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ruby--ruby/ext/openssl/ossl_ssl.c
rhe 66fd565153 openssl: merge test fix from upstream 
Merge a commit from upstream:

	d1cbf6d75280 test/test_ssl_session: skip tests for session_remove_cb

Tests using SSL::SSLContext#session_remove_cb= are now skipped.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60318 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-10-21 20:26:26 +00:00

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/*
* 'OpenSSL for Ruby' project
* Copyright (C) 2000-2002 GOTOU Yuuzou <gotoyuzo@notwork.org>
* Copyright (C) 2001-2002 Michal Rokos <m.rokos@sh.cvut.cz>
* Copyright (C) 2001-2007 Technorama Ltd. <oss-ruby@technorama.net>
* All rights reserved.
*/
/*
* This program is licensed under the same licence as Ruby.
* (See the file 'LICENCE'.)
*/
#include "ossl.h"
#define numberof(ary) (int)(sizeof(ary)/sizeof((ary)[0]))
#ifdef _WIN32
# define TO_SOCKET(s) _get_osfhandle(s)
#else
# define TO_SOCKET(s) (s)
#endif
#define GetSSLCTX(obj, ctx) do { \
TypedData_Get_Struct((obj), SSL_CTX, &ossl_sslctx_type, (ctx)); \
} while (0)
VALUE mSSL;
static VALUE mSSLExtConfig;
static VALUE eSSLError;
VALUE cSSLContext;
VALUE cSSLSocket;
static VALUE eSSLErrorWaitReadable;
static VALUE eSSLErrorWaitWritable;
static ID ID_callback_state, id_tmp_dh_callback, id_tmp_ecdh_callback,
id_npn_protocols_encoded;
static VALUE sym_exception, sym_wait_readable, sym_wait_writable;
static ID id_i_cert_store, id_i_ca_file, id_i_ca_path, id_i_verify_mode,
id_i_verify_depth, id_i_verify_callback, id_i_client_ca,
id_i_renegotiation_cb, id_i_cert, id_i_key, id_i_extra_chain_cert,
id_i_client_cert_cb, id_i_tmp_ecdh_callback, id_i_timeout,
id_i_session_id_context, id_i_session_get_cb, id_i_session_new_cb,
id_i_session_remove_cb, id_i_npn_select_cb, id_i_npn_protocols,
id_i_alpn_select_cb, id_i_alpn_protocols, id_i_servername_cb,
id_i_verify_hostname;
static ID id_i_io, id_i_context, id_i_hostname;
static int ossl_ssl_ex_vcb_idx;
static int ossl_ssl_ex_ptr_idx;
static int ossl_sslctx_ex_ptr_idx;
#if !defined(HAVE_X509_STORE_UP_REF)
static int ossl_sslctx_ex_store_p;
#endif
static void
ossl_sslctx_free(void *ptr)
{
SSL_CTX *ctx = ptr;
#if !defined(HAVE_X509_STORE_UP_REF)
if (ctx && SSL_CTX_get_ex_data(ctx, ossl_sslctx_ex_store_p))
ctx->cert_store = NULL;
#endif
SSL_CTX_free(ctx);
}
static const rb_data_type_t ossl_sslctx_type = {
"OpenSSL/SSL/CTX",
{
0, ossl_sslctx_free,
},
0, 0, RUBY_TYPED_FREE_IMMEDIATELY,
};
static VALUE
ossl_sslctx_s_alloc(VALUE klass)
{
SSL_CTX *ctx;
long mode = 0 |
SSL_MODE_ENABLE_PARTIAL_WRITE |
SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER |
SSL_MODE_RELEASE_BUFFERS;
VALUE obj;
obj = TypedData_Wrap_Struct(klass, &ossl_sslctx_type, 0);
#if OPENSSL_VERSION_NUMBER >= 0x10100000 && !defined(LIBRESSL_VERSION_NUMBER)
ctx = SSL_CTX_new(TLS_method());
#else
ctx = SSL_CTX_new(SSLv23_method());
#endif
if (!ctx) {
ossl_raise(eSSLError, "SSL_CTX_new");
}
SSL_CTX_set_mode(ctx, mode);
RTYPEDDATA_DATA(obj) = ctx;
SSL_CTX_set_ex_data(ctx, ossl_sslctx_ex_ptr_idx, (void *)obj);
#if !defined(OPENSSL_NO_EC) && defined(HAVE_SSL_CTX_SET_ECDH_AUTO)
/* We use SSL_CTX_set1_curves_list() to specify the curve used in ECDH. It
* allows to specify multiple curve names and OpenSSL will select
* automatically from them. In OpenSSL 1.0.2, the automatic selection has to
* be enabled explicitly. But OpenSSL 1.1.0 removed the knob and it is
* always enabled. To uniform the behavior, we enable the automatic
* selection also in 1.0.2. Users can still disable ECDH by removing ECDH
* cipher suites by SSLContext#ciphers=. */
if (!SSL_CTX_set_ecdh_auto(ctx, 1))
ossl_raise(eSSLError, "SSL_CTX_set_ecdh_auto");
#endif
return obj;
}
static int
parse_proto_version(VALUE str)
{
int i;
static const struct {
const char *name;
int version;
} map[] = {
{ "SSL2", SSL2_VERSION },
{ "SSL3", SSL3_VERSION },
{ "TLS1", TLS1_VERSION },
{ "TLS1_1", TLS1_1_VERSION },
{ "TLS1_2", TLS1_2_VERSION },
#ifdef TLS1_3_VERSION
{ "TLS1_3", TLS1_3_VERSION },
#endif
};
if (NIL_P(str))
return 0;
if (RB_INTEGER_TYPE_P(str))
return NUM2INT(str);
if (SYMBOL_P(str))
str = rb_sym2str(str);
StringValue(str);
for (i = 0; i < numberof(map); i++)
if (!strncmp(map[i].name, RSTRING_PTR(str), RSTRING_LEN(str)))
return map[i].version;
rb_raise(rb_eArgError, "unrecognized version %+"PRIsVALUE, str);
}
/*
* call-seq:
* ctx.set_minmax_proto_version(min, max) -> nil
*
* Sets the minimum and maximum supported protocol versions. See #min_version=
* and #max_version=.
*/
static VALUE
ossl_sslctx_set_minmax_proto_version(VALUE self, VALUE min_v, VALUE max_v)
{
SSL_CTX *ctx;
int min, max;
GetSSLCTX(self, ctx);
min = parse_proto_version(min_v);
max = parse_proto_version(max_v);
#ifdef HAVE_SSL_CTX_SET_MIN_PROTO_VERSION
if (!SSL_CTX_set_min_proto_version(ctx, min))
ossl_raise(eSSLError, "SSL_CTX_set_min_proto_version");
if (!SSL_CTX_set_max_proto_version(ctx, max))
ossl_raise(eSSLError, "SSL_CTX_set_max_proto_version");
#else
{
unsigned long sum = 0, opts = 0;
int i;
static const struct {
int ver;
unsigned long opts;
} options_map[] = {
{ SSL2_VERSION, SSL_OP_NO_SSLv2 },
{ SSL3_VERSION, SSL_OP_NO_SSLv3 },
{ TLS1_VERSION, SSL_OP_NO_TLSv1 },
{ TLS1_1_VERSION, SSL_OP_NO_TLSv1_1 },
{ TLS1_2_VERSION, SSL_OP_NO_TLSv1_2 },
# if defined(TLS1_3_VERSION)
{ TLS1_3_VERSION, SSL_OP_NO_TLSv1_3 },
# endif
};
for (i = 0; i < numberof(options_map); i++) {
sum |= options_map[i].opts;
if (min && min > options_map[i].ver || max && max < options_map[i].ver)
opts |= options_map[i].opts;
}
SSL_CTX_clear_options(ctx, sum);
SSL_CTX_set_options(ctx, opts);
}
#endif
return Qnil;
}
static VALUE
ossl_call_client_cert_cb(VALUE obj)
{
VALUE ctx_obj, cb, ary, cert, key;
ctx_obj = rb_attr_get(obj, id_i_context);
cb = rb_attr_get(ctx_obj, id_i_client_cert_cb);
if (NIL_P(cb))
return Qnil;
ary = rb_funcall(cb, rb_intern("call"), 1, obj);
Check_Type(ary, T_ARRAY);
GetX509CertPtr(cert = rb_ary_entry(ary, 0));
GetPrivPKeyPtr(key = rb_ary_entry(ary, 1));
return rb_ary_new3(2, cert, key);
}
static int
ossl_client_cert_cb(SSL *ssl, X509 **x509, EVP_PKEY **pkey)
{
VALUE obj, ret;
obj = (VALUE)SSL_get_ex_data(ssl, ossl_ssl_ex_ptr_idx);
ret = rb_protect(ossl_call_client_cert_cb, obj, NULL);
if (NIL_P(ret))
return 0;
*x509 = DupX509CertPtr(RARRAY_AREF(ret, 0));
*pkey = DupPKeyPtr(RARRAY_AREF(ret, 1));
return 1;
}
#if !defined(OPENSSL_NO_DH) || \
!defined(OPENSSL_NO_EC) && defined(HAVE_SSL_CTX_SET_TMP_ECDH_CALLBACK)
struct tmp_dh_callback_args {
VALUE ssl_obj;
ID id;
int type;
int is_export;
int keylength;
};
static EVP_PKEY *
ossl_call_tmp_dh_callback(struct tmp_dh_callback_args *args)
{
VALUE cb, dh;
EVP_PKEY *pkey;
cb = rb_funcall(args->ssl_obj, args->id, 0);
if (NIL_P(cb))
return NULL;
dh = rb_funcall(cb, rb_intern("call"), 3,
args->ssl_obj, INT2NUM(args->is_export), INT2NUM(args->keylength));
pkey = GetPKeyPtr(dh);
if (EVP_PKEY_base_id(pkey) != args->type)
return NULL;
return pkey;
}
#endif
#if !defined(OPENSSL_NO_DH)
static DH *
ossl_tmp_dh_callback(SSL *ssl, int is_export, int keylength)
{
VALUE rb_ssl;
EVP_PKEY *pkey;
struct tmp_dh_callback_args args;
int state;
rb_ssl = (VALUE)SSL_get_ex_data(ssl, ossl_ssl_ex_ptr_idx);
args.ssl_obj = rb_ssl;
args.id = id_tmp_dh_callback;
args.is_export = is_export;
args.keylength = keylength;
args.type = EVP_PKEY_DH;
pkey = (EVP_PKEY *)rb_protect((VALUE (*)(VALUE))ossl_call_tmp_dh_callback,
(VALUE)&args, &state);
if (state) {
rb_ivar_set(rb_ssl, ID_callback_state, INT2NUM(state));
return NULL;
}
if (!pkey)
return NULL;
return EVP_PKEY_get0_DH(pkey);
}
#endif /* OPENSSL_NO_DH */
#if !defined(OPENSSL_NO_EC) && defined(HAVE_SSL_CTX_SET_TMP_ECDH_CALLBACK)
static EC_KEY *
ossl_tmp_ecdh_callback(SSL *ssl, int is_export, int keylength)
{
VALUE rb_ssl;
EVP_PKEY *pkey;
struct tmp_dh_callback_args args;
int state;
rb_ssl = (VALUE)SSL_get_ex_data(ssl, ossl_ssl_ex_ptr_idx);
args.ssl_obj = rb_ssl;
args.id = id_tmp_ecdh_callback;
args.is_export = is_export;
args.keylength = keylength;
args.type = EVP_PKEY_EC;
pkey = (EVP_PKEY *)rb_protect((VALUE (*)(VALUE))ossl_call_tmp_dh_callback,
(VALUE)&args, &state);
if (state) {
rb_ivar_set(rb_ssl, ID_callback_state, INT2NUM(state));
return NULL;
}
if (!pkey)
return NULL;
return EVP_PKEY_get0_EC_KEY(pkey);
}
#endif
static VALUE
call_verify_certificate_identity(VALUE ctx_v)
{
X509_STORE_CTX *ctx = (X509_STORE_CTX *)ctx_v;
SSL *ssl;
VALUE ssl_obj, hostname, cert_obj;
ssl = X509_STORE_CTX_get_ex_data(ctx, SSL_get_ex_data_X509_STORE_CTX_idx());
ssl_obj = (VALUE)SSL_get_ex_data(ssl, ossl_ssl_ex_ptr_idx);
hostname = rb_attr_get(ssl_obj, id_i_hostname);
if (!RTEST(hostname)) {
rb_warning("verify_hostname requires hostname to be set");
return Qtrue;
}
cert_obj = ossl_x509_new(X509_STORE_CTX_get_current_cert(ctx));
return rb_funcall(mSSL, rb_intern("verify_certificate_identity"), 2,
cert_obj, hostname);
}
static int
ossl_ssl_verify_callback(int preverify_ok, X509_STORE_CTX *ctx)
{
VALUE cb, ssl_obj, sslctx_obj, verify_hostname, ret;
SSL *ssl;
int status;
ssl = X509_STORE_CTX_get_ex_data(ctx, SSL_get_ex_data_X509_STORE_CTX_idx());
