Merge branch 'develop'

Conflicts:
	CMakeLists.txt
	Doxyfile
	changelog.md
	readme.md
	websocketpp/version.hpp

Author: Peter Thorson

.travis.yml

@@ -2,7 +2,7 @@ language: cpp
 compiler:
   - gcc
 before_install:
- - sudo apt-get install libboost-regex1.48-dev libboost-system1.48-dev libboost-thread1.48-dev libboost-test1.48-dev libboost-random1.48-dev -y
+ - sudo apt-get install libboost-chrono1.48-dev libboost-regex1.48-dev libboost-system1.48-dev libboost-thread1.48-dev libboost-test1.48-dev libboost-random1.48-dev -y
 env:
   global:
     - BOOST_INCLUDES=/usr/include

CMakeLists.txt

@@ -9,8 +9,8 @@ project (websocketpp)
 cmake_minimum_required (VERSION 2.6)
 
 set (WEBSOCKETPP_MAJOR_VERSION 0)
-set (WEBSOCKETPP_MINOR_VERSION 5)
-set (WEBSOCKETPP_PATCH_VERSION 1)
+set (WEBSOCKETPP_MINOR_VERSION 6)
+set (WEBSOCKETPP_PATCH_VERSION 0)
 set (WEBSOCKETPP_VERSION ${WEBSOCKETPP_MAJOR_VERSION}.${WEBSOCKETPP_MINOR_VERSION}.${WEBSOCKETPP_PATCH_VERSION})
 
 set(INSTALL_INCLUDE_DIR include CACHE PATH "Installation directory for header files")
@@ -70,7 +70,7 @@ if (BUILD_TESTS OR BUILD_EXAMPLES)
     ############ Compiler specific setup
 
     set (WEBSOCKETPP_PLATFORM_LIBS "")
-    set (WEBSOCKETPP_PLATFORM_TSL_LIBS "")
+    set (WEBSOCKETPP_PLATFORM_TLS_LIBS "")
     set (WEBSOCKETPP_BOOST_LIBS "")
 
     # VC9 and C++11 reasoning
@@ -111,7 +111,7 @@ if (BUILD_TESTS OR BUILD_EXAMPLES)
     # g++
     if (CMAKE_COMPILER_IS_GNUCXX)
         set (WEBSOCKETPP_PLATFORM_LIBS pthread rt)
-        set (WEBSOCKETPP_PLATFORM_TSL_LIBS ssl crypto)
+        set (WEBSOCKETPP_PLATFORM_TLS_LIBS ssl crypto)
         set (WEBSOCKETPP_BOOST_LIBS system thread)
         set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
         if (NOT APPLE)
@@ -133,7 +133,7 @@ if (BUILD_TESTS OR BUILD_EXAMPLES)
         else()
             set (WEBSOCKETPP_PLATFORM_LIBS pthread)
         endif()
-        set (WEBSOCKETPP_PLATFORM_TSL_LIBS ssl crypto)
+        set (WEBSOCKETPP_PLATFORM_TLS_LIBS ssl crypto)
         set (WEBSOCKETPP_BOOST_LIBS system thread)
         set (CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} "-std=c++0x -stdlib=libc++") # todo: is libc++ really needed here?
         if (NOT APPLE)

Doxyfile

@@ -32,9 +32,7 @@ PROJECT_NAME           = "websocketpp"
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-
-PROJECT_NUMBER         = "0.5.1"
-
+PROJECT_NUMBER         = "0.6.0"
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer

changelog.md

@@ -1,5 +1,50 @@
 HEAD
 
+0.6.0
+- MINOR BREAKING TRANSPORT POLICY CHANGE: Custom transport policies will now be
+  required to include a new method `void set_uri(uri_ptr u)`. An implementation
+  is not required. The stub transport policy includes an example stub method
+  that can be added to any existing custom transport policy to fulfill this
+  requirement. This does not affect anyone using the bundled transports or
+  configs.
+- MINOR BREAKING SOCKET POLICY CHANGE: Custom asio transport socket policies 
+  will now be required to include a new method `void set_uri(uri_ptr u)`. Like
+  with the transport layer, an implementation is not required. This does not 
+  affect anyone using the bundled socket policies.
+- MINOR BREAKING DEPENDENCY CHANGE: When using Boost versions greater than or 
+  equal to 1.49 in C++03 mode, `libboost-chrono` is needed now instead of 
+  `libboost-date_time`. Users with C++11 compilers or using Boost versions 1.48
+  and earlier are not affected. Note: This change affects the bundled unit test
+  suite.
+- Feature: WebSocket++ Asio transport policy can now be used with the standalone
+  version of Asio (1.8.0+) when a C++11 compiler and standard library are 
+  present. This means that it is possible now to use WebSocket++'s Asio
+  transport entirely without Boost. Thank you Robert Seiler for proof of concept
+  code that was used as a guide for this implementation. Fixes #324 
+- Feature: Adds a vectored/scatter-gather write handler to the iostream
+  transport.
+- Feature: Adds the ability to defer sending an HTTP response until sometime
+  after the `http_handler` is run. This allows processing of long running http
+  handlers to defer their response until it is ready without blocking the
+  network thread. references #425
+- Improvement: `echo_server_tls` has been update to demonstrate how to configure
+  it for Mozilla's recommended intermediate and modern TLS security profiles.
+- Improvement: `endpoint::set_timer` now uses a steady clock provided by 
+  `boost::chrono` or `std::chrono` where available instead of the non-monotonic
+  system clock. Thank you breyed for reporting. fixes #241
+- Improvement: Outgoing TLS connections to servers using the SNI extension to
+  choose a certificate will now work. Thank you moozzyk for reporting. 
+  Fixes #400
+- Improvement: Removes an unnecessary mutex lock in `get_con_from_hdl`.
+- Cleanup: Asio transport policy has been refactored to remove many Boost
+  dependencies. On C++03 compilers the `boost::noncopyable` dependency has been
+  removed and the `boost::date_time` dependency has been replaced with the newer
+  `boost::chrono` when possible. On C++11 compilers the `boost::aligned_storage`
+  and `boost::date_time` dependencies are gone, replaced with equivalent C++11
+  standard library features.
+- Bug: Fixes a potential dangling pointer and inconsistent error message
+  handling in `websocketpp::exception`. #432 Thank you Tom Swirly for the fix.
+
 0.5.1 - 2015-02-27
 - Bug: Fixes an issue where some frame data was counted against the max header
   size limit, resulting in connections that included a lot of frame data

examples/echo_server/echo_server.cpp

@@ -19,6 +19,13 @@ void on_message(server* s, websocketpp::connection_hdl hdl, message_ptr msg) {
               << " and message: " << msg->get_payload()
               << std::endl;
 
+    // check for a special command to instruct the server to stop listening so
+    // it can be cleanly exited.
+    if (msg->get_payload() == "stop-listening") {
+        s->stop_listening();
+        return;
+    }
+
     try {
         s->send(hdl, msg->get_payload(), msg->get_opcode());
     } catch (const websocketpp::lib::error_code& e) {

examples/echo_server_tls/dh.pem

@@ -0,0 +1,8 @@
+-----BEGIN DH PARAMETERS-----
+MIIBCAKCAQEAqxMGKZB8YNV8WQnbJWwwwmifc+PfVRtd1FN5v5aQSsf6dpjX3Zlh
+N1NmgecsQyg4u2EWe4Umta10QzCgYaxf6QdTCg7iprLzFNw7IvWYbQ6du12NMGDr
+hmwA6KQKwbTgPL6mSlSlcK2wTP2FzxDTNffFu10cB/6Fj4kdQjPG0c1Koz/z7OOq
+BuDElJLClS8rjp3z1xvrc7gX95dFa2KaKgOAYDkpe8tfHRhHfJeIVS/whH9hzx6r
+OBg+E5K9JyvayrUoKgPeptRKCqo8A4YevtMLpRxMup0nMUgAIv6+BGTwPAFpwgl/
+8UIVcvjh1v95PwGDM/Q8yvIBJznBYk/e2wIBAg==
+-----END DH PARAMETERS-----

examples/echo_server_tls/echo_server_tls.cpp

@@ -27,24 +27,66 @@ void on_message(server* s, websocketpp::connection_hdl hdl, message_ptr msg) {
     }
 }
 
+void on_http(server* s, websocketpp::connection_hdl hdl) {
+    server::connection_ptr con = s->get_con_from_hdl(hdl);
+    
+    con->set_body("Hello World!");
+    con->set_status(websocketpp::http::status_code::ok);
+}
+
 std::string get_password() {
     return "test";
 }
 
-context_ptr on_tls_init(websocketpp::connection_hdl hdl) {
+// See https://wiki.mozilla.org/Security/Server_Side_TLS for more details about
+// the TLS modes. The code below demonstrates how to implement both the modern
+enum tls_mode {
+    MOZILLA_INTERMEDIATE = 1,
+    MOZILLA_MODERN = 2
+};
+
+context_ptr on_tls_init(tls_mode mode, websocketpp::connection_hdl hdl) {
     std::cout << "on_tls_init called with hdl: " << hdl.lock().get() << std::endl;
-    context_ptr ctx = websocketpp::lib::make_shared<boost::asio::ssl::context>(boost::asio::ssl::context::tlsv1);
+    std::cout << "using TLS mode: " << (mode == MOZILLA_MODERN ? "Mozilla Modern" : "Mozilla Intermediate") << std::endl;
+    context_ptr ctx = websocketpp::lib::make_shared<boost::asio::ssl::context>(boost::asio::ssl::context::sslv23);
 
