The SSLContext object used in this connection.
Whether to close the underlying socket as well, when the SSL/TLS connection is shut down. This defaults to false.
static VALUE
ossl_ssl_initialize(int argc, VALUE *argv, VALUE self)
{
VALUE io, v_ctx, verify_cb;
SSL *ssl;
SSL_CTX *ctx;
TypedData_Get_Struct(self, SSL, &ossl_ssl_type, ssl);
if (ssl)
ossl_raise(eSSLError, "SSL already initialized");
if (rb_scan_args(argc, argv, "11", &io, &v_ctx) == 1)
v_ctx = rb_funcall(cSSLContext, rb_intern("new"), 0);
GetSSLCTX(v_ctx, ctx);
rb_ivar_set(self, id_i_context, v_ctx);
ossl_sslctx_setup(v_ctx);
if (rb_respond_to(io, rb_intern("nonblock=")))
rb_funcall(io, rb_intern("nonblock="), 1, Qtrue);
rb_ivar_set(self, id_i_io, io);
ssl = SSL_new(ctx);
if (!ssl)
ossl_raise(eSSLError, NULL);
RTYPEDDATA_DATA(self) = ssl;
SSL_set_ex_data(ssl, ossl_ssl_ex_ptr_idx, (void *)self);
SSL_set_info_callback(ssl, ssl_info_cb);
verify_cb = rb_attr_get(v_ctx, id_i_verify_callback);
SSL_set_ex_data(ssl, ossl_ssl_ex_vcb_idx, (void *)verify_cb);
rb_call_super(0, NULL);
return self;
}
Creates a new SSL socket from io which must be a real IO object (not an IO-like object that responds to read/write).
If ctx is provided the SSL Sockets initial params will be taken from the context.
The OpenSSL::Buffering module provides additional IO methods.
This method will freeze the SSLContext if one is provided; however, session management is still allowed in the frozen SSLContext.
static VALUE
ossl_ssl_accept(VALUE self)
{
ossl_ssl_setup(self);
return ossl_start_ssl(self, SSL_accept, "SSL_accept", Qfalse);
}
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_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);
}
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 a keyword argument exception to false, you can 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_alpn_protocol(VALUE self)
{
SSL *ssl;
const unsigned char *out;
unsigned int outlen;
GetSSL(self, ssl);
SSL_get0_alpn_selected(ssl, &out, &outlen);
if (!outlen)
return Qnil;
else
return rb_str_new((const char *) out, outlen);
}
Returns the ALPN protocol string that was finally selected by the server during the handshake.
static VALUE
ossl_ssl_get_cert(VALUE self)
{
SSL *ssl;
X509 *cert = NULL;
GetSSL(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);
}
The X509 certificate for this socket endpoint.
static VALUE
ossl_ssl_get_cipher(VALUE self)
{
SSL *ssl;
const SSL_CIPHER *cipher;
GetSSL(self, ssl);
cipher = SSL_get_current_cipher(ssl);
return cipher ? ossl_ssl_cipher_to_ary(cipher) : Qnil;
}
Returns the cipher suite actually used in the current session, or nil if no session has been established.
static VALUE
ossl_ssl_get_client_ca_list(VALUE self)
{
SSL *ssl;
STACK_OF(X509_NAME) *ca;
GetSSL(self, ssl);
ca = SSL_get_client_CA_list(ssl);
return ossl_x509name_sk2ary(ca);
}
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.
# File tmp/rubies/ruby-2.5.9/ext/openssl/lib/openssl/ssl.rb, line 418
def client_cert_cb
@context.client_cert_cb
end
static VALUE
ossl_ssl_connect(VALUE self)
{
ossl_ssl_setup(self);
return ossl_start_ssl(self, SSL_connect, "SSL_connect", Qfalse);
}
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_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);
}
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 a keyword argument exception to false, you can 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_set_hostname(VALUE self, VALUE arg)
{
SSL *ssl;
char *hostname = NULL;
GetSSL(self, ssl);
if (!NIL_P(arg))
hostname = StringValueCStr(arg);
if (!SSL_set_tlsext_host_name(ssl, hostname))
ossl_raise(eSSLError, NULL);
/* for SSLSocket#hostname */
rb_ivar_set(self, id_i_hostname, arg);
return arg;
}
Sets the server hostname used for SNI. This needs to be set before SSLSocket#connect.
static VALUE
ossl_ssl_npn_protocol(VALUE self)
{
SSL *ssl;
const unsigned char *out;
unsigned int outlen;
GetSSL(self, ssl);
SSL_get0_next_proto_negotiated(ssl, &out, &outlen);
if (!outlen)
return Qnil;
else
return rb_str_new((const char *) out, outlen);
}
Returns the protocol string that was finally selected by the client during the handshake.
static VALUE
ossl_ssl_get_peer_cert(VALUE self)
{
SSL *ssl;
X509 *cert = NULL;
VALUE obj;
GetSSL(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;
}
The X509 certificate 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;
GetSSL(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;
}
The X509 certificate chain for this socket’s peer.
static VALUE
ossl_ssl_pending(VALUE self)
{
SSL *ssl;
GetSSL(self, ssl);
return INT2NUM(SSL_pending(ssl));
}
The number of bytes that are immediately available for reading.
