milis/rootfs/lib/services/init-functions

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#!/bin/sh
########################################################################
#
# Begin /lib/services/init-funtions
#
# Description : Run Level Control Functions
#
# Authors : Gerard Beekmans - gerard@linuxfromscratch.org
# : DJ Lucas - dj@linuxfromscratch.org
# Update : Bruce Dubbs - bdubbs@linuxfromscratch.org
# : Thierry Nuttens - tnut@nutyx.org
#
# Version : LFS 7.0
# : milis
#
# Notes : With code based on Matthias Benkmann's simpleinit-msb
# http://winterdrache.de/linux/newboot/index.html
#
# The file should be located in /lib/lsb, means
# a symbolic link to service folder is done
#
########################################################################
## Environmental setup
# Setup default values for environment
umask 022
export PATH="/usr/bin:/bin:/usr/sbin:/sbin"
## Screen Dimensions
# Find current screen size
if [ -z "${COLUMNS}" ]; then
COLUMNS=$(stty size)
COLUMNS=${COLUMNS##* }
fi
# When using remote connections, such as a serial port, stty size returns 0
if [ "${COLUMNS}" = "0" ]; then
COLUMNS=80
fi
## Measurements for positioning result messages
COL=$((${COLUMNS} - 12))
WCOL=$((${COL} - 2))
## Set Cursor Position Commands, used via echo
SET_COL="\\033[${COL}G" # at the $COL char
SET_WCOL="\\033[${WCOL}G" # at the $WCOL char
CURS_UP="\\033[1A\\033[0G" # Up one line, at the 0'th char
CURS_ZERO="\\033[0G"
## Set color commands, used via echo
# Please consult `man console_codes for more information
# under the "ECMA-48 Set Graphics Rendition" section
#
# Warning: when switching from a 8bit to a 9bit font,
# the linux console will reinterpret the bold (1;) to
# the top 256 glyphs of the 9bit font. This does
# not affect framebuffer consoles
NORMAL="\\033[0;39m" # Standard console grey
SUCCESS="\\033[1;32m" # Success is green
WARNING="\\033[1;33m" # Warnings are yellow
FAILURE="\\033[1;31m" # Failures are red
INFO="\\033[1;36m" # Information is light cyan
BRACKET="\\033[1;34m" # Brackets are blue
# Use a colored prefix
BMPREFIX=" "
SUCCESS_PREFIX="${SUCCESS} * ${NORMAL}"
FAILURE_PREFIX="${FAILURE}*****${NORMAL}"
WARNING_PREFIX="${WARNING} *** ${NORMAL}"
SUCCESS_SUFFIX="${BRACKET}[${SUCCESS} TAMAM ${BRACKET}]${NORMAL}"
FAILURE_SUFFIX="${BRACKET}[${FAILURE} BAŞARISIZ ${BRACKET}]${NORMAL}"
WARNING_SUFFIX="${BRACKET}[${WARNING} UYARI ${BRACKET}]${NORMAL}"
BOOTLOG=/run/bootlog
KILLDELAY=0
[ "$verbose" == "no" ] && echo "" > $BOOTLOG
# Set any user specified environment variables e.g. HEADLESS
[ -r /etc/sysconfig/rc.site ] && . /etc/sysconfig/rc.site
################################################################################
# start_daemon() #
# Usage: start_daemon [-f] [-n nicelevel] [-p pidfile] pathname [args...] #
# #
# Purpose: This runs the specified program as a daemon #
# #
# Inputs: -f: (force) run the program even if it is already running. #
# -n nicelevel: specify a nice level. See 'man nice(1)'. #
# -p pidfile: use the specified file to determine PIDs. #
# pathname: the complete path to the specified program #
# args: additional arguments passed to the program (pathname) #
# #
# Return values (as defined by LSB exit codes): #
# 0 - program is running or service is OK #
# 1 - generic or unspecified error #
# 2 - invalid or excessive argument(s) #
# 5 - program is not installed #
################################################################################
start_daemon()
{
local force=""
local nice="0"
local pidfile=""
local pidlist=""
local retval=""
# Process arguments
while true
do
case "${1}" in
-f)
force="1"
shift 1
;;
-n)
nice="${2}"
shift 2
;;
-p)
pidfile="${2}"
shift 2
;;
-*)
return 2
;;
*)
program="${1}"
break
;;
esac
done
# Check for a valid program
if [ ! -e "${program}" ]; then return 5; fi
# Execute
if [ -z "${force}" ]; then
if [ -z "${pidfile}" ]; then
# Determine the pid by discovery
pidlist=`pidofproc "${1}"`
retval="${?}"
else
# The PID file contains the needed PIDs
# Note that by LSB requirement, the path must be given to pidofproc,
# however, it is not used by the current implementation or standard.
pidlist=`pidofproc -p "${pidfile}" "${1}"`
retval="${?}"
fi
# Return a value ONLY
# It is the init script's (or distribution's functions) responsibilty
# to log messages!
case "${retval}" in
0)
# Program is already running correctly, this is a
# successful start.
return 0
;;
1)
# Program is not running, but an invalid pid file exists
# remove the pid file and continue
rm -f "${pidfile}"
;;
3)
