229 lines
		
	
	
	
		
			6 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable file
		
	
	
	
	
			
		
		
	
	
			229 lines
		
	
	
	
		
			6 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable file
		
	
	
	
	
#!/bin/bash
 | 
						|
########################################################################
 | 
						|
# Begin rc
 | 
						|
#
 | 
						|
# Description : Main Run Level Control Script
 | 
						|
#
 | 
						|
# Authors     : Gerard Beekmans  - gerard@linuxfromscratch.org
 | 
						|
#             : DJ Lucas - dj@linuxfromscratch.org
 | 
						|
# Update      : Bruce Dubbs - bdubbs@linuxfromscratch.org
 | 
						|
#
 | 
						|
# Version     : LFS 7.0
 | 
						|
#
 | 
						|
########################################################################
 | 
						|
 | 
						|
. /lib/lsb/init-functions
 | 
						|
 | 
						|
print_error_msg()
 | 
						|
{
 | 
						|
   log_failure_msg
 | 
						|
   # $i is set when called
 | 
						|
   MSG="FAILURE:\n\nYou should not be reading this error message.\n\n" 
 | 
						|
   MSG="${MSG}It means that an unforeseen error took place in\n"
 | 
						|
   MSG="${MSG}${i},\n"
 | 
						|
   MSG="${MSG}which exited with a return value of ${error_value}.\n"
 | 
						|
  
