package/network/services/lldpd/files/lldpd.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2008-2015 OpenWrt.org
   3
   4 START=90
   5 STOP=01
   6
   7 CONFIG_LLDPD_WITH_CDP=y
   8 CONFIG_LLDPD_WITH_FDP=y
   9 CONFIG_LLDPD_WITH_LLDPMED=y
  10 CONFIG_LLDPD_WITH_SONMP=y
  11
  12 USE_PROCD=1
  13 LLDPDBIN=/usr/sbin/lldpd
  14 LLDPCLI=/usr/sbin/lldpcli
  15 LLDPSOCKET=/var/run/lldpd.socket
  16 LLDPD_CONF=/tmp/lldpd.conf
  17 LLDPD_CONFS_DIR=/tmp/lldpd.d
  18
  19 LLDPD_RUN=/var/run/lldpd
  20 LLDPD_RESTART_HASH=${LLDPD_RUN}/lldpd.restart_hash
  21
  22 . "$IPKG_INSTROOT/lib/functions/network.sh"
  23
  24 find_release_info()
  25 {
  26         [ -s /etc/os-release ] && . /etc/os-release
  27         [ -z "$PRETTY_NAME" ] && [ -s /etc/openwrt_version ] && \
  28                 PRETTY_NAME="$(cat /etc/openwrt_version)"
  29
  30         echo "${PRETTY_NAME:-Unknown OpenWrt release} @ $(cat /proc/sys/kernel/hostname)"
  31 }
  32
  33 get_config_restart_hash() {
  34         local var="$1"
  35         local _string _hash v
  36
  37         config_load 'lldpd'
  38
  39         config_get      v 'config' 'lldp_class'; append _string "$v" ","
  40         config_get      v 'config' 'agentxsocket'; append _string "$v" ","
  41         config_get      v 'config' 'cid_interface'; append _string "$v" ","
  42         config_get      v 'config' 'filter'; append _string "$v" ","
  43         config_get_bool v 'config' 'readonly_mode'; append _string "$v" ","
  44         config_get_bool v 'config' 'lldp_no_version'; append _string "$v" ","
  45         if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ]; then
  46                 config_get_bool v 'config' 'lldpmed_no_inventory'; append _string "$v" ","
  47         fi
  48         config_get_bool v 'config' 'enable_lldp' 1; append _string "$v" ","
  49         config_get_bool v 'config' 'force_lldp'; append _string "$v" ","
  50         if [ "$CONFIG_LLDPD_WITH_CDP" == "y" ]; then
  51                 config_get_bool v 'config' 'enable_cdp'; append _string "$v" ","
  52                 config_get      v 'config' 'cdp_version'; append _string "$v" ","
  53                 config_get_bool v 'config' 'force_cdp'; append _string "$v" ","
  54                 config_get_bool v 'config' 'force_cdpv2'; append _string "$v" ","
  55         fi
  56         config_get_bool v 'config' 'enable_edp'; append _string "$v" ","
  57         if [ "$CONFIG_LLDPD_WITH_FDP" == "y" ]; then
  58                 config_get_bool v 'config' 'enable_fdp'; append _string "$v" ","
  59                 config_get_bool v 'config' 'force_fdp'; append _string "$v" ","
  60         fi
  61         if [ "$CONFIG_LLDPD_WITH_SONMP" == "y" ]; then
  62                 config_get_bool v 'config' 'enable_sonmp'; append _string "$v" ","
  63                 config_get_bool v 'config' 'force_sonmp'; append _string "$v" ","
  64         fi
  65
  66         _hash=`echo -n "${_string}" | md5sum | awk '{ print \$1 }'`
  67         export -n "$var=$_hash"
  68 }
  69
  70 get_config_cid_ifaces() {
  71         local _ifacesCONFIG_LLDPD_WITH_FDP
  72
  73         local _iface _ifnames=""
  74         for _iface in $_ifaces; do
  75                 local _ifname=""
  76                 if network_get_device _ifname "$_iface" || [ -e "/sys/class/net/$_iface" ]; then
  77                         append _ifnames "${_ifname:-$_iface}" ","
  78                 fi
  79         done
  80
  81         export -n "${1}=$_ifnames"
  82 }
  83
  84 write_lldpd_conf()
  85 {
  86         local lldp_description
  87
  88         config_load 'lldpd'
  89         config_get lldp_description 'config' 'lldp_description' "$(find_release_info)"
