77 lines
2.1 KiB
Bash
Executable File
77 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# harbian-audit for Debian GNU/Linux 9/10 or CentOS Hardening
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#
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#
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# 8.1.1.4 Set failure mode of audit service (Scored)
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# Author : Samson wen, Samson <sccxboy@gmail.com>
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#
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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/audit/rules.d/audit.rules'
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PATTERN='failure'
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SETVALUE=2
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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 "$FILE exists, checking configuration"
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VALUE=$(auditctl -s | grep failure | awk '{print $2}')
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if [ $VALUE -ge 1 -a $VALUE -le 2 ]; then
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ok "$PATTERN value is ok in $FILE"
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FNRET=0
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else
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crit "$PATTERN value is incorrect 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 [ $FNRET = 0 ]; then
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ok "$PATTERN is present in $FILE"
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elif [ $FNRET = 1 ]; then
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warn "$FILE does not exist, creating it"
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touch $FILE
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LINENUM=$(grep '^[^#]' $FILE -n | awk -F: 'NR==1{print $1}')
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sed -i "${LINENUM}a -f $SETVALUE" $FILE
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elif [ $FNRET = 2 ]; then
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warn "$PATTERN value is incorrect in $FILE, reset it"
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replace_in_file $FILE "^-f[[:space:]]*.*" "-f $SETVALUE"
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fi
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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. /etc/default/cis-hardening
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fi
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if [ -z "$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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