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=`set_rcvar`
  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_prefer_ipv6()
  28 {
  29         afexists inet6 || return 0
  30
  31         ip6addrctl flush >/dev/null 2>&1
  32         ip6addrctl add ::1/128          50      0
  33         ip6addrctl add ::/0             40      1
  34         ip6addrctl add 2002::/16        30      2
  35         ip6addrctl add ::/96            20      3
  36         ip6addrctl add ::ffff:0:0/96    10      4
  37         checkyesno ip6addrctl_verbose && ip6addrctl
  38 }
  39
  40 ip6addrctl_prefer_ipv4()
  41 {
  42         afexists inet6 || return 0
  43
  44         ip6addrctl flush >/dev/null 2>&1
  45         ip6addrctl add ::ffff:0:0/96    50      0
  46         ip6addrctl add ::1/128          40      1
  47         ip6addrctl add ::/0             30      2
  48         ip6addrctl add 2002::/16        20      3
  49         ip6addrctl add ::/96            10      4
  50         checkyesno ip6addrctl_verbose && ip6addrctl
  51 }
  52
  53 ip6addrctl_start()
  54 {
  55         afexists inet6 || return 0
  56
  57         # install the policy of the address selection algorithm.
  58         case "${ip6addrctl_policy}" in
  59         [Aa][Uu][Tt][Oo])
  60                 if [ -r "${config_file}" -a -s "${config_file}" ]; then
  61                         ip6addrctl flush >/dev/null 2>&1
  62                         ip6addrctl install "${config_file}"
  63                         checkyesno ip6addrctl_verbose && ip6addrctl
  64                 else
  65                         if checkyesno ipv6_activate_all_interfaces; then
  66                                 ip6addrctl_prefer_ipv6
  67                         else
  68                                 ip6addrctl_prefer_ipv4
  69                         fi
  70                 fi
  71         ;;
  72         ipv4_prefer)
  73                 ip6addrctl_prefer_ipv4
  74         ;;
  75         ipv6_prefer)
  76                 ip6addrctl_prefer_ipv6
  77         ;;
  78         [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
  79                 # Backward compatibility when ipv6_prefer=YES
  80                 ip6addrctl_prefer_ipv6
  81         ;;
  82         [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0)
  83                 # Backward compatibility when ipv6_prefer=NO
  84                 ip6addrctl_prefer_ipv4
  85         ;;
  86         *)
  87                 warn "\$ip6addrctl_policy is invalid: ${ip6addrctl_policy}. " \
  88                     " \"ipv4_prefer\" is used instead."
  89                 ip6addrctl_prefer_ipv4
  90         ;;
  91         esac
  92 }
  93
  94 ip6addrctl_stop()
  95 {
  96         afexists inet6 || return 0
  97
  98         ip6addrctl flush >/dev/null 2>&1
  99 }
 100
 101 load_rc_config $name
 102 run_rc_command "$1"