class OpenSSL::SSL::SSLSocket

The following attributes are available but don't show up in rdoc.

io, context, sync_close

Public Class Methods

new(io, ctx = nil) click to toggle source

# File ext/openssl/lib/openssl/ssl.rb, line 254
def initialize(io, ctx = nil); raise NotImplementedError; end

Public Instance Methods

accept → self click to toggle source

Waits for a SSL/TLS client to initiate a handshake. The handshake may be started after unencrypted data has been sent over the socket.

static VALUE
ossl_ssl_accept(VALUE self)
{
    ossl_ssl_setup(self);

    return ossl_start_ssl(self, SSL_accept, "SSL_accept", Qfalse);
}

accept_nonblock([options]) → self click to toggle source

Initiates the SSL/TLS handshake as a server in non-blocking manner.

# emulates blocking accept
begin
  ssl.accept_nonblock
rescue IO::WaitReadable
  IO.select([s2])
  retry
rescue IO::WaitWritable
  IO.select(nil, [s2])
  retry
end

By specifying `exception: false`, the options hash allows you to indicate that accept_nonblock should not raise an IO::WaitReadable or IO::WaitWritable exception, but return the symbol :wait_readable or :wait_writable instead.

static VALUE
ossl_ssl_accept_nonblock(int argc, VALUE *argv, VALUE self)
{
    VALUE opts;

    rb_scan_args(argc, argv, "0:", &opts);
    ossl_ssl_setup(self);

    return ossl_start_ssl(self, SSL_accept, "SSL_accept", opts);
}

alpn_protocol → String click to toggle source

Returns the ALPN protocol string that was finally selected by the client during the handshake.

static VALUE
ossl_ssl_alpn_protocol(VALUE self)
{
    SSL *ssl;
    const unsigned char *out;
    unsigned int outlen;

    ossl_ssl_data_get_struct(self, ssl);

    SSL_get0_alpn_selected(ssl, &out, &outlen);
    if (!outlen)
        return Qnil;
    else
        return rb_str_new((const char *) out, outlen);
}

cert → cert or nil click to toggle source

The X509 certificate for this socket endpoint.

static VALUE
ossl_ssl_get_cert(VALUE self)
{
    SSL *ssl;
    X509 *cert = NULL;

    ossl_ssl_data_get_struct(self, ssl);

    /*
     * Is this OpenSSL bug? Should add a ref?
     * TODO: Ask for.
     */
    cert = SSL_get_certificate(ssl); /* NO DUPs => DON'T FREE. */

    if (!cert) {
        return Qnil;
    }
    return ossl_x509_new(cert);
}

cipher → [name, version, bits, alg_bits] click to toggle source

The cipher being used for the current connection

static VALUE
ossl_ssl_get_cipher(VALUE self)
{
    SSL *ssl;
    SSL_CIPHER *cipher;

    ossl_ssl_data_get_struct(self, ssl);

    cipher = (SSL_CIPHER *)SSL_get_current_cipher(ssl);

    return ossl_ssl_cipher_to_ary(cipher);
}

client_ca → [x509name, ...] click to toggle source

Returns the list of client CAs. Please note that in contrast to SSLContext#client_ca= no array of X509::Certificate is returned but X509::Name instances of the CA's subject distinguished name.

In server mode, returns the list set by SSLContext#client_ca=. In client mode, returns the list of client CAs sent from the server.

static VALUE
ossl_ssl_get_client_ca_list(VALUE self)
{
    SSL *ssl;
    STACK_OF(X509_NAME) *ca;

    ossl_ssl_data_get_struct(self, ssl);

    ca = SSL_get_client_CA_list(ssl);
    return ossl_x509name_sk2ary(ca);
}

connect → self click to toggle source

Initiates an SSL/TLS handshake with a server. The handshake may be started after unencrypted data has been sent over the socket.

static VALUE
ossl_ssl_connect(VALUE self)
{
    ossl_ssl_setup(self);

    return ossl_start_ssl(self, SSL_connect, "SSL_connect", Qfalse);
}

connect_nonblock([options]) → self click to toggle source

Initiates the SSL/TLS handshake as a client in non-blocking manner.

