sys/compat/common/kern_info_09.c

   1 /*      $NetBSD: kern_info_09.c,v 1.19 2007/03/04 06:01:13 christos Exp $       */
   2
   3 /*
   4  * Copyright (c) 1982, 1986, 1991, 1993
   5  *      The Regents of the University of California.  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. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)subr_xxx.c  8.1 (Berkeley) 6/10/93
  32  */
  33
  34 #include <sys/cdefs.h>
  35 __KERNEL_RCSID(0, "$NetBSD: kern_info_09.c,v 1.19 2007/03/04 06:01:13 christos Exp $");
  36
  37 #include <sys/param.h>
  38 #include <sys/systm.h>
  39 #include <sys/filedesc.h>
  40 #include <sys/kernel.h>
  41 #include <sys/proc.h>
  42 #include <sys/syslog.h>
  43 #include <sys/unistd.h>
  44 #include <uvm/uvm_extern.h>
  45 #include <sys/sysctl.h>
  46
  47 #include <sys/mount.h>
  48 #include <sys/syscallargs.h>
  49
  50 /* ARGSUSED */
  51 int
  52 compat_09_sys_getdomainname(struct lwp *l, const struct compat_09_sys_getdomainname_args *uap, register_t *retval)
  53 {
  54         /* {
  55                 syscallarg(char *) domainname;
  56                 syscallarg(int) len;
  57         } */
  58         int name[2];
  59         size_t sz;
  60
  61         name[0] = CTL_KERN;
  62         name[1] = KERN_DOMAINNAME;
  63         sz = SCARG(uap,len);
  64         return (old_sysctl(&name[0], 2, SCARG(uap, domainname), &sz, 0, 0, l));
  65 }
  66
  67
  68 /* ARGSUSED */
  69 int
  70 compat_09_sys_setdomainname(struct lwp *l, const struct compat_09_sys_setdomainname_args *uap, register_t *retval)
  71 {
  72         /* {
  73                 syscallarg(char *) domainname;
  74                 syscallarg(int) len;
  75         } */
  76         int name[2];
  77
  78         name[0] = CTL_KERN;
  79         name[1] = KERN_DOMAINNAME;
  80         return (old_sysctl(&name[0], 2, 0, 0, SCARG(uap, domainname),
  81                            SCARG(uap, len), l));
  82 }
  83
  84 struct outsname {
  85         char    sysname[32];
  86         char    nodename[32];
  87         char    release[32];
  88         char    version[32];
  89         char    machine[32];
  90 };
  91
  92 /* ARGSUSED */
  93 int
  94 compat_09_sys_uname(struct lwp *l, const struct compat_09_sys_uname_args *uap, register_t *retval)
  95 {
  96         /* {
  97                 syscallarg(struct outsname *) name;
  98         } */
  99         struct outsname outsname;
 100         const char *cp;
 101         char *dp, *ep;
 102
 103         strncpy(outsname.sysname, ostype, sizeof(outsname.sysname));
 104         strncpy(outsname.nodename, hostname, sizeof(outsname.nodename));
 105         strncpy(outsname.release, osrelease, sizeof(outsname.release));
 106         dp = outsname.version;
 107         ep = &outsname.version[sizeof(outsname.version) - 1];
 108         for (cp = version; *cp && *cp != '('; cp++)
 109                 ;
 110         for (cp++; *cp && *cp != ')' && dp < ep; cp++)
 111                 *dp++ = *cp;
 112         for (; *cp && *cp != '#'; cp++)
 113                 ;
 114         for (; *cp && *cp != ':' && dp < ep; cp++)
 115                 *dp++ = *cp;
 116         *dp = '\0';
 117         strncpy(outsname.machine, MACHINE, sizeof(outsname.machine));
 118         return (copyout((void *)&outsname, (void *)SCARG(uap, name),
 119                         sizeof(struct outsname)));
 120 }