96 lines
2.8 KiB
Bash
Executable File
96 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# harbian audit 7/8/9 or CentOS8 Hardening
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# Modify author:
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# Samson-W (sccxboy@gmail.com)
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#
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#
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# 8.1.3 Enable Auditing for Processes That Start Prior to auditd (Scored)
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#
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# todo test for centos
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set -e # One error, it's over
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set -u # One variable unset, it's over
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HARDENING_LEVEL=4
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FILE='/etc/default/grub'
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KEYWORD='GRUB_CMDLINE_LINUX'
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OPTION='audit'
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SETVAL=1
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# This function will be called if the script status is on enabled / audit mode
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audit () {
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does_file_exist $FILE
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if [ $FNRET != 0 ]; then
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crit "$FILE does not exist"
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FNRET=1
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else
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ok "$FILE exists, checking configuration"
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if [ $(grep -w "^${KEYWORD}" ${FILE} | grep -c ${OPTION}) -eq 1 ]; then
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ok "$OPTION is present in $FILE"
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if [ $(grep -w "^${KEYWORD}" $FILE | grep -c "${OPTION}=${SETVAL}") -eq 1 ]; then
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ok "${OPTION}'s set is correctly."
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FNRET=0
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else
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crit "${OPTION}'s set is not correctly."
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FNRET=3
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fi
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else
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crit "$OPTION is not present in $FILE"
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FNRET=2
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fi
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fi
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}
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# This function will be called if the script status is on enabled mode
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apply () {
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if [ $FNRET = 0 ]; then
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ok "${OPTION}'s set is correctly."
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elif [ $FNRET = 1 ]; then
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warn "$FILE does not exist, creating it"
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touch $FILE
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elif [ $FNRET = 2 ]; then
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warn "$OPTION is not present in $FILE, add it to $KEYWORD line, need to reboot the system after setting it"
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sed -i "s;\(${KEYWORD}=\)\(\".*\)\(\"\);\1\2 ${OPTION}=${SETVAL}\3;" $FILE
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if [ OS_RELEASE -eq 1 ]; then
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usr/sbin/update-grub2
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elif [ OS_RELEASE -eq 2 ]; then
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grub2-mkconfig –o /boot/grub2/grub.cfg
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fi
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elif [ $FNRET = 3 ]; then
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warn "Parameter $OPTION is present but with the wrong value -- Fixing, need to reboot the system after setting it"
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sed -i "s/${OPTION}=./${OPTION}=${SETVAL}/" $FILE
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if [ OS_RELEASE -eq 1 ]; then
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usr/sbin/update-grub2
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elif [ OS_RELEASE -eq 2 ]; then
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grub2-mkconfig –o /boot/grub2/grub.cfg
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fi
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fi
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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. /etc/default/cis-hardening
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fi
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if [ -z "$CIS_ROOT_DIR" ]; then
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echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
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echo "Cannot source CIS_ROOT_DIR variable, aborting."
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exit 128
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fi
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# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
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if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
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. $CIS_ROOT_DIR/lib/main.sh
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else
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echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
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exit 128
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fi
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