Obtained from: copied fro mount_kernfs

This is copied from the mount_kernfs code..
if it doesn't work there is a working binary in ~julian

3 files changed, 211 insertions, 0 deletions

diff --git a/sbin/mount_devfs/Makefile b/sbin/mount_devfs/Makefile
new file mode 100644
index 0000000..317f9fd
--- /dev/null
+++ b/sbin/mount_devfs/Makefile
@@ -0,0 +1,11 @@
+#	@(#)Makefile	8.2 (Berkeley) 3/27/94
+
+PROG=	mount_devfs
+SRCS=	mount_devfs.c getmntopts.c
+MAN8=	mount_devfs.8
+
+MOUNT=	${.CURDIR}/../mount
+CFLAGS+= -I${MOUNT}
+.PATH:	${MOUNT}
+
+.include <bsd.prog.mk>
diff --git a/sbin/mount_devfs/mount_devfs.8 b/sbin/mount_devfs/mount_devfs.8
new file mode 100644
index 0000000..8c4d63a
--- /dev/null
+++ b/sbin/mount_devfs/mount_devfs.8
@@ -0,0 +1,90 @@
+.\"
+.\" Copyright (c) 1992, 1993, 1994
+.\"	The Regents of the University of California.  All rights reserved.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software donated to Berkeley by
+.\" Jan-Simon Pendry.
+.\"
+.\" 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.
+.\"
+.\"	@(#)mount_devfs.8	8.2 (Berkeley) 3/27/94
+.\"
+.\"
+.Dd March 27, 1994
+.Dt MOUNT_DEFVS 8
+.Os FreeBSD 2.0
+.Sh NAME
+.Nm mount_devfs
+.Nd mount the /devs file system
+.Sh SYNOPSIS
+.Nm mount_devfs
+.Op Fl o Ar options
+.Ar "devfs"
+.Ar mount_point
+.Sh DESCRIPTION
+The
+.Nm mount_devfs
+command attaches an instance of the kernel's device
+namespace to the global filesystem namespace.
+The conventional mount point is
+.Pa /devs .
+This command is normally executed by
+.Xr mount 8
+at boot time.
+.Pp
+The filesystem includes several directories, links, symbolic links and devices,
+some of which can also be written.
+In a chroot'ed environment,
+.Nm
+can be used to create a new
+.Pa /devs
+mount point.
+.Pp
+The options are as follows:
+.Bl -tag -width indent
+.It Fl o
+Options are specified with a
+.Fl o
+flag followed by a comma separated string of options.
+See the
+.Xr mount 8
+man page for possible options and their meanings.
+.El
+.Sh SEE ALSO
+.Xr mount 2 ,
+.Xr unmount 2 ,
+.Xr fstab 5 ,
+.Xr mount 8
+.Sh CAVEATS
+This filesystem may not be NFS-exported.
+.Sh HISTORY
+The
+.Nm mount_devfs
+utility first appeared in FreeBSD 2.0
diff --git a/sbin/mount_devfs/mount_devfs.c b/sbin/mount_devfs/mount_devfs.c
new file mode 100644
index 0000000..17bd50d
--- /dev/null
+++ b/sbin/mount_devfs/mount_devfs.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 1990, 1992 Jan-Simon Pendry
+ * Copyright (c) 1992, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jan-Simon Pendry.
+ *
+ * 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.
+ */
+
+#ifndef lint
+char copyright[] =
+"@(#) Copyright (c) 1992, 1993, 1994\n\
+	The Regents of the University of California.  All rights reserved.\n";
+#endif /* not lint */
+
+#ifndef lint
+static char sccsid[] = "@(#)mount_devfs.c	8.2 (Berkeley) 3/27/94";
+#endif /* not lint */
+
+#include <sys/param.h>
+#include <sys/mount.h>
+
+#include <err.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "mntopts.h"
+
+struct mntopt mopts[] = {
+	MOPT_STDOPTS,
+	{ NULL }
+};
+
+void	usage __P((void));
+
+int
+main(argc, argv)
+	int argc;
+	char *argv[];
+{
+	int ch, mntflags;
+	struct vfsconf *vfc;
+
+	mntflags = 0;
+	while ((ch = getopt(argc, argv, "o:")) != EOF)
+		switch (ch) {
+		case 'o':
+			getmntopts(optarg, mopts, &mntflags, 0);
+			break;
+		case '?':
+		default:
+			usage();
+		}
+	argc -= optind;
+	argv += optind;
+
+	if (argc != 2)
+		usage();
+
+	vfc = getvfsbyname("devfs");
+	if(!vfc && vfsisloadable("devfs")) {
+		if(vfsload("devfs")) {
+			err(1, "vfsload(devfs)");
+		}
+		endvfsent();
+		vfc = getvfsbyname("devfs");
+	}
+
+	if (mount(vfc ? vfc->vfc_index : MOUNT_DEVFS, argv[1], mntflags, NULL))
+		err(1, NULL);
+	exit(0);
+}
+
+void
+usage()
+{
+	(void)fprintf(stderr,
+		"usage: mount_devfs [-o options] devfs mount_point\n");
+	exit(1);
+}