mirror of https://github.com/axmolengine/axmol.git
309 lines
13 KiB
C
309 lines
13 KiB
C
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#ifndef HEADER_CURL_VTLS_H
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#define HEADER_CURL_VTLS_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) 1998 - 2021, 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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***************************************************************************/
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#include "curl_setup.h"
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struct connectdata;
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struct ssl_connect_data;
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#define SSLSUPP_CA_PATH (1<<0) /* supports CAPATH */
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#define SSLSUPP_CERTINFO (1<<1) /* supports CURLOPT_CERTINFO */
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#define SSLSUPP_PINNEDPUBKEY (1<<2) /* supports CURLOPT_PINNEDPUBLICKEY */
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#define SSLSUPP_SSL_CTX (1<<3) /* supports CURLOPT_SSL_CTX */
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#define SSLSUPP_HTTPS_PROXY (1<<4) /* supports access via HTTPS proxies */
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#define SSLSUPP_TLS13_CIPHERSUITES (1<<5) /* supports TLS 1.3 ciphersuites */
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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 connectdata *cxn);
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int (*shut_down)(struct Curl_easy *data, struct connectdata *conn,
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int sockindex);
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bool (*data_pending)(const struct connectdata *conn,
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int connindex);
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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_easy *data,
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struct connectdata *conn, int sockindex);
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CURLcode (*connect_nonblocking)(struct Curl_easy *data,
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struct connectdata *conn, int sockindex,
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bool *done);
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/* If the SSL backend wants to read or write on this connection during a
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handshake, set socks[0] to the connection's FIRSTSOCKET, and return
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a bitmap indicating read or write with GETSOCK_WRITESOCK(0) or
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GETSOCK_READSOCK(0). Otherwise return GETSOCK_BLANK.
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Mandatory. */
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int (*getsock)(struct connectdata *conn, curl_socket_t *socks);
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void *(*get_internals)(struct ssl_connect_data *connssl, CURLINFO info);
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void (*close_one)(struct Curl_easy *data, struct connectdata *conn,
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int sockindex);
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void (*close_all)(struct Curl_easy *data);
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void (*session_free)(void *ptr);
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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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};
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#ifdef USE_SSL
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extern const struct Curl_ssl *Curl_ssl;
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#endif
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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_easy *data, struct connectdata *conn,
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int sockindex);
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int Curl_none_check_cxn(struct connectdata *conn);
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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(const struct connectdata *conn, int connindex);
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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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bool Curl_ssl_tls13_ciphersuites(void);
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#include "openssl.h" /* OpenSSL versions */
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#include "gtls.h" /* GnuTLS versions */
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#include "nssg.h" /* NSS versions */
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#include "gskit.h" /* Global Secure ToolKit 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 "mesalink.h" /* MesaLink versions */
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#include "bearssl.h" /* BearSSL versions */
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#include "rustls.h" /* rustls versions */
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#ifndef MAX_PINNED_PUBKEY_SIZE
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#define MAX_PINNED_PUBKEY_SIZE 1048576 /* 1MB */
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#endif
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#ifndef CURL_SHA256_DIGEST_LENGTH
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#define CURL_SHA256_DIGEST_LENGTH 32 /* fixed size */
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#endif
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/* see https://tools.ietf.org/html/draft-ietf-tls-applayerprotoneg-04 */
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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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/* set of helper macros for the backends to access the correct fields. For the
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proxy or for the remote host - to properly support HTTPS proxy */
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#ifndef CURL_DISABLE_PROXY
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#define SSL_IS_PROXY() \
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(CURLPROXY_HTTPS == conn->http_proxy.proxytype && \
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ssl_connection_complete != \
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conn->proxy_ssl[conn->sock[SECONDARYSOCKET] == \
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CURL_SOCKET_BAD ? FIRSTSOCKET : SECONDARYSOCKET].state)
