From f3ab4616c91691a3a8ee844f3fe4ab762f49ebca Mon Sep 17 00:00:00 2001
From: Jo-Philipp Wich <jow@openwrt.org>
Date: Sun, 5 Feb 2012 03:13:05 +0000
Subject: [PATCH] [backfire] base-files: backport r28834, r28857, r28864,
 r28865, r28870, r28871, r28991

SVN-Revision: 30163
---
 package/base-files/Makefile               |   2 +-
 package/base-files/files/etc/functions.sh | 317 +--------------
 package/base-files/files/etc/rc.common    |   2 +-
 package/base-files/files/lib/functions.sh | 467 ++++++++++++++++++++++
 4 files changed, 470 insertions(+), 318 deletions(-)
 mode change 100755 => 120000 package/base-files/files/etc/functions.sh
 create mode 100755 package/base-files/files/lib/functions.sh

diff --git a/package/base-files/Makefile b/package/base-files/Makefile
index 7a8f027192..44242ce4fa 100644
--- a/package/base-files/Makefile
+++ b/package/base-files/Makefile
@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=base-files
-PKG_RELEASE:=43.32
+PKG_RELEASE:=43.33
 
 PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/
 PKG_BUILD_DEPENDS:=opkg/host
diff --git a/package/base-files/files/etc/functions.sh b/package/base-files/files/etc/functions.sh
deleted file mode 100755
index acea617530..0000000000
--- a/package/base-files/files/etc/functions.sh
+++ /dev/null
@@ -1,316 +0,0 @@
-#!/bin/sh
-# Copyright (C) 2006 OpenWrt.org
-# Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
-
-
-debug () {
-	${DEBUG:-:} "$@"
-}
-mount() {
-	busybox mount "$@"
-}
-
-# newline
-N="
-"
-
-_C=0
-NO_EXPORT=1
-LOAD_STATE=1
-LIST_SEP=" "
-
-hotplug_dev() {
-	env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug-call net
-}
-
-append() {
-	local var="$1"
-	local value="$2"
-	local sep="${3:- }"
-	
-	eval "export ${NO_EXPORT:+-n} -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
-}
-
-list_contains() {
-	local var="$1"
-	local str="$2"
-	local val
-
-	eval "val=\" \${$var} \""
-	[ "${val%% $str *}" != "$val" ]
-}
-
-list_remove() {
-	local var="$1"
-	local remove="$2"
-	local val
-
-	eval "val=\" \${$var} \""
-	val1="${val%% $remove *}"
-	[ "$val1" = "$val" ] && return
-	val2="${val##* $remove }"
-	[ "$val2" = "$val" ] && return
-	val="${val1## } ${val2%% }"
-	val="${val%% }"
-	eval "export ${NO_EXPORT:+-n} -- \"$var=\$val\""
-}
-
-config_load() {
-	[ -n "$IPKG_INSTROOT" ] && return 0
-	uci_load "$@"
-}
-
-reset_cb() {
-	config_cb() { return 0; }
-	option_cb() { return 0; }
-	list_cb() { return 0; }
-}
-reset_cb
-
-package() {
-	return 0
-}
-
-config () {
-	local cfgtype="$1"
-	local name="$2"
-	
-	export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=$(($CONFIG_NUM_SECTIONS + 1))
-	name="${name:-cfg$CONFIG_NUM_SECTIONS}"
-	append CONFIG_SECTIONS "$name"
-	[ -n "$NO_CALLBACK" ] || config_cb "$cfgtype" "$name"
-	export ${NO_EXPORT:+-n} CONFIG_SECTION="$name"
-	export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_TYPE=$cfgtype"
-}
-
-option () {
-	local varname="$1"; shift
