Set correct permissions when downloading tool

The extraction of some tools failed because the parent folder of
some files wasn't created with useful permissions.

Here we correctly set the permission such as the folder has
exec and write permission for the current user

Author: matteosuppo

tools/download.go

@@ -423,7 +423,8 @@ func extractTarGz(body []byte, location string) (string, error) {
 		info := header.FileInfo()
 
 		// Create parent folder
-		if err = os.MkdirAll(filepath.Dir(path), info.Mode()); err != nil {
+		dirmode := info.Mode() | os.ModeDir | 0700
+		if err = os.MkdirAll(filepath.Dir(path), dirmode); err != nil {
 			return location, err
 		}
 
@@ -514,6 +515,12 @@ func extractBz2(body []byte, location string) (string, error) {
 		path := filepath.Join(location, strings.Replace(header.Name, basedir, "", -1))
 		info := header.FileInfo()
 
+		// Create parent folder
+		dirmode := info.Mode() | os.ModeDir | 0700
+		if err = os.MkdirAll(filepath.Dir(path), dirmode); err != nil {
+			return location, err
+		}
+
 		if info.IsDir() {
 			if err = os.MkdirAll(path, info.Mode()); err != nil {
 				return location, err