The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/compat/svr4_32/svr4_32_stat.c

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    1 /*      $NetBSD: svr4_32_stat.c,v 1.20 2006/07/23 22:06:10 ad Exp $      */
    2 
    3 /*-
    4  * Copyright (c) 1994 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  * 3. All advertising materials mentioning features or use of this software
   19  *    must display the following acknowledgement:
   20  *        This product includes software developed by the NetBSD
   21  *        Foundation, Inc. and its contributors.
   22  * 4. Neither the name of The NetBSD Foundation nor the names of its
   23  *    contributors may be used to endorse or promote products derived
   24  *    from this software without specific prior written permission.
   25  *
   26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   36  * POSSIBILITY OF SUCH DAMAGE.
   37  */
   38 
   39 #include <sys/cdefs.h>
   40 __KERNEL_RCSID(0, "$NetBSD: svr4_32_stat.c,v 1.20 2006/07/23 22:06:10 ad Exp $");
   41 
   42 #include <sys/param.h>
   43 #include <sys/systm.h>
   44 #include <sys/namei.h>
   45 #include <sys/proc.h>
   46 #include <sys/file.h>
   47 #include <sys/stat.h>
   48 #include <sys/filedesc.h>
   49 #include <sys/ioctl.h>
   50 #include <sys/kernel.h>
   51 #include <sys/mount.h>
   52 #include <sys/malloc.h>
   53 #include <sys/unistd.h>
   54 #include <sys/kauth.h>
   55 
   56 #include <sys/time.h>
   57 #include <sys/ucred.h>
   58 #include <uvm/uvm_extern.h>
   59 #include <sys/sysctl.h>
   60 
   61 #include <sys/sa.h>
   62 #include <sys/syscallargs.h>
   63 
   64 #include <compat/svr4_32/svr4_32_types.h>
   65 #include <compat/svr4_32/svr4_32_signal.h>
   66 #include <compat/svr4_32/svr4_32_lwp.h>
   67 #include <compat/svr4_32/svr4_32_ucontext.h>
   68 #include <compat/svr4_32/svr4_32_syscallargs.h>
   69 #include <compat/svr4_32/svr4_32_util.h>
   70 #include <compat/svr4_32/svr4_32_stat.h>
   71 #include <compat/svr4_32/svr4_32_ustat.h>
   72 #include <compat/svr4_32/svr4_32_fuser.h>
   73 #include <compat/svr4/svr4_utsname.h>
   74 #include <compat/svr4/svr4_systeminfo.h>
   75 #include <compat/svr4_32/svr4_32_time.h>
   76 #include <compat/svr4_32/svr4_32_socket.h>
   77 
   78 #if defined(__sparc__) || defined(__sparc_v9__) || defined(__sparc64__)
   79 /*
   80  * Solaris-2.4 on the sparc has the old stat call using the new
   81  * stat data structure...
   82  */
   83 # define SVR4_NO_OSTAT
   84 #endif
   85 
   86 static void bsd_to_svr4_32_xstat __P((struct stat *, struct svr4_32_xstat *));
   87 static void bsd_to_svr4_32_stat64 __P((struct stat *, struct svr4_32_stat64 *));
   88 int svr4_32_ustat __P((struct lwp *, void *, register_t *));
   89 static int svr4_32_to_bsd_pathconf __P((int));
   90 
   91 /*
   92  * SVR4 uses named pipes as named sockets, so we tell programs
   93  * that sockets are named pipes with mode 0
   94  */
   95 #define BSD_TO_SVR4_MODE(mode) (S_ISSOCK(mode) ? S_IFIFO : (mode))
   96 
   97 
   98 #ifndef SVR4_NO_OSTAT
   99 static void bsd_to_svr4_32_stat __P((struct stat *, struct svr4_32_stat *));
  100 
  101 static void
  102 bsd_to_svr4_32_stat(st, st4)
  103         struct stat             *st;
  104         struct svr4_32_stat     *st4;
  105 {
  106         memset(st4, 0, sizeof(*st4));
  107         st4->st_dev = bsd_to_svr4_odev_t(st->st_dev);
  108         st4->st_ino = st->st_ino;
  109         st4->st_mode = BSD_TO_SVR4_MODE(st->st_mode);
  110         st4->st_nlink = st->st_nlink;
  111         st4->st_uid = st->st_uid;
  112         st4->st_gid = st->st_gid;
  113         st4->st_rdev = bsd_to_svr4_odev_t(st->st_rdev);
  114         st4->st_size = st->st_size;
  115         st4->st_atim = st->st_atimespec.tv_sec;
  116         st4->st_mtim = st->st_mtimespec.tv_sec;
  117         st4->st_ctim = st->st_ctimespec.tv_sec;
  118 }
  119 #endif
  120 
  121 
  122 static void
  123 bsd_to_svr4_32_xstat(st, st4)
  124         struct stat             *st;