cb = (VALUE)SSL_get_ex_data(ssl, ossl_ssl_ex_vcb_idx);
ssl_obj = (VALUE)SSL_get_ex_data(ssl, ossl_ssl_ex_ptr_idx);
sslctx_obj = rb_attr_get(ssl_obj, id_i_context);
verify_hostname = rb_attr_get(sslctx_obj, id_i_verify_hostname);
if (preverify_ok && RTEST(verify_hostname) && !SSL_is_server(ssl) &&
!X509_STORE_CTX_get_error_depth(ctx)) {
ret = rb_protect(call_verify_certificate_identity, (VALUE)ctx, &status);
if (status) {
rb_ivar_set(ssl_obj, ID_callback_state, INT2NUM(status));
return 0;
}
preverify_ok = ret == Qtrue;
}
return ossl_verify_cb_call(cb, preverify_ok, ctx);
}
static VALUE
ossl_call_session_get_cb(VALUE ary)
{
VALUE ssl_obj, cb;
Check_Type(ary, T_ARRAY);
ssl_obj = rb_ary_entry(ary, 0);
cb = rb_funcall(ssl_obj, rb_intern("session_get_cb"), 0);
if (NIL_P(cb)) return Qnil;
return rb_funcall(cb, rb_intern("call"), 1, ary);
}
/* this method is currently only called for servers (in OpenSSL <= 0.9.8e) */
static SSL_SESSION *
#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
ossl_sslctx_session_get_cb(SSL *ssl, const unsigned char *buf, int len, int *copy)
#else
ossl_sslctx_session_get_cb(SSL *ssl, unsigned char *buf, int len, int *copy)
#endif
{
VALUE ary, ssl_obj, ret_obj;
SSL_SESSION *sess;
int state = 0;
OSSL_Debug("SSL SESSION get callback entered");
ssl_obj = (VALUE)SSL_get_ex_data(ssl, ossl_ssl_ex_ptr_idx);
ary = rb_ary_new2(2);
rb_ary_push(ary, ssl_obj);
rb_ary_push(ary, rb_str_new((const char *)buf, len));
ret_obj = rb_protect(ossl_call_session_get_cb, ary, &state);
if (state) {
rb_ivar_set(ssl_obj, ID_callback_state, INT2NUM(state));
return NULL;
}
if (!rb_obj_is_instance_of(ret_obj, cSSLSession))
return NULL;
GetSSLSession(ret_obj, sess);
*copy = 1;
return sess;
}
static VALUE
ossl_call_session_new_cb(VALUE ary)
{
VALUE ssl_obj, cb;
Check_Type(ary, T_ARRAY);
ssl_obj = rb_ary_entry(ary, 0);
cb = rb_funcall(ssl_obj, rb_intern("session_new_cb"), 0);
if (NIL_P(cb)) return Qnil;
return rb_funcall(cb, rb_intern("call"), 1, ary);
}
/* return 1 normal. return 0 removes the session */
static int
ossl_sslctx_session_new_cb(SSL *ssl, SSL_SESSION *sess)
{
VALUE ary, ssl_obj, sess_obj;
int state = 0;
OSSL_Debug("SSL SESSION new callback entered");
ssl_obj = (VALUE)SSL_get_ex_data(ssl, ossl_ssl_ex_ptr_idx);
sess_obj = rb_obj_alloc(cSSLSession);
SSL_SESSION_up_ref(sess);
DATA_PTR(sess_obj) = sess;
ary = rb_ary_new2(2);
rb_ary_push(ary, ssl_obj);
rb_ary_push(ary, sess_obj);
rb_protect(ossl_call_session_new_cb, ary, &state);
if (state) {
rb_ivar_set(ssl_obj, ID_callback_state, INT2NUM(state));
}
/*
* return 0 which means to OpenSSL that the session is still
* valid (since we created Ruby Session object) and was not freed by us
* with SSL_SESSION_free(). Call SSLContext#remove_session(sess) in
* session_get_cb block if you don't want OpenSSL to cache the session
* internally.
*/
return 0;
}
static VALUE
ossl_call_session_remove_cb(VALUE ary)
{
VALUE sslctx_obj, cb;
Check_Type(ary, T_ARRAY);
sslctx_obj = rb_ary_entry(ary, 0);
cb = rb_attr_get(sslctx_obj, id_i_session_remove_cb);
if (NIL_P(cb)) return Qnil;
return rb_funcall(cb, rb_intern("call"), 1, ary);
}
static void
ossl_sslctx_session_remove_cb(SSL_CTX *ctx, SSL_SESSION *sess)
{
VALUE ary, sslctx_obj, sess_obj;
int state = 0;
/*
* This callback is also called for all sessions in the internal store
* when SSL_CTX_free() is called.
*/
if (rb_during_gc())
return;
OSSL_Debug("SSL SESSION remove callback entered");
sslctx_obj = (VALUE)SSL_CTX_get_ex_data(ctx, ossl_sslctx_ex_ptr_idx);
sess_obj = rb_obj_alloc(cSSLSession);
SSL_SESSION_up_ref(sess);
DATA_PTR(sess_obj) = sess;
ary = rb_ary_new2(2);
rb_ary_push(ary, sslctx_obj);
rb_ary_push(ary, sess_obj);
rb_protect(ossl_call_session_remove_cb, ary, &state);
if (state) {
/*
the SSL_CTX is frozen, nowhere to save state.
there is no common accessor method to check it either.
rb_ivar_set(sslctx_obj, ID_callback_state, INT2NUM(state));
*/
}
}
static VALUE
ossl_sslctx_add_extra_chain_cert_i(RB_BLOCK_CALL_FUNC_ARGLIST(i, arg))
{
X509 *x509;
SSL_CTX *ctx;
GetSSLCTX(arg, ctx);
x509 = DupX509CertPtr(i);
if(!SSL_CTX_add_extra_chain_cert(ctx, x509)){
ossl_raise(eSSLError, NULL);
}
return i;
}
static VALUE ossl_sslctx_setup(VALUE self);
static VALUE
ossl_call_servername_cb(VALUE ary)
{
VALUE ssl_obj, sslctx_obj, cb, ret_obj;
Check_Type(ary, T_ARRAY);
ssl_obj = rb_ary_entry(ary, 0);
sslctx_obj = rb_attr_get(ssl_obj, id_i_context);
cb = rb_attr_get(sslctx_obj, id_i_servername_cb);
if (NIL_P(cb)) return Qnil;
ret_obj = rb_funcall(cb, rb_intern("call"), 1, ary);
if (rb_obj_is_kind_of(ret_obj, cSSLContext)) {
SSL *ssl;
SSL_CTX *ctx2;
ossl_sslctx_setup(ret_obj);
GetSSL(ssl_obj, ssl);
GetSSLCTX(ret_obj, ctx2);
SSL_set_SSL_CTX(ssl, ctx2);
rb_ivar_set(ssl_obj, id_i_context, ret_obj);
} else if (!NIL_P(ret_obj)) {
ossl_raise(rb_eArgError, "servername_cb must return an "
"OpenSSL::SSL::SSLContext object or nil");
}
return ret_obj;
}
static int
ssl_servername_cb(SSL *ssl, int *ad, void *arg)
{
VALUE ary, ssl_obj;
int state = 0;
const char *servername = SSL_get_servername(ssl, TLSEXT_NAMETYPE_host_name);
if (!servername)
return SSL_TLSEXT_ERR_OK;
ssl_obj = (VALUE)SSL_get_ex_data(ssl, ossl_ssl_ex_ptr_idx);
ary = rb_ary_new2(2);
rb_ary_push(ary, ssl_obj);
rb_ary_push(ary, rb_str_new2(servername));
rb_protect(ossl_call_servername_cb, ary, &state);
if (state) {
rb_ivar_set(ssl_obj, ID_callback_state, INT2NUM(state));
return SSL_TLSEXT_ERR_ALERT_FATAL;
}
return SSL_TLSEXT_ERR_OK;
}
static void
ssl_renegotiation_cb(const SSL *ssl)
{
VALUE ssl_obj, sslctx_obj, cb;
ssl_obj = (VALUE)SSL_get_ex_data(ssl, ossl_ssl_ex_ptr_idx);
sslctx_obj = rb_attr_get(ssl_obj, id_i_context);
cb = rb_attr_get(sslctx_obj, id_i_renegotiation_cb);
if (NIL_P(cb)) return;
(void) rb_funcall(cb, rb_intern("call"), 1, ssl_obj);
}
#if !defined(OPENSSL_NO_NEXTPROTONEG) || \
defined(HAVE_SSL_CTX_SET_ALPN_SELECT_CB)
static VALUE
ssl_npn_encode_protocol_i(VALUE cur, VALUE encoded)
{
int len = RSTRING_LENINT(cur);
char len_byte;
if (len < 1 || len > 255)
ossl_raise(eSSLError, "Advertised protocol must have length 1..255");
/* Encode the length byte */
len_byte = len;
rb_str_buf_cat(encoded, &len_byte, 1);
rb_str_buf_cat(encoded, RSTRING_PTR(cur), len);
return Qnil;
}
static VALUE
ssl_encode_npn_protocols(VALUE protocols)
{
VALUE encoded = rb_str_new(NULL, 0);
rb_iterate(rb_each, protocols, ssl_npn_encode_protocol_i, encoded);
return encoded;
}
struct npn_select_cb_common_args {
VALUE cb;
const unsigned char *in;
unsigned inlen;
};
static VALUE
npn_select_cb_common_i(VALUE tmp)
{
struct npn_select_cb_common_args *args = (void *)tmp;
const unsigned char *in = args->in, *in_end = in + args->inlen;
unsigned char l;
long len;
VALUE selected, protocols = rb_ary_new();
/* assume OpenSSL verifies this format */
/* The format is len_1|proto_1|...|len_n|proto_n */
while (in < in_end) {
l = *in++;
rb_ary_push(protocols, rb_str_new((const char *)in, l));
in += l;
}
selected = rb_funcall(args->cb, rb_intern("call"), 1, protocols);
StringValue(selected);
len = RSTRING_LEN(selected);
if (len < 1 || len >= 256) {
ossl_raise(eSSLError, "Selected protocol name must have length 1..255");
}
return selected;
}
static int
ssl_npn_select_cb_common(SSL *ssl, VALUE cb, const unsigned char **out,
unsigned char *outlen, const unsigned char *in,
unsigned int inlen)
{
VALUE selected;
int status;
struct npn_select_cb_common_args args;
args.cb = cb;
args.in = in;
args.inlen = inlen;
selected = rb_protect(npn_select_cb_common_i, (VALUE)&args, &status);
if (status) {
VALUE ssl_obj = (VALUE)SSL_get_ex_data(ssl, ossl_ssl_ex_ptr_idx);
rb_ivar_set(ssl_obj, ID_callback_state, INT2NUM(status));
return SSL_TLSEXT_ERR_ALERT_FATAL;
}
*out = (unsigned char *)RSTRING_PTR(selected);
*outlen = (unsigned char)RSTRING_LEN(selected);
return SSL_TLSEXT_ERR_OK;
}
#endif
#ifndef OPENSSL_NO_NEXTPROTONEG
static int
ssl_npn_advertise_cb(SSL *ssl, const unsigned char **out, unsigned int *outlen,
void *arg)
{
VALUE protocols = (VALUE)arg;
*out = (const unsigned char *) RSTRING_PTR(protocols);
*outlen = RSTRING_LENINT(protocols);
return SSL_TLSEXT_ERR_OK;
}
static int
ssl_npn_select_cb(SSL *ssl, unsigned char **out, unsigned char *outlen,
const unsigned char *in, unsigned int inlen, void *arg)
{
VALUE sslctx_obj, cb;
sslctx_obj = (VALUE) arg;
cb = rb_attr_get(sslctx_obj, id_i_npn_select_cb);
return ssl_npn_select_cb_common(ssl, cb, (const unsigned char **)out,
outlen, in, inlen);
}
#endif
#ifdef HAVE_SSL_CTX_SET_ALPN_SELECT_CB
static int
ssl_alpn_select_cb(SSL *ssl, const unsigned char **out, unsigned char *outlen,
const unsigned char *in, unsigned int inlen, void *arg)
{
VALUE sslctx_obj, cb;
sslctx_obj = (VALUE) arg;
cb = rb_attr_get(sslctx_obj, id_i_alpn_select_cb);
return ssl_npn_select_cb_common(ssl, cb, out, outlen, in, inlen);
}
#endif
/* This function may serve as the entry point to support further callbacks. */
static void
ssl_info_cb(const SSL *ssl, int where, int val)
{
int is_server = SSL_is_server((SSL *)ssl);
if (is_server && where & SSL_CB_HANDSHAKE_START) {
ssl_renegotiation_cb(ssl);
}
}
/*
* Gets various OpenSSL options.
