examples/gaiconf

   1 #!/bin/sh
   2
   3 #
   4 # Setup address label from /etc/gai.conf
   5 #
   6 # Written by YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>, 2010.
   7 #
   8
   9 IP=ip
  10 DEFAULT_GAICONF=/etc/gai.conf
  11 verbose=
  12 debug=
  13
  14 function run ()
  15 {
  16         if [ x"$verbose" != x"" ]; then
  17                 echo "$@"
  18         fi
  19         if [ x"$debug" = x"" ]; then
  20                 "$@"
  21         fi
  22 }
  23
  24 function do_load_config ()
  25 {
  26         file=$1; shift
  27         flush=1
  28         cat $file | while read command prefix label; do
  29                 if [ x"$command" = x"#label" ]; then
  30                         if [ ${flush} = 1 ]; then
  31                                 run ${IP} -6 addrlabel flush
  32                                 flush=0
  33                         fi
  34                         run ${IP} -6 addrlabel add prefix $prefix label $label
  35                 fi
  36         done
  37 }
  38
  39 function do_list_config ()
  40 {
  41         ${IP} -6 addrlabel list | while read p pfx l lbl; do
  42                 echo label ${pfx} ${lbl}
  43         done
  44 }
  45
  46 function help ()
  47 {
  48         echo "Usage: $0 [-v] {--list | --config [ ${DEFAULT_GAICONF} ] | --default}"
  49         exit 1
  50 }
  51
  52 TEMP=`getopt -o c::dlv -l config::,default,list,verbose -n gaiconf -- "$@"`
  53
  54 if [ $? != 0 ]; then
  55         echo "Terminating..." >&2
  56         exit 1
  57 fi
  58
  59 TEMPFILE=`mktemp`
  60
  61 eval set -- "$TEMP"
  62
  63 while true ; do
  64         case "$1" in
  65                 -c|--config)
  66                         if [ x"$cmd" != x"" ]; then
  67                                 help
  68                         fi
  69                         case "$2" in
  70                         "")     gai_conf="${DEFAULT_GAICONF}"
  71                                 shift 2
  72                                 ;;
  73                         *)      gai_conf="$2"
  74                                 shift 2
  75                         esac
  76                         cmd=config
  77                         ;;
  78                 -d|--default)
  79                         if [ x"$cmd" != x"" ]; then
  80                                 help
  81                         fi
  82                         gai_conf=${TEMPFILE}
  83                         cmd=config
  84                         ;;
  85                 -l|--list)
  86                         if [ x"$cmd" != x"" ]; then
  87                                 help
  88                         fi
  89                         cmd=list
  90                         shift
  91                         ;;
  92                 -v)
  93                         verbose=1
  94                         shift
  95                         ;;
  96                 --)
  97                         shift;
  98                         break
  99                         ;;
 100                 *)
 101                         echo "Internal error!" >&2
 102                         exit 1
 103                         ;;
 104         esac
 105 done
 106
 107 case "$cmd" in
 108         config)
 109                 if [ x"$gai_conf" = x"${TEMPFILE}" ]; then
 110                         sed -e 's/^[[:space:]]*//' <<END_OF_DEFAULT >${TEMPFILE}
 111                                 label ::1/128       0
 112                                 label ::/0          1
 113                                 label 2002::/16     2
 114                                 label ::/96         3
 115                                 label ::ffff:0:0/96 4
 116                                 label fec0::/10     5
 117                                 label fc00::/7      6
 118                                 label 2001:0::/32   7
 119 END_OF_DEFAULT
 120                 fi
 121                 do_load_config "$gai_conf"
 122                 ;;
 123         list)
 124                 do_list_config
 125                 ;;
 126         *)
 127                 help
 128                 ;;
 129 esac
 130
 131 rm -f "${TEMPFILE}"
 132
 133 exit 0
 134