sys/compat/svr4_32/svr4_32_stat.c

   1 /*      $NetBSD: svr4_32_stat.c,v 1.35 2008/04/28 20:23:46 martin Exp $  */
   2
   3 /*-
   4  * Copyright (c) 1994, 2008 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Christos Zoulas.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #include <sys/cdefs.h>
  33 __KERNEL_RCSID(0, "$NetBSD: svr4_32_stat.c,v 1.35 2008/04/28 20:23:46 martin Exp $");
  34
  35 #include <sys/param.h>
  36 #include <sys/systm.h>
  37 #include <sys/namei.h>
  38 #include <sys/proc.h>
  39 #include <sys/file.h>
  40 #include <sys/stat.h>
  41 #include <sys/filedesc.h>
  42 #include <sys/ioctl.h>
  43 #include <sys/kernel.h>
  44 #include <sys/mount.h>
  45 #include <sys/malloc.h>
  46 #include <sys/namei.h>
  47 #include <sys/unistd.h>
  48 #include <sys/kauth.h>
  49
  50 #include <sys/time.h>
  51 #include <sys/ucred.h>
  52 #include <uvm/uvm_extern.h>
  53 #include <sys/sysctl.h>
  54 #include <sys/vfs_syscalls.h>
  55
  56 #include <sys/syscallargs.h>
  57
  58 #include <compat/svr4_32/svr4_32_types.h>
  59 #include <compat/svr4_32/svr4_32_signal.h>
  60 #include <compat/svr4_32/svr4_32_lwp.h>
  61 #include <compat/svr4_32/svr4_32_ucontext.h>
  62 #include <compat/svr4_32/svr4_32_syscallargs.h>
  63 #include <compat/svr4_32/svr4_32_util.h>
  64 #include <compat/svr4_32/svr4_32_stat.h>
  65 #include <compat/svr4_32/svr4_32_ustat.h>
  66 #include <compat/svr4_32/svr4_32_fuser.h>
  67 #include <compat/svr4/svr4_utsname.h>
  68 #include <compat/svr4/svr4_systeminfo.h>
  69 #include <compat/svr4_32/svr4_32_time.h>
  70 #include <compat/svr4_32/svr4_32_socket.h>
  71
  72 #if defined(__sparc__) || defined(__sparc_v9__) || defined(__sparc64__)
  73 /*
  74  * Solaris-2.4 on the sparc has the old stat call using the new
  75  * stat data structure...
  76  */
  77 # define SVR4_NO_OSTAT
  78 #endif
  79
  80 static void bsd_to_svr4_32_xstat(struct stat *, struct svr4_32_xstat *);
  81 static void bsd_to_svr4_32_stat64(struct stat *, struct svr4_32_stat64 *);
  82 static int svr4_32_to_bsd_pathconf(int);
  83
  84 /*
  85  * SVR4 uses named pipes as named sockets, so we tell programs
  86  * that sockets are named pipes with mode 0
  87  */
  88 #define BSD_TO_SVR4_MODE(mode) (S_ISSOCK(mode) ? S_IFIFO : (mode))
  89
  90
  91 #ifndef SVR4_NO_OSTAT
  92 static void bsd_to_svr4_32_stat(struct stat *, struct svr4_32_stat *);
  93
  94 static void
  95 bsd_to_svr4_32_stat(struct stat *st, struct svr4_32_stat *st4)
  96 {
  97         memset(st4, 0, sizeof(*st4));
  98         st4->st_dev = bsd_to_svr4_odev_t(st->st_dev);
  99         st4->st_ino = st->st_ino;
 100         st4->st_mode = BSD_TO_SVR4_MODE(st->st_mode);
 101         st4->st_nlink = st->st_nlink;
 102         st4->st_uid = st->st_uid;
 103         st4->st_gid = st->st_gid;
 104         st4->st_rdev = bsd_to_svr4_odev_t(st->st_rdev);
 105         st4->st_size = st->st_size;
 106         st4->st_atim = st->st_atimespec.tv_sec;
 107         st4->st_mtim = st->st_mtimespec.tv_sec;
 108         st4->st_ctim = st->st_ctimespec.tv_sec;
 109 }
 110 #endif
 111
 112
 113 static void
 114 bsd_to_svr4_32_xstat(struct stat *st, struct svr4_32_xstat *st4)
 115 {
 116         memset(st4, 0, sizeof(*st4));
 117         st4->st_dev = bsd_to_svr4_dev_t(st->st_dev);
 118         st4->st_ino = st->st_ino;
 119         st4->st_mode = BSD_TO_SVR4_MODE(st->st_mode);
 120         st4->st_nlink = st->st_nlink;
 121         st4->st_uid = st->st_uid;
 122         st4->st_gid = st->st_gid;
 123         st4->st_rdev = bsd_to_svr4_dev_t(st->st_rdev);
 124         st4->st_size = st->st_size;
 125         st4->st_atim.tv_sec = st->st_atimespec.tv_sec;
 126         st4->st_atim.tv_nsec = st->st_atimespec.tv_nsec;
 127         st4->st_mtim.tv_sec = st->st_mtimespec.tv_sec;
