mirror of https://github.com/jumpserver/jumpserver
595 lines
13 KiB
Bash
595 lines
13 KiB
Bash
# -*-Shell-script-*-
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#
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# functions This file contains functions to be used by most or all
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# shell scripts in the /etc/init.d directory.
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#
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TEXTDOMAIN=initscripts
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# Make sure umask is sane
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umask 022
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# Set up a default search path.
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PATH="/sbin:/usr/sbin:/bin:/usr/bin"
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export PATH
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if [ $PPID -ne 1 -a -z "$SYSTEMCTL_SKIP_REDIRECT" ] && \
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( /bin/mountpoint -q /cgroup/systemd || /bin/mountpoint -q /sys/fs/cgroup/systemd ) ; then
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case "$0" in
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/etc/init.d/*|/etc/rc.d/init.d/*)
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_use_systemctl=1
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;;
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esac
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fi
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systemctl_redirect () {
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local s
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local prog=${1##*/}
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local command=$2
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local options=""
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case "$command" in
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start)
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s=$"Starting $prog (via systemctl): "
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;;
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stop)
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s=$"Stopping $prog (via systemctl): "
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;;
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reload|try-reload)
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s=$"Reloading $prog configuration (via systemctl): "
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;;
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restart|try-restart|condrestart)
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s=$"Restarting $prog (via systemctl): "
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;;
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esac
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if [ -n "$SYSTEMCTL_IGNORE_DEPENDENCIES" ] ; then
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options="--ignore-dependencies"
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fi
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action "$s" /bin/systemctl $options $command "$prog.service"
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}
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# Get a sane screen width
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[ -z "${COLUMNS:-}" ] && COLUMNS=80
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if [ -z "${CONSOLETYPE:-}" ]; then
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if [ -c "/dev/stderr" -a -r "/dev/stderr" ]; then
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CONSOLETYPE="$(/sbin/consoletype < /dev/stderr 2>/dev/null)"
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else
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CONSOLETYPE="serial"
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fi
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fi
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if [ -z "${NOLOCALE:-}" ] && [ -z "${LANGSH_SOURCED:-}" ] && [ -f /etc/sysconfig/i18n -o -f /etc/locale.conf ] ; then
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. /etc/profile.d/lang.sh 2>/dev/null
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# avoid propagating LANGSH_SOURCED any further
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unset LANGSH_SOURCED
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fi
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# Read in our configuration
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if [ -z "${BOOTUP:-}" ]; then
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if [ -f /etc/sysconfig/init ]; then
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. /etc/sysconfig/init
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else
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# This all seem confusing? Look in /etc/sysconfig/init,
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# or in /usr/share/doc/initscripts-*/sysconfig.txt
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BOOTUP=color
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RES_COL=60
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MOVE_TO_COL="echo -en \\033[${RES_COL}G"
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SETCOLOR_SUCCESS="echo -en \\033[1;32m"
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SETCOLOR_FAILURE="echo -en \\033[1;31m"
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SETCOLOR_WARNING="echo -en \\033[1;33m"
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SETCOLOR_NORMAL="echo -en \\033[0;39m"
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LOGLEVEL=1
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fi
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if [ "$CONSOLETYPE" = "serial" ]; then
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BOOTUP=serial
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MOVE_TO_COL=
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SETCOLOR_SUCCESS=
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SETCOLOR_FAILURE=
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SETCOLOR_WARNING=
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SETCOLOR_NORMAL=
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fi
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fi
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# Check if any of $pid (could be plural) are running
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checkpid() {
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local i
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for i in $* ; do
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[ -d "/proc/$i" ] && return 0
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done
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return 1
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}
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# __proc_pids {program} [pidfile]
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# Set $pid to pids from /var/run* for {program}. $pid should be declared
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# local in the caller.
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# Returns LSB exit code for the 'status' action.
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__pids_var_run() {
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local base=${1##*/}
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local pid_file=${2:-/var/run/$base.pid}
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pid=
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if [ -f "$pid_file" ] ; then
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local line p
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[ ! -r "$pid_file" ] && return 4 # "user had insufficient privilege"
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while : ; do
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read line
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[ -z "$line" ] && break
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for p in $line ; do
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[ -z "${p//[0-9]/}" ] && [ -d "/proc/$p" ] && pid="$pid $p"
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done
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done < "$pid_file"
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if [ -n "$pid" ]; then
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return 0
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fi
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return 1 # "Program is dead and /var/run pid file exists"
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fi
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return 3 # "Program is not running"
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}
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# Output PIDs of matching processes, found using pidof
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__pids_pidof() {
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pidof -c -m -o $$ -o $PPID -o %PPID -x "$1" || \
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pidof -c -m -o $$ -o $PPID -o %PPID -x "${1##*/}"
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}
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# A function to start a program.
