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authorbnewbold <bnewbold@robocracy.org>2012-08-21 13:03:50 -0400
committerbnewbold <bnewbold@robocracy.org>2012-08-21 13:06:30 -0400
commit2fc0e9c1b8eeac923b2e2d8dbe574993c8417009 (patch)
tree07f14da3ba4cffa45f6554d800b8cf11a94ba3f1 /bin/ez-pine-gpg-sign-and-encrypt
parent68d2ee91f9d1ea98d1a25e8dc0577d25edbf0c57 (diff)
downloadopenwrt-repro-2fc0e9c1b8eeac923b2e2d8dbe574993c8417009.tar.gz
openwrt-repro-2fc0e9c1b8eeac923b2e2d8dbe574993c8417009.zip
add ez-pine stuff to dotfiles
Diffstat (limited to 'bin/ez-pine-gpg-sign-and-encrypt')
-rwxr-xr-xbin/ez-pine-gpg-sign-and-encrypt134
1 files changed, 134 insertions, 0 deletions
diff --git a/bin/ez-pine-gpg-sign-and-encrypt b/bin/ez-pine-gpg-sign-and-encrypt
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+++ b/bin/ez-pine-gpg-sign-and-encrypt
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+#!/bin/sh
+
+########################################################
+## ez-pine-gpg-sign-and-encrypt ##
+## 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
+
+###################
+## clear the screen
+clear 1>&2
+
+######################################################
+## this compensates for an un-acknowledged bug in pine
+stty -f /dev/tty echo
+
+###############################################################
+## display notices and give the user an opportunity to bail out
+##
+echo '#########################################################################' 1>&2
+echo '## This message is being processed by ez-pine-gpg v0.4h ##' 1>&2
+echo '## http://Business-PHP.com/opensource/ez-pine-gpg/ ##' 1>&2
+echo '## (c) 13 Feb 2004, Atom Emet ##' 1>&2
+echo '## (c) 16 Dec 2004, Atom Emet ##' 1>&2
+echo '## Distributed under the GNU General Public License ##' 1>&2
+echo '## See source for details ##' 1>&2
+echo '## ##' 1>&2
+echo '## This filter signs and encrypts your message. ##' 1>&2
+echo '## ##' 1>&2
+echo '## (May not be safe for BCC recipients -- see documentation) ##' 1>&2
+echo '## ##' 1>&2
+echo '## If you want to cancel sending press ^C ##' 1>&2
+echo '#########################################################################' 1>&2
+
+#######################################
+## function to gracefully handle errors
+## if something goes wrong display an error message
+## that includes the recipients
+##
+gpg_failed () {
+ echo '#########################################################################' 1>&2
+ echo '## Something went wrong #### See above for more info ##' 1>&2
+ echo '#########################################################################' 1>&2
+ echo "## Tried signing message from: ${from}" 1>&2
+ echo '#########################################################################' 1>&2
+ echo "## Tried encrypting to: <user>`printf '\011'`(key ID)" 1>&2
+ for each_recipient in ${@}
+ do
+ [ "`echo ${each_recipient} | egrep '@'`" ] && echo "## <${each_recipient}>`printf '\011'`(`gpg --with-colons --list-keys ${each_recipient} 2> /dev/null | egrep ^pub | head -n 1 | cut -d : -f 5`)" 1>&2
+ done
+ echo '#########################################################################' 1>&2
+ ########################
+ ## unset these variables
+ recipients= ; each_recipient= ; from=
+ #############################################################################
+ ## a non-zero exit status will force pine to recognize that the script failed
+ ## forcing an acknowledgment here will leave diagnostic info visible to user
+ echo '/////////////////////// Press <ENTER> to continue ///////////////////////' 1>&2
+ read dead < /dev/tty
+ clear 1>&2
+ exit 1
+}
+
+###########################################
+## do the right thing even if ^C is pressed
+##
+trap 'echo 1>&2 ; gpg_failed ${@}' 2
+
+##########################################################
+## the variable "msg" is the full headers and message body
+##
+msg="`cat`"
+
+########################################################################
+## use "ez-pine-gpg-helper-sender" to find what role is sending the mail
+##
+from=`echo "${msg}" | ez-pine-gpg-helper-sender`
+
+###############################################
+## recipients are passed as arguments from pine
+## and processed by "ez-pine-gpg-helper-recipient"
+## if a key can't be found for an address then
+## bail out with an error message
+##
+recipients=`ez-pine-gpg-helper-recipient ${@}` || gpg_failed ${@}
+
+################################################################
+## pipe the message body (minus headers) into gpg sign + encrypt
+## pine will read the signed message from STDOUT
+##
+cr=`printf '\015'`
+echo "${msg}" | sed "1,/^${cr}\$/d" \
+ | gpg --sign --encrypt --local-user "${from}" --armor ${recipients} || gpg_failed ${recipients}
+
+#############################################
+## unset variables that we don't need anymore
+##
+recipients= ; each_recipient= ; from= ; msg=
+
+#############
+## we're done
+##
+exit 0