*/
static VALUE
ossl_sslctx_get_options(VALUE self)
{
SSL_CTX *ctx;
GetSSLCTX(self, ctx);
/*
* Do explicit cast because SSL_CTX_get_options() returned (signed) long in
* OpenSSL before 1.1.0.
*/
return ULONG2NUM((unsigned long)SSL_CTX_get_options(ctx));
}
/*
* Sets various OpenSSL options.
*/
static VALUE
ossl_sslctx_set_options(VALUE self, VALUE options)
{
SSL_CTX *ctx;
rb_check_frozen(self);
GetSSLCTX(self, ctx);
SSL_CTX_clear_options(ctx, SSL_CTX_get_options(ctx));
if (NIL_P(options)) {
SSL_CTX_set_options(ctx, SSL_OP_ALL);
} else {
SSL_CTX_set_options(ctx, NUM2ULONG(options));
}
return self;
}
/*
* call-seq:
* ctx.setup => Qtrue # first time
* ctx.setup => nil # thereafter
*
* This method is called automatically when a new SSLSocket is created.
* However, it is not thread-safe and must be called before creating
* SSLSocket objects in a multi-threaded program.
*/
static VALUE
ossl_sslctx_setup(VALUE self)
{
SSL_CTX *ctx;
X509 *cert = NULL, *client_ca = NULL;
EVP_PKEY *key = NULL;
char *ca_path = NULL, *ca_file = NULL;
int verify_mode;
long i;
VALUE val;
if(OBJ_FROZEN(self)) return Qnil;
GetSSLCTX(self, ctx);
#if !defined(OPENSSL_NO_DH)
SSL_CTX_set_tmp_dh_callback(ctx, ossl_tmp_dh_callback);
#endif
#if !defined(OPENSSL_NO_EC)
/* We added SSLContext#tmp_ecdh_callback= in Ruby 2.3.0,
* but SSL_CTX_set_tmp_ecdh_callback() was removed in OpenSSL 1.1.0. */
if (RTEST(rb_attr_get(self, id_i_tmp_ecdh_callback))) {
# if defined(HAVE_SSL_CTX_SET_TMP_ECDH_CALLBACK)
rb_warn("#tmp_ecdh_callback= is deprecated; use #ecdh_curves= instead");
SSL_CTX_set_tmp_ecdh_callback(ctx, ossl_tmp_ecdh_callback);
# if defined(HAVE_SSL_CTX_SET_ECDH_AUTO)
/* tmp_ecdh_callback and ecdh_auto conflict; OpenSSL ignores
* tmp_ecdh_callback. So disable ecdh_auto. */
if (!SSL_CTX_set_ecdh_auto(ctx, 0))
ossl_raise(eSSLError, "SSL_CTX_set_ecdh_auto");
# endif
# else
ossl_raise(eSSLError, "OpenSSL does not support tmp_ecdh_callback; "
"use #ecdh_curves= instead");
# endif
}
#endif /* OPENSSL_NO_EC */
val = rb_attr_get(self, id_i_cert_store);
if (!NIL_P(val)) {
X509_STORE *store = GetX509StorePtr(val); /* NO NEED TO DUP */
SSL_CTX_set_cert_store(ctx, store);
#if !defined(HAVE_X509_STORE_UP_REF)
/*
* WORKAROUND:
* X509_STORE can count references, but
* X509_STORE_free() doesn't care it.
* So we won't increment it but mark it by ex_data.
*/
SSL_CTX_set_ex_data(ctx, ossl_sslctx_ex_store_p, ctx);
#else /* Fixed in OpenSSL 1.0.2; bff9ce4db38b (master), 5b4b9ce976fc (1.0.2) */
X509_STORE_up_ref(store);
#endif
}
val = rb_attr_get(self, id_i_extra_chain_cert);
if(!NIL_P(val)){
rb_block_call(val, rb_intern("each"), 0, 0, ossl_sslctx_add_extra_chain_cert_i, self);
}
/* private key may be bundled in certificate file. */
val = rb_attr_get(self, id_i_cert);
cert = NIL_P(val) ? NULL : GetX509CertPtr(val); /* NO DUP NEEDED */
val = rb_attr_get(self, id_i_key);
key = NIL_P(val) ? NULL : GetPrivPKeyPtr(val); /* NO DUP NEEDED */
if (cert && key) {
if (!SSL_CTX_use_certificate(ctx, cert)) {
/* Adds a ref => Safe to FREE */
ossl_raise(eSSLError, "SSL_CTX_use_certificate");
}
if (!SSL_CTX_use_PrivateKey(ctx, key)) {
/* Adds a ref => Safe to FREE */
ossl_raise(eSSLError, "SSL_CTX_use_PrivateKey");
}
if (!SSL_CTX_check_private_key(ctx)) {
ossl_raise(eSSLError, "SSL_CTX_check_private_key");
}
}
val = rb_attr_get(self, id_i_client_ca);
if(!NIL_P(val)){
if (RB_TYPE_P(val, T_ARRAY)) {
for(i = 0; i < RARRAY_LEN(val); i++){
client_ca = GetX509CertPtr(RARRAY_AREF(val, i));
if (!SSL_CTX_add_client_CA(ctx, client_ca)){
/* Copies X509_NAME => FREE it. */
ossl_raise(eSSLError, "SSL_CTX_add_client_CA");
}
}
}
else{
client_ca = GetX509CertPtr(val); /* NO DUP NEEDED. */
if (!SSL_CTX_add_client_CA(ctx, client_ca)){
/* Copies X509_NAME => FREE it. */
ossl_raise(eSSLError, "SSL_CTX_add_client_CA");
}
}
}
val = rb_attr_get(self, id_i_ca_file);
ca_file = NIL_P(val) ? NULL : StringValueCStr(val);
val = rb_attr_get(self, id_i_ca_path);
ca_path = NIL_P(val) ? NULL : StringValueCStr(val);
if(ca_file || ca_path){
if (!SSL_CTX_load_verify_locations(ctx, ca_file, ca_path))
rb_warning("can't set verify locations");
}
val = rb_attr_get(self, id_i_verify_mode);
verify_mode = NIL_P(val) ? SSL_VERIFY_NONE : NUM2INT(val);
SSL_CTX_set_verify(ctx, verify_mode, ossl_ssl_verify_callback);
if (RTEST(rb_attr_get(self, id_i_client_cert_cb)))
SSL_CTX_set_client_cert_cb(ctx, ossl_client_cert_cb);
val = rb_attr_get(self, id_i_timeout);
if(!NIL_P(val)) SSL_CTX_set_timeout(ctx, NUM2LONG(val));
val = rb_attr_get(self, id_i_verify_depth);
if(!NIL_P(val)) SSL_CTX_set_verify_depth(ctx, NUM2INT(val));
#ifndef OPENSSL_NO_NEXTPROTONEG
val = rb_attr_get(self, id_i_npn_protocols);
if (!NIL_P(val)) {
VALUE encoded = ssl_encode_npn_protocols(val);
rb_ivar_set(self, id_npn_protocols_encoded, encoded);
SSL_CTX_set_next_protos_advertised_cb(ctx, ssl_npn_advertise_cb, (void *)encoded);
OSSL_Debug("SSL NPN advertise callback added");
}
if (RTEST(rb_attr_get(self, id_i_npn_select_cb))) {
SSL_CTX_set_next_proto_select_cb(ctx, ssl_npn_select_cb, (void *) self);
OSSL_Debug("SSL NPN select callback added");
}
#endif
#ifdef HAVE_SSL_CTX_SET_ALPN_SELECT_CB
val = rb_attr_get(self, id_i_alpn_protocols);
if (!NIL_P(val)) {
VALUE rprotos = ssl_encode_npn_protocols(val);
/* returns 0 on success */
if (SSL_CTX_set_alpn_protos(ctx, (unsigned char *)RSTRING_PTR(rprotos),
RSTRING_LENINT(rprotos)))
ossl_raise(eSSLError, "SSL_CTX_set_alpn_protos");
OSSL_Debug("SSL ALPN values added");
}
if (RTEST(rb_attr_get(self, id_i_alpn_select_cb))) {
SSL_CTX_set_alpn_select_cb(ctx, ssl_alpn_select_cb, (void *) self);
OSSL_Debug("SSL ALPN select callback added");
}
#endif
rb_obj_freeze(self);
val = rb_attr_get(self, id_i_session_id_context);
if (!NIL_P(val)){
StringValue(val);
if (!SSL_CTX_set_session_id_context(ctx, (unsigned char *)RSTRING_PTR(val),
RSTRING_LENINT(val))){
ossl_raise(eSSLError, "SSL_CTX_set_session_id_context");
}
}
if (RTEST(rb_attr_get(self, id_i_session_get_cb))) {
SSL_CTX_sess_set_get_cb(ctx, ossl_sslctx_session_get_cb);
OSSL_Debug("SSL SESSION get callback added");
}
if (RTEST(rb_attr_get(self, id_i_session_new_cb))) {
SSL_CTX_sess_set_new_cb(ctx, ossl_sslctx_session_new_cb);
OSSL_Debug("SSL SESSION new callback added");
}
if (RTEST(rb_attr_get(self, id_i_session_remove_cb))) {
SSL_CTX_sess_set_remove_cb(ctx, ossl_sslctx_session_remove_cb);
OSSL_Debug("SSL SESSION remove callback added");
}
val = rb_attr_get(self, id_i_servername_cb);
if (!NIL_P(val)) {
SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
OSSL_Debug("SSL TLSEXT servername callback added");
}
return Qtrue;
}
static VALUE
ossl_ssl_cipher_to_ary(const SSL_CIPHER *cipher)
{
VALUE ary;
int bits, alg_bits;
ary = rb_ary_new2(4);
rb_ary_push(ary, rb_str_new2(SSL_CIPHER_get_name(cipher)));
rb_ary_push(ary, rb_str_new2(SSL_CIPHER_get_version(cipher)));
bits = SSL_CIPHER_get_bits(cipher, &alg_bits);
rb_ary_push(ary, INT2NUM(bits));
rb_ary_push(ary, INT2NUM(alg_bits));
return ary;
}
/*
* call-seq:
* ctx.ciphers => [[name, version, bits, alg_bits], ...]
