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# -*-Shell-script-*-
#
# cpfunctions This file contains functions to be used by most or all
# shell scripts in the /etc/init.d directory.
#
TEXTDOMAIN=initscripts
# Make sure umask is sane
umask 022
# Set up a default search path.
PATH="/sbin:/usr/sbin:/bin:/usr/bin:/usr/X11R6/bin"
export PATH
# Get a sane screen width
[ -z "${COLUMNS:-}" ] && COLUMNS=80
[ -z "${CONSOLETYPE:-}" ] && CONSOLETYPE="`/sbin/consoletype`"
if [ -f /etc/sysconfig/i18n -a -z "${NOLOCALE:-}" ] ; then
. /etc/sysconfig/i18n
if [ "$CONSOLETYPE" != "pty" ]; then
case "${LANG:-}" in
ja_JP*|ko_KR*|zh_CN*|zh_TW*|bn_*|bd_*|pa_*|hi_*|ta_*|gu_*)
export LC_MESSAGES=en_US
export LANG
;;
*)
export LANG
;;
esac
else
[ -n "$LC_MESSAGES" ] && export LC_MESSAGES
export LANG
fi
fi
# Read in our configuration
if [ -z "${BOOTUP:-}" ]; then
if [ -f /etc/sysconfig/init ]; then
. /etc/sysconfig/init
else
# This all seem confusing? Look in /etc/sysconfig/init,
# or in /usr/doc/initscripts-*/sysconfig.txt
BOOTUP=color
RES_COL=60
MOVE_TO_COL="echo -en \\033[${RES_COL}G"
SETCOLOR_SUCCESS="echo -en \\033[1;32m"
SETCOLOR_FAILURE="echo -en \\033[1;31m"
SETCOLOR_WARNING="echo -en \\033[1;33m"
SETCOLOR_NORMAL="echo -en \\033[0;39m"
LOGLEVEL=1
fi
if [ "$CONSOLETYPE" = "serial" ]; then
BOOTUP=serial
MOVE_TO_COL=
SETCOLOR_SUCCESS=
SETCOLOR_FAILURE=
SETCOLOR_WARNING=
SETCOLOR_NORMAL=
fi
fi
if [ "${BOOTUP:-}" != "verbose" ]; then
INITLOG_ARGS="-q"
LOGGER_ARGS=
else
INITLOG_ARGS=
LOGGER_ARGS="-s"
fi
LOGGER=$(which logger 2>/dev/null)
# Check if $pid (could be plural) are running
checkpid() {
local i
for i in $* ; do
[ -d "/proc/$i" ] && return 0
done
return 1
}
# A function to start a program.
daemon() {
# Test syntax.
local gotbase= force=
local base= user= nice= bg= pid=
nicelevel=0
while [ "$1" != "${1##[-+]}" ]; do
case $1 in
'') echo $"$0: Usage: daemon [+/-nicelevel] {program}"
return 1;;
--check)
base=$2
gotbase="yes"
shift 2
;;
--check=?*)
base=${1#--check=}
gotbase="yes"
shift
;;
--user)
user=$2
shift 2
;;
--user=?*)
user=${1#--user=}
shift
;;
--force)
force="force"
shift
;;
[-+][0-9]*)
nice="nice -n $1"
shift
;;
*) echo $"$0: Usage: daemon [+/-nicelevel] {program}"
return 1;;
esac
done
# Save basename.
[ -z "$gotbase" ] && base=${1##*/}
# See if it's already running. Look *only* at the pid file.
if [ -f /var/run/${base}.pid ]; then
local line p
read line < /var/run/${base}.pid
for p in $line ; do
[ -z "${p//[0-9]/}" -a -d "/proc/$p" ] && pid="$pid $p"
done
fi
[ -n "${pid:-}" -a -z "${force:-}" ] && return
# make sure it doesn't core dump anywhere unless requested
ulimit -S -c ${DAEMON_COREFILE_LIMIT:-0} >/dev/null 2>&1
# if they set NICELEVEL in /etc/sysconfig/foo, honor it
[ -n "$NICELEVEL" ] && nice="nice -n $NICELEVEL"
# Echo daemon
[ "${BOOTUP:-}" = "verbose" -a -z "$LSB" ] && echo -n " $base"
