From 2ba6eec1fa50cacaff647525358fd93c7c862a27 Mon Sep 17 00:00:00 2001
From: akr <akr@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Sat, 28 Feb 2009 09:29:26 +0000
Subject: * ext/socket/ancdata.c (ancillary_unix_rights): check message type.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@22676 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ext/socket/ancdata.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'ext')

diff --git a/ext/socket/ancdata.c b/ext/socket/ancdata.c
index 204f745314..9d1ab95c1f 100644
--- a/ext/socket/ancdata.c
+++ b/ext/socket/ancdata.c
@@ -254,6 +254,14 @@ static VALUE
 ancillary_unix_rights(VALUE self)
 {
 #ifdef SCM_RIGHTS
+    int level, type;
+
+    level = ancillary_level(self);
+    type = ancillary_type(self);
+
+    if (level != SOL_SOCKET || type != SCM_RIGHTS)
+        rb_raise(rb_eTypeError, "SCM_RIGHTS ancillary data expected");
+
     VALUE v = rb_attr_get(self, rb_intern("unix_rights"));
     return v;
 #else
-- 
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