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='$Rev$'
  10
  11 if [ -z "$*" ]; then
  12         printf "Send people their newly signed GPG key by mail.\n"
  13         printf "Usage: $0 keyid ...\n"
  14         exit 1
  15 fi
  16
  17 if [ -e ~/.gpg-mailkeysrc ] ; then
  18         . ~/.gpg-mailkeysrc
  19 fi
  20 if [ -n "$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         printf "[$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 "$ADDR" ]; then
  45                 printf "(no usable user ids)\n"
  46                 FAILKEYS="$FAILKEYS:$1"
  47                 shift 1
  48                 continue
  49         fi
  50         NANOTIME=`date +%s-%N`
  51         BOUNDARY="ksp-$$-boundary-$NANOTIME"
  52
  53         printf "$ADDR:"
  54         if [ $FROM ]; then
  55                 printf >$TEMPFILE "From: $NAME <$FROM>\n"
  56         fi
  57 cat << EOM >> $TEMPFILE
  58 To: $ADDR
  59 Subject: $SUBJECT
  60 User-Agent: gpg-mailkeys/$VERSION
  61 MIME-Version: 1.0
  62 Content-Type: multipart/mixed; micalg=pgp-sha1;
  63     boundary="$BOUNDARY"
  64 Content-Disposition: inline
  65
  66
  67
  68 --$BOUNDARY
  69 Content-Type: text/plain; charset=us-ascii
  70 Content-Disposition: inline
  71 Content-Transfer-Encoding: quoted-printable
  72
  73
  74 $TEXT
  75
  76 EOM
  77
  78 if [ -f ~/.signature ];
  79         then printf -- "--=20\n" >> $TEMPFILE
  80         cat ~/.signature >> $TEMPFILE
  81 fi
  82
  83 cat << EOM >> $TEMPFILE
  84
  85 --$BOUNDARY
  86 Content-Type: application/pgp-keys
  87 Content-Disposition: attachment; filename="$1.asc"
  88
  89 `gpg --armor --export $1`
  90
  91 --$BOUNDARY--
  92 EOM
  93         printf " sending"
  94         /usr/sbin/sendmail -ti <$TEMPFILE
  95         rm $TEMPFILE
  96         printf " done.\n"
  97         shift 1
  98 done
  99
 100 if [ -n "$FAILKEYS" ]; then
 101         printf "\nNote: The following keys could not be sent:\n"
 102         printf "$FAILKEYS\n" | tr ':' '\n' | sed -e '/^ *$/d' -e 's/^/  /'
 103 fi