  125         struct svr4_32_xstat    *st4;
  126 {
  127         memset(st4, 0, sizeof(*st4));
  128         st4->st_dev = bsd_to_svr4_dev_t(st->st_dev);
  129         st4->st_ino = st->st_ino;
  130         st4->st_mode = BSD_TO_SVR4_MODE(st->st_mode);
  131         st4->st_nlink = st->st_nlink;
  132         st4->st_uid = st->st_uid;
  133         st4->st_gid = st->st_gid;
  134         st4->st_rdev = bsd_to_svr4_dev_t(st->st_rdev);
  135         st4->st_size = st->st_size;
  136         st4->st_atim.tv_sec = st->st_atimespec.tv_sec;
  137         st4->st_atim.tv_nsec = st->st_atimespec.tv_nsec;
  138         st4->st_mtim.tv_sec = st->st_mtimespec.tv_sec;
  139         st4->st_mtim.tv_nsec = st->st_mtimespec.tv_nsec;
  140         st4->st_ctim.tv_sec = st->st_ctimespec.tv_sec;
  141         st4->st_ctim.tv_nsec = st->st_ctimespec.tv_nsec;
  142         st4->st_blksize = st->st_blksize;
  143         st4->st_blocks = st->st_blocks;
  144         strlcpy(st4->st_fstype, "unknown", sizeof(st4->st_fstype));
  145 }
  146 
  147 
  148 static void
  149 bsd_to_svr4_32_stat64(st, st4)
  150         struct stat             *st;
  151         struct svr4_32_stat64   *st4;
  152 {
  153         memset(st4, 0, sizeof(*st4));
  154         st4->st_dev = bsd_to_svr4_dev_t(st->st_dev);
  155         st4->st_ino = st->st_ino;
  156         st4->st_mode = BSD_TO_SVR4_MODE(st->st_mode);
  157         st4->st_nlink = st->st_nlink;
  158         st4->st_uid = st->st_uid;
  159         st4->st_gid = st->st_gid;
  160         st4->st_rdev = bsd_to_svr4_dev_t(st->st_rdev);
  161         st4->st_size = st->st_size;
  162         st4->st_atim.tv_sec = st->st_atimespec.tv_sec;
  163         st4->st_atim.tv_nsec = st->st_atimespec.tv_nsec;
  164         st4->st_mtim.tv_sec = st->st_mtimespec.tv_sec;
  165         st4->st_mtim.tv_nsec = st->st_mtimespec.tv_nsec;
  166         st4->st_ctim.tv_sec = st->st_ctimespec.tv_sec;
  167         st4->st_ctim.tv_nsec = st->st_ctimespec.tv_nsec;
  168         st4->st_blocks = st->st_blocks;
  169         strlcpy(st4->st_fstype, "unknown", sizeof(st4->st_fstype));
  170 }
  171 
  172 
  173 int
  174 svr4_32_sys_stat(l, v, retval)
  175         struct lwp *l;
  176         void *v;
  177         register_t *retval;
  178 {
  179         struct svr4_32_sys_stat_args *uap = v;
  180 #ifdef SVR4_NO_OSTAT
  181         struct svr4_32_sys_xstat_args_noconst {
  182                 syscallarg(int) two;
  183                 syscallarg(netbsd32_charp) path;
  184                 syscallarg(svr4_32_xstat_tp) ub;
  185         } cup;
  186 
  187         SCARG(&cup, two) = 2;
  188         SCARG(&cup, path) = SCARG(uap, path);
  189         SCARG(&cup, ub) = SCARG(uap, ub);
  190         return svr4_32_sys_xstat(l, &cup, retval);
  191 #else
  192         struct proc *p = l->l_proc;
  193         struct stat             st;
  194         struct svr4_32_stat     svr4_st;
  195         struct sys___stat13_args        cup;
  196         int                     error;
  197 
  198         caddr_t sg = stackgap_init(p, 0);
  199         SCARG(&cup, ub) = stackgap_alloc(p, &sg, sizeof(struct stat));
  200         SCARG(&cup, path) = SCARG(uap, path);
  201         SCARG(&cup, path) = (char *)(u_long)SCARG(uap, path);
  202         CHECK_ALT_EXIST(l, &sg, SCARG(&cup, path));
  203 
  204         if ((error = sys___stat13(p, &cup, retval)) != 0)
  205                 return error;
  206 
  207         if ((error = copyin(SCARG(&cup, ub), &st, sizeof st)) != 0)
  208                 return error;
  209 
  210         bsd_to_svr4_32_stat(&st, &svr4_st);
  211 
  212         if (S_ISSOCK(st.st_mode))
  213                 (void) svr4_add_socket(p, SCARG(&cup, path), &st);
  214 
  215         if ((error = copyout(&svr4_st, (vaddr_t)(u_long)SCARG(uap, ub),
  216                              sizeof svr4_st)) != 0)
  217                 return error;
  218 
  219         return 0;
  220 #endif
  221 }
  222 
  223 
  224 int