-	local value="$*"
-
-	export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_${varname}=$value"
-	[ -n "$NO_CALLBACK" ] || option_cb "$varname" "$*"
-}
-
-list() {
-	local varname="$1"; shift
-	local value="$*"
-	local len
-
-	config_get len "$CONFIG_SECTION" "${varname}_LENGTH" 0
-	[ $len = 0 ] && append CONFIG_LIST_STATE "${CONFIG_SECTION}_${varname}"
-	len=$(($len + 1))
-	config_set "$CONFIG_SECTION" "${varname}_ITEM$len" "$value"
-	config_set "$CONFIG_SECTION" "${varname}_LENGTH" "$len"
-	append "CONFIG_${CONFIG_SECTION}_${varname}" "$value" "$LIST_SEP"
-	list_cb "$varname" "$*"
-}
-
-config_rename() {
-	local OLD="$1"
-	local NEW="$2"
-	local oldvar
-	local newvar
-	
-	[ -n "$OLD" -a -n "$NEW" ] || return
-	for oldvar in `set | grep ^CONFIG_${OLD}_ | \
-		sed -e 's/\(.*\)=.*$/\1/'` ; do
-		newvar="CONFIG_${NEW}_${oldvar##CONFIG_${OLD}_}"
-		eval "export ${NO_EXPORT:+-n} \"$newvar=\${$oldvar}\""
-		unset "$oldvar"
-	done
-	export ${NO_EXPORT:+-n} CONFIG_SECTIONS="$(echo " $CONFIG_SECTIONS " | sed -e "s, $OLD , $NEW ,")"
-	
-	[ "$CONFIG_SECTION" = "$OLD" ] && export ${NO_EXPORT:+-n} CONFIG_SECTION="$NEW"
-}
-
-config_unset() {
-	config_set "$1" "$2" ""
-}
-
-config_clear() {
-	local SECTION="$1"
-	local oldvar
-
-	list_remove CONFIG_SECTIONS "$SECTION"
-	export ${NO_EXPORT:+-n} CONFIG_SECTIONS="${SECTION:+$CONFIG_SECTIONS}"
-
-	for oldvar in `set | grep ^CONFIG_${SECTION:+${SECTION}_} | \
-		sed -e 's/\(.*\)=.*$/\1/'` ; do 
-		unset $oldvar 
-	done
-}
-
-# config_get <variable> <section> <option> [<default>]
-# config_get <section> <option>
-config_get() {
-	case "$3" in
-		"") eval echo "\${CONFIG_${1}_${2}:-\${4}}";;
-		*)  eval export ${NO_EXPORT:+-n} -- "${1}=\${CONFIG_${2}_${3}:-\${4}}";;
-	esac
-}
-
-# config_get_bool <variable> <section> <option> [<default>]
-config_get_bool() {
-	local _tmp
-	config_get _tmp "$2" "$3" "$4"
-	case "$_tmp" in
-		1|on|true|enabled) _tmp=1;;
-		0|off|false|disabled) _tmp=0;;
-		*) _tmp="$4";;
-	esac
-	export ${NO_EXPORT:+-n} "$1=$_tmp"
-}
-
-config_set() {
-	local section="$1"
-	local option="$2"
-	local value="$3"
-	local old_section="$CONFIG_SECTION"
-
-	CONFIG_SECTION="$section"
-	option "$option" "$value"
-	CONFIG_SECTION="$old_section"
-}
-
-config_foreach() {
-	local function="$1"
-	[ "$#" -ge 1 ] && shift
-	local type="$1"
-	[ "$#" -ge 1 ] && shift
-	local section cfgtype
-	
-	[ -z "$CONFIG_SECTIONS" ] && return 0
-	for section in ${CONFIG_SECTIONS}; do
-		config_get cfgtype "$section" TYPE
-		[ -n "$type" -a "x$cfgtype" != "x$type" ] && continue
-		eval "$function \"\$section\" \"\$@\""
-	done
-}
-
-config_list_foreach() {
-	[ "$#" -ge 3 ] || return 0
-	local section="$1"; shift
-	local option="$1"; shift
-	local function="$1"; shift
-	local val
-	local len
-	local c=1
-
-	config_get len "${section}" "${option}_LENGTH"
-	[ -z "$len" ] && return 0
-	while [ $c -le "$len" ]; do
-		config_get val "${section}" "${option}_ITEM$c"