 | 
						|
   MSG="${MSG}If you're able to track this error down to a bug in one of\n"
 | 
						|
   MSG="${MSG}the files provided by the files provided by\n"
 | 
						|
   MSG="${MSG}the ${DISTRO_MINI} distribution, please be so kind to inform us at\n"
 | 
						|
   MSG="${MSG}${DISTRO_CONTACT}.\n"
 | 
						|
   log_failure_msg "${MSG}"
 | 
						|
 | 
						|
   log_info_msg "Press Enter to continue..."
 | 
						|
   wait_for_user
 | 
						|
}
 | 
						|
 | 
						|
check_script_status()
 | 
						|
{
 | 
						|
   # $i is set when called
 | 
						|
   if [ ! -f ${i} ]; then
 | 
						|
      log_warning_msg "${i} is not a valid symlink." 
 | 
						|
      continue
 | 
						|
   fi
 | 
						|
 | 
						|
   if [ ! -x ${i} ]; then
 | 
						|
      log_warning_msg "${i} is not executable, skipping."
 | 
						|
      continue
 | 
						|
   fi
 | 
						|
}
 | 
						|
 | 
						|
run()
 | 
						|
{
 | 
						|
   if [ -z $interactive ]; then
 | 
						|
      ${1} ${2}
 | 
						|
      return $?
 | 
						|
   fi
 | 
						|
 | 
						|
   while true; do
 | 
						|
      read -p "Run ${1} ${2} (Yes/no/continue)? " -n 1 runit
 | 
						|
      echo
 | 
						|
 | 
						|
      case ${runit} in
 | 
						|
         c | C)
 | 
						|
            interactive=""
 | 
						|
            ${i} ${2}
 | 
						|
            ret=${?}
 | 
						|
            break;
 | 
						|
            ;;
 | 
						|
 | 
						|
         n | N)
 | 
						|
            return 0
 | 
						|
            ;;
 | 
						|
 | 
						|
         y | Y)
 | 
						|
            ${i} ${2}
 | 
						|
            ret=${?}
 | 
						|
            break
 | 
						|
            ;;
 | 
						|
      esac
 | 
						|
   done
 | 
						|
 | 
						|
   return $ret
 | 
						|
}
 | 
						|
 | 
						|
# Read any local settings/overrides
 | 
						|
[ -r /etc/sysconfig/rc.site ] && source /etc/sysconfig/rc.site
 | 
						|
 | 
						|
DISTRO=${DISTRO:-"milis"}
 | 
						|
DISTRO_CONTACT=${DISTRO_CONTACT:-"milis-dev@milisx.org"}
 | 
						|
DISTRO_MINI=${DISTRO_MINI:-"milis"}
 | 
						|
IPROMPT=${IPROMPT:-"no"}
 | 
						|
 | 
						|
# These 3 signals will not cause our script to exit
 | 
						|
trap "" INT QUIT TSTP
 | 
						|
 | 
						|
[ "${1}" != "" ] && runlevel=${1}
 | 
						|
 | 
						|
if [ "${runlevel}" == "" ]; then
 | 
						|
   echo "Usage: ${0} <runlevel>" >&2
 | 
						|
   exit 1
 | 
						|
fi
 | 
						|
 | 
						|
previous=${PREVLEVEL}
 | 
						|
[ "${previous}" == "" ] && previous=N
 | 
						|
 | 
						|
if [ ! -d /etc/rc.d/rc${runlevel}.d ]; then
 | 
						|
   log_info_msg "/etc/rc.d/rc${runlevel}.d does not exist.\n" 
 | 
						|
   exit 1
 | 
						|
fi
 | 
						|
 | 
						|
if [ "$runlevel" == "6" -o "$runlevel" == "0" ]; then IPROMPT="no"; fi
 | 
						|
 | 
						|
# Note: In ${LOGLEVEL:-7}, it is ':' 'dash' '7', not minus 7
 | 
						|
if [ "$runlevel" == "S" ]; then 
 | 
						|
   [ -r /etc/sysconfig/console ] && source /etc/sysconfig/console 
 | 
						|
   dmesg -n "${LOGLEVEL:-7}" 
 | 
						|
fi
 | 
						|
 | 
						|
if [ "${IPROMPT}" == "yes" -a "${runlevel}" == "S" ]; then
 | 
						|
   # The total length of the distro welcome string, without escape codes
 | 
						|
   wlen=${wlen:-$(echo "${DISTRO} Hoşgeldiniz" | wc -c )}
 | 
						|
   welcome_message=${welcome_message:-"${INFO}${DISTRO}${NORMAL} Hoşgeldiniz."}
 | 
						|
 | 
						|
   # The total length of the interactive string, without escape codes
 | 
						|
   ilen=${ilen:-$(echo "Press 'I' to enter interactive startup" | wc -c )}
 | 
						|
   i_message=${i_message:-"Press '${FAILURE}I${NORMAL}' to enter interactive startup"}
 | 
						|
 | 
						|
 | 
						|
   # dcol and icol are spaces before the message to center the message
 | 
						|
   # on screen. itime is the amount of wait time for the user to press a key
 | 
