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IMP: add multiple Improvements

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* add new kernel module detection (enable & listing)  with detection of monolithic kernel
* change way to detect if file system type is disabled
* add global IS_CONTAINER variable
* disable test for 3.4.x to be consistent with others
* add cli options to override configuration loglevel
This commit is contained in:
jeremydenoun
2021-02-04 16:21:49 +01:00
committed by GitHub
parent ec9e2addc2
commit 0b6ea0d97e
22 changed files with 362 additions and 165 deletions
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26
bin/hardening/3.4.3_disable_rds.sh
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@ -24,21 +24,31 @@ MODULE_NAME="rds"
# This function will be called if the script status is on enabled / audit mode
audit() {
is_kernel_option_enabled "$KERNEL_OPTION" "$MODULE_NAME"
if [ "$FNRET" = 0 ]; then # 0 means true in bash, so it IS activated
crit "$KERNEL_OPTION is enabled!"
if [ "$IS_CONTAINER" -eq 1 ]; then
# In an unprivileged container, the kernel modules are host dependent, so you should consider enforcing it
ok "Container detected, consider host enforcing or disable this check!"
else
ok "$KERNEL_OPTION is disabled"
is_kernel_option_enabled "$KERNEL_OPTION" "$MODULE_NAME"
if [ "$FNRET" = 0 ]; then # 0 means true in bash, so it IS activated
crit "$MODULE_NAME is enabled!"
else
ok "$MODULE_NAME is disabled"
fi
fi
}
# This function will be called if the script status is on enabled mode
apply() {
is_kernel_option_enabled "$KERNEL_OPTION"
if [ "$FNRET" = 0 ]; then # 0 means true in bash, so it IS activated
warn "I cannot fix $KERNEL_OPTION enabled, recompile your kernel please"
if [ "$IS_CONTAINER" -eq 1 ]; then
# In an unprivileged container, the kernel modules are host dependent, so you should consider enforcing it
ok "Container detected, consider host enforcing!"
else
ok "$KERNEL_OPTION is disabled, nothing to do"
is_kernel_option_enabled "$KERNEL_OPTION" "$MODULE_NAME"
if [ "$FNRET" = 0 ]; then # 0 means true in bash, so it IS activated
warn "I cannot fix $MODULE_NAME, recompile your kernel or blacklist module $MODULE_NAME (/etc/modprobe.d/blacklist.conf : +install $MODULE_NAME /bin/true)"
else
ok "$MODULE_NAME is disabled"
fi
fi
}