lldpd: remove unneeded quotes and variable quoting
[openwrt/staging/nbd.git] / package / network / services / lldpd / files / lldpd.init
index 22cb9db7493bbbaf6f728371c10698885d2d3d05..3fc47bb3e37fed05feb9a6db54c4678cd6a2fe71 100644 (file)
 #!/bin/sh /etc/rc.common
-# Copyright (C) 2008-2012 OpenWrt.org
+# Copyright (C) 2008-2015 OpenWrt.org
 
 START=90
+STOP=01
 
-SERVICE_USE_PID=1
+CONFIG_LLDPD_WITH_CDP=y
+CONFIG_LLDPD_WITH_EDP=y
+CONFIG_LLDPD_WITH_FDP=y
+CONFIG_LLDPD_WITH_LLDPMED=y
+CONFIG_LLDPD_WITH_SNMP=y
+CONFIG_LLDPD_WITH_SONMP=y
 
-start() {
+USE_PROCD=1
+LLDPDBIN=/usr/sbin/lldpd
+LLDPCLI=/usr/sbin/lldpcli
+LLDPSOCKET=/var/run/lldpd.socket
+LLDPD_CONF=/tmp/lldpd.conf
+LLDPD_CONFS_DIR=/tmp/lldpd.d
+
+LLDPD_RUN=/var/run/lldpd
+LLDPD_RESTART_HASH=${LLDPD_RUN}/lldpd.restart_hash
+
+. "$IPKG_INSTROOT/lib/functions/network.sh"
+
+find_release_info()
+{
+       [ -s /etc/os-release ] && . /etc/os-release
+       [ -z "$PRETTY_NAME" ] && [ -s /etc/openwrt_version ] && \
+               PRETTY_NAME="$(cat /etc/openwrt_version)"
+
+       echo "${PRETTY_NAME:-Unknown OpenWrt release} @ $(cat /proc/sys/kernel/hostname)"
+}
+
+get_config_restart_hash() {
+       local var="$1"
+       local _string _hash v
+
+       config_load 'lldpd'
+
+       config_get      v 'config' 'lldp_class'; append _string "$v" ","
+       if [ "$CONFIG_LLDPD_WITH_SNMP" == "y" ]; then
+               config_get      v 'config' 'agentxsocket'; append _string "$v" ","
+       fi
+       config_get      v 'config' 'cid_interface'; append _string "$v" ","
+       config_get      v 'config' 'filter'; append _string "$v" ","
+       config_get_bool v 'config' 'readonly_mode'; append _string "$v" ","
+       config_get_bool v 'config' 'lldp_no_version'; append _string "$v" ","
+       if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ]; then
+               config_get_bool v 'config' 'lldpmed_no_inventory'; append _string "$v" ","
+       fi
+       config_get_bool v 'config' 'enable_lldp' 1; append _string "$v" ","
+       config_get_bool v 'config' 'force_lldp'; append _string "$v" ","
+       if [ "$CONFIG_LLDPD_WITH_CDP" == "y" ]; then
+               config_get_bool v 'config' 'enable_cdp'; append _string "$v" ","
+               config_get      v 'config' 'cdp_version'; append _string "$v" ","
+               config_get_bool v 'config' 'force_cdp'; append _string "$v" ","
+               config_get_bool v 'config' 'force_cdpv2'; append _string "$v" ","
+       fi
+       if [ "$CONFIG_LLDPD_WITH_EDP" == "y" ]; then
+               config_get_bool v 'config' 'enable_edp'; append _string "$v" ","
+               config_get_bool v 'config' 'force_edp'; append _string "$v" ","
+       fi
+       if [ "$CONFIG_LLDPD_WITH_FDP" == "y" ]; then
+               config_get_bool v 'config' 'enable_fdp'; append _string "$v" ","
+               config_get_bool v 'config' 'force_fdp'; append _string "$v" ","
+       fi
+       if [ "$CONFIG_LLDPD_WITH_SONMP" == "y" ]; then
+               config_get_bool v 'config' 'enable_sonmp'; append _string "$v" ","
+               config_get_bool v 'config' 'force_sonmp'; append _string "$v" ","
+       fi
+
+       _hash=`echo -n "${_string}" | md5sum | awk '{ print \$1 }'`
+       export -n "$var=$_hash"
+}
+
+get_config_cid_ifaces() {
+       local _ifaces
+       config_get _ifaces 'config' 'cid_interface'
+
+       local _iface _ifnames=""
+       for _iface in $_ifaces; do
+               local _ifname=""
+               if network_get_device _ifname "$_iface" || [ -e "/sys/class/net/$_iface" ]; then
+                       append _ifnames "${_ifname:-$_iface}" ","
+               fi
+       done
+
+       export -n "${1}=$_ifnames"
+}
+
+write_lldpd_conf()
+{
+       local lldp_description
+
+       config_load 'lldpd'
+       config_get lldp_description 'config' 'lldp_description' "$(find_release_info)"