 128         st4->st_mtim.tv_nsec = st->st_mtimespec.tv_nsec;
 129         st4->st_ctim.tv_sec = st->st_ctimespec.tv_sec;
 130         st4->st_ctim.tv_nsec = st->st_ctimespec.tv_nsec;
 131         st4->st_blksize = st->st_blksize;
 132         st4->st_blocks = st->st_blocks;
 133         strlcpy(st4->st_fstype, "unknown", sizeof(st4->st_fstype));
 134 }
 135
 136
 137 static void
 138 bsd_to_svr4_32_stat64(struct stat *st, struct svr4_32_stat64 *st4)
 139 {
 140         memset(st4, 0, sizeof(*st4));
 141         st4->st_dev = bsd_to_svr4_dev_t(st->st_dev);
 142         st4->st_ino = st->st_ino;
 143         st4->st_mode = BSD_TO_SVR4_MODE(st->st_mode);
 144         st4->st_nlink = st->st_nlink;
 145         st4->st_uid = st->st_uid;
 146         st4->st_gid = st->st_gid;
 147         st4->st_rdev = bsd_to_svr4_dev_t(st->st_rdev);
 148         st4->st_size = st->st_size;
 149         st4->st_atim.tv_sec = st->st_atimespec.tv_sec;
 150         st4->st_atim.tv_nsec = st->st_atimespec.tv_nsec;
 151         st4->st_mtim.tv_sec = st->st_mtimespec.tv_sec;
 152         st4->st_mtim.tv_nsec = st->st_mtimespec.tv_nsec;
 153         st4->st_ctim.tv_sec = st->st_ctimespec.tv_sec;
 154         st4->st_ctim.tv_nsec = st->st_ctimespec.tv_nsec;
 155         st4->st_blocks = st->st_blocks;
 156         strlcpy(st4->st_fstype, "unknown", sizeof(st4->st_fstype));
 157 }
 158
 159
 160 int
 161 svr4_32_sys_stat(struct lwp *l, const struct svr4_32_sys_stat_args *uap, register_t *retval)
 162 {
 163 #ifdef SVR4_NO_OSTAT
 164         struct svr4_32_sys_xstat_args cup;
 165
 166         SCARG(&cup, two) = 2;
 167         SCARG(&cup, path) = SCARG(uap, path);
 168         SCARG(&cup, ub) = SCARG(uap, ub);
 169         return svr4_32_sys_xstat(l, &cup, retval);
 170 #else
 171         struct stat             st;
 172         struct svr4_32_stat     svr4_st;
 173         int                     error;
 174
 175         error = do_sys_stat(SCARG(&cup, path), FOLLOW, &st);
 176         if (error != 0)
 177                 return error;
 178
 179         bsd_to_svr4_32_stat(&st, &svr4_st);
 180
 181         if (S_ISSOCK(st.st_mode))
 182                 (void) svr4_add_socket(p, SCARG(&cup, path), &st);
 183
 184         return copyout(&svr4_st, SCARG_P32(uap, ub),
 185                              sizeof svr4_st);
 186 #endif
 187 }
 188
 189
 190 int
 191 svr4_32_sys_lstat(struct lwp *l, const struct svr4_32_sys_lstat_args *uap, register_t *retval)
 192 {
 193 #ifdef SVR4_NO_OSTAT
 194         struct svr4_32_sys_lxstat_args cup;
 195
 196         SCARG(&cup, two) = 2;
 197         SCARG(&cup, path) = SCARG(uap, path);
 198         SCARG(&cup, ub) = SCARG(uap, ub);
 199         return svr4_32_sys_lxstat(l, &cup, retval);
 200 #else
 201         struct stat             st;
 202         struct svr4_32_stat     svr4_st;
 203         int                     error;
 204
 205         error = do_sys_stat(SCARG(&cup, path), NOFOLLOW, &st);
 206         if (error != 0)
 207                 return error;
 208
 209         bsd_to_svr4_32_stat(&st, &svr4_st);
 210
 211         if (S_ISSOCK(st.st_mode))
 212                 (void) svr4_add_socket(p, SCARG(&cup, path), &st);
 213
 214         return copyout(&svr4_st, SCARG_P32(uap, ub),
 215                              sizeof svr4_st);
 216 #endif
 217 }
 218
 219
 220 int
 221 svr4_32_sys_fstat(struct lwp *l, const struct svr4_32_sys_fstat_args *uap, register_t *retval)
 222 {
 223 #ifdef SVR4_NO_OSTAT
 224         struct svr4_32_sys_fxstat_args cup;
 225
 226         SCARG(&cup, two) = 2;
 227         SCARG(&cup, fd) = SCARG(uap, fd);
 228         SCARG(&cup, sb) = SCARG(uap, sb);
 229         return svr4_32_sys_fxstat(l, &cup, retval);
 230 #else
 231         struct stat             st;
 232         struct svr4_32_stat     svr4_st;
