From a77ebe1ed76ca8e0b63e7fd5519f4bcc68f314c9 Mon Sep 17 00:00:00 2001
From: Ed Kellett <e@kellett.im>
Date: Sun, 18 Oct 2020 19:49:50 +0100
Subject: [PATCH] m_dline: don't fail on /dline <time>

---
 modules/m_dline.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/modules/m_dline.c b/modules/m_dline.c
index a0d9da33..381f8a39 100644
--- a/modules/m_dline.c
+++ b/modules/m_dline.c
@@ -78,7 +78,6 @@ mo_dline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source
 	char def[] = "No Reason";
 	const char *dlhost;
 	char *reason = def;
-	char cidr_form_host[HOSTLEN + 1];
 	int tdline_time = 0;
 	const char *target_server = NULL;
 	int loc = 1;
@@ -92,8 +91,13 @@ mo_dline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source
 	if((tdline_time = valid_temp_time(parv[loc])) >= 0)
 		loc++;
 
+	if (loc >= parc)
+	{
+		sendto_one_notice(source_p, ":Need an IP to D-Line");
+		return;
+	}
+
 	dlhost = parv[loc];
-	rb_strlcpy(cidr_form_host, dlhost, sizeof(cidr_form_host));
 	loc++;
 
 	/* would break the protocol */