initial import of NetBSD tree

1 files changed, 228 insertions, 0 deletions

diff --git a/sys/compat/common/kern_info_43.c b/sys/compat/common/kern_info_43.c
new file mode 100644
index 00000000000..c9281661a45
--- /dev/null
+++ b/sys/compat/common/kern_info_43.c
@@ -0,0 +1,228 @@
+/*	$NetBSD: kern_info_43.c,v 1.3 1995/10/07 06:26:24 mycroft Exp $	*/
+
+/*
+ * Copyright (c) 1982, 1986, 1991, 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.
+ *
+ *	@(#)subr_xxx.c	8.1 (Berkeley) 6/10/93
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/filedesc.h>
+#include <sys/kernel.h>
+#include <sys/vnode.h>
+#include <sys/proc.h>
+#include <sys/file.h>
+#include <sys/socket.h>
+#include <sys/socketvar.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/fcntl.h>
+#include <sys/malloc.h>
+#include <sys/syslog.h>
+#include <sys/unistd.h>
+#include <sys/resourcevar.h>
+#include <vm/vm.h>
+#include <sys/sysctl.h>
+
+#include <sys/mount.h>
+#include <sys/syscallargs.h>
+
+int
+compat_43_sys_getdtablesize(p, v, retval)
+	struct proc *p;
+	void *v;
+	register_t *retval;
+{
+
+	*retval = min((int)p->p_rlimit[RLIMIT_NOFILE].rlim_cur, maxfiles);
+	return (0);
+}
+
+
+/* ARGSUSED */
+int
+compat_43_sys_gethostid(p, v, retval)
+	struct proc *p;
+	void *v;
+	register_t *retval;
+{
+
+	*(int32_t *)retval = hostid;
+	return (0);
+}
+
+
+/*ARGSUSED*/
+int
+compat_43_sys_gethostname(p, v, retval)
+	struct proc *p;
+	void *v;
+	register_t *retval;
+{
+	struct compat_43_sys_gethostname_args /* {
+		syscallarg(char *) hostname;
+		syscallarg(u_int) len;
+	} */ *uap = v;
+	int name;
+
+	name = KERN_HOSTNAME;
+	return (kern_sysctl(&name, 1, SCARG(uap, hostname), &SCARG(uap, len),
+	    0, 0));
+}
+
+#define	KINFO_PROC		(0<<8)
+#define	KINFO_RT		(1<<8)
+#define	KINFO_VNODE		(2<<8)
+#define	KINFO_FILE		(3<<8)
+#define	KINFO_METER		(4<<8)
+#define	KINFO_LOADAVG		(5<<8)
+#define	KINFO_CLOCKRATE		(6<<8)
+
+int
+compat_43_sys_getkerninfo(p, v, retval)
+	struct proc *p;
+	void *v;
+	register_t *retval;
+{
+	register struct compat_43_sys_getkerninfo_args /* {
+		syscallarg(int) op;
+		syscallarg(char *) where;
+		syscallarg(int *) size;
+		syscallarg(int) arg;
+	} */ *uap = v;
+	int error, name[5];
+	size_t size;
+
+	if (SCARG(uap, size) && (error = copyin((caddr_t)SCARG(uap, size),
+	    (caddr_t)&size, sizeof(size))))
+		return (error);
+
+	switch (SCARG(uap, op) & 0xff00) {
+
+	case KINFO_RT:
+		name[0] = PF_ROUTE;
+		name[1] = 0;
+		name[2] = (SCARG(uap, op) & 0xff0000) >> 16;
+		name[3] = SCARG(uap, op) & 0xff;
+		name[4] = SCARG(uap, arg);
+		error =
+		    net_sysctl(name, 5, SCARG(uap, where), &size, NULL, 0, p);
+		break;
+
+	case KINFO_VNODE:
+		name[0] = KERN_VNODE;
+		error =
+		    kern_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p);
+		break;
+
+	case KINFO_PROC:
+		name[0] = KERN_PROC;
+		name[1] = SCARG(uap, op) & 0xff;
+		name[2] = SCARG(uap, arg);
+		error =
+		    kern_sysctl(name, 3, SCARG(uap, where), &size, NULL, 0, p);
+		break;
+
+	case KINFO_FILE:
+		name[0] = KERN_FILE;
+		error =
+		    kern_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p);
+		break;
+
+	case KINFO_METER:
+		name[0] = VM_METER;
+		error =
+		    vm_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p);
+		break;
+
+	case KINFO_LOADAVG:
+		name[0] = VM_LOADAVG;
+		error =
+		    vm_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p);
+		break;
+
+	case KINFO_CLOCKRATE:
+		name[0] = KERN_CLOCKRATE;
+		error =
+		    kern_sysctl(name, 1, SCARG(uap, where), &size, NULL, 0, p);
+		break;
+
+	default:
+		return (EOPNOTSUPP);
+	}
+	if (error)
+		return (error);
+	*retval = size;
+	if (SCARG(uap, size))
+		error = copyout((caddr_t)&size, (caddr_t)SCARG(uap, size),
+		    sizeof(size));
+	return (error);
+}
+
+
+/* ARGSUSED */
+int
+compat_43_sys_sethostid(p, v, retval)
+	struct proc *p;
+	void *v;
+	register_t *retval;
+{
+	struct compat_43_sys_sethostid_args /* {
+		syscallarg(int32_t) hostid;
+	} */ *uap = v;
+	int error;
+
+	if (error = suser(p->p_ucred, &p->p_acflag))
+		return (error);
+	hostid = SCARG(uap, hostid);
+	return (0);
+}
+
+
+/* ARGSUSED */
+int
+compat_43_sys_sethostname(p, v, retval)
+	struct proc *p;
+	void *v;
+	register_t *retval;
+{
+	struct compat_43_sys_sethostname_args *uap = v;
+	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, SCARG(uap, hostname),
+	    SCARG(uap, len)));
+}