int, off_t *, int, register_t *); 69 static int dofilewritev32(int, struct file *, struct netbsd32_iovec *, 70 int, off_t *, int, register_t *); 71 72 struct iovec * 73 netbsd32_get_iov(struct netbsd32_iovec *iov32, int iovlen, struct iovec *aiov, 74 int aiov_len) 75 { 76 #define N_IOV32 8 77 struct netbsd32_iovec aiov32[N_IOV32]; 78 struct iovec *iov = aiov; 79 struct iovec *iovp; 80 int i, n, j; 81 int error; 82 83 if (iovlen < 0 || iovlen > IOV_MAX) 84 return NULL; 85 86 if (iovlen > aiov_len) 87 iov = kmem_alloc(iovlen * sizeof(*iov), KM_SLEEP); 88 89 iovp = iov; 90 for (i = 0; i < iovlen; iov32 += N_IOV32, i += N_IOV32) { 91 n = iovlen - i; 92 if (n > N_IOV32) 93 n = N_IOV32; 94 error = copyin(iov32, aiov32, n * sizeof (*iov32)); 95 if (error != 0) { 96 if (iov != aiov) 97 kmem_free(iov, iovlen * sizeof(*iov)); 98 return NULL; 99 } 100 for (j = 0; j < n; iovp++, j++) { 101 iovp->iov_base = NETBSD32PTR64(aiov32[j].iov_base); 102 iovp->iov_len = aiov32[j].iov_len; 103 } 104 } 105 return iov; 106 #undef N_IOV32 107 } 108 109 int 110 netbsd32_readv(struct lwp *l, const struct netbsd32_readv_args *uap, register_t *retval) 111 { 112 /* { 113 syscallarg(int) fd; 114 syscallarg(const netbsd32_iovecp_t) iovp; 115 syscallarg(int) iovcnt; 116 } */ 117 int fd = SCARG(uap, fd); 118 file_t *fp; 119 120 if ((fp = fd_getfile(fd)) == NULL) 121 return (EBADF); 122 123 if ((fp->f_flag & FREAD) == 0) { 124 fd_putfile(fd); 125 return (EBADF); 126 } 127 128 return (dofilereadv32(fd, fp, 129 (struct netbsd32_iovec *)SCARG_P32(uap, iovp), 130 SCARG(uap, iovcnt), &fp->f_offset, FOF_UPDATE_OFFSET, retval)); 131 } 132 133 /* Damn thing copies in the iovec! */ 134 int 135 dofilereadv32(int fd, struct file *fp, struct netbsd32_iovec *iovp, int iovcnt, off_t *offset, int flags, register_t *retval) 136 { 137 struct uio auio; 138 struct iovec *iov; 139 struct iovec *needfree; 140 struct iovec aiov[UIO_SMALLIOV]; 141 long i, cnt, error = 0; 142 u_int iovlen; 143 struct iovec *ktriov = NULL; 144 145 /* note: can't use iovlen until iovcnt is validated */ 146 iovlen = iovcnt * sizeof(struct iovec); 147 if ((u_int)iovcnt > UIO_SMALLIOV) { 148 if ((u_int)iovcnt > IOV_MAX) { 149 error = EINVAL; 150 goto out; 151 } 152 iov = kmem_alloc(iovlen, KM_SLEEP); 153 needfree = iov; 154 } else if ((u_int)iovcnt > 0) { 155 iov = aiov; 156 needfree = NULL; 157 } else { 158 error = EINVAL; 159 goto out; 160 } 161 162 auio.uio_iov = iov; 163 auio.uio_iovcnt = iovcnt; 164 auio.uio_rw = UIO_READ; 165 auio.uio_vmspace = curproc->p_vmspace; 166 error = netbsd32_to_iovecin(iovp, iov, iovcnt); 167 if (error) 168 goto done; 169 auio.uio_resid = 0; 170 for (i = 0; i < iovcnt; i++) { 171 auio.uio_resid += iov->iov_len; 172 /* 173 * Reads return ssize_t because -1 is returned on error. 174 * Therefore we must restrict the length to SSIZE_MAX to 175 * avoid garbage return values. 176 */ 177 if (iov->iov_len > SSIZE_MAX || auio.uio_resid > SSIZE_MAX) { 178 error = EINVAL; 179 goto done; 180 } 181 iov++; 182 } 183 184 /* 185 * if tracing, save a copy of iovec 186 */ 187 if (ktrpoint(KTR_GENIO)) { 188 ktriov = kmem_alloc(iovlen, KM_SLEEP); 189 memcpy((void *)ktriov, (void *)auio.uio_iov, iovlen); 190 } 191 192 cnt = auio.uio_resid; 193 error = (*fp->f_ops->fo_read)(fp, offset, &auio, fp->f_cred, flags); 194 if (error) 195 if (auio.uio_resid != cnt && (error == ERESTART || 196 error == EINTR || error == EWOULDBLOCK)) 197 error = 0; 198 cnt -= auio.uio_resid; 199 200 if (ktriov != NULL) { 201 ktrgeniov(fd, UIO_READ, ktriov, cnt, error); 202 kmem_free(ktriov, iovlen); 203 } 204 205 *retval = cnt; 206 done: 207 if (needfree) 208 kmem_free(needfree, iovlen); 209 out: 210 fd_putfile(fd); 211 return (error); 212 } 213 214 int 215 netbsd32_writev(struct lwp *l, const struct netbsd32_writev_args *uap, register_t *retval) 216 { 217 /* { 218 syscallarg(int) fd; 219 syscallarg(const netbsd32_iovecp_t) iovp; 220 syscallarg(int) iovcnt; 221 } */ 222 int fd = SCARG(uap, fd); 223 file_t *fp; 224 225 if ((fp = fd_getfile(fd)) == NULL) 226 return (EBADF); 227 228 if ((fp->f_flag & FWRITE) == 0) { 229 fd_putfile(fd); 230 return (EBADF); 231 } 232 233 return (dofilewritev32(fd, fp, 234 (struct netbsd32_iovec *)SCARG_P32(uap, iovp), 235 SCARG(uap, iovcnt), &fp->f_offset, FOF_UPDATE_OFFSET, retval)); 236 } 237 238 int 239 dofilewritev32(int fd, struct