424 lines
11 KiB
Plaintext
424 lines
11 KiB
Plaintext
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# /lib/lsb/init-functions for Debian -*- shell-script -*-
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#
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#Copyright (c) 2002-08 Chris Lawrence
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#All rights reserved.
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#
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#Redistribution and use in source and binary forms, with or without
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#modification, are permitted provided that the following conditions
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#are met:
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#1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#3. Neither the name of the author nor the names of other contributors
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# may be used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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#THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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#IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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#WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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#ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
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#LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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#CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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#SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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#BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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#WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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#OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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#EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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start_daemon () {
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local force nice pidfile exec args OPTIND
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force=""
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nice=0
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pidfile=/dev/null
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OPTIND=1
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while getopts fn:p: opt ; do
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case "$opt" in
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f) force="force";;
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n) nice="$OPTARG";;
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p) pidfile="$OPTARG";;
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esac
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done
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shift $(($OPTIND - 1))
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if [ "$1" = '--' ]; then
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shift
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fi
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exec="$1"; shift
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args="--start --nicelevel $nice --quiet --oknodo"
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if [ "$force" ]; then
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/sbin/start-stop-daemon $args \
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--chdir "$PWD" --startas $exec --pidfile /dev/null -- "$@"
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elif [ $pidfile ]; then
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/sbin/start-stop-daemon $args \
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--chdir "$PWD" --exec $exec --oknodo --pidfile "$pidfile" -- "$@"
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else
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/sbin/start-stop-daemon $args --chdir "$PWD" --exec $exec -- "$@"
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fi
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}
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pidofproc () {
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local pidfile base status specified pid OPTIND
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pidfile=
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specified=
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OPTIND=1
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while getopts p: opt ; do
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case "$opt" in
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p) pidfile="$OPTARG"
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specified="specified"
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;;
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esac
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done
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shift $(($OPTIND - 1))
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if [ $# -ne 1 ]; then
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echo "$0: invalid arguments" >&2
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return 4
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fi
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base=${1##*/}
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if [ ! "$specified" ]; then
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pidfile="/var/run/$base.pid"
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fi
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if [ -n "${pidfile:-}" ]; then
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if [ -e "$pidfile" ]; then
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if [ -r "$pidfile" ]; then
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read pid < "$pidfile"
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if [ -n "${pid:-}" ]; then
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if $(kill -0 "${pid:-}" 2> /dev/null); then
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echo "$pid" || true
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return 0
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elif ps "${pid:-}" >/dev/null 2>&1; then
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echo "$pid" || true
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return 0 # program is running, but not owned by this user
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else
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return 1 # program is dead and /var/run pid file exists
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fi
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fi
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else
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return 4 # pid file not readable, hence status is unknown.
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fi
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else
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# pid file doesn't exist, try to find the pid nevertheless
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if [ -x /bin/pidof ] && [ ! "$specified" ]; then
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status="0"
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/bin/pidof -c -o %PPID -x $1 || status="$?"
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if [ "$status" = 1 ]; then
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return 3 # program is not running
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fi
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return 0
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fi
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return 3 # specified pid file doesn't exist, program probably stopped
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fi
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fi
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if [ "$specified" ]; then
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return 3 # almost certain it's not running
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fi
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return 4 # Unable to determine status
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}
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# start-stop-daemon uses the same algorithm as "pidofproc" above.
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killproc () {
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local pidfile sig status base name_param is_term_sig OPTIND
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pidfile=
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name_param=
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is_term_sig=
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OPTIND=1
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while getopts p: opt ; do
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case "$opt" in
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p) pidfile="$OPTARG";;
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esac
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done
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shift $(($OPTIND - 1))
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base=${1##*/}
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if [ ! $pidfile ]; then
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name_param="--name $base --pidfile /var/run/$base.pid"
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else
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name_param="--name $base --pidfile $pidfile"
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fi
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sig=${2:-} sig=${sig#-} sig=${sig#SIG}
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if [ "$sig" = 15 ] || [ "$sig" = TERM ]; then
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is_term_sig="terminate_signal"
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fi
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status=0
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if [ ! "$is_term_sig" ]; then
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if [ -n "$sig" ]; then
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/sbin/start-stop-daemon --stop --signal "$sig" \
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--quiet $name_param || status="$?"