  90
  91         local lldp_hostname
  92         config_get lldp_hostname 'config' 'lldp_hostname' "$(cat /proc/sys/kernel/hostname)"
  93
  94         local ifaces
  95         config_get ifaces 'config' 'interface'
  96
  97         local iface ifnames=""
  98         for iface in $ifaces; do
  99                 local ifname=""
 100                 if network_get_device ifname "$iface" || [ -e "/sys/class/net/$iface" ]; then
 101                         append ifnames "${ifname:-$iface}" ","
 102                 fi
 103         done
 104
 105         local lldp_mgmt_ip
 106         config_get lldp_mgmt_ip 'config' 'lldp_mgmt_ip'
 107
 108         local lldp_syscapabilities
 109         config_get lldp_syscapabilities 'config' 'lldp_syscapabilities'
 110
 111         if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ]; then
 112                 local lldpmed_fast_start
 113                 config_get_bool lldpmed_fast_start 'config' 'lldpmed_fast_start' 0
 114
 115                 local lldpmed_fast_start_tx_interval
 116                 config_get lldpmed_fast_start_tx_interval 'config' 'lldpmed_fast_start_tx_interval' 0
 117         fi
 118
 119         local lldp_agenttype
 120         config_get lldp_agenttype 'config' 'lldp_agenttype' 'nearest-bridge'
 121
 122         local lldp_portidsubtype
 123         config_get lldp_portidsubtype 'config' 'lldp_portidsubtype' 'macaddress'
 124
 125         # Clear out the config file first
 126         echo -n > "$LLDPD_CONF"
 127         [ -n "$ifnames" ] && echo "configure system interface pattern" "$ifnames" >> "$LLDPD_CONF"
 128         [ -n "$lldp_description" ] && echo "configure system description" "\"$lldp_description\"" >> "$LLDPD_CONF"
 129         [ -n "$lldp_hostname" ] && echo "configure system hostname" "\"$lldp_hostname\"" >> "$LLDPD_CONF"
 130         [ -n "$lldp_mgmt_ip" ] && echo "configure system ip management pattern" "\"$lldp_mgmt_ip\"" >> "$LLDPD_CONF"
 131         [ -n "$lldp_syscapabilities" ] && echo "configure system capabilities enabled" "\"$lldp_syscapabilities\"" >> "$LLDPD_CONF"
 132         if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ] && [ $lldpmed_fast_start -gt 0 ]; then
 133                 if [ $lldpmed_fast_start_tx_interval -gt 0 ]; then
 134                         echo "configure med fast-start tx-interval" "\"$lldpmed_fast_start_tx_interval\"" >> "$LLDPD_CONF"
 135                 else
 136                         echo "configure med fast-start" "enable" >> "$LLDPD_CONF"
 137                 fi
 138         fi
 139         [ -n "$lldp_agenttype" ] && echo "configure lldp agent-type" "\"$lldp_agenttype\"" >> "$LLDPD_CONF"
 140         [ -n "$lldp_portidsubtype" ] && echo "configure lldp portidsubtype" "\"$lldp_portidsubtype\"" >> "$LLDPD_CONF"
 141
 142         # Since lldpd's sysconfdir is /tmp, we'll symlink /etc/lldpd.d to /tmp/$LLDPD_CONFS_DIR
 143         [ -e $LLDPD_CONFS_DIR ] || ln -s /etc/lldpd.d $LLDPD_CONFS_DIR
 144 }
 145
 146 start_service() {
 147
 148         local enable_lldp
 149         local force_lldp
 150         local enable_cdp
 151         local cdp_version
 152         local force_cdp
 153         local force_cdpv2
 154         local enable_fdp
 155         local force_fdp
 156         local enable_sonmp
 157         local force_sonmp
 158         local enable_edp
 159         local lldp_class
 160         local lldp_location
 161         local lldp_no_version
 162         local lldpmed_no_inventory
 163         local readonly_mode
 164         local agentxsocket
 165         local filter
 166
 167         config_load 'lldpd'
 168         config_get_bool enable_lldp 'config' 'enable_lldp' 1