# And start it up.
if [ -z "$user" ]; then
if [ -z $LOGGER ]; then
$nice initlog $INITLOG_ARGS -c "$*"
else
$nice $* 2>&1 | grep -v '[^:]+: \(|[=]+\|Setting filetype\)' | grep -v '^[-\\\|\/]' | $LOGGER $LOGGER_ARGS -p local7.notice -t $1
fi
else
if [ -z $LOGGER ]; then
$nice initlog $INITLOG_ARGS -c "runuser -s /bin/bash - $user -c \"$*\""
else
$nice runuser -s /bin/bash - $user -c "$*" 2>&1 | grep -v '[^:]+: \(|[=]+\|Setting filetype\)' | grep -v '^[-\\\|\/]' | $LOGGER $LOGGER_ARGS -p local7.notice -t $1
fi
fi
[ "$?" -eq 0 ] && success $"$base startup" || failure $"$base startup"
}
# A function to stop a program.
killproc() {
RC=0
# Test syntax.
if [ "$#" -eq 0 ]; then
echo $"Usage: killproc {program} [signal]"
return 1
fi
notset=0
# check for second arg to be kill level
if [ -n "$2" ]; then
killlevel=$2
else
notset=1
killlevel="-9"
fi
# Save basename.
base=${1##*/}
# Find pid.
pid=
if [ -f /var/run/${base}.pid ]; then
local line p
read line < /var/run/${base}.pid
for p in $line ; do
[ -z "${p//[0-9]/}" -a -d "/proc/$p" ] && pid="$pid $p"
done
fi
if [ -z "$pid" ]; then
pid=`pidof -o $$ -o $PPID -o %PPID -x $1 || \
pidof -o $$ -o $PPID -o %PPID -x $base`
fi
# Kill it.
if [ -n "${pid:-}" ] ; then
[ "$BOOTUP" = "verbose" -a -z "$LSB" ] && echo -n "$base "
if [ "$notset" -eq "1" ] ; then
if checkpid $pid 2>&1; then
# TERM first, then KILL if not dead
kill -TERM $pid >/dev/null 2>&1
usleep 100000
if checkpid $pid && sleep 1 &&
checkpid $pid && sleep 3 &&
checkpid $pid ; then
kill -KILL $pid >/dev/null 2>&1
usleep 100000
fi
fi
checkpid $pid
RC=$?
[ "$RC" -eq 0 ] && failure $"$base shutdown" || success $"$base shutdown"
RC=$((! $RC))
# use specified level only
else
if checkpid $pid; then
kill $killlevel $pid >/dev/null 2>&1
RC=$?
[ "$RC" -eq 0 ] && success $"$base $killlevel" || failure $"$base $killlevel"
fi
fi
else
failure $"$base shutdown"
RC=1
fi
# Remove pid file if any.
if [ "$notset" = "1" ]; then
rm -f /var/run/$base.pid
fi
return $RC
}
# A function to find the pid of a program. Looks *only* at the pidfile
pidfileofproc() {
local base=${1##*/}
# Test syntax.
if [ "$#" = 0 ] ; then
echo $"Usage: pidfileofproc {program}"
return 1
fi
# First try "/var/run/*.pid" files
if [ -f /var/run/$base.pid ] ; then
local line p pid=
read line < /var/run/$base.pid
for p in $line ; do
[ -z "${p//[0-9]/}" -a -d /proc/$p ] && pid="$pid $p"
