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https://github.com/ovh/debian-cis.git
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88 lines
2.7 KiB
Bash
88 lines
2.7 KiB
Bash
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#!/bin/bash
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#
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# CIS Debian 7 Hardening
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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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set -e # One error, it's over
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set -u # One variable unset, it's over
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FILE='/etc/default/grub'
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OPTIONS='GRUB_CMDLINE_LINUX="audit=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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else
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ok "$FILE exist, checking configuration"
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for GRUB_OPTION in $OPTIONS; do
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GRUB_PARAM=$(echo $GRUB_OPTION | cut -d= -f 1)
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GRUB_VALUE=$(echo $GRUB_OPTION | cut -d= -f 2,3)
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PATTERN="^$GRUB_PARAM=$GRUB_VALUE"
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debug "$GRUB_PARAM must have value $GRUB_VALUE"
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does_pattern_exists_in_file $FILE "$PATTERN"
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if [ $FNRET != 0 ]; then
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crit "$PATTERN not present in $FILE"
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else
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ok "$PATTERN present in $FILE"
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fi
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done
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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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does_file_exist $FILE
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if [ $FNRET != 0 ]; then
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warn "$FILE does not exist, creating it"
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touch $FILE
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else
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ok "$FILE exist"
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fi
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for GRUB_OPTION in $OPTIONS; do
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GRUB_PARAM=$(echo $GRUB_OPTION | cut -d= -f 1)
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GRUB_VALUE=$(echo $GRUB_OPTION | cut -d= -f 2,3)
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debug "$GRUB_PARAM must have value $GRUB_VALUE"
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PATTERN="^$GRUB_PARAM=$GRUB_VALUE"
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does_pattern_exists_in_file $FILE "$PATTERN"
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if [ $FNRET != 0 ]; then
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warn "$PATTERN not present in $FILE, adding it"
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does_pattern_exists_in_file $FILE "^$GRUB_PARAM"
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if [ $FNRET != 0 ]; then
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info "Parameter $GRUB_PARAM seems absent from $FILE, adding at the end"
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add_end_of_file $FILE "$GRUB_PARAM = $GRUB_VALUE"
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else
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info "Parameter $GRUB_PARAM is present but with the wrong value, correcting"
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replace_in_file $FILE "^$GRUB_PARAM=.*" "$GRUB_PARAM=$GRUB_VALUE"
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fi
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else
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ok "$PATTERN present in $FILE"
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fi
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done
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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-hardenning ]; then
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echo "There is no /etc/default/cis-hardenning file, cannot source CIS_ROOT_DIR variable, aborting"
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exit 128
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else
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. /etc/default/cis-hardenning
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if [ -z $CIS_ROOT_DIR ]; then
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echo "No CIS_ROOT_DIR variable, aborting"
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fi
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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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[ -r $CIS_ROOT_DIR/lib/main.sh ] && . $CIS_ROOT_DIR/lib/main.sh
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