 169         config_get_bool force_lldp 'config' 'force_lldp' 0
 170         if [ "$CONFIG_LLDPD_WITH_CDP" == "y" ]; then
 171                 config_get_bool enable_cdp 'config' 'enable_cdp' 0
 172                 config_get cdp_version 'config' 'cdp_version' 'cdpv1v2'
 173                 config_get_bool force_cdp 'config' 'force_cdp' 0
 174                 config_get_bool force_cdpv2 'config' 'force_cdpv2' 0
 175         fi
 176         if [ "$CONFIG_LLDPD_WITH_FDP" == "y" ]; then
 177                 config_get_bool enable_fdp 'config' 'enable_fdp' 0
 178                 config_get_bool force_fdp 'config' 'force_fdp' 0
 179         fi
 180         if [ "$CONFIG_LLDPD_WITH_SONMP" == "y" ]; then
 181                 config_get_bool enable_sonmp 'config' 'enable_sonmp' 0
 182                 config_get_bool force_sonmp 'config' 'force_sonmp' 0
 183         fi
 184         config_get_bool enable_edp 'config' 'enable_edp' 0
 185         config_get lldp_class 'config' 'lldp_class'
 186         config_get lldp_location 'config' 'lldp_location'
 187         config_get_bool lldp_no_version 'config' 'lldp_no_version' 0
 188         if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ]; then
 189                 config_get_bool lldpmed_no_inventory 'config' 'lldpmed_no_inventory' 0
 190         fi
 191         config_get_bool readonly_mode 'config' 'readonly_mode' 0
 192         config_get agentxsocket 'config' 'agentxsocket'
 193         config_get filter 'config' 'filter' 15
 194
 195         mkdir -p ${LLDPD_RUN}
 196         chown lldp:lldp ${LLDPD_RUN}
 197
 198         # When lldpd starts, it also loads up what we write in this config file
 199         write_lldpd_conf
 200
 201         procd_open_instance
 202         procd_set_param command ${LLDPDBIN}
 203         procd_append_param command -d
 204
 205         if [ $enable_lldp -gt 0 ]; then
 206                 if [ $force_lldp -gt 0 ]; then
 207                         procd_append_param command '-l'
 208                 fi
 209         else
 210                 # Disable LLDP
 211                 procd_append_param command '-ll'
 212         fi
 213
 214         if [ "$CONFIG_LLDPD_WITH_CDP" == "y" ] && [ $enable_cdp -gt 0 ]; then
 215                 if [ $cdp_version == "cdpv2" ]; then
 216                         if [ $force_cdp -gt 0 ]; then
 217                                 # CDPv1 disabled, CDPv2 forced
 218                                 procd_append_param command '-ccccc'
 219                         else
 220                                 # CDPv1 disabled, CDPv2 enabled
 221                                 procd_append_param command '-cccc'
 222                         fi
 223                 elif [ $cdp_version == "cdpv1v2" ]; then
 224                         if [ $force_cdp -gt 0 ] && [ $force_cdpv2 -gt 0 ]; then
 225                                 # CDPv1 enabled, CDPv2 forced
 226                                 procd_append_param command '-ccc'
 227                         elif [ $force_cdp -gt 0 ]; then
 228                                 # CDPv1 forced, CDPv2 enabled
 229                                 procd_append_param command '-cc'
 230                         else
 231                                 # CDPv1 and CDPv2 enabled
 232                                 procd_append_param command '-c'
 233                         fi
 234                 fi
 235         fi
 236
 237         if [ "$CONFIG_LLDPD_WITH_FDP" == "y" ] && [ $enable_fdp -gt 0 ]; then
 238                 if [ $force_fdp -gt 0 ]; then
 239                         # FDP enbled and forced
 240                         procd_append_param command '-ff'