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daemon() {
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# Test syntax.
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local gotbase= force= nicelevel corelimit
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local pid base= user= nice= bg= pid_file=
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local cgroup=
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nicelevel=0
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while [ "$1" != "${1##[-+]}" ]; do
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case $1 in
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'') echo $"$0: Usage: daemon [+/-nicelevel] {program}"
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return 1;;
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--check)
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base=$2
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gotbase="yes"
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shift 2
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;;
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--check=?*)
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base=${1#--check=}
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gotbase="yes"
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shift
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;;
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--user)
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user=$2
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shift 2
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;;
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--user=?*)
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user=${1#--user=}
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shift
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;;
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--pidfile)
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pid_file=$2
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shift 2
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;;
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--pidfile=?*)
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pid_file=${1#--pidfile=}
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shift
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;;
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--force)
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force="force"
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shift
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;;
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[-+][0-9]*)
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nice="nice -n $1"
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shift
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;;
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*) echo $"$0: Usage: daemon [+/-nicelevel] {program}"
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return 1;;
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esac
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done
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# Save basename.
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[ -z "$gotbase" ] && base=${1##*/}
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# See if it's already running. Look *only* at the pid file.
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__pids_var_run "$base" "$pid_file"
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[ -n "$pid" -a -z "$force" ] && return
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# make sure it doesn't core dump anywhere unless requested
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corelimit="ulimit -S -c ${DAEMON_COREFILE_LIMIT:-0}"
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# if they set NICELEVEL in /etc/sysconfig/foo, honor it
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[ -n "${NICELEVEL:-}" ] && nice="nice -n $NICELEVEL"
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# if they set CGROUP_DAEMON in /etc/sysconfig/foo, honor it
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if [ -n "${CGROUP_DAEMON}" ]; then
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if [ ! -x /bin/cgexec ]; then
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echo -n "Cgroups not installed"; warning
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echo
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else
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cgroup="/bin/cgexec";
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for i in $CGROUP_DAEMON; do
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cgroup="$cgroup -g $i";
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done
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fi
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fi
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# Echo daemon
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[ "${BOOTUP:-}" = "verbose" -a -z "${LSB:-}" ] && echo -n " $base"
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# And start it up.
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if [ -z "$user" ]; then
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$cgroup $nice /bin/bash -c "$corelimit >/dev/null 2>&1 ; $*"
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else
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$cgroup $nice runuser -s /bin/bash $user -c "$corelimit >/dev/null 2>&1 ; $*"
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fi
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[ "$?" -eq 0 ] && success $"$base startup" || failure $"$base startup"
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}
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# A function to stop a program.
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killproc() {
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local RC killlevel= base pid pid_file= delay try
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RC=0; delay=3; try=0
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# Test syntax.
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if [ "$#" -eq 0 ]; then
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echo $"Usage: killproc [-p pidfile] [ -d delay] {program} [-signal]"
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return 1
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fi
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if [ "$1" = "-p" ]; then
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pid_file=$2
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shift 2
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fi
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if [ "$1" = "-d" ]; then
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delay=$(echo $2 | awk -v RS=' ' -v IGNORECASE=1 '{if($1!~/^[0-9.]+[smhd]?$/) exit 1;d=$1~/s$|^[0-9.]*$/?1:$1~/m$/?60:$1~/h$/?60*60:$1~/d$/?24*60*60:-1;if(d==-1) exit 1;delay+=d*$1} END {printf("%d",delay+0.5)}')
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if [ "$?" -eq 1 ]; then
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echo $"Usage: killproc [-p pidfile] [ -d delay] {program} [-signal]"
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return 1
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fi
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shift 2
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fi
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# check for second arg to be kill level
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[ -n "${2:-}" ] && killlevel=$2
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# Save basename.
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base=${1##*/}
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# Find pid.
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__pids_var_run "$1" "$pid_file"
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RC=$?
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if [ -z "$pid" ]; then
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if [ -z "$pid_file" ]; then
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pid="$(__pids_pidof "$1")"
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else
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[ "$RC" = "4" ] && { failure $"$base shutdown" ; return $RC ;}
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fi
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fi
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# Kill it.