# Program is not running and no pidfile exists
# do nothing here, let start_deamon continue.
;;
*)
# Others as returned by status values shall not be interpreted
# and returned as an unspecified error.
return 1
;;
esac
fi
# Do the start!
nice -n "${nice}" "${@}"
}
################################################################################
# killproc() #
# Usage: killproc [-p pidfile] pathname [signal] #
# #
# Purpose: Send control signals to running processes #
# #
# Inputs: -p pidfile, uses the specified pidfile #
# pathname, pathname to the specified program #
# signal, send this signal to pathname #
# #
# Return values (as defined by LSB exit codes): #
# 0 - program (pathname) has stopped/is already stopped or a #
# running program has been sent specified signal and stopped #
# successfully #
# 1 - generic or unspecified error #
# 2 - invalid or excessive argument(s) #
# 5 - program is not installed #
# 7 - program is not running and a signal was supplied #
################################################################################
killproc()
{
local pidfile
local program
local prefix
local progname
local signal="-TERM"
local fallback="-KILL"
local nosig
local pidlist
local retval
local pid
local delay="30"
local piddead
local dtime
# Process arguments
while true; do
case "${1}" in
-p)
pidfile="${2}"
shift 2
;;
*)
program="${1}"
if [ -n "${2}" ]; then
signal="${2}"
fallback=""
else
nosig=1
fi
# Error on additional arguments
if [ -n "${3}" ]; then
return 2
else
break
fi
;;
esac
done
# Check for a valid program
if [ ! -e "${program}" ]; then return 5; fi
# Check for a valid signal
check_signal "${signal}"
if [ "${?}" -ne "0" ]; then return 2; fi
# Get a list of pids
if [ -z "${pidfile}" ]; then
# determine the pid by discovery
pidlist=`pidofproc "${1}"`
retval="${?}"
else
# The PID file contains the needed PIDs
# Note that by LSB requirement, the path must be given to pidofproc,
# however, it is not used by the current implementation or standard.
pidlist=`pidofproc -p "${pidfile}" "${1}"`
retval="${?}"
fi
# Return a value ONLY
# It is the init script's (or distribution's functions) responsibilty
# to log messages!
case "${retval}" in
0)
# Program is running correctly
# Do nothing here, let killproc continue.
;;
1)
# Program is not running, but an invalid pid file exists
# Remove the pid file.
rm -f "${pidfile}"
# This is only a success if no signal was passed.
if [ -n "${nosig}" ]; then
return 0
else
return 7
fi
;;
3)
# Program is not running and no pidfile exists
# This is only a success if no signal was passed.
if [ -n "${nosig}" ]; then
return 0
else
return 7
fi
;;
*)
# Others as returned by status values shall not be interpreted
# and returned as an unspecified error.
return 1
;;
esac
# Perform different actions for exit signals and control signals
check_sig_type "${signal}"
if [ "${?}" -eq "0" ]; then # Signal is used to terminate the program
# Account for empty pidlist (pid file still exists and no
# signal was given)
if [ "${pidlist}" != "" ]; then
# Kill the list of pids
for pid in ${pidlist}; do
kill -0 "${pid}" 2> /dev/null
if [ "${?}" -ne "0" ]; then
# Process is dead, continue to next and assume all is well
continue
else
kill "${signal}" "${pid}" 2> /dev/null
# Wait up to ${delay}/10 seconds to for "${pid}" to
# terminate in 10ths of a second
while [ "${delay}" -ne "0" ]; do
kill -0 "${pid}" 2> /dev/null || piddead="1"
if [ "${piddead}" = "1" ]; then break; fi
sleep 0.1
delay="$(( ${delay} - 1 ))"
done
# If a fallback is set, and program is still running, then
# use the fallback
if [ -n "${fallback}" -a "${piddead}" != "1" ]; then
kill "${fallback}" "${pid}" 2> /dev/null
sleep 1
# Check again, and fail if still running
kill -0 "${pid}" 2> /dev/null && return 1
fi
fi
done
fi
# Check for and remove stale PID files.
if [ -z "${pidfile}" ]; then
# Find the basename of $program
prefix=`echo "${program}" | sed 's/[^/]*$//'`
progname=`echo "${program}" | sed "s@${prefix}@@"`
if [ -e "/var/run/${progname}.pid" ]; then
rm -f "/var/run/${progname}.pid" 2> /dev/null
fi
else
if [ -e "${pidfile}" ]; then rm -f "${pidfile}" 2> /dev/null; fi
fi
# For signals that do not expect a program to exit, simply
# let kill do its job, and evaluate kill's return for value
else # check_sig_type - signal is not used to terminate program
for pid in ${pidlist}; do
kill "${signal}" "${pid}"
if [ "${?}" -ne "0" ]; then return 1; fi
done
fi
}
################################################################################
# pidofproc() #
# Usage: pidofproc [-p pidfile] pathname #
# #
# Purpose: This function returns one or more pid(s) for a particular daemon #
# #
# Inputs: -p pidfile, use the specified pidfile instead of pidof #
# pathname, path to the specified program #
# #
# Return values (as defined by LSB status codes): #
# 0 - Success (PIDs to stdout) #
# 1 - Program is dead, PID file still exists (remaining PIDs output) #
# 3 - Program is not running (no output) #
################################################################################
pidofproc()
{
local pidfile
local program
local prefix
local progname
local pidlist
local lpids
local exitstatus="0"
# Process arguments
while true; do
case "${1}" in
-p)
pidfile="${2}"
shift 2
;;
*)
program="${1}"
if [ -n "${2}" ]; then
# Too many arguments
# Since this is status, return unknown
return 4
else
break
fi
;;
