From e8c773aa03892bc905eefe8831c04b67c7978f6a Mon Sep 17 00:00:00 2001
From: Silvio Rhatto <rhatto@riseup.net>
Date: Sun, 22 Dec 2013 12:11:54 -0200
Subject: Misc cleanup

---
 misc/poc/firma-0.2.1 | 133 ---------------------------------------------------
 1 file changed, 133 deletions(-)
 delete mode 100755 misc/poc/firma-0.2.1

(limited to 'misc/poc/firma-0.2.1')

diff --git a/misc/poc/firma-0.2.1 b/misc/poc/firma-0.2.1
deleted file mode 100755
index 13ee6da..0000000
--- a/misc/poc/firma-0.2.1
+++ /dev/null
@@ -1,133 +0,0 @@
-#!/bin/bash
-#
-# firma v0.2.1: simple encrypted mailing list aliases
-# feedback: rhatto@riseup.net luis@riseup.net | GPL
-#
-# list configuration is passed thru the config file,
-# where you put PARAMETER=value (whithout spaces)
-#
-# MAIL= path for mail program
-# GPG= path for gnupg binary
-# TMP= where you want the temp files
-# LISTNAME= list email
-# LISTADMIN= list administrator email addresses (space separated)
-# GPGDIR= gpg dir for the lists' keyring
-# PASSWD= passwd for the lists' keyring
-
-# eval the config file
-source $1
-
-# declare GPG variables
-GPGCOMMAND="$GPG --quiet --homedir $GPGDIR --batch --no-tty --no-use-agent --no-permission-warning"
-GPGLIST="$GPGCOMMAND --list-keys --with-colons"
-GPGDECRYPT="$GPGCOMMAND --passphrase-fd 0 --decrypt"
-GPGENCRYPT="$GPGCOMMAND --passphrase-fd 0 --always-trust --encrypt --sign --armor --hidden-recipient"
-
-# check configuration file parameters
-# todo: check if $TMP directory/files exist and if password is at least n characters long
-if [ ! -x $GPG -o ! -f $GPG ]; then
-  echo -e "\n$1: GPG binary ($GPG) could not be found.\n"
-  exit
-elif [ ! -x $MAIL -o ! -f $MAIL ]; then
-  echo -e "\n$1: Mail program ($MAIL) could not be found.\n"
-  exit
-elif [ ! -d $GPGDIR -o ! -f $GPGDIR/pubring.gpg -o ! -f $GPGDIR/secring.gpg ]; then
-  echo -e "\n$1: GPG home directory ($GPGDIR) or the GPG keyrings could not be found.\n"
-  exit
-elif [ -z $($GPGLIST | grep -o "<$LISTNAME>") ]; then
-  echo -e "\n$1: GPG key for list \"$LISTNAME\" could not be found."
-  echo -e "$1: Note that this parameter expects an email address.\n"
-  exit
-else
-  for ADMIN in $LISTADMIN; do {
-    if [ -z $($GPGLIST | grep -o "<$ADMIN>") ]; then
-      echo -e "\n$1: GPG key for list administrator \"$ADMIN\" could not be found."
-      echo -e "$1: Note that this parameter expects one or more email addresses.\n"
-      exit
-    fi; }
-  done
-fi
-
-# declare functions
-# discard $GPGDECRYPT STDOUT and get its STDERR instead, for signature checking
-function GPGSTDERR {
-  echo "$PASSWD" | ($GPGDECRYPT --status-fd 2 $TMP.gpg 1> /dev/null) 2>&1 ;
-}
-
-# get list susbscriber addresses
-function SUBSCRIBERS {
-  $GPGLIST | sed -n "/$LISTNAME/d;/pub/p" | grep -o "<.*>" | sed -e "s/[<>]//g" ;
-}
-
-# create the temporary files and restrict their permissions
-rm -f $TMP $TMP.gpg
-touch $TMP; chmod 600 $TMP;
-touch $TMP.gpg; chmod 600 $TMP.gpg;
-
-# todo: use an array
-while read STDIN; do
-  echo $STDIN >> $TMP
-done
-
-# get the message headers
-# todo: find a better place for $FROMADD since its not part of the message headers
-FROM=$(grep -m 1 "^From:" $TMP | cut -d : -f 2- | sed "s/^ //")
-FROMADD=$(echo $FROM | if grep -q "<" ; then echo $FROM | grep -o "<.*>" | sed -e "s/[<>]//g" ; else echo $FROM ; fi)
-DATE=$(grep -m 1 "^Date:" $TMP)
-SUBJECT=$(grep -m 1 "^Subject:" $TMP | cut -d : -f 2- | sed "s/^ //")
-
-# get the encrypted message
-sed -n "/-----BEGIN PGP MESSAGE-----/,/-----END PGP MESSAGE-----/p" $TMP >> $TMP.gpg
-
-# if signature is Good, encrypt and send it for each list subscriber
-# todo: declare a function to decrypt, re-encrypt and send the list messages
-if (GPGSTDERR | grep -q "GOODSIG") ; then
-
-  for EMAIL in $(SUBSCRIBERS); do 
-
-    echo "$PASSWD
-    Message from: $FROM
-    Subject: $SUBJECT
-    $DATE
-
-    $(GPGSTDERR | grep "gpg: Signature made")
-    $(GPGSTDERR | grep "gpg: Good signature from")
-
-$(echo "$PASSWD" | $GPGDECRYPT $TMP.gpg 2> /dev/null)" | sed -e "s/=20$//" | $GPGENCRYPT $EMAIL | $MAIL -r $LISTNAME $EMAIL
-
-  done
-
-# else, if signature is BAD, email it back to sender and to list admins
-elif (GPGSTDERR | grep -q "BADSIG") ; then
-
-    echo "$PASSWD
-    Message from: $FROM
-    Subject: [BAD SIGNATURE] $SUBJECT
-    $DATE
-
-    $(GPGSTDERR | grep "gpg: Signature made")
-    $(GPGSTDERR | grep "gpg: BAD signature from")
-
-$(echo "$PASSWD" | $GPGDECRYPT $TMP.gpg 2> /dev/null)" | sed -e "s/=20$//" | $GPGENCRYPT $LISTADMIN $FROMADD | $MAIL -r $LISTNAME $LISTADMIN $FROMADD
-
-# else, probably either the message was not signed or the sender is not subscribed to the list
-# email the message back to sender including a note about this
-# todo: parse STDERR to find out why the signature couldn't be checked and send more specific errors back to sender
-else
-
-    echo "
-    Message from: $FROM
-    Subject: [RETURNED MAIL] $SUBJECT
-    $DATE
-
-    [ It was not possible to process this message. Either or both
-      the message was not encrypted and/or signed, or you are not
-      subscribed to this list.  Contact the list administrator if
-      you have any questions. ]
-
-    -- 
-    firma v0.2.1" | $MAIL -r $LISTNAME $FROMADD
-
-fi
- 
-rm -f $TMP $TMP.gpg
-- 
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