add SSLSocket.open

lib/openssl/ssl.rb

@@ -442,9 +442,25 @@ def session_get_cb
       end
 
       class << self
-        ##
-        # open is an alias to ::new
-        alias open new
+
+        # call-seq:
+        #   open(remote_host, remote_port, context=nil, local_host=nil, local_port=nil)
+        #
+        # Creates a new instance of SSLSocket.
+        # _remote\_host_ and _remote_port_ are used to open TCPSocket.
+        # If _context_ is provided,
+        # the SSL Sockets initial params will be taken from the context.
+        # If _local\_host_ and _local\_port_ are specified,
+        # then those parameters are used on the local end to establish the connection.
+        #
+        # === Example
+        #   ctx = OpenSSL::SSL::SSLContext.new
+        #   sock = OpenSSL::SSL::SSLSocket.open('localhost', 443, ctx)
+        #   sock.connect # Initiates a connection to localhost:443
+        def open(remote_host, remote_port, context=nil, local_host=nil, local_port=nil)
+          sock = ::TCPSocket.open(remote_host, remote_port, local_host, local_port)
+          OpenSSL::SSL::SSLSocket.new(sock, context)
+        end
       end
     end
 

test/test_ssl.rb

@@ -56,6 +56,21 @@ def test_ssl_with_server_cert
     }
   end
 
+  def test_ssl_socket_open
+    start_server { |port|
+      begin
+        ctx = OpenSSL::SSL::SSLContext.new
+        ssl = OpenSSL::SSL::SSLSocket.open("127.0.0.1", port, ctx)
+        ssl.sync_close = true
+        ssl.connect
+
+        ssl.puts "abc"; assert_equal "abc\n", ssl.gets
+      ensure
+        ssl&.close
+      end
+    }
+  end
+
   def test_add_certificate
     ctx_proc = -> ctx {
       # Unset values set by start_server
@@ -1592,17 +1607,6 @@ def test_fileno
     sock2.close
   end
 
-  def test_ssl_socket_new_alias
-    mn = OpenSSL::SSL::SSLSocket.method(:new)
-    mo = OpenSSL::SSL::SSLSocket.method(:open)
-
-    if mn.inspect == "#<Method: Class#new>"
-      assert_equal mn.hash, mo.hash
-    else
-      assert_equal mn, mo
-    end
-  end
-
   private
 
   def start_server_version(version, ctx_proc = nil,