 233         int                     error;
 234
 235         error = do_sys_fstat(SCARG(uap, fd), &st);
 236         if (error != 0)
 237                 return error;
 238
 239         bsd_to_svr4_32_stat(&st, &svr4_st);
 240
 241         return copyout(&svr4_st, SCARG_P32(uap, ub),
 242                              sizeof svr4_st);
 243 #endif
 244 }
 245
 246
 247 int
 248 svr4_32_sys_xstat(struct lwp *l, const struct svr4_32_sys_xstat_args *uap, register_t *retval)
 249 {
 250         struct stat             st;
 251         struct svr4_32_xstat    svr4_st;
 252         int                     error;
 253         const char *path = SCARG_P32(uap, path);
 254
 255         error = do_sys_stat(path, FOLLOW, &st);
 256         if (error != 0)
 257                 return error;
 258
 259         bsd_to_svr4_32_xstat(&st, &svr4_st);
 260
 261         if (S_ISSOCK(st.st_mode))
 262                 (void) svr4_add_socket(l->l_proc, path, &st);
 263
 264         return copyout(&svr4_st, SCARG_P32(uap, ub),
 265                              sizeof svr4_st);
 266 }
 267
 268
 269 int
 270 svr4_32_sys_lxstat(struct lwp *l, const struct svr4_32_sys_lxstat_args *uap, register_t *retval)
 271 {
 272         struct stat             st;
 273         struct svr4_32_xstat    svr4_st;
 274         int                     error;
 275         const char *path = SCARG_P32(uap, path);
 276
 277         error = do_sys_stat(path, NOFOLLOW, &st);
 278         if (error != 0)
 279                 return error;
 280
 281         bsd_to_svr4_32_xstat(&st, &svr4_st);
 282
 283         if (S_ISSOCK(st.st_mode))
 284                 (void) svr4_add_socket(l->l_proc, path, &st);
 285
 286         return copyout(&svr4_st, SCARG_P32(uap, ub),
 287                              sizeof svr4_st);
 288 }
 289
 290
 291 int
 292 svr4_32_sys_fxstat(struct lwp *l, const struct svr4_32_sys_fxstat_args *uap, register_t *retval)
 293 {
 294         struct stat             st;
 295         struct svr4_32_xstat    svr4_st;
 296         int                     error;
 297
 298         error = do_sys_fstat(SCARG(uap, fd), &st);
 299         if (error != 0)
 300                 return error;
 301
 302         bsd_to_svr4_32_xstat(&st, &svr4_st);
 303
 304         return copyout(&svr4_st, SCARG_P32(uap, sb),
 305                              sizeof svr4_st);
 306 }
 307
 308
 309 int
 310 svr4_32_sys_stat64(struct lwp *l, const struct svr4_32_sys_stat64_args *uap, register_t *retval)
 311 {
 312         struct stat             st;
 313         struct svr4_32_stat64   svr4_st;
 314         int                     error;
 315         const char *path = SCARG_P32(uap, path);
 316
 317         error = do_sys_stat(path, FOLLOW, &st);
 318         if (error != 0)
 319                 return error;
 320
 321         bsd_to_svr4_32_stat64(&st, &svr4_st);
 322
 323         if (S_ISSOCK(st.st_mode))
 324                 (void) svr4_add_socket(l->l_proc, path, &st);
 325
 326         return copyout(&svr4_st,  SCARG_P32(uap, sb),
 327                              sizeof svr4_st);
 328 }
 329
 330
 331 int
 332 svr4_32_sys_lstat64(struct lwp *l, const struct svr4_32_sys_lstat64_args *uap, register_t *retval)
 333 {
 334         struct stat             st;
 335         struct svr4_32_stat64   svr4_st;
 336         int                     error;
 337         const char *path = SCARG_P32(uap, path);
 338
 339         error = do_sys_stat(path, NOFOLLOW, &st);
 340         if (error != 0)
 341                 return error;
 342
 343         bsd_to_svr4_32_stat64(&st, &svr4_st);
 344
 345         if (S_ISSOCK(st.st_mode))
 346                 (void) svr4_add_socket(l->l_proc, path, &st);
 347
 348         return copyout(&svr4_st, SCARG_P32(uap, sb),
 349                              sizeof svr4_st);
 350 }
 351
 352
 353 int
