unix-privesc-check/lib/checks/passwd_hashes
2012-12-20 15:42:13 -07:00

55 lines
1.6 KiB
Bash
Executable File

#!/bin/sh
# $Revision: 317 $
#
# 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# (c) Tim Brown, 2012
# <mailto:timb@nth-dimension.org.uk>
# <http://www.nth-dimension.org.uk/> / <http://www.machine.org.uk/>
#
# List users with no password set or password in /etc/passwd
. lib/misc/stdio
. lib/misc/passwd
passwd_hashes_init () {
stdio_message_log "passwd_hashes" "Starting at: `date`"
}
passwd_hashes_main () {
passwd_list | while read username
do
if [ "${username}" = "+" ]
then
stdio_message_warn "passwd_hashes" "/etc/passwd allows external authentication"
else
hash="`passwd_show_hash "${username}"`"
if [ "${hash}" != "x" -a "${hash}" != "\!" -a "${hash}" != "*" ]
then
if [ -z "${hash}" ]
then
stdio_message_warn "passwd_hashes" "${username} has no password set"
else
stdio_message_warn "passwd_hashes" "/etc/passwd contains password hash for ${username} (${hash})"
fi
fi
fi
done
}
passwd_hashes_fini () {
stdio_message_log "passwd_hashes" "Ending at: `date`"
}