From 07c54674341ea5b9af9df03fa0678d14ebf4f6f9 Mon Sep 17 00:00:00 2001
From: nhmall <mjnh@persona.ca>
Date: Sat, 25 Apr 2015 10:51:07 -0400
Subject: [PATCH] checkfile protection from caller  Changes to be committed: 
 modified:   src/pager.c

---
 src/pager.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/pager.c b/src/pager.c
index 4033a1746..2e3d56e8e 100644
--- a/src/pager.c
+++ b/src/pager.c
@@ -310,6 +310,14 @@ checkfile(inp, pm, user_typed_name, without_asking)
 	return;
     }
 
+    /*
+     * If someone passed us garbage, prevent fault
+     *
+    if (!inp || (inp && strlen(inp) > (BUFSZ - 1))) {
+	pline("bad do_look buffer passed!");
+	return;
+    }
+
     /* To prevent the need for entries in data.base like *ngel to account
      * for Angel and angel, make the lookup string the same for both
      * user_typed_name and picked name.