esac
done
# If a PID file is not specified, try and find one.
if [ -z "${pidfile}" ]; then
# Get the program's basename
prefix=`echo "${program}" | sed 's/[^/]*$//'`
if [ -z "${prefix}" ]; then
progname="${program}"
else
progname=`echo "${program}" | sed "s@${prefix}@@"`
fi
# If a PID file exists with that name, assume that is it.
if [ -e "/var/run/${progname}.pid" ]; then
pidfile="/var/run/${progname}.pid"
fi
fi
# If a PID file is set and exists, use it.
if [ -n "${pidfile}" -a -e "${pidfile}" ]; then
# Use the value in the first line of the pidfile
pidlist=`/bin/head -n1 "${pidfile}"`
# This can optionally be written as 'sed 1q' to repalce 'head -n1'
# should LFS move /bin/head to /usr/bin/head
else
# Use pidof
pidlist=`pidof "${program}"`
fi
# Figure out if all listed PIDs are running.
for pid in ${pidlist}; do
kill -0 ${pid} 2> /dev/null
if [ "${?}" -eq "0" ]; then
lpids="${lpids}${pid} "
else
exitstatus="1"
fi
done
if [ -z "${lpids}" -a ! -f "${pidfile}" ]; then
return 3
else
echo "${lpids}"
return "${exitstatus}"
fi
}
################################################################################
# statusproc() #
# Usage: statusproc [-p pidfile] pathname #
# #
# Purpose: This function prints the status of a particular daemon to stdout #
# #
# Inputs: -p pidfile, use the specified pidfile instead of pidof #
# pathname, path to the specified program #
# #
# Return values: #
# 0 - Status printed #
# 1 - Input error. The daemon to check was not specified. #
################################################################################
statusproc()
{
local pidfile
local pidlist
if [ "${#}" = "0" ]; then
echo "Usage: statusproc [-p pidfle] {program}"
exit 1
fi
# Process arguments
while true; do
case "${1}" in
-p)
pidfile="${2}"
shift 2
;;
*)
if [ -n "${2}" ]; then
echo "Too many arguments"
return 1
else
break
fi
;;
esac
done
if [ -n "${pidfile}" ]; then
pidlist=`pidofproc -p "${pidfile}" $@`
else
pidlist=`pidofproc $@`
fi
# Trim trailing blanks
pidlist=`echo "${pidlist}" | sed -r 's/ +$//'`
base="${1##*/}"
if [ -n "${pidlist}" ]; then
/bin/echo -e "${INFO}${base} is running with Process" \
"ID(s) ${pidlist}.${NORMAL}"
else
if [ -n "${base}" -a -e "/var/run/${base}.pid" ]; then
/bin/echo -e "${WARNING}${1} is not running but" \
"/var/run/${base}.pid exists.${NORMAL}"
else
if [ -n "${pidfile}" -a -e "${pidfile}" ]; then
/bin/echo -e "${WARNING}${1} is not running" \
"but ${pidfile} exists.${NORMAL}"
else
/bin/echo -e "${INFO}${1} is not running.${NORMAL}"
fi
fi
fi
}
################################################################################
# timespec() #
# #
# Purpose: An internal utility function to format a timestamp #
# a boot log file. Sets the STAMP variable. #
# #
# Return value: Not used #
################################################################################
timespec()
{
STAMP="$(echo `date +"%b %d %T %:z"` `hostname`) "
return 0
}
################################################################################
# log_success_msg() #
# Usage: log_success_msg ["message"] #
# #
# Purpose: Print a successful status message to the screen and #
# a boot log file. #
# #
# Inputs: $@ - Message #
# #
# Return values: Not used #
################################################################################
log_success_msg()
{
if [ "$verbose" == "no" ]; then
return 0
fi
/bin/echo -n -e "${BMPREFIX}${@}"
/bin/echo -e "${CURS_ZERO}${SUCCESS_PREFIX}${SET_COL}${SUCCESS_SUFFIX}"
# Strip non-printable characters from log file
logmessage=`echo "${@}" | sed 's/\\\033[^a-zA-Z]*.//g'`
timespec
/bin/echo -e "${STAMP} ${logmessage} OK" >> ${BOOTLOG}
return 0
}
log_success_msg2()
{
if [ "$verbose" == "no" ]; then
return 0
fi
/bin/echo -n -e "${BMPREFIX}${@}"
/bin/echo -e "${CURS_ZERO}${SUCCESS_PREFIX}${SET_COL}${SUCCESS_SUFFIX}"
echo " OK" >> ${BOOTLOG}
return 0
}
################################################################################
# log_failure_msg() #
# Usage: log_failure_msg ["message"] #
# #
# Purpose: Print a failure status message to the screen and #
# a boot log file. #
# #
# Inputs: $@ - Message #
# #
# Return values: Not used #
################################################################################
log_failure_msg()
{
/bin/echo -n -e "${BMPREFIX}${@}"
/bin/echo -e "${CURS_ZERO}${FAILURE_PREFIX}${SET_COL}${FAILURE_SUFFIX}"
# Strip non-printable characters from log file
timespec
logmessage=`echo "${@}" | sed 's/\\\033[^a-zA-Z]*.//g'`
/bin/echo -e "${STAMP} ${logmessage} BAŞARISIZ" >> ${BOOTLOG}
return 0
}
log_failure_msg2()
{
/bin/echo -n -e "${BMPREFIX}${@}"
/bin/echo -e "${CURS_ZERO}${FAILURE_PREFIX}${SET_COL}${FAILURE_SUFFIX}"
echo "BAŞARISIZ" >> ${BOOTLOG}
return 0
}
################################################################################
# log_warning_msg() #
# Usage: log_warning_msg ["message"] #
# #
# Purpose: Print a warning status message to the screen and #
# a boot log file. #
# #
# Return values: Not used #
################################################################################
