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#!/bin/sh /etc/rc.common
# Copyright © 2012 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
START=70
STOP=30
USERS_C=/var/etc/nut/upsd.users
UPSD_C=/var/etc/nut/upsd.conf
UPS_C=/var/etc/nut/ups.conf
USE_PROCD=1
get_write_driver_config() {
local cfg="$1"
local var="$2"
local def="$3"
local flag="$4"
local val
[ -z "$flag" ] && {
config_get val "$cfg" "$var" "$def"
[ -n "$val" ] && [ "$val" != "0" ] && echo "$var = $val" >>"$UPS_C"
}
[ -n "$flag" ] && {
config_get_bool val "$cfg" "$var" "$def"
[ "$val" = 1 ] && echo "$var" >>"$UPS_C"
}
}
upsd_statepath() {
local statepath
config_get statepath upsd statepath /var/run/nut
STATEPATH="$statepath"
}
upsd_runas() {
local runas
[ -n "$RUNAS" ] && return 0
config_get runas upsd runas nut
RUNAS="$runas"
}
listen_address() {
local cfg="$1"
config_get address "$cfg" address "::1"
config_get port "$cfg" port
echo "LISTEN $address $port" >>"$UPSD_C"
}
upsd_config() {
local cfg="$1"
local maxage maxconn certfile runas statepath
# Note runas support requires you make sure USB device file is readable by
# the runas user
config_get runas "$cfg" runas nut
RUNAS="$runas"
config_get statepath "$cfg" statepath /var/run/nut
STATEPATH="$statepath"
config_get maxage "$cfg" maxage
[ -n "$maxage" ] && echo "MAXAGE $maxage" >>"$UPSD_C"
[ -n "$statepath" ] && echo "STATEPATH $statepath" >>"$UPSD_C"
config_get maxconn "$cfg" maxconn
[ -n "$maxconn" ] && echo "MAXCONN $maxconn" >>"$UPSD_C"
#NOTE: certs only apply to SSL-enabled version
config_get certfile "$cfg" certfile
[ -n "$certfile" ] && echo "CERTFILE $certfile" >>"$UPSD_C"
}
nut_user_add() {
local cfg="$1"
local a
local val
config_get val "$cfg" username "$1"
echo "[$val]" >> "$USERS_C"
config_get val "$cfg" password
echo " password = $val" >> "$USERS_C"
config_get val "$cfg" actions
for a in $val; do
echo " actions = $a" >> "$USERS_C"
done
instcmd() {
local val="$1"
echo " instcmds = $val" >> "$USERS_C"
}
config_list_foreach "$cfg" instcmd instcmd
config_get val "$cfg" upsmon
if [ -n "$val" ]; then
echo " upsmon $val" >> "$USERS_C"
fi
}
build_server_config() {
mkdir -p "$(dirname "$UPSD_C")"
chmod 0640 "$UPS_C"
rm -f "$USERS_C"
rm -f "$UPSD_C"
rm -f /var/etc/nut/nut.conf
echo "# Config file automatically generated from UCI config" > "$USERS_C"
echo "# Config file automatically generated from UCI config" > "$UPSD_C"
config_foreach nut_user_add user
config_foreach listen_address listen_address
config_foreach upsd_config upsd
echo "MODE=netserver" >>/var/etc/nut/nut.conf
chmod 0640 "$USERS_C"
chmod 0640 "$UPSD_C"
chmod 0644 /var/etc/nut/nut.conf
[ -d "${STATEPATH}" ] || {
mkdir -p "${STATEPATH}"
chmod 0750 "${STATEPATH}"
}
if [ -n "$RUNAS" ]; then
chown "$RUNAS":"$(id -gn "$RUNAS")" "${STATEPATH}"
chgrp "$(id -gn "$RUNAS")" "$USERS_C"
chgrp "$(id -gn "$RUNAS")" "$UPSD_C"
fi
haveserver=1
}
build_driver_config() {
local cfg="$1"
echo "[$cfg]" >>"$UPS_C"
get_write_driver_config "$cfg" bus
get_write_driver_config "$cfg" community
get_write_driver_config "$cfg" desc
get_write_driver_config "$cfg" driver "usbhid-ups"
get_write_driver_config "$cfg" ignorelb 0 1
get_write_driver_config "$cfg" interruptonly 0 1
get_write_driver_config "$cfg" interruptsize
get_write_driver_config "$cfg" maxreport
get_write_driver_config "$cfg" maxstartdelay
get_write_driver_config "$cfg" mfr
get_write_driver_config "$cfg" model
get_write_driver_config "$cfg" nolock 0 1
get_write_driver_config "$cfg" notransferoids 0 1
get_write_driver_config "$cfg" offdelay
get_write_driver_config "$cfg" ondelay
get_write_driver_config "$cfg" pollfreq
get_write_driver_config "$cfg" port "auto"
get_write_driver_config "$cfg" product
get_write_driver_config "$cfg" productid
get_write_driver_config "$cfg" retrydelay
get_write_driver_config "$cfg" sdorder
get_write_driver_config "$cfg" sdtime
get_write_driver_config "$cfg" serial
get_write_driver_config "$cfg" snmp_version
get_write_driver_config "$cfg" snmp_retries
get_write_driver_config "$cfg" snmp_timeout
get_write_driver_config "$cfg" synchronous
get_write_driver_config "$cfg" vendor
get_write_driver_config "$cfg" vendorid
defoverride() {
local overvar="$1"
local defover="$2"
local overtype="$(echo "$overvar" | tr '_' '.')"