*
* The list of cipher suites configured for this context.
*/
static VALUE
ossl_sslctx_get_ciphers(VALUE self)
{
SSL_CTX *ctx;
STACK_OF(SSL_CIPHER) *ciphers;
const SSL_CIPHER *cipher;
VALUE ary;
int i, num;
GetSSLCTX(self, ctx);
ciphers = SSL_CTX_get_ciphers(ctx);
if (!ciphers)
return rb_ary_new();
num = sk_SSL_CIPHER_num(ciphers);
ary = rb_ary_new2(num);
for(i = 0; i < num; i++){
cipher = sk_SSL_CIPHER_value(ciphers, i);
rb_ary_push(ary, ossl_ssl_cipher_to_ary(cipher));
}
return ary;
}
/*
* call-seq:
* ctx.ciphers = "cipher1:cipher2:..."
* ctx.ciphers = [name, ...]
* ctx.ciphers = [[name, version, bits, alg_bits], ...]
*
* Sets the list of available cipher suites for this context. Note in a server
* context some ciphers require the appropriate certificates. For example, an
* RSA cipher suite can only be chosen when an RSA certificate is available.
*/
static VALUE
ossl_sslctx_set_ciphers(VALUE self, VALUE v)
{
SSL_CTX *ctx;
VALUE str, elem;
int i;
rb_check_frozen(self);
if (NIL_P(v))
return v;
else if (RB_TYPE_P(v, T_ARRAY)) {
str = rb_str_new(0, 0);
for (i = 0; i < RARRAY_LEN(v); i++) {
elem = rb_ary_entry(v, i);
if (RB_TYPE_P(elem, T_ARRAY)) elem = rb_ary_entry(elem, 0);
elem = rb_String(elem);
rb_str_append(str, elem);
if (i < RARRAY_LEN(v)-1) rb_str_cat2(str, ":");
}
} else {
str = v;
StringValue(str);
}
GetSSLCTX(self, ctx);
if(!ctx){
ossl_raise(eSSLError, "SSL_CTX is not initialized.");
return Qnil;
}
if (!SSL_CTX_set_cipher_list(ctx, StringValueCStr(str))) {
ossl_raise(eSSLError, "SSL_CTX_set_cipher_list");
}
return v;
}
#if !defined(OPENSSL_NO_EC)
/*
* call-seq:
* ctx.ecdh_curves = curve_list -> curve_list
*
* Sets the list of "supported elliptic curves" for this context.
*
* For a TLS client, the list is directly used in the Supported Elliptic Curves
* Extension. For a server, the list is used by OpenSSL to determine the set of
* shared curves. OpenSSL will pick the most appropriate one from it.
*
* Note that this works differently with old OpenSSL (<= 1.0.1). Only one curve
* can be set, and this has no effect for TLS clients.
*
* === Example
* ctx1 = OpenSSL::SSL::SSLContext.new
* ctx1.ecdh_curves = "X25519:P-256:P-224"
* svr = OpenSSL::SSL::SSLServer.new(tcp_svr, ctx1)
* Thread.new { svr.accept }
*
* ctx2 = OpenSSL::SSL::SSLContext.new
* ctx2.ecdh_curves = "P-256"
* cli = OpenSSL::SSL::SSLSocket.new(tcp_sock, ctx2)
* cli.connect
*
* p cli.tmp_key.group.curve_name
* # => "prime256v1" (is an alias for NIST P-256)
*/
static VALUE
ossl_sslctx_set_ecdh_curves(VALUE self, VALUE arg)
{
SSL_CTX *ctx;
rb_check_frozen(self);
GetSSLCTX(self, ctx);
StringValueCStr(arg);
#if defined(HAVE_SSL_CTX_SET1_CURVES_LIST)
if (!SSL_CTX_set1_curves_list(ctx, RSTRING_PTR(arg)))
ossl_raise(eSSLError, NULL);
#else
/* OpenSSL does not have SSL_CTX_set1_curves_list()... Fallback to
* SSL_CTX_set_tmp_ecdh(). So only the first curve is used. */
{
VALUE curve, splitted;
EC_KEY *ec;
int nid;
splitted = rb_str_split(arg, ":");
if (!RARRAY_LEN(splitted))
ossl_raise(eSSLError, "invalid input format");
curve = RARRAY_AREF(splitted, 0);
StringValueCStr(curve);
/* SSL_CTX_set1_curves_list() accepts NIST names */
nid = EC_curve_nist2nid(RSTRING_PTR(curve));
if (nid == NID_undef)
nid = OBJ_txt2nid(RSTRING_PTR(curve));
if (nid == NID_undef)
ossl_raise(eSSLError, "unknown curve name");
ec = EC_KEY_new_by_curve_name(nid);
if (!ec)
ossl_raise(eSSLError, NULL);
EC_KEY_set_asn1_flag(ec, OPENSSL_EC_NAMED_CURVE);
if (!SSL_CTX_set_tmp_ecdh(ctx, ec)) {
EC_KEY_free(ec);
ossl_raise(eSSLError, "SSL_CTX_set_tmp_ecdh");
}
EC_KEY_free(ec);
# if defined(HAVE_SSL_CTX_SET_ECDH_AUTO)
/* tmp_ecdh and ecdh_auto conflict. tmp_ecdh is ignored when ecdh_auto
* is enabled. So disable ecdh_auto. */
if (!SSL_CTX_set_ecdh_auto(ctx, 0))
ossl_raise(eSSLError, "SSL_CTX_set_ecdh_auto");
# endif
}
#endif
return arg;
}
#else
#define ossl_sslctx_set_ecdh_curves rb_f_notimplement
#endif
/*
* call-seq:
* ctx.security_level -> Integer
*
* Returns the security level for the context.
*
* See also OpenSSL::SSL::SSLContext#security_level=.
*/
static VALUE
ossl_sslctx_get_security_level(VALUE self)
{
SSL_CTX *ctx;
GetSSLCTX(self, ctx);
#if defined(HAVE_SSL_CTX_GET_SECURITY_LEVEL)
return INT2NUM(SSL_CTX_get_security_level(ctx));
#else
(void)ctx;
return INT2FIX(0);
#endif
}
/*
* call-seq:
* ctx.security_level = integer
*
* Sets the security level for the context. OpenSSL limits parameters according
* to the level. The "parameters" include: ciphersuites, curves, key sizes,
* certificate signature algorithms, protocol version and so on. For example,
* level 1 rejects parameters offering below 80 bits of security, such as
* ciphersuites using MD5 for the MAC or RSA keys shorter than 1024 bits.
*
* Note that attempts to set such parameters with insufficient security are
* also blocked. You need to lower the level first.
*
* This feature is not supported in OpenSSL < 1.1.0, and setting the level to
* other than 0 will raise NotImplementedError. Level 0 means everything is
* permitted, the same behavior as previous versions of OpenSSL.
*
* See the manpage of SSL_CTX_set_security_level(3) for details.
*/
static VALUE
ossl_sslctx_set_security_level(VALUE self, VALUE value)
{
SSL_CTX *ctx;
rb_check_frozen(self);
GetSSLCTX(self, ctx);
#if defined(HAVE_SSL_CTX_GET_SECURITY_LEVEL)
SSL_CTX_set_security_level(ctx, NUM2INT(value));
#else
(void)ctx;
if (NUM2INT(value) != 0)
ossl_raise(rb_eNotImpError, "setting security level to other than 0 is "
"not supported in this version of OpenSSL");
#endif
return value;
}
/*
* call-seq:
* ctx.session_add(session) -> true | false
*
* Adds _session_ to the session cache.
*/
static VALUE
ossl_sslctx_session_add(VALUE self, VALUE arg)
{
SSL_CTX *ctx;
SSL_SESSION *sess;
GetSSLCTX(self, ctx);
GetSSLSession(arg, sess);
return SSL_CTX_add_session(ctx, sess) == 1 ? Qtrue : Qfalse;
}
/*
* call-seq:
* ctx.session_remove(session) -> true | false
*
* Removes _session_ from the session cache.
*/
static VALUE
ossl_sslctx_session_remove(VALUE self, VALUE arg)
{
SSL_CTX *ctx;
SSL_SESSION *sess;
GetSSLCTX(self, ctx);
GetSSLSession(arg, sess);
return SSL_CTX_remove_session(ctx, sess) == 1 ? Qtrue : Qfalse;
}
/*
* call-seq:
* ctx.session_cache_mode -> Integer
*
* The current session cache mode.
*/
static VALUE
ossl_sslctx_get_session_cache_mode(VALUE self)
{
SSL_CTX *ctx;
GetSSLCTX(self, ctx);
return LONG2NUM(SSL_CTX_get_session_cache_mode(ctx));
}
/*
* call-seq:
* ctx.session_cache_mode=(integer) -> Integer
*
* Sets the SSL session cache mode. Bitwise-or together the desired
* SESSION_CACHE_* constants to set. See SSL_CTX_set_session_cache_mode(3) for
* details.
*/
static VALUE
ossl_sslctx_set_session_cache_mode(VALUE self, VALUE arg)
{
SSL_CTX *ctx;
GetSSLCTX(self, ctx);
SSL_CTX_set_session_cache_mode(ctx, NUM2LONG(arg));
return arg;
}
/*
* call-seq:
* ctx.session_cache_size -> Integer
*
* Returns the current session cache size. Zero is used to represent an
* unlimited cache size.
*/
static VALUE
ossl_sslctx_get_session_cache_size(VALUE self)
{
SSL_CTX *ctx;
GetSSLCTX(self, ctx);
return LONG2NUM(SSL_CTX_sess_get_cache_size(ctx));
}
/*
* call-seq:
* ctx.session_cache_size=(integer) -> Integer
*
* Sets the session cache size. Returns the previously valid session cache
* size. Zero is used to represent an unlimited session cache size.
