Hello all JT pointed out that the mime-verify-signature-filter-Skript didn't work properly with all messages. This version is now corrected and should work (hopefully) with all kind of mime/pgp-Signed mails. Sorry for the inconvenience.
-- cu --== Jerri ==-- Homepage: http://www.jerri.de/ ICQ: 54160208
#!/bin/sh
# To get a good name which isn't overwritten
tempname=check_sign-$RANDOM-$$-$(date +"%Y%m%d%H%M%S")
# Create a temporary dir
mkdir /tmp/$tempname
cd /tmp/$tempname
# backup the original mail
cat > mail
# Get the signature
munpack -q mail > /dev/null 2>&1
# Get the signed part
boundary=`cat mail | grep boundary | sed -e "s/.*boundary=\"\(.*\)\".*/\1/" | sed -e
"s/[\/+*]/./g" | head -1`
cat mail | sed -e "1,/^--$boundary$/ d" -e "/^--$boundary$/,$ d" | sed -e "$ d" >
signed
# Check the signature
echo "-----Output from GnuPG-----" > gpgoutput
gpg --no-tty --verify part1 signed >> gpgoutput 2>&1
echo >> gpgoutput
# Output new mail
# Header
cat mail | sed -e "/^$/,$ d" | grep -v "^[Content-|Lines]" | grep -v "protocol"
# Mailbody and output from verification
# Thanks to JT <[EMAIL PROTECTED]> to pointing out the difference between
# multipart and normal messages
if cat signed | sed -e "/^$/,$ d" | grep -q "boundary"; then
# If multipart message (with attachments)
boundary=`cat signed | grep boundary | sed -e "s/.*boundary=\"\(.*\)\".*/\1/"
| sed -e "s/[\/+*]/./g" | head -1`
cat signed | awk "BEGIN {nummer=0} /^--$boundary\$/ {nummer++; if (nummer==2)
{system(\"/bin/cat gpgoutput\")}} {print}"
else
# Just a plain mail
cat signed gpgoutput
fi
# Delete tempdir and files therein
cd /
rm -rf /tmp/$tempname
msg23086/pgp00000.pgp
Description: PGP signature
