From 956ec310e8a83db8ef89e27578a4470de980fc8d Mon Sep 17 00:00:00 2001
From: Henrik Olsson <henrik@fixme.se>
Date: Sun, 6 Jul 2014 13:36:07 +0200
Subject: [PATCH] Prevent crash in passwordgood when supplied password is one
 character long

---
 dgamelaunch.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/dgamelaunch.c b/dgamelaunch.c
index fbf6ef5..d6f3ee6 100644
--- a/dgamelaunch.c
+++ b/dgamelaunch.c
@@ -2051,9 +2051,13 @@ newuser ()
 int
 passwordgood (char *cpw)
 {
+  char *crypted;
   assert (me != NULL);
 
-  if (!strncmp (crypt (cpw, cpw), me->password, DGL_PASSWDLEN))
+  crypted = crypt (cpw, cpw);
+  if (crypted == NULL)
+      return 0;
+  if (!strncmp (crypted, me->password, DGL_PASSWDLEN))
     return 1;
   if (!strncmp (cpw, me->password, DGL_PASSWDLEN))
     return 1;