Import openssl-2.2.0 (#2693)

Import the master branch of ruby/openssl for preparing to release openssl-2.2.0

1 files changed, 40 insertions, 2 deletions

diff --git a/ext/openssl/lib/openssl/ssl.rb b/ext/openssl/lib/openssl/ssl.rb
index 355eb2ebbb..8554ada0bb 100644
--- a/ext/openssl/lib/openssl/ssl.rb
+++ b/ext/openssl/lib/openssl/ssl.rb
@@ -1,4 +1,4 @@
-# frozen_string_literal: false
+# frozen_string_literal: true
 =begin
 = Info
   'OpenSSL for Ruby 2' project
@@ -13,6 +13,7 @@
 require "openssl/buffering"
 require "io/nonblock"
 require "ipaddr"
+require "socket"
 
 module OpenSSL
   module SSL
@@ -231,6 +232,11 @@ YoaOffgTf5qxiwkjnlVZQc3whgnEt9FpVMvQ9eknyeGB5KHfayAc3+hUAvI3/Cr3
     end
 
     module SocketForwarder
+      # The file descriptor for the socket.
+      def fileno
+        to_io.fileno
+      end
+      
       def addr
         to_io.addr
       end
@@ -435,6 +441,38 @@ YoaOffgTf5qxiwkjnlVZQc3whgnEt9FpVMvQ9eknyeGB5KHfayAc3+hUAvI3/Cr3
       def session_get_cb
         @context.session_get_cb
       end
+
+      class << self
+
+        # call-seq:
+        #   open(remote_host, remote_port, local_host=nil, local_port=nil, context: nil)
+        #
+        # Creates a new instance of SSLSocket.
+        # _remote\_host_ and _remote\_port_ are used to open TCPSocket.
+        # If _local\_host_ and _local\_port_ are specified,
+        # then those parameters are used on the local end to establish the connection.
+        # If _context_ is provided,
+        # the SSL Sockets initial params will be taken from the context.
+        #
+        # === Examples
+        #
+        #   sock = OpenSSL::SSL::SSLSocket.open('localhost', 443)
+        #   sock.connect # Initiates a connection to localhost:443
+        #
+        # with SSLContext:
+        #
+        #   ctx = OpenSSL::SSL::SSLContext.new
+        #   sock = OpenSSL::SSL::SSLSocket.open('localhost', 443, context: ctx)
+        #   sock.connect # Initiates a connection to localhost:443 with SSLContext
+        def open(remote_host, remote_port, local_host=nil, local_port=nil, context: nil)
+          sock = ::TCPSocket.open(remote_host, remote_port, local_host, local_port)
+          if context.nil?
+            return OpenSSL::SSL::SSLSocket.new(sock)
+          else
+            return OpenSSL::SSL::SSLSocket.new(sock, context)
+          end
+        end
+      end
     end
 
     ##
@@ -465,7 +503,7 @@ YoaOffgTf5qxiwkjnlVZQc3whgnEt9FpVMvQ9eknyeGB5KHfayAc3+hUAvI3/Cr3
       end
 
       # See TCPServer#listen for details.
-      def listen(backlog=5)
+      def listen(backlog=Socket::SOMAXCONN)
         @svr.listen(backlog)
       end