freebsd_file.c revision 1.24.4.1
1 /* $NetBSD: freebsd_file.c,v 1.24.4.1 2007/07/11 20:03:56 mjf Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Frank van der Linden 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed for the NetBSD Project 18 * by Frank van der Linden 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * from: linux_file.c,v 1.3 1995/04/04 04:21:30 mycroft Exp 34 */ 35 36 #include <sys/cdefs.h> 37 __KERNEL_RCSID(0, "$NetBSD: freebsd_file.c,v 1.24.4.1 2007/07/11 20:03:56 mjf Exp $"); 38 39 #if defined(_KERNEL_OPT) 40 #include "fs_nfs.h" 41 #endif 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/namei.h> 46 #include <sys/proc.h> 47 #include <sys/file.h> 48 #include <sys/stat.h> 49 #include <sys/filedesc.h> 50 #include <sys/ioctl.h> 51 #include <sys/kernel.h> 52 #include <sys/mount.h> 53 #include <sys/malloc.h> 54 55 #include <sys/syscallargs.h> 56 57 #include <compat/freebsd/freebsd_syscallargs.h> 58 #include <compat/common/compat_util.h> 59 60 #define ARRAY_LENGTH(array) (sizeof(array)/sizeof(array[0])) 61 62 static const char * convert_from_freebsd_mount_type __P((int)); 63 64 static const char * 65 convert_from_freebsd_mount_type(type) 66 int type; 67 { 68 static const char * const netbsd_mount_type[] = { 69 NULL, /* 0 = MOUNT_NONE */ 70 "ffs", /* 1 = "Fast" Filesystem */ 71 "nfs", /* 2 = Network Filesystem */ 72 "mfs", /* 3 = Memory Filesystem */ 73 "msdos", /* 4 = MSDOS Filesystem */ 74 "lfs", /* 5 = Log-based Filesystem */ 75 "lofs", /* 6 = Loopback filesystem */ 76 "fdesc", /* 7 = File Descriptor Filesystem */ 77 "portal", /* 8 = Portal Filesystem */ 78 "null", /* 9 = Minimal Filesystem Layer */ 79 "umap", /* 10 = User/Group Identifier Remapping Filesystem */ 80 "kernfs", /* 11 = Kernel Information Filesystem */ 81 "procfs", /* 12 = /proc Filesystem */ 82 "afs", /* 13 = Andrew Filesystem */ 83 "cd9660", /* 14 = ISO9660 (aka CDROM) Filesystem */ 84 "union", /* 15 = Union (translucent) Filesystem */ 85 NULL, /* 16 = "devfs" - existing device Filesystem */ 86 #if 0 /* These filesystems don't exist in FreeBSD */ 87 "adosfs", /* ?? = AmigaDOS Filesystem */ 88 #endif 89 }; 90 91 if (type < 0 || type >= ARRAY_LENGTH(netbsd_mount_type)) 92 return (NULL); 93 return (netbsd_mount_type[type]); 94 } 95 96 int 97 freebsd_sys_mount(l, v, retval) 98 struct lwp *l; 99 void *v; 100 register_t *retval; 101 { 102 struct freebsd_sys_mount_args /* { 103 syscallarg(int) type; 104 syscallarg(char *) path; 105 syscallarg(int) flags; 106 syscallarg(void *) data; 107 } */ *uap = v; 108 struct proc *p = l->l_proc; 109 int error; 110 const char *type; 111 char *s; 112 void *sg = stackgap_init(p, 0); 113 struct sys_mount_args bma; 114 115 if ((type = convert_from_freebsd_mount_type(SCARG(uap, type))) == NULL) 116 return ENODEV; 117 s = stackgap_alloc(p, &sg, MFSNAMELEN + 1); 118 if ((error = copyout(type, s, strlen(type) + 1)) != 0) 119 return error; 120 SCARG(&bma, type) = s; 121 SCARG(&bma, path) = SCARG(uap, path); 122 SCARG(&bma, flags) = SCARG(uap, flags); 123 SCARG(&bma, data) = SCARG(uap, data); 124 return sys_mount(l, &bma, retval); 125 } 126 127 /* 128 * The following syscalls are only here because of the alternate path check. 