1.\" $NetBSD: mount_puffs.8,v 1.3 2016/11/24 12:38:32 wiz Exp $ 2.\" 3.\" Copyright (c) 2010 Antti Kantee. All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.Dd November 23, 2016 27.Dt MOUNT_PUFFS 8 28.Os 29.Sh NAME 30.Nm mount_puffs 31.Nd helper utility for mounting puffs/refuse file systems 32.Sh SYNOPSIS 33.Nm 34.Op Fl o Ar options 35.Ar program Ns Op # Ns Ar source 36.Ar mount_point 37.Sh DESCRIPTION 38The 39.Nm 40utility simply executes the given 41.Ar program , 42allowing to mount 43.Xr puffs 4 44and 45.Xr refuse 3 46based file systems via 47.Ic mount -a 48or the 49.Xr fstab 5 50file. 51.Pp 52This command is usually only executed by 53.Xr mount 8 , 54as users can directly execute file servers to mount them. 55The 56.Ar program 57parameter is either the path to the file server or the file name of 58it. 59In the latter case the 60.Ar program 61is searched in the 62.Ev PATH 63variable. 64The 65.Ar source 66parameter, when specified, will be passed to the 67.Ar program 68as its first non-option argument, with 69.Ar mount_point 70being the second one. 71.Pp 72The options are as follows: 73.Bl -tag -width Ds 74.It Fl o 75Options are specified with a 76.Fl o 77flag followed by a comma separated string of options. 78They are passed to the 79.Ar program 80without any modifications except for 81.Cm getargs , 82which is typically used by 83.Ic mount -vv . 84When there is 85.Cm getargs 86in the list, 87.Nm 88discards all the other options and prints the kernel arguments for a 89.Xr puffs 4 90file system already mounted at 91.Ar mount_point . 92.El 93.Sh EXAMPLES 94Mount 95.Ic dmesgfs 96at 97.Pa /dmesg : 98.Dl # mount_puffs dmesgfs /dmesg 99.Pp 100Or in 101.Xr fstab 5 : 102.Bd -literal -offset indent -compact 103dmesgfs /dmesg puffs rw 104.Ed 105.Pp 106These are equivalent to: 107.Dl # dmesgfs /dmesg 108.Pp 109Mount 110.Pa /usr/bin/rot13fs 111for 112.Pa /home/foo 113at 114.Pa /mnt/rot13 115with option 116.Fl o Cm rdonly : 117.Dl # mount_puffs -o rdonly /usr/bin/rot13fs#/home/foo /mnt/rot13 118.Pp 119Or in 120.Xr fstab 5 : 121.Bd -literal -offset indent -compact 122/usr/bin/rot13fs#/home/foo /mnt/rot13 puffs rdonly 123.Ed 124.Pp 125These are equivalent to: 126.Dl # /usr/bin/rot13fs -o rdonly /home/foo /mnt/rot13 127.Sh SEE ALSO 128.Xr refuse 3 , 129.Xr puffs 4 , 130.Xr fusermount 8 , 131.Xr mount 8 132.Sh HISTORY 133The 134.Nm 135utility first appeared in 136.Nx 6.0 . 137