From cce01a3bcfec33e7e56b9cdcd5024a8d70f25d8e Mon Sep 17 00:00:00 2001
From: Jeremy Cline <jcline@redhat.com>
Date: Wed, 4 Dec 2019 13:55:02 -0500
Subject: Sync up specfile, config generation, and patches

Signed-off-by: Jeremy Cline <jcline@redhat.com>
---
 mod-extra-blacklist.sh | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100755 mod-extra-blacklist.sh

(limited to 'mod-extra-blacklist.sh')

diff --git a/mod-extra-blacklist.sh b/mod-extra-blacklist.sh
new file mode 100755
index 000000000..9569ef6f2
--- /dev/null
+++ b/mod-extra-blacklist.sh
@@ -0,0 +1,48 @@
+#!/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
-- 
cgit