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/32h ]; then
  40     if [ -e $BUSYBOX_PATH/64h ]; then
  41         #this is arm64
  42         $BUSYBOX_PATH/xzminidecaa64 < $BUSYBOX_PATH/busyboxaa64.xz > $BUSYBOX_PATH/busybox
  43         $BUSYBOX_PATH/vtchmodaa64 $BUSYBOX_PATH/busybox
  44     else
  45         #this is x86_64
  46         $BUSYBOX_PATH/xzminidec64 < $BUSYBOX_PATH/busybox64.xz > $BUSYBOX_PATH/busybox
  47         if [ -s $BUSYBOX_PATH/busybox ]; then
  48             $BUSYBOX_PATH/vtchmod64 $BUSYBOX_PATH/busybox
  49         else
  50             $BUSYBOX_PATH/xzminidec64_uclibc < $BUSYBOX_PATH/busybox64.xz > $BUSYBOX_PATH/busybox
  51             $BUSYBOX_PATH/vtchmod64_uclibc $BUSYBOX_PATH/busybox
  52         fi
  53     fi
  54 else
  55     $BUSYBOX_PATH/xzminidec32 < $BUSYBOX_PATH/busybox32.xz > $BUSYBOX_PATH/busybox
  56     $BUSYBOX_PATH/vtchmod32 $BUSYBOX_PATH/busybox
  57 fi
  58
  59 if [ -e $BUSYBOX_PATH/busybox ]; then
  60     $BUSYBOX_PATH/busybox --install $BUSYBOX_PATH
  61 else
  62     $BUSYBOX_PATH/tmpxz -d $BUSYBOX_PATH/busybox32.xz
  63     $BUSYBOX_PATH/busybox32 --install $BUSYBOX_PATH
  64 fi
  65
  66 export PATH=$BUSYBOX_PATH/:$VTOY_PATH/tool
  67
  68 export VTOY_BREAK_LEVEL=$(hexdump -n 1 -s 449 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
  69 export VTOY_DEBUG_LEVEL=$(hexdump -n 1 -s 450 -e '1/1 "%02x"' $VTOY_PATH/ventoy_os_param)
  70
  71 #Fixme: busybox shell output redirect seems to have some bug in rhel5
  72 if uname -a | grep -q el5; then
  73     VTOY_REDT_BUG=YES
  74 fi
  75
  76 if [ -z "$VTOY_REDT_BUG" ]; then
  77     echo "============== VENTOY =================" >>$VTLOG
  78 fi
  79
  80 cd $VTOY_PATH
  81 xz -d ventoy_chain.sh.xz
  82 xz -d ventoy_loop.sh.xz
  83
  84 if [ -n "$VTOY_REDT_BUG" ]; then
  85     xz -d -c hook.cpio.xz | cpio -idm
  86     xz -d -c tool.cpio.xz | cpio -idm
  87     xz -d -c loop.cpio.xz | cpio -idm
  88 else
  89     xz -d -c hook.cpio.xz | cpio -idm 2>>$VTLOG
  90     xz -d -c tool.cpio.xz | cpio -idm 2>>$VTLOG
  91     xz -d -c loop.cpio.xz | cpio -idm 2>>$VTLOG
  92 fi
  93
  94 if [ -e $BUSYBOX_PATH/32h ]; then
  95     if [ -e $BUSYBOX_PATH/64h ]; then
  96         echo "Use ARM64 busybox toolkit ..." >>$VTLOG
  97         echo aarch64 > $VTOY_PATH/ventoy_arch
  98         ln -s $BUSYBOX_PATH/xzminidecaa64 $BUSYBOX_PATH/xzminidec
  99         ln -s $VTOY_PATH/tool/dmsetupaa64 $VTOY_PATH/tool/dmsetup
 100         ln -s $VTOY_PATH/tool/lunzipaa64 $VTOY_PATH/tool/lunzip
 101     else
 102         echo "Use x86_64 busybox toolkit ..." >>$VTLOG
 103         echo x86_64 > $VTOY_PATH/ventoy_arch
 104         ln -s $BUSYBOX_PATH/xzminidec64 $BUSYBOX_PATH/xzminidec
 105         ln -s $VTOY_PATH/tool/dmsetup64 $VTOY_PATH/tool/dmsetup
 106         ln -s $VTOY_PATH/tool/lunzip64 $VTOY_PATH/tool/lunzip
 107     fi
 108 else
 109     echo "Use i386 busybox toolkit ..." >>$VTLOG
 110     echo i386 > $VTOY_PATH/ventoy_arch
 111     ln -s $BUSYBOX_PATH/xzminidec32 $BUSYBOX_PATH/xzminidec
 112     ln -s $VTOY_PATH/tool/dmsetup32 $VTOY_PATH/tool/dmsetup
 113     ln -s $VTOY_PATH/tool/lunzip32 $VTOY_PATH/tool/lunzip
 114 fi
 115
 116 rm -f *.xz
 117 cd /
 118
 119 ####################################################################
 120 #                                                                  #
 121 # Step 2 : Hand over to ventoy init                                #
 122 #                                                                  #
 123 ####################################################################
 124 exec $BUSYBOX_PATH/sh $VTOY_PATH/init