129 */ 130 131 /* XXX - UNIX domain: int freebsd_sys_bind(int s, void *name, int namelen); */ 132 /* XXX - UNIX domain: int freebsd_sys_connect(int s, void *name, int namelen); */ 133 134 135 int 136 freebsd_sys_open(l, v, retval) 137 struct lwp *l; 138 void *v; 139 register_t *retval; 140 { 141 struct freebsd_sys_open_args /* { 142 syscallarg(char *) path; 143 syscallarg(int) flags; 144 syscallarg(int) mode; 145 } */ *uap = v; 146 147 return sys_open(l, uap, retval); 148 } 149 150 int 151 compat_43_freebsd_sys_creat(l, v, retval) 152 struct lwp *l; 153 void *v; 154 register_t *retval; 155 { 156 struct compat_43_freebsd_sys_creat_args /* { 157 syscallarg(char *) path; 158 syscallarg(int) mode; 159 } */ *uap = v; 160 161 return compat_43_sys_creat(l, uap, retval); 162 } 163 164 int 165 freebsd_sys_link(l, v, retval) 166 struct lwp *l; 167 void *v; 168 register_t *retval; 169 { 170 struct freebsd_sys_link_args /* { 171 syscallarg(char *) path; 172 syscallarg(char *) link; 173 } */ *uap = v; 174 175 return sys_link(l, uap, retval); 176 } 177 178 int 179 freebsd_sys_unlink(l, v, retval) 180 struct lwp *l; 181 void *v; 182 register_t *retval; 183 { 184 struct freebsd_sys_unlink_args /* { 185 syscallarg(char *) path; 186 } */ *uap = v; 187 188 return sys_unlink(l, uap, retval); 189 } 190 191 int 192 freebsd_sys_chdir(l, v, retval) 193 struct lwp *l; 194 void *v; 195 register_t *retval; 196 { 197 struct freebsd_sys_chdir_args /* { 198 syscallarg(char *) path; 199 } */ *uap = v; 200 201 return sys_chdir(l, uap, retval); 202 } 203 204 int 205 freebsd_sys_mknod(l, v, retval) 206 struct lwp *l; 207 void *v; 208 register_t *retval; 209 { 210 struct freebsd_sys_mknod_args /* { 211 syscallarg(char *) path; 212 syscallarg(int) mode; 213 syscallarg(int) dev; 214 } */ *uap = v; 215 216 return sys_mknod(l, uap, retval); 217 } 218 219 int 220 freebsd_sys_chmod(l, v, retval) 221 struct lwp *l; 222 void *v; 223 register_t *retval; 224 { 225 struct freebsd_sys_chmod_args /* { 226 syscallarg(char *) path; 227 syscallarg(int) mode; 228 } */ *uap = v; 229 230 return sys_chmod(l, uap, retval); 231 } 232 233 int 234 freebsd_sys_chown(l, v, retval) 235 struct lwp *l; 236 void *v; 237 register_t *retval; 238 { 239 struct freebsd_sys_chown_args /* { 240 syscallarg(char *) path; 241 syscallarg(int) uid; 242 syscallarg(int) gid; 243 } */ *uap = v; 244 245 return sys_chown(l, uap, retval); 246 } 247 248 int 249 freebsd_sys_lchown(l, v, retval) 250 struct lwp *l; 251 void *v; 252 register_t *retval; 253 { 254 struct freebsd_sys_lchown_args /* { 255 syscallarg(char *) path; 256 syscallarg(int) uid; 257 syscallarg(int) gid; 258 } */ *uap = v; 259 260 return sys_lchown(l, uap, retval); 261 } 262 263 int 264 freebsd_sys_unmount(l, v, retval) 265 struct lwp *l; 266 void *v; 267 register_t *retval; 268 { 269 struct freebsd_sys_unmount_args /* { 