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