 354 svr4_32_sys_fstat64(struct lwp *l, const struct svr4_32_sys_fstat64_args *uap, register_t *retval)
 355 {
 356         struct stat             st;
 357         struct svr4_32_stat64   svr4_st;
 358         int                     error;
 359
 360         error = do_sys_fstat(SCARG(uap, fd), &st);
 361         if (error != 0)
 362                 return error;
 363
 364         bsd_to_svr4_32_stat64(&st, &svr4_st);
 365
 366         return copyout(&svr4_st, SCARG_P32(uap, sb),
 367                              sizeof svr4_st);
 368 }
 369
 370
 371 struct svr4_32_ustat_args {
 372         syscallarg(svr4_dev_t)          dev;
 373         syscallarg(svr4_32_ustatp)      name;
 374 };
 375
 376 static int
 377 svr4_32_ustat(struct lwp *l, const struct svr4_32_ustat_args *uap, register_t *retval)
 378 {
 379         /* {
 380                 syscallarg(svr4_dev_t)          dev;
 381                 syscallarg(svr4_32_ustatp)      name;
 382         } */
 383         struct svr4_32_ustat    us;
 384         int                     error;
 385
 386         memset(&us, 0, sizeof us);
 387
 388         /*
 389          * XXX: should set f_tfree and f_tinode at least
 390          * How do we translate dev -> fstat? (and then to svr4_32_ustat)
 391          */
 392         if ((error = copyout(&us, SCARG_P32(uap, name),
 393                              sizeof us)) != 0)
 394                 return (error);
 395
 396         return 0;
 397 }
 398
 399
 400
 401 int
 402 svr4_32_sys_uname(struct lwp *l, const struct svr4_32_sys_uname_args *uap, register_t *retval)
 403 {
 404         struct svr4_utsname     sut;
 405
 406         memset(&sut, 0, sizeof(sut));
 407
 408         strncpy(sut.sysname, ostype, sizeof(sut.sysname));
 409         sut.sysname[sizeof(sut.sysname) - 1] = '\0';
 410
 411         strncpy(sut.nodename, hostname, sizeof(sut.nodename));
 412         sut.nodename[sizeof(sut.nodename) - 1] = '\0';
 413
 414         strncpy(sut.release, osrelease, sizeof(sut.release));
 415         sut.release[sizeof(sut.release) - 1] = '\0';
 416
 417         strncpy(sut.version, version, sizeof(sut.version));
 418         sut.version[sizeof(sut.version) - 1] = '\0';
 419
 420         strncpy(sut.machine, machine, sizeof(sut.machine));
 421         sut.machine[sizeof(sut.machine) - 1] = '\0';
 422
 423         return copyout((void *) &sut, SCARG_P32(uap, name),
 424                        sizeof(struct svr4_utsname));
 425 }
 426
 427
 428 int
 429 svr4_32_sys_systeminfo(struct lwp *l, const struct svr4_32_sys_systeminfo_args *uap, register_t *retval)
 430 {
 431         const char *str = NULL;
 432         int name[2];
 433         int error;
 434         size_t len;
 435         char buf[256];
 436
 437         u_int rlen = SCARG(uap, len);
 438
 439         switch (SCARG(uap, what)) {
 440         case SVR4_SI_SYSNAME:
 441                 str = ostype;
 442                 break;
 443
 444         case SVR4_SI_HOSTNAME:
 445                 str = hostname;
 446                 break;
 447
 448         case SVR4_SI_RELEASE:
 449                 str = osrelease;
 450                 break;
 451
 452         case SVR4_SI_VERSION:
 453                 str = version;
 454                 break;
 455
 456         case SVR4_SI_MACHINE:
 457                 str = "sun4m"; /* Lie, pretend we are 4m */
 458                 break;
 459
 460         case SVR4_SI_ARCHITECTURE:
 461 #if defined(__sparc__)
 462                 str = "sparc";
 463 #else
 464                 str = machine_arch;
 465 #endif
 466                 break;
 467
 468         case SVR4_SI_ISALIST:
 469 #if defined(__sparc__)
 470                 str = "sparcv8 sparcv8-fsmuld sparcv7 sparc";
 471 #elif defined(__i386__)
 472                 str = "i386";
 473 #else