*/
static VALUE
ossl_sslctx_set_session_cache_size(VALUE self, VALUE arg)
{
SSL_CTX *ctx;
GetSSLCTX(self, ctx);
SSL_CTX_sess_set_cache_size(ctx, NUM2LONG(arg));
return arg;
}
/*
* call-seq:
* ctx.session_cache_stats -> Hash
*
* Returns a Hash containing the following keys:
*
* :accept:: Number of started SSL/TLS handshakes in server mode
* :accept_good:: Number of established SSL/TLS sessions in server mode
* :accept_renegotiate:: Number of start renegotiations in server mode
* :cache_full:: Number of sessions that were removed due to cache overflow
* :cache_hits:: Number of successfully reused connections
* :cache_misses:: Number of sessions proposed by clients that were not found
* in the cache
* :cache_num:: Number of sessions in the internal session cache
* :cb_hits:: Number of sessions retrieved from the external cache in server
* mode
* :connect:: Number of started SSL/TLS handshakes in client mode
* :connect_good:: Number of established SSL/TLS sessions in client mode
* :connect_renegotiate:: Number of start renegotiations in client mode
* :timeouts:: Number of sessions proposed by clients that were found in the
* cache but had expired due to timeouts
*/
static VALUE
ossl_sslctx_get_session_cache_stats(VALUE self)
{
SSL_CTX *ctx;
VALUE hash;
GetSSLCTX(self, ctx);
hash = rb_hash_new();
rb_hash_aset(hash, ID2SYM(rb_intern("cache_num")), LONG2NUM(SSL_CTX_sess_number(ctx)));
rb_hash_aset(hash, ID2SYM(rb_intern("connect")), LONG2NUM(SSL_CTX_sess_connect(ctx)));
rb_hash_aset(hash, ID2SYM(rb_intern("connect_good")), LONG2NUM(SSL_CTX_sess_connect_good(ctx)));
rb_hash_aset(hash, ID2SYM(rb_intern("connect_renegotiate")), LONG2NUM(SSL_CTX_sess_connect_renegotiate(ctx)));
rb_hash_aset(hash, ID2SYM(rb_intern("accept")), LONG2NUM(SSL_CTX_sess_accept(ctx)));
rb_hash_aset(hash, ID2SYM(rb_intern("accept_good")), LONG2NUM(SSL_CTX_sess_accept_good(ctx)));
rb_hash_aset(hash, ID2SYM(rb_intern("accept_renegotiate")), LONG2NUM(SSL_CTX_sess_accept_renegotiate(ctx)));
rb_hash_aset(hash, ID2SYM(rb_intern("cache_hits")), LONG2NUM(SSL_CTX_sess_hits(ctx)));
rb_hash_aset(hash, ID2SYM(rb_intern("cb_hits")), LONG2NUM(SSL_CTX_sess_cb_hits(ctx)));
rb_hash_aset(hash, ID2SYM(rb_intern("cache_misses")), LONG2NUM(SSL_CTX_sess_misses(ctx)));
rb_hash_aset(hash, ID2SYM(rb_intern("cache_full")), LONG2NUM(SSL_CTX_sess_cache_full(ctx)));
rb_hash_aset(hash, ID2SYM(rb_intern("timeouts")), LONG2NUM(SSL_CTX_sess_timeouts(ctx)));
return hash;
}
/*
* call-seq:
* ctx.flush_sessions(time) -> self
*
* Removes sessions in the internal cache that have expired at _time_.
*/
static VALUE
ossl_sslctx_flush_sessions(int argc, VALUE *argv, VALUE self)
{
VALUE arg1;
SSL_CTX *ctx;
time_t tm = 0;
rb_scan_args(argc, argv, "01", &arg1);
GetSSLCTX(self, ctx);
if (NIL_P(arg1)) {
tm = time(0);
} else if (rb_obj_is_instance_of(arg1, rb_cTime)) {
tm = NUM2LONG(rb_funcall(arg1, rb_intern("to_i"), 0));
} else {
ossl_raise(rb_eArgError, "arg must be Time or nil");
}
SSL_CTX_flush_sessions(ctx, (long)tm);
return self;
}
/*
* SSLSocket class
*/
#ifndef OPENSSL_NO_SOCK
static inline int
ssl_started(SSL *ssl)
{
/* the FD is set in ossl_ssl_setup(), called by #connect or #accept */
return SSL_get_fd(ssl) >= 0;
}
static void
ossl_ssl_free(void *ssl)
{
SSL_free(ssl);
}
const rb_data_type_t ossl_ssl_type = {
"OpenSSL/SSL",
{
0, ossl_ssl_free,
},
0, 0, RUBY_TYPED_FREE_IMMEDIATELY,
};
static VALUE
ossl_ssl_s_alloc(VALUE klass)
{
return TypedData_Wrap_Struct(klass, &ossl_ssl_type, NULL);
}
/*
* call-seq:
* SSLSocket.new(io) => aSSLSocket
* SSLSocket.new(io, ctx) => aSSLSocket
*
* 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_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;
}
static VALUE
ossl_ssl_setup(VALUE self)
{
VALUE io;
SSL *ssl;
rb_io_t *fptr;
GetSSL(self, ssl);
if (ssl_started(ssl))
return Qtrue;
io = rb_attr_get(self, id_i_io);
GetOpenFile(io, fptr);
rb_io_check_readable(fptr);
rb_io_check_writable(fptr);
if (!SSL_set_fd(ssl, TO_SOCKET(fptr->fd)))
ossl_raise(eSSLError, "SSL_set_fd");
return Qtrue;
}
#ifdef _WIN32
#define ssl_get_error(ssl, ret) (errno = rb_w32_map_errno(WSAGetLastError()), SSL_get_error((ssl), (ret)))
#else
#define ssl_get_error(ssl, ret) SSL_get_error((ssl), (ret))
#endif
static void
write_would_block(int nonblock)
{
if (nonblock)
ossl_raise(eSSLErrorWaitWritable, "write would block");
}
static void
read_would_block(int nonblock)
{
if (nonblock)
ossl_raise(eSSLErrorWaitReadable, "read would block");
}
static int
no_exception_p(VALUE opts)
{
if (RB_TYPE_P(opts, T_HASH) &&
rb_hash_lookup2(opts, sym_exception, Qundef) == Qfalse)
return 1;
return 0;
}
static VALUE
ossl_start_ssl(VALUE self, int (*func)(), const char *funcname, VALUE opts)
{
SSL *ssl;
rb_io_t *fptr;
int ret, ret2;
VALUE cb_state;
int nonblock = opts != Qfalse;
#if defined(SSL_R_CERTIFICATE_VERIFY_FAILED)
unsigned long err;
#endif
rb_ivar_set(self, ID_callback_state, Qnil);
GetSSL(self, ssl);
GetOpenFile(rb_attr_get(self, id_i_io), fptr);
for(;;){
ret = func(ssl);
cb_state = rb_attr_get(self, ID_callback_state);
if (!NIL_P(cb_state)) {
/* must cleanup OpenSSL error stack before re-raising */
ossl_clear_error();
rb_jump_tag(NUM2INT(cb_state));
}
if (ret > 0)
break;
switch((ret2 = ssl_get_error(ssl, ret))){
case SSL_ERROR_WANT_WRITE:
if (no_exception_p(opts)) { return sym_wait_writable; }
write_would_block(nonblock);
rb_io_wait_writable(fptr->fd);
continue;
case SSL_ERROR_WANT_READ:
if (no_exception_p(opts)) { return sym_wait_readable; }
read_would_block(nonblock);
rb_io_wait_readable(fptr->fd);
continue;
case SSL_ERROR_SYSCALL:
if (errno) rb_sys_fail(funcname);
ossl_raise(eSSLError, "%s SYSCALL returned=%d errno=%d state=%s", funcname, ret2, errno, SSL_state_string_long(ssl));
#if defined(SSL_R_CERTIFICATE_VERIFY_FAILED)
case SSL_ERROR_SSL:
err = ERR_peek_last_error();
if (ERR_GET_LIB(err) == ERR_LIB_SSL &&
ERR_GET_REASON(err) == SSL_R_CERTIFICATE_VERIFY_FAILED) {
const char *err_msg = ERR_reason_error_string(err),
*verify_msg = X509_verify_cert_error_string(SSL_get_verify_result(ssl));
if (!err_msg)
err_msg = "(null)";
if (!verify_msg)
verify_msg = "(null)";
ossl_clear_error(); /* let ossl_raise() not append message */
ossl_raise(eSSLError, "%s returned=%d errno=%d state=%s: %s (%s)",
funcname, ret2, errno, SSL_state_string_long(ssl),
err_msg, verify_msg);
}
#endif
default:
ossl_raise(eSSLError, "%s returned=%d errno=%d state=%s", funcname, ret2, errno, SSL_state_string_long(ssl));
}
}
return self;
}
/*
* call-seq:
* ssl.connect => self
*
* 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);
}
/*
* call-seq:
* ssl.connect_nonblock([options]) => self
*
* 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_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);
}
/*
* call-seq:
* ssl.accept => self
*
* 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);
}
/*
* call-seq:
* ssl.accept_nonblock([options]) => self
*
* 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_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);
}
static VALUE
ossl_ssl_read_internal(int argc, VALUE *argv, VALUE self, int nonblock)
{
SSL *ssl;
int ilen, nread = 0;
VALUE len, str;
rb_io_t *fptr;
VALUE io, opts = Qnil;
if (nonblock) {
rb_scan_args(argc, argv, "11:", &len, &str, &opts);
} else {
rb_scan_args(argc, argv, "11", &len, &str);
}
ilen = NUM2INT(len);
if (NIL_P(str))
str = rb_str_new(0, ilen);
else {
StringValue(str);
if (RSTRING_LEN(str) >= ilen)
rb_str_modify(str);
else
rb_str_modify_expand(str, ilen - RSTRING_LEN(str));
}
OBJ_TAINT(str);
rb_str_set_len(str, 0);
if (ilen == 0)
return str;
GetSSL(self, ssl);
io = rb_attr_get(self, id_i_io);
GetOpenFile(io, fptr);
if (ssl_started(ssl)) {
for (;;){
nread = SSL_read(ssl, RSTRING_PTR(str), ilen);
switch(ssl_get_error(ssl, nread)){
case SSL_ERROR_NONE:
goto end;
case SSL_ERROR_ZERO_RETURN:
if (no_exception_p(opts)) { return Qnil; }
rb_eof_error();
case SSL_ERROR_WANT_WRITE:
if (no_exception_p(opts)) { return sym_wait_writable; }
write_would_block(nonblock);
rb_io_wait_writable(fptr->fd);
continue;
case SSL_ERROR_WANT_READ:
if (no_exception_p(opts)) { return sym_wait_readable; }
read_would_block(nonblock);
rb_io_wait_readable(fptr->fd);
continue;
case SSL_ERROR_SYSCALL:
if (!ERR_peek_error()) {
if (errno)
rb_sys_fail(0);
else {
/*
* The underlying BIO returned 0. This is actually a
* protocol error. But unfortunately, not all
* implementations cleanly shutdown the TLS connection
* but just shutdown/close the TCP connection. So report
* EOF for now...
*/
if (no_exception_p(opts)) { return Qnil; }
rb_eof_error();
}
}
default:
ossl_raise(eSSLError, "SSL_read");
}
}
}
else {
ID meth = nonblock ? rb_intern("read_nonblock") : rb_intern("sysread");
rb_warning("SSL session is not started yet.");
if (nonblock)
return rb_funcall(io, meth, 3, len, str, opts);
else
return rb_funcall(io, meth, 2, len, str);
}
end:
rb_str_set_len(str, nread);
return str;
}
/*
* call-seq:
* ssl.sysread(length) => string
* ssl.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);
}
/*
* call-seq:
* ssl.sysread_nonblock(length) => string
* ssl.sysread_nonblock(length, buffer) => buffer
* ssl.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);
}
static VALUE
ossl_ssl_write_internal(VALUE self, VALUE str, VALUE opts)
{
SSL *ssl;
int nwrite = 0;
rb_io_t *fptr;
int nonblock = opts != Qfalse;
VALUE io;
StringValue(str);
GetSSL(self, ssl);
io = rb_attr_get(self, id_i_io);
GetOpenFile(io, fptr);
if (ssl_started(ssl)) {
for (;;){
int num = RSTRING_LENINT(str);
/* SSL_write(3ssl) manpage states num == 0 is undefined */
if (num == 0)
goto end;
nwrite = SSL_write(ssl, RSTRING_PTR(str), num);
switch(ssl_get_error(ssl, nwrite)){
case SSL_ERROR_NONE:
goto end;
case SSL_ERROR_WANT_WRITE:
if (no_exception_p(opts)) { return sym_wait_writable; }
write_would_block(nonblock);
rb_io_wait_writable(fptr->fd);
continue;
case SSL_ERROR_WANT_READ:
if (no_exception_p(opts)) { return sym_wait_readable; }
read_would_block(nonblock);
rb_io_wait_readable(fptr->fd);
continue;
case SSL_ERROR_SYSCALL:
if (errno) rb_sys_fail(0);
default:
ossl_raise(eSSLError, "SSL_write");
}
}
}
else {
ID meth = nonblock ?
rb_intern("write_nonblock") : rb_intern("syswrite");
rb_warning("SSL session is not started yet.");
if (nonblock)
return rb_funcall(io, meth, 2, str, opts);
else
return rb_funcall(io, meth, 1, str);
}
end:
return INT2NUM(nwrite);
}
/*
* call-seq:
* ssl.syswrite(string) => Integer
*
* Writes _string_ to the SSL connection.