+
+       local lldp_hostname
+       config_get lldp_hostname 'config' 'lldp_hostname' "$(cat /proc/sys/kernel/hostname)"
+
+       local ifaces
+       config_get ifaces 'config' 'interface'
+
+       local iface ifnames=""
+       for iface in $ifaces; do
+               local ifname=""
+               if network_get_device ifname "$iface" || [ -e "/sys/class/net/$iface" ]; then
+                       append ifnames "${ifname:-$iface}" ","
+               fi
+       done
+
+       local lldp_mgmt_ip
+       config_get lldp_mgmt_ip 'config' 'lldp_mgmt_ip'
+
+       local lldp_syscapabilities
+       config_get lldp_syscapabilities 'config' 'lldp_syscapabilities'
+
+       if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ]; then
+               local lldpmed_fast_start
+               config_get_bool lldpmed_fast_start 'config' 'lldpmed_fast_start' 0
+
+               local lldpmed_fast_start_tx_interval
+               config_get lldpmed_fast_start_tx_interval 'config' 'lldpmed_fast_start_tx_interval' 0
+       fi
+
+       local lldp_agenttype
+       config_get lldp_agenttype 'config' 'lldp_agenttype' 'nearest-bridge'
+
+       local lldp_portidsubtype
+       config_get lldp_portidsubtype 'config' 'lldp_portidsubtype' 'macaddress'
+
+       local lldp_platform
+       config_get lldp_platform 'config' 'lldp_platform' ""
+
+       local lldp_tx_interval
+       config_get lldp_tx_interval 'config' 'lldp_tx_interval' 0
+
+       local lldp_tx_hold
+       config_get lldp_tx_hold 'config' 'lldp_tx_hold' 0
+
+       # Clear out the config file first
+       echo -n > "$LLDPD_CONF"
+       [ -n "$ifnames" ] && echo "configure system interface pattern" "$ifnames" >> "$LLDPD_CONF"
+       [ -n "$lldp_description" ] && echo "configure system description" "\"$lldp_description\"" >> "$LLDPD_CONF"
+       [ -n "$lldp_hostname" ] && echo "configure system hostname" "\"$lldp_hostname\"" >> "$LLDPD_CONF"
+       [ -n "$lldp_mgmt_ip" ] && echo "configure system ip management pattern" "\"$lldp_mgmt_ip\"" >> "$LLDPD_CONF"
+       [ -n "$lldp_syscapabilities" ] && echo "configure system capabilities enabled $lldp_syscapabilities" >> "$LLDPD_CONF"
+       if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ] && [ $lldpmed_fast_start -gt 0 ]; then
+               if [ $lldpmed_fast_start_tx_interval -gt 0 ]; then
+                       echo "configure med fast-start tx-interval $lldpmed_fast_start_tx_interval" >> "$LLDPD_CONF"
+               else
+                       echo "configure med fast-start enable" >> "$LLDPD_CONF"
+               fi
+       fi
+       [ -n "$lldp_agenttype" ] && echo "configure lldp agent-type" "\"$lldp_agenttype\"" >> "$LLDPD_CONF"
+       [ -n "$lldp_portidsubtype" ] && echo "configure lldp portidsubtype" "\"$lldp_portidsubtype\"" >> "$LLDPD_CONF"
+       [ -n "$lldp_platform" ] && echo "configure system platform" "\"$lldp_platform\"" >> "$LLDPD_CONF"
+       [ $lldp_tx_interval -gt 0 ] && echo "configure lldp tx-interval" "$lldp_tx_interval" >> "$LLDPD_CONF"
+       [ $lldp_tx_hold -gt 0 ] && echo "configure lldp tx-hold" "$lldp_tx_hold" >> "$LLDPD_CONF"
+
+       # Since lldpd's sysconfdir is /tmp, we'll symlink /etc/lldpd.d to /tmp/$LLDPD_CONFS_DIR
+       [ -e $LLDPD_CONFS_DIR ] || ln -s /etc/lldpd.d $LLDPD_CONFS_DIR
+}
+
+start_service() {
+
+       local enable_lldp
+       local force_lldp
        local enable_cdp
+       local cdp_version
+       local force_cdp
+       local force_cdpv2
        local enable_fdp
+       local force_fdp
        local enable_sonmp
+       local force_sonmp
        local enable_edp
+       local force_edp
        local lldp_class
        local lldp_location
+       local lldp_no_version
+       local lldpmed_no_inventory
+       local readonly_mode
+       local agentxsocket
+       local filter
 