 474                 str = "unknown";
 475 #endif
 476                 break;
 477
 478         case SVR4_SI_HW_SERIAL:
 479                 snprintf(buf, sizeof(buf), "%lu", hostid);
 480                 str = buf;
 481                 break;
 482
 483         case SVR4_SI_HW_PROVIDER:
 484                 str = ostype;
 485                 break;
 486
 487         case SVR4_SI_SRPC_DOMAIN:
 488                 str = domainname;
 489                 break;
 490
 491         case SVR4_SI_PLATFORM:
 492 #if defined(__i386__)
 493                 str = "i86pc";
 494 #elif defined(__sparc__)
 495                 {
 496                         extern char machine_model[];
 497
 498                         str = machine_model;
 499                 }
 500 #else
 501                 str = "unknown";
 502 #endif
 503                 break;
 504
 505         case SVR4_SI_KERB_REALM:
 506                 str = "unsupported";
 507                 break;
 508
 509         case SVR4_SI_SET_HOSTNAME:
 510                 name[1] = KERN_HOSTNAME;
 511                 break;
 512
 513         case SVR4_SI_SET_SRPC_DOMAIN:
 514                 name[1] = KERN_DOMAINNAME;
 515                 break;
 516
 517         case SVR4_SI_SET_KERB_REALM:
 518                 return 0;
 519
 520         default:
 521                 DPRINTF(("Bad systeminfo command %d\n", SCARG(uap, what)));
 522                 return ENOSYS;
 523         }
 524
 525         if (str) {
 526                 len = strlen(str) + 1;
 527                 if (len < rlen)
 528                         rlen = len;
 529
 530                 if (SCARG_P32(uap, buf)) {
 531                         error = copyout(str, SCARG_P32(uap, buf),
 532                             rlen);
 533                         if (error)
 534                                 return error;
 535                         if (rlen > 0) {
 536                                 /* make sure we are NULL terminated */
 537                                 buf[0] = '\0';
 538                                 error = copyout(buf, &(((char *)
 539                                     SCARG_P32(uap, buf))[rlen - 1]), 1);
 540                         }
 541                 }
 542                 else
 543                         error = 0;
 544         }
 545         else {
 546                 error = copyinstr(SCARG_P32(uap, buf), buf,
 547                                   sizeof(buf), &len);
 548                 if (error)
 549                         return error;
 550                 name[0] = CTL_KERN;
 551                 error = old_sysctl(&name[0], 1, 0, 0, buf, len, NULL);
 552         }
 553
 554         *retval = len;
 555         return error;
 556 }
 557
 558
 559 int
 560 svr4_32_sys_utssys(struct lwp *l, const struct svr4_32_sys_utssys_args *uap, register_t *retval)
 561 {
 562
 563         switch (SCARG(uap, sel)) {
 564         case 0:         /* uname(2)  */
 565                 {
 566                         struct svr4_32_sys_uname_args ua;
 567                         SCARG(&ua, name) = SCARG(uap, a1);
 568                         return svr4_32_sys_uname(l, &ua, retval);
 569                 }
 570
 571         case 2:         /* ustat(2)  */
 572                 {
 573                         struct svr4_32_ustat_args ua;
 574                         SCARG(&ua, dev) =  (uintptr_t)SCARG_P32(uap, a2);
 575                         SCARG(&ua, name) = SCARG(uap, a1);
 576                         return svr4_32_ustat(l, &ua, retval);
 577                 }
 578
 579         case 3:         /* fusers(2) */
 580                 return ENOSYS;
 581
 582         default:
 583                 return ENOSYS;
 584         }
 585         return ENOSYS;
 586 }
 587
 588
 589 int
 590 svr4_32_sys_utime(struct lwp *l, const struct svr4_32_sys_utime_args *uap, register_t *retval)
