From 40a06771ff2a22f3801dfe174ca318cf4f67c1b1 Mon Sep 17 00:00:00 2001
From: Mike Macgirvin <mike@macgirvin.com>
Date: Thu, 5 Aug 2010 02:57:03 -0700
Subject: reciprocal verification on notify, poll

---
 mod/dfrn_notify.php | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'mod/dfrn_notify.php')

diff --git a/mod/dfrn_notify.php b/mod/dfrn_notify.php
index 38756f724..5655977e5 100644
--- a/mod/dfrn_notify.php
+++ b/mod/dfrn_notify.php
@@ -253,7 +253,14 @@ function dfrn_notify_content(&$a) {
 
 		openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']);
 		$challenge = bin2hex($challenge);
-		echo '<?xml version="1.0" encoding="UTF-8"?><dfrn_notify><status>' .$status . '</status><dfrn_id>' . $_GET['dfrn_id'] . '</dfrn_id>'
+
+		$encrypted_id = '';
+		$id_str = $_GET['dfrn_id'] . '.' . mt_rand(1000,9999);
+
+		openssl_private_encrypt($id_str,$encrypted_id,$r[0]['prvkey']);
+		$encrypted_id = bin2hex($encrypted_id);
+
+		echo '<?xml version="1.0" encoding="UTF-8"?><dfrn_notify><status>' .$status . '</status><dfrn_id>' . $encrypted_id . '</dfrn_id>'
 			. '<challenge>' . $challenge . '</challenge></dfrn_notify>' . "\r\n" ;
 		session_write_close();
 		exit;
-- 
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