     try {
-        ctx->set_options(boost::asio::ssl::context::default_workarounds |
-                         boost::asio::ssl::context::no_sslv2 |
-                         boost::asio::ssl::context::no_sslv3 |
-                         boost::asio::ssl::context::single_dh_use);
+        if (mode == MOZILLA_MODERN) {
+            // Modern disables TLSv1
+            ctx->set_options(boost::asio::ssl::context::default_workarounds |
+                             boost::asio::ssl::context::no_sslv2 |
+                             boost::asio::ssl::context::no_sslv3 |
+                             boost::asio::ssl::context::no_tlsv1 |
+                             boost::asio::ssl::context::single_dh_use);
+        } else {
+            ctx->set_options(boost::asio::ssl::context::default_workarounds |
+                             boost::asio::ssl::context::no_sslv2 |
+                             boost::asio::ssl::context::no_sslv3 |
+                             boost::asio::ssl::context::single_dh_use);
+        }
         ctx->set_password_callback(bind(&get_password));
         ctx->use_certificate_chain_file("server.pem");
         ctx->use_private_key_file("server.pem", boost::asio::ssl::context::pem);
+        
+        // Example method of generating this file:
+        // `openssl dhparam -out dh.pem 2048`
+        // Mozilla Intermediate suggests 1024 as the minimum size to use
+        // Mozilla Modern suggests 2048 as the minimum size to use.
+        ctx->use_tmp_dh_file("dh.pem");
+        
+        std::string ciphers;
+        
+        if (mode == MOZILLA_MODERN) {
+            ciphers = "ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!3DES:!MD5:!PSK";
+        } else {
+            ciphers = "ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA";
+        }
+        
+        if (SSL_CTX_set_cipher_list(ctx->native_handle() , ciphers.c_str()) != 1) {
+            std::cout << "Error setting cipher list" << std::endl;
+        }
     } catch (std::exception& e) {
-        std::cout << e.what() << std::endl;
+        std::cout << "Exception: " << e.what() << std::endl;
     }
     return ctx;
 }
@@ -58,8 +100,8 @@ int main() {
 
     // Register our message handler
     echo_server.set_message_handler(bind(&on_message,&echo_server,::_1,::_2));
-    echo_server.set_tls_init_handler(bind(&on_tls_init,::_1));
-
+    echo_server.set_http_handler(bind(&on_http,&echo_server,::_1));
+    echo_server.set_tls_init_handler(bind(&on_tls_init,MOZILLA_INTERMEDIATE,::_1));
 
     // Listen on port 9002
     echo_server.listen(9002);

examples/echo_server_tls/server.pem

@@ -1,58 +1,55 @@
 -----BEGIN RSA PRIVATE KEY-----
-Proc-Type: 4,ENCRYPTED
-DEK-Info: DES-EDE3-CBC,A0ED66EF872A48A9
-
-gXuvKojXzApVhhPVNdRliiajbC4PtwQG5c8TA7JADLgwOR7o9t6KtXEr37bDRpvB
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+rCEL0S7kORdEjlIGd5j6ZEN/HZe8FyOYSjbFAoJSlAId9WMSxycQ
 -----END RSA PRIVATE KEY-----
 -----BEGIN CERTIFICATE-----
-MIIE0DCCA7igAwIBAgIJAM5MuKJezXq0MA0GCSqGSIb3DQEBBQUAMIGgMQswCQYD
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+ysHg04TJw7v682+v124GrnrAPYUK34OK8kFVJ60SNYRUi7euOCdTM4Lwkw==
 -----END CERTIFICATE-----
+

examples/telemetry_client/telemetry_client.cpp

@@ -30,9 +30,9 @@ class telemetry_client {
         // Bind the handlers we are using
         using websocketpp::lib::placeholders::_1;
         using websocketpp::lib::bind;
-        m_client.set_open_handler(bind(&telemetry_client::on_open,this,::_1));
-        m_client.set_close_handler(bind(&telemetry_client::on_close,this,::_1));
-        m_client.set_fail_handler(bind(&telemetry_client::on_fail,this,::_1));
+        m_client.set_open_handler(bind(&telemetry_client::on_open,this,_1));
+        m_client.set_close_handler(bind(&telemetry_client::on_close,this,_1));
+        m_client.set_fail_handler(bind(&telemetry_client::on_fail,this,_1));
     }
 
     // This method will block until the connection is complete

examples/telemetry_server/telemetry_server.cpp

@@ -46,9 +46,9 @@ class telemetry_server {
         // Bind the handlers we are using
         using websocketpp::lib::placeholders::_1;
         using websocketpp::lib::bind;
-        m_endpoint.set_open_handler(bind(&telemetry_server::on_open,this,::_1));
-        m_endpoint.set_close_handler(bind(&telemetry_server::on_close,this,::_1));
-        m_endpoint.set_http_handler(bind(&telemetry_server::on_http,this,::_1));
+        m_endpoint.set_open_handler(bind(&telemetry_server::on_open,this,_1));
+        m_endpoint.set_close_handler(bind(&telemetry_server::on_close,this,_1));
+        m_endpoint.set_http_handler(bind(&telemetry_server::on_http,this,_1));
     }
 
     void run(std::string docroot, uint16_t port) {