-		eval "$function \"\$val\" \"$@\""
-		c="$(($c + 1))"
-	done
-}
-
-load_modules() {
-	[ -d /etc/modules.d ] && {
-		cd /etc/modules.d
-		sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
-	}
-}
-
-include() {
-	local file
-	
-	for file in $(ls $1/*.sh 2>/dev/null); do
-		. $file
-	done
-}
-
-find_mtd_part() {
-	local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
-	local PREFIX=/dev/mtdblock
-	
-	PART="${PART##mtd}"
-	[ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
-	echo "${PART:+$PREFIX$PART}"
-}
-
-strtok() { # <string> { <variable> [<separator>] ... }
-	local tmp
-	local val="$1"
-	local count=0
-
-	shift
-
-	while [ $# -gt 1 ]; do
-		tmp="${val%%$2*}"
-
-		[ "$tmp" = "$val" ] && break
-
-		val="${val#$tmp$2}"
-
-		export ${NO_EXPORT:+-n} "$1=$tmp"; count=$((count+1))
-		shift 2
-	done
-
-	if [ $# -gt 0 -a -n "$val" ]; then
-		export ${NO_EXPORT:+-n} "$1=$val"; count=$((count+1))
-	fi
-
-	return $count
-}
-
-
-jffs2_mark_erase() {
-	local part="$(find_mtd_part "$1")"
-	[ -z "$part" ] && {
-		echo Partition not found.
-		return 1
-	}
-	echo -e "\xde\xad\xc0\xde" | mtd -qq write - "$1"
-}
-
-uci_apply_defaults() {
-	cd /etc/uci-defaults || return 0
-	files="$(ls)"
-	[ -z "$files" ] && return 0
-	mkdir -p /tmp/.uci
-	for file in $files; do
-		( . "./$(basename $file)" ) && rm -f "$file"
-	done
-	uci commit
-}
-
-service_kill() {
-	local name="${1}"
-	local pid="${2:-$(pidof "$name")}"
-	local grace="${3:-5}"
-
-	[ -f "$pid" ] && pid="$(head -n1 "$pid" 2>/dev/null)"
-
-	for pid in $pid; do
-		[ -d "/proc/$pid" ] || continue
-		local try=0
-		kill -TERM $pid 2>/dev/null && \
-			while grep -qs "$name" "/proc/$pid/cmdline" && [ $((try++)) -lt $grace ]; do sleep 1; done
-		kill -KILL $pid 2>/dev/null && \
-			while grep -qs "$name" "/proc/$pid/cmdline"; do sleep 1; done
-	done
-}
-
-
-pi_include() {
-	if [ -f "/tmp/overlay/$1" ]; then
-		. "/tmp/overlay/$1"
-	elif [ -f "$1" ]; then
-		. "$1"
-	elif [ -d "/tmp/overlay/$1" ]; then
-		for src_script in /tmp/overlay/$1/*.sh; do
-			. "$src_script"
-		done
-	elif [ -d "$1" ]; then
-		for src_script in $1/*.sh; do
-			. "$src_script"
-		done
-	else
-		echo "WARNING: $1 not found"
-		return 1
-	fi
-	return 0
-}
-
-[ -z "$IPKG_INSTROOT" -a -f /lib/config/uci.sh ] && . /lib/config/uci.sh
diff --git a/package/base-files/files/etc/functions.sh b/package/base-files/files/etc/functions.sh
new file mode 120000
index 0000000000..13b3190e7a
--- /dev/null
+++ b/package/base-files/files/etc/functions.sh
@@ -0,0 +1 @@
+../lib/functions.sh
\ No newline at end of file
diff --git a/package/base-files/files/etc/rc.common b/package/base-files/files/etc/rc.common
index 072f143549..8e56b608c5 100755
--- a/package/base-files/files/etc/rc.common
+++ b/package/base-files/files/etc/rc.common
@@ -1,5 +1,5 @@
 #!/bin/sh
-# Copyright (C) 2006-2009 OpenWrt.org
+# Copyright (C) 2006-2011 OpenWrt.org
 
