Merge branch 'sendxmpp-compatibility' into 'master'

Sendxmpp compatibility

See merge request mdosch-guest/go-sendxmpp!2

go-sendxmpp.go

@@ -78,11 +78,12 @@ func parseConfig(configPath string) (configuration, error) {
 		return output, err
 	}
 
-	// Check for file permissions. Must be 600.
+	// Check for file permissions. Must be 600 or 400.
 	perm := info.Mode().Perm()
-	if strconv.FormatInt(int64(perm), 8) != "600" {
+	permissions := strconv.FormatInt(int64(perm), 8)
+	if permissions != "600" && permissions != "400" {
 		return output, errors.New("Wrong permissions for " + configPath + ": " +
-			strconv.FormatInt(int64(perm), 8) + " instead of 600.")
+			permissions + " instead of 600.")
 	}
 
 	// Open config file.