455 lines
9.8 KiB
Bash
455 lines
9.8 KiB
Bash
# -*-Shell-script-*-
|
|
#
|
|
# functions This file contains functions to be used by most or all
|
|
# shell scripts in the /etc/init.d directory.
|
|
#
|
|
# Author: Miquel van Smoorenburg, <miquels@drinkel.nl.mugnet.org>
|
|
# Hacked by: Greg Galloway and Marc Ewing
|
|
#
|
|
# i18n originally by: Arnaldo Carvalho de Melo <acme@conectiva.com.br>,
|
|
# Wanderlei Antonio Cavassin
|
|
|
|
TEXTDOMAIN=initscripts
|
|
TEXTDOMAINDIR=/etc/locale
|
|
|
|
# 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 "${LANG:-}" in
|
|
ja_JP.eucJP|ko_KR.eucKR|zh_CN.GB2312|zh_TW.Big5|zh_CN.GB18030)
|
|
unset LANG;;
|
|
*)
|
|
export LANG
|
|
esac
|
|
else
|
|
export LANG
|
|
fi
|
|
fi
|
|
|
|
# Read in our configuration
|
|
if [ -z "${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"
|
|
else
|
|
INITLOG_ARGS=
|
|
fi
|
|
|
|
# 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 "${force:-}" ] && return
|
|
|
|
# make sure it doesn't core dump anywhere; while this could mask
|
|
# problems with the daemon, it also closes some security problems
|
|
ulimit -S -c 0 >/dev/null 2>&1
|
|
|
|
# Echo daemon
|
|
[ "${BOOTUP:-}" = "verbose" -a -z "$LSB" ] && echo -n " $base"
|
|
|
|
# And start it up.
|
|
if [ -z "$user" ]; then
|
|
$nice initlog $INITLOG_ARGS -c "$*"
|
|
else
|
|
$nice initlog $INITLOG_ARGS -c "su -s /bin/bash - $user -c \"$*\""
|
|
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
|
|
usleep 100000
|
|
if checkpid $pid && sleep 1 &&
|
|
checkpid $pid && sleep 3 &&
|
|
checkpid $pid ; then
|
|
kill -KILL $pid
|
|
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 $pid
|
|
RC=$?
|
|
[ "$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 $base
|
|
}
|
|
|
|
status() {
|
|
local base=${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 ${base}`
|
|
if [ -n "$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" ] && $SETCOLOR_NORMAL
|
|
echo -n "]"
|
|
echo -ne "\r"
|
|
return 1
|
|
}
|
|
|
|
# Log that something succeeded
|
|
success() {
|
|
if [ -z "${IN_INITLOG:-}" ]; then
|
|
initlog $INITLOG_ARGS -n $0 -s "$1" -e 1
|
|
else
|
|
# silly hack to avoid EPIPE killing rc.sysinit
|
|
trap "" SIGPIPE
|
|
echo "$INITLOG_ARGS -n $0 -s \"$1\" -e 1" >&21
|
|
trap - SIGPIPE
|
|
fi
|
|
[ "$BOOTUP" != "verbose" -a -z "$LSB" ] && echo_success
|
|
return 0
|
|
}
|
|
|
|
# Log that something failed
|
|
failure() {
|
|
rc=$?
|
|
if [ -z "${IN_INITLOG:-}" ]; then
|
|
initlog $INITLOG_ARGS -n $0 -s "$1" -e 2
|
|
else
|
|
trap "" SIGPIPE
|
|
echo "$INITLOG_ARGS -n $0 -s \"$1\" -e 2" >&21
|
|
trap - SIGPIPE
|
|
fi
|
|
[ "$BOOTUP" != "verbose" -a -z "$LSB" ] && echo_failure
|
|
return $rc
|
|
}
|
|
|
|
# Log that something passed, but may have had errors. Useful for fsck
|
|
passed() {
|
|
rc=$?
|
|
if [ -z "${IN_INITLOG:-}" ]; then
|
|
initlog $INITLOG_ARGS -n $0 -s "$1" -e 1
|
|
else
|
|
trap "" SIGPIPE
|
|
echo "$INITLOG_ARGS -n $0 -s \"$1\" -e 1" >&21
|
|
trap - SIGPIPE
|
|
fi
|
|
[ "$BOOTUP" != "verbose" -a -z "$LSB" ] && echo_passed
|
|
return $rc
|
|
}
|
|
|
|
# Log a warning
|
|
warning() {
|
|
rc=$?
|
|
if [ -z "${IN_INITLOG:-}" ]; then
|
|
initlog $INITLOG_ARGS -n $0 -s "$1" -e 1
|
|
else
|
|
trap "" SIGPIPE
|
|
echo "$INITLOG_ARGS -n $0 -s \"$1\" -e 1" >&21
|
|
trap - SIGPIPE
|
|
fi
|
|
[ "$BOOTUP" != "verbose" -a -z "$LSB" ] && echo_warning
|
|
return $rc
|
|
}
|
|
|
|
# Run some action. Log its output.
|
|
action() {
|
|
STRING=$1
|
|
echo -n "$STRING "
|
|
shift
|
|
initlog $INITLOG_ARGS -c "$*" && success $"$STRING" || failure $"$STRING"
|
|
rc=$?
|
|
echo
|
|
return $rc
|
|
}
|
|
|
|
# returns OK if $1 contains $2
|
|
strstr() {
|
|
#case "$1" in
|
|
# *${2}*) return 0 ;;
|
|
#esac
|
|
#return 1
|
|
[ "$1" = "$2" ] && return 0
|
|
slice=${1#*$2*}
|
|
[ "$slice" = "$1" ] && return 1
|
|
return 0
|
|
}
|
|
|
|
# Confirm whether we really want to run this service
|
|
confirm() {
|
|
local YES=$"yY"
|
|
local NO=$"nN"
|
|
local CONT=$"cC"
|
|
|
|
while : ; do
|
|
echo -n $"Start service $1 (Y)es/(N)o/(C)ontinue? [Y] "
|
|
read answer
|
|
if strstr "$YES" "$answer" || [ "$answer" = "" ] ; then
|
|
return 0
|
|
elif strstr "$CONT" "$answer" ; then
|
|
return 2
|
|
elif strstr "$NO" "$answer" ; then
|
|
return 1
|
|
fi
|
|
done
|
|
}
|