From debd10b517f972131dd8e411532922efc51faa32 Mon Sep 17 00:00:00 2001
From: Alkorin <github@alkorin.fr>
Date: Mon, 8 Jan 2018 15:34:53 +0100
Subject: [PATCH] Detect if 'strings' is present

---
 spectre-meltdown-checker.sh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/spectre-meltdown-checker.sh b/spectre-meltdown-checker.sh
index 0662754..95f625c 100755
--- a/spectre-meltdown-checker.sh
+++ b/spectre-meltdown-checker.sh
@@ -280,8 +280,12 @@ if [ "$kpti_support" = 0 -a -n "$vmlinux" ]; then
 	# same as above but in case we don't have System.map and only vmlinux, look for the
 	# nopti option that is part of the patch (kernel command line option)
 	kpti_can_tell=1
-	if strings "$vmlinux" | grep -qw nopti; then
-		kpti_support=1
+	if ! which strings >/dev/null 2>&1; then
+		pstatus yellow UNKNOWN "missing 'strings' tool, please install it, usually it's in the binutils package"
+	else
+		if strings "$vmlinux" | grep -qw nopti; then
+			kpti_support=1
+		fi
 	fi
 fi