 241                 else
 242                         # FDP enabled
 243                         procd_append_param command '-f'
 244                 fi
 245         fi
 246
 247         if [ "$CONFIG_LLDPD_WITH_SONMP" == "y" ] && [ $enable_sonmp -gt 0 ]; then
 248                 if [ $force_sonmp -gt 0 ]; then
 249                         # SONMP enabled and forced
 250                         procd_append_param command '-ss'
 251                 else
 252                         # SONMP enabled
 253                         procd_append_param command '-s'
 254                 fi
 255         fi
 256
 257         [ $enable_edp -gt 0 ] && procd_append_param command '-e'
 258
 259         [ $readonly_mode -gt 0 ] && procd_append_param command '-r'
 260         [ $lldp_no_version -gt 0 ] && procd_append_param commanpackage/network/services/lldpd/Makefile package/network/services/lldpd/files/lldpd.initd '-k'
 261         [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ] && [ $lldpmed_no_inventory -gt 0 ] && procd_append_param command '-i'
 262         [ -n "$lldp_class" ] && procd_append_param command -M "$lldp_class"
 263         [ -n "$agentxsocket" ] && procd_append_param command -x -X "$agentxsocket"
 264         [ -n "$filter" ] && procd_append_param command -H "$filter"
 265
 266     # ChassisID interfaces
 267         local ifnames
 268         get_config_cid_ifaces ifnames
 269         [ -n "$ifnames" ] && procd_append_param command -C "$ifnames"
 270
 271     # Overwrite default configuration locations processed by lldpcli at start
 272         procd_append_param command -O "$LLDPD_CONF"
 273
 274         local restart_hash
 275         get_config_restart_hash restart_hash
 276         echo -n "$restart_hash" > $LLDPD_RESTART_HASH
 277
 278         # set auto respawn behavior
 279         procd_set_param respawn
 280         procd_close_instance
 281 }
 282
 283 service_triggers() {
 284         procd_add_config_trigger "config.change" "lldpd" /etc/init.d/lldpd reload
 285 }
 286
 287 reload_service() {
 288         running || return 1
 289
 290         local running_hash=""
 291         local config_hash=""
 292
 293         get_config_restart_hash config_hash
 294         if [ -f ${LLDPD_RESTART_HASH} ]; then running_hash=`cat $LLDPD_RESTART_HASH`; fi
 295
 296         if [ "x$running_hash" != "x$config_hash" ]; then
 297                 # Restart LLDPd
 298                 # Some parameters can't be configured at runtime
 299                 restart
 300                 return 0
 301         fi
 302
 303         $LLDPCLI -u $LLDPSOCKET &> /dev/null <<-EOF
 304                 pause
 305                 unconfigure lldp custom-tlv
 306                 unconfigure system interface pattern
 307                 unconfigure system description
 308                 unconfigure system hostname
 309                 unconfigure system ip management pattern
 310         EOF
 311         if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ]; then
 312                 $LLDPCLI -u $LLDPSOCKET &> /dev/null <<-EOF
 313                         unconfigure med fast-start
 314                 EOF
 315
 316         fi
 317         # Rewrite lldpd.conf
 318         # If something changed it should be included by the lldpcli call
 319         write_lldpd_conf
 320         $LLDPCLI -u $LLDPSOCKET -c $LLDPD_CONF -c $LLDPD_CONFS_DIR &> /dev/null
 321         # Broadcast update over the wire
 322         $LLDPCLI -u $LLDPSOCKET &> /dev/null <<-EOF
 323                 resume
 324                 update
 325         EOF
 326         return 0
 327 }
 328
 329 stop_service() {
 330         rm -rf ${LLDPD_RUN} $LLDPSOCKET 2>/dev/null
 331 }
 332