file *fp, struct netbsd32_iovec *iovp, int iovcnt, off_t *offset, int flags, register_t *retval) 240 { 241 struct uio auio; 242 struct iovec *iov; 243 struct iovec *needfree; 244 struct iovec aiov[UIO_SMALLIOV]; 245 long i, cnt, error = 0; 246 u_int iovlen; 247 struct iovec *ktriov = NULL; 248 249 /* note: can't use iovlen until iovcnt is validated */ 250 iovlen = iovcnt * sizeof(struct iovec); 251 if ((u_int)iovcnt > UIO_SMALLIOV) { 252 if ((u_int)iovcnt > IOV_MAX) { 253 error = EINVAL; 254 goto out; 255 } 256 iov = kmem_alloc(iovlen, KM_SLEEP); 257 needfree = iov; 258 } else if ((u_int)iovcnt > 0) { 259 iov = aiov; 260 needfree = NULL; 261 } else { 262 error = EINVAL; 263 goto out; 264 } 265 266 auio.uio_iov = iov; 267 auio.uio_iovcnt = iovcnt; 268 auio.uio_rw = UIO_WRITE; 269 auio.uio_vmspace = curproc->p_vmspace; 270 error = netbsd32_to_iovecin(iovp, iov, iovcnt); 271 if (error) 272 goto done; 273 auio.uio_resid = 0; 274 for (i = 0; i < iovcnt; i++) { 275 auio.uio_resid += iov->iov_len; 276 /* 277 * Writes return ssize_t because -1 is returned on error. 278 * Therefore we must restrict the length to SSIZE_MAX to 279 * avoid garbage return values. 280 */ 281 if (iov->iov_len > SSIZE_MAX || auio.uio_resid > SSIZE_MAX) { 282 error = EINVAL; 283 goto done; 284 } 285 iov++; 286 } 287 288 /* 289 * if tracing, save a copy of iovec 290 */ 291 if (ktrpoint(KTR_GENIO)) { 292 ktriov = kmem_alloc(iovlen, KM_SLEEP); 293 memcpy((void *)ktriov, (void *)auio.uio_iov, iovlen); 294 } 295 296 cnt = auio.uio_resid; 297 error = (*fp->f_ops->fo_write)(fp, offset, &auio, fp->f_cred, flags); 298 if (error) { 299 if (auio.uio_resid != cnt && (error == ERESTART || 300 error == EINTR || error == EWOULDBLOCK)) 301 error = 0; 302 if (error == EPIPE && (fp->f_flag & FNOSIGPIPE) == 0) { 303 mutex_enter(proc_lock); 304 psignal(curproc, SIGPIPE); 305 mutex_exit(proc_lock); 306 } 307 } 308 cnt -= auio.uio_resid; 309 if (ktriov != NULL) { 310 ktrgenio(fd, UIO_WRITE, ktriov, cnt, error); 311 kmem_free(ktriov, iovlen); 312 } 313 *retval = cnt; 314 done: 315 if (needfree) 316 kmem_free(needfree, iovlen); 317 out: 318 fd_putfile(fd); 319 return (error); 320 } 321 322 /* 323 * Common routines to set access and modification times given a vnode. 324 */ 325 static int 326 get_utimes32(const netbsd32_timevalp_t *tptr, struct timeval *tv, 327 struct timeval **tvp) 328 { 329 int error; 330 struct netbsd32_timeval tv32[2]; 331 332 if (tptr == NULL) { 333 *tvp = NULL; 334 return 0; 335 } 336 337 error = copyin(tptr, tv32, sizeof(tv32)); 338 if (error) 339 return error; 340 netbsd32_to_timeval(&tv32[0], &tv[0]); 341 netbsd32_to_timeval(&tv32[1], &tv[1]); 342 343 *tvp = tv; 344 return 0; 345 } 346 347 static int 348 get_utimens32(const netbsd32_timespecp_t *tptr, struct timespec *ts, 349 struct timespec **tsp) 350 { 351 int error; 352 struct netbsd32_timespec ts32[2]; 353 354 if (tptr == NULL) { 355 *tsp = NULL; 356 return 0; 357 } 358 359 error = copyin(tptr, ts32, sizeof(ts32)); 360 if (error) 361 return error; 362 netbsd32_to_timespec(&ts32[0], &ts[0]); 363 netbsd32_to_timespec(&ts32[1], &ts[1]); 364 365 *tsp = ts; 366 return 0; 367 } 368 369 int 370 netbsd32___utimes50(struct lwp *l, const struct netbsd32___utimes50_args *uap, register_t *retval) 371 { 372 /* { 373 syscallarg(const netbsd32_charp) path; 374 syscallarg(const netbsd32_timevalp_t) tptr; 375 } */ 376 int error; 377 struct timeval tv[2], *tvp; 378 379 error = get_utimes32(SCARG_P32(uap, tptr), tv, &tvp); 380 if (error != 0) 381 return error; 382 383 return do_sys_utimes(l, NULL, SCARG_P32(uap, path), FOLLOW, 384 tvp, UIO_SYSSPACE); 385 } 386 387 static int 388 netbds32_copyout_statvfs(const void *kp, void *up, size_t len) 389 { 390 struct netbsd32_statvfs *sbuf_32; 391 int error; 392 393 sbuf_32 = kmem_alloc(sizeof(*sbuf_32), KM_SLEEP); 394 netbsd32_from_statvfs(kp, sbuf_32); 395 error = copyout(sbuf_32, up, sizeof(*sbuf_32)); 396 kmem_free(sbuf_32, sizeof(*sbuf_32)); 397 398 return error; 399 } 400 401 int 402 netbsd32_statvfs1(struct lwp *l, const struct netbsd32_statvfs1_args *uap, register_t *retval) 403 { 404 /* { 405 syscallarg(const netbsd32_charp) path; 406 syscallarg(netbsd32_statvfsp_t) buf; 407 syscallarg(int) flags; 408 } */ 409 struct statvfs *sb; 410 int error; 411 412 sb = STATVFSBUF_GET(); 413 error = do_sys_pstatvfs(l, SCARG_P32(uap, path), SCARG(uap, flags), sb); 414 if (error == 0) 415 error = netbds32_copyout_statvfs(sb, SCARG_P32(uap, buf), 0); 416 STATVFSBUF_PUT(sb); 417 return error; 418 } 419 420 int 421 netbsd32_fstatvfs1(struct lwp *l, const struct netbsd32_fstatvfs1_args *uap, register_t *retval) 422 { 423 /* { 424 syscallarg(int) fd; 425 syscallarg(netbsd32_statvfsp_t) buf; 426 syscallarg(int) flags; 427 } */ 428 struct statvfs *sb; 429 int error; 430 431 sb = STATVFSBUF_GET(); 432 error = do_sys_fstatvfs(l, SCARG(uap, fd), SCARG(uap, flags), sb); 433 if (error == 0) 434 error = netbds32_copyout_statvfs(sb, SCARG_P32(uap, buf), 0); 435 STATVFSBUF_PUT(sb); 436 return error; 437 } 438 439 int 440 netbsd32_getvfsstat(struct lwp *l, const struct netbsd32_getvfsstat_args *uap, register_t *retval) 441 { 442 /* { 443 syscallarg(netbsd32_statvfsp_t) buf; 444 syscallarg(netbsd32_size_t) bufsize; 445 syscallarg(int) flags; 446 } */ 447 448 return do_sys_getvfsstat(l, SCARG_P32(uap, buf), SCARG(uap, bufsize), 449 SCARG(uap, flags), netbds32_copyout_statvfs, 450 sizeof (struct netbsd32_statvfs), retval); 451 } 452 453 int 454 netbsd32___fhstatvfs140(struct lwp *l, const struct netbsd32___fhstatvfs140_args *uap, register_t *retval) 455 { 456 /* { 457 syscallarg(const netbsd32_pointer_t) fhp; 458 syscallarg(netbsd32_size_t) fh_size; 459 syscallarg(netbsd32_statvfsp_t) buf; 460 syscallarg(int) flags; 461 } */ 462 struct statvfs *sb; 463 int error; 464 465 sb = STATVFSBUF_GET(); 466 error = do_fhstatvfs(l, SCARG_P32(uap, fhp), SCARG(uap, fh_size), sb, 467 SCARG(uap, flags)); 468 469 if (error == 0) 470 error = netbds32_copyout_statvfs(sb, SCARG_P32(uap, buf), 0); 471 STATVFSBUF_PUT(sb); 472 473 return error; 474 } 475 476 int 477 netbsd32___futimes50(struct lwp *l, const struct netbsd32___futimes50_args *uap, register_t *retval) 478 { 479 /* { 480 syscallarg(int) fd; 481 syscallarg(const netbsd32_timevalp_t) tptr; 482 } */ 483 int error; 484 file_t *fp; 485 struct timeval tv[2], *tvp; 486 487 error = get_utimes32(SCARG_P32(uap, tptr), tv, &tvp); 488 if (error != 0) 489 return error; 490 491 /* fd_getvnode() will use the descriptor for us */ 492 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 493 return (error); 494 495 error = do_sys_utimes(l, fp->f_vnode, NULL, 0, tvp, UIO_SYSSPACE); 496 497 fd_putfile(SCARG(uap, fd)); 498 return (error); 499 } 500 501 int 502 netbsd32___getdents30(struct lwp *l, 503 const struct netbsd32___getdents30_args *uap, register_t *retval) 504 { 505 /* { 506 syscallarg(int) fd; 507 syscallarg(netbsd32_charp) buf; 508 syscallarg(netbsd32_size_t) count; 509 } */ 510 file_t *fp; 511 int error, done; 512 513 /* fd_getvnode() will use the descriptor for us */ 514 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 515 return (error); 516 if ((fp->f_flag & FREAD) == 0) { 517 error = EBADF; 518 goto out; 519 } 520 error = vn_readdir(fp, SCARG_P32(uap, buf), 521 UIO_USERSPACE, SCARG(uap, count), &done, l, 0, 0); 522 *retval = done; 523 out: 524 fd_putfile(SCARG(uap, fd)); 525 return (error); 526 } 527 528 int 529 netbsd32___lutimes50(struct lwp *l, 530 const struct netbsd32___lutimes50_args *uap, register_t *retval) 531 { 532 /* { 533 syscallarg(const netbsd32_charp) path; 534 syscallarg(const netbsd32_timevalp_t) tptr; 535 } */ 536 int error; 537 struct timeval tv[2], *tvp; 538 539 error = get_utimes32(SCARG_P32(uap, tptr), tv, &tvp); 540 if (error != 0) 541 return error; 542 543 return do_sys_utimes(l, NULL, SCARG_P32(uap, path), NOFOLLOW, 544 tvp, UIO_SYSSPACE); 545 } 546 547 int 548 netbsd32___stat50(struct lwp *l, const struct netbsd32___stat50_args *uap, register_t *retval) 549 { 550 /* { 551 syscallarg(const netbsd32_charp) path; 552 syscallarg(netbsd32_statp_t) ub; 553 } */ 554 struct netbsd32_stat sb32; 555 struct stat sb; 556 int error; 557 const char *path; 558 559 path = SCARG_P32(uap, path); 560 561 error = do_sys_stat(path, FOLLOW, &sb); 562 if (error) 563 return (error); 564 netbsd32_from_stat(&sb, &sb32); 565 error = copyout(&sb32, SCARG_P32(uap, ub), sizeof(sb32)); 566 return (error); 567 } 568 569 int 570 netbsd32___fstat50(struct lwp *l, const struct netbsd32___fstat50_args *uap, register_t *retval) 571 { 572 /* { 573 syscallarg(int) fd; 574 syscallarg(netbsd32_statp_t) sb; 575 } */ 576 struct netbsd32_stat sb32; 577 struct stat ub; 578 int error; 