local overval
config_get overval "${defover}_${overvar}" value
[ -n "$overval" ] && echo "${defover}.${overtype} = $overval" >>"$UPS_C"
}
config_list_foreach "$cfg" override defoverride override
config_list_foreach "$cfg" default defoverride default
other() {
local othervar="$1"
local othervarflag="$2"
local otherval
if [ "$othervarflag" = "otherflag" ]; then
config_get_bool otherval "${othervarflag}_${othervar}" value
[ "$otherval" = "1" ] && echo "${othervar}" >>"$UPS_C"
else
config_get otherval "${othervarflag}_${othervar}" value
[ -n "$otherval" ] && echo "${othervar} = $otherval" >>"$UPS_C"
fi
}
config_list_foreach "$cfg" other other other
config_list_foreach "$cfg" otherflag other otherflag
echo "" >>$UPS_C
havedriver=1
}
build_global_driver_config() {
local cfg="$1"
# Global driver config
get_write_driver_config "$cfg" chroot
get_write_driver_config "$cfg" driverpath
get_write_driver_config "$cfg" maxstartdelay
get_write_driver_config "$cfg" maxretry
get_write_driver_config "$cfg" retrydelay
get_write_driver_config "$cfg" pollinterval
get_write_driver_config "$cfg" synchronous
config_get runas "$cfg" user nut
RUNAS="$runas"
echo "" >>"$UPS_C"
}
build_config() {
local STATEPATH=/var/run/nut
mkdir -p "$(dirname "$UPS_C")"
rm -f "$UPS_C"
echo "# Config file automatically generated from UCI config" > "$UPS_C"
chmod 0640 "$UPS_C"
config_load nut_server
upsd_runas
config_foreach build_global_driver_config driver_global
config_foreach build_driver_config driver
upsd_statepath
build_server_config
[ -n "$RUNAS" ] && chgrp "$(id -gn "$RUNAS")" "$UPS_C"
}
start_driver_instance() {
local cfg="$1"
local requested="$2"
local driver
local STATEPATH=/var/run/nut
local RUNAS=nut
[ "$havedriver" != 1 ] && return
# If wanting a specific instance, only start it
if [ "$requested" != "$cfg" ] && [ "$request" != "" ]; then
return 0
fi
mkdir -p "$(dirname "$UPS_C")"
chmod 0755 "$UPS_C"
upsd_statepath
build_config
# Avoid hotplug inadvertenly restarting driver during
# forced shutdown
[ -f /var/run/killpower ] && return 0
if [ -d /var/run/nut ] && [ -f /var/run/nut/disable-hotplug ]; then
return 0
fi
if [ -n "$RUNAS" ]; then
chown "$RUNAS":"$(id -gn "$RUNAS")" "${STATEPATH}"
chgrp "$(id -gn "$RUNAS")" "$UPS_C"
fi
config_get driver "$cfg" driver "usbhid-ups"
procd_open_instance "$cfg"
procd_set_param respawn
procd_set_param stderr 0
procd_set_param stdout 1
procd_set_param command /lib/nut/"${driver}" -D -a "$cfg" ${RUNAS:+-u "$RUNAS"}
procd_close_instance
}
interface_triggers() {
local action="$1"
local triggerlist trigger
config_get triggerlist upsd triggerlist
. /lib/functions/network.sh
if [ -n "$triggerlist" ]; then
for trigger in $triggerlist; do
if [ "$action" = "add_trigger" ]; then
procd_add_interface_trigger "interface.*" "$trigger" /etc/init.d/nut-server reload
else
network_is_up "$trigger" && return 0
fi
done
else
if [ "$action" = "add_trigger" ]; then
procd_add_raw_trigger "interface.*.up" 2000 /etc/init.d/nut-server reload
else
ubus call network.device status | grep -q '"up": true' && return 0
fi
fi
[ "$action" = "add_trigger" ] || return 1
}
start_server_instance() {
local cfg="$1"
[ "$haveserver" != 1 ] && return
interface_triggers "check_interface_up" || return
procd_open_instance "$cfg"
procd_set_param respawn
procd_set_param stderr 0
procd_set_param stdout 1
procd_set_param command /usr/sbin/upsd -D ${RUNAS:+-u "$RUNAS"}
procd_close_instance
}
start_service() {
local STATEPATH=/var/run/nut
# Avoid hotplug inadvertenly restarting driver during
# forced shutdown
[ -f /var/run/killpower ] && return 0
config_load nut_server
build_config
case $@ in
"")
config_foreach start_driver_instance driver "$@"
start_server_instance upsd
;;
*upsd*)
start_server_instance upsd
;;
*)
config_foreach start_driver_instance driver "$@"
;;
esac
}
reload_service() {
stop_service "$@"
sleep 2
start_service "$@"
}
service_triggers() {
config_load nut_server
interface_triggers "add_trigger"
procd_add_reload_trigger "nut_server"
}