91 lines
2.8 KiB
Bash
Executable File
91 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# harbian-audit for Debian GNU/Linux 9 Hardening
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#
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#
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# 2.28 Set noexec option for nfs/nfs4 filesystem/Partition (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=2
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# Quick factoring as many script use the same logic
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PARTITION_TYPE="nfs"
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OPTION="noexec"
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FSTAB='/etc/fstab'
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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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info "Verifying that $PARTITION_TYPE is a filesystem/partition"
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is_mounted "$PARTITION_TYPE"
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if [ $FNRET -gt 0 ]; then
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no_entity " There is no mount directory with file system type $PARTITION_TYPE"
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FNRET=2
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else
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ok "$PARTITION_TYPE is a partition"
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has_mount_option $PARTITION_TYPE $OPTION
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if [ $FNRET -gt 0 ]; then
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crit "$PARTITION_TYPE has no option $OPTION in fstab!"
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FNRET=1
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else
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ok "$PARTITION_TYPE has $OPTION in fstab"
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has_mounted_option $PARTITION_TYPE $OPTION
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if [ $FNRET -gt 0 ]; then
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warn "$PARTITION_TYPE is not mounted with $OPTION at runtime"
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FNRET=3
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else
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ok "$PARTITION_TYPE mounted with $OPTION"
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fi
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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 [ $FNRET = 0 ]; then
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ok "$PARTITION_TYPE is correctly set"
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elif [ $FNRET = 2 ]; then
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no_entity " There is no mount directory with file system type $PARTITION_TYPE"
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elif [ $FNRET = 1 ]; then
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info "Adding $OPTION to fstab"
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for PARTITION in $(grep $PARTITION_TYPE $FSTAB | grep -v $OPTION | awk '{print $2}')
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do
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add_option_to_fstab $PARTITION $OPTION
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info "Remounting $PARTITION from fstab"
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remount_partition $PARTITION
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done
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elif [ $FNRET = 3 ]; then
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info "Remounting $PARTITION_TYPE from fstab"
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remount_partition $PARTITION_TYPE
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fi
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}
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# This function will check config parameters required
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check_config() {
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# No param for this script
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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. /etc/default/cis-hardening
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fi
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if [ -z "$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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