  225 svr4_32_sys_lstat(l, v, retval)
  226         struct lwp *l;
  227         void *v;
  228         register_t *retval;
  229 {
  230         struct svr4_32_sys_lstat_args *uap = v;
  231 #ifdef SVR4_NO_OSTAT
  232         struct svr4_32_sys_lxstat_args_noconst {
  233                 syscallarg(int) two;
  234                 syscallarg(netbsd32_charp) path;
  235                 syscallarg(svr4_32_xstat_tp) ub;
  236         } cup;
  237 
  238         SCARG(&cup, two) = 2;
  239         SCARG(&cup, path) = SCARG(uap, path);
  240         SCARG(&cup, ub) = SCARG(uap, ub);
  241         return svr4_32_sys_lxstat(l, &cup, retval);
  242 #else
  243         struct stat             st;
  244         struct svr4_32_stat     svr4_st;
  245         struct sys___lstat13_args       cup;
  246         int                     error;
  247 
  248         caddr_t sg = stackgap_init(p, 0);
  249         SCARG(&cup, ub) = stackgap_alloc(p, &sg, sizeof(struct stat));
  250         SCARG(&cup, path) = (char *)(u_long)SCARG(uap, path);
  251         CHECK_ALT_EXIST(l, &sg, SCARG(&cup, path));
  252 
  253         if ((error = sys___lstat13(p, &cup, retval)) != 0)
  254                 return error;
  255 
  256         if ((error = copyin(SCARG(&cup, ub), &st, sizeof st)) != 0)
  257                 return error;
  258 
  259         bsd_to_svr4_32_stat(&st, &svr4_st);
  260 
  261         if (S_ISSOCK(st.st_mode))
  262                 (void) svr4_add_socket(p, SCARG(&cup, path), &st);
  263 
  264         if ((error = copyout(&svr4_st, (caddr_t)(u_long)SCARG(uap, ub),
  265                              sizeof svr4_st)) != 0)
  266                 return error;
  267 
  268         return 0;
  269 #endif
  270 }
  271 
  272 
  273 int
  274 svr4_32_sys_fstat(l, v, retval)
  275         struct lwp *l;
  276         void *v;
  277         register_t *retval;
  278 {
  279         struct svr4_32_sys_fstat_args *uap = v;
  280 #ifdef SVR4_NO_OSTAT
  281         struct svr4_32_sys_fxstat_args cup;
  282 
  283         SCARG(&cup, two) = 2;
  284         SCARG(&cup, fd) = SCARG(uap, fd);
  285         SCARG(&cup, sb) = SCARG(uap, sb);
  286         return svr4_32_sys_fxstat(l, &cup, retval);
  287 #else
  288         struct stat             st;
  289         struct svr4_32_stat     svr4_st;
  290         struct sys___fstat13_args       cup;
  291         int                     error;
  292 
  293         caddr_t sg = stackgap_init(p, 0);
  294 
  295         SCARG(&cup, fd) = SCARG(uap, fd);
  296         SCARG(&cup, sb) = stackgap_alloc(p, &sg, sizeof(struct stat));
  297 
  298         if ((error = sys___fstat13(p, &cup, retval)) != 0)
  299                 return error;
  300 
  301         if ((error = copyin(SCARG(&cup, sb), &st, sizeof st)) != 0)
  302                 return error;
  303 
  304         bsd_to_svr4_32_stat(&st, &svr4_st);
  305 
  306         if ((error = copyout(&svr4_st, (caddr_t)(u_long)SCARG(uap, sb),
  307                              sizeof svr4_st)) != 0)
  308                 return error;
  309 
  310         return 0;
  311 #endif
  312 }
  313 
  314 
  315 int
  316 svr4_32_sys_xstat(l, v, retval)
  317         struct lwp *l;
  318         void *v;
  319         register_t *retval;
  320 {
  321         struct svr4_32_sys_xstat_args *uap = v;
  322         struct proc *p = l->l_proc;
  323         struct stat             st;
  324         struct svr4_32_xstat    svr4_st;
  325         struct sys___stat30_args        cup;
  326         int                     error;
  327 
  328         caddr_t sg = stackgap_init(p, 0);
  329 
  330         SCARG(&cup, ub) = stackgap_alloc(p, &sg, sizeof(struct stat));
  331         SCARG(&cup, path) = (const char *)(u_long)SCARG(uap, path);
  332         CHECK_ALT_EXIST(l, &sg, SCARG(&cup, path));
  333 
  334         if ((error = sys___stat30(l, &cup, retval)) != 0)
  335                 return error;
  336 
  337         if ((error = copyin(SCARG(&cup, ub), &st, sizeof st)) != 0)