*/
static VALUE
ossl_ssl_write(VALUE self, VALUE str)
{
return ossl_ssl_write_internal(self, str, Qfalse);
}
/*
* call-seq:
* ssl.syswrite_nonblock(string) => Integer
*
* 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);
}
/*
* call-seq:
* ssl.stop => nil
*
* Sends "close notify" to the peer and tries to shut down the SSL connection
* gracefully.
*/
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;
}
/*
* call-seq:
* ssl.cert => cert or nil
*
* The X509 certificate for this socket endpoint.
*/
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);
}
/*
* call-seq:
* ssl.peer_cert => cert or nil
*
* The X509 certificate for this socket's peer.
*/
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;
}
/*
* call-seq:
* ssl.peer_cert_chain => [cert, ...] or nil
*
* 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;
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;
}
/*
* call-seq:
* ssl.ssl_version => String
*
* 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;
GetSSL(self, ssl);
return rb_str_new2(SSL_get_version(ssl));
}
/*
* call-seq:
* ssl.cipher -> nil or [name, version, bits, alg_bits]
*
* Returns the cipher suite actually used in the current session, or nil if
* no session has been established.
*/
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;
}
/*
* call-seq:
* ssl.state => string
*
* A description of the current connection state. This is for diagnostic
* purposes only.
*/
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;
}
/*
* call-seq:
* ssl.pending => Integer
*
* The number of bytes that are immediately available for reading.
*/
static VALUE
ossl_ssl_pending(VALUE self)
{
SSL *ssl;
GetSSL(self, ssl);
return INT2NUM(SSL_pending(ssl));
}
/*
* call-seq:
* ssl.session_reused? -> true | false
*
* Returns +true+ if a reused session was negotiated during the handshake.
*/
static VALUE
ossl_ssl_session_reused(VALUE self)
{
SSL *ssl;
GetSSL(self, ssl);
return SSL_session_reused(ssl) ? Qtrue : Qfalse;
}
/*
* call-seq:
* ssl.session = session -> session
*
* 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;
GetSSL(self, ssl);
GetSSLSession(arg1, sess);
if (SSL_set_session(ssl, sess) != 1)
ossl_raise(eSSLError, "SSL_set_session");
return arg1;
}
/*
* call-seq:
* ssl.hostname = hostname -> hostname
*
* Sets the server hostname used for SNI. This needs to be set before
* SSLSocket#connect.
*/
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;
}
/*
* call-seq:
* ssl.verify_result => Integer
*
* 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;
GetSSL(self, ssl);
return INT2NUM(SSL_get_verify_result(ssl));
}
/*
* call-seq:
* ssl.client_ca => [x509name, ...]
*
* 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;
GetSSL(self, ssl);
ca = SSL_get_client_CA_list(ssl);
return ossl_x509name_sk2ary(ca);
}
# ifndef OPENSSL_NO_NEXTPROTONEG
/*
* call-seq:
* ssl.npn_protocol => String | nil
*
* 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;
GetSSL(self, ssl);
SSL_get0_next_proto_negotiated(ssl, &out, &outlen);
if (!outlen)
return Qnil;
else
return rb_str_new((const char *) out, outlen);
}
# endif
# ifdef HAVE_SSL_CTX_SET_ALPN_SELECT_CB
/*
* call-seq:
* ssl.alpn_protocol => String | nil
*
* Returns the ALPN protocol string that was finally selected by the server
* during the handshake.
*/
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);
}
# endif
# ifdef HAVE_SSL_GET_SERVER_TMP_KEY
/*
* call-seq:
* ssl.tmp_key => PKey or nil
*
* Returns the ephemeral key used in case of forward secrecy cipher.
*/
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);
}
# endif /* defined(HAVE_SSL_GET_SERVER_TMP_KEY) */
#endif /* !defined(OPENSSL_NO_SOCK) */
#undef rb_intern
#define rb_intern(s) rb_intern_const(s)
void
Init_ossl_ssl(void)
{
#if 0
mOSSL = rb_define_module("OpenSSL");
eOSSLError = rb_define_class_under(mOSSL, "OpenSSLError", rb_eStandardError);
rb_mWaitReadable = rb_define_module_under(rb_cIO, "WaitReadable");
rb_mWaitWritable = rb_define_module_under(rb_cIO, "WaitWritable");
#endif
ID_callback_state = rb_intern("callback_state");
ossl_ssl_ex_vcb_idx = SSL_get_ex_new_index(0, (void *)"ossl_ssl_ex_vcb_idx", 0, 0, 0);
if (ossl_ssl_ex_vcb_idx < 0)
ossl_raise(rb_eRuntimeError, "SSL_get_ex_new_index");
ossl_ssl_ex_ptr_idx = SSL_get_ex_new_index(0, (void *)"ossl_ssl_ex_ptr_idx", 0, 0, 0);
if (ossl_ssl_ex_ptr_idx < 0)
ossl_raise(rb_eRuntimeError, "SSL_get_ex_new_index");
ossl_sslctx_ex_ptr_idx = SSL_CTX_get_ex_new_index(0, (void *)"ossl_sslctx_ex_ptr_idx", 0, 0, 0);
if (ossl_sslctx_ex_ptr_idx < 0)
ossl_raise(rb_eRuntimeError, "SSL_CTX_get_ex_new_index");
#if !defined(HAVE_X509_STORE_UP_REF)
ossl_sslctx_ex_store_p = SSL_CTX_get_ex_new_index(0, (void *)"ossl_sslctx_ex_store_p", 0, 0, 0);
if (ossl_sslctx_ex_store_p < 0)
ossl_raise(rb_eRuntimeError, "SSL_CTX_get_ex_new_index");
#endif
/* Document-module: OpenSSL::SSL
*
* Use SSLContext to set up the parameters for a TLS (former SSL)
* connection. Both client and server TLS connections are supported,
* SSLSocket and SSLServer may be used in conjunction with an instance
* of SSLContext to set up connections.
*/
mSSL = rb_define_module_under(mOSSL, "SSL");
/* Document-module: OpenSSL::ExtConfig
*
* This module contains configuration information about the SSL extension,
* for example if socket support is enabled, or the host name TLS extension
* is enabled. Constants in this module will always be defined, but contain
* +true+ or +false+ values depending on the configuration of your OpenSSL
* installation.
*/
mSSLExtConfig = rb_define_module_under(mOSSL, "ExtConfig");
/* Document-class: OpenSSL::SSL::SSLError
*
* Generic error class raised by SSLSocket and SSLContext.
*/
eSSLError = rb_define_class_under(mSSL, "SSLError", eOSSLError);
eSSLErrorWaitReadable = rb_define_class_under(mSSL, "SSLErrorWaitReadable", eSSLError);
rb_include_module(eSSLErrorWaitReadable, rb_mWaitReadable);
eSSLErrorWaitWritable = rb_define_class_under(mSSL, "SSLErrorWaitWritable", eSSLError);
rb_include_module(eSSLErrorWaitWritable, rb_mWaitWritable);
Init_ossl_ssl_session();
/* Document-class: OpenSSL::SSL::SSLContext
*
* An SSLContext is used to set various options regarding certificates,
* algorithms, verification, session caching, etc. The SSLContext is
* used to create an SSLSocket.
*
* All attributes must be set before creating an SSLSocket as the
* SSLContext will be frozen afterward.
*/
cSSLContext = rb_define_class_under(mSSL, "SSLContext", rb_cObject);
rb_define_alloc_func(cSSLContext, ossl_sslctx_s_alloc);
rb_undef_method(cSSLContext, "initialize_copy");
/*
* Context certificate
*/
rb_attr(cSSLContext, rb_intern("cert"), 1, 1, Qfalse);
/*
* Context private key
*/
rb_attr(cSSLContext, rb_intern("key"), 1, 1, Qfalse);
/*
* A certificate or Array of certificates that will be sent to the client.
*/
rb_attr(cSSLContext, rb_intern("client_ca"), 1, 1, Qfalse);
/*
* The path to a file containing a PEM-format CA certificate
*/
rb_attr(cSSLContext, rb_intern("ca_file"), 1, 1, Qfalse);
/*
* The path to a directory containing CA certificates in PEM format.
*
* Files are looked up by subject's X509 name's hash value.
*/
rb_attr(cSSLContext, rb_intern("ca_path"), 1, 1, Qfalse);
/*
* Maximum session lifetime in seconds.
*/
rb_attr(cSSLContext, rb_intern("timeout"), 1, 1, Qfalse);
/*
* Session verification mode.
*
* Valid modes are VERIFY_NONE, VERIFY_PEER, VERIFY_CLIENT_ONCE,
* VERIFY_FAIL_IF_NO_PEER_CERT and defined on OpenSSL::SSL
*
* The default mode is VERIFY_NONE, which does not perform any verification
* at all.
*
* See SSL_CTX_set_verify(3) for details.
*/
rb_attr(cSSLContext, rb_intern("verify_mode"), 1, 1, Qfalse);
/*
* Number of CA certificates to walk when verifying a certificate chain.
*/
rb_attr(cSSLContext, rb_intern("verify_depth"), 1, 1, Qfalse);
/*
* A callback for additional certificate verification. The callback is
* invoked for each certificate in the chain.
*
* The callback is invoked with two values. _preverify_ok_ indicates
* indicates if the verification was passed (+true+) or not (+false+).
* _store_context_ is an OpenSSL::X509::StoreContext containing the
* context used for certificate verification.
*
* If the callback returns +false+, the chain verification is immediately
* stopped and a bad_certificate alert is then sent.
*/
rb_attr(cSSLContext, rb_intern("verify_callback"), 1, 1, Qfalse);
/*
* Whether to check the server certificate is valid for the hostname.
*
* In order to make this work, verify_mode must be set to VERIFY_PEER and
* the server hostname must be given by OpenSSL::SSL::SSLSocket#hostname=.
*/
rb_attr(cSSLContext, rb_intern("verify_hostname"), 1, 1, Qfalse);
/*
* An OpenSSL::X509::Store used for certificate verification.
*/
rb_attr(cSSLContext, rb_intern("cert_store"), 1, 1, Qfalse);
/*
* An Array of extra X509 certificates to be added to the certificate
* chain.
*/
rb_attr(cSSLContext, rb_intern("extra_chain_cert"), 1, 1, Qfalse);
/*
* A callback invoked when a client certificate is requested by a server
* and no certificate has been set.
*
* The callback is invoked with a Session and must return an Array
* containing an OpenSSL::X509::Certificate and an OpenSSL::PKey. If any
* other value is returned the handshake is suspended.
