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-0.2.4 | 211 ---------------------------------------------------
 1 file changed, 211 deletions(-)
 delete mode 100755 misc/poc/firma-0.2.4

(limited to 'misc/poc/firma-0.2.4')

diff --git a/misc/poc/firma-0.2.4 b/misc/poc/firma-0.2.4
deleted file mode 100755
index 6418782..0000000
--- a/misc/poc/firma-0.2.4
+++ /dev/null
@@ -1,211 +0,0 @@
-#!/bin/bash
-#
-# firma v0.2.4: encrypted mailing list manager
-# 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
-# LISTNAME= list email
-# LISTADMIN= list administrator email addresses (space separated)
-# GPGDIR= gpg dir for the lists' keyring
-# PASSWD= passwd for the lists' keyring
-#
-
-VERSION=0.2.4
-
-function usage {
-  echo usage: $0 firma \<option\> \<config-file\>
-  echo -c: create a new list using config-file
-  echo -p: process a message 
-  echo -a: admin commands
-}
-
-function check_config {
-  # check configuration file parameters
-  if [ ! -f $GPG -o ! -x $GPG ]; then
-    echo -e "\n$1: GPG binary ($GPG) could not be found.\n"
-    exit 1
-  elif [ ! -f $MAIL -o ! -x $MAIL ]; then
-    echo -e "\n$1: Mail program ($MAIL) could not be found.\n"
-    exit 1
-  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 1
-  elif [ -z "$(cat $CONFIG | grep -o ^PASSWD=\'[^\']*\'$)" -o \
-         -z "$(echo -n $PASSWD)" -o \
-         "$(echo -n $PASSWD | wc -m)" -lt "25" -o \
-         -z "$(echo -n $PASSWD | grep -o [[:lower:][:upper:]])" -o \
-         -z "$(echo -n $PASSWD | grep -o [[:digit:]])" -o \
-         "$(echo -n $PASSWD | grep -o [[:punct:]] | wc -l)" -lt "5" ]; then
-    echo -e "\n$CONFIG: PASSWD is empty or does not meet the minimum complexity requirements."
-    echo "$1: Please set a new passphrase for the list's private key. Make it at least"
-    echo "$1: 25 characters long (using a combination of letters, numbers and at least"
-    echo "$1: 5 special characters) and enclose it in 'single quotes'. The passphrase"
-    echo -e "$CONFIG: itself, though, cannot contain any single quote.\n"
-    exit 1
-  elif [ -z "$($GPGLIST | grep ^pub | cut -d : -f 10 | grep -i \<$LISTNAME\>$)" ]; then
-    echo -e "\n$CONFIG: GPG key for list \"$LISTNAME\" could not be found."
-    echo -e "$CONFIG: Note that this parameter expects an email address.\n"
-    exit 1
-  else
-    for ADMIN in $LISTADMIN; do {
-      if [ -z "$($GPGLIST | grep ^pub | cut -d : -f 10 | grep -i \<$ADMIN\>$)" ]; then
-        echo -e "\n$CONFIG: GPG key for list administrator \"$ADMIN\" could not be found."