  338                 return error;
  339 
  340         bsd_to_svr4_32_xstat(&st, &svr4_st);
  341 
  342         if (S_ISSOCK(st.st_mode))
  343                 (void) svr4_add_socket(p, (const char *)(u_long)SCARG(uap, path),
  344                                        &st);
  345 
  346         if ((error = copyout(&svr4_st, (caddr_t)(u_long)SCARG(uap, ub),
  347                              sizeof svr4_st)) != 0)
  348                 return error;
  349 
  350         return 0;
  351 }
  352 
  353 
  354 int
  355 svr4_32_sys_lxstat(l, v, retval)
  356         struct lwp *l;
  357         void *v;
  358         register_t *retval;
  359 {
  360         struct svr4_32_sys_lxstat_args *uap = v;
  361         struct proc *p = l->l_proc;
  362         struct stat             st;
  363         struct svr4_32_xstat    svr4_st;
  364         struct sys___lstat30_args       cup;
  365         int                     error;
  366 
  367         caddr_t sg = stackgap_init(p, 0);
  368 
  369         SCARG(&cup, ub) = stackgap_alloc(p, &sg, sizeof(struct stat));
  370         SCARG(&cup, path) = (const char *)(u_long)SCARG(uap, path);
  371         CHECK_ALT_EXIST(l, &sg, SCARG(&cup, path));
  372 
  373         if ((error = sys___lstat30(l, &cup, retval)) != 0)
  374                 return error;
  375 
  376         if ((error = copyin(SCARG(&cup, ub), &st, sizeof st)) != 0)
  377                 return error;
  378 
  379         bsd_to_svr4_32_xstat(&st, &svr4_st);
  380 
  381         if (S_ISSOCK(st.st_mode))
  382                 (void) svr4_add_socket(p, (const char *)(u_long)SCARG(uap, path),
  383                                        &st);
  384 
  385         if ((error = copyout(&svr4_st, (caddr_t)(u_long)SCARG(uap, ub),
  386                              sizeof svr4_st)) != 0)
  387                 return error;
  388 
  389         return 0;
  390 }
  391 
  392 
  393 int
  394 svr4_32_sys_fxstat(l, v, retval)
  395         struct lwp *l;
  396         void *v;
  397         register_t *retval;
  398 {
  399         struct svr4_32_sys_fxstat_args *uap = v;
  400         struct proc *p = l->l_proc;
  401         struct stat             st;
  402         struct svr4_32_xstat    svr4_st;
  403         struct sys___fstat30_args       cup;
  404         int                     error;
  405 
  406         caddr_t sg = stackgap_init(p, 0);
  407 
  408         SCARG(&cup, fd) = SCARG(uap, fd);
  409         SCARG(&cup, sb) = stackgap_alloc(p, &sg, sizeof(struct stat));
  410 
  411         if ((error = sys___fstat30(l, &cup, retval)) != 0)
  412                 return error;
  413 
  414         if ((error = copyin(SCARG(&cup, sb), &st, sizeof st)) != 0)
  415                 return error;
  416 
  417         bsd_to_svr4_32_xstat(&st, &svr4_st);
  418 
  419         if ((error = copyout(&svr4_st, (caddr_t)(u_long)SCARG(uap, sb),
  420                              sizeof svr4_st)) != 0)
  421                 return error;
  422 
  423         return 0;
  424 }
  425 
  426 
  427 int
  428 svr4_32_sys_stat64(l, v, retval)
  429         struct lwp *l;
  430         void *v;
  431         register_t *retval;
  432 {
  433         struct svr4_32_sys_stat64_args *uap = v;
  434         struct proc *p = l->l_proc;
  435         struct stat             st;
  436         struct svr4_32_stat64   svr4_st;
  437         struct sys___stat30_args        cup;
  438         int                     error;
  439 
  440         caddr_t sg = stackgap_init(p, 0);
  441 
  442         SCARG(&cup, ub) = stackgap_alloc(p, &sg, sizeof(struct stat));
  443         SCARG(&cup, path) = (const char *)(u_long)SCARG(uap, path);
  444         CHECK_ALT_EXIST(l, &sg, SCARG(&cup, path));
  445 
  446         if ((error = sys___stat30(l, &cup, retval)) != 0)
  447                 return error;
  448 
  449         if ((error = copyin(SCARG(&cup, ub), &st, sizeof st)) != 0)
  450                 return error;
  451 
  452         bsd_to_svr4_32_stat64(&st, &svr4_st);
