From 568e1a297665a3070ae0539b1c3ef0d394bbc2cb Mon Sep 17 00:00:00 2001
From: Enno Rehling <enno.rehling@gmail.com>
Date: Thu, 14 Jan 2016 21:23:53 +0100
Subject: [PATCH] prevent null-pointer crash when reading f.password (TODO:
 write-only variables are dumb)

---
 src/bind_faction.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/bind_faction.c b/src/bind_faction.c
index eb535d50b..03a75281a 100644
--- a/src/bind_faction.c
+++ b/src/bind_faction.c
@@ -382,6 +382,12 @@ static int tolua_faction_create(lua_State * L)
     return 1;
 }
 
+static int tolua_faction_get_password(lua_State * L)
+{
+    unused_arg(L);
+    return 0;
+}
+
 static int tolua_faction_set_password(lua_State * L)
 {
     faction *self = (faction *)tolua_tousertype(L, 1, 0);
@@ -557,7 +563,7 @@ void tolua_faction_open(lua_State * L)
             tolua_variable(L, TOLUA_CAST "heroes", tolua_faction_get_heroes, NULL);
             tolua_variable(L, TOLUA_CAST "maxheroes", tolua_faction_get_maxheroes,
                 NULL);
-            tolua_variable(L, TOLUA_CAST "password", NULL,
+            tolua_variable(L, TOLUA_CAST "password", tolua_faction_get_password,
                 tolua_faction_set_password);
             tolua_variable(L, TOLUA_CAST "email", tolua_faction_get_email,
                 tolua_faction_set_email);