log_warning_msg()
{
/bin/echo -n -e "${BMPREFIX}${@}"
/bin/echo -e "${CURS_ZERO}${WARNING_PREFIX}${SET_COL}${WARNING_SUFFIX}"
# Strip non-printable characters from log file
logmessage=`echo "${@}" | sed 's/\\\033[^a-zA-Z]*.//g'`
timespec
/bin/echo -e "${STAMP} ${logmessage} UYARI" >> ${BOOTLOG}
return 0
}
################################################################################
# log_info_msg() #
# Usage: log_info_msg message #
# #
# Purpose: Print an information message to the screen and #
# a boot log file. Does not print a trailing newline character. #
# #
# Return values: Not used #
################################################################################
log_info_msg()
{
if [ "$verbose" == "no" ]; then
return 0
fi
/bin/echo -n -e "${BMPREFIX}${@}"
# Strip non-printable characters from log file
logmessage=`echo "${@}" | sed 's/\\\033[^a-zA-Z]*.//g'`
timespec
/bin/echo -n -e "${STAMP} ${logmessage}" >> ${BOOTLOG}
return 0
}
log_info_msg2()
{
if [ "$verbose" == "no" ] ; then
return 0
fi
/bin/echo -n -e "${@}"
# Strip non-printable characters from log file
logmessage=`echo "${@}" | sed 's/\\\033[^a-zA-Z]*.//g'`
/bin/echo -n -e "${logmessage}" >> ${BOOTLOG}
return 0
}
################################################################################
# evaluate_retval() #
# Usage: Evaluate a return value and print success or failyure as appropriate #
# #
# Purpose: Convenience function to terminate an info message #
# #
# Return values: Not used #
################################################################################
evaluate_retval()
{
local error_value="${?}"
if [ ${error_value} = 0 ]; then
if [ "$verbose" != "no" ]; then
log_success_msg2
fi
else
log_failure_msg2
fi
}
################################################################################
# check_signal() #
# Usage: check_signal [ -{signal} | {signal} ] #
# #
# Purpose: Check for a valid signal. This is not defined by any LSB draft, #
# however, it is required to check the signals to determine if the #
# signals chosen are invalid arguments to the other functions. #
# #
# Inputs: Accepts a single string value in the form or -{signal} or {signal} #
# #
# Return values: #
# 0 - Success (signal is valid #
# 1 - Signal is not valid #
################################################################################
check_signal()
{
local valsig
# Add error handling for invalid signals
valsig="-ALRM -HUP -INT -KILL -PIPE -POLL -PROF -TERM -USR1 -USR2"
valsig="${valsig} -VTALRM -STKFLT -PWR -WINCH -CHLD -URG -TSTP -TTIN"
valsig="${valsig} -TTOU -STOP -CONT -ABRT -FPE -ILL -QUIT -SEGV -TRAP"
valsig="${valsig} -SYS -EMT -BUS -XCPU -XFSZ -0 -1 -2 -3 -4 -5 -6 -8 -9"
valsig="${valsig} -11 -13 -14 -15"
echo "${valsig}" | grep -- " ${1} " > /dev/null
if [ "${?}" -eq "0" ]; then
return 0
else
return 1
fi
}
################################################################################
# check_sig_type() #
# Usage: check_signal [ -{signal} | {signal} ] #
# #
# Purpose: Check if signal is a program termination signal or a control signal #
# This is not defined by any LSB draft, however, it is required to #
# check the signals to determine if they are intended to end a #
# program or simply to control it. #
# #
# Inputs: Accepts a single string value in the form or -{signal} or {signal} #
# #
# Return values: #
# 0 - Signal is used for program termination #
# 1 - Signal is used for program control #
################################################################################
check_sig_type()
{
local valsig
# The list of termination signals (limited to generally used items)
valsig="-ALRM -INT -KILL -TERM -PWR -STOP -ABRT -QUIT -2 -3 -6 -9 -14 -15"
echo "${valsig}" | grep -- " ${1} " > /dev/null
if [ "${?}" -eq "0" ]; then
return 0
else
return 1
fi
}
################################################################################
# wait_for_user() #
# #
# Purpose: Wait for the user to respond if not a headless system #
# #
################################################################################
wait_for_user()
{
# Wait for the user by default
[ "${HEADLESS=0}" = "0" ] && read ENTER
return 0
}
################################################################################
# is_true() #
# #
# Purpose: Utility to test if a variable is true | yes | 1 #
# #
################################################################################
is_true()
{
[ "$1" = "1" ] || [ "$1" = "yes" ] || [ "$1" = "true" ] || [ "$1" = "y" ] ||
[ "$1" = "t" ]
}
################################################################################
# create_files() #
# #
# Purpose: create files from ${name}, ${maj}, ${min}, ${usr}, ${grp}, ${perm} #
# ${type} ${dtype} #
################################################################################
create_files()