  453 
  454         if (S_ISSOCK(st.st_mode))
  455                 (void) svr4_add_socket(p, (const char *)(u_long)SCARG(uap, path),
  456                                        &st);
  457 
  458         if ((error = copyout(&svr4_st,  (caddr_t)(u_long)SCARG(uap, sb),
  459                              sizeof svr4_st)) != 0)
  460                 return error;
  461 
  462         return 0;
  463 }
  464 
  465 
  466 int
  467 svr4_32_sys_lstat64(l, v, retval)
  468         struct lwp *l;
  469         void *v;
  470         register_t *retval;
  471 {
  472         struct svr4_32_sys_lstat64_args *uap = v;
  473         struct proc *p = l->l_proc;
  474         struct stat             st;
  475         struct svr4_32_stat64   svr4_st;
  476         struct sys___lstat30_args       cup;
  477         int                     error;
  478 
  479         caddr_t sg = stackgap_init(p, 0);
  480 
  481         SCARG(&cup, ub) = stackgap_alloc(p, &sg, sizeof(struct stat));
  482         SCARG(&cup, path) = (const char *)(u_long)SCARG(uap, path);
  483         CHECK_ALT_EXIST(l, &sg, SCARG(&cup, path));
  484 
  485         if ((error = sys___lstat30(l, &cup, retval)) != 0)
  486                 return error;
  487 
  488         if ((error = copyin(SCARG(&cup, ub), &st, sizeof st)) != 0)
  489                 return error;
  490 
  491         bsd_to_svr4_32_stat64(&st, &svr4_st);
  492 
  493         if (S_ISSOCK(st.st_mode))
  494                 (void) svr4_add_socket(p, (const char *)(u_long)SCARG(uap, path),
  495                                        &st);
  496 
  497         if ((error = copyout(&svr4_st, (caddr_t)(u_long)SCARG(uap, sb),
  498                              sizeof svr4_st)) != 0)
  499                 return error;
  500 
  501         return 0;
  502 }
  503 
  504 
  505 int
  506 svr4_32_sys_fstat64(l, v, retval)
  507         struct lwp *l;
  508         void *v;
  509         register_t *retval;
  510 {
  511         struct svr4_32_sys_fstat64_args *uap = v;
  512         struct proc *p = l->l_proc;
  513         struct stat             st;
  514         struct svr4_32_stat64   svr4_st;
  515         struct sys___fstat30_args       cup;
  516         int                     error;
  517 
  518         caddr_t sg = stackgap_init(p, 0);
  519 
  520         SCARG(&cup, fd) = SCARG(uap, fd);
  521         SCARG(&cup, sb) = stackgap_alloc(p, &sg, sizeof(struct stat));
  522 
  523         if ((error = sys___fstat30(l, &cup, retval)) != 0)
  524                 return error;
  525 
  526         if ((error = copyin(SCARG(&cup, sb), &st, sizeof st)) != 0)
  527                 return error;
  528 
  529         bsd_to_svr4_32_stat64(&st, &svr4_st);
  530 
  531         if ((error = copyout(&svr4_st, (caddr_t)(u_long)SCARG(uap, sb),
  532                              sizeof svr4_st)) != 0)
  533                 return error;
  534 
  535         return 0;
  536 }
  537 
  538 
  539 struct svr4_32_ustat_args {
  540         syscallarg(svr4_dev_t)          dev;
  541         syscallarg(svr4_32_ustatp)      name;
  542 };
  543 
  544 int
  545 svr4_32_ustat(l, v, retval)
  546         struct lwp *l;
  547         void *v;
  548         register_t *retval;
  549 {
  550         struct svr4_32_ustat_args /* {
  551                 syscallarg(svr4_dev_t)          dev;
  552                 syscallarg(svr4_32_ustatp)      name;
  553         } */ *uap = v;
  554         struct svr4_32_ustat    us;
  555         int                     error;
  556 
  557         memset(&us, 0, sizeof us);
  558 
  559         /*
  560          * XXX: should set f_tfree and f_tinode at least
  561          * How do we translate dev -> fstat? (and then to svr4_32_ustat)
  562          */
  563         if ((error = copyout(&us, (caddr_t)(u_long)SCARG(uap, name),
  564                              sizeof us)) != 0)
  565                 return (error);
  566 
  567         return 0;
  568 }
  569 
  570 
  571 
  572 int
  573 svr4_32_sys_uname(l, v, retval)
