NetBSD/sys/kern/kern_xxx.c

266 lines
6.0 KiB
C

/*
* Copyright (c) 1982, 1986, 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* from: @(#)kern_xxx.c 8.2 (Berkeley) 11/14/93
* $Id: kern_xxx.c,v 1.17 1994/05/20 07:24:58 cgd Exp $
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/reboot.h>
#include <vm/vm.h>
#include <sys/sysctl.h>
struct reboot_args {
int opt;
};
/* ARGSUSED */
int
reboot(p, uap, retval)
struct proc *p;
struct reboot_args *uap;
int *retval;
{
int error;
if (error = suser(p->p_ucred, &p->p_acflag))
return (error);
boot(uap->opt);
return (0);
}
#if defined(COMPAT_43) || defined(COMPAT_SUNOS)
struct ogethostname_args {
char *hostname;
u_int len;
};
/* ARGSUSED */
int
ogethostname(p, uap, retval)
struct proc *p;
struct ogethostname_args *uap;
int *retval;
{
int name;
name = KERN_HOSTNAME;
return (kern_sysctl(&name, 1, uap->hostname, &uap->len, 0, 0));
}
struct osethostname_args {
char *hostname;
u_int len;
};
/* ARGSUSED */
int
osethostname(p, uap, retval)
struct proc *p;
register struct osethostname_args *uap;
int *retval;
{
int name;
int error;
if (error = suser(p->p_ucred, &p->p_acflag))
return (error);
name = KERN_HOSTNAME;
return (kern_sysctl(&name, 1, 0, 0, uap->hostname, uap->len));
}
/* ARGSUSED */
int
ogethostid(p, uap, retval)
struct proc *p;
void *uap;
int *retval;
{
*(long *)retval = hostid;
return (0);
}
#endif /* COMPAT_43 || COMPAT_SUNOS */
#ifdef COMPAT_43
struct osethostid_args {
long hostid;
};
/* ARGSUSED */
int
osethostid(p, uap, retval)
struct proc *p;
struct osethostid_args *uap;
int *retval;
{
int error;
if (error = suser(p->p_ucred, &p->p_acflag))
return (error);
hostid = uap->hostid;
return (0);
}
int
oquota()
{
return (ENOSYS);
}
#endif /* COMPAT_43 */
#if defined(COMPAT_09) || defined(COMPAT_SUNOS) || defined(COMPAT_HPUX)
struct ogetdomainname_args {
char *domainname;
u_int len;
};
/* ARGSUSED */
int
ogetdomainname(p, uap, retval)
struct proc *p;
struct ogetdomainname_args *uap;
int *retval;
{
int name;
name = KERN_DOMAINNAME;
return (kern_sysctl(&name, 1, uap->domainname, &uap->len, 0, 0));
}
struct osetdomainname_args {
char *domainname;
u_int len;
};
/* ARGSUSED */
int
osetdomainname(p, uap, retval)
struct proc *p;
struct osetdomainname_args *uap;
int *retval;
{
int name;
int error;
if (error = suser(p->p_ucred, &p->p_acflag))
return (error);
name = KERN_DOMAINNAME;
return (kern_sysctl(&name, 1, 0, 0, uap->domainname, uap->len));
}
#endif /* COMPAT_09 || COMPAT_SUNOS || COMPAT_HPUX */
#ifdef COMPAT_09
struct outsname {
char sysname[32];
char nodename[32];
char release[32];
char version[32];
char machine[32];
};
struct ouname_args {
struct outsname *name;
};
/* ARGSUSED */
int
ouname(p, uap, retval)
struct proc *p;
struct ouname_args *uap;
int *retval;
{
struct outsname outsname;
char *cp, *dp, *ep;
extern char ostype[], osrelease[];
strncpy(outsname.sysname, ostype, sizeof(outsname.sysname));
strncpy(outsname.nodename, hostname, sizeof(outsname.nodename));
strncpy(outsname.release, osrelease, sizeof(outsname.release));
dp = outsname.version;
ep = &outsname.version[sizeof(outsname.version) - 1];
for (cp = version; *cp && *cp != '('; cp++)
;
for (cp++; *cp && *cp != ')' && dp < ep; cp++)
*dp++ = *cp;
for (; *cp && *cp != '#'; cp++)
;
for (; *cp && *cp != ':' && dp < ep; cp++)
*dp++ = *cp;
*dp = '\0';
strncpy(outsname.machine, MACHINE, sizeof(outsname.machine));
return (copyout((caddr_t)&outsname, (caddr_t)uap->name,
sizeof(struct outsname)));
}
#endif /* COMPAT_09 */
#ifdef SYSCALL_DEBUG
int scdebug = 1; /* XXX */
void
scdebug_call(p, code, narg, args)
struct proc *p;
int code, narg, *args;
{
int i;
if (!scdebug)
return;
printf("proc %d: syscall ", p->p_pid);
if (code < 0 || code >= nsysent) {
printf("OUT OF RANGE (%d)", code);
code = 0;
} else
printf("%d", code);
printf(" called: %s(", syscallnames[code]);
for (i = 0; i < narg; i++)
printf("0x%x, ", args[i]);
printf(")\n");
}
void
scdebug_ret(p, code, error, retval)
struct proc *p;
int code, error, retval;
{
if (!scdebug)
return;
printf("proc %d: syscall ", p->p_pid);
if (code < 0 || code >= nsysent) {
printf("OUT OF RANGE (%d)", code);
code = 0;
} else
printf("%d", code);
printf(" return: error = %d, retval = %d\n", error, retval);
}
#endif /* SYSCALL_DEBUG */