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316 lines
7.8 KiB
316 lines
7.8 KiB
#!/bin/sh /etc/rc.common
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# Copyright © 2012 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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START=50
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USERS_C=/var/etc/nut/upsd.users
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UPSD_C=/var/etc/nut/upsd.conf
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UPS_C=/var/etc/nut/ups.conf
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USE_PROCD=1
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get_write_driver_config() {
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local cfg="$1"
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local var="$2"
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local def="$3"
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local flag="$4"
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local val
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[ -z "$flag" ] && {
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config_get val "$cfg" "$var" "$def"
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[ -n "$val" ] && [ "$val" != "0" ] && echo "$var = $val" >>"$UPS_C"
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}
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[ -n "$flag" ] && {
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config_get_bool val "$cfg" "$var" "$def"
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[ "$val" = 1 ] && echo "$var" >>"$UPS_C"
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}
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}
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upsd_statepath() {
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local cfg="$1"
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local statepath
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config_get statepath "$cfg" statepath "/var/run/nut"
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STATEPATH="$statepath"
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}
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listen_address() {
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local cfg="$1"
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config_get address "$cfg" address "::1"
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config_get port "$cfg" port
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echo "LISTEN $address $port" >>"$UPSD_C"
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}
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upsd_config() {
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local cfg="$1"
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local maxage maxconn certfile runas statepath
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# Note runas support requires you make sure USB device file is readable by
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# the runas user
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config_get runas "$cfg" runas "nut"
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RUNAS="$runas"
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config_get statepath "$cfg" statepath "/var/run/nut"
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STATEPATH="$statepath"
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config_get maxage "$cfg" maxage
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[ -n "$maxage" ] && echo "MAXAGE $maxage" >>"$UPSD_C"
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[ -n "$statepath" ] && echo "STATEPATH $statepath" >>"$UPSD_C"
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config_get maxconn "$cfg" maxconn
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[ -n "$maxconn" ] && echo "MAXCONN $maxconn" >>"$UPSD_C"
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#NOTE: certs only apply to SSL-enabled version
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config_get certfile "$cfg" certfile
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[ -n "$certfile" ] && echo "CERTFILE $certfile" >>"$UPSD_C"
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}
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nut_user_add() {
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local cfg="$1"
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local a
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local val
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config_get val "$cfg" username "$1"
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echo "[$val]" >> "$USERS_C"
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config_get val "$cfg" password
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echo " password = $val" >> "$USERS_C"
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config_get val "$cfg" actions
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for a in $val; do
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echo " actions = $a" >> "$USERS_C"
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done
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instcmd() {
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local val="$1"
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echo " instcmds = $val" >> "$USERS_C"
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}
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config_list_foreach "$cfg" instcmd instcmd
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config_get val "$cfg" upsmon
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if [ -n "$val" ]; then
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echo " upsmon $val" >> "$USERS_C"
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fi
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}
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build_server_config() {
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mkdir -m 0755 -p "$(dirname "$UPSD_C")"
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rm -f "$USERS_C"
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rm -f "$UPSD_C"
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rm -f /var/etc/nut/nut.conf
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echo "# Config file automatically generated from UCI config" > "$USERS_C"
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echo "# Config file automatically generated from UCI config" > "$UPSD_C"
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config_foreach nut_user_add user
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config_foreach listen_address listen_address
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config_foreach upsd_config upsd
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echo "MODE=netserver" >>/var/etc/nut/nut.conf
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chmod 0640 "$USERS_C"
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chmod 0640 "$UPSD_C"
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chmod 0644 /var/etc/nut/nut.conf
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[ -d "${STATEPATH}" ] || {
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mkdir -m 0750 -p "${STATEPATH}"
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}
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if [ -n "$RUNAS" ]; then
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chown $RUNAS:$(id -gn $RUNAS) "${STATEPATH}"
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chgrp $(id -gn $RUNAS) "$USERS_C"
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chgrp $(id -gn $RUNAS) "$UPSD_C"
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fi
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haveserver=1
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}
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build_driver_config() {
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local cfg="$1"
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echo "[$cfg]" >>"$UPS_C"
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get_write_driver_config "$cfg" driver "usbhid-ups"
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get_write_driver_config "$cfg" port "auto"
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get_write_driver_config "$cfg" sdorder
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get_write_driver_config "$cfg" desc
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get_write_driver_config "$cfg" nolock 0 1
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get_write_driver_config "$cfg" ignorelb 0 1
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get_write_driver_config "$cfg" mfr
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get_write_driver_config "$cfg" model
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get_write_driver_config "$cfg" serial
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get_write_driver_config "$cfg" sdtime
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get_write_driver_config "$cfg" offdelay
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get_write_driver_config "$cfg" ondelay
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get_write_driver_config "$cfg" pollfreq
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get_write_driver_config "$cfg" vendor
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get_write_driver_config "$cfg" product
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get_write_driver_config "$cfg" bus
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get_write_driver_config "$cfg" interruptonly 0 1
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get_write_driver_config "$cfg" interruptsize
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get_write_driver_config "$cfg" maxreport
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get_write_driver_config "$cfg" vendorid
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get_write_driver_config "$cfg" productid
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get_write_driver_config "$cfg" community
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get_write_driver_config "$cfg" snmp_version