  574         struct lwp *l;
  575         void *v;
  576         register_t *retval;
  577 {
  578         struct svr4_32_sys_uname_args *uap = v;
  579         struct svr4_utsname     sut;
  580 
  581         memset(&sut, 0, sizeof(sut));
  582 
  583         strncpy(sut.sysname, ostype, sizeof(sut.sysname));
  584         sut.sysname[sizeof(sut.sysname) - 1] = '\0';
  585 
  586         strncpy(sut.nodename, hostname, sizeof(sut.nodename));
  587         sut.nodename[sizeof(sut.nodename) - 1] = '\0';
  588 
  589         strncpy(sut.release, osrelease, sizeof(sut.release));
  590         sut.release[sizeof(sut.release) - 1] = '\0';
  591 
  592         strncpy(sut.version, version, sizeof(sut.version));
  593         sut.version[sizeof(sut.version) - 1] = '\0';
  594 
  595         strncpy(sut.machine, machine, sizeof(sut.machine));
  596         sut.machine[sizeof(sut.machine) - 1] = '\0';
  597 
  598         return copyout((caddr_t) &sut, (caddr_t)(u_long)SCARG(uap, name),
  599                        sizeof(struct svr4_utsname));
  600 }
  601 
  602 
  603 int
  604 svr4_32_sys_systeminfo(l, v, retval)
  605         struct lwp *l;
  606         void *v;
  607         register_t *retval;
  608 {
  609         struct svr4_32_sys_systeminfo_args *uap = v;
  610         const char *str = NULL;
  611         int name[2];
  612         int error;
  613         size_t len;
  614         char buf[256];
  615 
  616         u_int rlen = SCARG(uap, len);
  617 
  618         switch (SCARG(uap, what)) {
  619         case SVR4_SI_SYSNAME:
  620                 str = ostype;
  621                 break;
  622 
  623         case SVR4_SI_HOSTNAME:
  624                 str = hostname;
  625                 break;
  626 
  627         case SVR4_SI_RELEASE:
  628                 str = osrelease;
  629                 break;
  630 
  631         case SVR4_SI_VERSION:
  632                 str = version;
  633                 break;
  634 
  635         case SVR4_SI_MACHINE:
  636                 str = "sun4m"; /* Lie, pretend we are 4m */
  637                 break;
  638 
  639         case SVR4_SI_ARCHITECTURE:
  640 #if defined(__sparc__)
  641                 str = "sparc";
  642 #else
  643                 str = machine_arch;
  644 #endif
  645                 break;
  646 
  647         case SVR4_SI_ISALIST:
  648 #if defined(__sparc__)
  649                 str = "sparcv8 sparcv8-fsmuld sparcv7 sparc";
  650 #elif defined(__i386__)
  651                 str = "i386";
  652 #else
  653                 str = "unknown";
  654 #endif
  655                 break;
  656 
  657         case SVR4_SI_HW_SERIAL:
  658                 snprintf(buf, sizeof(buf), "%lu", hostid);
  659                 str = buf;
  660                 break;
  661 
  662         case SVR4_SI_HW_PROVIDER:
  663                 str = ostype;
  664                 break;
  665 
  666         case SVR4_SI_SRPC_DOMAIN:
  667                 str = domainname;
  668                 break;
  669 
  670         case SVR4_SI_PLATFORM:
  671 #if defined(__i386__)
  672                 str = "i86pc";
  673 #elif defined(__sparc__)
  674                 {
  675                         extern char machine_model[];
  676 
  677                         str = machine_model;
  678                 }
  679 #else
  680                 str = "unknown";
  681 #endif
  682                 break;
  683 
  684         case SVR4_SI_KERB_REALM:
  685                 str = "unsupported";
  686                 break;
  687 
  688         case SVR4_SI_SET_HOSTNAME:
  689                 if ((error = kauth_authorize_generic(l->l_cred,
  690                     KAUTH_GENERIC_ISSUSER, &l->l_acflag)) != 0)
  691                         return error;
  692                 name[1] = KERN_HOSTNAME;
  693                 break;
  694 
  695         case SVR4_SI_SET_SRPC_DOMAIN:
  696                 if ((error = kauth_authorize_generic(l->l_cred,
  697                     KAUTH_GENERIC_ISSUSER, &l->l_acflag)) != 0)