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#define SSL_SET_OPTION(var) \
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(SSL_IS_PROXY() ? data->set.proxy_ssl.var : data->set.ssl.var)
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#define SSL_SET_OPTION_LVALUE(var) \
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(*(SSL_IS_PROXY() ? &data->set.proxy_ssl.var : &data->set.ssl.var))
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#define SSL_CONN_CONFIG(var) \
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(SSL_IS_PROXY() ? conn->proxy_ssl_config.var : conn->ssl_config.var)
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#define SSL_HOST_NAME() \
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(SSL_IS_PROXY() ? conn->http_proxy.host.name : conn->host.name)
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#define SSL_HOST_DISPNAME() \
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(SSL_IS_PROXY() ? conn->http_proxy.host.dispname : conn->host.dispname)
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#define SSL_PINNED_PUB_KEY() (SSL_IS_PROXY() \
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? data->set.str[STRING_SSL_PINNEDPUBLICKEY_PROXY] \
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: data->set.str[STRING_SSL_PINNEDPUBLICKEY])
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#else
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#define SSL_IS_PROXY() FALSE
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#define SSL_SET_OPTION(var) data->set.ssl.var
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#define SSL_SET_OPTION_LVALUE(var) data->set.ssl.var
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#define SSL_CONN_CONFIG(var) conn->ssl_config.var
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#define SSL_HOST_NAME() conn->host.name
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#define SSL_HOST_DISPNAME() conn->host.dispname
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#define SSL_PINNED_PUB_KEY() \
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data->set.str[STRING_SSL_PINNEDPUBLICKEY]
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#endif
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bool Curl_ssl_config_matches(struct ssl_primary_config *data,
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struct ssl_primary_config *needle);
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bool Curl_clone_primary_ssl_config(struct ssl_primary_config *source,
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struct ssl_primary_config *dest);
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void Curl_free_primary_ssl_config(struct ssl_primary_config *sslc);
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/* An implementation of the getsock field of Curl_ssl that relies
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on the ssl_connect_state enum. Asks for read or write depending
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on whether conn->state is ssl_connect_2_reading or
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ssl_connect_2_writing. */
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int Curl_ssl_getsock(struct connectdata *conn, curl_socket_t *socks);
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int Curl_ssl_backend(void);
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#ifdef USE_SSL
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int Curl_ssl_init(void);
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void Curl_ssl_cleanup(void);
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CURLcode Curl_ssl_connect(struct Curl_easy *data, struct connectdata *conn,
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int sockindex);
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CURLcode Curl_ssl_connect_nonblocking(struct Curl_easy *data,
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struct connectdata *conn,
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int sockindex,
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bool *done);
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/* tell the SSL stuff to close down all open information regarding
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connections (and thus session ID caching etc) */
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void Curl_ssl_close_all(struct Curl_easy *data);
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void Curl_ssl_close(struct Curl_easy *data, struct connectdata *conn,
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int sockindex);
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CURLcode Curl_ssl_shutdown(struct Curl_easy *data, struct connectdata *conn,
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int sockindex);
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CURLcode Curl_ssl_set_engine(struct Curl_easy *data, const char *engine);
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/* Sets engine as default for all SSL operations */
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CURLcode Curl_ssl_set_engine_default(struct Curl_easy *data);
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struct curl_slist *Curl_ssl_engines_list(struct Curl_easy *data);
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/* init the SSL session ID cache */
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CURLcode Curl_ssl_initsessions(struct Curl_easy *, size_t);
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size_t Curl_ssl_version(char *buffer, size_t size);
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bool Curl_ssl_data_pending(const struct connectdata *conn,
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int connindex);
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int Curl_ssl_check_cxn(struct connectdata *conn);
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/* Certificate information list handling. */
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void Curl_ssl_free_certinfo(struct Curl_easy *data);
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CURLcode Curl_ssl_init_certinfo(struct Curl_easy *data, int num);
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CURLcode Curl_ssl_push_certinfo_len(struct Curl_easy *data, int certnum,
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const char *label, const char *value,
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size_t valuelen);
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CURLcode Curl_ssl_push_certinfo(struct Curl_easy *data, int certnum,
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const char *label, const char *value);
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/* Functions to be used by SSL library adaptation functions */
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/* Lock session cache mutex.