{
# Input to file descriptor 9 and output to stdin (redirection)
exec 9>&0 < /etc/sysconfig/createfiles
while read name type perm usr grp dtype maj min junk
do
# Ignore comments and blank lines.
case "${name}" in
""|\#*) continue ;;
esac
# Ignore existing files.
if [ ! -e "${name}" ]; then
# Create stuff based on its type.
case "${type}" in
dir)
mkdir "${name}"
;;
file)
:> "${name}"
;;
dev)
case "${dtype}" in
char)
mknod "${name}" c ${maj} ${min}
;;
block)
mknod "${name}" b ${maj} ${min}
;;
pipe)
mknod "${name}" p
;;
*)
log_warning_msg "\nUnknown device type: ${dtype}"
;;
esac
;;
*)
log_warning_msg "\nUnknown type: ${type}"
continue
;;
esac
fi
# Set up the permissions, too even if it exist allready
chown ${usr}:${grp} "${name}"
chmod ${perm} "${name}"
done
# Close file descriptor 9 (end redirection)
exec 0>&9 9>&-
return 0
}
################################################################################
# do_mount_virtualfs() #
# #
# Purpose: first mounting process, all the virtual system must be mounted #
# prior anything #
# #
################################################################################
do_mount_virtualfs()
{
if ! mountpoint /run >/dev/null; then
mount /run || failed=1
fi
mkdir -p /run/lock /run/shm
chmod 1777 /run/shm
log_info_msg "Mounting virtual file systems: ${INFO}/run"
if ! mountpoint /proc >/dev/null; then
log_info_msg2 " ${INFO}/proc"
mount -o nosuid,noexec,nodev /proc || failed=1
fi
if ! mountpoint /sys >/dev/null; then
log_info_msg2 " ${INFO}/sys"
mount -o nosuid,noexec,nodev /sys || failed=1
fi
if ! mountpoint /dev >/dev/null; then
log_info_msg2 " ${INFO}/dev"
mount -o mode=0755,nosuid /dev || failed=1
fi
ln -sfn /run/shm /dev/shm
(exit ${failed})
evaluate_retval
}
################################################################################
# do_start_localnet() do_stop_localnet() #
# #
# Purpose: Sets the hostname of the machine and starts the #
# loopback interface. #
################################################################################
do_start_localnet()
{
[ -r /etc/sysconfig/network ] && . /etc/sysconfig/network
[ -r /etc/hostname ] && HOSTNAME=`cat /etc/hostname`
log_info_msg "Bringing up the loopback interface..."
ip addr add 127.0.0.1/8 label lo dev lo
ip link set lo up
evaluate_retval
log_info_msg "Setting hostname to ${HOSTNAME}..."
hostname ${HOSTNAME}
evaluate_retval
}
do_stop_localnet()
{
log_info_msg "Bringing down the loopback interface..."
ip link set lo down
evaluate_retval
}
################################################################################
# do_load_modules() #
# #
# Purpose: Module auto-loading function #
# #
################################################################################
do_load_modules()
{
# Assure that the kernel has module support.
[ -e /proc/modules ] || return 0
for FILE in /etc/sysconfig/modules /etc/sysconfig/modules.d/*.conf
do
[ ! -f $FILE ] && continue
# Continue with next if there's no modules file or there are no
# valid entries
[ -r $FILE ] || continue
egrep -qv '^($|#)' $FILE || continue
log_info_msg "Loading modules:"
break
done
for FILE in /etc/sysconfig/modules /etc/sysconfig/modules.d/*.conf
do
[ ! -f $FILE ] && continue
[ -r $FILE ] || continue
egrep -qv '^($|#)' $FILE || continue
while read module args; do
# Ignore comments and blank lines.
case "$module" in
""|"#"*) continue ;;
esac
# Attempt to load the module, passing any arguments provided.
modprobe ${module} ${args} >/dev/null
# Print the module name if successful, otherwise take note.
if [ $? -eq 0 ]; then
log_info_msg2 " ${module}"
else
failedmod="${failedmod} ${module}"
fi
done < $FILE
done
# fi
# Print a message about successfully loaded modules on the correct line.
log_success_msg2
# Print a failure message with a list of any modules that
# may have failed to load.
if [ -n "${failedmod}" ]; then
log_failure_msg "Failed to load modules:${failedmod}"
fi
return 0
}
################################################################################
# do_start_udev do_stop_udev #
# #
# Purpose: Udev cold-plugging start and shutdown functions #
# #
################################################################################
do_start_udev()
{
log_info_msg "Populating /dev with device nodes... "
if ! grep -q '[[:space:]]sysfs' /proc/mounts; then
log_failure_msg2
msg="FAILURE:\n\nUnable to create "
msg="${msg}devices without a SysFS filesystem\n\n"
msg="${msg}After you press Enter, this system "
msg="${msg}will be halted and powered off.\n\n"
log_info_msg "$msg"
log_info_msg "Press Enter to continue..."