        config_load 'lldpd'
-       config_get_bool enable_cdp 'config' 'enable_cdp' 0
-       config_get_bool enable_fdp 'config' 'enable_fdp' 0
-       config_get_bool enable_sonmp 'config' 'enable_sonmp' 0
-       config_get_bool enable_edp 'config' 'enable_edp' 0
+       config_get_bool enable_lldp 'config' 'enable_lldp' 1
+       config_get_bool force_lldp 'config' 'force_lldp' 0
+       if [ "$CONFIG_LLDPD_WITH_CDP" == "y" ]; then
+               config_get_bool enable_cdp 'config' 'enable_cdp' 0
+               config_get cdp_version 'config' 'cdp_version' 'cdpv1v2'
+               config_get_bool force_cdp 'config' 'force_cdp' 0
+               config_get_bool force_cdpv2 'config' 'force_cdpv2' 0
+       fi
+       if [ "$CONFIG_LLDPD_WITH_FDP" == "y" ]; then
+               config_get_bool enable_fdp 'config' 'enable_fdp' 0
+               config_get_bool force_fdp 'config' 'force_fdp' 0
+       fi
+       if [ "$CONFIG_LLDPD_WITH_SONMP" == "y" ]; then
+               config_get_bool enable_sonmp 'config' 'enable_sonmp' 0
+               config_get_bool force_sonmp 'config' 'force_sonmp' 0
+       fi
+       if [ "$CONFIG_LLDPD_WITH_EDP" == "y" ]; then
+               config_get_bool enable_edp 'config' 'enable_edp' 0
+               config_get_bool force_edp 'config' 'force_edp' 0
+       fi
        config_get lldp_class 'config' 'lldp_class'
        config_get lldp_location 'config' 'lldp_location'
+       config_get_bool lldp_no_version 'config' 'lldp_no_version' 0
+       if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ]; then
+               config_get_bool lldpmed_no_inventory 'config' 'lldpmed_no_inventory' 0
+       fi
+       config_get_bool readonly_mode 'config' 'readonly_mode' 0
+       if [ "$CONFIG_LLDPD_WITH_SNMP" == "y" ]; then
+               config_get agentxsocket 'config' 'agentxsocket'
+       fi
+       config_get filter 'config' 'filter' 15
+
+       mkdir -p ${LLDPD_RUN}
+       chown lldp:lldp ${LLDPD_RUN}
+
+       # When lldpd starts, it also loads up what we write in this config file
+       write_lldpd_conf
+
+       procd_open_instance
+       procd_set_param command ${LLDPDBIN}
+       procd_append_param command -d
+
+       if [ $enable_lldp -gt 0 ]; then
+               if [ $force_lldp -gt 0 ]; then
+                       procd_append_param command '-l'
+               fi
+       else
+               # Disable LLDP
+               procd_append_param command '-ll'
+       fi
 
-       [ $enable_cdp -gt 0 ] && append args '-c'
-       [ $enable_fdp -gt 0 ] && append args '-f'
-       [ $enable_sonmp -gt 0 ] && append args '-s'
-       [ $enable_edp -gt 0 ] && append args '-e'
+       if [ "$CONFIG_LLDPD_WITH_CDP" == "y" ] && [ $enable_cdp -gt 0 ]; then
+               if [ $cdp_version == "cdpv2" ]; then
+                       if [ $force_cdp -gt 0 ]; then
+                               # CDPv1 disabled, CDPv2 forced
+                               procd_append_param command '-ccccc'
+                       else
+                               # CDPv1 disabled, CDPv2 enabled
+                               procd_append_param command '-cccc'
+                       fi
+               elif [ $cdp_version == "cdpv1v2" ]; then
+                       if [ $force_cdp -gt 0 ] && [ $force_cdpv2 -gt 0 ]; then
+                               # CDPv1 enabled, CDPv2 forced
+                               procd_append_param command '-ccc'
+                       elif [ $force_cdp -gt 0 ]; then
+                               # CDPv1 forced, CDPv2 enabled
+                               procd_append_param command '-cc'
+                       else
+                               # CDPv1 and CDPv2 enabled
+                               procd_append_param command '-c'
+                       fi
+               fi
+       fi
 
