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Modify audit method for apparmor or selinux. 8.1.7

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This commit is contained in:
Samson-W 2019-04-17 18:18:18 +08:00
parent 8abbca05e5
commit e6040d5ee4
1 changed files with 34 additions and 5 deletions
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39
bin/hardening/8.1.7_record_mac_edit.sh
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@ -6,6 +6,7 @@
# #
# 8.1.7 Record Events That Modify the System's Mandatory Access Controls (Scored) # 8.1.7 Record Events That Modify the System's Mandatory Access Controls (Scored)
# Modify by: Samson-W (sccxboy@gmail.com)
# #
set -e # One error, it's over set -e # One error, it's over
@ -13,20 +14,35 @@ set -u # One variable unset, it's over
HARDENING_LEVEL=4 HARDENING_LEVEL=4
AUDIT_PARAMS='-w /etc/selinux/ -p wa -k MAC-policy' SELINUX_PKG="selinux-basics"
SE_AUDIT_PARAMS='-w /etc/selinux/ -p wa -k MAC-policy
-w /usr/share/selinux/ -p wa -k MAC-policy'
APPARMOR_PKG="apparmor"
AA_AUDIT_PARAMS='-w /etc/apparmor/ -p wa -k MAC-policy
-w /etc/apparmor.d/ -p wa -k MAC-policy'
FILE='/etc/audit/rules.d/audit.rules' FILE='/etc/audit/rules.d/audit.rules'
# This function will be called if the script status is on enabled / audit mode # This function will be called if the script status is on enabled / audit mode
audit () { audit () {
# define custom IFS and save default one # define custom IFS and save default one
d_IFS=$IFS d_IFS=$IFS
c_IFS=$'\n' IFS=$'\n'
IFS=$c_IFS is_pkg_installed $SELINUX_PKG
if [ $FNRET = 0 ]; then
AUDIT_PARAMS=$SE_AUDIT_PARAMS
info "SELinux has installed!"
else
is_pkg_installed $APPARMOR_PKG
if [ $FNRET = 0 ]; then
AUDIT_PARAMS=$AA_AUDIT_PARAMS
info "Apparmor has installed!"
fi
fi
for AUDIT_VALUE in $AUDIT_PARAMS; do for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE" debug "$AUDIT_VALUE should be in file $FILE"
IFS=$d_IFS
does_pattern_exist_in_file $FILE "$AUDIT_VALUE" does_pattern_exist_in_file $FILE "$AUDIT_VALUE"
IFS=$c_IFS
if [ $FNRET != 0 ]; then if [ $FNRET != 0 ]; then
crit "$AUDIT_VALUE is not in file $FILE" crit "$AUDIT_VALUE is not in file $FILE"
else else
@ -38,7 +54,19 @@ audit () {
# This function will be called if the script status is on enabled mode # This function will be called if the script status is on enabled mode
apply () { apply () {
d_IFS=$IFS
IFS=$'\n' IFS=$'\n'
is_pkg_installed $SELINUX_PKG
if [ $FNRET = 0 ]; then
AUDIT_PARAMS=$SE_AUDIT_PARAMS
info "SELinux has installed!"
else
is_pkg_installed $APPARMOR_PKG
if [ $FNRET = 0 ]; then
AUDIT_PARAMS=$AA_AUDIT_PARAMS
info "Apparmor has installed!"
fi
fi
for AUDIT_VALUE in $AUDIT_PARAMS; do for AUDIT_VALUE in $AUDIT_PARAMS; do
debug "$AUDIT_VALUE should be in file $FILE" debug "$AUDIT_VALUE should be in file $FILE"
does_pattern_exist_in_file $FILE "$AUDIT_VALUE" does_pattern_exist_in_file $FILE "$AUDIT_VALUE"
@ -50,6 +78,7 @@ apply () {
ok "$AUDIT_VALUE is present in $FILE" ok "$AUDIT_VALUE is present in $FILE"
fi fi
done done
IFS=$d_IFS
} }
# This function will check config parameters required # This function will check config parameters required