mirror of
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e101a7a8b0
- add `Curl_hash_add2()` that passes a destructor function for the element added. Call element destructor instead of hash destructor if present. - multi: add `proto_hash` for protocol related information, remove `struct multi_ssl_backend_data`. - openssl: use multi->proto_hash to keep x509 shared store - schannel: use multi->proto_hash to keep x509 shared store - vtls: remove Curl_free_multi_ssl_backend_data() and its equivalents in the TLS backends Closes #13345
208 lines
8.1 KiB
C
208 lines
8.1 KiB
C
#ifndef HEADER_CURL_VTLS_INT_H
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#define HEADER_CURL_VTLS_INT_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "curl_setup.h"
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#include "cfilters.h"
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#include "urldata.h"
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#ifdef USE_SSL
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/* see https://www.iana.org/assignments/tls-extensiontype-values/ */
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#define ALPN_HTTP_1_1_LENGTH 8
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#define ALPN_HTTP_1_1 "http/1.1"
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#define ALPN_H2_LENGTH 2
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#define ALPN_H2 "h2"
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#define ALPN_H3_LENGTH 2
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#define ALPN_H3 "h3"
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/* conservative sizes on the ALPN entries and count we are handling,
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* we can increase these if we ever feel the need or have to accommodate
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* ALPN strings from the "outside". */
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#define ALPN_NAME_MAX 10
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#define ALPN_ENTRIES_MAX 3
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#define ALPN_PROTO_BUF_MAX (ALPN_ENTRIES_MAX * (ALPN_NAME_MAX + 1))
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struct alpn_spec {
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const char entries[ALPN_ENTRIES_MAX][ALPN_NAME_MAX];
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size_t count; /* number of entries */
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};
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struct alpn_proto_buf {
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unsigned char data[ALPN_PROTO_BUF_MAX];
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int len;
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};
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CURLcode Curl_alpn_to_proto_buf(struct alpn_proto_buf *buf,
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const struct alpn_spec *spec);
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CURLcode Curl_alpn_to_proto_str(struct alpn_proto_buf *buf,
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const struct alpn_spec *spec);
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CURLcode Curl_alpn_set_negotiated(struct Curl_cfilter *cf,
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struct Curl_easy *data,
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const unsigned char *proto,
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size_t proto_len);
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/* Information in each SSL cfilter context: cf->ctx */
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struct ssl_connect_data {
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ssl_connection_state state;
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ssl_connect_state connecting_state;
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struct ssl_peer peer;
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const struct alpn_spec *alpn; /* ALPN to use or NULL for none */
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void *backend; /* vtls backend specific props */
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struct cf_call_data call_data; /* data handle used in current call */
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struct curltime handshake_done; /* time when handshake finished */
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BIT(use_alpn); /* if ALPN shall be used in handshake */
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BIT(peer_closed); /* peer has closed connection */
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};
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#undef CF_CTX_CALL_DATA
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#define CF_CTX_CALL_DATA(cf) \
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((struct ssl_connect_data *)(cf)->ctx)->call_data
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/* Definitions for SSL Implementations */
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struct Curl_ssl {
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/*
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* This *must* be the first entry to allow returning the list of available
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* backends in curl_global_sslset().
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*/
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curl_ssl_backend info;
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unsigned int supports; /* bitfield, see above */
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size_t sizeof_ssl_backend_data;
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int (*init)(void);
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void (*cleanup)(void);
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size_t (*version)(char *buffer, size_t size);
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int (*check_cxn)(struct Curl_cfilter *cf, struct Curl_easy *data);
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int (*shut_down)(struct Curl_cfilter *cf,
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struct Curl_easy *data);
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bool (*data_pending)(struct Curl_cfilter *cf,
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const struct Curl_easy *data);
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/* return 0 if a find random is filled in */
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CURLcode (*random)(struct Curl_easy *data, unsigned char *entropy,
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size_t length);
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bool (*cert_status_request)(void);
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CURLcode (*connect_blocking)(struct Curl_cfilter *cf,
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struct Curl_easy *data);
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CURLcode (*connect_nonblocking)(struct Curl_cfilter *cf,
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struct Curl_easy *data,
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bool *done);
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/* During handshake, adjust the pollset to include the socket
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* for POLLOUT or POLLIN as needed.
