1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
#!/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 --armor ${recipients} || gpg_failed ${recipients}
#############################################
## unset variables that we don't need anymore
##
recipients= ; each_recipient= ; from= ; msg=
#############
## we're done
##
exit 0
|
