# -*-Shell-script-*-
#
# functions	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"
export PATH

if [ $PPID -ne 1 -a -z "$SYSTEMCTL_SKIP_REDIRECT" ] &&
	(/bin/mountpoint -q /cgroup/systemd || /bin/mountpoint -q /sys/fs/cgroup/systemd); then
	case "$0" in
	/etc/init.d/* | /etc/rc.d/init.d/*)
		_use_systemctl=1
		;;
	esac
fi

systemctl_redirect() {
	local s
	local prog=${1##*/}
	local command=$2
	local options=""

	case "$command" in
	start)
		s=$"Starting $prog (via systemctl): "
		;;
	stop)
		s=$"Stopping $prog (via systemctl): "
		;;
	reload | try-reload)
		s=$"Reloading $prog configuration (via systemctl): "
		;;
	restart | try-restart | condrestart)
		s=$"Restarting $prog (via systemctl): "
		;;
	esac

	if [ -n "$SYSTEMCTL_IGNORE_DEPENDENCIES" ]; then
		options="--ignore-dependencies"
	fi

	action "$s" /bin/systemctl $options $command "$prog.service"
}

# Get a sane screen width
[ -z "${COLUMNS:-}" ] && COLUMNS=80

if [ -z "${CONSOLETYPE:-}" ]; then
	if [ -c "/dev/stderr" -a -r "/dev/stderr" ]; then
		CONSOLETYPE="$(/sbin/consoletype </dev/stderr 2>/dev/null)"
	else
		CONSOLETYPE="serial"
	fi
fi

if [ -z "${NOLOCALE:-}" ] && [ -z "${LANGSH_SOURCED:-}" ] && [ -f /etc/sysconfig/i18n -o -f /etc/locale.conf ]; then
	. /etc/profile.d/lang.sh 2>/dev/null
	# avoid propagating LANGSH_SOURCED any further
	unset LANGSH_SOURCED
fi

# Read in our configuration
if [ -z "${BOOTUP:-}" ]; then
	if [ -f /etc/sysconfig/init ]; then
		. /etc/sysconfig/init
	else
		# This all seem confusing? Look in /etc/sysconfig/init,
		# or in /usr/share/doc/initscripts-*/sysconfig.txt
		BOOTUP=color
		RES_COL=60
		MOVE_TO_COL="echo -en \\033[${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

# Check if any of $pid (could be plural) are running
checkpid() {
	local i

	for i in $*; do
		[ -d "/proc/$i" ] && return 0
	done
	return 1
}

# __proc_pids {program} [pidfile]
# Set $pid to pids from /var/run* for {program}.  $pid should be declared
# local in the caller.
# Returns LSB exit code for the 'status' action.
__pids_var_run() {
	local base=${1##*/}
	local pid_file=${2:-/var/run/$base.pid}

	pid=
	if [ -f "$pid_file" ]; then
		local line p

		[ ! -r "$pid_file" ] && return 4 # "user had insufficient privilege"
		while :; do
			read line
			[ -z "$line" ] && break
			for p in $line; do
				[ -z "${p//[0-9]/}" ] && [ -d "/proc/$p" ] && pid="$pid $p"
			done
		done <"$pid_file"

		if [ -n "$pid" ]; then
			return 0
		fi
		return 1 # "Program is dead and /var/run pid file exists"
	fi
	return 3 # "Program is not running"
}

# Output PIDs of matching processes, found using pidof
__pids_pidof() {
	pidof -c -m -o $$ -o $PPID -o %PPID -x "$1" ||
		pidof -c -m -o $$ -o $PPID -o %PPID -x "${1##*/}"
}

# A function to start a program.
daemon() {
	# Test syntax.
	local gotbase= force= nicelevel corelimit
	local pid base= user= nice= bg= pid_file=
	local cgroup=
	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
			;;
		--pidfile)
			pid_file=$2
			shift 2
			;;
		--pidfile=?*)
			pid_file=${1#--pidfile=}
			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.
	__pids_var_run "$base" "$pid_file"

