Display human readable SSL error codes

2015-02-24 12:33:59 -05:00
parent 9bbcbd546b
commit c489975015
4 changed files with 113 additions and 4 deletions
@@ -0,0 +1,59 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of Beast: https://github.com/vinniefalco/Beast
+    Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#include <beast/asio/error.h>
+#include <boost/lexical_cast.hpp>
+
+namespace beast {
+namespace asio {
+
+// This buffer must be at least 120 bytes, most examples use 256.
+// https://www.openssl.org/docs/crypto/ERR_error_string.html
+static std::uint32_t const errorBufferSize (256);
+
+std::string
+asio_message (boost::system::error_code const& ec)
+{
+    std::string error;
+
+    if (ec.category () == boost::asio::error::get_ssl_category ())
+    {
+        error = " ("
+            + boost::lexical_cast<std::string> (ERR_GET_LIB (ec.value ()))
+            + ","
+            + boost::lexical_cast<std::string> (ERR_GET_FUNC (ec.value ()))
+            + ","
+            + boost::lexical_cast<std::string> (ERR_GET_REASON (ec.value ()))
+            + ") ";
+        
+        // 
+        char buf[errorBufferSize];
+        ::ERR_error_string_n (ec.value (), buf, errorBufferSize);
+        error += buf;
+    }
+    else
+    {
+        error = ec.message ();
+    }
+
+    return error;
+}
+
+}
+}