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_SNMP=y
  11 CONFIG_LLDPD_WITH_SONMP=y
  12
  13 USE_PROCD=1
  14 LLDPDBIN=/usr/sbin/lldpd
  15 LLDPCLI=/usr/sbin/lldpcli
  16 LLDPSOCKET=/var/run/lldpd.socket
  17 LLDPD_CONF=/tmp/lldpd.conf
  18 LLDPD_CONFS_DIR=/tmp/lldpd.d
  19
  20 LLDPD_RUN=/var/run/lldpd
  21 LLDPD_RESTART_HASH=${LLDPD_RUN}/lldpd.restart_hash
  22
  23 . "$IPKG_INSTROOT/lib/functions/network.sh"
  24
  25 find_release_info()
  26 {
  27         [ -s /etc/os-release ] && . /etc/os-release
  28         [ -z "$PRETTY_NAME" ] && [ -s /etc/openwrt_version ] && \
  29                 PRETTY_NAME="$(cat /etc/openwrt_version)"
  30
  31         echo "${PRETTY_NAME:-Unknown OpenWrt release} @ $(cat /proc/sys/kernel/hostname)"
  32 }
  33
  34 get_config_restart_hash() {
  35         local var="$1"
  36         local _string _hash v
  37
  38         config_load 'lldpd'
  39
  40         config_get      v 'config' 'lldp_class'; append _string "$v" ","
  41         if [ "$CONFIG_LLDPD_WITH_SNMP" == "y" ]; then
  42                 config_get      v 'config' 'agentxsocket'; append _string "$v" ","
  43         fi
  44         config_get      v 'config' 'cid_interface'; append _string "$v" ","
  45         config_get      v 'config' 'filter'; append _string "$v" ","
  46         config_get_bool v 'config' 'readonly_mode'; append _string "$v" ","
  47         config_get_bool v 'config' 'lldp_no_version'; append _string "$v" ","
  48         if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ]; then
  49                 config_get_bool v 'config' 'lldpmed_no_inventory'; append _string "$v" ","
  50         fi
  51         config_get_bool v 'config' 'enable_lldp' 1; append _string "$v" ","
  52         config_get_bool v 'config' 'force_lldp'; append _string "$v" ","
  53         if [ "$CONFIG_LLDPD_WITH_CDP" == "y" ]; then
  54                 config_get_bool v 'config' 'enable_cdp'; append _string "$v" ","
  55                 config_get      v 'config' 'cdp_version'; append _string "$v" ","
  56                 config_get_bool v 'config' 'force_cdp'; append _string "$v" ","
  57                 config_get_bool v 'config' 'force_cdpv2'; append _string "$v" ","
  58         fi
  59         config_get_bool v 'config' 'enable_edp'; append _string "$v" ","
  60         if [ "$CONFIG_LLDPD_WITH_FDP" == "y" ]; then
  61                 config_get_bool v 'config' 'enable_fdp'; append _string "$v" ","
  62                 config_get_bool v 'config' 'force_fdp'; append _string "$v" ","
  63         fi
  64         if [ "$CONFIG_LLDPD_WITH_SONMP" == "y" ]; then
  65                 config_get_bool v 'config' 'enable_sonmp'; append _string "$v" ","
  66                 config_get_bool v 'config' 'force_sonmp'; append _string "$v" ","
  67         fi
  68
  69         _hash=`echo -n "${_string}" | md5sum | awk '{ print \$1 }'`
  70         export -n "$var=$_hash"
  71 }
  72
  73 get_config_cid_ifaces() {
  74         local _ifacesCONFIG_LLDPD_WITH_FDP
  75
  76         local _iface _ifnames=""
  77         for _iface in $_ifaces; do
  78                 local _ifname=""
  79                 if network_get_device _ifname "$_iface" || [ -e "/sys/class/net/$_iface" ]; then
  80                         append _ifnames "${_ifname:-$_iface}" ","
  81                 fi
  82         done
  83
  84         export -n "${1}=$_ifnames"
  85 }
  86
  87 write_lldpd_conf()
  88 {
  89         local lldp_description
  90
  91         config_load 'lldpd'
  92         config_get lldp_description 'config' 'lldp_description' "$(find_release_info)"
  93
  94         local lldp_hostname
  95         config_get lldp_hostname 'config' 'lldp_hostname' "$(cat /proc/sys/kernel/hostname)"
  96
  97         local ifaces
  98         config_get ifaces 'config' 'interface'
  99
 100         local iface ifnames=""