wait_for_user
/etc/rc.d/init.d/halt stop
fi
# Udev handles uevents itself, so we don't need to have
# the kernel call out to any binary in response to them
[ -f /proc/sys/kernel/hotplug ] && echo > /proc/sys/kernel/hotplug
# Start the udev daemon to continually watch for, and act on,
# uevents
/sbin/udevd --daemon --resolve-names=never
# Now traverse /sys in order to "coldplug" devices that have
# already been discovered
/sbin/udevadm trigger --action=add --type=subsystems
/sbin/udevadm trigger --action=add --type=devices
/sbin/udevadm trigger --action=change --type=devices
# Now wait for udevd to process the uevents we triggered
if ! is_true "$OMIT_UDEV_SETTLE"; then
/sbin/udevadm settle
fi
# If any LVM based partitions are on the system, ensure they
# are activated so they can be used.
if [ -x /sbin/vgchange ]; then /sbin/vgchange -a y >/dev/null; fi
log_success_msg2
}
do_stop_udev()
{
udevadm control --exit
udevadm info --cleanup-db
}
################################################################################
# do_start_clock() do_stop_clock() #
# #
# Purpose: On boot, system time is obtained from hwclock. The #
# hardware clock can also be set on shutdown. #
################################################################################
do_start_clock()
{
[ -r /etc/sysconfig/clock ] && . /etc/sysconfig/clock
case "${UTC}" in
yes|true|1)
CLOCKPARAMS="${CLOCKPARAMS} --utc"
CLOCKMODE="utc"
;;
no|false|0)
CLOCKPARAMS="${CLOCKPARAMS} --localtime"
CLOCKMODE="localtime"
;;
esac
hwclock --hctosys ${CLOCKPARAMS} >/dev/null
log_info_msg "Setting hardware clock to ${CLOCKMODE}..."
evaluate_retval
}
do_stop_clock()
{
log_info_msg "Setting hardware clock..."
hwclock --systohc ${CLOCKPARAMS} >/dev/null
evaluate_retval
}
################################################################################
# do_start_checkfs() #
# #
# Purpose: Checks local filesystmes before mounting. #
# #
################################################################################
do_start_checkfs()
{
if [ -f /fastboot ]; then
msg="/fastboot found, will omit "
msg="${msg} file system checks as requested.\n"
log_info_msg "${msg}"
return 0
fi
log_info_msg "Mounting root file system in read-only mode... "
mount -n -o remount,ro / >/dev/null
if [ ${?} != 0 ]; then
log_failure_msg2
msg="\n\nCannot check root "
msg="${msg}filesystem because it could not be mounted "
msg="${msg}in read-only mode.\n\n"
msg="${msg}After you press Enter, this system will be "
msg="${msg}halted and powered off.\n\n"
log_failure_msg "${msg}"
log_info_msg "Press Enter to continue..."
wait_for_user
/etc/rc.d/init.d/halt stop
else
log_success_msg2
fi
if [ -f /forcefsck ]; then
msg="\n/forcefsck found, forcing file"
msg="${msg} system checks as requested."
log_success_msg "$msg"
options="-f"
else
options=""
fi
log_info_msg "Checking file systems..."
# Note: -a option used to be -p; but this fails e.g. on fsck.minix
if is_true "$VERBOSE_FSCK"; then
fsck ${options} -a -A -C -T
else
fsck ${options} -a -A -C -T >/dev/null
fi
error_value=${?}
if [ "${error_value}" = 0 ]; then
log_success_msg2
fi
if [ "${error_value}" = 1 ]; then
msg="\nWARNING:\n\nFile system errors "
msg="${msg}were found and have been corrected.\n"
msg="${msg}You may want to double-check that "
msg="${msg}everything was fixed properly."
log_warning_msg "$msg"
fi
if [ "${error_value}" = 2 -o "${error_value}" = 3 ]; then
msg="\nWARNING:\n\nFile system errors "
msg="${msg}were found and have been been "
msg="${msg}corrected, but the nature of the "
msg="${msg}errors require this system to be rebooted.\n\n"
msg="${msg}After you press enter, "
msg="${msg}this system will be rebooted\n\n"
log_failure_msg "$msg"
log_info_msg "Press Enter to continue..."
wait_for_user
reboot -f
fi
if [ "${error_value}" -gt 3 -a "${error_value}" -lt 16 ]; then
msg="\nFAILURE:\n\nFile system errors "
msg="${msg}were encountered that could not be "
msg="${msg}fixed automatically. This system "
msg="${msg}cannot continue to boot and will "
msg="${msg}therefore be halted until those "
msg="${msg}errors are fixed manually by a "
msg="${msg}System Administrator.\n\n"
msg="${msg}After you press Enter, this system will be "
msg="${msg}halted and powered off.\n\n"
log_failure_msg "$msg"
log_info_msg "Press Enter to continue..."
wait_for_user
/etc/rc.d/init.d/halt stop
fi
if [ "${error_value}" -ge 16 ]; then
msg="\nFAILURE:\n\nUnexpected Failure "
msg="${msg}running fsck. Exited with error "
msg="${msg} code: ${error_value}."
log_failure_msg $msg
return ${error_value}
fi
return 0
}
do_start_mountfs()
{
log_info_msg "Remounting root file system in read-write mode..."
mount -o remount,rw / >/dev/null
evaluate_retval
# Remove fsck-related file system watermarks.
rm -f /fastboot /forcefsck
# Make sure /dev/pts exists
mkdir -p /dev/pts
# This will mount all filesystems that do not have _netdev in
# their option list. _netdev denotes a network filesystem.
log_info_msg "Mounting remaining file systems..."
mount -a -O no_netdev >/dev/null
evaluate_retval
return $failed
}
do_stop_mountfs()
{
# Don't unmount virtual file systems like /run
log_info_msg "Unmounting all other currently mounted file systems..."
umount -a -d -r -t notmpfs,nosysfs,nodevtmpfs,noproc,nodevpts >/dev/null
evaluate_retval
# Make sure / is mounted read only (umount bug)
log_info_msg "Remonting root file system in read-only mode..."
