etc/rc.d/faith

   1 #!/bin/sh
   2 # $FreeBSD$
   3 #
   4
   5 # PROVIDE: faith
   6 # REQUIRE: netif
   7 # KEYWORD: nojail
   8
   9 . /etc/rc.subr
  10 . /etc/network.subr
  11
  12 name="faith"
  13 start_cmd="faith_up"
  14 stop_cmd="faith_down"
  15
  16 faith_up()
  17 {
  18         case ${ipv6_faith_prefix} in
  19         [Nn][Oo] | '')
  20                 ;;
  21         *)
  22                 echo "Configuring IPv6-to-IPv4 TCP relay capturing interface:" \
  23                     " faith0."
  24                 ${SYSCTL} net.inet6.ip6.keepfaith=1
  25                 ifconfig faith0 create >/dev/null 2>&1
  26                 ifconfig faith0 up
  27                 for prefix in ${ipv6_faith_prefix}; do
  28                         prefixlen=`expr "${prefix}" : ".*/\(.*\)"`
  29                         case ${prefixlen} in
  30                         '')
  31                                 prefixlen=96
  32                                 ;;
  33                         *)
  34                                 prefix=`expr "${prefix}" : \
  35                                              "\(.*\)/${prefixlen}"`
  36                                 ;;
  37                         esac
  38                         route add -inet6 ${prefix} -prefixlen ${prefixlen} ::1
  39                         route change -inet6 ${prefix} -prefixlen ${prefixlen} \
  40                                 -ifp faith0
  41                 done
  42                 check_startmsgs && ifconfig faith0
  43                 ;;
  44         esac
  45 }
  46
  47 faith_down()
  48 {
  49         echo "Removing IPv6-to-IPv4 TCP relay capturing interface: faith0."
  50         ifconfig faith0 destroy
  51         ${SYSCTL} net.inet6.ip6.keepfaith=0
  52
  53         case ${ipv6_faith_prefix} in
  54         [Nn][Oo] | '')
  55                 ;;
  56         *)
  57                 for prefix in ${ipv6_faith_prefix}; do
  58                         prefixlen=`expr "${prefix}" : ".*/\(.*\)"`
  59                         case ${prefixlen} in
  60                         '')
  61                                 prefixlen=96
  62                                 ;;
  63                         *)
  64                                 prefix=`expr "${prefix}" : \
  65                                              "\(.*\)/${prefixlen}"`
  66                                 ;;
  67                         esac
  68                         route delete -inet6 ${prefix} -prefixlen ${prefixlen}
  69                 done
  70                 ;;
  71         esac
  72 }
  73
  74 load_rc_config $name
  75 run_rc_command "$1"