doc/examples/scd-event

   1 #!/bin/sh
   2 # Sample script for scdaemon event mechanism.
   3
   4 #exec >>/tmp/scd-event.log
   5
   6 PGM=scd-event
   7
   8 reader_port=
   9 old_code=0x0000
  10 new_code=0x0000
  11 status=
  12
  13 tick='`'
  14 prev=
  15 while [ $# -gt 0 ]; do
  16   arg="$1"
  17   case $arg in
  18       -*=*) optarg=$(echo "X$arg" | sed -e '1s/^X//' -e 's/[-_a-zA-Z0-9]*=//')
  19             ;;
  20          *) optarg=
  21             ;;
  22   esac
  23   if [ -n "$prev" ]; then
  24     eval "$prev=\$arg"
  25     prev=
  26     shift
  27     continue
  28   fi
  29   case $arg in
  30       --help|-h)
  31           cat <<EOF
  32 Usage: $PGM [options]
  33 $PGM is called by scdaemon on card reader status changes
  34
  35 Options:
  36   --reader-port N        Reports change for port N
  37   --old-code 0xNNNN      Previous status code
  38   --old-code 0xNNNN      Current status code
  39   --status USABLE|ACTIVE|PRESENT|NOCARD
  40                          Human readable status code
  41
  42 Environment:
  43
  44 GNUPGHOME=DIR            Set to the active homedir
  45
  46 EOF
  47           exit 0
  48           ;;
  49
  50       --reader-port)
  51           prev=reader_port
  52           ;;
  53       --reader-port=*)
  54           reader_port="$optarg"
  55           ;;
  56       --old-code)
  57           prev=old_code
  58           ;;
  59       --old-code=*)
  60           old_code="$optarg"
  61           ;;
  62       --new-code)
  63           prev=new_code
  64           ;;
  65       --new-code=*)
  66           new_code="$optarg"
  67           ;;
  68       --status)
  69           prev=status
  70           ;;
  71       --new-code=*)
  72           status="$optarg"
  73           ;;
  74
  75       -*)
  76           echo "$PGM: invalid option $tick$arg'" >&2
  77           exit 1
  78           ;;
  79
  80       *)
  81           break
  82           ;;
  83   esac
  84   shift
  85 done
  86 if [ -n "$prev" ]; then
  87   echo "$PGM: argument missing for option $tick$prev'" >&2
  88   exit 1
  89 fi
  90
  91 cat <<EOF
  92 ========================
  93 port:     $reader_port
  94 old-code: $old_code
  95 new-code: $new_code
  96 status:   $status
  97 EOF
  98
  99 if [ x$status = xUSABLE ]; then
 100     gpg --batch --card-status 2>&1
 101 fi
 102