281 lines
8.3 KiB
C++
281 lines
8.3 KiB
C++
|
/*
|
||
|
|
* libwebsockets - small server side websockets and web server implementation
|
||
|
|
*
|
||
|
|
* Copyright (C) 2010 - 2018 Andy Green <andy@warmcat.com>
|
||
|
|
*
|
||
|
|
* This library is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation:
|
||
|
|
* version 2.1 of the License.
|
||
|
|
*
|
||
|
|
* This library is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
* Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with this library; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
||
|
|
* MA 02110-1301 USA
|
||
|
|
*
|
||
|
|
* This is included from core/private.h if LWS_WITH_TLS
|
||
|
|
*/
|
||
|
|
|
||
|
|
#if defined(LWS_WITH_TLS)
|
||
|
|
|
||
|
|
#if defined(USE_WOLFSSL)
|
||
|
|
#if defined(USE_OLD_CYASSL)
|
||
|
|
#if defined(_WIN32)
|
||
|
|
#include <IDE/WIN/user_settings.h>
|
||
|
|
#include <cyassl/ctaocrypt/settings.h>
|
||
|
|
#else
|
||
|
|
#include <cyassl/options.h>
|
||
|
|
#endif
|
||
|
|
#include <cyassl/openssl/ssl.h>
|
||
|
|
#include <cyassl/error-ssl.h>
|
||
|
|
#else
|
||
|
|
#if defined(_WIN32)
|
||
|
|
#include <IDE/WIN/user_settings.h>
|
||
|
|
#include <wolfssl/wolfcrypt/settings.h>
|
||
|
|
#else
|
||
|
|
#include <wolfssl/options.h>
|
||
|
|
#endif
|
||
|
|
#include <wolfssl/openssl/ssl.h>
|
||
|
|
#include <wolfssl/error-ssl.h>
|
||
|
|
#define OPENSSL_NO_TLSEXT
|
||
|
|
#endif /* not USE_OLD_CYASSL */
|
||
|
|
#else /* WOLFSSL */
|
||
|
|
#if defined(LWS_WITH_ESP32)
|
||
|
|
#define OPENSSL_NO_TLSEXT
|
||
|
|
#undef MBEDTLS_CONFIG_FILE
|
||
|
|
#define MBEDTLS_CONFIG_FILE <mbedtls/esp_config.h>
|
||
|
|
#include <mbedtls/ssl.h>
|
||
|
|
#include <mbedtls/x509_crt.h>
|
||
|
|
#include "tls/mbedtls/wrapper/include/openssl/ssl.h" /* wrapper !!!! */
|
||
|
|
#else /* not esp32 */
|
||
|
|
#if defined(LWS_WITH_MBEDTLS)
|
||
|
|
#include <mbedtls/ssl.h>
|
||
|
|
#include <mbedtls/x509_crt.h>
|
||
|
|
#include <mbedtls/x509_csr.h>
|
||
|
|
#include "tls/mbedtls/wrapper/include/openssl/ssl.h" /* wrapper !!!! */
|
||
|
|
#else
|
||
|
|
#include <openssl/ssl.h>
|
||
|
|
#include <openssl/evp.h>
|
||
|
|
#include <openssl/err.h>
|
||
|
|
#include <openssl/md5.h>
|
||
|
|
#include <openssl/sha.h>
|
||
|
|
#ifdef LWS_HAVE_OPENSSL_ECDH_H
|
||
|
|
#include <openssl/ecdh.h>
|
||
|
|
#endif
|
||
|
|
#include <openssl/x509v3.h>
|
||
|
|
#endif /* not mbedtls */
|
||
|
|
#if defined(OPENSSL_VERSION_NUMBER)
|
||
|
|
#if (OPENSSL_VERSION_NUMBER < 0x0009080afL)
|
||
|
|
/* later openssl defines this to negate the presence of tlsext... but it was only
|
||
|
|
* introduced at 0.9.8j. Earlier versions don't know it exists so don't
|
||
|
|
* define it... making it look like the feature exists...