270 syscallarg(char *) path; 271 syscallarg(int) flags; 272 } */ *uap = v; 273 274 return sys_unmount(l, uap, retval); 275 } 276 277 int 278 freebsd_sys_access(l, v, retval) 279 struct lwp *l; 280 void *v; 281 register_t *retval; 282 { 283 struct freebsd_sys_access_args /* { 284 syscallarg(char *) path; 285 syscallarg(int) flags; 286 } */ *uap = v; 287 288 return sys_access(l, uap, retval); 289 } 290 291 int 292 freebsd_sys_chflags(l, v, retval) 293 struct lwp *l; 294 void *v; 295 register_t *retval; 296 { 297 struct freebsd_sys_chflags_args /* { 298 syscallarg(char *) path; 299 syscallarg(int) flags; 300 } */ *uap = v; 301 302 return sys_chflags(l, uap, retval); 303 } 304 305 int 306 compat_43_freebsd_sys_stat(l, v, retval) 307 struct lwp *l; 308 void *v; 309 register_t *retval; 310 { 311 struct compat_43_freebsd_sys_stat_args /* { 312 syscallarg(char *) path; 313 syscallarg(struct stat43 *) ub; 314 } */ *uap = v; 315 316 return compat_43_sys_stat(l, uap, retval); 317 } 318 319 int 320 compat_43_freebsd_sys_lstat(l, v, retval) 321 struct lwp *l; 322 void *v; 323 register_t *retval; 324 { 325 struct compat_43_freebsd_sys_lstat_args /* { 326 syscallarg(char *) path; 327 syscallarg(struct stat43 *) ub; 328 } */ *uap = v; 329 330 return compat_43_sys_lstat(l, uap, retval); 331 } 332 333 int 334 freebsd_sys_revoke(l, v, retval) 335 struct lwp *l; 336 void *v; 337 register_t *retval; 338 { 339 struct freebsd_sys_revoke_args /* { 340 syscallarg(char *) path; 341 } */ *uap = v; 342 343 return sys_revoke(l, uap, retval); 344 } 345 346 int 347 freebsd_sys_symlink(l, v, retval) 348 struct lwp *l; 349 void *v; 350 register_t *retval; 351 { 352 struct freebsd_sys_symlink_args /* { 353 syscallarg(char *) path; 354 syscallarg(char *) link; 355 } */ *uap = v; 356 357 return sys_symlink(l, uap, retval); 358 } 359 360 int 361 freebsd_sys_readlink(l, v, retval) 362 struct lwp *l; 363 void *v; 364 register_t *retval; 365 { 366 struct freebsd_sys_readlink_args /* { 367 syscallarg(char *) path; 368 syscallarg(char *) buf; 369 syscallarg(int) count; 370 } */ *uap = v; 371 372 return sys_readlink(l, uap, retval); 373 } 374 375 int 376 freebsd_sys_execve(l, v, retval) 377 struct lwp *l; 378 void *v; 379 register_t *retval; 380 { 381 struct freebsd_sys_execve_args /* { 382 syscallarg(char *) path; 383 syscallarg(char **) argp; 384 syscallarg(char **) envp; 385 } */ *uap = v; 386 struct sys_execve_args ap; 387 388 SCARG(&ap, path) = SCARG(uap, path); 389 SCARG(&ap, argp) = SCARG(uap, argp); 390 SCARG(&ap, envp) = SCARG(uap, envp); 391 392 return sys_execve(l, &ap, retval); 393 } 394 395 int 396 freebsd_sys_chroot(l, v, retval) 397 struct lwp *l; 398 void *v; 399 register_t *retval; 400 { 401 struct freebsd_sys_chroot_args /* { 402 syscallarg(char *) path; 403 } */ *uap = v; 404 405 return sys_chroot(l, uap, retval); 406 } 407 408 int 409 freebsd_sys_rename(l, v, retval) 410 struct lwp *l; 411 void *v; 412 register_t *retval; 413 { 414 struct freebsd_sys_rename_args /* { 415 syscallarg(char *) from; 416 