 101         for iface in $ifaces; do
 102                 local ifname=""
 103                 if network_get_device ifname "$iface" || [ -e "/sys/class/net/$iface" ]; then
 104                         append ifnames "${ifname:-$iface}" ","
 105                 fi
 106         done
 107
 108         local lldp_mgmt_ip
 109         config_get lldp_mgmt_ip 'config' 'lldp_mgmt_ip'
 110
 111         local lldp_syscapabilities
 112         config_get lldp_syscapabilities 'config' 'lldp_syscapabilities'
 113
 114         if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ]; then
 115                 local lldpmed_fast_start
 116                 config_get_bool lldpmed_fast_start 'config' 'lldpmed_fast_start' 0
 117
 118                 local lldpmed_fast_start_tx_interval
 119                 config_get lldpmed_fast_start_tx_interval 'config' 'lldpmed_fast_start_tx_interval' 0
 120         fi
 121
 122         local lldp_agenttype
 123         config_get lldp_agenttype 'config' 'lldp_agenttype' 'nearest-bridge'
 124
 125         local lldp_portidsubtype
 126         config_get lldp_portidsubtype 'config' 'lldp_portidsubtype' 'macaddress'
 127
 128         local lldp_platform
 129         config_get lldp_platform 'config' 'lldp_platform' ""
 130
 131         local lldp_tx_interval
 132         config_get lldp_tx_interval 'config' 'lldp_tx_interval' 0
 133
 134         local lldp_tx_hold
 135         config_get lldp_tx_hold 'config' 'lldp_tx_hold' 0
 136
 137         # Clear out the config file first
 138         echo -n > "$LLDPD_CONF"
 139         [ -n "$ifnames" ] && echo "configure system interface pattern" "$ifnames" >> "$LLDPD_CONF"
 140         [ -n "$lldp_description" ] && echo "configure system description" "\"$lldp_description\"" >> "$LLDPD_CONF"
 141         [ -n "$lldp_hostname" ] && echo "configure system hostname" "\"$lldp_hostname\"" >> "$LLDPD_CONF"
 142         [ -n "$lldp_mgmt_ip" ] && echo "configure system ip management pattern" "\"$lldp_mgmt_ip\"" >> "$LLDPD_CONF"
 143         [ -n "$lldp_syscapabilities" ] && echo "configure system capabilities enabled" "\"$lldp_syscapabilities\"" >> "$LLDPD_CONF"
 144         if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ] && [ $lldpmed_fast_start -gt 0 ]; then
 145                 if [ $lldpmed_fast_start_tx_interval -gt 0 ]; then
 146                         echo "configure med fast-start tx-interval" "\"$lldpmed_fast_start_tx_interval\"" >> "$LLDPD_CONF"
 147                 else
 148                         echo "configure med fast-start" "enable" >> "$LLDPD_CONF"
 149                 fi
 150         fi
 151         [ -n "$lldp_agenttype" ] && echo "configure lldp agent-type" "\"$lldp_agenttype\"" >> "$LLDPD_CONF"
 152         [ -n "$lldp_portidsubtype" ] && echo "configure lldp portidsubtype" "\"$lldp_portidsubtype\"" >> "$LLDPD_CONF"
 153         [ -n "$lldp_platform" ] && echo "configure system platform" "\"$lldp_platform\"" >> "$LLDPD_CONF"
 154         [ $lldp_tx_interval -gt 0 ] && echo "configure lldp tx-interval" "$lldp_tx_interval" >> "$LLDPD_CONF"
 155         [ $lldp_tx_hold -gt 0 ] && echo "configure lldp tx-hold" "$lldp_tx_hold" >> "$LLDPD_CONF"
 156
 157         # Since lldpd's sysconfdir is /tmp, we'll symlink /etc/lldpd.d to /tmp/$LLDPD_CONFS_DIR
 158         [ -e $LLDPD_CONFS_DIR ] || ln -s /etc/lldpd.d $LLDPD_CONFS_DIR
 159 }
 160
 161 start_service() {
 162
 163         local enable_lldp
 164         local force_lldp
 165         local enable_cdp
 166         local cdp_version
 167         local force_cdp
 168         local force_cdpv2
 169         local enable_fdp
 170         local force_fdp
 171         local enable_sonmp
 172         local force_sonmp
 173         local enable_edp
 174         local lldp_class
 175         local lldp_location
 176         local lldp_no_version
 177         local lldpmed_no_inventory
