#!/bin/sh /etc/rc.common
-# Copyright (C) 2008-2012 OpenWrt.org
+# Copyright (C) 2008-2015 OpenWrt.org
+# shellcheck disable=1091,2034,3037,3043,3045
START=90
+STOP=01
+
+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
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/openwrt_release ] && . /etc/openwrt_release
- [ -z "$DISTRIB_DESCRIPTION" ] && [ -s /etc/openwrt_version ] && \
- DISTRIB_DESCRIPTION="$(cat /etc/openwrt_version)"
+ [ -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
- echo "${DISTRIB_DESCRIPTION:-Unknown OpenWrt release} @ $(cat /proc/sys/kernel/hostname)"
+ _hash=$(echo -n "${_string}" | md5sum | awk '{ print $1 }')
+ export -n "$var=$_hash"
+}
+
+get_config_cid_ifaces() {
+ local _ifaces
+ config_get _ifaces 'config' "$2"
+
+ local _iface _ifnames=""
+ # Set noglob to prevent '*' capturing diverse file names in the for ... in
+ set -o noglob
+ for _iface in $_ifaces; do
+
+ local _l2device=""
+ if network_get_physdev _l2device "$_iface" || [ -e "/sys/class/net/$_iface" ]; then
+ append _ifnames "${_l2device:-$_iface}" ","
+ else
+ # Glob case (interface is e.g. '!eth1' or 'eth*' or '*')
+ append _ifnames "$_iface" ","
+ fi
+ done
+ # Turn noglob off i.e. enable glob again
+ set +o noglob
+
+ 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 ifnames
+ get_config_cid_ifaces ifnames "interface"
+
+ local lldp_mgmt_ip
+ config_get lldp_mgmt_ip 'config' 'lldp_mgmt_ip'
+
+ # Configurable capabilities in lldpd >= v1.0.15: defaults to 'unconfigured' i.e. kernel info
+ local lldp_syscapabilities
+ config_get lldp_syscapabilities 'config' 'lldp_syscapabilities'
+
+ # Configurable capabilities in lldpd >= v1.0.15: defaults to on in lldpd
+ local lldp_capability_advertisements
+ config_get_bool lldp_capability_advertisements 'config' 'lldp_capability_advertisements' 1
+
+ # Broadcast management address in lldpd >= 0.7.15: defaults to on in lldpd
+ local lldp_mgmt_addr_advertisements
+ config_get_bool lldp_mgmt_addr_advertisements 'config' 'lldp_mgmt_addr_advertisements' 1
+
+ if [ "$CONFIG_LLDPD_WITH_LLDPMED" = "y" ]; then
+ local lldpmed_fast_start
+ config_get_bool lldpmed_fast_start 'config' 'lldpmed_fast_start' 0
+
+ local lldpmed_fast_start_tx_interval
+ config_get lldpmed_fast_start_tx_interval 'config' 'lldpmed_fast_start_tx_interval' 0
+
+ local lldp_location
+ config_get lldp_location 'config' 'lldp_location'
+
+ local lldp_class
+ config_get lldp_class 'config' 'lldp_class'
+
+ local lldp_policy
+ config_get lldp_policy 'config' 'lldp_policy'
+
+ fi
+
+ local lldp_agenttype
+ config_get lldp_agenttype 'config' 'lldp_agenttype' 'nearest-bridge'
+
+ local lldp_portidsubtype
+ config_get lldp_portidsubtype 'config' 'lldp_portidsubtype' 'macaddress'
+
+ local lldp_platform
+ config_get lldp_platform 'config' 'lldp_platform' ""
+
+ local lldp_tx_interval
+ config_get lldp_tx_interval 'config' 'lldp_tx_interval' 0
+
+ local lldp_tx_hold
+ config_get lldp_tx_hold 'config' 'lldp_tx_hold' 0
+
+ # Clear out the config file first
+ echo -n > "$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" >> "$LLDPD_CONF"
+ fi
+ fi
+ if [ "$CONFIG_LLDPD_WITH_LLDPMED" = "y" ]; then
+ # other 'configure med xxx' statements go here
+
+ [ -n "$lldp_location" ] && echo "configure med location" "$lldp_location" >> "$LLDPD_CONF"
+
+ # Manual states that if Class (-M) is 2 or 3, at least one network policy must be defined
+ case "$lldp_class" in
+ 2 | 3 ) [ -n "$lldp_policy" ] && echo "configure med policy $lldp_policy" >> "$LLDPD_CONF"
+ ;;
+ esac
+
+ 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\"" >> "$LLDPD_CONF"
+ [ -n "$lldp_tx_interval" ] && 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"
+ [ "$lldp_capability_advertisements" -gt 0 ] && echo "configure lldp capabilities-advertisements" >> "$LLDPD_CONF" ||\
+ echo "unconfigure lldp capabilities-advertisements" >> "$LLDPD_CONF"
+ [ "$lldp_mgmt_addr_advertisements" -gt 0 ] && echo "configure lldp management-addresses-advertisements" >> "$LLDPD_CONF" ||\
+ echo "unconfigure lldp management-addresses-advertisements" >> "$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 "$LLDPD_CONFS_DIR"
}
start_service() {
- . /lib/functions/network.sh
+ local enable_lldp
+ local force_lldp
local enable_cdp
+ local cdp_version
+ local force_cdp
+ local force_cdpv2
local enable_fdp
+ local force_fdp
local enable_sonmp
+ local force_sonmp
local enable_edp
+ local force_edp
local lldp_class
- local lldp_location