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* Call this before calling other Curl_ssl_*session* functions
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* Caller should unlock this mutex as soon as possible, as it may block
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* other SSL connection from making progress.
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* The purpose of explicitly locking SSL session cache data is to allow
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* individual SSL engines to manage session lifetime in their specific way.
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*/
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void Curl_ssl_sessionid_lock(struct Curl_easy *data);
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/* Unlock session cache mutex */
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void Curl_ssl_sessionid_unlock(struct Curl_easy *data);
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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_easy *data,
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struct connectdata *conn,
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const bool isproxy,
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void **ssl_sessionid,
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size_t *idsize, /* set 0 if unknown */
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int sockindex);
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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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*/
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CURLcode Curl_ssl_addsessionid(struct Curl_easy *data,
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struct connectdata *conn,
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const bool isProxy,
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void *ssl_sessionid,
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size_t idsize,
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int sockindex);
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/* Kill a single session ID entry in the cache
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* Sessionid mutex must be locked (see Curl_ssl_sessionid_lock).
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* This will call engine-specific curlssl_session_free function, which must
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* take sessionid object ownership from sessionid cache
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* (e.g. decrement refcount).
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*/
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void Curl_ssl_kill_session(struct Curl_ssl_session *session);
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/* delete a session from the cache
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* Sessionid mutex must be locked (see Curl_ssl_sessionid_lock).
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* This will call engine-specific curlssl_session_free function, which must
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* take sessionid object ownership from sessionid cache
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* (e.g. decrement refcount).
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*/
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void Curl_ssl_delsessionid(struct Curl_easy *data, void *ssl_sessionid);
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/* get N random bytes into the buffer */
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CURLcode Curl_ssl_random(struct Curl_easy *data, unsigned char *buffer,
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size_t length);
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/* Check pinned public key. */
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CURLcode Curl_pin_peer_pubkey(struct Curl_easy *data,
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const char *pinnedpubkey,
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const unsigned char *pubkey, size_t pubkeylen);
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bool Curl_ssl_cert_status_request(void);
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bool Curl_ssl_false_start(void);
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#define SSL_SHUTDOWN_TIMEOUT 10000 /* ms */
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#else /* if not USE_SSL */
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/* When SSL support is not present, just define away these function calls */
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#define Curl_ssl_init() 1
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#define Curl_ssl_cleanup() Curl_nop_stmt
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#define Curl_ssl_connect(x,y,z) CURLE_NOT_BUILT_IN
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#define Curl_ssl_close_all(x) Curl_nop_stmt
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#define Curl_ssl_close(x,y,z) Curl_nop_stmt
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#define Curl_ssl_shutdown(x,y,z) CURLE_NOT_BUILT_IN
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#define Curl_ssl_set_engine(x,y) CURLE_NOT_BUILT_IN
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#define Curl_ssl_set_engine_default(x) CURLE_NOT_BUILT_IN
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#define Curl_ssl_engines_list(x) NULL
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#define Curl_ssl_send(a,b,c,d,e) -1
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#define Curl_ssl_recv(a,b,c,d,e) -1
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#define Curl_ssl_initsessions(x,y) CURLE_OK
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#define Curl_ssl_data_pending(x,y) 0
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#define Curl_ssl_check_cxn(x) 0
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#define Curl_ssl_free_certinfo(x) Curl_nop_stmt
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#define Curl_ssl_connect_nonblocking(x,y,z,w) CURLE_NOT_BUILT_IN
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#define Curl_ssl_kill_session(x) Curl_nop_stmt
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#define Curl_ssl_random(x,y,z) ((void)x, CURLE_NOT_BUILT_IN)
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#define Curl_ssl_cert_status_request() FALSE
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#define Curl_ssl_false_start() FALSE
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#define Curl_ssl_tls13_ciphersuites() FALSE
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#endif
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#endif /* HEADER_CURL_VTLS_H */
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