done
if [ -n "$pid" ]; then
echo $pid
return 0
fi
fi
}
# A function to find the pid of a program.
pidofproc() {
base=${1##*/}
# Test syntax.
if [ "$#" = 0 ]; then
echo $"Usage: pidofproc {program}"
return 1
fi
# First try "/var/run/*.pid" files
if [ -f /var/run/$base.pid ]; then
local line p pid=
read line < /var/run/$base.pid
for p in $line ; do
[ -z "${p//[0-9]/}" -a -d /proc/$p ] && pid="$pid $p"
done
if [ -n "$pid" ]; then
echo $pid
return 0
fi
fi
pidof -o $$ -o $PPID -o %PPID -x $1 || \
pidof -o $$ -o $PPID -o %PPID -x $base
}
# Calls a script to determine if a service is running
# and if pid file is accurate
# Takes:
# user
# process
# pid file
# regex to distinguish process
# Returns:
# 0 - Process is running
# 1 - Invalid call
# 2 - Process not running
# 3 - Process running; pid file does not match
# 4 - Process running; no pid file
verify_pidfile() {
local rc=
/scripts/verify_pidfile $1 $2 $3 $4 >/dev/null 2>&1
rc=$?
return $rc
}
already_running() {
local rc=
verify_pidfile $@; rc=$?
if [ $rc = 0 -o $rc = 3 -o $rc = 4 ]; then
return 1
fi
return 0
}
status() {
local base=${1##*/}
local pid
# Test syntax.
if [ "$#" = 0 ] ; then
echo $"Usage: status {program}"
return 1
fi
# First try "pidof"
pid=`pidof -o $$ -o $PPID -o %PPID -x $1 || \
pidof -o $$ -o $PPID -o %PPID -x ${base}`
pid=`echo $pid | sed 's/\n//'`
if [ -n "$pid" ]; then
echo $"${base} (pid $pid) is running..."
return 0
fi
# Next try "/var/run/*.pid" files
if [ -f /var/run/${base}.pid ] ; then
read pid < /var/run/${base}.pid
if [ -n "$pid" ]; then
echo $"${base} dead but pid file exists"
return 1
fi
fi
# See if /var/lock/subsys/${base} exists
if [ -f /var/lock/subsys/${base} ]; then
echo $"${base} dead but subsys locked"
return 2
fi
echo $"${base} is stopped"
return 3
}
echo_success() {
[ "$BOOTUP" = "color" ] && $MOVE_TO_COL
echo -n "[ "
[ "$BOOTUP" = "color" ] && $SETCOLOR_SUCCESS
echo -n $"OK"
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
echo -n " ]"
echo -ne "\r"
return 0
}
echo_failure() {
[ "$BOOTUP" = "color" ] && $MOVE_TO_COL
echo -n "["
[ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
echo -n $"FAILED"
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
echo -n "]"
echo -ne "\r"
return 1
}
echo_passed() {
[ "$BOOTUP" = "color" ] && $MOVE_TO_COL
echo -n "["
[ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
echo -n $"PASSED"
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
echo -n "]"
echo -ne "\r"
return 1
}
echo_warning() {
[ "$BOOTUP" = "color" ] && $MOVE_TO_COL
echo -n "["
[ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
echo -n $"WARNING"
[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
echo -n "]"
echo -ne "\r"
return 1
}
# Inform the graphical boot of our current state
update_boot_stage() {
if [ "$GRAPHICAL" = "yes" -a -x /usr/bin/rhgb-client ]; then
/usr/bin/rhgb-client --update="$1"
fi
return 0
}
# Log that something succeeded
success() {
if [ -z "${IN_INITLOG:-}" ]; then
if [ -z $LOGGER ]; then
initlog $INITLOG_ARGS -n $0 -s "$1" -e 1
else
$LOGGER $LOGGER_ARGS -t $0 -- "$1 succeeded"
fi
else
# silly hack to avoid EPIPE killing rc.sysinit
trap "" SIGPIPE
if [ -z $LOGGER ]; then
echo "$INITLOG_ARGS -n $0 -s \"$1\" -e 1" >&21
else
echo "$LOGGER $LOGGER_ARGS -t $0 -- \"$1 succeeded\"" >&21
fi
trap - SIGPIPE
fi
[ "$BOOTUP" != "verbose" -a -z "$LSB" ] && echo_success
return 0
}
# Log that something failed
failure() {
rc=$?