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if [ -n "$pid" ] ; then
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[ "$BOOTUP" = "verbose" -a -z "${LSB:-}" ] && echo -n "$base "
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if [ -z "$killlevel" ] ; then
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if checkpid $pid 2>&1; then
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# TERM first, then KILL if not dead
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kill -TERM $pid >/dev/null 2>&1
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usleep 50000
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if checkpid $pid ; then
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try=0
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while [ $try -lt $delay ] ; do
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checkpid $pid || break
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sleep 1
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let try+=1
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done
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if checkpid $pid ; then
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kill -KILL $pid >/dev/null 2>&1
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usleep 50000
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fi
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fi
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fi
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checkpid $pid
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RC=$?
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[ "$RC" -eq 0 ] && failure $"$base shutdown" || success $"$base shutdown"
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RC=$((! $RC))
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# use specified level only
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else
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if checkpid $pid; then
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kill $killlevel $pid >/dev/null 2>&1
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RC=$?
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[ "$RC" -eq 0 ] && success $"$base $killlevel" || failure $"$base $killlevel"
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elif [ -n "${LSB:-}" ]; then
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RC=7 # Program is not running
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fi
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fi
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else
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if [ -n "${LSB:-}" -a -n "$killlevel" ]; then
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RC=7 # Program is not running
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else
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failure $"$base shutdown"
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RC=0
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fi
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fi
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# Remove pid file if any.
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if [ -z "$killlevel" ]; then
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rm -f "${pid_file:-/var/run/$base.pid}"
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fi
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return $RC
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}
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# A function to find the pid of a program. Looks *only* at the pidfile
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pidfileofproc() {
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local pid
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# Test syntax.
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if [ "$#" = 0 ] ; then
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echo $"Usage: pidfileofproc {program}"
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return 1
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fi
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__pids_var_run "$1"
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[ -n "$pid" ] && echo $pid
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return 0
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}
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# A function to find the pid of a program.
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pidofproc() {
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local RC pid pid_file=
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# Test syntax.
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if [ "$#" = 0 ]; then
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echo $"Usage: pidofproc [-p pidfile] {program}"
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return 1
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fi
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if [ "$1" = "-p" ]; then
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pid_file=$2
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shift 2
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fi
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fail_code=3 # "Program is not running"
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# First try "/var/run/*.pid" files
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__pids_var_run "$1" "$pid_file"
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RC=$?
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if [ -n "$pid" ]; then
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echo $pid
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return 0
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fi
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[ -n "$pid_file" ] && return $RC
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__pids_pidof "$1" || return $RC
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}
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status() {
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local base pid lock_file= pid_file=
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# Test syntax.
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if [ "$#" = 0 ] ; then
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echo $"Usage: status [-p pidfile] {program}"
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return 1
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fi
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if [ "$1" = "-p" ]; then
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pid_file=$2
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shift 2
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fi
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if [ "$1" = "-l" ]; then
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lock_file=$2
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shift 2
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fi
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base=${1##*/}
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if [ "$_use_systemctl" = "1" ]; then
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systemctl status ${0##*/}.service
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return $?
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fi
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# First try "pidof"
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__pids_var_run "$1" "$pid_file"
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RC=$?
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if [ -z "$pid_file" -a -z "$pid" ]; then
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pid="$(__pids_pidof "$1")"
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fi
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if [ -n "$pid" ]; then
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echo $"${base} (pid $pid) is running..."
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return 0
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fi
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case "$RC" in
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0)
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echo $"${base} (pid $pid) is running..."
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return 0
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;;
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1)
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echo $"${base} dead but pid file exists"
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return 1
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;;
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4)
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echo $"${base} status unknown due to insufficient privileges."
