IMG/cpio/ventoy/hook/debian/udev_disk_hook.sh

   1 #!/ventoy/busybox/sh
   2 #************************************************************************************
   3 # Copyright (c) 2020, longpanda <admin@ventoy.net>
   4 #
   5 # This program is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU General Public License as
   7 # published by the Free Software Foundation; either version 3 of the
   8 # License, or (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful, but
  11 # WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, see <http://www.gnu.org/licenses/>.
  17 #
  18 #************************************************************************************
  19
  20 . /ventoy/hook/ventoy-hook-lib.sh
  21
  22 ventoy_os_install_dmsetup() {
  23
  24     vtlog "ventoy_os_install_dmsetup $1 ..."
  25
  26     vt_usb_disk=$1
  27
  28     # dump iso file location
  29     $VTOY_PATH/tool/vtoydm -i -f $VTOY_PATH/ventoy_image_map -d ${vt_usb_disk} > $VTOY_PATH/iso_file_list
  30
  31     # install dmsetup
  32     LINE=$($GREP ' dmsetup.*\.udeb'  $VTOY_PATH/iso_file_list)
  33     if [ $? -eq 0 ]; then
  34         install_udeb_from_line "$LINE" ${vt_usb_disk}
  35     fi
  36
  37     # install libdevmapper
  38     LINE=$($GREP ' libdevmapper.*\.udeb'  $VTOY_PATH/iso_file_list)
  39     if [ $? -eq 0 ]; then
  40         install_udeb_from_line "$LINE" ${vt_usb_disk}
  41     fi
  42
  43     # install md-modules
  44     LINE=$($GREP ' md-modules.*\.udeb'  $VTOY_PATH/iso_file_list)
  45     if [ $? -eq 0 ]; then
  46         install_udeb_from_line "$LINE" ${vt_usb_disk}
  47     fi
  48
  49     # insmod md-mod if needed
  50     if $GREP -q 'device-mapper' /proc/devices; then
  51         vtlog "device mapper module is loaded"
  52     else
  53         vtlog"device mapper module is NOT loaded, now load it..."
  54
  55         VER=$($BUSYBOX_PATH/uname -r)
  56         KO=$($FIND /lib/modules/$VER/kernel/drivers/md -name "dm-mod*")
  57         vtlog "KO=$KO"
  58
  59         insmod $KO
  60     fi
  61
  62     vtlog "dmsetup install finish, now check it..."
  63     if dmsetup info >> $VTLOG 2>&1; then
  64         vtlog "dmsetup work ok"
  65     else
  66         vtlog "dmsetup not work, now try to load eglibc ..."
  67
  68         # install eglibc (some ubuntu 32 bit version need it)
  69         LINE=$($GREP 'libc6-.*\.udeb'  $VTOY_PATH/iso_file_list)
  70         if [ $? -eq 0 ]; then
  71             install_udeb_from_line "$LINE" ${vt_usb_disk}
  72         fi
  73
  74         if dmsetup info >> $VTLOG 2>&1; then
  75             vtlog "dmsetup work ok after retry"
  76         else
  77             vtlog "dmsetup still not work after retry"
  78         fi
  79     fi
  80 }
  81
  82 if is_ventoy_hook_finished || not_ventoy_disk "${1:0:-1}"; then
  83     exit 0
  84 fi
  85
  86 dmsetup_path=$(ventoy_find_bin_path dmsetup)
  87 if [ -z "$dmsetup_path" ]; then
  88     ventoy_os_install_dmsetup "/dev/${1:0:-1}"
  89 fi
  90
  91 if ! $GREP -q 'device-mapper' /proc/devices; then
  92     ventoy_os_install_dmsetup "/dev/${1:0:-1}"
  93 fi
  94
  95 ventoy_udev_disk_common_hook $*
  96
  97 #
  98 # Some distro default only accept usb partitions as install medium.
  99 # So if ventoy is installed on a non-USB device, we just mount /cdrom here except
 100 # for these has boot=live or boot=casper parameter in cmdline
 101 #
 102 VT_BUS_USB=""
 103 if [ -n "$ID_BUS" ]; then
 104     if echo $ID_BUS | $GREP -q -i usb; then
 105         VT_BUS_USB="YES"
 106     fi
 107 else
 108     if $BUSYBOX_PATH/ls -l /sys/class/block/${1:0:-1} | $GREP -q -i usb; then
 109         VT_BUS_USB="YES"
 110     fi
 111 fi
 112
 113 if [ -n "$VT_BUS_USB" ]; then
 114     vtlog "$1 is USB device"
 115 else
 116     vtlog "$1 is NOT USB device (bus $ID_BUS)"
 117
 118     if $EGREP -q 'boot=|casper' /proc/cmdline; then
 119         vtlog "boot=, or casper, don't mount"
 120     else
 121         vtlog "No boot param, need to mount"
 122         $BUSYBOX_PATH/mkdir /cdrom
 123
 124         if [ -b $VTOY_DM_PATH ]; then
 125             vtlog "mount $VTOY_DM_PATH ..."
 126             $BUSYBOX_PATH/mount -t iso9660 $VTOY_DM_PATH  /cdrom
 127         else
 128             vtlog "mount /dev/$1 ..."
 129             $BUSYBOX_PATH/mount -t iso9660 /dev/$1  /cdrom
 130         fi
 131     fi
 132 fi
 133
 134
 135 # OK finish
 136 set_ventoy_hook_finish