# emulates blocking connect
begin
  ssl.connect_nonblock
rescue IO::WaitReadable
  IO.select([s2])
  retry
rescue IO::WaitWritable
  IO.select(nil, [s2])
  retry
end

By specifying `exception: false`, the options hash allows you to indicate that connect_nonblock should not raise an IO::WaitReadable or IO::WaitWritable exception, but return the symbol :wait_readable or :wait_writable instead.

static VALUE
ossl_ssl_connect_nonblock(int argc, VALUE *argv, VALUE self)
{
    VALUE opts;
    rb_scan_args(argc, argv, "0:", &opts);

    ossl_ssl_setup(self);

    return ossl_start_ssl(self, SSL_connect, "SSL_connect", opts);
}

npn_protocol → String click to toggle source

Returns the protocol string that was finally selected by the client during the handshake.

static VALUE
ossl_ssl_npn_protocol(VALUE self)
{
    SSL *ssl;
    const unsigned char *out;
    unsigned int outlen;

    ossl_ssl_data_get_struct(self, ssl);

    SSL_get0_next_proto_negotiated(ssl, &out, &outlen);
    if (!outlen)
        return Qnil;
    else
        return rb_str_new((const char *) out, outlen);
}

peer_cert → cert or nil click to toggle source

The X509 certificate for this socket's peer.

static VALUE
ossl_ssl_get_peer_cert(VALUE self)
{
    SSL *ssl;
    X509 *cert = NULL;
    VALUE obj;

    ossl_ssl_data_get_struct(self, ssl);

    cert = SSL_get_peer_certificate(ssl); /* Adds a ref => Safe to FREE. */

    if (!cert) {
        return Qnil;
    }
    obj = ossl_x509_new(cert);
    X509_free(cert);

    return obj;
}

peer_cert_chain → [cert, ...] or nil click to toggle source

The X509 certificate chain for this socket's peer.

static VALUE
ossl_ssl_get_peer_cert_chain(VALUE self)
{
    SSL *ssl;
    STACK_OF(X509) *chain;
    X509 *cert;
    VALUE ary;
    int i, num;

    ossl_ssl_data_get_struct(self, ssl);

    chain = SSL_get_peer_cert_chain(ssl);
    if(!chain) return Qnil;
    num = sk_X509_num(chain);
    ary = rb_ary_new2(num);
    for (i = 0; i < num; i++){
        cert = sk_X509_value(chain, i);
        rb_ary_push(ary, ossl_x509_new(cert));
    }

    return ary;
}

pending → Integer click to toggle source

The number of bytes that are immediately available for reading

static VALUE
ossl_ssl_pending(VALUE self)
{
    SSL *ssl;

    ossl_ssl_data_get_struct(self, ssl);

    return INT2NUM(SSL_pending(ssl));
}

post_connection_check(hostname) click to toggle source

Perform hostname verification after an SSL connection is established

This method MUST be called after calling connect to ensure that the hostname of a remote peer has been verified.

# File ext/openssl/lib/openssl/ssl.rb, line 308
def post_connection_check(hostname)
  if peer_cert.nil?
    msg = "Peer verification enabled, but no certificate received."
    if using_anon_cipher?
      msg += " Anonymous cipher suite #{cipher[0]} was negotiated. Anonymous suites must be disabled to use peer verification."
    end
    raise SSLError, msg
  end

  unless OpenSSL::SSL.verify_certificate_identity(peer_cert, hostname)
    raise SSLError, "hostname \"#{hostname}\" does not match the server certificate"
  end
  return true
end

session() click to toggle source

# File ext/openssl/lib/openssl/ssl.rb, line 323
def session
  SSL::Session.new(self)
rescue SSL::Session::SessionError
  nil
end

session = session → session click to toggle source

Sets the Session to be used when the connection is established.

static VALUE
ossl_ssl_set_session(VALUE self, VALUE arg1)
{
    SSL *ssl;
    SSL_SESSION *sess;

/* why is ossl_ssl_setup delayed? */
    ossl_ssl_setup(self);

    ossl_ssl_data_get_struct(self, ssl);

    SafeGetSSLSession(arg1, sess);

    if (SSL_set_session(ssl, sess) != 1)
        ossl_raise(eSSLError, "SSL_set_session");

    return arg1;
}

session_reused? → true | false click to toggle source

Returns true if a reused session was negotiated during the handshake.

static VALUE
ossl_ssl_session_reused(VALUE self)
{
    SSL *ssl;

    ossl_ssl_data_get_struct(self, ssl);

    switch(SSL_session_reused(ssl)) {
    case 1:     return Qtrue;
    case 0:     return Qfalse;
    default:    ossl_raise(eSSLError, "SSL_session_reused");
    }

    UNREACHABLE;
}

ssl_version → String click to toggle source

Returns a String representing the SSL/TLS version that was negotiated for the connection, for example “TLSv1.2”.