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return 4
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;;
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esac
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if [ -z "${lock_file}" ]; then
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lock_file=${base}
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fi
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# See if /var/lock/subsys/${lock_file} exists
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if [ -f /var/lock/subsys/${lock_file} ]; then
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echo $"${base} dead but subsys locked"
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return 2
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fi
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echo $"${base} is stopped"
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return 3
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}
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echo_success() {
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[ "$BOOTUP" = "color" ] && $MOVE_TO_COL
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echo -n "["
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[ "$BOOTUP" = "color" ] && $SETCOLOR_SUCCESS
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echo -n $" OK "
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[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
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echo -n "]"
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echo -ne "\r"
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return 0
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}
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echo_failure() {
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[ "$BOOTUP" = "color" ] && $MOVE_TO_COL
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echo -n "["
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[ "$BOOTUP" = "color" ] && $SETCOLOR_FAILURE
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echo -n $"FAILED"
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[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
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echo -n "]"
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echo -ne "\r"
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return 1
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}
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echo_passed() {
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[ "$BOOTUP" = "color" ] && $MOVE_TO_COL
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echo -n "["
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[ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
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echo -n $"PASSED"
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[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
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echo -n "]"
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echo -ne "\r"
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return 1
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}
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echo_warning() {
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[ "$BOOTUP" = "color" ] && $MOVE_TO_COL
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echo -n "["
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[ "$BOOTUP" = "color" ] && $SETCOLOR_WARNING
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echo -n $"WARNING"
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[ "$BOOTUP" = "color" ] && $SETCOLOR_NORMAL
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echo -n "]"
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echo -ne "\r"
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return 1
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}
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# Inform the graphical boot of our current state
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update_boot_stage() {
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if [ -x /bin/plymouth ]; then
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/bin/plymouth --update="$1"
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fi
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return 0
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}
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# Log that something succeeded
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success() {
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[ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_success
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return 0
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}
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# Log that something failed
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failure() {
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local rc=$?
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[ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_failure
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[ -x /bin/plymouth ] && /bin/plymouth --details
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return $rc
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}
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# Log that something passed, but may have had errors. Useful for fsck
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passed() {
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local rc=$?
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[ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_passed
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return $rc
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}
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# Log a warning
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warning() {
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local rc=$?
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[ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_warning
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return $rc
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}
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# Run some action. Log its output.
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action() {
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local STRING rc
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STRING=$1
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echo -n "$STRING "
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shift
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"$@" && success $"$STRING" || failure $"$STRING"
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rc=$?
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echo
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return $rc
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}
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# returns OK if $1 contains $2
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strstr() {
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[ "${1#*$2*}" = "$1" ] && return 1
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return 0
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}
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# Check whether file $1 is a backup or rpm-generated file and should be ignored
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is_ignored_file() {
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case "$1" in
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*~ | *.bak | *.orig | *.rpmnew | *.rpmorig | *.rpmsave)
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return 0
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;;
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esac
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return 1
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}
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# Evaluate shvar-style booleans
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is_true() {
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case "$1" in
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[tT] | [yY] | [yY][eE][sS] | [tT][rR][uU][eE])
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return 0
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;;
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esac
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return 1
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}
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# Evaluate shvar-style booleans
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is_false() {
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case "$1" in
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[fF] | [nN] | [nN][oO] | [fF][aA][lL][sS][eE])
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return 0
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;;
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esac
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return 1
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}
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# Apply sysctl settings, including files in /etc/sysctl.d
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apply_sysctl() {
|
|
if [ -x /lib/systemd/systemd-sysctl ]; then
|
|
/lib/systemd/systemd-sysctl
|
|
else
|
|
for file in /usr/lib/sysctl.d/*.conf ; do
|
|
is_ignored_file "$file" && continue
|
|
[ -f /run/sysctl.d/${file##*/} ] && continue
|
|
[ -f /etc/sysctl.d/${file##*/} ] && continue
|
|
test -f "$file" && sysctl -e -p "$file" >/dev/null 2>&1
|
|
done
|
|
for file in /run/sysctl.d/*.conf ; do
|
|
is_ignored_file "$file" && continue
|
|
[ -f /etc/sysctl.d/${file##*/} ] && continue
|
|
test -f "$file" && sysctl -e -p "$file" >/dev/null 2>&1
|
|
done
|
|
for file in /etc/sysctl.d/*.conf ; do
|
|
is_ignored_file "$file" && continue
|
|
test -f "$file" && sysctl -e -p "$file" >/dev/null 2>&1
|
|
done
|
|
sysctl -e -p /etc/sysctl.conf >/dev/null 2>&1
|
|
fi
|
|
}
|
|
|
|
# A sed expression to filter out the files that is_ignored_file recognizes
|
|
__sed_discard_ignored_files='/\(~\|\.bak\|\.orig\|\.rpmnew\|\.rpmorig\|\.rpmsave\)$/d'
|
|
|
|
if [ "$_use_systemctl" = "1" ]; then
|
|
if [ "x$1" = xstart -o \
|
|
"x$1" = xstop -o \
|
|
"x$1" = xrestart -o \
|
|
"x$1" = xreload -o \
|
|
"x$1" = xtry-restart -o \
|
|
"x$1" = xforce-reload -o \
|
|
"x$1" = xcondrestart ] ; then
|
|
|
|
systemctl_redirect $0 $1
|
|
exit $?
|
|
fi
|
|
fi
|