#!/bin/sh
# SeTpartition user-friendly rewrite Fri Dec 15 13:17:40 CST 1995 pjv
# More updates for Slackware 3.5: Wed Apr 29 22:43:28 CDT 1998
# Updated for Slackware 7.x (new fdisk tags) Fri Sep 10 13:17:18 CDT 1999
TMP=/var/log/setup/tmp
T_PX="`cat $TMP/SeTT_PX`"
if [ ! -d $TMP ]; then
  mkdir -p $TMP
fi
REDIR=/dev/tty4
NDIR=/dev/null
rm -f $TMP/SeTDOS
touch $TMP/SeTDOS

crunch () { # remove extra whitespace
 read STRING;
 echo $STRING
}

# get_part_size( dev ) - Return the size in K, M, G, T, or P of the named partition.
get_part_size() {
  numfmt --to=iec $(blockdev --getsize64 $1)
}

ntfs_security() {
  rm -f $TMP/ntfs_security
  dialog --backtitle "Setting permissions on NTFS partition $DOS_PART" \
  --title "SET SECURITY FOR NTFS PARTITION $DOS_PART" \
  --default-item "fmask=177,dmask=077" \
  --menu "Because users could go snooping through (or destroy, depending on \
the settings) your Windows partition, you should choose how much access would you \
like your non-root users to have to partition $DOS_PART. The access level can \
range from no access at all, to read-only for everyone, to read-write access \
for every user on the machine. A reasonable default (read-write for root only) \
is chosen, but you may set this any way that you like." \
16 77 4 \
"fmask=177,dmask=077" "Root has read/write access, users have no access (ntfs-3g)" \
"fmask=333,dmask=222" "Everyone has read only access (built-in kernel ntfs driver)" \
"fmask=133,dmask=022" "Everyone has read access, but only root can write (ntfs-3g)" \
"fmask=111,dmask=000" "All users can read/write to any file (ntfs-3g)" \
2> $TMP/ntfs_security
  if [ ! $? = 0 ]; then
    rm -f $TMP/ntfs_security $TMP/mount-point $TMP/SeTDOS
    echo 1
  fi
}

fat_security() {
  rm -f $TMP/fat_security
  dialog --backtitle "Setting permissions on FAT partition $DOS_PART" \
  --title "SET SECURITY FOR FAT PARTITION $DOS_PART" \
  --default-item "fmask=177,dmask=077" \
  --menu "Because users could go snooping through (or destroy, depending on \
the settings) your Windows partition, you should choose how much access would you \
like your non-root users to have to partition $DOS_PART. The access level can \
range from no access at all, to read-only for everyone, to read-write access \
for every user on the machine. A reasonable default (read-write for root only) \
is chosen, but you may set this any way that you like." \
18 77 4 \
"fmask=177,dmask=077" "Root has read/write access, users have no access" \
"fmask=333,dmask=222" "Everyone has read only access" \
"fmask=133,dmask=022" "Everyone has read access, but only root can write" \
"fmask=111,dmask=000" "All users can read/write to any file" \
2> $TMP/fat_security
  if [ ! $? = 0 ]; then
    rm -f $TMP/fat_security $TMP/mount-point $TMP/SeTDOS
    echo 1
  fi
}