  698                         return error;
  699                 name[1] = KERN_DOMAINNAME;
  700                 break;
  701 
  702         case SVR4_SI_SET_KERB_REALM:
  703                 return 0;
  704 
  705         default:
  706                 DPRINTF(("Bad systeminfo command %d\n", SCARG(uap, what)));
  707                 return ENOSYS;
  708         }
  709 
  710         if (str) {
  711                 len = strlen(str) + 1;
  712                 if (len < rlen)
  713                         rlen = len;
  714 
  715                 if (SCARG(uap, buf)) {
  716                         error = copyout(str, (caddr_t)(u_long)SCARG(uap, buf),
  717                             rlen);
  718                         if (error)
  719                                 return error;
  720                         if (rlen > 0) {
  721                                 /* make sure we are NULL terminated */
  722                                 buf[0] = '\0';
  723                                 error = copyout(buf, &(((caddr_t)(u_long)
  724                                     SCARG(uap, buf))[rlen - 1]), 1);
  725                         }
  726                 }
  727                 else
  728                         error = 0;
  729         }
  730         else {
  731                 error = copyinstr((caddr_t)(u_long)SCARG(uap, buf), buf,
  732                                   sizeof(buf), &len);
  733                 if (error)
  734                         return error;
  735                 name[0] = CTL_KERN;
  736                 error = old_sysctl(&name[0], 1, 0, 0, buf, len, NULL);
  737         }
  738 
  739         *retval = len;
  740         return error;
  741 }
  742 
  743 
  744 int
  745 svr4_32_sys_utssys(l, v, retval)
  746         struct lwp *l;
  747         void *v;
  748         register_t *retval;
  749 {
  750         struct svr4_32_sys_utssys_args *uap = v;
  751 
  752         switch (SCARG(uap, sel)) {
  753         case 0:         /* uname(2)  */
  754                 {
  755                         struct svr4_32_sys_uname_args ua;
  756                         SCARG(&ua, name) = SCARG(uap, a1);
  757                         return svr4_32_sys_uname(l, &ua, retval);
  758                 }
  759 
  760         case 2:         /* ustat(2)  */
  761                 {
  762                         struct svr4_32_ustat_args ua;
  763                         SCARG(&ua, dev) = (svr4_32_dev_t) SCARG(uap, a2);
  764                         SCARG(&ua, name) = SCARG(uap, a1);
  765                         return svr4_32_ustat(l, &ua, retval);
  766                 }
  767 
  768         case 3:         /* fusers(2) */
  769                 return ENOSYS;
  770 
  771         default:
  772                 return ENOSYS;
  773         }
  774         return ENOSYS;
  775 }
  776 
  777 
  778 int
  779 svr4_32_sys_utime(l, v, retval)
  780         struct lwp *l;
  781         void *v;
  782         register_t *retval;
  783 {
  784         struct svr4_32_sys_utime_args *uap = v;
  785         struct proc *p = l->l_proc;
  786         struct svr4_32_utimbuf ub;
  787         struct timeval tbuf[2];
  788         struct sys_utimes_args ap;
  789         int error;
  790         void *ttp;
  791         caddr_t sg = stackgap_init(p, 0);
  792 
  793         ttp = stackgap_alloc(p, &sg, sizeof(tbuf));
  794         SCARG(&ap, path) = (const char *)(u_long)SCARG(uap, path);
  795         CHECK_ALT_EXIST(l, &sg, SCARG(&ap, path));
  796         if (SCARG(uap, ubuf)) {
  797                 if ((error = copyin((caddr_t)(u_long)SCARG(uap, ubuf),
  798                                     &ub, sizeof(ub))) != 0)
  799                         return error;
  800                 tbuf[0].tv_sec = ub.actime;
  801                 tbuf[0].tv_usec = 0;
  802                 tbuf[1].tv_sec = ub.modtime;
  803                 tbuf[1].tv_usec = 0;
  804                 error = copyout(tbuf, ttp, sizeof(tbuf));