579 580 error = do_sys_fstat(SCARG(uap, fd), &ub); 581 if (error == 0) { 582 netbsd32_from_stat(&ub, &sb32); 583 error = copyout(&sb32, SCARG_P32(uap, sb), sizeof(sb32)); 584 } 585 return (error); 586 } 587 588 int 589 netbsd32___lstat50(struct lwp *l, const struct netbsd32___lstat50_args *uap, register_t *retval) 590 { 591 /* { 592 syscallarg(const netbsd32_charp) path; 593 syscallarg(netbsd32_statp_t) ub; 594 } */ 595 struct netbsd32_stat sb32; 596 struct stat sb; 597 int error; 598 const char *path; 599 600 path = SCARG_P32(uap, path); 601 602 error = do_sys_stat(path, NOFOLLOW, &sb); 603 if (error) 604 return (error); 605 netbsd32_from_stat(&sb, &sb32); 606 error = copyout(&sb32, SCARG_P32(uap, ub), sizeof(sb32)); 607 return (error); 608 } 609 610 int 611 netbsd32___fhstat50(struct lwp *l, const struct netbsd32___fhstat50_args *uap, register_t *retval) 612 { 613 /* { 614 syscallarg(const netbsd32_pointer_t) fhp; 615 syscallarg(netbsd32_size_t) fh_size; 616 syscallarg(netbsd32_statp_t) sb; 617 } */ 618 struct stat sb; 619 struct netbsd32_stat sb32; 620 int error; 621 622 error = do_fhstat(l, SCARG_P32(uap, fhp), SCARG(uap, fh_size), &sb); 623 if (error == 0) { 624 netbsd32_from_stat(&sb, &sb32); 625 error = copyout(&sb32, SCARG_P32(uap, sb), sizeof(sb)); 626 } 627 return error; 628 } 629 630 int 631 netbsd32_preadv(struct lwp *l, const struct netbsd32_preadv_args *uap, register_t *retval) 632 { 633 /* { 634 syscallarg(int) fd; 635 syscallarg(const netbsd32_iovecp_t) iovp; 636 syscallarg(int) iovcnt; 637 syscallarg(int) pad; 638 syscallarg(netbsd32_off_t) offset; 639 } */ 640 file_t *fp; 641 struct vnode *vp; 642 off_t offset; 643 int error, fd = SCARG(uap, fd); 644 645 if ((fp = fd_getfile(fd)) == NULL) 646 return (EBADF); 647 648 if ((fp->f_flag & FREAD) == 0) { 649 fd_putfile(fd); 650 return (EBADF); 651 } 652 653 vp = fp->f_vnode; 654 if (fp->f_type != DTYPE_VNODE || vp->v_type == VFIFO) { 655 error = ESPIPE; 656 goto out; 657 } 658 659 offset = SCARG(uap, offset); 660 661 /* 662 * XXX This works because no file systems actually 663 * XXX take any action on the seek operation. 664 */ 665 if ((error = VOP_SEEK(vp, fp->f_offset, offset, fp->f_cred)) != 0) 666 goto out; 667 668 return (dofilereadv32(fd, fp, SCARG_P32(uap, iovp), 669 SCARG(uap, iovcnt), &offset, 0, retval)); 670 671 out: 672 fd_putfile(fd); 673 return (error); 674 } 675 676 int 677 netbsd32_pwritev(struct lwp *l, const struct netbsd32_pwritev_args *uap, register_t *retval) 678 { 679 /* { 680 syscallarg(int) fd; 681 syscallarg(const netbsd32_iovecp_t) iovp; 682 syscallarg(int) iovcnt; 683 syscallarg(int) pad; 684 syscallarg(netbsd32_off_t) offset; 685 } */ 686 file_t *fp; 687 struct vnode *vp; 688 off_t offset; 689 int error, fd = SCARG(uap, fd); 690 691 if ((fp = fd_getfile(fd)) == NULL) 692 return (EBADF); 693 694 if ((fp->f_flag & FWRITE) == 0) { 695 fd_putfile(fd); 696 return (EBADF); 697 } 698 699 vp = fp->f_vnode; 700 if (fp->f_type != DTYPE_VNODE || vp->v_type == VFIFO) { 701 error = ESPIPE; 702 goto out; 703 } 704 705 offset = SCARG(uap, offset); 706 707 /* 708 * XXX This works because no file systems actually 709 * XXX take any action on the seek operation. 710 */ 711 if ((error = VOP_SEEK(vp, fp->f_offset, offset, fp->f_cred)) != 0) 712 goto out; 713 714 return (dofilewritev32(fd, fp, SCARG_P32(uap, iovp), 715 SCARG(uap, iovcnt), &offset, 0, retval)); 716 717 out: 718 fd_putfile(fd); 719 return (error); 720 } 721 722 /* 723 * Find pathname of process's current directory. 724 * 725 * Use vfs vnode-to-name reverse cache; if that fails, fall back 726 * to reading directory contents. 727 */ 728 /* XXX NH Why does this exist */ 729 int 730 getcwd_common(struct vnode *, struct vnode *, 731 char **, char *, int, int, struct lwp *); 732 733 int 734 netbsd32___getcwd(struct lwp *l, const struct netbsd32___getcwd_args *uap, register_t *retval) 735 { 736 /* { 737 syscallarg(char *) bufp; 738 syscallarg(size_t) length; 739 } */ 740 struct proc *p = l->l_proc; 741 int error; 742 char *path; 743 char *bp, *bend; 744 int len = (int)SCARG(uap, length); 745 int lenused; 746 struct cwdinfo *cwdi; 747 748 if (len > MAXPATHLEN*4) 749 len = MAXPATHLEN*4; 750 else if (len < 2) 751 return ERANGE; 752 753 path = kmem_alloc(len, KM_SLEEP); 754 if (!path) 755 return ENOMEM; 756 757 bp = &path[len]; 758 bend = bp; 759 *(--bp) = '\0'; 760 761 /* 762 * 5th argument here is "max number of vnodes to traverse". 