	[ -n "$pid" -a -z "$force" ] && return

	# make sure it doesn't core dump anywhere unless requested
	corelimit="ulimit -S -c ${DAEMON_COREFILE_LIMIT:-0}"

	# if they set NICELEVEL in /etc/sysconfig/foo, honor it
	[ -n "${NICELEVEL:-}" ] && nice="nice -n $NICELEVEL"

	# if they set CGROUP_DAEMON in /etc/sysconfig/foo, honor it
	if [ -n "${CGROUP_DAEMON}" ]; then
		if [ ! -x /bin/cgexec ]; then
			echo -n "Cgroups not installed"
			warning
			echo
		else
			cgroup="/bin/cgexec"
			for i in $CGROUP_DAEMON; do
				cgroup="$cgroup -g $i"
			done
		fi
	fi

	# Echo daemon
	[ "${BOOTUP:-}" = "verbose" -a -z "${LSB:-}" ] && echo -n " $base"

	# And start it up.
	if [ -z "$user" ]; then
		$cgroup $nice /bin/bash -c "$corelimit >/dev/null 2>&1 ; $*"
	else
		$cgroup $nice runuser -s /bin/bash $user -c "$corelimit >/dev/null 2>&1 ; $*"
	fi

	[ "$?" -eq 0 ] && success $"$base startup" || failure $"$base startup"
}

# A function to stop a program.
killproc() {
	local RC killlevel= base pid pid_file= delay try

	RC=0
	delay=3
	try=0
	# Test syntax.
	if [ "$#" -eq 0 ]; then
		echo $"Usage: killproc [-p pidfile] [ -d delay] {program} [-signal]"
		return 1
	fi
	if [ "$1" = "-p" ]; then
		pid_file=$2
		shift 2
	fi
	if [ "$1" = "-d" ]; then
		delay=$(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*$1} END {printf("%d",delay+0.5)}')
		if [ "$?" -eq 1 ]; then
			echo $"Usage: killproc [-p pidfile] [ -d delay] {program} [-signal]"
			return 1
		fi
		shift 2
	fi

	# check for second arg to be kill level
	[ -n "${2:-}" ] && killlevel=$2

	# Save basename.
	base=${1##*/}

	# Find pid.
	__pids_var_run "$1" "$pid_file"
	RC=$?
	if [ -z "$pid" ]; then
		if [ -z "$pid_file" ]; then
			pid="$(__pids_pidof "$1")"
		else
			[ "$RC" = "4" ] && {
				failure $"$base shutdown"
				return $RC
			}
		fi
	fi

	# Kill it.
	if [ -n "$pid" ]; then
		[ "$BOOTUP" = "verbose" -a -z "${LSB:-}" ] && echo -n "$base "
		if [ -z "$killlevel" ]; then
			if checkpid $pid 2>&1; then
				# TERM first, then KILL if not dead
				kill -TERM $pid >/dev/null 2>&1
				usleep 50000
				if checkpid $pid; then
					try=0
					while [ $try -lt $delay ]; do
						checkpid $pid || break
						sleep 1
						let try+=1
					done
					if checkpid $pid; then
						kill -KILL $pid >/dev/null 2>&1
						usleep 50000
					fi
				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 $killlevel"
			elif [ -n "${LSB:-}" ]; then
				RC=7 # Program is not running
			fi
		fi
	else
		if [ -n "${LSB:-}" -a -n "$killlevel" ]; then
			RC=7 # Program is not running
		else
			failure $"$base shutdown"
			RC=0
		fi
	fi

	# Remove pid file if any.
	if [ -z "$killlevel" ]; then
		rm -f "${pid_file:-/var/run/$base.pid}"
	fi
	return $RC
}

# A function to find the pid of a program. Looks *only* at the pidfile
pidfileofproc() {
	local pid

	# Test syntax.
	if [ "$#" = 0 ]; then
		echo $"Usage: pidfileofproc {program}"
		return 1
	fi

	__pids_var_run "$1"
	[ -n "$pid" ] && echo $pid
	return 0
}

# A function to find the pid of a program.
pidofproc() {
	local RC pid pid_file=

	# Test syntax.
	if [ "$#" = 0 ]; then
		echo $"Usage: pidofproc [-p pidfile] {program}"
		return 1
	fi
	if [ "$1" = "-p" ]; then
		pid_file=$2
		shift 2
	fi
	fail_code=3 # "Program is not running"

