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85 lines
2.3 KiB
Bash
Executable File
85 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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# run-shellcheck
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#
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# CIS Debian Hardening
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#
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#
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# 1.4.2 Ensure filesysteme integrity is regularly checked (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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# shellcheck disable=2034
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HARDENING_LEVEL=4
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# shellcheck disable=2034
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DESCRIPTION="Implemet periodic execution of file integrity."
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# Note : in CIS, AIDE has been chosen, however we chose tripwire
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FILES="/etc/crontab"
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DIRECTORY="/etc/cron.d"
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PATTERN='tripwire --check'
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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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FILES="$FILES $($SUDO_CMD find $DIRECTORY -type f)"
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FOUND=0
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for FILE in $FILES; do
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does_pattern_exist_in_file "$FILE" "$PATTERN"
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if [ "$FNRET" = 0 ]; then
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FOUND=1
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fi
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done
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if [ $FOUND = 1 ]; then
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ok "$PATTERN is present in $FILES"
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else
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crit "$PATTERN is not present in $FILES"
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fi
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}
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# This function will be called if the script status is on enabled mode
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apply() {
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FILES="$FILES $($SUDO_CMD find $DIRECTORY -type f)"
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FOUND=0
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for FILE in $FILES; do
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does_pattern_exist_in_file "$FILE" "$PATTERN"
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if [ "$FNRET" = 0 ]; then
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FOUND=1
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fi
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done
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if [ "$FOUND" != 1 ]; then
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warn "$PATTERN is not present in $FILES, setting tripwire cron"
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echo "0 10 * * * root /usr/sbin/tripwire --check > /dev/shm/tripwire_check 2>&1 " >/etc/cron.d/CIS_8.3.2_tripwire
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else
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ok "$PATTERN is present in $FILES"
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fi
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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# shellcheck source=../../debian/default
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. /etc/default/cis-hardening
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fi
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if [ -z "$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 "$CIS_ROOT_DIR"/lib/main.sh ]; then
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# shellcheck source=../../lib/main.sh
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. "$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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