 . $IPKG_INSTROOT/etc/functions.sh
 
diff --git a/package/base-files/files/lib/functions.sh b/package/base-files/files/lib/functions.sh
new file mode 100755
index 0000000000..f6ec3d7be6
--- /dev/null
+++ b/package/base-files/files/lib/functions.sh
@@ -0,0 +1,467 @@
+#!/bin/sh
+# Copyright (C) 2006-2011 OpenWrt.org
+# Copyright (C) 2006 Fokus Fraunhofer <carsten.tittel@fokus.fraunhofer.de>
+
+
+debug () {
+	${DEBUG:-:} "$@"
+}
+mount() {
+	busybox mount "$@"
+}
+
+# newline
+N="
+"
+
+_C=0
+NO_EXPORT=1
+LOAD_STATE=1
+LIST_SEP=" "
+
+hotplug_dev() {
+	env -i ACTION=$1 INTERFACE=$2 /sbin/hotplug-call net
+}
+
+append() {
+	local var="$1"
+	local value="$2"
+	local sep="${3:- }"
+	
+	eval "export ${NO_EXPORT:+-n} -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
+}
+
+list_contains() {
+	local var="$1"
+	local str="$2"
+	local val
+
+	eval "val=\" \${$var} \""
+	[ "${val%% $str *}" != "$val" ]
+}
+
+list_remove() {
+	local var="$1"
+	local remove="$2"
+	local val
+
+	eval "val=\" \${$var} \""
+	val1="${val%% $remove *}"
+	[ "$val1" = "$val" ] && return
+	val2="${val##* $remove }"
+	[ "$val2" = "$val" ] && return
+	val="${val1## } ${val2%% }"
+	val="${val%% }"
+	eval "export ${NO_EXPORT:+-n} -- \"$var=\$val\""
+}
+
+config_load() {
+	[ -n "$IPKG_INSTROOT" ] && return 0
+	uci_load "$@"
+}
+
+reset_cb() {
+	config_cb() { return 0; }
+	option_cb() { return 0; }
+	list_cb() { return 0; }
+}
+reset_cb
+
+package() {
+	return 0
+}
+
+config () {
+	local cfgtype="$1"
+	local name="$2"
+	
+	export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=$(($CONFIG_NUM_SECTIONS + 1))
+	name="${name:-cfg$CONFIG_NUM_SECTIONS}"
+	append CONFIG_SECTIONS "$name"
+	[ -n "$NO_CALLBACK" ] || config_cb "$cfgtype" "$name"
+	export ${NO_EXPORT:+-n} CONFIG_SECTION="$name"
+	export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_TYPE=$cfgtype"
+}
+
+option () {
+	local varname="$1"; shift
+	local value="$*"
+
+	export ${NO_EXPORT:+-n} "CONFIG_${CONFIG_SECTION}_${varname}=$value"
+	[ -n "$NO_CALLBACK" ] || option_cb "$varname" "$*"
+}
+
+list() {
+	local varname="$1"; shift
+	local value="$*"
+	local len
+
+	config_get len "$CONFIG_SECTION" "${varname}_LENGTH" 0
+	[ $len = 0 ] && append CONFIG_LIST_STATE "${CONFIG_SECTION}_${varname}"
+	len=$(($len + 1))
+	config_set "$CONFIG_SECTION" "${varname}_ITEM$len" "$value"
+	config_set "$CONFIG_SECTION" "${varname}_LENGTH" "$len"
+	append "CONFIG_${CONFIG_SECTION}_${varname}" "$value" "$LIST_SEP"
+	list_cb "$varname" "$*"
+}
+
+config_rename() {
+	local OLD="$1"
+	local NEW="$2"
+	local oldvar
+	local newvar
+	
+	[ -n "$OLD" -a -n "$NEW" ] || return
+	for oldvar in `set | grep ^CONFIG_${OLD}_ | \
+		sed -e 's/\(.*\)=.*$/\1/'` ; do
+		newvar="CONFIG_${NEW}_${oldvar##CONFIG_${OLD}_}"
+		eval "export ${NO_EXPORT:+-n} \"$newvar=\${$oldvar}\""
+		unset "$oldvar"
+	done
+	export ${NO_EXPORT:+-n} CONFIG_SECTIONS="$(echo " $CONFIG_SECTIONS " | sed -e "s, $OLD , $NEW ,")"
+	