	# First try "/var/run/*.pid" files
	__pids_var_run "$1" "$pid_file"
	RC=$?
	if [ -n "$pid" ]; then
		echo $pid
		return 0
	fi

	[ -n "$pid_file" ] && return $RC
	__pids_pidof "$1" || return $RC
}

status() {
	local base pid lock_file= pid_file=

	# Test syntax.
	if [ "$#" = 0 ]; then
		echo $"Usage: status [-p pidfile] {program}"
		return 1
	fi
	if [ "$1" = "-p" ]; then
		pid_file=$2
		shift 2
	fi
	if [ "$1" = "-l" ]; then
		lock_file=$2
		shift 2
	fi
	base=${1##*/}

	if [ "$_use_systemctl" = "1" ]; then
		systemctl status ${0##*/}.service
		return $?
	fi

	# First try "pidof"
	__pids_var_run "$1" "$pid_file"
	RC=$?
	if [ -z "$pid_file" -a -z "$pid" ]; then
		pid="$(__pids_pidof "$1")"
	fi
	if [ -n "$pid" ]; then
		echo $"${base} (pid $pid) is running..."
		return 0
	fi

	case "$RC" in
	0)
		echo $"${base} (pid $pid) is running..."
		return 0
		;;
	1)
		echo $"${base} dead but pid file exists"
		return 1
		;;
	4)
		echo $"${base} status unknown due to insufficient privileges."
		return 4
		;;
	esac
	if [ -z "${lock_file}" ]; then
		lock_file=${base}
	fi
	# See if /var/lock/subsys/${lock_file} exists
	if [ -f /var/lock/subsys/${lock_file} ]; 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 [ -x /bin/plymouth ]; then
		/bin/plymouth --update="$1"
	fi
	return 0
}

# Log that something succeeded
success() {
	[ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_success
	return 0
}

# Log that something failed
failure() {
	local rc=$?
	[ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_failure
	[ -x /bin/plymouth ] && /bin/plymouth --details
	return $rc
}

# Log that something passed, but may have had errors. Useful for fsck
passed() {
	local rc=$?
	[ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_passed
	return $rc
}

# Log a warning
warning() {
	local rc=$?
	[ "$BOOTUP" != "verbose" -a -z "${LSB:-}" ] && echo_warning
	return $rc
}

# Run some action. Log its output.
action() {
	local STRING rc

	STRING=$1
	echo -n "$STRING "
	shift
	"$@" && success $"$STRING" || failure $"$STRING"
	rc=$?
	echo
	return $rc
}

# returns OK if $1 contains $2
strstr() {
	[ "${1#*$2*}" = "$1" ] && return 1
	return 0
}

# Check whether file $1 is a backup or rpm-generated file and should be ignored
is_ignored_file() {
	case "$1" in
	*~ | *.bak | *.orig | *.rpmnew | *.rpmorig | *.rpmsave)
		return 0
		;;
	esac
	return 1
}

# Evaluate shvar-style booleans
is_true() {
	case "$1" in
	[tT] | [yY] | [yY][eE][sS] | [tT][rR][uU][eE])
		return 0
		;;
	esac
	return 1
}

# Evaluate shvar-style booleans
is_false() {
	case "$1" in
	[fF] | [nN] | [nN][oO] | [fF][aA][lL][sS][eE])
		return 0
		;;
	esac
	return 1
}

# Apply sysctl settings, including files in /etc/sysctl.d
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

#################################################################################
#Add for Terra Master NAS_x86_64

setlog() {
	if [ ! -d /var/log ]; then
		mkdir /var/log
	fi

	DATE=$(date "+%Y-%m-%d %T")
	TITLE=$1
	MESSAGE=$2
	LEVEL=$3

	echo $DATE"|"$TITLE"|"$MESSAGE"|"$LEVEL >>/var/log/scripts.log
}

runprocess() {
	DAEMON_NAME=$1
	DAEMON_EXEC=$2
	shift 2
	DAEMON_OPTS=$@

	[ ! -d /var/run ] && mkdir -p /var/run
	if start-stop-daemon --start \
		--make-pidfile -b --pidfile /var/run/$DAEMON_NAME.pid \
		--exec $DAEMON_EXEC -- $DAEMON_OPTS; then