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else
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/sbin/start-stop-daemon --stop \
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--retry 5 \
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--quiet $name_param || status="$?"
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fi
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else
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/sbin/start-stop-daemon --stop --quiet \
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--oknodo $name_param || status="$?"
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fi
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if [ "$status" = 1 ]; then
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if [ -z "$sig" ]; then
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return 0
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fi
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return 3 # program is not running
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fi
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if [ "$status" = 0 ] && [ "$is_term_sig" ] && [ "$pidfile" ]; then
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pidofproc -p "$pidfile" "$1" >/dev/null || rm -f "$pidfile"
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fi
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return 0
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}
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# Return LSB status
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status_of_proc () {
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local pidfile daemon name status OPTIND
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pidfile=
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OPTIND=1
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while getopts p: opt ; do
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case "$opt" in
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p) pidfile="$OPTARG";;
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esac
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done
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shift $(($OPTIND - 1))
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if [ -n "$pidfile" ]; then
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pidfile="-p $pidfile"
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fi
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daemon="$1"
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name="$2"
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status="0"
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pidofproc $pidfile $daemon >/dev/null || status="$?"
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if [ "$status" = 0 ]; then
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log_success_msg "$name is running"
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return 0
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elif [ "$status" = 4 ]; then
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log_failure_msg "could not access PID file for $name"
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return $status
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else
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log_failure_msg "$name is not running"
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return $status
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fi
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}
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log_use_fancy_output () {
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if [ -t 1 ] &&
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[ "x${TERM:-}" != "x" ] &&
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[ "x${TERM:-}" != "xdumb" ]
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then
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[ -z $FANCYTTY ] && return 0 || true
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else
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return 1
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fi
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case "$FANCYTTY" in
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1|Y|yes|true) true;;
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*) false;;
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esac
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}
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log_success_msg () {
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if [ -n "${1:-}" ]; then
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log_begin_msg "$@"
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fi
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log_end_msg 0
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}
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log_failure_msg () {
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if [ -n "${1:-}" ]; then
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log_begin_msg "$@" "..."
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fi
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log_end_msg 1 || true
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}
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log_warning_msg () {
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if [ -n "${1:-}" ]; then
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log_begin_msg "$@" "..."
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fi
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log_end_msg 255 || true
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}
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#
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# NON-LSB HELPER FUNCTIONS
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#
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# int get_lsb_header_val (char *scriptpathname, char *key)
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get_lsb_header_val () {
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if [ ! -f "$1" ] || [ -z "${2:-}" ]; then
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return 1
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fi
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LSB_S="### BEGIN INIT INFO"
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LSB_E="### END INIT INFO"
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sed -n "/$LSB_S/,/$LSB_E/ s/# $2: \+\(.*\)/\1/p" "$1"
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}
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# If the currently running init daemon is upstart, return zero; if the
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# calling init script belongs to a package which also provides a native
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# upstart job, it should generally exit non-zero in this case.
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init_is_upstart()
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{
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if [ -x /sbin/initctl ] && /sbin/initctl version 2>/dev/null | /bin/grep -q upstart; then
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return 0
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fi
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return 1
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}
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# int log_begin_message (char *message)
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log_begin_msg () {
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log_begin_msg_pre "$@"
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if [ -z "${1:-}" ]; then
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return 1
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fi
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echo -n "$@" || true
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log_begin_msg_post "$@"
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}
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# Sample usage:
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# log_daemon_msg "Starting GNOME Login Manager" "gdm"
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#
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# On Debian, would output "Starting GNOME Login Manager: gdm"
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# On Ubuntu, would output " * Starting GNOME Login Manager..."
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#
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# If the second argument is omitted, logging suitable for use with
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# log_progress_msg() is used:
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#
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# log_daemon_msg "Starting remote filesystem services"
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#
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# On Debian, would output "Starting remote filesystem services:"
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# On Ubuntu, would output " * Starting remote filesystem services..."
