ipv6/wide-dhcpv6/files/dhcp6c.init

   1 #!/bin/sh /etc/rc.common
   2
   3 DHCP6C_REQUEST_OPTIONS='domain_name_servers domain_name ntp_servers sip_server_address sip_domain_name nis_server_address nis_domain_name nisp_server_address nisp_domain_name bcmcs_server_address bcmcs_domain_name'
   4
   5 get_ifname() {
   6         local interface=$1
   7         local ifname
   8         scan_interfaces
   9         config_get ifname "$interface" ifname
  10         printf '%s\n' "$ifname"
  11         return 0
  12 }
  13
  14 dhcp6c_write_interface() {
  15         local cfg=$1
  16         local sla_id
  17         local sla_len
  18         local enabled
  19
  20         config_get_bool enabled "$cfg" enabled 0
  21
  22         if [ $enabled -ne 0 ]; then
  23
  24                 config_get sla_id "$cfg" sla_id
  25                 config_get sla_len "$cfg" sla_len
  26
  27                 printf '\tprefix-interface %s {\n' "$(get_ifname $cfg)"
  28                 printf '\t\tsla-id %s;\n' "$sla_id"
  29                 printf '\t\tsla-len %s;\n' "$sla_len"
  30                 printf '\t};\n'
  31
  32         fi
  33
  34 }
  35
  36 dhcp6c_write_request() {
  37         printf '\trequest %s;\n' $1 | sed -e s/_/-/g
  38 }
  39
  40 dhcp6c_write_config() {
  41
  42         local pd
  43         local na
  44         config_get_bool pd basic pd 0
  45         config_get_bool na basic na 0
  46
  47         printf 'interface %s {\n' "$client_ifname"
  48
  49         if [ $pd -ne 0 ]; then
  50                 printf '\tsend ia-pd 0;\n'
  51         fi
  52
  53         if [ $na -ne 0 ]; then
  54                 printf '\tsend ia-na 0;\n'
  55         fi
  56
  57         local rapid_commit
  58         config_get_bool rapid_commit basic rapid_commit 0
  59         [ $rapid_commit -ne 0 ] && printf '\tsend rapid-commit;\n'
  60
  61         local script
  62         config_get script basic script
  63         [ "$script" != "" ] && printf '\tscript "%s";\n' "$script"
  64
  65         local request
  66         local value
  67         for request in $DHCP6C_REQUEST_OPTIONS; do
  68                 config_get_bool value basic "$request" 0
  69                 [ $value -ne 0 ] && dhcp6c_write_request "$request"
  70         done
  71
  72         printf '};\n\n'
  73
  74         if [ $pd -ne 0 ]; then
  75                 printf 'id-assoc pd 0 {\n'
  76                 config_foreach dhcp6c_write_interface interface
  77                 printf '};\n\n'
  78         fi
  79
  80         if [ $na -ne 0 ]; then
  81                 printf 'id-assoc na 0 {\n'
  82                 printf '};\n\n'
  83         fi
  84
  85         return 0
  86 }
  87
  88 start() {
  89
  90         [ ! -e /etc/dhcp6cctlkey ] && `dd if=/dev/urandom count=1 2> /dev/null | md5sum | cut -d" " -f1 > /etc/dhcp6cctlkey`
  91
  92         [ -e /var/run/dhcp6c.pid ] && return 0
  93
  94         include /lib/network
  95
  96         config_load "dhcp6c"
  97
  98         local enabled
  99         config_get_bool enabled basic enabled 0
 100         [ $enabled -eq 0 ] && return 0
 101
 102         logger starting dhcp6c
 103
 104         local client_interface
 105         config_get client_interface basic interface
 106         local client_ifname=$(get_ifname "$client_interface")
 107
 108         local config_file="/var/etc/dhcp6c.conf"
 109         mkdir -m 755 -p /var/etc
 110         dhcp6c_write_config > $config_file
 111
 112         /usr/sbin/dhcp6c -c $config_file $client_ifname
 113
 114         sleep 3
 115         ACTION=start /sbin/hotplug-call dhcp6c
 116
 117         return 0
 118
 119 }
 120
 121 stop() {
 122
 123         logger stopping dhcp6c
 124         rm -f /var/etc/dhcp6c.conf
 125         kill -TERM `cat /var/run/dhcp6c.pid`
 126         ACTION=stop /sbin/hotplug-call dhcp6c
 127         return 0
 128
 129 }
 130
 131