if [ -z "${IN_INITLOG:-}" ]; then
if [ -z $LOGGER ]; then
initlog $INITLOG_ARGS -n $0 -s "$1" -e 2
else
$LOGGER $LOGGER_ARGS -t $0 -- "$1 failed"
fi
else
trap "" SIGPIPE
if [ -z $LOGGER ]; then
echo "$INITLOG_ARGS -n $0 -s \"$1\" -e 2" >&21
else
echo "$LOGGER $LOGGER_ARGS -t $0 -- \"$1 failed\"" >&21
fi
trap - SIGPIPE
fi
[ "$BOOTUP" != "verbose" -a -z "$LSB" ] && echo_failure
[ -x /usr/bin/rhgb-client ] && /usr/bin/rhgb-client --details=yes
return $rc
}
# Log that something passed, but may have had errors. Useful for fsck
passed() {
rc=$?
if [ -z "${IN_INITLOG:-}" ]; then
if [ -z $LOGGER ]; then
initlog $INITLOG_ARGS -n $0 -s "$1" -e 1
else
$LOGGER $LOGGER_ARGS -t $0 -- "$1 succeeded"
fi
else
trap "" SIGPIPE
if [ -z $LOGGER ]; then
echo "$INITLOG_ARGS -n $0 -s \"$1\" -e 1" >&21
else
echo "$LOGGER $LOGGER_ARGS -t $0 -- \"$1 succeeded\"" >&21
fi
trap - SIGPIPE
fi
[ "$BOOTUP" != "verbose" -a -z "$LSB" ] && echo_passed
return $rc
}
# Log a warning
warning() {
rc=$?
if [ -z "${IN_INITLOG:-}" ]; then
if [ -z $LOGGER ]; then
initlog $INITLOG_ARGS -n $0 -s "$1" -e 1
else
$LOGGER $LOGGER_ARGS -t $0 -- "$1 succeeded"
fi
else
trap "" SIGPIPE
if [ -z $LOGGER ]; then
echo "$INITLOG_ARGS -n $0 -s \"$1\" -e 1" >&21
else
echo "$LOGGER $LOGGER_ARGS -t $0 -- \"$1 succeeded\"" >&21
fi
trap - SIGPIPE
fi
[ "$BOOTUP" != "verbose" -a -z "$LSB" ] && echo_warning
return $rc
}
# Run some action. Log its output.
action() {
STRING=$1
echo -n "$STRING "
if [ "${RHGB_STARTED}" != "" -a -w /etc/rhgb/temp/rhgb-console ]; then
echo -n "$STRING " > /etc/rhgb/temp/rhgb-console
fi
shift
if [ -z $LOGGER ]; then
initlog $INITLOG_ARGS -c "$*" && success $"$STRING" || failure $"$STRING"
else
$* 2>&1 | grep -v '[^:]+: \(|[=]+\|Setting filetype\)' | grep -v '^[-\\\|\/]' | $LOGGER $LOGGER_ARGS -p local7.notice -t $1 && success $"$STRING" || failure $"$STRING"
fi
rc=$?
echo
if [ "${RHGB_STARTED}" != "" -a -w /etc/rhgb/temp/rhgb-console ]; then
if [ "$rc" = "0" ]; then
echo_success > /etc/rhgb/temp/rhgb-console
else
echo_failure > /etc/rhgb/temp/rhgb-console
[ -x /usr/bin/rhgb-client ] && /usr/bin/rhgb-client --details=yes
fi
echo
fi
return $rc
}
# returns OK if $1 contains $2
strstr() {
[ "${1#*$2*}" = "$1" ] && return 1
return 0
}
# Confirm whether we really want to run this service
confirm() {
[ -x /usr/bin/rhgb-client ] && /usr/bin/rhgb-client --details=yes
while : ; do
echo -n $"Start service $1 (Y)es/(N)o/(C)ontinue? [Y] "
read answer
if strstr $"yY" "$answer" || [ "$answer" = "" ] ; then
return 0
elif strstr $"cC" "$answer" ; then
rm -f /var/run/confirm
[ -x /usr/bin/rhgb-client ] && /usr/bin/rhgb-client --details=no
return 2
elif strstr $"nN" "$answer" ; then
return 1
fi
done
}
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