From 786443f9f4b28c80e501b1a6cf62e28383f65ebe Mon Sep 17 00:00:00 2001
From: halbeno <blahone.zero@gmail.com>
Date: Tue, 22 May 2018 17:03:27 -0600
Subject: [PATCH] Check input string length before reading third byte (for
 input strings of '\n' and '/\n')

---
 ii.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/ii.c b/ii.c
index fc02d7f..ad59064 100644
--- a/ii.c
+++ b/ii.c
@@ -463,9 +463,11 @@ proc_channels_input(int ircfd, Channel *c, char *buf)
 		proc_channels_privmsg(ircfd, c, buf);
 		return;
 	}
+	buflen = strlen(buf);
+	if (buflen < 2)
+		return;
 	msg[0] = '\0';
 	if (buf[2] == ' ' || buf[2] == '\0') {
-		buflen = strlen(buf);
 		switch (buf[1]) {
 		case 'j': /* join */
 			if ((p = strchr(&buf[3], ' '))) /* password parameter */
-- 
2.17.0