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get_write_driver_config "$cfg" snmp_retries
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get_write_driver_config "$cfg" snmp_timeout
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get_write_driver_config "$cfg" notransferoids 0 1
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get_write_driver_config "$cfg" maxstartdelay
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get_write_driver_config "$cfg" retrydelay
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get_write_driver_config "$cfg" synchronous
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get_write_driver_config "$cfg" other
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get_write_driver_config "$cfg" otherflag
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defoverride() {
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local overvar="$1"
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local defover="$2"
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local overtype="$(echo "$overvar" | tr '.' '_')"
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config_get overval "${defover}_${overtype}" value
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[ -n "$overval" ] && echo "${defover}.${overvar} = $overval" >>"$UPS_C"
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}
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config_list_foreach "$cfg" override defoverride override
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config_list_foreach "$cfg" default defoverride default
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other() {
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local othervar="$1"
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local othervarflag="$2"
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if [ "$othervarflag" = "otherflag" ]; then
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config_get_bool otherval "${othervarflag}_${overtype}" value
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[ "$otherval" = "1" ] && echo "${othervarflag}_${othervar}" >>"$UPS_C"
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else
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config_get otherval "${othervarflag}_${overtype}" value
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[ -n "$otherval" ] && echo "${othervarflag}_${othervar} = $otherval" >>"$UPS_C"
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fi
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}
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config_list_foreach "$cfg" override defoverride override
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config_list_foreach "$cfg" default defoverride default
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config_list_foreach "$cfg" default other other
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config_list_foreach "$cfg" default other otherflag
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echo "" >>$UPS_C
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havedriver=1
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}
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build_global_driver_config() {
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local cfg="$1"
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# Global driver config
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get_write_driver_config "$cfg" chroot
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get_write_driver_config "$cfg" driverpath
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get_write_driver_config "$cfg" maxstartdelay
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get_write_driver_config "$cfg" maxretry
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get_write_driver_config "$cfg" retrydelay
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get_write_driver_config "$cfg" pollinterval
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get_write_dirver_config "$cfg" synchronous
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config_get runas "$cfg" user "nut"
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RUNAS="$runas"
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echo "" >>$UPS_C
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}
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build_config() {
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local RUNAS=nut
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local STATEPATH=/var/run/nut
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mkdir -m 0755 -p "$(dirname "$UPS_C")"
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rm -f "$UPS_C"
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echo "# Config file automatically generated from UCI config" > "$UPS_C"
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chmod 0640 "$UPS_C"
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config_load nut_server
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config_foreach upsd_statepath upsd
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config_foreach build_global_driver_config driver_global
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config_foreach build_driver_config driver
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[ -n "$RUNAS" ] && chgrp $(id -gn $RUNAS) "$UPS_C"
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build_server_config
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}
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start_driver_instance() {
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local cfg="$1"
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local requested="$2"
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local driver
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local STATEPATH=/var/run/nut
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local RUNAS=nut
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[ "$havedriver" != 1 ] && return
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# If wanting a specific instance, only start it
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[ "$requested" != "$cfg" ] && [ x"$requested" != x ] && return 0
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mkdir -m 0755 -p "$(dirname "$UPS_C")"
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[ ! -s "$UPS_C" ] && build_config
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# Avoid hotplug inadvertenly restarting driver during
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# forced shutdown
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[ -f /var/run/killpower ] && return 0
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[ -d /var/run/nut ] && [ -f /var/run/nut/disable-hotplug ] && return 0
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config_foreach upsd_statepath upsd
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if [ -n "$RUNAS" ]; then
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chown $RUNAS:$(id -gn $RUNAS) "${STATEPATH}"
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fi
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config_get driver "$cfg" driver "usbhid-ups"
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procd_open_instance "$cfg"
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procd_set_param respawn
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procd_set_param stderr 0
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procd_set_param stdout 1
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procd_set_param command /lib/nut/${driver} -D -a "$cfg" ${RUNAS:+-u $RUNAS}
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procd_close_instance
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}
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start_server_instance() {
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local RUNAS
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build_config
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[ "$haveserver" != 1 ] && return
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procd_open_instance "upsd"
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procd_set_param respawn
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procd_set_param stderr 0
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procd_set_param stdout 1
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procd_set_param command /usr/sbin/upsd -D ${RUNAS:+-u $RUNAS}
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procd_close_instance
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}
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start_service() {
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local havedriver haveserver
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local STATEPATH=/var/run/nut
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# Avoid hotplug inadvertenly restarting driver during
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# forced shutdown
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[ -f /var/run/killpower ] && return 0
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[ -f /var/run/nut/disable-hotplug ] && return 0
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config_load nut_server
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build_config
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config_foreach start_driver_instance driver "$@"
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start_server_instance "upsd"
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}
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reload_service() {
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stop
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sleep 2
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local havedriver haveserver
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start
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}
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service_triggers() {
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procd_add_reload_trigger "nut_server"
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}
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