*/
rb_attr(cSSLContext, rb_intern("client_cert_cb"), 1, 1, Qfalse);
#if !defined(OPENSSL_NO_EC) && defined(HAVE_SSL_CTX_SET_TMP_ECDH_CALLBACK)
/*
* A callback invoked when ECDH parameters are required.
*
* The callback is invoked with the Session for the key exchange, an
* flag indicating the use of an export cipher and the keylength
* required.
*
* The callback is deprecated. This does not work with recent versions of
* OpenSSL. Use OpenSSL::SSL::SSLContext#ecdh_curves= instead.
*/
rb_attr(cSSLContext, rb_intern("tmp_ecdh_callback"), 1, 1, Qfalse);
#endif
/*
* Sets the context in which a session can be reused. This allows
* sessions for multiple applications to be distinguished, for example, by
* name.
*/
rb_attr(cSSLContext, rb_intern("session_id_context"), 1, 1, Qfalse);
/*
* A callback invoked on a server when a session is proposed by the client
* but the session could not be found in the server's internal cache.
*
* The callback is invoked with the SSLSocket and session id. The
* callback may return a Session from an external cache.
*/
rb_attr(cSSLContext, rb_intern("session_get_cb"), 1, 1, Qfalse);
/*
* A callback invoked when a new session was negotiated.
*
* The callback is invoked with an SSLSocket. If +false+ is returned the
* session will be removed from the internal cache.
*/
rb_attr(cSSLContext, rb_intern("session_new_cb"), 1, 1, Qfalse);
/*
* A callback invoked when a session is removed from the internal cache.
*
* The callback is invoked with an SSLContext and a Session.
*
* IMPORTANT NOTE: It is currently not possible to use this safely in a
* multi-threaded application. The callback is called inside a global lock
* and it can randomly cause deadlock on Ruby thread switching.
*/
rb_attr(cSSLContext, rb_intern("session_remove_cb"), 1, 1, Qfalse);
rb_define_const(mSSLExtConfig, "HAVE_TLSEXT_HOST_NAME", Qtrue);
/*
* A callback invoked whenever a new handshake is initiated. May be used
* to disable renegotiation entirely.
*
* The callback is invoked with the active SSLSocket. The callback's
* return value is irrelevant, normal return indicates "approval" of the
* renegotiation and will continue the process. To forbid renegotiation
* and to cancel the process, an Error may be raised within the callback.
*
* === Disable client renegotiation
*
* When running a server, it is often desirable to disable client
* renegotiation entirely. You may use a callback as follows to implement
* this feature:
*
* num_handshakes = 0
* ctx.renegotiation_cb = lambda do |ssl|
* num_handshakes += 1
* raise RuntimeError.new("Client renegotiation disabled") if num_handshakes > 1
* end
*/
rb_attr(cSSLContext, rb_intern("renegotiation_cb"), 1, 1, Qfalse);
#ifndef OPENSSL_NO_NEXTPROTONEG
/*
* An Enumerable of Strings. Each String represents a protocol to be
* advertised as the list of supported protocols for Next Protocol
* Negotiation. Supported in OpenSSL 1.0.1 and higher. Has no effect
* on the client side. If not set explicitly, the NPN extension will
* not be sent by the server in the handshake.
*
* === Example
*
* ctx.npn_protocols = ["http/1.1", "spdy/2"]
*/
rb_attr(cSSLContext, rb_intern("npn_protocols"), 1, 1, Qfalse);
/*
* A callback invoked on the client side when the client needs to select
* a protocol from the list sent by the server. Supported in OpenSSL 1.0.1
* and higher. The client MUST select a protocol of those advertised by
* the server. If none is acceptable, raising an error in the callback
* will cause the handshake to fail. Not setting this callback explicitly
* means not supporting the NPN extension on the client - any protocols
* advertised by the server will be ignored.
*
* === Example
*
* ctx.npn_select_cb = lambda do |protocols|
* # inspect the protocols and select one
* protocols.first
* end
*/
rb_attr(cSSLContext, rb_intern("npn_select_cb"), 1, 1, Qfalse);
#endif
#ifdef HAVE_SSL_CTX_SET_ALPN_SELECT_CB
/*
* An Enumerable of Strings. Each String represents a protocol to be
* advertised as the list of supported protocols for Application-Layer
* Protocol Negotiation. Supported in OpenSSL 1.0.2 and higher. Has no
* effect on the server side. If not set explicitly, the ALPN extension will
* not be included in the handshake.
*
* === Example
*
* ctx.alpn_protocols = ["http/1.1", "spdy/2", "h2"]
*/
rb_attr(cSSLContext, rb_intern("alpn_protocols"), 1, 1, Qfalse);
/*
* A callback invoked on the server side when the server needs to select
* a protocol from the list sent by the client. Supported in OpenSSL 1.0.2
* and higher. The callback must return a protocol of those advertised by
* the client. If none is acceptable, raising an error in the callback
* will cause the handshake to fail. Not setting this callback explicitly
* means not supporting the ALPN extension on the server - any protocols
* advertised by the client will be ignored.
*
* === Example
*
* ctx.alpn_select_cb = lambda do |protocols|
* # inspect the protocols and select one
* protocols.first
* end
*/
rb_attr(cSSLContext, rb_intern("alpn_select_cb"), 1, 1, Qfalse);
#endif
rb_define_alias(cSSLContext, "ssl_timeout", "timeout");
rb_define_alias(cSSLContext, "ssl_timeout=", "timeout=");
rb_define_private_method(cSSLContext, "set_minmax_proto_version",
ossl_sslctx_set_minmax_proto_version, 2);
rb_define_method(cSSLContext, "ciphers", ossl_sslctx_get_ciphers, 0);
rb_define_method(cSSLContext, "ciphers=", ossl_sslctx_set_ciphers, 1);
rb_define_method(cSSLContext, "ecdh_curves=", ossl_sslctx_set_ecdh_curves, 1);
rb_define_method(cSSLContext, "security_level", ossl_sslctx_get_security_level, 0);
rb_define_method(cSSLContext, "security_level=", ossl_sslctx_set_security_level, 1);
rb_define_method(cSSLContext, "setup", ossl_sslctx_setup, 0);
rb_define_alias(cSSLContext, "freeze", "setup");
/*
* No session caching for client or server
*/
rb_define_const(cSSLContext, "SESSION_CACHE_OFF", LONG2NUM(SSL_SESS_CACHE_OFF));
/*
* Client sessions are added to the session cache
*/
rb_define_const(cSSLContext, "SESSION_CACHE_CLIENT", LONG2NUM(SSL_SESS_CACHE_CLIENT)); /* doesn't actually do anything in 0.9.8e */
/*
* Server sessions are added to the session cache
*/
rb_define_const(cSSLContext, "SESSION_CACHE_SERVER", LONG2NUM(SSL_SESS_CACHE_SERVER));
/*
* Both client and server sessions are added to the session cache
*/
rb_define_const(cSSLContext, "SESSION_CACHE_BOTH", LONG2NUM(SSL_SESS_CACHE_BOTH)); /* no different than CACHE_SERVER in 0.9.8e */
/*
* Normally the session cache is checked for expired sessions every 255
* connections. Since this may lead to a delay that cannot be controlled,
* the automatic flushing may be disabled and #flush_sessions can be
* called explicitly.
*/
rb_define_const(cSSLContext, "SESSION_CACHE_NO_AUTO_CLEAR", LONG2NUM(SSL_SESS_CACHE_NO_AUTO_CLEAR));
/*
* Always perform external lookups of sessions even if they are in the
* internal cache.
*
* This flag has no effect on clients
*/
rb_define_const(cSSLContext, "SESSION_CACHE_NO_INTERNAL_LOOKUP", LONG2NUM(SSL_SESS_CACHE_NO_INTERNAL_LOOKUP));
/*
* Never automatically store sessions in the internal store.
*/
rb_define_const(cSSLContext, "SESSION_CACHE_NO_INTERNAL_STORE", LONG2NUM(SSL_SESS_CACHE_NO_INTERNAL_STORE));
/*
* Enables both SESSION_CACHE_NO_INTERNAL_LOOKUP and
* SESSION_CACHE_NO_INTERNAL_STORE.
*/
rb_define_const(cSSLContext, "SESSION_CACHE_NO_INTERNAL", LONG2NUM(SSL_SESS_CACHE_NO_INTERNAL));
rb_define_method(cSSLContext, "session_add", ossl_sslctx_session_add, 1);
rb_define_method(cSSLContext, "session_remove", ossl_sslctx_session_remove, 1);
rb_define_method(cSSLContext, "session_cache_mode", ossl_sslctx_get_session_cache_mode, 0);
rb_define_method(cSSLContext, "session_cache_mode=", ossl_sslctx_set_session_cache_mode, 1);
rb_define_method(cSSLContext, "session_cache_size", ossl_sslctx_get_session_cache_size, 0);
rb_define_method(cSSLContext, "session_cache_size=", ossl_sslctx_set_session_cache_size, 1);
rb_define_method(cSSLContext, "session_cache_stats", ossl_sslctx_get_session_cache_stats, 0);
rb_define_method(cSSLContext, "flush_sessions", ossl_sslctx_flush_sessions, -1);
rb_define_method(cSSLContext, "options", ossl_sslctx_get_options, 0);
rb_define_method(cSSLContext, "options=", ossl_sslctx_set_options, 1);
/*
* Document-class: OpenSSL::SSL::SSLSocket
*/
cSSLSocket = rb_define_class_under(mSSL, "SSLSocket", rb_cObject);
#ifdef OPENSSL_NO_SOCK
rb_define_const(mSSLExtConfig, "OPENSSL_NO_SOCK", Qtrue);
rb_define_method(cSSLSocket, "initialize", rb_f_notimplement, -1);
#else
rb_define_const(mSSLExtConfig, "OPENSSL_NO_SOCK", Qfalse);
rb_define_alloc_func(cSSLSocket, ossl_ssl_s_alloc);
rb_define_method(cSSLSocket, "initialize", ossl_ssl_initialize, -1);
rb_undef_method(cSSLSocket, "initialize_copy");