763 * Since each entry takes up at least 2 bytes in the output buffer, 764 * limit it to N/2 vnodes for an N byte buffer. 765 */ 766 #define GETCWD_CHECK_ACCESS 0x0001 767 cwdi = p->p_cwdi; 768 rw_enter(&cwdi->cwdi_lock, RW_READER); 769 error = getcwd_common (cwdi->cwdi_cdir, NULL, &bp, path, len/2, 770 GETCWD_CHECK_ACCESS, l); 771 rw_exit(&cwdi->cwdi_lock); 772 773 if (error) 774 goto out; 775 lenused = bend - bp; 776 *retval = lenused; 777 /* put the result into user buffer */ 778 error = copyout(bp, SCARG_P32(uap, bufp), lenused); 779 780 out: 781 kmem_free(path, len); 782 return error; 783 } 784 785 int 786 netbsd32___mount50(struct lwp *l, const struct netbsd32___mount50_args *uap, 787 register_t *retval) 788 { 789 /* { 790 syscallarg(netbsd32_charp) type; 791 syscallarg(netbsd32_charp) path; 792 syscallarg(int) flags; 793 syscallarg(netbsd32_voidp) data; 794 syscallarg(netbsd32_size_t) data_len; 795 } */ 796 char mtype[MNAMELEN]; 797 union { 798 struct netbsd32_ufs_args ufs_args; 799 struct netbsd32_mfs_args mfs_args; 800 struct netbsd32_iso_args iso_args; 801 struct netbsd32_nfs_args nfs_args; 802 struct netbsd32_msdosfs_args msdosfs_args; 803 struct netbsd32_tmpfs_args tmpfs_args; 804 } fs_args32; 805 union { 806 struct ufs_args ufs_args; 807 struct mfs_args mfs_args; 808 struct iso_args iso_args; 809 struct nfs_args nfs_args; 810 struct msdosfs_args msdosfs_args; 811 struct tmpfs_args tmpfs_args; 812 } fs_args; 813 const char *type = SCARG_P32(uap, type); 814 const char *path = SCARG_P32(uap, path); 815 int flags = SCARG(uap, flags); 816 void *data = SCARG_P32(uap, data); 817 size_t data_len = SCARG(uap, data_len); 818 enum uio_seg data_seg; 819 size_t len; 820 int error; 821 822 error = copyinstr(type, mtype, sizeof(mtype), &len); 823 if (error) 824 return error; 825 if (strcmp(mtype, MOUNT_TMPFS) == 0) { 826 if (data_len != sizeof(fs_args32.tmpfs_args)) 827 return EINVAL; 828 if ((flags & MNT_GETARGS) == 0) { 829 error = copyin(data, &fs_args32.tmpfs_args, 830 sizeof(fs_args32.tmpfs_args)); 831 if (error) 832 return error; 833 fs_args.tmpfs_args.ta_version = 834 fs_args32.tmpfs_args.ta_version; 835 fs_args.tmpfs_args.ta_nodes_max = 836 fs_args32.tmpfs_args.ta_nodes_max; 837 fs_args.tmpfs_args.ta_size_max = 838 fs_args32.tmpfs_args.ta_size_max; 839 fs_args.tmpfs_args.ta_root_uid = 840 fs_args32.tmpfs_args.ta_root_uid; 841 fs_args.tmpfs_args.ta_root_gid = 842 fs_args32.tmpfs_args.ta_root_gid; 843 fs_args.tmpfs_args.ta_root_mode = 844 fs_args32.tmpfs_args.ta_root_mode; 845 } 846 data_seg = UIO_SYSSPACE; 847 data = &fs_args.tmpfs_args; 848 data_len = sizeof(fs_args.tmpfs_args); 849 } else if (strcmp(mtype, MOUNT_MFS) == 0) { 850 if (data_len != sizeof(fs_args32.mfs_args)) 851 return EINVAL; 852 if ((flags & MNT_GETARGS) == 0) { 853 error = copyin(data, &fs_args32.mfs_args, 854 sizeof(fs_args32.mfs_args)); 855 if (error) 856 return error; 857 fs_args.mfs_args.fspec = 858 NETBSD32PTR64(fs_args32.mfs_args.fspec); 859 memset(&fs_args.mfs_args._pad1, 0, 860 sizeof(fs_args.mfs_args._pad1)); 861 fs_args.mfs_args.base = 862 NETBSD32PTR64(fs_args32.mfs_args.base); 863 fs_args.mfs_args.size = fs_args32.mfs_args.size; 864 } 865 data_seg = UIO_SYSSPACE; 866 data = &fs_args.mfs_args; 867 data_len = sizeof(fs_args.mfs_args); 868 } else if ((strcmp(mtype, MOUNT_UFS) == 0) || 869 (strcmp(mtype, MOUNT_EXT2FS) == 0) || 870 (strcmp(mtype, MOUNT_LFS) == 0)) { 871 if (data_len > sizeof(fs_args32.ufs_args)) 872 return EINVAL; 873 if ((flags & MNT_GETARGS) == 0) { 874 error = copyin(data, &fs_args32.ufs_args, 875 sizeof(fs_args32.ufs_args)); 876 if (error) 877 return error; 878 fs_args.ufs_args.fspec = 879 NETBSD32PTR64(fs_args32.ufs_args.fspec); 880 } 881 data_seg = UIO_SYSSPACE; 882 data = &fs_args.ufs_args; 883 data_len = sizeof(fs_args.ufs_args); 884 } else if (strcmp(mtype, MOUNT_CD9660) == 0) { 885 if (data_len != sizeof(fs_args32.iso_args)) 886 return EINVAL; 887 if ((flags & MNT_GETARGS) == 0) { 888 error = copyin(data, &fs_args32.iso_args, 889 sizeof(fs_args32.iso_args)); 890 if (error) 891 return error; 892 fs_args.iso_args.fspec = 893 NETBSD32PTR64(fs_args32.iso_args.fspec); 894 memset(&fs_args.iso_args._pad1, 0, 895 sizeof(fs_args.iso_args._pad1)); 896 fs_args.iso_args.flags = fs_args32.iso_args.flags; 897 } 898 data_seg = UIO_SYSSPACE; 899 data = &fs_args.iso_args; 900 data_len = sizeof(fs_args.iso_args); 901 } else if (strcmp(mtype, MOUNT_MSDOS) == 0) { 902 if (data_len != sizeof(fs_args32.msdosfs_args)) 903 return EINVAL; 904 if ((flags & MNT_GETARGS) == 0) { 905 error = copyin(data, &fs_args32.msdosfs_args, 906 sizeof(fs_args32.msdosfs_args)); 907 if (error) 908 return error; 909 fs_args.msdosfs_args.fspec = 910 NETBSD32PTR64(fs_args32.msdosfs_args.fspec); 911 memset(&fs_args.msdosfs_args._pad1, 0, 912 sizeof(fs_args.msdosfs_args._pad1)); 913 fs_args.msdosfs_args.uid = 914 fs_args32.msdosfs_args.uid; 915 fs_args.msdosfs_args.gid = 916 fs_args32.msdosfs_args.gid; 917 fs_args.msdosfs_args.mask = 918 fs_args32.msdosfs_args.mask; 919 fs_args.msdosfs_args.flags = 920 fs_args32.msdosfs_args.flags; 921 fs_args.msdosfs_args.version = 922 fs_args32.msdosfs_args.version; 923 fs_args.msdosfs_args.dirmask = 924 fs_args32.msdosfs_args.dirmask; 925 fs_args.msdosfs_args.gmtoff = 926 fs_args32.msdosfs_args.gmtoff; 927 } 928 data_seg = UIO_SYSSPACE; 929 data = &fs_args.msdosfs_args; 930 data_len = sizeof(fs_args.msdosfs_args); 931 } else if (strcmp(mtype, MOUNT_NFS) == 0) { 932 if (data_len != sizeof(fs_args32.nfs_args)) 933 return EINVAL; 934 if ((flags & MNT_GETARGS) == 0) { 935 error = copyin(data, &fs_args32.nfs_args, 936 sizeof(fs_args32.nfs_args)); 937 if (error) 938 return error; 939 fs_args.nfs_args.version = fs_args32.nfs_args.version; 940 fs_args.nfs_args.addr = 941 NETBSD32PTR64(fs_args32.nfs_args.addr); 942 memcpy(&fs_args.nfs_args.addrlen, 943 &fs_args32.nfs_args.addrlen, 944 offsetof(struct nfs_args, fh) 945 - offsetof(struct nfs_args, addrlen)); 946 fs_args.nfs_args.fh = 947 NETBSD32PTR64(fs_args32.nfs_args.fh); 948 memcpy(&fs_args.nfs_args.fhsize, 949 &fs_args32.nfs_args.fhsize, 950 offsetof(struct nfs_args, hostname) 951 - offsetof(struct nfs_args, fhsize)); 952 fs_args.nfs_args.hostname = 953 NETBSD32PTR64(fs_args32.nfs_args.hostname); 954 } 955 data_seg = UIO_SYSSPACE; 956 data = &fs_args.nfs_args; 957 data_len = sizeof(fs_args.nfs_args); 958 } else { 959 data_seg = UIO_USERSPACE; 960 } 961 error = do_sys_mount(l, NULL, type, path, flags, data, data_seg, 962 data_len, retval); 963 if (error) 964 return error; 965 if (flags & MNT_GETARGS) { 966 data_len = *retval; 967 if (strcmp(mtype, MOUNT_TMPFS) == 0) { 968 if (data_len != sizeof(fs_args.tmpfs_args)) 969 return EINVAL; 970 fs_args32.tmpfs_args.ta_version = 971 fs_args.tmpfs_args.ta_version; 972 fs_args32.tmpfs_args.ta_nodes_max = 973 fs_args.tmpfs_args.ta_nodes_max; 974 fs_args32.tmpfs_args.ta_size_max = 975 fs_args.tmpfs_args.ta_size_max; 976 fs_args32.tmpfs_args.ta_root_uid = 977 fs_args.tmpfs_args.ta_root_uid; 978 fs_args32.tmpfs_args.ta_root_gid = 979 fs_args.tmpfs_args.ta_root_gid; 980 fs_args32.tmpfs_args.ta_root_mode = 981 fs_args.tmpfs_args.ta_root_mode; 982 error = copyout(&fs_args32.tmpfs_args, data, 983 sizeof(fs_args32.tmpfs_args)); 984 } else if (strcmp(mtype, MOUNT_MFS) == 0) { 985 if (data_len != sizeof(fs_args.mfs_args)) 986 return EINVAL; 987 NETBSD32PTR32(fs_args32.mfs_args.fspec, 988 fs_args.mfs_args.fspec); 989 memset(&fs_args32.mfs_args._pad1, 0, 990 sizeof(fs_args32.mfs_args._pad1)); 991 NETBSD32PTR32(fs_args32.mfs_args.base, 992 fs_args.mfs_args.base); 993 fs_args32.mfs_args.size = fs_args.mfs_args.size; 994 error = copyout(&fs_args32.mfs_args, data, 995 sizeof(fs_args32.mfs_args)); 996 } else if (strcmp(mtype, MOUNT_UFS) == 0) { 997 if (data_len != sizeof(fs_args.ufs_args)) 998 return EINVAL; 999 NETBSD32PTR32(fs_args32.ufs_args.fspec, 1000 fs_args.ufs_args.fspec); 1001 error = copyout(&fs_args32.ufs_args, data, 1002 sizeof(fs_args32.ufs_args)); 1003 } else if (strcmp(mtype, MOUNT_CD9660) == 0) { 1004 if (data_len != sizeof(fs_args.iso_args)) 1005 return EINVAL; 1006 NETBSD32PTR32(fs_args32.iso_args.fspec, 1007 fs_args.iso_args.fspec); 1008 memset(&fs_args32.iso_args._pad1, 0, 1009 sizeof(fs_args32.iso_args._pad1)); 1010 fs_args32.iso_args.flags = fs_args.iso_args.flags; 1011 error = copyout(&fs_args32.iso_args, data, 1012 sizeof(fs_args32.iso_args)); 1013 } else if (strcmp(mtype, MOUNT_NFS) == 0) { 1014 if (data_len != sizeof(fs_args.nfs_args)) 1015 return EINVAL; 1016 error = copyin(data, &fs_args32.nfs_args, 1017 sizeof(fs_args32.nfs_args)); 1018 if (error) 