+	[ "$CONFIG_SECTION" = "$OLD" ] && export ${NO_EXPORT:+-n} CONFIG_SECTION="$NEW"
+}
+
+config_unset() {
+	config_set "$1" "$2" ""
+}
+
+config_clear() {
+	local SECTION="$1"
+	local oldvar
+
+	list_remove CONFIG_SECTIONS "$SECTION"
+	export ${NO_EXPORT:+-n} CONFIG_SECTIONS="${SECTION:+$CONFIG_SECTIONS}"
+
+	for oldvar in `set | grep ^CONFIG_${SECTION:+${SECTION}_} | \
+		sed -e 's/\(.*\)=.*$/\1/'` ; do 
+		unset $oldvar 
+	done
+}
+
+# config_get <variable> <section> <option> [<default>]
+# config_get <section> <option>
+config_get() {
+	case "$3" in
+		"") eval echo "\${CONFIG_${1}_${2}:-\${4}}";;
+		*)  eval export ${NO_EXPORT:+-n} -- "${1}=\${CONFIG_${2}_${3}:-\${4}}";;
+	esac
+}
+
+# config_get_bool <variable> <section> <option> [<default>]
+config_get_bool() {
+	local _tmp
+	config_get _tmp "$2" "$3" "$4"
+	case "$_tmp" in
+		1|on|true|enabled) _tmp=1;;
+		0|off|false|disabled) _tmp=0;;
+		*) _tmp="$4";;
+	esac
+	export ${NO_EXPORT:+-n} "$1=$_tmp"
+}
+
+config_set() {
+	local section="$1"
+	local option="$2"
+	local value="$3"
+	local old_section="$CONFIG_SECTION"
+
+	CONFIG_SECTION="$section"
+	option "$option" "$value"
+	CONFIG_SECTION="$old_section"
+}
+
+config_foreach() {
+	local function="$1"
+	[ "$#" -ge 1 ] && shift
+	local type="$1"
+	[ "$#" -ge 1 ] && shift
+	local section cfgtype
+	
+	[ -z "$CONFIG_SECTIONS" ] && return 0
+	for section in ${CONFIG_SECTIONS}; do
+		config_get cfgtype "$section" TYPE
+		[ -n "$type" -a "x$cfgtype" != "x$type" ] && continue
+		eval "$function \"\$section\" \"\$@\""
+	done
+}
+
+config_list_foreach() {
+	[ "$#" -ge 3 ] || return 0
+	local section="$1"; shift
+	local option="$1"; shift
+	local function="$1"; shift
+	local val
+	local len
+	local c=1
+
+	config_get len "${section}" "${option}_LENGTH"
+	[ -z "$len" ] && return 0
+	while [ $c -le "$len" ]; do
+		config_get val "${section}" "${option}_ITEM$c"
+		eval "$function \"\$val\" \"$@\""
+		c="$(($c + 1))"
+	done
+}
+
+load_modules() {
+	[ -d /etc/modules.d ] && {
+		cd /etc/modules.d
+		sed 's/^[^#]/insmod &/' $* | ash 2>&- || :
+	}
+}
+
+include() {
+	local file
+	
+	for file in $(ls $1/*.sh 2>/dev/null); do
+		. $file
+	done
+}
+
+find_mtd_part() {
+	local PART="$(grep "\"$1\"" /proc/mtd | awk -F: '{print $1}')"
+	local PREFIX=/dev/mtdblock
+	
+	PART="${PART##mtd}"
+	[ -d /dev/mtdblock ] && PREFIX=/dev/mtdblock/
+	echo "${PART:+$PREFIX$PART}"
+}
+
+strtok() { # <string> { <variable> [<separator>] ... }
+	local tmp
+	local val="$1"
+	local count=0
+
+	shift
+
+	while [ $# -gt 1 ]; do
+		tmp="${val%%$2*}"
+
+		[ "$tmp" = "$val" ] && break
+
+		val="${val#$tmp$2}"
+
+		export ${NO_EXPORT:+-n} "$1=$tmp"; count=$((count+1))
+		shift 2
+	done
+
+	if [ $# -gt 0 -a -n "$val" ]; then
+		export ${NO_EXPORT:+-n} "$1=$val"; count=$((count+1))
+	fi
+
+	return $count
+}
+
+
+jffs2_mark_erase() {
+	local part="$(find_mtd_part "$1")"
+	[ -z "$part" ] && {
+		echo Partition not found.