rb_define_method(cSSLSocket, "connect", ossl_ssl_connect, 0);
rb_define_method(cSSLSocket, "connect_nonblock", ossl_ssl_connect_nonblock, -1);
rb_define_method(cSSLSocket, "accept", ossl_ssl_accept, 0);
rb_define_method(cSSLSocket, "accept_nonblock", ossl_ssl_accept_nonblock, -1);
rb_define_method(cSSLSocket, "sysread", ossl_ssl_read, -1);
rb_define_private_method(cSSLSocket, "sysread_nonblock", ossl_ssl_read_nonblock, -1);
rb_define_method(cSSLSocket, "syswrite", ossl_ssl_write, 1);
rb_define_private_method(cSSLSocket, "syswrite_nonblock", ossl_ssl_write_nonblock, -1);
rb_define_private_method(cSSLSocket, "stop", ossl_ssl_stop, 0);
rb_define_method(cSSLSocket, "cert", ossl_ssl_get_cert, 0);
rb_define_method(cSSLSocket, "peer_cert", ossl_ssl_get_peer_cert, 0);
rb_define_method(cSSLSocket, "peer_cert_chain", ossl_ssl_get_peer_cert_chain, 0);
rb_define_method(cSSLSocket, "ssl_version", ossl_ssl_get_version, 0);
rb_define_method(cSSLSocket, "cipher", ossl_ssl_get_cipher, 0);
rb_define_method(cSSLSocket, "state", ossl_ssl_get_state, 0);
rb_define_method(cSSLSocket, "pending", ossl_ssl_pending, 0);
rb_define_method(cSSLSocket, "session_reused?", ossl_ssl_session_reused, 0);
/* implementation of OpenSSL::SSL::SSLSocket#session is in lib/openssl/ssl.rb */
rb_define_method(cSSLSocket, "session=", ossl_ssl_set_session, 1);
rb_define_method(cSSLSocket, "verify_result", ossl_ssl_get_verify_result, 0);
rb_define_method(cSSLSocket, "client_ca", ossl_ssl_get_client_ca_list, 0);
/* #hostname is defined in lib/openssl/ssl.rb */
rb_define_method(cSSLSocket, "hostname=", ossl_ssl_set_hostname, 1);
# ifdef HAVE_SSL_GET_SERVER_TMP_KEY
rb_define_method(cSSLSocket, "tmp_key", ossl_ssl_tmp_key, 0);
# endif
# ifdef HAVE_SSL_CTX_SET_ALPN_SELECT_CB
rb_define_method(cSSLSocket, "alpn_protocol", ossl_ssl_alpn_protocol, 0);
# endif
# ifndef OPENSSL_NO_NEXTPROTONEG
rb_define_method(cSSLSocket, "npn_protocol", ossl_ssl_npn_protocol, 0);
# endif
#endif
rb_define_const(mSSL, "VERIFY_NONE", INT2NUM(SSL_VERIFY_NONE));
rb_define_const(mSSL, "VERIFY_PEER", INT2NUM(SSL_VERIFY_PEER));
rb_define_const(mSSL, "VERIFY_FAIL_IF_NO_PEER_CERT", INT2NUM(SSL_VERIFY_FAIL_IF_NO_PEER_CERT));
rb_define_const(mSSL, "VERIFY_CLIENT_ONCE", INT2NUM(SSL_VERIFY_CLIENT_ONCE));
rb_define_const(mSSL, "OP_ALL", ULONG2NUM(SSL_OP_ALL));
rb_define_const(mSSL, "OP_LEGACY_SERVER_CONNECT", ULONG2NUM(SSL_OP_LEGACY_SERVER_CONNECT));
#ifdef SSL_OP_TLSEXT_PADDING /* OpenSSL 1.0.1h and OpenSSL 1.0.2 */
rb_define_const(mSSL, "OP_TLSEXT_PADDING", ULONG2NUM(SSL_OP_TLSEXT_PADDING));
#endif
#ifdef SSL_OP_SAFARI_ECDHE_ECDSA_BUG /* OpenSSL 1.0.1f and OpenSSL 1.0.2 */
rb_define_const(mSSL, "OP_SAFARI_ECDHE_ECDSA_BUG", ULONG2NUM(SSL_OP_SAFARI_ECDHE_ECDSA_BUG));
#endif
#ifdef SSL_OP_ALLOW_NO_DHE_KEX /* OpenSSL 1.1.1 */
rb_define_const(mSSL, "OP_ALLOW_NO_DHE_KEX", ULONG2NUM(SSL_OP_ALLOW_NO_DHE_KEX));
#endif
rb_define_const(mSSL, "OP_DONT_INSERT_EMPTY_FRAGMENTS", ULONG2NUM(SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS));
rb_define_const(mSSL, "OP_NO_TICKET", ULONG2NUM(SSL_OP_NO_TICKET));
rb_define_const(mSSL, "OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION", ULONG2NUM(SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION));
rb_define_const(mSSL, "OP_NO_COMPRESSION", ULONG2NUM(SSL_OP_NO_COMPRESSION));
rb_define_const(mSSL, "OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION", ULONG2NUM(SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION));
#ifdef SSL_OP_NO_ENCRYPT_THEN_MAC /* OpenSSL 1.1.1 */
rb_define_const(mSSL, "OP_NO_ENCRYPT_THEN_MAC", ULONG2NUM(SSL_OP_NO_ENCRYPT_THEN_MAC));
#endif
rb_define_const(mSSL, "OP_CIPHER_SERVER_PREFERENCE", ULONG2NUM(SSL_OP_CIPHER_SERVER_PREFERENCE));
rb_define_const(mSSL, "OP_TLS_ROLLBACK_BUG", ULONG2NUM(SSL_OP_TLS_ROLLBACK_BUG));
#ifdef SSL_OP_NO_RENEGOTIATION /* OpenSSL 1.1.1 */
rb_define_const(mSSL, "OP_NO_RENEGOTIATION", ULONG2NUM(SSL_OP_NO_RENEGOTIATION));
#endif
rb_define_const(mSSL, "OP_CRYPTOPRO_TLSEXT_BUG", ULONG2NUM(SSL_OP_CRYPTOPRO_TLSEXT_BUG));
rb_define_const(mSSL, "OP_NO_SSLv3", ULONG2NUM(SSL_OP_NO_SSLv3));
rb_define_const(mSSL, "OP_NO_TLSv1", ULONG2NUM(SSL_OP_NO_TLSv1));
rb_define_const(mSSL, "OP_NO_TLSv1_1", ULONG2NUM(SSL_OP_NO_TLSv1_1));
rb_define_const(mSSL, "OP_NO_TLSv1_2", ULONG2NUM(SSL_OP_NO_TLSv1_2));
#ifdef SSL_OP_NO_TLSv1_3 /* OpenSSL 1.1.1 */
rb_define_const(mSSL, "OP_NO_TLSv1_3", ULONG2NUM(SSL_OP_NO_TLSv1_3));
#endif
/* SSL_OP_* flags for DTLS */
#if 0
rb_define_const(mSSL, "OP_NO_QUERY_MTU", ULONG2NUM(SSL_OP_NO_QUERY_MTU));
rb_define_const(mSSL, "OP_COOKIE_EXCHANGE", ULONG2NUM(SSL_OP_COOKIE_EXCHANGE));
rb_define_const(mSSL, "OP_CISCO_ANYCONNECT", ULONG2NUM(SSL_OP_CISCO_ANYCONNECT));
#endif
/* Deprecated in OpenSSL 1.1.0. */
rb_define_const(mSSL, "OP_MICROSOFT_SESS_ID_BUG", ULONG2NUM(SSL_OP_MICROSOFT_SESS_ID_BUG));
/* Deprecated in OpenSSL 1.1.0. */
rb_define_const(mSSL, "OP_NETSCAPE_CHALLENGE_BUG", ULONG2NUM(SSL_OP_NETSCAPE_CHALLENGE_BUG));
/* Deprecated in OpenSSL 0.9.8q and 1.0.0c. */
rb_define_const(mSSL, "OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG", ULONG2NUM(SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG));
/* Deprecated in OpenSSL 1.0.1h and 1.0.2. */
rb_define_const(mSSL, "OP_SSLREF2_REUSE_CERT_TYPE_BUG", ULONG2NUM(SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG));
/* Deprecated in OpenSSL 1.1.0. */
rb_define_const(mSSL, "OP_MICROSOFT_BIG_SSLV3_BUFFER", ULONG2NUM(SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER));
/* Deprecated in OpenSSL 0.9.7h and 0.9.8b. */
rb_define_const(mSSL, "OP_MSIE_SSLV2_RSA_PADDING", ULONG2NUM(SSL_OP_MSIE_SSLV2_RSA_PADDING));
/* Deprecated in OpenSSL 1.1.0. */
rb_define_const(mSSL, "OP_SSLEAY_080_CLIENT_DH_BUG", ULONG2NUM(SSL_OP_SSLEAY_080_CLIENT_DH_BUG));
/* Deprecated in OpenSSL 1.1.0. */
rb_define_const(mSSL, "OP_TLS_D5_BUG", ULONG2NUM(SSL_OP_TLS_D5_BUG));
/* Deprecated in OpenSSL 1.1.0. */
rb_define_const(mSSL, "OP_TLS_BLOCK_PADDING_BUG", ULONG2NUM(SSL_OP_TLS_BLOCK_PADDING_BUG));
/* Deprecated in OpenSSL 1.1.0. */
rb_define_const(mSSL, "OP_SINGLE_ECDH_USE", ULONG2NUM(SSL_OP_SINGLE_ECDH_USE));
/* Deprecated in OpenSSL 1.1.0. */
rb_define_const(mSSL, "OP_SINGLE_DH_USE", ULONG2NUM(SSL_OP_SINGLE_DH_USE));
/* Deprecated in OpenSSL 1.0.1k and 1.0.2. */
rb_define_const(mSSL, "OP_EPHEMERAL_RSA", ULONG2NUM(SSL_OP_EPHEMERAL_RSA));
/* Deprecated in OpenSSL 1.1.0. */
rb_define_const(mSSL, "OP_NO_SSLv2", ULONG2NUM(SSL_OP_NO_SSLv2));
/* Deprecated in OpenSSL 1.0.1. */
rb_define_const(mSSL, "OP_PKCS1_CHECK_1", ULONG2NUM(SSL_OP_PKCS1_CHECK_1));
/* Deprecated in OpenSSL 1.0.1. */
rb_define_const(mSSL, "OP_PKCS1_CHECK_2", ULONG2NUM(SSL_OP_PKCS1_CHECK_2));
/* Deprecated in OpenSSL 1.1.0. */
rb_define_const(mSSL, "OP_NETSCAPE_CA_DN_BUG", ULONG2NUM(SSL_OP_NETSCAPE_CA_DN_BUG));
/* Deprecated in OpenSSL 1.1.0. */
rb_define_const(mSSL, "OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG", ULONG2NUM(SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG));
/*
* SSL/TLS version constants. Used by SSLContext#min_version= and
* #max_version=
*/
/* SSL 2.0 */
rb_define_const(mSSL, "SSL2_VERSION", INT2NUM(SSL2_VERSION));
/* SSL 3.0 */
rb_define_const(mSSL, "SSL3_VERSION", INT2NUM(SSL3_VERSION));
/* TLS 1.0 */
rb_define_const(mSSL, "TLS1_VERSION", INT2NUM(TLS1_VERSION));
/* TLS 1.1 */
rb_define_const(mSSL, "TLS1_1_VERSION", INT2NUM(TLS1_1_VERSION));
/* TLS 1.2 */
rb_define_const(mSSL, "TLS1_2_VERSION", INT2NUM(TLS1_2_VERSION));
#ifdef TLS1_3_VERSION /* OpenSSL 1.1.1 */
/* TLS 1.3 */
rb_define_const(mSSL, "TLS1_3_VERSION", INT2NUM(TLS1_3_VERSION));
#endif
sym_exception = ID2SYM(rb_intern("exception"));
sym_wait_readable = ID2SYM(rb_intern("wait_readable"));
sym_wait_writable = ID2SYM(rb_intern("wait_writable"));
id_tmp_dh_callback = rb_intern("tmp_dh_callback");
id_tmp_ecdh_callback = rb_intern("tmp_ecdh_callback");
id_npn_protocols_encoded = rb_intern("npn_protocols_encoded");
#define DefIVarID(name) do \
id_i_##name = rb_intern("@"#name); while (0)
DefIVarID(cert_store);
DefIVarID(ca_file);
DefIVarID(ca_path);
DefIVarID(verify_mode);
DefIVarID(verify_depth);
DefIVarID(verify_callback);
DefIVarID(client_ca);
DefIVarID(renegotiation_cb);
DefIVarID(cert);
DefIVarID(key);
DefIVarID(extra_chain_cert);
DefIVarID(client_cert_cb);
DefIVarID(tmp_ecdh_callback);
DefIVarID(timeout);
DefIVarID(session_id_context);
DefIVarID(session_get_cb);
DefIVarID(session_new_cb);
DefIVarID(session_remove_cb);
DefIVarID(npn_select_cb);
DefIVarID(npn_protocols);
DefIVarID(alpn_protocols);
DefIVarID(alpn_select_cb);
DefIVarID(servername_cb);
DefIVarID(verify_hostname);
DefIVarID(io);
DefIVarID(context);
DefIVarID(hostname);
}
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