#!/bin/bash
#----------------------------------------------------------------------------
# /var/install/bin/samba-mount-predefined-smbfs - mount predefined samba mounts
#
# Copyright (c) 2002-2013 Thomas Bork, tom(at)eisfair(dot)net
#
# Creation   : 2005-06-05 tb
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------
. /var/install/include/eislib

lsmodbin='/sbin/lsmod'
modprobebin='/sbin/modprobe'
mountbin='/bin/mount'
umountbin='/bin/umount'
do_mount='no'
row='4'
a=''
tty=`tty`
fstabsmbfsfile='/etc/fstab-smbfs'
oldifs="$IFS"

do_loadsmbfs ()
{
    if [ -z "`"$lsmodbin" | grep ^$vfstype`" ]
    then
        "$modprobebin" $vfstype >/dev/null 2>&1
        if [ $? -eq 0 ]
        then
            mecho --info "$vfstype loaded"
        else
            mecho --error "cannot load $vfstype, exiting..."
            exit 1
        fi
    else
        mecho --info "$vfstype already loaded"
    fi
}

do_loadiocharset ()
{
    if [ -z "`"$lsmodbin" | grep ^nls_$iocharset`" ]
    then
        "$modprobebin" nls_$iocharset >/dev/null 2>&1
        if [ $? -eq 0 ]
        then
            mecho --info "nls_$iocharset loaded"
        else
            mecho --error "cannot load nls_$iocharset"
        fi
    else
        mecho --info "nls_$iocharset already loaded"
    fi
}

do_loadcodepage ()
{
    if [ -z "`"$lsmodbin" | grep ^nls_$codepage`" ]
    then
        "$modprobebin" nls_$codepage >/dev/null 2>&1
        if [ $? -eq 0 ]
        then
            mecho --info "nls_$codepage loaded"
        else
            mecho --error "cannot load nls_$codepage"
        fi
    else
        mecho --info "nls_$codepage already loaded"
    fi
}

do_read_vars ()
{
    IFS=':'
    set -- `grep -n '//' "$fstabsmbfsfile" | grep "$a://" | cut -d":" -f2-`
    service="$1"
    mountpoint="$2"
    mounted='no'
    mountedcolor='-std'
    options=`echo "$3" | sed 's#^-o ##g'`
    active="$4"
    vfstype="$5"
    IFS=','
    guest='no'

    for o in $options
    do
        case "$o" in
        "username="*)
            username="`echo $o | cut -d"=" -f2`"
            ;;
        "guest")
            guest='yes'
            ;;
        "rw")
            rwmode='rw'
            ;;
        "ro")
            rwmode='ro'
            ;;
        "uid="*)
            uid="`echo $o | cut -d'=' -f2`"
            ;;
        "gid="*)
            gid="`echo $o | cut -d'=' -f2`"
            ;;
        "fmask="*|"file_mode="*)
            fmask="`echo $o | cut -d'=' -f2`"
            ;;
        "dmask="*|"dir_mode="*)
            dmask="`echo $o | cut -d'=' -f2`"
            ;;
        "iocharset="*)
            iocharset="`echo $o | cut -d'=' -f2`"
            ;;
        "codepage="*)
            codepage="`echo $o | cut -d'=' -f2`"
            ;;
        esac
    done

    IFS="$oldifs"
    if grep -q "^$service $mountpoint " /proc/mounts
    then
        mounted='yes'
        mountedcolor='-warn'
    fi

    clrhome
    mecho --info "Mount definition information"
    echo
    echo "    mount no       : $a"
    echo "    active         : $active"
    echo "    vfstype        : $vfstype"
    echo "    service        : $service"
    echo "    mountpoint     : $mountpoint"
    echo "    guest          : $guest"
    echo "    username       : $username"
    echo "    rwmode         : $rwmode"
    echo "    uid            : $uid"
    echo "    gid            : $gid"
    echo "    fmask          : $fmask"
    echo "    dmask          : $dmask"
    echo "    iocharset      : $iocharset"
    echo "    codepage       : $codepage"
    #echo "    options        : $options"
    mecho --n -std "    mounted        : "
    mecho "$mountedcolor" "$mounted"
    echo
}

clrhome
mecho --info "Mount predefined samba mounts"
echo

techo begin 4 4 23 20 9 8
techo row -info '' -info 'no' -info 'service' -info 'mountpoint' -info 'active' -info 'mounted'
n=0

while read line
do
    n=`expr $n + 1`
    IFS=':'
    set -- $line
    service="$1"
    mountpoint="$2"
    mounted='no'
    mountedcolor='-std'
    options=`echo "$3" | sed 's#^-o ##g'`
    active="$4"
    vfstype="$5"
    IFS="$oldifs"

    if grep -q "^$service $mountpoint " /proc/mounts
    then
        mounted='yes'
        mountedcolor='-warn'
    fi

    techo row '' "$n." "$service" "$mountpoint" "$active" "$mountedcolor" "$mounted"
    row=`expr $row + 1`
    if [ $row = 21 ]
    then
        echo
        a=`/var/install/bin/ask "Which no do you want to select" '' "1-$n" "^$=Continue" "0=Return" <$tty`
        if [ "$a" = "0" ]
        then
            techo end
            exit 0
        fi

        if [ -n "$a" ]
        then
            break
        fi

        clrhome
        mecho --info "Mount predefined samba mounts"
        echo

        techo begin 4 4 23 20 9 8
        techo row -info '' -info 'no' -info 'service' -info 'mountpoint' -info 'active' -info 'mounted'
        row=3
    fi
done <"$fstabsmbfsfile"
techo end

if [ -z "$a" ]
then
    echo
    a=`/var/install/bin/ask "Which no do you want to select" "" "1-$n" "^$=Return" "0=Exit"`
fi

if [ "$a" = "0" ]
then
    exit 127
fi

if [ -z "$a" ]
then
    exit 0
fi

do_read_vars
if /var/install/bin/ask "Do you want to $vfstype mount service $service to mountpoint $mountpoint" "y"
then
    if [ "`ls $mountpoint | wc -l`" -gt "0" ]
    then
        mecho --warn "mountpoint is not empty!"
        if grep -q "$mountpoint " /proc/mounts
        then
            x=`grep "$mountpoint " /proc/mounts | cut -d" " -f1`
            y=`grep "$mountpoint " /proc/mounts | cut -d" " -f2`
            z=`grep "$mountpoint " /proc/mounts | cut -d" " -f3`

            if [ "$y" = "$mountpoint" ]
            then
                mecho --warn "There is already $z service "$x" mounted on mountpoint "$y"!"
                if /var/install/bin/ask "Do you want to dismount $z mounted service $x on mountpoint $y" "n"
                then
                    /var/install/bin/samba-dismount-smbfs "$mountpoint"
                    if [ $? -eq 0 ]
                    then
                        do_mount='yes'
                    else
                        exit 1
                    fi
                else
                    exit 1
                fi
            fi
        fi
    else
        do_mount='yes'
    fi

    if [ "$do_mount" = "yes" ]
    then
        do_loadsmbfs
        if [ -n "$iocharset" ]
        then
            do_loadiocharset
        fi

        if [ -n "$codepage" -a "$vfstype" = "smbfs" ]
        then
            do_loadcodepage
        fi

        "$mountbin" -t "$vfstype" "$service" "$mountpoint" -o $options
        if [ $? -eq 0 ]
        then
            mecho --info "$vfstype mounted service $service on mountpoint $mountpoint."
        else
            mecho --error "Cannot mount $vfstype service $service on mountpoint $mountpoint!"
        fi
    fi
fi
anykey