From 40a9472eeae0d00f6fb33b5339abc2fc21db0368 Mon Sep 17 00:00:00 2001
From: Maximiliano Curia <maxy@gnuservers.com.ar>
Date: Sat, 2 Jul 2022 12:33:53 +0200
Subject: [PATCH 1/2] Look for sign-file regardless

Fix #229
---
 dkms.in | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/dkms.in b/dkms.in
index ba312c3..d47c343 100644
--- a/dkms.in
+++ b/dkms.in
@@ -866,11 +866,12 @@ prepare_signing()
             ubuntu* )
                 sign_file="/usr/src/linux-headers-$kernelver/scripts/sign-file"
                 ;;
-            fedora* | rhel* | ovm*)
-                sign_file="/lib/modules/$kernelver/build/scripts/sign-file"
-                ;;
             * )
-                echo "Binary sign-file not found, module won't be signed"
+                if [ -f "/lib/modules/$kernelver/build/scripts/sign-file" ]; then
+                    sign_file="/lib/modules/$kernelver/build/scripts/sign-file"
+                else
+                    echo "Binary sign-file not found, module won't be signed"
+                fi
                 ;;
         esac
     fi
@@ -912,6 +913,11 @@ prepare_signing()
             ;;
         *)
 
+            if [ ! "${sign_file}" ]; then
+                do_signing=0
+                return
+            fi
+
             if [ ! -f $mok_signing_key ] || [ ! -f $mok_certificate ]; then
                 echo "Certificate or key are missing, generating self signed certificate for MOK..."
                 openssl req -new -x509 -nodes -days 36500 -subj "/CN=DKMS module signing key" \

From 34bd2326082e44d2cbb6a81a363d4c676540bc72 Mon Sep 17 00:00:00 2001
From: Maximiliano Curia <maxy@gnuservers.com.ar>
Date: Sun, 3 Jul 2022 23:26:43 +0200
Subject: [PATCH 2/2] Delay the file existance check

Use bash internal test to avoid a fork, and replace the string check for
a executable check.

We also don't need to set do_signing to 0
---
 dkms.in | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/dkms.in b/dkms.in
index d47c343..be2f717 100644
--- a/dkms.in
+++ b/dkms.in
@@ -867,11 +867,7 @@ prepare_signing()
                 sign_file="/usr/src/linux-headers-$kernelver/scripts/sign-file"
                 ;;
             * )
-                if [ -f "/lib/modules/$kernelver/build/scripts/sign-file" ]; then
-                    sign_file="/lib/modules/$kernelver/build/scripts/sign-file"
-                else
-                    echo "Binary sign-file not found, module won't be signed"
-                fi
+                sign_file="/lib/modules/$kernelver/build/scripts/sign-file"
                 ;;
         esac
     fi
@@ -913,8 +909,8 @@ prepare_signing()
             ;;
         *)
 
-            if [ ! "${sign_file}" ]; then
-                do_signing=0
+            if [[ ! -f "${sign_file}" || ! -x "${sign_file}" ]]; then
+                echo "Binary sign-file not found, module won't be signed"
                 return
             fi