#!/ventoy/busybox/sh #************************************************************************************ # Copyright (c) 2020, longpanda # # 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 3 of the # License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, see . # #************************************************************************************ #################################################################### # # # Step 1 : Parse kernel parameter # # # #################################################################### if ! [ -e /proc ]; then $BUSYBOX_PATH/mkdir /proc rmproc='Y' fi $BUSYBOX_PATH/mount -t proc proc /proc # vtinit=xxx to replace rdinit=xxx vtcmdline=$($CAT /proc/cmdline) for i in $vtcmdline; do if echo $i | $GREP -q vtinit; then user_rdinit=${i#vtinit=} echo "user set user_rdinit=${user_rdinit}" >>$VTLOG fi done #################################################################### # # # Step 2 : Do OS specific hook # # # #################################################################### ventoy_get_os_type() { echo "kernel version" >> $VTLOG $CAT /proc/version >> $VTLOG # rhel5/CentOS5 and all other distributions based on them if $GREP -q 'el5' /proc/version; then echo 'rhel5'; return # rhel6/CentOS6 and all other distributions based on them elif $GREP -q 'el6' /proc/version; then echo 'rhel6'; return # rhel7/CentOS7/rhel8/CentOS8 and all other distributions based on them elif $GREP -q 'el[78]' /proc/version; then echo 'rhel7'; return # Maybe rhel9 rhel1x use the same way? Who knows! elif $EGREP -q 'el9|el1[0-9]' /proc/version; then echo 'rhel7'; return # Fedora : do the same process with rhel7 elif $GREP -q '\.fc[0-9][0-9]\.' /proc/version; then echo 'rhel7'; return # Debian : elif $GREP -q '[Dd]ebian' /proc/version; then echo 'debian'; return # Ubuntu : do the same process with debian elif $GREP -q '[Uu]buntu' /proc/version; then echo 'debian'; return # Deepin : do the same process with debian elif $GREP -q '[Dd]eepin' /proc/version; then echo 'debian'; return # SUSE elif $GREP -q 'SUSE' /proc/version; then echo 'suse'; return # ArchLinux elif $EGREP -q 'archlinux|ARCH' /proc/version; then echo 'arch'; return # gentoo elif $EGREP -q '[Gg]entoo' /proc/version; then echo 'gentoo'; return # TinyCore elif $EGREP -q 'tinycore' /proc/version; then echo 'tinycore'; return # manjaro elif $EGREP -q 'manjaro|MANJARO' /proc/version; then echo 'manjaro'; return # mageia elif $EGREP -q 'mageia' /proc/version; then echo 'mageia'; return # pclinux OS elif $GREP -i -q 'PCLinuxOS' /proc/version; then echo 'pclos'; return # KaOS elif $GREP -i -q 'kaos' /proc/version; then echo 'kaos'; return # Alpine elif $GREP -q 'Alpine' /proc/version; then echo 'alpine'; return # NixOS elif $GREP -i -q 'NixOS' /proc/version; then echo 'nixos'; return fi if [ -e /lib/debian-installer ]; then echo 'debian'; return fi if [ -e /etc/os-release ]; then if $GREP -q 'XenServer' /etc/os-release; then echo 'xen'; return elif $GREP -q 'SUSE ' /etc/os-release; then echo 'suse'; return fi fi if $BUSYBOX_PATH/dmesg | $GREP -q -m1 "Xen:"; then echo 'xen'; return fi if [ -e /etc/HOSTNAME ] && $GREP -i -q 'slackware' /etc/HOSTNAME; then echo 'slackware'; return fi if [ -e /init ]; then if $GREP -i -q zeroshell /init; then echo 'zeroshell'; return fi fi if $EGREP -q 'ALT ' /proc/version; then echo 'alt'; return fi if $EGREP -q 'porteus' /proc/version; then echo 'debian'; return fi echo "default" } VTOS=$(ventoy_get_os_type) echo "OS=###${VTOS}###" >>$VTLOG if [ -e "$VTOY_PATH/hook/$VTOS/ventoy-hook.sh" ]; then $BUSYBOX_PATH/sh "$VTOY_PATH/hook/$VTOS/ventoy-hook.sh" fi #################################################################### # # # Step 3 : Check for debug break # # # #################################################################### if [ "$VTOY_BREAK_LEVEL" = "03" ] || [ "$VTOY_BREAK_LEVEL" = "13" ]; then $SLEEP 5 echo -e "\n\n\033[32m ################################################# \033[0m" echo -e "\033[32m ################ VENTOY DEBUG ################### \033[0m" echo -e "\033[32m ################################################# \033[0m \n" if [ "$VTOY_BREAK_LEVEL" = "13" ]; then $CAT $VTOY_PATH/log fi exec $BUSYBOX_PATH/sh fi #################################################################### # # # Step 4 : Hand over to real init # # # #################################################################### $BUSYBOX_PATH/umount /proc if [ "$rmproc" = "Y" ]; then $BUSYBOX_PATH/rm -rf /proc fi cd / unset VTOY_PATH VTLOG FIND GREP EGREP CAT AWK SED SLEEP HEAD for vtinit in $user_rdinit /init /sbin/init /linuxrc; do if [ -d /ventoy_rdroot ]; then if [ -e "/ventoy_rdroot$vtinit" ]; then # switch_root will check /init file, this is a cheat code echo 'switch_root' > /init exec $BUSYBOX_PATH/switch_root /ventoy_rdroot "$vtinit" fi else if [ -e "$vtinit" ];then exec "$vtinit" fi fi done # Should never reach here echo -e "\n\n\033[31m ############ INIT NOT FOUND ############### \033[0m \n" exec $BUSYBOX_PATH/sh