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kern_info_09.c revision 1.20.96.1 
      1 /*	$NetBSD: kern_info_09.c,v 1.20.96.1 2018/04/17 00:02:58 pgoyette 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 1.20.96.1 2018/04/17 00:02:58 pgoyette 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/syscall.h>
     49 #include <sys/syscallvar.h>
     50 #include <sys/syscallargs.h>
     51 
     52 #include <compat/common/compat_mod.h>
     53 
     54 static struct syscall_package kern_info_09_syscalls[] = {
     55 	{ SYS_compat_09_ogetdomainname, 0,
     56 	    (sy_call_t *)compat_09_sys_getdomainname },
     57 	{ SYS_compat_09_osetdomainname, 0,
     58 	    (sy_call_t *)compat_09_sys_setdomainname },
     59 	{ SYS_compat_09_ouname, 0, (sy_call_t *)compat_09_sys_uname },
     60 	{ 0, 0, NULL }
     61 };
     62 
     63 /* ARGSUSED */
     64 int
     65 compat_09_sys_getdomainname(struct lwp *l,
     66     const struct compat_09_sys_getdomainname_args *uap, register_t *retval)
     67 {
     68 	/* {
     69 		syscallarg(char *) domainname;
     70 		syscallarg(int) len;
     71 	} */
     72 	int name[2];
     73 	size_t sz;
     74 
     75 	name[0] = CTL_KERN;
     76 	name[1] = KERN_DOMAINNAME;
     77 	sz = SCARG(uap,len);
     78 	return (old_sysctl(&name[0], 2, SCARG(uap, domainname), &sz, 0, 0, l));
     79 }
     80 
     81 
     82 /* ARGSUSED */
     83 int
     84 compat_09_sys_setdomainname(struct lwp *l,
     85     const struct compat_09_sys_setdomainname_args *uap, register_t *retval)
     86 {
     87 	/* {
     88 		syscallarg(char *) domainname;
     89 		syscallarg(int) len;
     90 	} */
     91 	int name[2];
     92 
     93 	name[0] = CTL_KERN;
     94 	name[1] = KERN_DOMAINNAME;
     95 	return (old_sysctl(&name[0], 2, 0, 0, SCARG(uap, domainname),
     96 			   SCARG(uap, len), l));
     97 }
     98 
     99 struct outsname {
    100 	char	sysname[32];
    101 	char	nodename[32];
    102 	char	release[32];
    103 	char	version[32];
    104 	char	machine[32];
    105 };
    106 
    107 /* ARGSUSED */
    108 int
    109 compat_09_sys_uname(struct lwp *l,
    110     const struct compat_09_sys_uname_args *uap, register_t *retval)
    111 {
    112 	/* {
    113 		syscallarg(struct outsname *) name;
    114 	} */
    115 	struct outsname outsname;
    116 	const char *cp;
    117 	char *dp, *ep;
    118 
    119 	strncpy(outsname.sysname, ostype, sizeof(outsname.sysname));
    120 	strncpy(outsname.nodename, hostname, sizeof(outsname.nodename));
    121 	strncpy(outsname.release, osrelease, sizeof(outsname.release));
    122 	dp = outsname.version;
    123 	ep = &outsname.version[sizeof(outsname.version) - 1];
    124 	for (cp = version; *cp && *cp != '('; cp++)
    125 		;
    126 	for (cp++; *cp && *cp != ')' && dp < ep; cp++)
    127 		*dp++ = *cp;
    128 	for (; *cp && *cp != '#'; cp++)
    129 		;
    130 	for (; *cp && *cp != ':' && dp < ep; cp++)
    131 		*dp++ = *cp;
    132 	*dp = '\0';
    133 	strncpy(outsname.machine, MACHINE, sizeof(outsname.machine));
    134 	return (copyout((void *)&outsname, (void *)SCARG(uap, name),
    135 			sizeof(struct outsname)));
    136 }
    137 
    138 int
    139 kern_info_09_init(void)
    140 {
    141 
    142 	return syscall_establish(NULL, kern_info_09_syscalls);
    143 }
    144 
    145 int
    146 kern_info_09_fini(void)
    147 {
    148 
    149 	return syscall_disestablish(NULL, kern_info_09_syscalls);
    150 }
    151