static VALUE
ossl_ssl_get_version(VALUE self)
{
    SSL *ssl;

    ossl_ssl_data_get_struct(self, ssl);

    return rb_str_new2(SSL_get_version(ssl));
}

state → string click to toggle source

A description of the current connection state.

static VALUE
ossl_ssl_get_state(VALUE self)
{
    SSL *ssl;
    VALUE ret;

    ossl_ssl_data_get_struct(self, ssl);

    ret = rb_str_new2(SSL_state_string(ssl));
    if (ruby_verbose) {
        rb_str_cat2(ret, ": ");
        rb_str_cat2(ret, SSL_state_string_long(ssl));
    }
    return ret;
}

sysclose → nil click to toggle source

Sends “close notify” to the peer and tries to shut down the SSL connection gracefully.

If sync_close is set to true, the underlying IO is also closed.

# File ext/openssl/lib/openssl/ssl.rb, line 297
def sysclose
  return if closed?
  stop
  io.close if sync_close
end

sysread(length) → string click to toggle source

sysread(length, buffer) → buffer

Reads length bytes from the SSL connection. If a pre-allocated buffer is provided the data will be written into it.

static VALUE
ossl_ssl_read(int argc, VALUE *argv, VALUE self)
{
    return ossl_ssl_read_internal(argc, argv, self, 0);
}

syswrite(string) → Integer click to toggle source

Writes string to the SSL connection.

static VALUE
ossl_ssl_write(VALUE self, VALUE str)
{
    return ossl_ssl_write_internal(self, str, Qfalse);
}

verify_result → Integer click to toggle source

Returns the result of the peer certificates verification. See verify(1) for error values and descriptions.

If no peer certificate was presented X509_V_OK is returned.

static VALUE
ossl_ssl_get_verify_result(VALUE self)
{
    SSL *ssl;

    ossl_ssl_data_get_struct(self, ssl);

    return INT2FIX(SSL_get_verify_result(ssl));
}

Private Instance Methods

client_cert_cb() click to toggle source

# File ext/openssl/lib/openssl/ssl.rb, line 337
def client_cert_cb
  @context.client_cert_cb
end

session_get_cb() click to toggle source

# File ext/openssl/lib/openssl/ssl.rb, line 353
def session_get_cb
  @context.session_get_cb
end

session_new_cb() click to toggle source

# File ext/openssl/lib/openssl/ssl.rb, line 349
def session_new_cb
  @context.session_new_cb
end

stop → nil click to toggle source

Sends “close notify” to the peer and tries to shut down the SSL connection gracefully.

static VALUE
ossl_ssl_stop(VALUE self)
{
    SSL *ssl;

    ossl_ssl_data_get_struct(self, ssl);

    ossl_ssl_shutdown(ssl);

    return Qnil;
}

sysread_nonblock(length) → string click to toggle source

sysread_nonblock(length, buffer) → buffer

sysread_nonblock(length[, buffer [, opts]) → buffer

A non-blocking version of sysread. Raises an SSLError if reading would block. If “exception: false” is passed, this method returns a symbol of :wait_readable, :wait_writable, or nil, rather than raising an exception.

Reads length bytes from the SSL connection. If a pre-allocated buffer is provided the data will be written into it.

static VALUE
ossl_ssl_read_nonblock(int argc, VALUE *argv, VALUE self)
{
    return ossl_ssl_read_internal(argc, argv, self, 1);
}

syswrite_nonblock(string) → Integer click to toggle source

Writes string to the SSL connection in a non-blocking manner. Raises an SSLError if writing would block.

static VALUE
ossl_ssl_write_nonblock(int argc, VALUE *argv, VALUE self)
{
    VALUE str, opts;

    rb_scan_args(argc, argv, "1:", &str, &opts);

    return ossl_ssl_write_internal(self, str, opts);
}

tmp_dh_callback() click to toggle source

# File ext/openssl/lib/openssl/ssl.rb, line 341
def tmp_dh_callback
  @context.tmp_dh_callback || OpenSSL::PKey::DEFAULT_TMP_DH_CALLBACK
end

tmp_ecdh_callback() click to toggle source

# File ext/openssl/lib/openssl/ssl.rb, line 345
def tmp_ecdh_callback
  @context.tmp_ecdh_callback
end

using_anon_cipher?() click to toggle source

# File ext/openssl/lib/openssl/ssl.rb, line 331
def using_anon_cipher?
  ctx = OpenSSL::SSL::SSLContext.new
  ctx.ciphers = "aNULL"
  ctx.ciphers.include?(cipher)
end