-        echo -e "$CONFIG: Note that this parameter expects one or more space separated email addresses.\n"
-        exit 1
-      fi; }
-    done
-  fi
-}
-
-function GPGSTDERR {
-  # discard $GPGDECRYPT STDOUT and get its STDERR instead, for signature checking
-  echo -e "$PASSWD\n${GPG_MESSAGE[@]}" | sed -e 's/^ //' | ($GPGDECRYPT --status-fd 2 1> /dev/null) 2>&1 ;
-}
-
-function SUBSCRIBERS {
-  # get list susbscriber's addresses
-  $GPGLIST | sed -ne "/$LISTNAME/Id" -e '/pub/p' | cut -d : -f 10 | grep -o '<[^<>]*>$' | sed -e 's/[<>]//g' ;
-}
-
-function get_message {
-  n=0;
-  while read STDIN; do
-    MESSAGE[$n]="$STDIN\n"
-    ((++n))
-  done
-}
-
-function get_gpg_message {
-  signal=0; x=0;
-  for ((count=0;count<=n;count++)); do
-    if [[ $signal == "0" ]] && [[ "$(echo "${MESSAGE[$count]}" | grep -v -e "-----BEGIN PGP MESSAGE-----")" == "" ]]; then
-      GPG_MESSAGE[$x]=${MESSAGE[$count]}; ((++x))
-      signal=1
-    elif [[ $signal == "1" ]]; then
-      GPG_MESSAGE[$x]=${MESSAGE[$count]}
-      ((++x))
-      if [[ "$(echo "${MESSAGE[$count]}" | grep -v -e "-----END PGP MESSAGE-----")" == "" ]]; then
-        signal=0
-      fi
-    fi
-  done
-}
-
-function get_headers {
-  # get the message headers and the sender's email address
-  FROM=$(echo -e "${MESSAGE[@]}" | grep -m 1 "From:" | cut -d : -f 2- | sed -e 's/^ //')
-  FROMADD=$(if [ -z "$(echo $FROM | grep '>$')" ] ; then echo $FROM ; else echo $FROM | grep -o '<[^<>]*>$' | sed -e 's/[<>]//
-g' ; fi)
-  DATE=$(echo -e "${MESSAGE[@]}" | grep -m 1 "Date:")
-  SUBJECT=$(echo -e "${MESSAGE[@]}" | grep -m 1 "Subject:" | cut -d : -f 2- | sed -e 's/^ //')
-}
-
-function process_message {
-  # process a message sent to the list
-
-  get_message
-  get_headers 
-  get_gpg_message
-
-  # 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 -Fq GOODSIG) ; then
-  
-    for EMAIL in $(SUBSCRIBERS); do 
-  
-    echo "$PASSWD
-    Message from: $FROM
-    Subject: $SUBJECT
-    $DATE
-  
-    $(GPGSTDERR | grep -F 'gpg: Signature made')
-    $(GPGSTDERR | grep -F 'gpg: Good signature from')
-  
-  $(echo -e "$PASSWD\n${GPG_MESSAGE[@]}" | $GPGDECRYPT 2> /dev/null)" | sed -e 's/=20$//' | $GPGENCRYPT $EMAIL | $MAIL -r $LISTNAME $EMAIL
-  
-    done
-  
-  # else, if signature is BAD, email it back to the list admins and to sender
-  elif (GPGSTDERR | grep -Fq BADSIG) ; then
-  
-    for EMAIL in $(echo $LISTADMIN $FROMADD); do
-  
-    echo "$PASSWD
-    Message from: $FROM
-    Subject: [BAD SIGNATURE] $SUBJECT
-    $DATE
-  
-    $(GPGSTDERR | grep -F 'gpg: Signature made')
-    $(GPGSTDERR | grep -F 'gpg: BAD signature from')
-  
-  $(echo -e "$PASSWD\n${GPG_MESSAGE[@]}" | $GPGDECRYPT 2> /dev/null)" | sed -e 's/=20$//' | $GPGENCRYPT $EMAIL | $MAIL -r $LISTNAME $EMAIL
-  
-    done
-  
-  # 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
-    $DATE
-  
-    [ It was not possible to process this message. Either or both
-      the message was not encrypted and/or signed, or you are not
-      subscribed to this list.  Contact the list administrator if
-      you have any questions. ]
- 
-    -- 
-    firma v$VERSION" | $MAIL -r $LISTNAME $FROMADD
-  
-  fi
-   
-}
-
-# main -
-# command line checking
-if [ -z $2 ]; then
-  usage; exit 1
-else
-  CONFIG=$2
-fi
-
-# if the configuration file exists, disable "sourcepath" and evaluate the parameters
-if [ -f $CONFIG ] && [[ $1 != "-c" ]]; then
-  shopt -u sourcepath && source $CONFIG
-else
-  echo -e "\nConfiguration file \"$CONFIG\" could not be found.\n"
-  exit 1
-fi
-
-declare -a MESSAGE
-declare -a GPG_MESSAGE
-declare n
-export LANG=en_US
-
-# 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 --recipient"
-
-# then check the config
-check_config
-
-# command line parsing
-if [[ $1 == "-c" ]]; then
-  newlist 
-elif [[ $1 == "-p" ]]; then
-  process_message
-elif [[ $1 == "-a" ]]; then
-  admin_task
-else
-  usage; exit 1
-fi 
- 
-- 
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