1019 return error; 1020 fs_args.nfs_args.version = fs_args32.nfs_args.version; 1021 NETBSD32PTR32(fs_args32.nfs_args.addr, 1022 fs_args.nfs_args.addr); 1023 memcpy(&fs_args32.nfs_args.addrlen, 1024 &fs_args.nfs_args.addrlen, 1025 offsetof(struct nfs_args, fh) 1026 - offsetof(struct nfs_args, addrlen)); 1027 NETBSD32PTR32(fs_args32.nfs_args.fh, 1028 fs_args.nfs_args.fh); 1029 memcpy(&fs_args32.nfs_args.fhsize, 1030 &fs_args.nfs_args.fhsize, 1031 offsetof(struct nfs_args, hostname) 1032 - offsetof(struct nfs_args, fhsize)); 1033 NETBSD32PTR32(fs_args32.nfs_args.hostname, 1034 fs_args.nfs_args.hostname); 1035 error = copyout(&fs_args32.nfs_args, data, 1036 sizeof(fs_args32.nfs_args)); 1037 } 1038 } 1039 return error; 1040 } 1041 1042 int 1043 netbsd32_linkat(struct lwp *l, const struct netbsd32_linkat_args *uap, 1044 register_t *retval) 1045 { 1046 /* { 1047 syscallarg(int) fd1; 1048 syscallarg(const netbsd32_charp) name1; 1049 syscallarg(int) fd2; 1050 syscallarg(const netbsd32_charp) name2; 1051 syscallarg(int) flags; 1052 } */ 1053 struct sys_linkat_args ua; 1054 1055 NETBSD32TO64_UAP(fd1); 1056 NETBSD32TOP_UAP(name1, const char); 1057 NETBSD32TO64_UAP(fd2); 1058 NETBSD32TOP_UAP(name2, const char); 1059 NETBSD32TO64_UAP(flags); 1060 1061 return sys_linkat(l, &ua, retval); 1062 } 1063 1064 int 1065 netbsd32_renameat(struct lwp *l, const struct netbsd32_renameat_args *uap, 1066 register_t *retval) 1067 { 1068 /* { 1069 syscallarg(int) fromfd; 1070 syscallarg(const netbsd32_charp) from; 1071 syscallarg(int) tofd; 1072 syscallarg(const netbsd32_charp) to; 1073 } */ 1074 struct sys_renameat_args ua; 1075 1076 NETBSD32TO64_UAP(fromfd); 1077 NETBSD32TOP_UAP(from, const char); 1078 NETBSD32TO64_UAP(tofd); 1079 NETBSD32TOP_UAP(to, const char); 1080 1081 return sys_renameat(l, &ua, retval); 1082 } 1083 1084 int 1085 netbsd32_mkfifoat(struct lwp *l, const struct netbsd32_mkfifoat_args *uap, 1086 register_t *retval) 1087 { 1088 /* { 1089 syscallarg(int) fd; 1090 syscallarg(const netbsd32_charp) path; 1091 syscallarg(mode_t) mode; 1092 } */ 1093 struct sys_mkfifoat_args ua; 1094 1095 NETBSD32TO64_UAP(fd); 1096 NETBSD32TOP_UAP(path, const char); 1097 NETBSD32TO64_UAP(mode); 1098 1099 return sys_mkfifoat(l, &ua, retval); 1100 } 1101 1102 int 1103 netbsd32_mknodat(struct lwp *l, const struct netbsd32_mknodat_args *uap, 1104 register_t *retval) 1105 { 1106 /* { 1107 syscallarg(int) fd; 1108 syscallarg(netbsd32_charp) path; 1109 syscallarg(mode_t) mode; 1110 syscallarg(int) pad; 1111 syscallarg(netbsd32_dev_t) dev; 1112 } */ 1113 struct sys_mknodat_args ua; 1114 1115 NETBSD32TO64_UAP(fd); 1116 NETBSD32TOP_UAP(path, const char); 1117 NETBSD32TO64_UAP(mode); 1118 NETBSD32TO64_UAP(PAD); 1119 NETBSD32TO64_UAP(dev); 1120 1121 return sys_mknodat(l, &ua, retval); 1122 } 1123 1124 int 1125 netbsd32_mkdirat(struct lwp *l, const struct netbsd32_mkdirat_args *uap, 1126 register_t *retval) 1127 { 1128 /* { 1129 syscallarg(int) fd; 1130 syscallarg(netbsd32_charp) path; 1131 syscallarg(mode_t) mode; 1132 } */ 1133 struct sys_mkdirat_args ua; 1134 1135 NETBSD32TO64_UAP(fd); 1136 NETBSD32TOP_UAP(path, const char); 1137 NETBSD32TO64_UAP(mode); 1138 1139 return sys_mkdirat(l, &ua, retval); 1140 } 1141 1142 int 1143 netbsd32_faccessat(struct lwp *l, const struct netbsd32_faccessat_args *uap, 1144 register_t *retval) 1145 { 1146 /* { 1147 syscallarg(int) fd; 1148 syscallarg(netbsd32_charp) path; 1149 syscallarg(int) amode; 1150 syscallarg(int) flag; 1151 } */ 1152 struct sys_faccessat_args ua; 1153 1154 NETBSD32TO64_UAP(fd); 1155 NETBSD32TOP_UAP(path, const char); 1156 NETBSD32TO64_UAP(amode); 1157 NETBSD32TO64_UAP(flag); 1158 1159 return sys_faccessat(l, &ua, retval); 1160 } 1161 1162 int 1163 netbsd32_fchmodat(struct lwp *l, const struct netbsd32_fchmodat_args *uap, 1164 register_t *retval) 1165 { 1166 /* { 1167 syscallarg(int) fd; 1168 syscallarg(netbsd32_charp) path; 1169 syscallarg(mode_t) mode; 1170 syscallarg(int) flag; 1171 } */ 1172 struct sys_fchmodat_args ua; 1173 1174 NETBSD32TO64_UAP(fd); 1175 NETBSD32TOP_UAP(path, const char); 1176 NETBSD32TO64_UAP(mode); 1177 NETBSD32TO64_UAP(flag); 1178 1179 return sys_fchmodat(l, &ua, retval); 1180 } 1181 1182 int 1183 netbsd32_fchownat(struct lwp *l, const struct netbsd32_fchownat_args *uap, 1184 register_t *retval) 1185 { 1186 /* { 1187 syscallarg(int) fd; 