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13.12_users_valid_homedir.sh 13.11_find_passwd_group_inconsistencies.sh 13.13_check_user_homedir_ownership.sh

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This commit is contained in:
thibault.dewailly 2016-04-17 18:58:25 +02:00
parent 39e9c794e4
commit 4894b6d402
7 changed files with 193 additions and 1 deletions
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65
bin/hardening/13.11_find_passwd_group_inconsistencies.sh Executable file
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#!/bin/bash
#
# CIS Debian 7 Hardening
# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
#
#
# 13.11 Check Groups in /etc/passwd (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
ERRORS=0
# This function will be called if the script status is on enabled / audit mode
audit () {
for GROUP in $(cut -s -d: -f4 /etc/passwd | sort -u ); do
debug "Working on group $GROUP"
if ! grep -q -P "^.*?:[^:]*:$GROUP:" /etc/group; then
crit "Group $GROUP is referenced by /etc/passwd but does not exist in /etc/group"
ERRORS=$(($ERRORS+1))
fi
done
if [ $ERRORS = 0 ]; then
ok "passwd and group Groups are consistent"
fi
}
# This function will be called if the script status is on enabled mode
apply () {
for GROUP in $(cut -s -d: -f4 /etc/passwd | sort -u ); do
debug "Working on group $GROUP"
if ! grep -q -P "^.*?:[^:]*:$GROUP:" /etc/group; then
crit "Group $GROUP is referenced by /etc/passwd but does not exist in /etc/group"
ERRORS=$(($ERRORS+1))
fi
done
if [ $ERRORS != 0 ]; then
warn "Consider creating missing group"
fi
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ ! -r /etc/default/cis-hardenning ]; then
echo "There is no /etc/default/cis-hardenning FILE, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardenning
if [ -z $CIS_ROOT_DIR ]; then
echo "No CIS_ROOT_DIR variable, aborting"
fi
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh

56
bin/hardening/13.12_users_valid_homedir.sh Executable file
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#!/bin/bash
#
# CIS Debian 7 Hardening
# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
#
#
# 13.12 Check That Users Are Assigned Valid Home Directories (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
ERRORS=0
# This function will be called if the script status is on enabled / audit mode
audit () {
cat /etc/passwd | awk -F: '{ print $1 " " $3 " " $6 }' | while read USER USERID DIR; do
if [ $USERID -ge 1000 -a ! -d "$DIR" -a $USER != "nfsnobody" -a $USER != "nobody" ]; then
crit "The home directory ($DIR) of user $USER does not exist."
ERRORS=$((ERRORS+1))
fi
done
if [ $ERRORS = 0 ]; then
ok "All home directories exists"
fi
}
# This function will be called if the script status is on enabled mode
apply () {
if [ $ERRORS != 0 ]; then
warn "Consider creating missing home directories"
fi
:
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ ! -r /etc/default/cis-hardenning ]; then
echo "There is no /etc/default/cis-hardenning FILE, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardenning
if [ -z $CIS_ROOT_DIR ]; then
echo "No CIS_ROOT_DIR variable, aborting"
fi
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh

65
bin/hardening/13.13_check_user_homedir_ownership.sh Executable file
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#!/bin/bash
#
# CIS Debian 7 Hardening
# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
#
#
# 13.13 Check User Home Directory Ownership (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
ERRORS=0
# This function will be called if the script status is on enabled / audit mode
audit () {
cat /etc/passwd | awk -F: '{ print $1 " " $3 " " $6 }' | while read USER USERID DIR; do
if [ $USERID -ge 500 -a -d "$DIR" -a $USER != "nfsnobody" ]; then
OWNER=$(stat -L -c "%U" "$DIR")
if [ "$OWNER" != "$USER" ]; then
crit "The home directory ($DIR) of user $USER is owned by $OWNER."
ERRORS=$(($ERRORS+1))
fi
fi
done
if [ $ERRORS = 0 ]; then
ok "All home directories have correct ownership"
fi
}
# This function will be called if the script status is on enabled mode
apply () {
cat /etc/passwd | awk -F: '{ print $1 " " $3 " " $6 }' | while read USER USERID DIR; do
if [ $USERID -ge 500 -a -d "$DIR" -a $USER != "nfsnobody" ]; then
OWNER=$(stat -L -c "%U" "$DIR")
if [ "$OWNER" != "$USER" ]; then
warn "The home directory ($DIR) of user $USER is owned by $OWNER."
chown $USER $DIR
fi
fi
done
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ ! -r /etc/default/cis-hardenning ]; then
echo "There is no /etc/default/cis-hardenning FILE, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardenning
if [ -z $CIS_ROOT_DIR ]; then
echo "No CIS_ROOT_DIR variable, aborting"
fi
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh

2
etc/conf.d/1.1_install_updates.cfg
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# Configuration for script of same name
status=disabled
status=enabled

2
etc/conf.d/13.11_find_passwd_group_inconsistencies.cfg Normal file
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# Configuration for script of same name
status=enabled

2
etc/conf.d/13.12_users_valid_homedir.cfg Normal file
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# Configuration for script of same name
status=enabled

2
etc/conf.d/13.13_check_user_homedir_ownership.cfg Normal file
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# Configuration for script of same name
status=enabled