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Diffstat (limited to 'bin/ez-pine-gpg-helper-sender')
| -rwxr-xr-x | bin/ez-pine-gpg-helper-sender | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/bin/ez-pine-gpg-helper-sender b/bin/ez-pine-gpg-helper-sender new file mode 100755 index 0000000..25f3586 --- /dev/null +++ b/bin/ez-pine-gpg-helper-sender @@ -0,0 +1,117 @@ +#!/bin/sh + +######################################################## +## ez-pine-gpg-helper-sender ## +## part of ez-pine-gpg v0.4h // gpg filters for pine ## +## http://Business-PHP.com/opensource/ez-pine-gpg/ ## +## (c) 13 Feb 2004, Atom Emet ## +## (c) 16 Dec 2004, Atom Emet ## +## Atom {at} Business-PHP.com ## +## Distributed under the GNU General Public License ## +## http://www.gnu.org/copyleft/gpl.html ## +## ## +## ################################################ ## +## ## +## This program is free software; you can ## +## redistribute it and/or modify it under the terms ## +## of the GNU General Public License as published by ## +## the Free Software Foundation; either version 2 of ## +## the License, or (at your option) any later ## +## version. ## +## ## +## This program is distributed in the hope that it ## +## will be useful, but WITHOUT ANY WARRANTY; without ## +## even the implied warranty of MERCHANTABILITY or ## +## FITNESS FOR A PARTICULAR PURPOSE. See the GNU ## +## General Public License for more details. ## +## ## +## You should have received a copy of the GNU ## +## General Public License along with this program; ## +## if not, write to the ## +## Free Software Foundation, Inc., ## +## 59 Temple Place - Suite 330, ## +## Boston, MA 02111-1307, USA. ## +######################################################## + +######################################### +## PATH is configured during installation +PATH=/bin:/usr/bin:/home/bnewbold/bin + +########################################################################## +## make sure the role being used to send has a valid key in the keyring ## +########################################################################## + +##################################################### +## the var "msg" is the full headers and message body +## +msg="`cat`" + +###################################################################################### +## if there is an "OpenPGP" find the "id" field <http://josefsson.org/openpgp-header/> +## use that key for signing: +## OpenPGP: id=0x12345678 +## +if which 822fields >& - 2>& - +then + key_id=`echo "${msg}" | 822fields OpenPGP | sed 's!([^)]*)!!g' | tr ' ;' '\n' | egrep ^id | cut -d= -f2` + if [ "${key_id}" ] + then + echo "Signing with \"OpenPGP\" UID: ${key_id}" 1>&2 + echo "${key_id}" + key_id= ; msg= + exit 0 + fi +fi + +############################################################### +## if there is a header "X-OpenPGP-KeyID" or "X-OpenPGP-Key-ID" +## use that key for signing: +## X-OpenPGP-KeyID: 0x12345678 +## +key_id=`echo "${msg}" | tr -d '\r' | egrep -i '^X-OpenPGP-Key(-)?ID: ' | tr ' ' '\n' | egrep '0x' | head -n 1` +if [ "${key_id}" ] +then + echo "${key_id}" + key_id= ; msg= + exit 0 +fi + +############################################### +## the last token on the "From" line is used as +## gpg's "--local-user" option +## angle brackets (<>) are stripped off +## +from=`echo "${msg}" | egrep '^From: ' | head -n 1 | tr -d '[\n\r]' | sed 's/^.* // ; s/[<>]//g'` + +####################################### +## make sure we've found a valid sender +## +if ! gpg --list-secret-keys ${from} 2>&- 1>&- && [ "`echo ${from} | egrep '.*-.*@'`" ] +then + echo '/////////////////////////////////////////////////////////////////////////' 1>&2 + echo "// No secret key found for <${from}>" 1>&2 + from=`echo ${from} | sed 's/-.*@/@/'` + echo "// Should I try signing with a key for <${from}>? [Y/n]: " | tr -d '\n' 1>&2 + read answer 0< /dev/tty + if [ `echo "${answer}" | egrep -i n` ] + then + msg= ; from= + exit 2 + fi + echo 1>&2 +fi + +######################################################### +## echo the sending address that we have a secret key for +## this returns the address to the calling process +echo "${from}" + +######################################## +## unset variables we don't need anymore +## +msg= ; from= + +############# +## we're done +## +exit 0 |