From 625de6979e28269bf27b9d35f4e2bb030ad2920a Mon Sep 17 00:00:00 2001
From: June McEnroe <june@causal.agency>
Date: Tue, 7 Feb 2023 11:17:48 -0500
Subject: Set msg.cmd to NULL if it is empty string

This fixes allowing empty lines from clients during registration.
---
 bounce.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/bounce.h b/bounce.h
index 93a3c89..a197053 100644
--- a/bounce.h
+++ b/bounce.h
@@ -72,6 +72,7 @@ static inline struct Message parse(char *line) {
 	if (line && line[0] == '@') msg.tags = 1 + strsep(&line, " ");
 	if (line && line[0] == ':') msg.origin = 1 + strsep(&line, " ");
 	msg.cmd = strsep(&line, " ");
+	if (msg.cmd && !msg.cmd[0]) msg.cmd = NULL;
 	for (size_t i = 0; line && i < ParamCap; ++i) {
 		if (line[0] == ':') {
 			msg.params[i] = &line[1];
-- 
cgit 1.4.1