 591 {
 592         struct svr4_32_utimbuf ub;
 593         struct timeval tbuf[2], *tvp;
 594         int error;
 595
 596         if (SCARG_P32(uap, ubuf)) {
 597                 if ((error = copyin(SCARG_P32(uap, ubuf),
 598                                     &ub, sizeof(ub))) != 0)
 599                         return error;
 600                 tbuf[0].tv_sec = ub.actime;
 601                 tbuf[0].tv_usec = 0;
 602                 tbuf[1].tv_sec = ub.modtime;
 603                 tbuf[1].tv_usec = 0;
 604                 tvp = tbuf;
 605         }
 606         else
 607                 tvp = NULL;
 608         return do_sys_utimes(l, NULL, SCARG_P32(uap, path), FOLLOW,
 609                             tvp, UIO_SYSSPACE);
 610 }
 611
 612
 613 int
 614 svr4_32_sys_utimes(struct lwp *l, const struct svr4_32_sys_utimes_args *uap, register_t *retval)
 615 {
 616         struct compat_50_sys_utimes_args ua;
 617         SCARG(&ua, path) = SCARG_P32(uap, path);
 618         SCARG(&ua, tptr) = SCARG_P32(uap, tptr);
 619
 620         return compat_50_sys_utimes(l, &ua, retval);
 621 }
 622
 623
 624 static int
 625 svr4_32_to_bsd_pathconf(int name)
 626 {
 627         switch (name) {
 628         case SVR4_PC_LINK_MAX:
 629                 return _PC_LINK_MAX;
 630
 631         case SVR4_PC_MAX_CANON:
 632                 return _PC_MAX_CANON;
 633
 634         case SVR4_PC_MAX_INPUT:
 635                 return _PC_MAX_INPUT;
 636
 637         case SVR4_PC_NAME_MAX:
 638                 return _PC_NAME_MAX;
 639
 640         case SVR4_PC_PATH_MAX:
 641                 return _PC_PATH_MAX;
 642
 643         case SVR4_PC_PIPE_BUF:
 644                 return _PC_PIPE_BUF;
 645
 646         case SVR4_PC_NO_TRUNC:
 647                 return _PC_NO_TRUNC;
 648
 649         case SVR4_PC_VDISABLE:
 650                 return _PC_VDISABLE;
 651
 652         case SVR4_PC_CHOWN_RESTRICTED:
 653                 return _PC_CHOWN_RESTRICTED;
 654
 655         case SVR4_PC_SYNC_IO:
 656                 return _PC_SYNC_IO;
 657
 658         case SVR4_PC_FILESIZEBITS:
 659                 return _PC_FILESIZEBITS;
 660
 661         case SVR4_PC_ASYNC_IO:
 662         case SVR4_PC_PRIO_IO:
 663                 /* Not supported */
 664                 return 0;
 665
 666         default:
 667                 /* Invalid */
 668                 return -1;
 669         }
 670 }
 671
 672
 673 int
 674 svr4_32_sys_pathconf(struct lwp *l, const struct svr4_32_sys_pathconf_args *uap, register_t *retval)
 675 {
 676         struct sys_pathconf_args /* {
 677                 syscallarg(char *) path;
 678                 syscallarg(int) name;
 679         } */ ua;
 680
 681         SCARG(&ua, path) = SCARG_P32(uap, path);
 682         SCARG(&ua, name) = svr4_32_to_bsd_pathconf(SCARG(&ua, name));
 683
 684         switch (SCARG(&ua, name)) {
 685         case -1:
 686                 *retval = -1;
 687                 return EINVAL;
 688         case 0:
 689                 *retval = 0;
 690                 return 0;
 691         default:
 692                 return sys_pathconf(l, &ua, retval);
 693         }
 694 }
 695
 696
 697 int
 698 svr4_32_sys_fpathconf(struct lwp *l, const struct svr4_32_sys_fpathconf_args *uap, register_t *retval)
 699 {
 700         struct sys_fpathconf_args ua;
 701
 702         SCARG(&ua, fd) = SCARG(uap, fd);
 703         SCARG(&ua, name) = svr4_32_to_bsd_pathconf(SCARG(uap, name));
 704
 705         switch (SCARG(&ua, name)) {
 706         case -1:
 707                 *retval = -1;
 708                 return EINVAL;
 709         case 0:
 710                 *retval = 0;
 711                 return 0;
 712         default:
 713                 return sys_fpathconf(l, &ua, retval);
 714         }
 715 }