From 51d8a8a4ac6ef6096c393fd602df34c6bf8f6366 Mon Sep 17 00:00:00 2001
From: Michael Krelin <hacker@klever.net>
Date: Mon, 06 Apr 2009 20:27:39 +0000
Subject: better nonce generation and session credentials verification

based on the patch from Chris Davies

Signed-off-by: Michael Krelin <hacker@klever.net>
---
(limited to 'src/eyetil.cc')

diff --git a/src/eyetil.cc b/src/eyetil.cc
index fe816a6..7669cb6 100644
--- a/src/eyetil.cc
+++ b/src/eyetil.cc
@@ -9,6 +9,11 @@
 #include <openssl/md5.h>
 #include "eyetil.h"
 
+#include "config.h"
+#ifdef HAVE_LIBUUID
+# include <uuid/uuid.h>
+#endif
+
 binary_t& binary_t::from_hex(const std::string& h) {
     std::string::size_type hs = h.length();
     if(hs&1)
@@ -32,6 +37,18 @@ binary_t& binary_t::from_data(const void *d,size_t s) {
     return *this;
 }
 
+binary_t& binary_t::make_nonce() {
+#ifdef HAVE_LIBUUID
+    uuid_t uuid;
+    uuid_generate(uuid);
+    from_data((unsigned char*)uuid,sizeof(uuid));
+#else
+    resize(16);
+    std::generate_n(begin(),16,rand);
+#endif /* HAVE_LIBUUID */
+    return *this;
+}
+
 std::string binary_t::hex() const {
     std::string rv;
     rv.reserve((size()<<1)+1);
--
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