 178         local readonly_mode
 179         local agentxsocket
 180         local filter
 181
 182         config_load 'lldpd'
 183         config_get_bool enable_lldp 'config' 'enable_lldp' 1
 184         config_get_bool force_lldp 'config' 'force_lldp' 0
 185         if [ "$CONFIG_LLDPD_WITH_CDP" == "y" ]; then
 186                 config_get_bool enable_cdp 'config' 'enable_cdp' 0
 187                 config_get cdp_version 'config' 'cdp_version' 'cdpv1v2'
 188                 config_get_bool force_cdp 'config' 'force_cdp' 0
 189                 config_get_bool force_cdpv2 'config' 'force_cdpv2' 0
 190         fi
 191         if [ "$CONFIG_LLDPD_WITH_FDP" == "y" ]; then
 192                 config_get_bool enable_fdp 'config' 'enable_fdp' 0
 193                 config_get_bool force_fdp 'config' 'force_fdp' 0
 194         fi
 195         if [ "$CONFIG_LLDPD_WITH_SONMP" == "y" ]; then
 196                 config_get_bool enable_sonmp 'config' 'enable_sonmp' 0
 197                 config_get_bool force_sonmp 'config' 'force_sonmp' 0
 198         fi
 199         config_get_bool enable_edp 'config' 'enable_edp' 0
 200         config_get lldp_class 'config' 'lldp_class'
 201         config_get lldp_location 'config' 'lldp_location'
 202         config_get_bool lldp_no_version 'config' 'lldp_no_version' 0
 203         if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ]; then
 204                 config_get_bool lldpmed_no_inventory 'config' 'lldpmed_no_inventory' 0
 205         fi
 206         config_get_bool readonly_mode 'config' 'readonly_mode' 0
 207         if [ "$CONFIG_LLDPD_WITH_SNMP" == "y" ]; then
 208                 config_get agentxsocket 'config' 'agentxsocket'
 209         fi
 210         config_get filter 'config' 'filter' 15
 211
 212         mkdir -p ${LLDPD_RUN}
 213         chown lldp:lldp ${LLDPD_RUN}
 214
 215         # When lldpd starts, it also loads up what we write in this config file
 216         write_lldpd_conf
 217
 218         procd_open_instance
 219         procd_set_param command ${LLDPDBIN}
 220         procd_append_param command -d
 221
 222         if [ $enable_lldp -gt 0 ]; then
 223                 if [ $force_lldp -gt 0 ]; then
 224                         procd_append_param command '-l'
 225                 fi
 226         else
 227                 # Disable LLDP
 228                 procd_append_param command '-ll'
 229         fi
 230
 231         if [ "$CONFIG_LLDPD_WITH_CDP" == "y" ] && [ $enable_cdp -gt 0 ]; then
 232                 if [ $cdp_version == "cdpv2" ]; then
 233                         if [ $force_cdp -gt 0 ]; then
 234                                 # CDPv1 disabled, CDPv2 forced
 235                                 procd_append_param command '-ccccc'
 236                         else
 237                                 # CDPv1 disabled, CDPv2 enabled
 238                                 procd_append_param command '-cccc'
 239                         fi
 240                 elif [ $cdp_version == "cdpv1v2" ]; then
 241                         if [ $force_cdp -gt 0 ] && [ $force_cdpv2 -gt 0 ]; then
 242                                 # CDPv1 enabled, CDPv2 forced
 243                                 procd_append_param command '-ccc'
 244                         elif [ $force_cdp -gt 0 ]; then
 245                                 # CDPv1 forced, CDPv2 enabled
 246                                 procd_append_param command '-cc'
 247                         else
 248                                 # CDPv1 and CDPv2 enabled
 249                                 procd_append_param command '-c'
 250                         fi
 251                 fi
 252         fi
 253
 254         if [ "$CONFIG_LLDPD_WITH_FDP" == "y" ] && [ $enable_fdp -gt 0 ]; then
 255                 if [ $force_fdp -gt 0 ]; then
 256                         # FDP enbled and forced