1188 syscallarg(netbsd32_charp) path; 1189 syscallarg(uid_t) owner; 1190 syscallarg(gid_t) group; 1191 syscallarg(int) flag; 1192 } */ 1193 struct sys_fchownat_args ua; 1194 1195 NETBSD32TO64_UAP(fd); 1196 NETBSD32TOP_UAP(path, const char); 1197 NETBSD32TO64_UAP(owner); 1198 NETBSD32TO64_UAP(group); 1199 NETBSD32TO64_UAP(flag); 1200 1201 return sys_fchownat(l, &ua, retval); 1202 } 1203 1204 int 1205 netbsd32_fstatat(struct lwp *l, const struct netbsd32_fstatat_args *uap, 1206 register_t *retval) 1207 { 1208 /* { 1209 syscallarg(int) fd; 1210 syscallarg(netbsd32_charp) path; 1211 syscallarg(netbsd32_statp_t) buf; 1212 syscallarg(int) flag; 1213 } */ 1214 struct netbsd32_stat sb32; 1215 struct stat sb; 1216 int follow; 1217 int error; 1218 1219 follow = (SCARG(uap, flag) & AT_SYMLINK_NOFOLLOW) ? NOFOLLOW : FOLLOW; 1220 1221 error = do_sys_statat(l, SCARG(uap, fd), SCARG_P32(uap, path), 1222 follow, &sb); 1223 if (error) 1224 return error; 1225 netbsd32_from_stat(&sb, &sb32); 1226 return copyout(&sb32, SCARG_P32(uap, buf), sizeof(sb32)); 1227 } 1228 1229 int 1230 netbsd32_utimensat(struct lwp *l, const struct netbsd32_utimensat_args *uap, 1231 register_t *retval) 1232 { 1233 /* { 1234 syscallarg(int) fd; 1235 syscallarg(netbsd32_charp) path; 1236 syscallarg(netbsd32_timespecp_t) tptr; 1237 syscallarg(int) flag; 1238 } */ 1239 struct timespec ts[2], *tsp; 1240 int follow; 1241 int error; 1242 1243 error = get_utimens32(SCARG_P32(uap, tptr), ts, &tsp); 1244 if (error != 0) 1245 return error; 1246 1247 follow = (SCARG(uap, flag) & AT_SYMLINK_NOFOLLOW) ? NOFOLLOW : FOLLOW; 1248 1249 return do_sys_utimensat(l, SCARG(uap, fd), NULL, 1250 SCARG_P32(uap, path), follow, tsp, UIO_SYSSPACE); 1251 } 1252 1253 int 1254 netbsd32_openat(struct lwp *l, const struct netbsd32_openat_args *uap, 1255 register_t *retval) 1256 { 1257 /* { 1258 syscallarg(int) fd; 1259 syscallarg(netbsd32_charp) path; 1260 syscallarg(int) oflags; 1261 syscallarg(mode_t) mode; 1262 } */ 1263 struct sys_openat_args ua; 1264 1265 NETBSD32TO64_UAP(fd); 1266 NETBSD32TOP_UAP(path, const char); 1267 NETBSD32TO64_UAP(oflags); 1268 NETBSD32TO64_UAP(mode); 1269 1270 return sys_openat(l, &ua, retval); 1271 } 1272 1273 int 1274 netbsd32_readlinkat(struct lwp *l, const struct netbsd32_readlinkat_args *uap, 1275 register_t *retval) 1276 { 1277 /* { 1278 syscallarg(int) fd; 1279 syscallarg(netbsd32_charp) path; 1280 syscallarg(netbsd32_charp) buf; 1281 syscallarg(netbsd32_size_t) bufsize; 1282 } */ 1283 struct sys_readlinkat_args ua; 1284 1285 NETBSD32TO64_UAP(fd); 1286 NETBSD32TOP_UAP(path, const char *); 1287 NETBSD32TOP_UAP(buf, char *); 1288 NETBSD32TOX_UAP(bufsize, size_t); 1289 1290 return sys_readlinkat(l, &ua, retval); 1291 } 1292 1293 int 1294 netbsd32_symlinkat(struct lwp *l, const struct netbsd32_symlinkat_args *uap, 1295 register_t *retval) 1296 { 1297 /* { 1298 syscallarg(netbsd32_charp) path1; 1299 syscallarg(int) fd; 1300 syscallarg(netbsd32_charp) path2; 1301 } */ 1302 struct sys_symlinkat_args ua; 1303 1304 NETBSD32TOP_UAP(path1, const char *); 1305 NETBSD32TO64_UAP(fd); 1306 NETBSD32TOP_UAP(path2, const char *); 1307 1308 return sys_symlinkat(l, &ua, retval); 1309 } 1310 1311 int 1312 netbsd32_unlinkat(struct lwp *l, const struct netbsd32_unlinkat_args *uap, 1313 register_t *retval) 1314 { 1315 /* { 1316 syscallarg(int) fd; 1317 syscallarg(netbsd32_charp) path; 1318 syscallarg(int) flag; 1319 } */ 1320 struct sys_unlinkat_args ua; 1321 1322 NETBSD32TO64_UAP(fd); 1323 NETBSD32TOP_UAP(path, const char *); 1324 NETBSD32TO64_UAP(flag); 1325 1326 return sys_unlinkat(l, &ua, retval); 1327 } 1328 1329 int 1330 netbsd32_futimens(struct lwp *l, const struct netbsd32_futimens_args *uap, 1331 register_t *retval) 1332 { 1333 /* { 1334 syscallarg(int) fd; 1335 syscallarg(netbsd32_timespecp_t) tptr; 1336 } */ 1337 struct timespec ts[2], *tsp; 1338 file_t *fp; 1339 int error; 1340 1341 error = get_utimens32(SCARG_P32(uap, tptr), ts, &tsp); 1342 if (error != 0) 1343 return error; 1344 1345 /* fd_getvnode() will use the descriptor for us */ 1346 if ((error = fd_getvnode(SCARG(uap, fd), &fp)) != 0) 1347 return (error); 1348 error = do_sys_utimensat(l, AT_FDCWD, fp->f_vnode, NULL, 0, 1349 tsp, UIO_SYSSPACE); 1350 fd_putfile(SCARG(uap, fd)); 1351 return (error); 1352 } 1353
Indexes created Tue Sep 23 07:09:52 GMT 2025