IMG/cpio/sbin/init

   1 #!/ventoy/busybox/ash
   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 ####################################################################
  21 #                                                                  #
  22 # Step 1 : extract busybox & set busybox enviroment                #
  23 #                                                                  #
  24 ####################################################################
  25
  26 export VTOY_ORG_PATH=$PATH
  27 export VTOY_PATH=/ventoy
  28 export BUSYBOX_PATH=$VTOY_PATH/busybox
  29 export VTLOG=$VTOY_PATH/log
  30 export FIND=$BUSYBOX_PATH/find
  31 export GREP=$BUSYBOX_PATH/grep
  32 export EGREP=$BUSYBOX_PATH/egrep
  33 export CAT=$BUSYBOX_PATH/cat
  34 export AWK=$BUSYBOX_PATH/awk
  35 export SED=$BUSYBOX_PATH/sed
  36 export SLEEP=$BUSYBOX_PATH/sleep
  37 export HEAD=$BUSYBOX_PATH/head
  38
  39 if [ -e $BUSYBOX_PATH/64h ]; then
  40     $BUSYBOX_PATH/xzminidec32 < $BUSYBOX_PATH/busybox32.xz > $BUSYBOX_PATH/busybox
  41     $BUSYBOX_PATH/vtchmod32 $BUSYBOX_PATH/busybox
  42 else
  43     $BUSYBOX_PATH/xzminidec64 < $BUSYBOX_PATH/busybox64.xz > $BUSYBOX_PATH/busybox
  44     $BUSYBOX_PATH/vtchmod64 $BUSYBOX_PATH/busybox
  45 fi
  46
  47 $BUSYBOX_PATH/busybox --install $BUSYBOX_PATH
  48
  49 export PATH=$BUSYBOX_PATH/:$VTOY_PATH/tool
  50
  51 export VTOY_BREAK_LEVEL=$(hexdump -n 1 -s 449 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
  52 export VTOY_DEBUG_LEVEL=$(hexdump -n 1 -s 450 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
  53
  54 #Fixme: busybox shell output redirect seems to have some bug in rhel5
  55 if uname -a | grep -q el5; then
  56     VTOY_REDT_BUG=YES
  57 fi
  58
  59 if [ -z "$VTOY_REDT_BUG" ]; then
  60     echo "============== VENTOY =================" >>$VTLOG
  61 fi
  62
  63 cd $VTOY_PATH
  64 xz -d ventoy_chain.sh.xz
  65 xz -d ventoy_loop.sh.xz
  66
  67 if [ -n "$VTOY_REDT_BUG" ]; then
  68     xz -d -c hook.cpio.xz | cpio -idm
  69     xz -d -c tool.cpio.xz | cpio -idm
  70     xz -d -c loop.cpio.xz | cpio -idm
  71 else
  72     xz -d -c hook.cpio.xz | cpio -idm 2>>$VTLOG
  73     xz -d -c tool.cpio.xz | cpio -idm 2>>$VTLOG
  74     xz -d -c loop.cpio.xz | cpio -idm 2>>$VTLOG
  75 fi
  76
  77 if [ -e $BUSYBOX_PATH/64h ]; then
  78     echo "Use busybox32 toolkit ..." >>$VTLOG
  79     ln -s $BUSYBOX_PATH/xzminidec32 $BUSYBOX_PATH/xzminidec
  80     ln -s $VTOY_PATH/tool/dmsetup32 $VTOY_PATH/tool/dmsetup
  81 else
  82     echo "Use busybox64 toolkit ..." >>$VTLOG
  83     ln -s $BUSYBOX_PATH/xzminidec64 $BUSYBOX_PATH/xzminidec
  84     ln -s $VTOY_PATH/tool/dmsetup64 $VTOY_PATH/tool/dmsetup
  85 fi
  86
  87 rm -f *.xz
  88 cd /
  89
  90 ####################################################################
  91 #                                                                  #
  92 # Step 2 : Hand over to ventoy init                                #
  93 #                                                                  #
  94 ####################################################################
  95 exec $BUSYBOX_PATH/sh $VTOY_PATH/init