etc/rc.d/ip6addrctl

   1 #!/bin/sh
   2 #
   3 # $FreeBSD$
   4 #
   5
   6 # PROVIDE: ip6addrctl
   7 # REQUIRE: FILESYSTEMS
   8 # BEFORE: netif
   9 # KEYWORD: nojail
  10
  11 . /etc/rc.subr
  12 . /etc/network.subr
  13
  14 name="ip6addrctl"
  15 rcvar="ip6addrctl_enable"
  16 start_cmd="ip6addrctl_start"
  17 stop_cmd="ip6addrctl_stop"
  18 extra_commands="status prefer_ipv6 prefer_ipv4"
  19 status_cmd="ip6addrctl"
  20 prefer_ipv6_cmd="ip6addrctl_prefer_ipv6"
  21 prefer_ipv4_cmd="ip6addrctl_prefer_ipv4"
  22 config_file="/etc/ip6addrctl.conf"
  23
  24 set_rcvar_obsolete ipv6_enable ipv6_activate_all_interfaces
  25 set_rcvar_obsolete ipv6_prefer ip6addrctl_policy
  26
  27 IP6ADDRCTL_CMD="/usr/sbin/ip6addrctl"
  28
  29 ip6addrctl_prefer_ipv6()
  30 {
  31         afexists inet6 || return 0
  32
  33         ${IP6ADDRCTL_CMD} flush >/dev/null 2>&1
  34         cat <<EOT | ${IP6ADDRCTL_CMD} install /dev/stdin
  35         ::1/128          50      0
  36         ::/0             40      1
  37         ::ffff:0:0/96    35      4
  38         2002::/16        30      2
  39         2001::/32         5      5
  40         fc00::/7          3     13
  41         ::/96             1      3
  42         fec0::/10         1     11
  43         3ffe::/16         1     12
  44 EOT
  45 }
  46
  47 ip6addrctl_prefer_ipv4()
  48 {
  49         afexists inet6 || return 0
  50
  51         ${IP6ADDRCTL_CMD} flush >/dev/null 2>&1
  52         cat <<EOT | ${IP6ADDRCTL_CMD} install /dev/stdin
  53         ::1/128          50      0
  54         ::/0             40      1
  55         ::ffff:0:0/96   100      4
  56         2002::/16        30      2
  57         2001::/32         5      5
  58         fc00::/7          3     13
  59         ::/96             1      3
  60         fec0::/10         1     11
  61         3ffe::/16         1     12
  62 EOT
  63 }
  64
  65 ip6addrctl_start()
  66 {
  67         afexists inet6 || return 0
  68
  69         # install the policy of the address selection algorithm.
  70         case "${ip6addrctl_policy}" in
  71         [Aa][Uu][Tt][Oo])
  72                 if [ -r "${config_file}" -a -s "${config_file}" ]; then
  73                         ${IP6ADDRCTL_CMD} flush >/dev/null 2>&1
  74                         ${IP6ADDRCTL_CMD} install "${config_file}"
  75                 else
  76                         if checkyesno ipv6_activate_all_interfaces; then
  77                                 ip6addrctl_prefer_ipv6
  78                         elif [ -n "$(list_vars ifconfig_\*_ipv6)" ]; then
  79                                 ip6addrctl_prefer_ipv6
  80                         else
  81                                 ip6addrctl_prefer_ipv4
  82                         fi
  83                 fi
  84         ;;
  85         ipv4_prefer)
  86                 ip6addrctl_prefer_ipv4
  87         ;;
  88         ipv6_prefer)
  89                 ip6addrctl_prefer_ipv6
  90         ;;
  91         [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
  92                 # Backward compatibility when ipv6_prefer=YES
  93                 ip6addrctl_prefer_ipv6
  94         ;;
  95         [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0)
  96                 # Backward compatibility when ipv6_prefer=NO
  97                 ip6addrctl_prefer_ipv4
  98         ;;
  99         [Nn][Oo][Nn][Ee])
 100                 ${IP6ADDRCTL_CMD} flush >/dev/null 2>&1
 101         ;;
 102         *)
 103                 warn "\$ip6addrctl_policy is invalid: ${ip6addrctl_policy}. " \
 104                     " \"ipv4_prefer\" is used instead."
 105                 ip6addrctl_prefer_ipv4
 106         ;;
 107         esac
 108
 109         if checkyesno ip6addrctl_verbose; then
 110                 echo 'Address selection policy table for IPv4 and IPv6:'
 111                 ${IP6ADDRCTL_CMD}
 112         fi
 113 }
 114
 115 ip6addrctl_stop()
 116 {
 117         afexists inet6 || return 0
 118
 119         ip6addrctl flush >/dev/null 2>&1
 120 }
 121
 122 load_rc_config $name
 123 run_rc_command "$1"