gpg-mailkeys/gpg-mailkeys

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