a

2026-05-11 09:15:08 +02:00
parent 9bec2b9e42
commit 404ee3fec4
641 changed files with 416825 additions and 0 deletions
@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+l_output="" l_output2="" l_output3="" l_dl="" # Unset output variables
+l_mname="freevxfs"                            # set module name
+l_mtype="fs"                                  # set module type
+l_searchloc="/lib/modprobe.d/*.conf /usr/local/lib/modprobe.d/*.conf /run/modprobe.d/*.conf /etc/modprobe.d/*.conf"
+#replaced in original script to avoid globstar operator
+l_mpath=$(find /lib/modules/ -type d -name $l_mtype)
+l_mpname="$(tr '-' '_' <<<"$l_mname")"
+l_mndir="$(tr '-' '/' <<<"$l_mname")"
+module_loadable_chk() {
+	# Check if the module is currently loadable
+	l_loadable="$(modprobe -n -v "$l_mname")"
+	[ "$(wc -l <<<"$l_loadable")" -gt "1" ] && l_loadable="$(grep -P -- "(^\h*install|\b$l_mname)\b" <<<"$l_loadable")"
+	if grep -Pq -- '^\h*install \/bin\/(true|false)' <<<"$l_loadable"; then
+		l_output="$l_output\n - module: \"$l_mname\" is not loadable: \"$l_loadable\""
+	else
+		l_output2="$l_output2\n - module: \"$l_mname\" is loadable: \"$l_loadable\""
+	fi
+}
+module_loaded_chk() {
+	# Check if the module is currently loaded
+	if ! lsmod | grep "$l_mname" >/dev/null 2>&1; then
+		l_output="$l_output\n - module: \"$l_mname\" is not loaded"
+	else
+		l_output2="$l_output2\n - module: \"$l_mname\" is loaded"
+	fi
+}
+module_deny_chk() {
+	# Check if the module is deny listed
+	l_dl="y"
+	if modprobe --showconfig | grep -Pq -- '^\h*blacklist\h+'"$l_mpname"'\b'; then
+		l_output="$l_output\n - module: \"$l_mname\" is deny listed in: \"$(grep -Pls -- "^\h*blacklist\h+$l_mname\b" $l_searchloc)\""
+	else
+		l_output2="$l_output2\n - module: \"$l_mname\" is not deny listed"
+	fi
+}
+# Check if the module exists on the system
+for l_mdir in $l_mpath; do
+	if [ -d "$l_mdir/$l_mndir" ] && [ -n "$(ls -A $l_mdir/$l_mndir)" ]; then
+		l_output3="$l_output3\n - \"$l_mdir\""
+		[ "$l_dl" != "y" ] && module_deny_chk
+		if [ "$l_mdir" = "/lib/modules/$(uname -r)/kernel/$l_mtype" ]; then
+			module_loadable_chk
+			module_loaded_chk
+		fi
+	else
+		l_output="$l_output\n - module: \"$l_mname\" doesn't exist in \"$l_mdir\""
+	fi
+done
+# Report results. If no failures output in l_output2, we pass
+[ -n "$l_output3" ] && echo -e "\n\n -- INFO --\n - module: \"$l_mname\" exists in:$l_output3"
+if [ -z "$l_output2" ]; then
+	echo -e "\n- Audit Result:\n ** PASS **\n$l_output\n"
+	exit 0
+else
+	echo -e "\n- Audit Result:\n ** FAIL **\n - Reason(s) for audit failure:\n$l_output2\n"
+	[ -n "$l_output" ] && echo -e "\n- Correctly set:\n$l_output\n"
+	exit 1
+fi