mount -o remount,ro /
evaluate_retval
# Make all LVM volume groups unavailable, if appropriate
# This fails if swap or / are on an LVM partition
#if [ -x /sbin/vgchange ]; then /sbin/vgchange -an > /dev/null; fi
}
do_start_cleanfs()
{
log_info_msg "Cleaning file systems:"
if [ "${SKIPTMPCLEAN}" = "" ]; then
log_info_msg2 " /tmp"
chmod 1777 /tmp
cd /tmp &&
find . -xdev -mindepth 1 ! -name lost+found -delete || failed=1
fi
> /var/run/utmp
if grep -q '^utmp:' /etc/group ; then
chmod 664 /var/run/utmp
chgrp utmp /var/run/utmp
fi
(return ${failed})
evaluate_retval
if egrep -qv '^(#|$)' /etc/sysconfig/createfiles 2>/dev/null; then
log_info_msg "Creating files and directories... "
create_files # Always returns 0
evaluate_retval
fi
return $failed
}
###############################################################################
# do_start_udev_retry() #
# Description: Replays any failed uevents that were skipped due to #
# slow hardware initialization, and creates those needed #
# device nodes #
###############################################################################
do_start_udev_retry()
{
log_info_msg "Retrying failed uevents, if any..."
# As of udev-186, the --run option is no longer valid
#rundir=$(/sbin/udevadm info --run)
rundir=/run/udev
# From Debian: "copy the rules generated before / was mounted
# read-write":
for file in ${rundir}/tmp-rules--*; do
dest=${file##*tmp-rules--}
[ "$dest" = '*' ] && break
cat $file >> /etc/udev/rules.d/$dest
rm -f $file
done
# Re-trigger the uevents that may have failed,
# in hope they will succeed now
/bin/sed -e 's/#.*$//' /etc/sysconfig/udev_retry | /bin/grep -v '^$' | \
while read line ; do
for subsystem in $line ; do
/sbin/udevadm trigger --subsystem-match=$subsystem --action=add
done
done
# Now wait for udevd to process the uevents we triggered
if ! is_true "$OMIT_UDEV_RETRY_SETTLE"; then
/sbin/udevadm settle
fi
evaluate_retval
}
################################################################################
# do_start_swap() do_stop_swap() #
# #
# Description: Mounts and unmounts swap partitions defined in #
# /etc/fstab. #
################################################################################
do_start_swap()
{
log_info_msg "Activating all swap files/partitions..."
swapon -a
evaluate_retval
}
do_stop_swap()
{
log_info_msg "Deactivating all swap files/partitions..."
swapoff -a
evaluate_retval
}
do_start_console()
{
failed=0
[ -r /etc/sysconfig/console ] && . /etc/sysconfig/console
# See if we need to do anything
if [ -z "${KEYMAP}" ] && [ -z "${KEYMAP_CORRECTIONS}" ] &&
[ -z "${FONT}" ] && [ -z "${LEGACY_CHARSET}" ] &&
! is_true "${UNICODE}"; then
return 0
fi
# There should be no bogus failures below this line!
log_info_msg "Setting up Linux console..."
# Figure out if a framebuffer console is used
[ -d /sys/class/graphics/fb0 ] && use_fb=1 || use_fb=0
# Figure out the command to set the console into the
# desired mode
is_true "${UNICODE}" &&
MODE_COMMAND="echo -en '\033%G' && kbd_mode -u" ||
MODE_COMMAND="echo -en '\033%@\033(K' && kbd_mode -a"
# On framebuffer consoles, font has to be set for each vt in
# UTF-8 mode. This doesn't hurt in non-UTF-8 mode also.
! is_true "${use_fb}" || [ -z "${FONT}" ] ||
MODE_COMMAND="${MODE_COMMAND} && setfont ${FONT}"
# Apply that command to all consoles mentioned in
# /etc/inittab. Important: in the UTF-8 mode this should
# happen before setfont, otherwise a kernel bug will
# show up and the unicode map of the font will not be
# used.
for TTY in `grep '^[^#].*respawn:/sbin/agetty' /etc/inittab |
grep -o '\btty[[:digit:]]*\b'`
do
openvt -f -w -c ${TTY#tty} -- \
/bin/sh -c "${MODE_COMMAND}" || failed=1
done
# Set the font (if not already set above) and the keymap
[ "${use_fb}" == "1" ] || [ -z "${FONT}" ] || setfont $FONT || failed=1
[ -z "${KEYMAP}" ] ||
loadkeys ${KEYMAP} >/dev/null 2>&1 ||
failed=1
[ -z "${KEYMAP_CORRECTIONS}" ] ||
loadkeys ${KEYMAP_CORRECTIONS} >/dev/null 2>&1 ||
failed=1
# Convert the keymap from $LEGACY_CHARSET to UTF-8
[ -z "$LEGACY_CHARSET" ] ||
dumpkeys -c "$LEGACY_CHARSET" | loadkeys -u >/dev/null 2>&1 ||
failed=1
# If any of the commands above failed, the trap at the
# top would set $failed to 1
( return $failed )
evaluate_retval
return $failed
}
################################################################################
# do_start_sysctl() #
# #
# Description : File uses /etc/sysctl.conf to set kernel runtime #
# #
################################################################################
do_start_sysctl()
{
if [ -f "/etc/sysctl.conf" ]; then
log_info_msg "Setting kernel runtime parameters..."
