1 files changed, 56 insertions, 0 deletions
diff --git a/SOURCES/mod-extra-blacklist.sh b/SOURCES/mod-extra-blacklist.sh
new file mode 100755
index 0000000..c4c4f8f
--- /dev/null
+++ b/SOURCES/mod-extra-blacklist.sh
@@ -0,0 +1,56 @@
+#!/bin/bash
+
+buildroot="$1"
+kernel_base="$2"
+
+blacklist()
+{
+	cat > "$buildroot/etc/modprobe.d/$1-blacklist.conf" <<-__EOF__
+	# This kernel module can be automatically loaded by non-root users. To
+	# enhance system security, the module is blacklisted by default to ensure
+	# system administrators make the module available for use as needed.
+	# See https://access.redhat.com/articles/3760101 for more details.
+	#
+	# Remove the blacklist by adding a comment # at the start of the line.
+	blacklist $1
+__EOF__
+}
+
+check_blacklist()
+{
+	if modinfo "$1" | grep -q '^alias:\s\+net-'; then
+		mod="${1##*/}"
+		mod="${mod%.ko*}"
+		echo "$mod has an alias that allows auto-loading. Blacklisting."
+		blacklist "$mod"
+	fi
+}
+
+foreachp()
+{
+	P=$(nproc)
+	bgcount=0
+	while read mod; do
+		$1 "$mod" &
+
+		bgcount=$((bgcount + 1))
+		if [ $bgcount -eq $P ]; then
+			wait -n
+			bgcount=$((bgcount - 1))
+		fi
+	done
+
+	wait
+}
+
+[ -d "$buildroot/etc/modprobe.d/" ] || mkdir -p "$buildroot/etc/modprobe.d/"
+find "$buildroot/$kernel_base/extra" -name "*.ko*" | \
+	foreachp check_blacklist
+
+# Many BIOS-es export a PNP-id which causes the floppy driver to autoload
+# even though most modern systems don't have a 3.5" floppy driver anymore
+# this replaces the old die_floppy_die.patch which removed the PNP-id from
+# the module
+if [ -f $buildroot/$kernel_base/extra/drivers/block/floppy.ko* ]; then
+	blacklist "floppy"
+fi