# File tmp/rubies/ruby-2.5.9/ext/openssl/lib/openssl/ssl.rb, line 383
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
Perform hostname verification following RFC 6125.
This method MUST be called after calling connect to ensure that the hostname of a remote peer has been verified.
# File tmp/rubies/ruby-2.5.9/ext/openssl/lib/openssl/ssl.rb, line 404
def session
SSL::Session.new(self)
rescue SSL::Session::SessionError
nil
end
Returns the SSLSession object currently used, or nil if the session is not established.
static VALUE
ossl_ssl_set_session(VALUE self, VALUE arg1)
{
SSL *ssl;
SSL_SESSION *sess;
GetSSL(self, ssl);
GetSSLSession(arg1, sess);
if (SSL_set_session(ssl, sess) != 1)
ossl_raise(eSSLError, "SSL_set_session");
return arg1;
}
Sets the Session to be used when the connection is established.
# File tmp/rubies/ruby-2.5.9/ext/openssl/lib/openssl/ssl.rb, line 434
def session_get_cb
@context.session_get_cb
end
# File tmp/rubies/ruby-2.5.9/ext/openssl/lib/openssl/ssl.rb, line 430
def session_new_cb
@context.session_new_cb
end
static VALUE
ossl_ssl_session_reused(VALUE self)
{
SSL *ssl;
GetSSL(self, ssl);
return SSL_session_reused(ssl) ? Qtrue : Qfalse;
}
Returns true if a reused session was negotiated during the handshake.
static VALUE
ossl_ssl_get_version(VALUE self)
{
SSL *ssl;
GetSSL(self, ssl);
return rb_str_new2(SSL_get_version(ssl));
}
Returns a String representing the SSL/TLS version that was negotiated for the connection, for example “TLSv1.2”.
static VALUE
ossl_ssl_get_state(VALUE self)
{
SSL *ssl;
VALUE ret;
GetSSL(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;
}
A description of the current connection state. This is for diagnostic purposes only.
static VALUE
ossl_ssl_stop(VALUE self)
{
SSL *ssl;
int ret;
GetSSL(self, ssl);
if (!ssl_started(ssl))
return Qnil;
ret = SSL_shutdown(ssl);
if (ret == 1) /* Have already received close_notify */
return Qnil;
if (ret == 0) /* Sent close_notify, but we don't wait for reply */
return Qnil;
/*
* XXX: Something happened. Possibly it failed because the underlying socket
* is not writable/readable, since it is in non-blocking mode. We should do
* some proper error handling using SSL_get_error() and maybe retry, but we
* can't block here. Give up for now.
*/
ossl_clear_error();
return Qnil;
}
Sends “close notify” to the peer and tries to shut down the SSL connection gracefully.
# File tmp/rubies/ruby-2.5.9/ext/openssl/lib/openssl/ssl.rb, line 370
def sysclose
return if closed?
stop
io.close if sync_close
end
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.
static VALUE
ossl_ssl_read(int argc, VALUE *argv, VALUE self)
{
return ossl_ssl_read_internal(argc, argv, self, 0);
}
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);
}
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_write(VALUE self, VALUE str)
{
return ossl_ssl_write_internal(self, str, Qfalse);
}
Writes string to the SSL connection.
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);
}
# File tmp/rubies/ruby-2.5.9/ext/openssl/lib/openssl/ssl.rb, line 422
def tmp_dh_callback
@context.tmp_dh_callback || OpenSSL::SSL::SSLContext::DEFAULT_TMP_DH_CALLBACK
end
# File tmp/rubies/ruby-2.5.9/ext/openssl/lib/openssl/ssl.rb, line 426
def tmp_ecdh_callback
@context.tmp_ecdh_callback
end
static VALUE
ossl_ssl_tmp_key(VALUE self)
{
SSL *ssl;
EVP_PKEY *key;
GetSSL(self, ssl);
if (!SSL_get_server_tmp_key(ssl, &key))
return Qnil;
return ossl_pkey_new(key);
}
Returns the ephemeral key used in case of forward secrecy cipher.
# File tmp/rubies/ruby-2.5.9/ext/openssl/lib/openssl/ssl.rb, line 412
def using_anon_cipher?
ctx = OpenSSL::SSL::SSLContext.new
ctx.ciphers = "aNULL"
ctx.ciphers.include?(cipher)
end
static VALUE
ossl_ssl_get_verify_result(VALUE self)
{
SSL *ssl;
GetSSL(self, ssl);
return INT2NUM(SSL_get_verify_result(ssl));
}
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.