sysctl -q -p
evaluate_retval
fi
}
################################################################################
# do_start_network() #
# #
# Description: Start the network depending on what's available nothing, wicd #
# or networkmanager #
# #
################################################################################
do_config_network()
{
NETWORKCONFIG_FILE="/etc/sysconfig/network"
if [ ! -f /etc/sysconfig/network ]; then
cat > ${NETWORKCONFIG_FILE} << "EOF"
HOSTNAME='milis'
MANAGER='cli'
EOF
fi
# Network configuration
. ${NETWORKCONFIG_FILE}
NM_PIDFILE="/var/run/NetworkManager.pid"
WICD_PIDFILE="/var/run/wicd/wicd.pid"
if [ "${MANAGER}" == "" ]; then
MANAGER="cli"
if [ -f /usr/sbin/NetworkManager ]; then
MANAGER="networkmanager"
fi
if [ -f /usr/bin/wicd ]; then
MANAGER="wicd"
fi
fi
}
do_start_network()
{
do_config_network
case "${MANAGER}" in
networkmanager)
if [ -f /usr/sbin/NetworkManager ]; then
if [ ! -d /var/run/NetworkManager ]; then
install -d -o root -g root -m 755 /var/run/NetworkManager
fi
log_info_msg "Starting NetworkManager daemon..."
start_daemon /usr/sbin/NetworkManager
if [ "${NETWORKWAIT}" == "yes" ]; then
[ -z "${LINKDELAY}" ] && LINKDELAY=10
log_info_msg "Waiting for network..."
nm-online -q --timeout=$LINKDELAY || nm-online -q -x --timeout=30
[ "$?" = "0" ] && log_success_msg "Network startup" || log_failure_msg "Network startup"
[ -n "${NETWORKDELAY}" ] && /bin/sleep ${NETWORKDELAY}
fi
else
echo "the package networkmanager seems not to be install"
echo "check the ${NETWORKCONFIG_FILE} file"
fi
;;
wicd)
if [ -f /usr/bin/wicd ]; then
if [ -e $WICD_PIDFILE ]; then
echo "Wicd appears to already be running"
echo "If this is NOT the case, then remove"
echo "$WICD_PIDFILE, check the ${NETWORKCONFIG_FILE} file"
echo "and try again"
else
log_info_msg "Starting the wicd Daemon..."
start_daemon /usr/bin/wicd 1>/dev/null
evaluate_retval
if grep -v ^# /etc/fstab | grep _netdev > /dev/null; then
while ! grep "nameserver" /etc/resolv.conf ;
do
if [ $NETWORKDELAY -gt 0 ]; then
sleep 1
echo -n .
let NETWORKDELAY=$NETWORKDELAY-1
if [ $NETWORKDELAY -lt 1 ]; then
log_failure_msg2 "Time out"
exit 1
fi
fi
done
log_success_msg2 "Network successfully configured..."
fi
fi
else
echo "the package wicd seems not to be install"
echo "check the ${NETWORKCONFIG_FILE} file"
fi
;;
cli)
# Start all network interfaces
for file in /etc/sysconfig/ifconfig.*
do
interface=${file##*/ifconfig.}
# Skip if $file is * (because nothing was found)
if [ "${interface}" = "*" ]; then
continue
fi
if [ -f /etc/wpa_supplicant.conf.${interface} ] && [ -x /sbin/wpa_supplicant ]; then
wpa_supplicant -B -c/etc/wpa_supplicant.conf.${interface} -i${interface} \
-P /var/run/wpa_supplicant.${interface}
sleep 2
fi
/sbin/ifup ${interface}
done
;;
esac
}
do_stop_network()
{
do_config_network
case "${MANAGER}" in
networkmanager)
if [ -f /usr/sbin/NetworkManager ]; then
log_info_msg "Stopping NetworkManager daemon..."
killproc /usr/sbin/NetworkManager
else
echo "the package networkmanager seems not to be install"
echo "check the ${NETWORKCONFIG_FILE} file"
fi
;;
wicd)
if [ -e $WICD_PIDFILE ]; then
log_info_msg "Stopping the wicd Daemon..."
wicd-cli -xyz 1>/dev/null
kill $(cat $WICD_PIDFILE)
evaluate_retval
else
echo "wicd appears not to be running..."
echo "check the ${NETWORKCONFIG_FILE} file"
fi
;;
cli)
# Reverse list
net_files=""
for file in /etc/sysconfig/ifconfig.*
do
net_files="${file} ${net_files}"
done
# Stop all network interfaces
for file in ${net_files}
do
interface=${file##*/ifconfig.}
# Skip if $file is * (because nothing was found)
if [ "${interface}" = "*" ]; then
continue
fi
/sbin/ifdown ${interface}
if [ -f /var/run/wpa_supplicant.${interface} ]; then
kill `cat /var/run/wpa_supplicant.${interface}`
fi
done
;;
esac
}
################################################################################
# print_file_system() #
# #
# Purpose: printout the file system of the partition passed as argument #
# #
# Return value: #
# - the file system name #
# - "no" if not found #
################################################################################
print_file_system() {
local PI FS
PI=`/sbin/blkid ${1}`
for param in $PI; do
case $param in TYPE=*)
FS=`echo ${param#TYPE=}|sed s/\"//g`;;
esac
done
if [ "$FS" == "" ]; then
echo "no"
else
echo $FS
fi
}
# End /lib/services/init-functions