/usr/sbin/mailer is in john 1.7.8-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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 | #!/bin/sh
#
# This file is part of John the Ripper password cracker,
# Copyright (c) 1996-98 by Solar Designer
#
if [ $# -ne 1 ]; then
echo "Usage: $0 PASSWORD-FILE"
exit 0
fi
if [ ! -f /etc/john/john-mail.conf ]; then
echo "Couldn't find /etc/john/john-mail.conf -- stopping!"
exit 0
fi
if [ ! -f /etc/john/john-mail.msg ]; then
echo "Couldn't find /etc/john/john-mail.msg -- stopping!"
exit 0
fi
# In Debian, john should be in /usr/sbin. "john" binaries in other
# locations should not be used.
JOHNDIR=/usr/sbin
# Let's get stuff from conf file:
SHELLS=`grep -e "^[ ]*shells[ ]*=[ ]*" /etc/john/john-mail.conf | sed "s/.*=[ ]*//"`
MAILCMD=`grep -e "^[ ]*mailcmd[ ]*=[ ]*" /etc/john/john-mail.conf | sed "s/.*=[ ]*//"`
MAILARGS=`grep -e "^[ ]*mailargs[ ]*=[ ]*" /etc/john/john-mail.conf | sed "s/.*=[ ]*//"`
# Let's start
$JOHNDIR/john -show "$1" -shells:$SHELLS | sed -n 's/:.*//p' |
(
SENT=0
while read LOGIN; do
echo Sending mail to "$LOGIN"...
# Sends a message to each user; a template is in /etc/john/john.msg
# Subject, Reply-to, and other header lines should be put
# at the top of that file.
sed -e 's/@LOGIN/'$LOGIN'/g' \
-e 's/@HOSTNAME/'$(hostname)'/g' /etc/john/john-mail.msg |
$MAILCMD $MAILARGS $LOGIN
SENT=$(($SENT+1))
done
if [ ! $SENT -eq 0 ]; then
echo "John has cracked $SENT passwords. If you want to see them,"
echo "use john -show <passwordfile>. (See john(1) for details)."
fi
)
|