diff options
Diffstat (limited to 'sbin/rc.S')
| -rwxr-xr-x | sbin/rc.S | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/sbin/rc.S b/sbin/rc.S new file mode 100755 index 0000000..4aa002d --- /dev/null +++ b/sbin/rc.S @@ -0,0 +1,178 @@ +#!/bin/sh + +umask 022 +export PATH=/sbin:/bin:/usr/sbin:/usr/bin + +# enable swapping +/sbin/swapon -a + +# initialize LCD if present +if [ ! -x /bin/lcdwrite ] ; then function lcdwrite { /bin/true; } ; fi +if [ ! -x /bin/lcdtee ] ; then function lcdtee { /bin/cat; } ; fi +echo | lcdwrite + +if [ ! -e /proc/mounts ] ; then + # mounting /proc device + mount -vnt proc /proc /proc +fi + +# be careful, we suppose that /dev was created by preinit program +# to be read-write + +if [ ! -d /dev/pts -a -w /dev/ ] ; then + # create /dev/pts + mkdir /dev/pts +fi + +# Create /dev/root if it doesn't exist +if [ ! -e /dev/root ] ; then + if grep -q " root=" /proc/cmdline ; then + set `sed -e "s/^.* root=\([^ ]\+\).*/\1/" < /proc/cmdline` + ln -s $1 /dev/root + fi +fi + +# Check the integrity of / filesystem except if it's a ramdisk +# major=`ls -l /dev/root|sed -e 's/^\(.*\)\([0-9]\+\)\(, .*\)$/\2/'` +# if [ "$major" != "1" ]; then +# /sbin/e2fsck -n /dev/root +# fi + +# Create /dev/boot if it doesn't exist +if [ ! -e /dev/boot ] ; then + if grep -q " boot=" /proc/cmdline ; then + set `sed -e "s/^.* boot=\([^ ]\+\).*/\1/" < /proc/cmdline` + ln -s $1 /dev/boot + elif grep -q '[ ]/boot[ ]' /etc/fstab ; then + set `grep '[ ]/boot[ ]' /etc/fstab` + ln -s $1 /dev/boot + fi +fi + +# Check the integrity of all filesystems +/sbin/fsck -a -A -C -R + +if [ $? -gt 1 ] ; then + #echo "Error with fsck, run 'fsck -y -a'" + #PS1="(Repair filesystem) \#"; export PS1 + #sulogin + #echo "Unmounting file systems..." + #umount -a + #mount -n -o remount,ro / + #sync + #echo "Rebooting system..." + #sleep 2 + #reboot + #/bin/sh + echo "Error with fsck, run 'fsck -y -a'." + echo " => remounting ALL filesystems READ-ONLY !!!" + # mount file systems in fstab (and create an entry for /) + # but not NFS because TCP/IP is not yet configured + mount -rnat nonfs,noproc,notmpfs + mount -nat tmpfs +else + # mount file systems in fstab (and create an entry for /) + # but not NFS because TCP/IP is not yet configured + mount -nat nonfs,noproc +fi + + +# check whether /var is already mounted read-write. If not, we'll do +# it because it's unacceptable to work in read-only mode ! +if touch /var/.$BOOTID >/dev/null 2>&1; then + rm -f /var/.$BOOTID >/dev/null 2>&1 +else + echo "WARNING: Mounting /var as tmpfs !" + umount /var >/dev/null 2>&1 + mount -o mode=755 -t tmpfs /var /var +fi + +# Create /var directories if they don't exist +if [ ! -d /var/tmp ] ; then mkdir -m 1777 /var/tmp ; fi +if [ ! -d /var/run ] ; then mkdir /var/run ; fi +if [ ! -d /var/state ] ; then mkdir /var/state ; fi +if [ ! -d /var/lib ] ; then mkdir /var/lib ; fi +if [ ! -d /var/spool ] ; then mkdir /var/spool ; fi +if [ ! -d /var/log ] ; then mkdir /var/log ; chown root:log /var/log; chmod 2750 /var/log; fi +if [ ! -d /var/cache ] ; then mkdir /var/cache ; fi +if [ ! -d /var/empty ] ; then mkdir /var/empty ; chmod 500 /var/empty; fi +if [ ! -d /var/adm/. ] ; then ln -s log /var/adm ; fi + +sync + +# check whether /tmp is already mounted read-write. If not, we'll do +# it because it's unacceptable to work in read-only mode ! +if touch /tmp/.$BOOTID >/dev/null 2>&1; then + rm -f /tmp/.$BOOTID >/dev/null 2>&1 +else + echo "Mounting /tmp as tmpfs" + umount /tmp >/dev/null 2>&1 + mount -o mode=1777 -t tmpfs /tmp /tmp + if [ $? != 0 ]; then + echo "WARNING: could not mount /tmp as tmpfs." + if [ -L /tmp ]; then + echo " /tmp is a symlink to nowhere. Trying to fix its destination :" + (cd / && mkdir -vp `readlink /tmp`) + if [ $? -eq 0 ]; then + echo " => Success ! Now trying to mount /tmp again :" + else + echo " => Failed ! Trying to make /tmp a directory :" + (mv -v /tmp /tmp.old || rm -vf /tmp) && mkdir -v /tmp + if [ $? -eq 0 ]; then + echo " => Success ! Now trying to mount /tmp again :" + else + echo " => Failed ! Trying again by remounting / RW :" + mount -vwo remount / && (mv -v /tmp /tmp.old || rm -vf /tmp) && mkdir -v /tmp + mount -vo remount / + if [ ! -d /tmp ]; then + echo " => Failed ! The system may be unstable !!!" + else + echo " => Success ! you were lucky, but check if / has been correctly remounted !" + echo " => Now trying to mount /tmp again :" + fi + fi + fi + elif [ ! -d /tmp ]; then + echo " Trying to make /tmp a directory :" + (mv -v /tmp /tmp.old || rm -vf /tmp) && mkdir -v /tmp + if [ $? -eq 0 ]; then + echo " => Success ! Now trying to mount /tmp again :" + else + echo " => Failed ! Trying again by remounting / RW :" + mount -vwo remount / && (mv -v /tmp /tmp.old || rm -vf /tmp) && mkdir -v /tmp + mount -vo remount / + if [ ! -d /tmp ]; then + echo " => FAILED ! The system may be unstable !!!" + else + echo " => Success ! you were lucky, but check if / has been correctly remounted !" + echo " => Now trying to mount /tmp again :" + fi + fi + fi + + # either it was a directory, or it now is. + if [ -d /tmp ]; then + mount -o mode=1777 -t tmpfs /tmp /tmp && echo " => Success !" || echo " => FAILED ! /tmp is a directory but is unmountable !!! The system may be unstable" + fi + fi +fi + +/bin/rm -f /var/run/utmp /var/run/*.pid >/dev/null 2>&1 +/bin/rm -rf /tmp/* /tmp/.[^.]* /tmp/..?* >/dev/null 2>&1 +touch /var/log/wtmp /var/log/lastlog + +#if mkdir /tmp/.$BOOTID ; then +# dmesg > /tmp/.$BOOTID/dmesg +#fi + +# Writing Status +#for dir in / /dev /tmp /var /etc /boot ; do +# s="" +# if [ -L $dir ] ; then s=$s"a symbolic-link " ; t=L ; fi +# if [ -w $dir ] ; then s=$s"read-write "; t=RW ; else +# s=$s"read-only " ; t=RO ; fi +# echo "$dir is $s" +#done + +echo "Base system done." | lcdtee + |