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require "spec"
require "socket"
require "../../spec_helper"
require "../../socket/spec_helper"
require "../../../support/ssl"
# TODO: Windows networking in the interpreter requires #12495
{% if flag?(:interpreted) && flag?(:win32) %}
pending OpenSSL::SSL::Socket
{% skip_file %}
{% end %}
describe OpenSSL::SSL::Socket do
describe OpenSSL::SSL::Socket::Server do
it "auto accept client by default" do
TCPServer.open("127.0.0.1", 0) do |tcp_server|
server_context, client_context = ssl_context_pair
spawn do
OpenSSL::SSL::Socket::Client.open(TCPSocket.new(tcp_server.local_address.address, tcp_server.local_address.port), client_context, hostname: "example.com") do |socket|
socket.print "hello"
end
end
socket = tcp_server.accept
ssl_server = OpenSSL::SSL::Socket::Server.new(socket, server_context)
ssl_server.gets.should eq("hello")
ssl_server.close
end
end
it "doesn't accept client when specified" do
TCPServer.open("127.0.0.1", 0) do |tcp_server|
server_context, client_context = ssl_context_pair
spawn do
OpenSSL::SSL::Socket::Client.open(TCPSocket.new(tcp_server.local_address.address, tcp_server.local_address.port), client_context, hostname: "example.com") do |socket|
socket.print "hello"
end
end
socket = tcp_server.accept
ssl_server = OpenSSL::SSL::Socket::Server.new(socket, server_context, accept: false)
ssl_server.accept
ssl_server.gets.should eq("hello")
ssl_server.close
end
end
end
end
private alias Server = OpenSSL::SSL::Socket::Server
private alias Client = OpenSSL::SSL::Socket::Client
private def socket_test(server_tests, client_tests)
tcp_server = TCPServer.new("127.0.0.1", 0)
server_context, client_context = ssl_context_pair
OpenSSL::SSL::Server.open(tcp_server, server_context) do |server|
spawn do
Client.open(TCPSocket.new(tcp_server.local_address.address, tcp_server.local_address.port), client_context, hostname: "example.com") do |socket|
client_tests.call(socket)
end
end
client = server.accept
server_tests.call(client)
client.close
end
end
describe OpenSSL::SSL::Socket do
it "returns the cipher that is currently in use" do
socket_test(
server_tests: ->(client : Server) {
client.cipher.should_not be_empty
},
client_tests: ->(client : Client) {}
)
end
it "returns the TLS version" do
socket_test(
server_tests: ->(client : Server) {
client.tls_version.should contain "TLS"
},
client_tests: ->(client : Client) {}
)
end
it "returns the peer certificate" do
socket_test(
server_tests: ->(client : Server) {
client.peer_certificate.should be_nil
},
client_tests: ->(client : Client) {
client.peer_certificate.should_not be_nil
}
)
end
it "returns selected alpn protocol" do
tcp_server = TCPServer.new("127.0.0.1", 0)
server_context, client_context = ssl_context_pair
server_context.alpn_protocol = "h2"
client_context.alpn_protocol = "h2"
OpenSSL::SSL::Server.open(tcp_server, server_context) do |server|
spawn do
Client.open(TCPSocket.new(tcp_server.local_address.address, tcp_server.local_address.port), client_context, hostname: "example.com") do |socket|
socket.alpn_protocol.should eq("h2")
end
end
client = server.accept
client.alpn_protocol.should eq("h2")
client.close
end
end
it "accepts clients that only write then close the connection" do
tcp_server = TCPServer.new("127.0.0.1", 0)
server_context, client_context = ssl_context_pair
# in tls 1.3, if clients don't read anything and close the connection
# the server still try and write to it a ticket, resulting in a "pipe failure"
# this context method disables the tickets which allows the behavior:
server_context.disable_session_resume_tickets
OpenSSL::SSL::Server.open(tcp_server, server_context) do |server|
spawn do
# the :sync_close aspect, as implemented in crystal, effects a unidirectional socket close from the client
OpenSSL::SSL::Socket::Client.open(TCPSocket.new(tcp_server.local_address.address, tcp_server.local_address.port), client_context, hostname: "example.com", sync_close: true) do |socket|
# doesn't read anything, just write and close connection immediately
socket.puts "hello"
end
end
client = server.accept # shouldn't raise "Broken pipe (Errno)"
client.close
end
end
it "closes connection to server that doesn't properly terminate SSL session" do
tcp_server = TCPServer.new("127.0.0.1", 0)
server_context, client_context = ssl_context_pair
server_context.disable_session_resume_tickets # avoid Broken pipe
client_successfully_closed_socket = Channel(Nil).new
spawn do
OpenSSL::SSL::Server.open(tcp_server, server_context, sync_close: true) do |server|
server_client = server.accept
# require client to close the socket from its side, without the server closing it, IIS behave this way.
client_successfully_closed_socket.receive
server_client.close
end
end
socket = TCPSocket.new(tcp_server.local_address.address, tcp_server.local_address.port)
socket = OpenSSL::SSL::Socket::Client.new(socket, client_context, hostname: "example.com", sync_close: true)
socket.close
client_successfully_closed_socket.send(nil)
end
it "interprets graceful EOF of underlying socket as SSL termination" do
tcp_server = TCPServer.new("127.0.0.1", 0)
server_context, client_context = ssl_context_pair
server_context.disable_session_resume_tickets # avoid Broken pipe
server_finished_reading = Channel(String | Exception).new
spawn do
OpenSSL::SSL::Server.open(tcp_server, server_context, sync_close: true) do |server|
server_socket = server.accept
received = server_socket.gets_to_end # interprets underlying socket close as a graceful EOF
server_finished_reading.send(received)
end
rescue exc
server_finished_reading.send exc
end
socket = TCPSocket.new(tcp_server.local_address.address, tcp_server.local_address.port)
socket_ssl = OpenSSL::SSL::Socket::Client.new(socket, client_context, hostname: "example.com", sync_close: true)
socket_ssl.print "hello"
socket_ssl.flush # needed today see #5375
socket.close # close underlying socket without gracefully shutting down SSL at all
server_received = server_finished_reading.receive
if server_received.is_a?(Exception)
raise server_received
end
server_received.should eq("hello")
end
end
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