#!/bin/sh
# Copyright (C) 2006 Krzysztof Kozlowski
#   License: GNU General Public License version 2
#            http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# version 2 as published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
#
# Homepage: http://www.kozik.net.pl
#
# Last change: 18.11.2006
#
# Mounting usermount shares. Requirements (from Gentoo Portage):
#  - in kernel CONFIG_FUSE_FS (or module from sys-fs/fuse)
#  - sys-fs/fuse
#  - sys-fs/sshfs-fuse (for SSH mounting)
#  - net-fs/curlftpfs (for FTP mounting)
#
# See examples below
#


usage () {
	echo "Usage: $(basename $0) <server>"
	exit 127 
}

if [ $# -ne 1 ]; then
	usage
fi

echo -n "Loading fuse module..."
sudo modprobe fuse > /dev/null
if [ $? -ne 0 ]; then
  echo "
 *** ERROR *** Error loading fuse module. Make sure you have it or compile
 your kernel with fuse built-in."
else
  echo " OK"
fi

# check_prog prog_name
check_prog() {
  PROG=`which $1 2> /dev/null`
  if [ $? -ne 0 ]; then
    echo " *** ERROR *** Could not find needed program '$1'."
    exit 1
  fi
}

# Where mounted directories will be located:
MNT_TREE="/mnt/userfs"
# Options for sshfs (sshfs -h), eg.: "-o kernel_cache,idmap=user,allow_root"
SSHFS_OPTIONS="-o kernel_cache,idmap=user"
# Options for curlftpfs (man curlftpfs), eg.: "-o tcp_nodelay,transform_symlinks,utf8,connect_timeout=15"
CURLFTPFS_OPTIONS="-o transform_symlinks,connect_timeout=15"

if [ ! -d "${MNT_TREE}/${1}" ]; then
  echo "Directory ${MNT_TREE}/${1} does not exist!"
  echo
  usage
fi

case "$1" 
in
	#
	# Examples
	#
	# SSH example:
	# Usage: mount_userfs my_ssh_site
	#        will mount ssh_host (from .ssh/config file) in ${MNT_TREE}/my_ssh_site
	#my_ssh_site)
	#	sshfs ${1}: ${MNT_TREE}/${1} ${SSHFS_OPTIONS}
	#	;;
	#
	# FTP example:
	# Usage: mount_userfs my_ftp_site
	# Remember to put username and password in file .netrc.
	#my_ftp_site)
	#	curlftpfs ${CURLFTPFS_OPTIONS} my.ftp.site.com ${MNT_TREE}/${1}
	#	;;
	#
	# End - examples
	#
	*)
		usage
		;;
esac