8.1.4_record_date_time_edit.sh 8.1.5_record_user_group_edit.sh

bin/hardening/8.1.4_record_date_time_edit.sh

@@ -0,0 +1,69 @@
+#!/bin/bash
+
+#
+# CIS Debian 7 Hardening
+# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
+#
+
+#
+# 8.1.4 Record Events That Modify Date and Time Information (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+AUDIT_PARAMS='-a always,exit -F arch=b64 -S adjtimex -S settimeofday -k time-change
+-a always,exit -F arch=b32 -S adjtimex -S settimeofday -S stime -k time-change
+-a always,exit -F arch=b64 -S clock_settime -k time-change
+-a always,exit -F arch=b32 -S clock_settime -k time-change
+-w /etc/localtime -p wa -k time-change'
+FILE='/etc/audit/audit.rules'
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+    IFS=$'\n'
+    for AUDIT_VALUE in $AUDIT_PARAMS; do
+        debug "$AUDIT_VALUE must be in file $FILE"
+        does_pattern_exists_in_file $FILE $AUDIT_VALUE
+        if [ $FNRET != 0 ]; then
+            crit "$AUDIT_VALUE is not in file $FILE"
+        else
+            ok "$AUDIT_VALUE present in $FILE"
+        fi
+    done
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+    IFS=$'\n'
+    for AUDIT_VALUE in $AUDIT_PARAMS; do
+        debug "$AUDIT_VALUE must be in file $FILE"
+        does_pattern_exists_in_file $FILE $AUDIT_VALUE
+        if [ $FNRET != 0 ]; then
+            warn "$AUDIT_VALUE is not in file $FILE, adding it"
+            add_end_of_file $FILE $AUDIT_VALUE
+            eval $(pkill -HUP -P 1 auditd)
+        else
+            ok "$AUDIT_VALUE present in $FILE"
+        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

bin/hardening/8.1.5_record_user_group_edit.sh

@@ -0,0 +1,69 @@
+#!/bin/bash
+
+#
+# CIS Debian 7 Hardening
+# Authors : Thibault Dewailly, OVH <thibault.dewailly@corp.ovh.com>
+#
+
+#
+# 8.1.5 Record Events That Modify User/Group Information (Scored)
+#
+
+set -e # One error, it's over
+set -u # One variable unset, it's over
+
+AUDIT_PARAMS='-w /etc/group -p wa -k identity
+-w /etc/passwd -p wa -k identity
+-w /etc/gshadow -p wa -k identity
+-w /etc/shadow -p wa -k identity
+-w /etc/security/opasswd -p wa -k identity'
+FILE='/etc/audit/audit.rules'
+
+# This function will be called if the script status is on enabled / audit mode
+audit () {
+    IFS=$'\n'
+    for AUDIT_VALUE in $AUDIT_PARAMS; do
+        debug "$AUDIT_VALUE must be in file $FILE"
+        does_pattern_exists_in_file $FILE $AUDIT_VALUE
+        if [ $FNRET != 0 ]; then
+            crit "$AUDIT_VALUE is not in file $FILE"
+        else
+            ok "$AUDIT_VALUE present in $FILE"
+        fi
+    done
+}
+
+# This function will be called if the script status is on enabled mode
+apply () {
+    IFS=$'\n'
+    for AUDIT_VALUE in $AUDIT_PARAMS; do
+        debug "$AUDIT_VALUE must be in file $FILE"
+        does_pattern_exists_in_file $FILE $AUDIT_VALUE
+        if [ $FNRET != 0 ]; then
+            warn "$AUDIT_VALUE is not in file $FILE, adding it"
+            add_end_of_file $FILE $AUDIT_VALUE
+            eval $(pkill -HUP -P 1 auditd)
+        else
+            ok "$AUDIT_VALUE present in $FILE"
+        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

etc/conf.d/8.1.4_record_date_time_edit.cfg

@@ -0,0 +1,2 @@
+# Configuration for script of same name
+status=enabled

etc/conf.d/8.1.5_record_user_group_edit.cfg

@@ -0,0 +1,2 @@
+# Configuration for script of same name
+status=enabled

lib/utils.sh

@@ -111,7 +111,8 @@ does_pattern_exists_in_file() {
     local PATTERN=$2
 
     debug "Checking if $PATTERN is present in $FILE"
-    if $(grep -qE "$PATTERN" $FILE); then
+    debug "grep -qE -- '$PATTERN' $FILE"
+    if $(grep -qE -- "$PATTERN" $FILE); then
         FNRET=0
     else
         FNRET=1