From 7e2759410f1349c88b7868b398acf1dcdaf22f12 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E3=81=97=E3=81=9A=E3=81=88?=
 <66309775+kuredoro@users.noreply.github.com>
Date: Sat, 16 Oct 2021 20:03:35 +0300
Subject: [PATCH] Provided via cli executable is checked for being a directory.

---
 cmd/cptest/main.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/cmd/cptest/main.go b/cmd/cptest/main.go
index 0028268..264e790 100644
--- a/cmd/cptest/main.go
+++ b/cmd/cptest/main.go
@@ -163,6 +163,17 @@ func main() {
 		return
 	}
 
+    execStat, err := os.Stat(execPath)
+    if err != nil {
+        fmt.Printf("error: read executable's properties: %v\n", err)
+        return
+    }
+
+    if execStat.IsDir() {
+        fmt.Printf("error: provided executable %s is a directory\n", args.Executable)
+        return
+    }
+
 	proc := &Executable{
 		Path: execPath,
 		Args: args.Args,