 257                         procd_append_param command '-ff'
 258                 else
 259                         # FDP enabled
 260                         procd_append_param command '-f'
 261                 fi
 262         fi
 263
 264         if [ "$CONFIG_LLDPD_WITH_SONMP" == "y" ] && [ $enable_sonmp -gt 0 ]; then
 265                 if [ $force_sonmp -gt 0 ]; then
 266                         # SONMP enabled and forced
 267                         procd_append_param command '-ss'
 268                 else
 269                         # SONMP enabled
 270                         procd_append_param command '-s'
 271                 fi
 272         fi
 273
 274         [ $enable_edp -gt 0 ] && procd_append_param command '-e'
 275
 276         [ $readonly_mode -gt 0 ] && procd_append_param command '-r'
 277         [ $lldp_no_version -gt 0 ] && procd_append_param commanpackage/network/services/lldpd/Makefile package/network/services/lldpd/files/lldpd.initd '-k'
 278         [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ] && [ $lldpmed_no_inventory -gt 0 ] && procd_append_param command '-i'
 279         [ -n "$lldp_class" ] && procd_append_param command -M "$lldp_class"
 280         [ "$CONFIG_LLDPD_WITH_SNMP" == "y" ] && [ -n "$agentxsocket" ] && procd_append_param command -x -X "$agentxsocket"
 281         [ -n "$filter" ] && procd_append_param command -H "$filter"
 282
 283     # ChassisID interfaces
 284         local ifnames
 285         get_config_cid_ifaces ifnames
 286         [ -n "$ifnames" ] && procd_append_param command -C "$ifnames"
 287
 288     # Overwrite default configuration locations processed by lldpcli at start
 289         procd_append_param command -O "$LLDPD_CONF"
 290
 291         local restart_hash
 292         get_config_restart_hash restart_hash
 293         echo -n "$restart_hash" > $LLDPD_RESTART_HASH
 294
 295         # set auto respawn behavior
 296         procd_set_param respawn
 297         procd_close_instance
 298 }
 299
 300 service_triggers() {
 301         procd_add_config_trigger "config.change" "lldpd" /etc/init.d/lldpd reload
 302 }
 303
 304 reload_service() {
 305         running || return 1
 306
 307         local running_hash=""
 308         local config_hash=""
 309
 310         get_config_restart_hash config_hash
 311         if [ -f ${LLDPD_RESTART_HASH} ]; then running_hash=`cat $LLDPD_RESTART_HASH`; fi
 312
 313         if [ "x$running_hash" != "x$config_hash" ]; then
 314                 # Restart LLDPd
 315                 # Some parameters can't be configured at runtime
 316                 restart
 317                 return 0
 318         fi
 319
 320         $LLDPCLI -u $LLDPSOCKET &> /dev/null <<-EOF
 321                 pause
 322                 unconfigure lldp custom-tlv
 323                 unconfigure system interface pattern
 324                 unconfigure system description
 325                 unconfigure system hostname
 326                 unconfigure system ip management pattern
 327                 unconfigure system platform
 328         EOF
 329         if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ]; then
 330                 $LLDPCLI -u $LLDPSOCKET &> /dev/null <<-EOF
 331                         unconfigure med fast-start
 332                 EOF
 333
 334         fi
 335         # Rewrite lldpd.conf
 336         # If something changed it should be included by the lldpcli call
 337         write_lldpd_conf
 338         $LLDPCLI -u $LLDPSOCKET -c $LLDPD_CONF -c $LLDPD_CONFS_DIR &> /dev/null
 339         # Broadcast update over the wire
 340         $LLDPCLI -u $LLDPSOCKET &> /dev/null <<-EOF
 341                 resume
 342                 update
 343         EOF
 344         return 0
 345 }
 346
 347 stop_service() {
 348         rm -rf ${LLDPD_RUN} $LLDPSOCKET 2>/dev/null
 349 }
 350