gpg-mailkeys/gpg-mailkeys

   1 #! /bin/sh
   2
   3 set -e
   4
   5 VERSION="0.4.0"
   6
   7 if [ -z "$*" ]; then
   8         echo "Send people their newly signed GPG key by mail."
   9         echo "Usage: $0 keyid ..."
  10         exit 1
  11 fi
  12
  13 if [ -e ~/.gpg-mailkeysrc ] ; then
  14         . ~/.gpg-mailkeysrc
  15 fi
  16 if [ -n "$EMAIL" ]; then
  17         FROM="$EMAIL"
  18 fi
  19 if [ -z "$SUBJECT" ]; then
  20         SUBJECT="Your signed GPG key"
  21 fi
  22 if [ -z "$NAME" ]; then
  23         NAME=`getent passwd $USER | cut -d: -f5 | cut -d, -f1`
  24 fi
  25 if [ -z "$TEXT" ]; then
  26         TEXT="Hi,
  27
  28 Here is your signed GPG key.
  29
  30 Enjoy,
  31 $NAME"
  32 fi
  33
  34 FAILKEYS=
  35
  36 while [ -n "$1" ]; do
  37         echo -n "[$1] "
  38         TEMPFILE=`mktemp -t gpg2mail.XXXXXX`
  39         ADDR=`gpg --with-colons --fixed-list-mode --list-key $1 | sed -e 's/^uid:[^re][^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:\([^:<]*<[^:>]*>\):.*/@@uid@@ \1/' -e '/^@@uid@@ /!d' -e 's/([^)]*)//g' -e 's/  */ /g' -e 's/^@@uid@@ //' | head -1`
  40         if [ -z "$ADDR" ]; then
  41                 echo "(no usable user ids)"
  42                 FAILKEYS="$FAILKEYS:$1"
  43                 shift 1
  44                 continue
  45         fi
  46         BOUNDARY="ksp-$$-boundary-$RANDOM"
  47
  48         echo -n "$ADDR:"
  49         if [ $FROM ]; then
  50                 echo >$TEMPFILE "From: $NAME <$FROM>"
  51         fi
  52 cat << EOM >> $TEMPFILE
  53 To: $ADDR
  54 Subject: $SUBJECT
  55 User-Agent: gpg-mailkeys/$VERSION
  56 MIME-Version: 1.0
  57 Content-Type: multipart/mixed; micalg=pgp-sha1;
  58     protocol="application/pgp-signature"; boundary="$BOUNDARY"
  59 Content-Disposition: inline
  60
  61
  62
  63 --$BOUNDARY
  64 Content-Type: text/plain; charset=us-ascii
  65 Content-Disposition: inline
  66 Content-Transfer-Encoding: quoted-printable
  67
  68
  69 $TEXT
  70
  71 EOM
  72
  73 if [ -f ~/.signature ];
  74         then echo "--=20" >> $TEMPFILE
  75         cat ~/.signature >> $TEMPFILE
  76 fi
  77
  78 cat << EOM >> $TEMPFILE
  79
  80 --$BOUNDARY
  81 Content-Type: text/plain; charset=us-ascii
  82 Content-Disposition: attachment; filename="$1.sig"
  83
  84 `gpg --armor --export $1`
  85
  86 --$BOUNDARY--
  87 EOM
  88         echo -n " sending"
  89         /usr/sbin/sendmail -t <$TEMPFILE
  90         rm $TEMPFILE
  91         echo " done."
  92         shift 1
  93 done
  94
  95 if [ -n "$FAILKEYS" ]; then
  96         echo
  97         echo "Note: The following keys could not be sent:"
  98         echo "$FAILKEYS" | tr ':' '\n' | sed -e '/^ *$/d' -e 's/^/  /'
  99 fi