|
||
|
|
*/
|
||
|
|
#define OPENSSL_NO_TLSEXT
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
#endif /* not ESP32 */
|
||
|
|
#endif /* not USE_WOLFSSL */
|
||
|
|
|
||
|
|
#endif /* LWS_WITH_TLS */
|
||
|
|
|
||
|
|
enum lws_tls_extant {
|
||
|
|
LWS_TLS_EXTANT_NO,
|
||
|
|
LWS_TLS_EXTANT_YES,
|
||
|
|
LWS_TLS_EXTANT_ALTERNATIVE
|
||
|
|
};
|
||
|
|
|
||
|
|
struct lws_context_per_thread;
|
||
|
|
|
||
|
|
struct lws_tls_ops {
|
||
|
|
int (*fake_POLLIN_for_buffered)(struct lws_context_per_thread *pt);
|
||
|
|
int (*periodic_housekeeping)(struct lws_context *context, time_t now);
|
||
|
|
};
|
||
|
|
|
||
|
|
#if defined(LWS_WITH_TLS)
|
||
|
|
|
||
|
|
typedef SSL lws_tls_conn;
|
||
|
|
typedef SSL_CTX lws_tls_ctx;
|
||
|
|
typedef BIO lws_tls_bio;
|
||
|
|
typedef X509 lws_tls_x509;
|
||
|
|
|
||
|
|
|
||
|
|
#define LWS_SSL_ENABLED(context) (context->tls.use_ssl)
|
||
|
|
|
||
|
|
extern const struct lws_tls_ops tls_ops_openssl, tls_ops_mbedtls;
|
||
|
|
|
||
|
|
struct lws_context_tls {
|
||
|
|
char alpn_discovered[32];
|
||
|
|
const char *alpn_default;
|
||
|
|
time_t last_cert_check_s;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct lws_pt_tls {
|
||
|
|
struct lws *pending_read_list; /* linked list */
|
||
|
|
};
|
||
|
|
|
||
|
|
struct lws_tls_ss_pieces;
|
||
|
|
|
||
|
|
struct alpn_ctx {
|
||
|
|
uint8_t data[23];
|
||
|
|
uint8_t len;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct lws_vhost_tls {
|
||
|
|
lws_tls_ctx *ssl_ctx;
|
||
|
|
lws_tls_ctx *ssl_client_ctx;
|
||
|
|
const char *alpn;
|
||
|
|
struct lws_tls_ss_pieces *ss; /* for acme tls certs */
|
||
|
|
char *alloc_cert_path;
|
||
|
|
char *key_path;
|
||
|
|
#if defined(LWS_WITH_MBEDTLS)
|
||
|
|
lws_tls_x509 *x509_client_CA;
|
||
|
|
#endif
|
||
|
|
char ecdh_curve[16];
|
||
|
|
struct alpn_ctx alpn_ctx;
|
||
|
|
|
||
|
|
int use_ssl;
|
||
|
|
int allow_non_ssl_on_ssl_port;
|
||
|
|
int ssl_info_event_mask;
|
||
|
|
|
||
|
|
unsigned int user_supplied_ssl_ctx:1;
|
||
|
|
unsigned int skipped_certs:1;
|
||
|
|
};
|
||
|
|
|
||
|
|
struct lws_lws_tls {
|
||
|
|
lws_tls_conn *ssl;
|
||
|
|
lws_tls_bio *client_bio;
|
||
|
|
struct lws *pending_read_list_prev, *pending_read_list_next;
|
||
|
|
unsigned int use_ssl;
|
||
|
|
unsigned int redirect_to_https:1;
|
||
|
|
};
|
||
|
|
|
||
|
|
LWS_EXTERN void
|
||
|
|
lws_context_init_alpn(struct lws_vhost *vhost);
|
||
|
|
LWS_EXTERN enum lws_tls_extant
|
||
|
|
lws_tls_use_any_upgrade_check_extant(const char *name);
|
||
|
|
LWS_EXTERN int openssl_websocket_private_data_index;
|
||
|
|
LWS_EXTERN int LWS_WARN_UNUSED_RESULT
|
||
|
|
lws_ssl_capable_read(struct lws *wsi, unsigned char *buf, int len);
|
||
|
|
LWS_EXTERN int LWS_WARN_UNUSED_RESULT
|
||
|
|
lws_ssl_capable_write(struct lws *wsi, unsigned char *buf, int len);
|
||
|
|
LWS_EXTERN int LWS_WARN_UNUSED_RESULT
|
||
|
|
lws_ssl_pending(struct lws *wsi);
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_context_init_ssl_library(const struct lws_context_creation_info *info);
|
||
|
|
LWS_EXTERN int LWS_WARN_UNUSED_RESULT
|
||
|
|
lws_server_socket_service_ssl(struct lws *new_wsi, lws_sockfd_type accept_fd);
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_ssl_close(struct lws *wsi);
|
||
|
|
LWS_EXTERN void
|
||
|
|
lws_ssl_SSL_CTX_destroy(struct lws_vhost *vhost);
|
||
|
|
LWS_EXTERN void
|
||
|
|
lws_ssl_context_destroy(struct lws_context *context);
|
||
|
|
void
|
||
|
|
__lws_ssl_remove_wsi_from_buffered_list(struct lws *wsi);
|
||
|
|
LWS_VISIBLE void
|
||
|
|
lws_ssl_remove_wsi_from_buffered_list(struct lws *wsi);
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_ssl_client_bio_create(struct lws *wsi);
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_ssl_client_connect1(struct lws *wsi);
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_ssl_client_connect2(struct lws *wsi, char *errbuf, int len);
|
||
|
|
LWS_EXTERN void
|
||
|
|
lws_ssl_elaborate_error(void);