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* Mandatory. */
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void (*adjust_pollset)(struct Curl_cfilter *cf, struct Curl_easy *data,
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struct easy_pollset *ps);
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void *(*get_internals)(struct ssl_connect_data *connssl, CURLINFO info);
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void (*close)(struct Curl_cfilter *cf, struct Curl_easy *data);
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void (*close_all)(struct Curl_easy *data);
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CURLcode (*set_engine)(struct Curl_easy *data, const char *engine);
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CURLcode (*set_engine_default)(struct Curl_easy *data);
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struct curl_slist *(*engines_list)(struct Curl_easy *data);
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bool (*false_start)(void);
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CURLcode (*sha256sum)(const unsigned char *input, size_t inputlen,
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unsigned char *sha256sum, size_t sha256sumlen);
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bool (*attach_data)(struct Curl_cfilter *cf, struct Curl_easy *data);
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void (*detach_data)(struct Curl_cfilter *cf, struct Curl_easy *data);
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ssize_t (*recv_plain)(struct Curl_cfilter *cf, struct Curl_easy *data,
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char *buf, size_t len, CURLcode *code);
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ssize_t (*send_plain)(struct Curl_cfilter *cf, struct Curl_easy *data,
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const void *mem, size_t len, CURLcode *code);
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};
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extern const struct Curl_ssl *Curl_ssl;
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int Curl_none_init(void);
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void Curl_none_cleanup(void);
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int Curl_none_shutdown(struct Curl_cfilter *cf, struct Curl_easy *data);
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int Curl_none_check_cxn(struct Curl_cfilter *cf, struct Curl_easy *data);
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CURLcode Curl_none_random(struct Curl_easy *data, unsigned char *entropy,
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size_t length);
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void Curl_none_close_all(struct Curl_easy *data);
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void Curl_none_session_free(void *ptr);
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bool Curl_none_data_pending(struct Curl_cfilter *cf,
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const struct Curl_easy *data);
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bool Curl_none_cert_status_request(void);
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CURLcode Curl_none_set_engine(struct Curl_easy *data, const char *engine);
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CURLcode Curl_none_set_engine_default(struct Curl_easy *data);
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struct curl_slist *Curl_none_engines_list(struct Curl_easy *data);
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bool Curl_none_false_start(void);
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void Curl_ssl_adjust_pollset(struct Curl_cfilter *cf, struct Curl_easy *data,
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struct easy_pollset *ps);
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/**
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* Get the SSL filter below the given one or NULL if there is none.
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*/
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bool Curl_ssl_cf_is_proxy(struct Curl_cfilter *cf);
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/* extract a session ID
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* Sessionid mutex must be locked (see Curl_ssl_sessionid_lock).
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* Caller must make sure that the ownership of returned sessionid object
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* is properly taken (e.g. its refcount is incremented
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* under sessionid mutex).
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*/
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bool Curl_ssl_getsessionid(struct Curl_cfilter *cf,
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struct Curl_easy *data,
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const struct ssl_peer *peer,
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void **ssl_sessionid,
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size_t *idsize); /* set 0 if unknown */
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/* add a new session ID
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* Sessionid mutex must be locked (see Curl_ssl_sessionid_lock).
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* Caller must ensure that it has properly shared ownership of this sessionid
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* object with cache (e.g. incrementing refcount on success)
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* Call takes ownership of `ssl_sessionid`, using `sessionid_free_cb`
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* to destroy it in case of failure or later removal.
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*/
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CURLcode Curl_ssl_addsessionid(struct Curl_cfilter *cf,
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struct Curl_easy *data,
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const struct ssl_peer *peer,
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void *ssl_sessionid,
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size_t idsize,
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Curl_ssl_sessionid_dtor *sessionid_free_cb);
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#include "openssl.h" /* OpenSSL versions */
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#include "gtls.h" /* GnuTLS versions */
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#include "wolfssl.h" /* wolfSSL versions */
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#include "schannel.h" /* Schannel SSPI version */
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#include "sectransp.h" /* SecureTransport (Darwin) version */
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#include "mbedtls.h" /* mbedTLS versions */
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#include "bearssl.h" /* BearSSL versions */
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#include "rustls.h" /* rustls versions */
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#endif /* USE_SSL */
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#endif /* HEADER_CURL_VTLS_INT_H */
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