root check is now more visible

Add support for Gentoo genkernel image path

spectre-meltdown-checker.sh

@@ -1,7 +1,7 @@
 #! /bin/sh
 # Spectre & Meltdown checker
 # Stephane Lesimple
-VERSION=0.10
+VERSION=0.11
 
 # print status function
 pstatus()
@@ -78,9 +78,18 @@ extract_vmlinux()
 
 # end of extract-vmlinux functions
 
-/bin/echo "Spectre and Meltdown mitigation detection tool v$VERSION"
+/bin/echo -e "\033[1;34mSpectre and Meltdown mitigation detection tool v$VERSION\033[0m"
 /bin/echo
 
+# root check
+
+if [ "$(id -u)" -ne 0 ]; then
+	/bin/echo -e "\033[31mNote that you should launch this script with root privileges to get accurate information."
+	/bin/echo -e "\033[31mWe'll proceed but you might see permission denied errors."
+	/bin/echo -e "\033[31mTo run it as root, you can try the following command: sudo $0"
+	/bin/echo
+fi
+
 ###########
 # SPECTRE 1
 /bin/echo -e "\033[1;34mCVE-2017-5753 [bounds check bypass] aka 'Spectre Variant 1'\033[0m"
@@ -89,10 +98,11 @@ extract_vmlinux()
 status=0
 img=''
 # try to find the image of the current running kernel
+[ -e /boot/vmlinuz-linux       ] && img=/boot/vmlinuz-linux
 [ -e /boot/vmlinuz-$(uname -r) ] && img=/boot/vmlinuz-$(uname -r)
-[ -e /boot/vmlinux-$(uname -r) ] && img=/boot/vmlinux-$(uname -r)
 [ -e /boot/kernel-$( uname -r) ] && img=/boot/kernel-$( uname -r)
 [ -e /boot/bzImage-$(uname -r) ] && img=/boot/bzImage-$(uname -r)
+[ -e /boot/kernel-genkernel-$(uname -m)-$(uname -r) ] && img=/boot/kernel-genkernel-$(uname -m)-$(uname -r)
 if [ -z "$img" ]; then
 	pstatus yellow UNKNOWN "couldn't find your kernel image in /boot, if you used netboot, this is normal"
 else
@@ -292,9 +302,5 @@ else
 fi
 
 /bin/echo
-if [ "$(id -u)" -ne 0 ]; then
-	/bin/echo "Note that you should launch this script with root privileges to get accurate information"
-	/bin/echo "You can try the following command: sudo $0"
-fi
 
 [ -n "$vmlinux" -a -f "$vmlinux" ] && rm -f "$vmlinux"