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_tls_fake_POLLIN_for_buffered(struct lws_context_per_thread *pt);
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_gate_accepts(struct lws_context *context, int on);
|
||
|
|
LWS_EXTERN void
|
||
|
|
lws_ssl_bind_passphrase(lws_tls_ctx *ssl_ctx,
|
||
|
|
const struct lws_context_creation_info *info);
|
||
|
|
LWS_EXTERN void
|
||
|
|
lws_ssl_info_callback(const lws_tls_conn *ssl, int where, int ret);
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_tls_openssl_cert_info(X509 *x509, enum lws_tls_cert_info type,
|
||
|
|
union lws_tls_cert_info_results *buf, size_t len);
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_tls_check_all_cert_lifetimes(struct lws_context *context);
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_tls_server_certs_load(struct lws_vhost *vhost, struct lws *wsi,
|
||
|
|
const char *cert, const char *private_key,
|
||
|
|
const char *mem_cert, size_t len_mem_cert,
|
||
|
|
const char *mem_privkey, size_t mem_privkey_len);
|
||
|
|
LWS_EXTERN enum lws_tls_extant
|
||
|
|
lws_tls_generic_cert_checks(struct lws_vhost *vhost, const char *cert,
|
||
|
|
const char *private_key);
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_tls_alloc_pem_to_der_file(struct lws_context *context, const char *filename,
|
||
|
|
const char *inbuf, lws_filepos_t inlen,
|
||
|
|
uint8_t **buf, lws_filepos_t *amount);
|
||
|
|
|
||
|
|
#if !defined(LWS_NO_SERVER)
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_context_init_server_ssl(const struct lws_context_creation_info *info,
|
||
|
|
struct lws_vhost *vhost);
|
||
|
|
void
|
||
|
|
lws_tls_acme_sni_cert_destroy(struct lws_vhost *vhost);
|
||
|
|
#else
|
||
|
|
#define lws_context_init_server_ssl(_a, _b) (0)
|
||
|
|
#define lws_tls_acme_sni_cert_destroy(_a)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
LWS_EXTERN void
|
||
|
|
lws_ssl_destroy(struct lws_vhost *vhost);
|
||
|
|
LWS_EXTERN char *
|
||
|
|
lws_ssl_get_error_string(int status, int ret, char *buf, size_t len);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* lws_tls_ abstract backend implementations
|
||
|
|
*/
|
||
|
|
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_tls_server_client_cert_verify_config(struct lws_vhost *vh);
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_tls_server_vhost_backend_init(const struct lws_context_creation_info *info,
|
||
|
|
struct lws_vhost *vhost, struct lws *wsi);
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_tls_server_new_nonblocking(struct lws *wsi, lws_sockfd_type accept_fd);
|
||
|
|
|
||
|
|
LWS_EXTERN enum lws_ssl_capable_status
|
||
|
|
lws_tls_server_accept(struct lws *wsi);
|
||
|
|
|
||
|
|
LWS_EXTERN enum lws_ssl_capable_status
|
||
|
|
lws_tls_server_abort_connection(struct lws *wsi);
|
||
|
|
|
||
|
|
LWS_EXTERN enum lws_ssl_capable_status
|
||
|
|
__lws_tls_shutdown(struct lws *wsi);
|
||
|
|
|
||
|
|
LWS_EXTERN enum lws_ssl_capable_status
|
||
|
|
lws_tls_client_connect(struct lws *wsi);
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_tls_client_confirm_peer_cert(struct lws *wsi, char *ebuf, int ebuf_len);
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_tls_client_create_vhost_context(struct lws_vhost *vh,
|
||
|
|
const struct lws_context_creation_info *info,
|
||
|
|
const char *cipher_list,
|
||
|
|
const char *ca_filepath,
|
||
|
|
const char *cert_filepath,
|
||
|
|
const char *private_key_filepath);
|
||
|
|
|
||
|
|
LWS_EXTERN lws_tls_ctx *
|
||
|
|
lws_tls_ctx_from_wsi(struct lws *wsi);
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_ssl_get_error(struct lws *wsi, int n);
|
||
|
|
|
||
|
|
LWS_EXTERN int
|
||
|
|
lws_context_init_client_ssl(const struct lws_context_creation_info *info,
|
||
|
|
struct lws_vhost *vhost);
|
||
|
|
|
||
|
|
LWS_EXTERN void
|
||
|
|
lws_ssl_info_callback(const lws_tls_conn *ssl, int where, int ret);
|
||
|
|
|
||
|
|
int
|
||
|
|
lws_tls_fake_POLLIN_for_buffered(struct lws_context_per_thread *pt);
|
||
|
|
|
||
|
|
#endif
|