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189 lines
5.9 KiB
189 lines
5.9 KiB
/*
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* libwebsockets - small server side websockets and web server implementation
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*
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* Copyright (C) 2010 - 2019 Andy Green <andy@warmcat.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* This is included from private-lib-core.h if LWS_WITH_TLS
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*/
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struct lws_context_per_thread;
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struct lws_tls_ops {
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int (*fake_POLLIN_for_buffered)(struct lws_context_per_thread *pt);
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};
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struct lws_context_tls {
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char alpn_discovered[32];
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const char *alpn_default;
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time_t last_cert_check_s;
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struct lws_dll2_owner cc_owner;
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int count_client_contexts;
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};
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struct lws_pt_tls {
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struct lws_dll2_owner dll_pending_tls_owner;
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};
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struct lws_tls_ss_pieces;
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struct alpn_ctx {
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uint8_t data[23];
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uint8_t len;
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};
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struct lws_vhost_tls {
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lws_tls_ctx *ssl_ctx;
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lws_tls_ctx *ssl_client_ctx;
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const char *alpn;
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struct lws_tls_ss_pieces *ss; /* for acme tls certs */
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char *alloc_cert_path;
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char *key_path;
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#if defined(LWS_WITH_MBEDTLS)
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lws_tls_x509 *x509_client_CA;
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#endif
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char ecdh_curve[16];
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struct alpn_ctx alpn_ctx;
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int use_ssl;
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int allow_non_ssl_on_ssl_port;
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int ssl_info_event_mask;
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unsigned int user_supplied_ssl_ctx:1;
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unsigned int skipped_certs:1;
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};
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struct lws_lws_tls {
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lws_tls_conn *ssl;
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lws_tls_bio *client_bio;
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struct lws_dll2 dll_pending_tls;
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unsigned int use_ssl;
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unsigned int redirect_to_https:1;
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};
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LWS_EXTERN void
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lws_context_init_alpn(struct lws_vhost *vhost);
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LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_ssl_capable_read(struct lws *wsi, unsigned char *buf, int len);
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LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_ssl_capable_write(struct lws *wsi, unsigned char *buf, int len);
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LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_ssl_pending(struct lws *wsi);
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LWS_EXTERN int LWS_WARN_UNUSED_RESULT
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lws_server_socket_service_ssl(struct lws *new_wsi, lws_sockfd_type accept_fd);
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LWS_EXTERN int
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lws_ssl_close(struct lws *wsi);
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LWS_EXTERN void
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lws_ssl_SSL_CTX_destroy(struct lws_vhost *vhost);
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LWS_EXTERN void
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lws_ssl_context_destroy(struct lws_context *context);
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void
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__lws_ssl_remove_wsi_from_buffered_list(struct lws *wsi);
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LWS_VISIBLE void
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lws_ssl_remove_wsi_from_buffered_list(struct lws *wsi);
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LWS_EXTERN int
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lws_ssl_client_bio_create(struct lws *wsi);
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LWS_EXTERN int
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lws_ssl_client_connect1(struct lws *wsi);
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LWS_EXTERN int
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lws_ssl_client_connect2(struct lws *wsi, char *errbuf, int len);
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LWS_EXTERN int
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lws_tls_fake_POLLIN_for_buffered(struct lws_context_per_thread *pt);
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LWS_EXTERN int
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lws_gate_accepts(struct lws_context *context, int on);
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LWS_EXTERN void
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lws_ssl_bind_passphrase(lws_tls_ctx *ssl_ctx, int is_client,
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const struct lws_context_creation_info *info);
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LWS_EXTERN void
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lws_ssl_info_callback(const lws_tls_conn *ssl, int where, int ret);
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LWS_EXTERN int
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lws_tls_server_certs_load(struct lws_vhost *vhost, struct lws *wsi,
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const char *cert, const char *private_key,
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const char *mem_cert, size_t len_mem_cert,
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const char *mem_privkey, size_t mem_privkey_len);
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LWS_EXTERN enum lws_tls_extant
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lws_tls_generic_cert_checks(struct lws_vhost *vhost, const char *cert,
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const char *private_key);
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#if defined(LWS_WITH_SERVER)
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LWS_EXTERN int
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lws_context_init_server_ssl(const struct lws_context_creation_info *info,
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struct lws_vhost *vhost);
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void
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lws_tls_acme_sni_cert_destroy(struct lws_vhost *vhost);
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#else
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#define lws_context_init_server_ssl(_a, _b) (0)
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#define lws_tls_acme_sni_cert_destroy(_a)
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#endif
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LWS_EXTERN void
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lws_ssl_destroy(struct lws_vhost *vhost);
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/*
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* lws_tls_ abstract backend implementations
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*/
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LWS_EXTERN int
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lws_tls_server_client_cert_verify_config(struct lws_vhost *vh);
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LWS_EXTERN int
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lws_tls_server_vhost_backend_init(const struct lws_context_creation_info *info,
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struct lws_vhost *vhost, struct lws *wsi);
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LWS_EXTERN int
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lws_tls_server_new_nonblocking(struct lws *wsi, lws_sockfd_type accept_fd);
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LWS_EXTERN enum lws_ssl_capable_status
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lws_tls_server_accept(struct lws *wsi);
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LWS_EXTERN enum lws_ssl_capable_status
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lws_tls_server_abort_connection(struct lws *wsi);
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LWS_EXTERN enum lws_ssl_capable_status
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__lws_tls_shutdown(struct lws *wsi);
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LWS_EXTERN enum lws_ssl_capable_status
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lws_tls_client_connect(struct lws *wsi);
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LWS_EXTERN int
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lws_tls_client_confirm_peer_cert(struct lws *wsi, char *ebuf, int ebuf_len);
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LWS_EXTERN int
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lws_tls_client_create_vhost_context(struct lws_vhost *vh,
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const struct lws_context_creation_info *info,
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const char *cipher_list,
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const char *ca_filepath,
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const void *ca_mem,
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unsigned int ca_mem_len,
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const char *cert_filepath,
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const void *cert_mem,
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unsigned int cert_mem_len,
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const char *private_key_filepath);
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LWS_EXTERN lws_tls_ctx *
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lws_tls_ctx_from_wsi(struct lws *wsi);
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LWS_EXTERN int
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lws_ssl_get_error(struct lws *wsi, int n);
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LWS_EXTERN int
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lws_context_init_client_ssl(const struct lws_context_creation_info *info,
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struct lws_vhost *vhost);
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LWS_EXTERN void
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lws_ssl_info_callback(const lws_tls_conn *ssl, int where, int ret);
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int
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lws_tls_fake_POLLIN_for_buffered(struct lws_context_per_thread *pt);
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