mirror of
https://github.com/ovh/debian-cis.git
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94 lines
2.7 KiB
Bash
Executable File
94 lines
2.7 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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# 1.1.16 Ensure nosuid Option set on /run/shm Partition (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=2
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# shellcheck disable=2034
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DESCRIPTION="/run/shm with nosuid option."
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# Quick factoring as many script use the same logic
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PARTITION="/run/shm"
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OPTION="nosuid"
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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 $PARTITION is a partition"
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PARTITION=$(readlink -e "$PARTITION")
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FNRET=0
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is_a_partition "$PARTITION"
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if [ "$FNRET" -gt 0 ]; then
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crit "$PARTITION is not a partition"
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FNRET=2
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else
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ok "$PARTITION is a partition"
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has_mount_option "$PARTITION" "$OPTION"
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if [ "$FNRET" -gt 0 ]; then
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crit "$PARTITION has no option $OPTION in fstab!"
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FNRET=1
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else
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ok "$PARTITION has $OPTION in fstab"
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has_mounted_option "$PARTITION" "$OPTION"
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if [ "$FNRET" -gt 0 ]; then
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warn "$PARTITION is not mounted with $OPTION at runtime"
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FNRET=3
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else
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ok "$PARTITION 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 "$PARTITION is correctly set"
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elif [ "$FNRET" = 2 ]; then
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crit "$PARTITION is not a partition, correct this by yourself, I cannot help you here"
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elif [ "$FNRET" = 1 ]; then
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info "Adding $OPTION to fstab"
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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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elif [ "$FNRET" = 3 ]; then
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info "Remounting $PARTITION from fstab"
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remount_partition "$PARTITION"
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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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# 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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