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log_daemon_msg () {
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if [ -z "${1:-}" ]; then
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return 1
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fi
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log_daemon_msg_pre "$@"
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if [ -z "${2:-}" ]; then
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echo -n "$1:" || true
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return
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fi
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echo -n "$1: $2" || true
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log_daemon_msg_post "$@"
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}
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# #319739
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#
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# Per policy docs:
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#
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# log_daemon_msg "Starting remote file system services"
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# log_progress_msg "nfsd"; start-stop-daemon --start --quiet nfsd
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# log_progress_msg "mountd"; start-stop-daemon --start --quiet mountd
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# log_progress_msg "ugidd"; start-stop-daemon --start --quiet ugidd
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# log_end_msg 0
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#
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# You could also do something fancy with log_end_msg here based on the
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# return values of start-stop-daemon; this is left as an exercise for
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# the reader...
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#
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# On Ubuntu, one would expect log_progress_msg to be a no-op.
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log_progress_msg () {
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if [ -z "${1:-}" ]; then
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return 1
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fi
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echo -n " $@" || true
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}
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# int log_end_message (int exitstatus)
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log_end_msg () {
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# If no arguments were passed, return
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if [ -z "${1:-}" ]; then
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return 1
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fi
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log_end_msg_pre "$@"
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# Only do the fancy stuff if we have an appropriate terminal
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if log_use_fancy_output; then
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esc='' # escape character, printf '\033'
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red="$esc[31m" # ANSI color escapes
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yellow="$esc[33m"
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normal="$esc[0m"
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else
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red= yellow= normal=
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fi
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if [ $1 -eq 0 ]; then
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echo "." || true
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elif [ $1 -eq 255 ]; then
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echo " ${yellow}(warning).${normal}" || true
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else
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echo " ${red}failed!${normal}" || true
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fi
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log_end_msg_post "$@"
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return $1
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}
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log_action_msg () {
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log_action_msg_pre "$@"
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echo "$@." || true
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log_action_msg_post "$@"
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}
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log_action_begin_msg () {
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log_action_begin_msg_pre "$@"
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echo -n "$@..." || true
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log_action_begin_msg_post "$@"
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}
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log_action_cont_msg () {
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echo -n "$@..." || true
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
log_action_end_msg () {
|
|||
|
|
local end
|
|||
|
|
log_action_end_msg_pre "$@"
|
|||
|
|
if [ -z "${2:-}" ]; then
|
|||
|
|
end="."
|
|||
|
|
else
|
|||
|
|
end=" ($2)."
|
|||
|
|
fi
|
|||
|
|
|
|||
|
|
if [ $1 -eq 0 ]; then
|
|||
|
|
echo "done${end}" || true
|
|||
|
|
else
|
|||
|
|
if log_use_fancy_output; then
|
|||
|
|
esc='' # escape character, printf '\033'
|
|||
|
|
red="$esc[31m" # ANSI color escapes
|
|||
|
|
normal="$esc[0m"
|
|||
|
|
echo "${red}failed${end}${normal}" || true
|
|||
|
|
else
|
|||
|
|
echo "failed${end}" || true
|
|||
|
|
fi
|
|||
|
|
fi
|
|||
|
|
log_action_end_msg_post "$@"
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
# Pre&Post empty function declaration, to be overriden from /lib/lsb/init-functions.d/*
|
|||
|
|
log_daemon_msg_pre () { :; }
|
|||
|
|
log_daemon_msg_post () { :; }
|
|||
|
|
log_begin_msg_pre () { :; }
|
|||
|
|
log_begin_msg_post () { :; }
|
|||
|
|
log_end_msg_pre () { :; }
|
|||
|
|
log_end_msg_post () { :; }
|
|||
|
|
log_action_msg_pre () { :; }
|
|||
|
|
log_action_msg_post () { :; }
|
|||
|
|
log_action_begin_msg_pre () { :; }
|
|||
|
|
log_action_begin_msg_post () { :; }
|
|||
|
|
log_action_end_msg_pre () { :; }
|
|||
|
|
log_action_end_msg_post () { :; }
|
|||
|
|
|
|||
|
|
# Include hooks from other packages in /lib/lsb/init-functions.d
|
|||
|
|
for hook in $(run-parts --lsbsysinit --list /lib/lsb/init-functions.d 2>/dev/null); do
|
|||
|
|
[ -r $hook ] && . $hook || true
|
|||
|
|
done
|
|||
|
|
|
|||
|
|
FANCYTTY=
|
|||
|
|
[ -e /etc/lsb-base-logging.sh ] && . /etc/lsb-base-logging.sh || true
|