+		return 1
+	}
+	echo -e "\xde\xad\xc0\xde" | mtd -qq write - "$1"
+}
+
+uci_apply_defaults() {
+	cd /etc/uci-defaults || return 0
+	files="$(ls)"
+	[ -z "$files" ] && return 0
+	mkdir -p /tmp/.uci
+	for file in $files; do
+		( . "./$(basename $file)" ) && rm -f "$file"
+	done
+	uci commit
+}
+
+#
+# service: simple wrapper around start-stop-daemon
+#
+# Usage: service ACTION EXEC ARGS...
+#
+# Action:
+#   -C   check if EXEC is alive
+#   -S   start EXEC, passing it ARGS as its arguments
+#   -K   kill EXEC, sending it a TERM signal if not specified otherwise
+#
+# Environment variables exposed:
+#   SERVICE_DAEMONIZE    run EXEC in background
+#   SERVICE_WRITE_PID    create a pid-file and use it for matching
+#   SERVICE_MATCH_EXEC   use EXEC command-line for matching (default)
+#   SERVICE_MATCH_NAME   use EXEC process name for matching
+#   SERVICE_USE_PID      assume EXEC create its own pid-file and use it for matching
+#   SERVICE_NAME         process name to use (default to EXEC file part)
+#   SERVICE_PID_FILE     pid file to use (default to /var/run/$SERVICE_NAME.pid)
+#   SERVICE_SIG          signal to send when using -K
+#   SERVICE_SIG_RELOAD   default signal used when reloading
+#   SERVICE_SIG_STOP     default signal used when stopping
+#   SERVICE_STOP_TIME    time to wait for a process to stop gracefully before killing it
+#   SERVICE_UID          user EXEC should be run as
+#   SERVICE_GID          group EXEC should be run as
+#
+#   SERVICE_DEBUG        don't do anything, but show what would be done
+#   SERVICE_QUIET        don't print anything
+#
+
+SERVICE_QUIET=1
+SERVICE_SIG_RELOAD="HUP"
+SERVICE_SIG_STOP="TERM"
+SERVICE_STOP_TIME=5
+SERVICE_MATCH_EXEC=1
+
+service() {
+	local ssd
+	local exec
+	local name
+	local start
+	ssd="${SERVICE_DEBUG:+echo }start-stop-daemon${SERVICE_QUIET:+ -q}"
+	case "$1" in
+	  -C)
+		ssd="$ssd -K -t"
+		;;
+	  -S)
+		ssd="$ssd -S${SERVICE_DAEMONIZE:+ -b}${SERVICE_WRITE_PID:+ -m}"
+		start=1
+		;;
+	  -K)
+		ssd="$ssd -K${SERVICE_SIG:+ -s $SERVICE_SIG}"
+		;;
+	  *)
+		echo "service: unknown ACTION '$1'" 1>&2
+		return 1
+	esac
+	shift
+	exec="$1"
+	[ -n "$exec" ] || {
+		echo "service: missing argument" 1>&2
+		return 1
+	}
+	[ -x "$exec" ] || {
+		echo "service: file '$exec' is not executable" 1>&2
+		return 1
+	}
+	name="${SERVICE_NAME:-${exec##*/}}"
+	[ -z "$SERVICE_USE_PID$SERVICE_WRITE_PID$SERVICE_PID_FILE" ] \
+		|| ssd="$ssd -p ${SERVICE_PID_FILE:-/var/run/$name.pid}"
+	[ -z "$SERVICE_MATCH_NAME" ] || ssd="$ssd -n $name"
+	ssd="$ssd${SERVICE_UID:+ -c $SERVICE_UID${SERVICE_GID:+:$SERVICE_GID}}"
+	[ -z "$SERVICE_MATCH_EXEC$start" ] || ssd="$ssd -x $exec"
+	shift
+	$ssd${1:+ -- "$@"}
+}
+
+service_check() {
+	service -C "$@"
+}
+
+service_signal() {
+	SERVICE_SIG="${SERVICE_SIG:-USR1}" service -K "$@"
+}
+
+service_start() {
+	service -S "$@"
+}
+
+service_stop() {
+	local try
+	SERVICE_SIG="${SERVICE_SIG:-$SERVICE_SIG_STOP}" service -K "$@" || return 1
+	while [ $((try++)) -lt $SERVICE_STOP_TIME ]; do
+		service -C "$@" || return 0
+		sleep 1
+	done
+	SERVICE_SIG="KILL" service -K "$@"
+	sleep 1
+	! service -C "$@"
+}
+
+service_reload() {
+	SERVICE_SIG="${SERVICE_SIG:-$SERVICE_SIG_RELOAD}" service -K "$@"
+}
+
+service_kill() {
+	cat 1>&2 << __END_OF_WARNING__
+#
+# WARNING: the 'service_kill' function is now deprecated and might be 
+# removed soon. Consider using the other new service_* wrappers instead.