# Since the USB installers (both usbboot.img and the ones created using
# usbimg2disk.sh) present bogus FAT/NTFS partitions, we need a way to
# filter these from the partition scan. To do this, we'll set a variable
# $BANHAMMER that contains the name of the device the stick was found on.
# First, we'll set that to contain some random nonsense that will never
# be an actual device since reverse grepping for "" won't work.
BANHAMMER="0xFE11C1A"
# Look for the usbboot.img stick:
if [ -L /dev/disk/by-label/USBSLACK ]; then
  BANHAMMER="$(readlink -f /dev/disk/by-label/USBSLACK)"
fi
# Look for the usbimg2disk.sh stick:
if [ -L /dev/disk/by-label/USBSLACKINS ]; then
  BANHAMMER="$(readlink -f /dev/disk/by-label/USBSLACKINS | cut -b 1-8)"
fi
# Suggested new GPT partition type:  Microsoft basic data
# More research needed...  could be FAT32, NTFS, or EXFAT
DOSLIST="$(probe -l 2> /dev/null | grep -E "DOS|Win(95 F|98 F)|HPFS|W95 F|FAT(12|16)" | grep -Ev "Ext('d|end)" | grep -v "$BANHAMMER" | sort)"
if [ "$DOSLIST" = "" ]; then # no FAT or NTFS partitions
 exit
fi
dialog --backtitle "Setting up non-Linux partitions." \
--title "FAT or NTFS PARTITIONS DETECTED" \
--yesno "Partitions of type FAT or NTFS (commonly used by DOS and \
Windows) have been found on your \
system.  Would you like to add these partitions to your /etc/fstab \
so that these partitions are visible from Linux?" \
8 70
if [ ! $? = 0 ]; then
 exit
fi
while [ 0 ]; do # main partition selection loop
 rm -f $TMP/SeTSKIP
 echo "true" > $TMP/SeTSKIP
 cat << EOF > $TMP/tempscript
dialog --backtitle "Selecting non-Linux partitions." \\
--title "SELECT PARTITION TO ADD TO /etc/fstab" \\
--ok-label Select --cancel-label Continue \\
--menu "In order to make these partitions visible from Linux, we \\
need to add them to your /etc/fstab. Please pick a partition to \\
add to /etc/fstab, or select '---' to continue with the installation \\
process." \\
15 70 5 \\
EOF
 echo "$DOSLIST" | while read PARTITION ; do
  NAME=`echo $PARTITION | crunch | cut -f 1 -d ' '`
  SIZE=`get_part_size $NAME`
  if echo $PARTITION | grep Win9 1> $NDIR 2> $NDIR ; then
   TYPE="FAT32"
  elif echo $PARTITION | grep "W95 F" 1> $NDIR 2> $NDIR ; then
   TYPE="FAT32"
  elif echo $PARTITION | grep NTFS 1> $NDIR 2> $NDIR ; then
   TYPE="NTFS"
  elif echo $PARTITION | grep FAT 1> $NDIR 2> $NDIR ; then
   TYPE="FAT16"
  fi
  if cat $TMP/SeTDOS | grep $NAME 1> $NDIR 2> $NDIR ; then
   ON=`cat $TMP/SeTDOS | grep $NAME | crunch | cut -f 2 -d ' '`
   echo "\"(IN USE)\" \"$NAME on $ON $TYPE ${SIZE}\" \\" >> $TMP/tempscript
  else
   echo "\"$NAME\" \"$TYPE ${SIZE}\" \\" >> $TMP/tempscript
   echo "false" > $TMP/SeTSKIP
  fi
 done
 echo "\"---\" \"(done, continue with setup)\" \\" >> $TMP/tempscript
 echo "\"---\" \"(done, continue with setup)\" \\" >> $TMP/tempscript
 echo "\"---\" \"(done, continue with setup)\" \\" >> $TMP/tempscript
 echo "\"---\" \"(done, continue with setup)\" \\" >> $TMP/tempscript
 echo "\"---\" \"(done, continue with setup)\" \\" >> $TMP/tempscript
 echo "2> $TMP/return" >> $TMP/tempscript
 if [ "`cat $TMP/SeTSKIP`" = "true" ]; then
  break
 fi
 . $TMP/tempscript
 if [ ! $? = 0 ]; then
  rm $TMP/tempscript
  exit 255 # user abort
 fi
 DOS_PART="`cat $TMP/return`"
 rm -f $TMP/tempscript
 if [ "$DOS_PART" = "---" ]; then
  break
 elif [ "$DOS_PART" = "(IN USE)" ]; then
  continue
 fi
 if echo "$DOSLIST" | grep -w $DOS_PART | grep NTFS 1> $NDIR 2> $NDIR ; then
   ntfs_security
   FS_UMASK="$(cat $TMP/ntfs_security)"
   if [ "$FS_UMASK" = "1" ]; then
     exit 1
   else
     if [ "$FS_UMASK" = "fmask=333,dmask=222" ]; then
       FS_TYPE=ntfs
     else
       FS_TYPE=ntfs-3g
     fi
   fi
 else
   FS_TYPE=vfat
   fat_security
   FS_UMASK="$(cat $TMP/fat_security)"
 fi
 dialog --backtitle "Selecting a location to mount $DOS_PART." \
 --title "PICK MOUNT POINT FOR $DOS_PART" \
 --inputbox "Now this partition must be mounted somewhere in your \
 directory tree. Please enter the directory under which \
 you would like to put it. For instance, you might want to \
 enter /fat-c or /fat-d or something similar. \
 NOTE: This \
 partition won't actually be mounted until you reboot. \
 Where would you like to mount $DOS_PART?" \
 13 65 2> $TMP/mount-point
 if [ ! $? = 0 ]; then
  rm -f $TMP/tempmsg $TMP/mount-point $TMP/SeTDOS
  exit
 fi
 NEW_DIR="`cat $TMP/mount-point`"
 rm -f $TMP/mount-point
 # If this was left blank or is '/', drop back to the first menu and start over.
 if [ "$NEW_DIR" = "" -o "$NEW_DIR" = "/" ]; then
   continue
 fi
 if [ ! "`echo $NEW_DIR | cut -b1`" = "/" ]; then
  NEW_DIR="/$NEW_DIR"
 fi
 mkdir -p ${T_PX}$NEW_DIR
 chmod 755 ${T_PX}$NEW_DIR
 if echo "$DOSLIST" | grep $DOS_PART | grep NTFS 1> $NDIR 2> $NDIR ; then
  printf "%-16s %-16s %-11s %-16s %-3s %s\n" "$DOS_PART" "$NEW_DIR" "$FS_TYPE" "$FS_UMASK" "1" "0" >> $TMP/SeTDOS
 else
  printf "%-16s %-16s %-11s %-16s %-3s %s\n" "$DOS_PART" "$NEW_DIR" "$FS_TYPE" "$FS_UMASK" "1" "0" >> $TMP/SeTDOS
 fi
done # partition adding loop
rm -f $TMP/SeTSKIP
cat << EOF > $TMP/tempmsg

Adding this information to your /etc/fstab:

EOF
cat $TMP/SeTDOS >> $TMP/tempmsg
dialog --backtitle "Finished setting up non-Linux partitions." \
--title "DONE ADDING FAT or NTFS PARTITIONS" \
--exit-label OK \
--textbox $TMP/tempmsg 15 72