						|
   wcol=$(( ( ${COLUMNS} - ${wlen} ) / 2 ))
 | 
						|
   icol=$(( ( ${COLUMNS} - ${ilen} ) / 2 ))
 | 
						|
   itime=${itime:-"3"}
 | 
						|
 | 
						|
   echo -e "\n\n"
 | 
						|
   echo -e "\\033[${wcol}G${welcome_message}"
 | 
						|
   echo -e "\\033[${icol}G${i_message}${NORMAL}"
 | 
						|
   echo ""
 | 
						|
   read -t "${itime}" -n 1 interactive 2>&1 > /dev/null
 | 
						|
fi
 | 
						|
 | 
						|
# Make lower case
 | 
						|
[ "${interactive}" == "I" ] && interactive="i"
 | 
						|
[ "${interactive}" != "i" ] && interactive=""
 | 
						|
 | 
						|
# Read the state file if it exists from runlevel S
 | 
						|
[ -r /var/run/interactive ] && source /var/run/interactive
 | 
						|
 | 
						|
# Attempt to stop all services started by the previous runlevel,
 | 
						|
# and killed in this runlevel
 | 
						|
if [ "${previous}" != "N" ]; then
 | 
						|
   for i in $(ls -v /etc/rc.d/rc${runlevel}.d/K* 2> /dev/null)
 | 
						|
   do
 | 
						|
      check_script_status
 | 
						|
 | 
						|
      suffix=${i#/etc/rc.d/rc$runlevel.d/K[0-9][0-9]}
 | 
						|
      prev_start=/etc/rc.d/rc$previous.d/S[0-9][0-9]$suffix
 | 
						|
      sysinit_start=/etc/rc.d/rcS.d/S[0-9][0-9]$suffix
 | 
						|
 | 
						|
      if [ "${runlevel}" != "0" -a "${runlevel}" != "6" ]; then
 | 
						|
         if [ ! -f ${prev_start} -a  ! -f ${sysinit_start} ]; then
 | 
						|
            MSG="WARNING:\n\n${i} can't be "
 | 
						|
            MSG="${MSG}executed because it was not "
 | 
						|
            MSG="${MSG}not started in the previous "
 | 
						|
            MSG="${MSG}runlevel (${previous})."
 | 
						|
            log_warning_msg "$MSG"
 | 
						|
            continue
 | 
						|
         fi
 | 
						|
      fi
 | 
						|
 | 
						|
      run ${i} stop
 | 
						|
      error_value=${?}
 | 
						|
 | 
						|
      if [ "${error_value}" != "0" ]; then print_error_msg; fi
 | 
						|
   done
 | 
						|
fi
 | 
						|
 | 
						|
if [ "${previous}" == "N" ]; then export IN_BOOT=1; fi
 | 
						|
 | 
						|
if [ "$runlevel" == "6" -a -n "${FASTBOOT}" ]; then
 | 
						|
   touch /fastboot
 | 
						|
fi
 | 
						|
 | 
						|
 | 
						|
# Start all functions in this runlevel
 | 
						|
for i in $( ls -v /etc/rc.d/rc${runlevel}.d/S* 2> /dev/null)
 | 
						|
do
 | 
						|
   if [ "${previous}" != "N" ]; then
 | 
						|
      suffix=${i#/etc/rc.d/rc$runlevel.d/S[0-9][0-9]}
 | 
						|
      stop=/etc/rc.d/rc$runlevel.d/K[0-9][0-9]$suffix
 | 
						|
      prev_start=/etc/rc.d/rc$previous.d/S[0-9][0-9]$suffix
 | 
						|
 | 
						|
      [ -f ${prev_start} -a ! -f ${stop} ] && continue
 | 
						|
   fi
 | 
						|
 | 
						|
   check_script_status
 | 
						|
 | 
						|
   case ${runlevel} in
 | 
						|
      0|6)
 | 
						|
         run ${i} stop
 | 
						|
         ;;
 | 
						|
      *)
 | 
						|
         run ${i} start
 | 
						|
         ;;
 | 
						|
   esac
 | 
						|
 | 
						|
   error_value=${?}
 | 
						|
 | 
						|
   if [ "${error_value}" != "0" ]; then print_error_msg; fi
 | 
						|
done
 | 
						|
 | 
						|
# Store interactive variable on switch from runlevel S and remove if not
 | 
						|
if [ "${runlevel}" == "S" -a "${interactive}" == "i" ]; then
 | 
						|
    echo "interactive=\"i\"" > /var/run/interactive
 | 
						|
else
 | 
						|
    rm -f /var/run/interactive 2> /dev/null
 | 
						|
fi
 | 
						|
 | 
						|
# Copy the boot log on initial boot only
 | 
						|
if [ "${previous}" == "N" -a  "${runlevel}" != "S" ]; then
 | 
						|
   cat $BOOTLOG >> /var/log/boot.log
 | 
						|
      
 | 
						|
   # Mark the end of boot
 | 
						|
   echo "--------" >> /var/log/boot.log
 | 
						|
   
 | 
						|
   # Remove the temporary file
 | 
						|
   rm -f $BOOTLOG 2> /dev/null
 | 
						|
fi
 | 
						|
 | 
						|
# End rc
 |