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85 lines
2.5 KiB
Bash
Executable File
85 lines
2.5 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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# 4.4 Ensure logrotate assigns approriate permissions (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=3
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# shellcheck disable=2034
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DESCRIPTION="Configure logrotate to assign appropriate permissions."
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FILE="/etc/logrotate.conf"
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PATTERN="^\s*create\s+\S+"
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PERMISSIONS=0640
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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_pattern_exist_in_file "$FILE" "$PATTERN"
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if [ "$FNRET" != 0 ]; then
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crit "Logrotate permissions are not configured"
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else
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if grep -E "$PATTERN" "$FILE" | grep -E -v "\s(0)?[0-6][04]0\s"; then
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crit "Logrotate permissions are not set to $PERMISSIONS"
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else
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ok "Logrotate permissions are well configured"
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fi
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fi
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}
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# This function will be called if the script status is on enabled mode
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apply() {
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does_pattern_exist_in_file "$FILE" "$PATTERN"
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if [ "$FNRET" != 0 ]; then
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warn "Logrotate permissions are not configured, fixing it"
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add_end_of_file "$FILE" "create $PERMISSIONS root utmp"
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else
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RESULT=$(grep -E "$PATTERN" "$FILE" | grep -E -v "\s(0)?[0-6][04]0\s")
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if [[ -n "$RESULT" ]]; then
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warn "Logrotate permissions are not set to $PERMISSIONS, fixing it"
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d_IFS=$IFS
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c_IFS=$'\n'
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IFS=$c_IFS
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for SOURCE in $RESULT; do
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replace_in_file "$FILE" "$SOURCE" "create $PERMISSIONS root utmp"
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done
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IFS=$d_IFS
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else
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ok "Logrotate permissions are well configured"
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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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# 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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