autonomic-cooperative/unix-privesc-check
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Imported Upstream version 1.4~svn361

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Devon Kearns
2012-12-20 15:42:13 -07:00
commit a75bafe602
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56
lib/checks/devices_options Executable file
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#!/bin/sh
# $Revision: 337 $
#
# 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/>
#
# Check for weak options on devices files
. lib/misc/device
. lib/misc/file
. lib/misc/stdio
devices_options_init () {
stdio_message_log "devices_options" "Starting at: `date`"
}
devices_options_main () {
device_list_options | while read device options
do
if [ -n "`printf -- \"${options}\" | egrep -- \"user\"`" -a -z "`printf -- \"${options}\" | egrep -- \"nouser\"`" ]
then
stdio_message_warn "devices_options" "device file ${device} can be mounted by users"
fi
if [ -n "`printf -- \"${options}\" | egrep -- \"dev\"`" -a -z "`printf -- \"${options}\" | egrep -- \"nodev\"`" ]
then
stdio_message_debug "devices_options" "device file ${device} interprets block devices"
fi
if [ -n "`printf -- \"${options}\" | egrep -- \"suid\"`" -a -z "`printf -- \"${options}\" | egrep -- \"nosuid\"`" ]
then
stdio_message_log "devices_options" "device file ${device} permits the execution of setuid and setgid executables"
fi
if [ -n "`printf -- \"${options}\" | egrep -- \"defaults\"`" -a -z "`printf -- \"${options}\" | egrep -- \"nosuid\"`" ]
then
stdio_message_log "devices_options" "device file ${device} permits the execution of setuid and setgid executables"
fi
done
}
devices_options_fini () {
stdio_message_log "devices_options" "Ending at: `date`"
}