syscallarg(char *) to; 417 } */ *uap = v; 418 419 return sys_rename(l, uap, retval); 420 } 421 422 int 423 compat_43_freebsd_sys_truncate(l, v, retval) 424 struct lwp *l; 425 void *v; 426 register_t *retval; 427 { 428 struct compat_43_freebsd_sys_truncate_args /* { 429 syscallarg(char *) path; 430 syscallarg(long) length; 431 } */ *uap = v; 432 433 return compat_43_sys_truncate(l, uap, retval); 434 } 435 436 int 437 freebsd_sys_mkfifo(l, v, retval) 438 struct lwp *l; 439 void *v; 440 register_t *retval; 441 { 442 struct freebsd_sys_mkfifo_args /* { 443 syscallarg(char *) path; 444 syscallarg(int) mode; 445 } */ *uap = v; 446 447 return sys_mkfifo(l, uap, retval); 448 } 449 450 int 451 freebsd_sys_mkdir(l, v, retval) 452 struct lwp *l; 453 void *v; 454 register_t *retval; 455 { 456 struct freebsd_sys_mkdir_args /* { 457 syscallarg(char *) path; 458 syscallarg(int) mode; 459 } */ *uap = v; 460 461 return sys_mkdir(l, uap, retval); 462 } 463 464 int 465 freebsd_sys_rmdir(l, v, retval) 466 struct lwp *l; 467 void *v; 468 register_t *retval; 469 { 470 struct freebsd_sys_rmdir_args /* { 471 syscallarg(char *) path; 472 } */ *uap = v; 473 474 return sys_rmdir(l, uap, retval); 475 } 476 477 int 478 freebsd_sys_statfs(l, v, retval) 479 struct lwp *l; 480 void *v; 481 register_t *retval; 482 { 483 struct freebsd_sys_stat_args /* { 484 syscallarg(char *) path; 485 syscallarg(struct statfs12 *) buf; 486 } */ *uap = v; 487 488 return compat_20_sys_statfs(l, uap, retval); 489 } 490 491 #ifdef NFS 492 int 493 freebsd_sys_getfh(l, v, retval) 494 struct lwp *l; 495 void *v; 496 register_t *retval; 497 { 498 struct freebsd_sys_getfh_args /* { 499 syscallarg(char *) fname; 500 syscallarg(fhandle_t *) fhp; 501 } */ *uap = v; 502 503 return compat_30_sys_getfh(l, uap, retval); 504 } 505 #endif /* NFS */ 506 507 int 508 freebsd_sys_stat(l, v, retval) 509 struct lwp *l; 510 void *v; 511 register_t *retval; 512 { 513 struct freebsd_sys_stat_args /* { 514 syscallarg(char *) path; 515 syscallarg(struct stat12 *) ub; 516 } */ *uap = v; 517 518 return compat_12_sys_stat(l, uap, retval); 519 } 520 521 int 522 freebsd_sys_lstat(l, v, retval) 523 struct lwp *l; 524 void *v; 525 register_t *retval; 526 { 527 struct freebsd_sys_lstat_args /* { 528 syscallarg(char *) path; 529 syscallarg(struct stat12 *) ub; 530 } */ *uap = v; 531 532 return compat_12_sys_lstat(l, uap, retval); 533 } 534 535 int 536 freebsd_sys_pathconf(l, v, retval) 537 struct lwp *l; 538 void *v; 539 register_t *retval; 540 { 541 struct freebsd_sys_pathconf_args /* { 542 syscallarg(char *) path; 543 syscallarg(int) name; 544 } */ *uap = v; 545 546 return sys_pathconf(l, uap, retval); 547 } 548 549 int 550 freebsd_sys_truncate(l, v, retval) 551 struct lwp *l; 552 void *v; 553 register_t *retval; 554 { 555 struct freebsd_sys_truncate_args /* { 556 syscallarg(char *) path; 557 syscallarg(int) pad; 558 syscallarg(off_t) length; 559 } */ *uap = v; 560 561 return sys_truncate(l, uap, retval); 562 } 563
Indexes created Tue Oct 21 05:10:09 GMT 2025