- local lldp_description
+ local lldp_no_version
+ local lldpmed_no_inventory
local readonly_mode
+ local agentxsocket
+ local filter
config_load 'lldpd'
- config_get_bool enable_cdp 'config' 'enable_cdp' 0
- config_get_bool enable_fdp 'config' 'enable_fdp' 0
- config_get_bool enable_sonmp 'config' 'enable_sonmp' 0
- config_get_bool enable_edp 'config' 'enable_edp' 0
+ config_get_bool enable_lldp 'config' 'enable_lldp' 1
+ config_get_bool force_lldp 'config' 'force_lldp' 0
+ if [ "$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 [ "$CONFIG_LLDPD_WITH_EDP" = "y" ]; then
+ config_get_bool enable_edp 'config' 'enable_edp' 0
+ config_get_bool force_edp 'config' 'force_edp' 0
+ fi
config_get lldp_class 'config' 'lldp_class'
- config_get lldp_location 'config' 'lldp_location'
- config_get lldp_description 'config' 'lldp_description' "$(find_release_info)"
+ 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
- local ifaces
- config_get ifaces 'config' 'interface'
+ mkdir -p ${LLDPD_RUN}
+ chown lldp:lldp ${LLDPD_RUN}
- 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}" ","
+ # 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 [ "$force_lldp" -gt 0 ]; then
+ procd_append_param command '-l'
fi
- done
+ else
+ # Disable LLDP
+ procd_append_param command '-ll'
+ fi
- mkdir -p /var/run/lldp
- chown lldp:lldp /var/run/lldp
+ if [ "$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 [ "$force_cdp" -gt 0 ]; then
+ # CDPv1 forced, CDPv2 enabled
+ procd_append_param command '-cc'
+ else
+ # CDPv1 and CDPv2 enabled
+ procd_append_param command '-c'
+ fi
+ fi
+ fi
- procd_open_instance
- procd_set_param command /usr/sbin/lldpd
- procd_append_param command -d # don't daemonize, procd will handle that for us
-
- [ -n "$ifnames" ] && procd_append_param command -I "$ifnames"
- [ $enable_cdp -gt 0 ] && procd_append_param command '-c'
- [ $enable_fdp -gt 0 ] && procd_append_param command '-f'
- [ $enable_sonmp -gt 0 ] && procd_append_param command '-s'
- [ $enable_edp -gt 0 ] && procd_append_param command '-e'
- [ $readonly_mode -gt 0 ] && procd_append_param command '-r'
+ if [ "$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
+
+ if [ "$CONFIG_LLDPD_WITH_SONMP" = "y" ] && [ "$enable_sonmp" -gt 0 ]; then
+ if [ "$force_sonmp" -gt 0 ]; then
+ # SONMP enabled and forced
+ procd_append_param command '-ss'
+ else
+ # SONMP enabled
+ procd_append_param command '-s'
+ fi
+ fi
+
+ if [ "$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
+
+ [ "$readonly_mode" -gt 0 ] && procd_append_param command '-r'
+ [ "$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"
- [ -n "$lldp_description" ] && procd_append_param command -S "$lldp_description"
+ [ "$CONFIG_LLDPD_WITH_SNMP" = "y" ] && [ -n "$agentxsocket" ] && procd_append_param command -x -X "$agentxsocket"
+ [ -n "$filter" ] && procd_append_param command -H "$filter"
+
+ # ChassisID interfaces
+ local ifnames
+ get_config_cid_ifaces ifnames "cid_interface"
+
+ [ -n "$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_append_param respawn 3600
- procd_append_param respawn 5
- procd_append_param respawn -1
procd_close_instance
}
-service_running() {
- pgrep -x /usr/sbin/lldpd &> /dev/null
+service_triggers() {
+ procd_add_config_trigger "config.change" "lldpd" /etc/init.d/lldpd reload
}
reload_service() {
running || return 1
- # Custom TLVs are special and should be
- # reloaded from config during lldpd reload
- $LLDPCLI -u $LLDPSOCKET unconfigure lldp custom-tlv &> /dev/null
- $LLDPCLI -u $LLDPSOCKET -c /etc/lldpd.conf -c /etc/lldpd.d &> /dev/null
+
+ local running_hash=""
+ local config_hash=""
+
+ get_config_restart_hash config_hash
+ [ -f ${LLDPD_RESTART_HASH} ] && running_hash=$(cat "$LLDPD_RESTART_HASH")
+
+ if [ "x$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 2>&1 <<-EOF
+ pause
+ unconfigure lldp custom-tlv
+ unconfigure lldp capabilities-advertisements
+ unconfigure lldp management-addresses-advertisements
+ # unconfigures user-configured system capabilities, and instead uses the kernel information:
+ unconfigure system capabilities enabled
+ 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 2>&1 <<-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 2>&1
# Broadcast update over the wire
- $LLDPCLI -u $LLDPSOCKET update &> /dev/null
+ $LLDPCLI -u "$LLDPSOCKET" >/dev/null 2>&1 <<-EOF
+ resume
+ update
+ EOF
return 0
}
stop_service() {
- rm -rf /var/run/lldp $LLDPSOCKET
+ rm -rf ${LLDPD_RUN} "$LLDPSOCKET" >/dev/null 2>&1
}
+