  805                 if (error)
  806                         return error;
  807                 SCARG(&ap, tptr) = ttp;
  808         }
  809         else
  810                 SCARG(&ap, tptr) = NULL;
  811         return sys_utimes(l, &ap, retval);
  812 }
  813 
  814 
  815 int
  816 svr4_32_sys_utimes(l, v, retval)
  817         struct lwp *l;
  818         void *v;
  819         register_t *retval;
  820 {
  821         struct svr4_32_sys_utimes_args *uap = v;
  822         struct proc *p = l->l_proc;
  823         struct sys_utimes_args ua;
  824         caddr_t sg = stackgap_init(p, 0);
  825         SCARG(&ua, path) = (const char *)(u_long)SCARG(uap, path);
  826         CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path));
  827         SCARG(&ua, tptr) = (const struct timeval *)(u_long)SCARG(uap, tptr);
  828 
  829         return sys_utimes(l, &ua, retval);
  830 }
  831 
  832 
  833 static int
  834 svr4_32_to_bsd_pathconf(name)
  835         int name;
  836 {
  837         switch (name) {
  838         case SVR4_PC_LINK_MAX:
  839                 return _PC_LINK_MAX;
  840 
  841         case SVR4_PC_MAX_CANON:
  842                 return _PC_MAX_CANON;
  843 
  844         case SVR4_PC_MAX_INPUT:
  845                 return _PC_MAX_INPUT;
  846 
  847         case SVR4_PC_NAME_MAX:
  848                 return _PC_NAME_MAX;
  849 
  850         case SVR4_PC_PATH_MAX:
  851                 return _PC_PATH_MAX;
  852 
  853         case SVR4_PC_PIPE_BUF:
  854                 return _PC_PIPE_BUF;
  855 
  856         case SVR4_PC_NO_TRUNC:
  857                 return _PC_NO_TRUNC;
  858 
  859         case SVR4_PC_VDISABLE:
  860                 return _PC_VDISABLE;
  861 
  862         case SVR4_PC_CHOWN_RESTRICTED:
  863                 return _PC_CHOWN_RESTRICTED;
  864 
  865         case SVR4_PC_SYNC_IO:
  866                 return _PC_SYNC_IO;
  867 
  868         case SVR4_PC_FILESIZEBITS:
  869                 return _PC_FILESIZEBITS;
  870 
  871         case SVR4_PC_ASYNC_IO:
  872         case SVR4_PC_PRIO_IO:
  873                 /* Not supported */
  874                 return 0;
  875 
  876         default:
  877                 /* Invalid */
  878                 return -1;
  879         }
  880 }
  881 
  882 
  883 int
  884 svr4_32_sys_pathconf(l, v, retval)
  885         struct lwp *l;
  886         void *v;
  887         register_t *retval;
  888 {
  889         struct svr4_32_sys_pathconf_args *uap = v;
  890         struct proc *p = l->l_proc;
  891         struct sys_pathconf_args /* {
  892                 syscallarg(char *) path;
  893                 syscallarg(int) name;
  894         } */ ua;
  895         caddr_t sg = stackgap_init(p, 0);
  896 
  897         SCARG(&ua, path) = (char *)(u_long)SCARG(uap, path);
  898 
  899         CHECK_ALT_EXIST(l, &sg, SCARG(&ua, path));
  900 
  901         SCARG(&ua, name) = svr4_32_to_bsd_pathconf(SCARG(&ua, name));
  902 
  903         switch (SCARG(&ua, name)) {
  904         case -1:
  905                 *retval = -1;
  906                 return EINVAL;
  907         case 0:
  908                 *retval = 0;
  909                 return 0;
  910         default:
  911                 return sys_pathconf(l, uap, retval);
  912         }
  913 }
  914 
  915 
  916 int
  917 svr4_32_sys_fpathconf(l, v, retval)
  918         struct lwp *l;
  919         void *v;
  920         register_t *retval;
  921 {
  922         struct svr4_32_sys_fpathconf_args *uap = v;
  923 
  924         SCARG(uap, name) = svr4_32_to_bsd_pathconf(SCARG(uap, name));
  925 
  926         switch (SCARG(uap, name)) {
  927         case -1:
  928                 *retval = -1;
  929                 return EINVAL;
  930         case 0:
  931                 *retval = 0;
  932                 return 0;
  933         default:
  934                 return sys_fpathconf(l, uap, retval);
  935         }
  936 }

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