		setlog $DAEMON_NAME "run $DAEMON_NAME success" 0
	else
		setlog $DAEMON_NAME "run $DAEMON_NAME failed" 1
	fi
}

stoprocess() {
	DAEMON_NAME=$1
	DAEMON_EXEC=$2
	shift 2
	DAEMON_OPTS=$@
	[ ! -d /var/run ] && mkdir -p /var/run
	if start-stop-daemon --stop --quiet --exec $DAEMON_EXEC -- $DAEMON_OPTS; then

		setlog $DAEMON_NAME "stop $DAEMON_NAME success" 0
	else
		setlog $DAEMON_NAME "stop $DAEMON_NAME failed" 1
	fi
}

lockscript() {
	lockpath=/var/lock/

	if [ ! -d $lockpath ]; then
		mkdir -p $lockpath
	fi

	if [ -e $lockpath/$1.pid ]; then
		read pid >/dev/null 2>&1 <$lockpath/$1.pid
		if [ -n $pid ]; then
			if [ -e /proc/$pid ]; then
				echo "$pid lock scripts,now exit"
				exit 1
			fi
		fi
	fi

	#	echo "process $$ lock scripts now"
	echo $$ >$lockpath/$1.pid
}

freescript() {
	if [ ! -d $lockpath ]; then
		return 1
	fi

	if [ -e $lockpath/$1.pid ]; then
		read pid >/dev/null 2>&1 <$lockpath/$1.pid
		if [ -n $pid ]; then
			if [ $pid == $$ ]; then
				#				echo "process $pid free scripts now"
				rm $lockpath/$1.pid
				return 0
			fi
		fi
	fi

	return 1
}

makeuser() {
	[ ! -d /var/run/etc ] && mkdir -p /var/run/etc

	touch /var/run/etc/passwd
	touch /var/run/etc/group
	touch /var/run/etc/shadow

	# create admin
	#	echo -e "admin\nadmin" | adduser -u 0 -s /bin/sh admin
	# create guest
	#	adduser -u 512 -s /bin/false guest -D
}

makenode() {
	if [ ! -d /dev ]; then
		setlog makenode "directory /etc not exists" 1
		return 1
	fi

	mknod /dev/console c 5 1
	mknod /dev/full c 1 7
	mknod /dev/kmem c 1 2
	mknod /dev/mem c 1 1
	mknod /dev/null c 1 3
	mknod /dev/port c 1 4
	mknod /dev/random c 1 8
	mknod /dev/urandom c 1 9
	mknod /dev/zero c 1 5
	ln -s /proc/kcore /dev/core

	mknod /dev/tty c 5 0
	for i in $(seq 0 6); do
		mknod /dev/tty$i c 4 $i
	done
}

replacestr() {
	local filename="$1"
	local repace_str="$2"
	local new_str="$3"
	local repace_str="$(echo ${repace_str} | awk 'BEGIN{MYESCAP="/";NEWESCAP="\\/"} \
        {if(match($0,MYESCAP) > 0){gsub(MYESCAP,NEWESCAP,$0)}}END{print $0}')"
	local new_str="$(echo ${new_str} | awk 'BEGIN{MYESCAP="/";NEWESCAP="\\/"}       \
        {if(match($0,MYESCAP) > 0){gsub(MYESCAP,NEWESCAP,$0)}}END{print $0}')"
	local ret=$(busybox sed -n "/${repace_str}/p" ${filename})

	if [ -z "$ret" ]; then
		sed -i "$ a${new_str}" ${filename} >/dev/null 2>&1
	else
		sed -i "s/^[^#]*${repace_str}.*/${new_str}/" ${filename} >/dev/null 2>&1
	fi
	if [ "$?" -eq 0 ]; then
		echo 0
	else
		echo 1
		return 1
	fi

	return 0
}

Random() {
	if [ -z $1 ]; then
		MAX=6
	else
		MAX=$1
	fi
	char="AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz"
	maclast=""
	for num in $(seq 1 $MAX); do
		rand="$(($RANDOM % 52))"
		maclast="${maclast}${char:$rand:1}"
	done
	echo $maclast
	return 0
}