+#
+__END_OF_WARNING__
+	local name="${1}"
+	local pid="${2:-$(pidof "$name")}"
+	local grace="${3:-5}"
+
+	[ -f "$pid" ] && pid="$(head -n1 "$pid" 2>/dev/null)"
+
+	for pid in $pid; do
+		[ -d "/proc/$pid" ] || continue
+		local try=0
+		kill -TERM $pid 2>/dev/null && \
+			while grep -qs "$name" "/proc/$pid/cmdline" && [ $((try++)) -lt $grace ]; do sleep 1; done
+		kill -KILL $pid 2>/dev/null && \
+			while grep -qs "$name" "/proc/$pid/cmdline"; do sleep 1; done
+	done
+}
+
+
+group_add() {
+	local name="$1"
+	local gid="$2"
+	local rc
+	[ -f "${IPKG_INSTROOT}/etc/group" ] || return 1
+	[ -n "$IPKG_INSTROOT" ] || lock /var/lock/group
+	echo "${name}:x:${gid}:" >> ${IPKG_INSTROOT}/etc/group
+	rc=$?
+	[ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/group
+	return $rc
+}
+
+group_exists() {
+	grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/group
+}
+
+user_add() {
+	local name="${1}"
+	local uid="${2}"
+	local gid="${3:-$2}"
+	local desc="${4:-$1}"
+	local home="${5:-/var/run/$1}"
+	local shell="${6:-/bin/false}"
+	local rc
+	[ -f "${IPKG_INSTROOT}/etc/passwd" ] || return 1
+	[ -n "$IPKG_INSTROOT" ] || lock /var/lock/passwd
+	echo "${name}:x:${uid}:${gid}:${desc}:${home}:${shell}" >> ${IPKG_INSTROOT}/etc/passwd
+	rc=$?
+	[ -n "$IPKG_INSTROOT" ] || lock -u /var/lock/passwd
+	return $rc
+}
+
+user_exists() {
+	grep -qs "^${1}:" ${IPKG_INSTROOT}/etc/passwd
+}
+
+
+pi_include() {
+	if [ -f "/tmp/overlay/$1" ]; then
+		. "/tmp/overlay/$1"
+	elif [ -f "$1" ]; then
+		. "$1"
+	elif [ -d "/tmp/overlay/$1" ]; then
+		if [ -n "$(ls /tmp/overlay/$1/*.sh 2>/dev/null)" ]; then
+			for src_script in /tmp/overlay/$1/*.sh; do
+				. "$src_script"
+			done
+		fi
+	elif [ -d "$1" ]; then
+		if [ -n "$(ls $1/*.sh 2>/dev/null)" ]; then
+			for src_script in $1/*.sh; do
+				. "$src_script"
+			done
+		fi
+	else
+		echo "WARNING: $1 not found"
+		return 1
+	fi
+	return 0
+}
+
+[ -z "$IPKG_INSTROOT" -a -f /lib/config/uci.sh ] && . /lib/config/uci.sh
-- 
2.30.2