-       user_exists  lldp 121 || user_add  lldp 121 129
-       group_exists lldp 129 || group_add lldp 129
+       if [ "$CONFIG_LLDPD_WITH_FDP" == "y" ] && [ $enable_fdp -gt 0 ]; then
+               if [ $force_fdp -gt 0 ]; then
+                       # FDP enabled and forced
+                       procd_append_param command '-ff'
+               else
+                       # FDP enabled
+                       procd_append_param command '-f'
+               fi
+       fi
 
-       mkdir -p /var/run/lldp
-       chown lldp:lldp /var/run/lldp
+       if [ "$CONFIG_LLDPD_WITH_SONMP" == "y" ] && [ $enable_sonmp -gt 0 ]; then
+               if [ $force_sonmp -gt 0 ]; then
+                       # SONMP enabled and forced
+                       procd_append_param command '-ss'
+               else
+                       # SONMP enabled
+                       procd_append_param command '-s'
+               fi
+       fi
 
-       service_start /usr/sbin/lldpd $args \
-               ${lldp_class:+ -M $lldp_class}
+       if [ "$CONFIG_LLDPD_WITH_EDP" == "y" ] && [ $enable_edp -gt 0 ]; then
+               if [ $force_edp -gt 0 ]; then
+                       # EDP enabled and forced
+                       procd_append_param command '-ee'
+               else
+                       # EDP enabled
+                       procd_append_param command '-e'
+               fi
+       fi
 
-       [ -n "$lldp_location" ] && {
-               sleep 1
-               /usr/sbin/lldpctl -L "$lldp_location" > /dev/null 2>&1
-       }
+       [ $readonly_mode -gt 0 ] && procd_append_param command '-r'
+       [ $lldp_no_version -gt 0 ] && procd_append_param command '-k'
+       [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ] && [ $lldpmed_no_inventory -gt 0 ] && procd_append_param command '-i'
+       [ -n "$lldp_class" ] && procd_append_param command -M "$lldp_class"
+       [ "$CONFIG_LLDPD_WITH_SNMP" == "y" ] && [ -n "$agentxsocket" ] && procd_append_param command -x -X "$agentxsocket"
+       [ -n "$filter" ] && procd_append_param command -H "$filter"
+
+    # ChassisID interfaces
+       local ifnames
+       get_config_cid_ifaces ifnames
+       [ -n "$ifnames" ] && procd_append_param command -C "$ifnames"
+
+    # Overwrite default configuration locations processed by lldpcli at start
+       procd_append_param command -O "$LLDPD_CONF"
+
+       local restart_hash
+       get_config_restart_hash restart_hash
+       echo -n "$restart_hash" > $LLDPD_RESTART_HASH
+
+       # set auto respawn behavior
+       procd_set_param respawn
+       procd_close_instance
 }
 
-stop() {
-       service_stop /usr/sbin/lldpd
-       rm -f /var/run/lldpd.socket /var/run/lldpd.pid
+service_triggers() {
+       procd_add_config_trigger "config.change" "lldpd" /etc/init.d/lldpd reload
 }
+
+reload_service() {
+       running || return 1
+       
+       local running_hash=""
+       local config_hash=""
+
+       get_config_restart_hash config_hash
+       if [ -f ${LLDPD_RESTART_HASH} ]; then running_hash=`cat $LLDPD_RESTART_HASH`; fi
+
+       if [ "x$running_hash" != "x$config_hash" ]; then
+               # Restart LLDPd
+               # Some parameters can't be configured at runtime
+               restart
+               return 0
+       fi
+
+       $LLDPCLI -u $LLDPSOCKET &> /dev/null <<-EOF
+               pause
+               unconfigure lldp custom-tlv
+               unconfigure system interface pattern
+               unconfigure system description
+               unconfigure system hostname
+               unconfigure system ip management pattern
+               unconfigure system platform
+       EOF
+       if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ]; then
+               $LLDPCLI -u $LLDPSOCKET &> /dev/null <<-EOF
+                       unconfigure med fast-start
+               EOF
+
+       fi
+       # Rewrite lldpd.conf
+       # If something changed it should be included by the lldpcli call
+       write_lldpd_conf
+       $LLDPCLI -u $LLDPSOCKET -c $LLDPD_CONF -c $LLDPD_CONFS_DIR &> /dev/null
+       # Broadcast update over the wire
+       $LLDPCLI -u $LLDPSOCKET &> /dev/null <<-EOF
+               resume
+               update
+       EOF
+       return 0
+}
+
+stop_service() {
+       rm -rf ${LLDPD_RUN} $LLDPSOCKET 2>/dev/null
+}
+