Files correlati : omento : Aggiornata cUrl alla ultima versione su Github: 7.56.1 git-svn-id: svn://10.65.10.50/branches/R_10_00@24202 c028cbd2-c16b-5b4b-a496-9718f37d4682
		
			
				
	
	
		
			275 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			275 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #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 - 2017, 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.haxx.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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| 
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| struct connectdata;
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| struct ssl_connect_data;
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| 
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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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| 
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|   unsigned have_ca_path:1;      /* supports CAPATH */
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|   unsigned have_certinfo:1;     /* supports CURLOPT_CERTINFO */
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|   unsigned have_pinnedpubkey:1; /* supports CURLOPT_PINNEDPUBLICKEY */
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|   unsigned have_ssl_ctx:1;      /* supports CURLOPT_SSL_CTX_* */
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| 
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|   unsigned support_https_proxy:1; /* supports access via HTTPS proxies */
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| 
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|   size_t sizeof_ssl_backend_data;
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| 
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|   int (*init)(void);
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|   void (*cleanup)(void);
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| 
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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 (*shutdown)(struct connectdata *conn, int sockindex);
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|   bool (*data_pending)(const struct connectdata *conn,
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|                        int connindex);
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| 
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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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| 
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|   CURLcode (*connect)(struct connectdata *conn, int sockindex);
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|   CURLcode (*connect_nonblocking)(struct connectdata *conn, int sockindex,
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|                                   bool *done);
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|   void *(*get_internals)(struct ssl_connect_data *connssl, CURLINFO info);
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|   void (*close_one)(struct connectdata *conn, 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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| 
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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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| 
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|   bool (*false_start)(void);
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| 
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|   CURLcode (*md5sum)(unsigned char *input, size_t inputlen,
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|                      unsigned char *md5sum, size_t md5sumlen);
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|   void (*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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| 
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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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| 
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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 connectdata *conn, 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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| CURLcode Curl_none_md5sum(unsigned char *input, size_t inputlen,
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|                           unsigned char *md5sum, size_t md5len);
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| 
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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 "polarssl.h"       /* PolarSSL versions */
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| #include "axtls.h"          /* axTLS versions */
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| #include "cyassl.h"         /* CyaSSL versions */
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| #include "schannel.h"       /* Schannel SSPI version */
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| #include "darwinssl.h"      /* SecureTransport (Darwin) version */
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| #include "mbedtls.h"        /* mbedTLS versions */
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| 
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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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| 
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| #ifndef MD5_DIGEST_LENGTH
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| #define MD5_DIGEST_LENGTH 16 /* fixed size */
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| #endif
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| 
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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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| 
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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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| 
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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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| 
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| #define SSL_IS_PROXY() (CURLPROXY_HTTPS == conn->http_proxy.proxytype && \
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|   ssl_connection_complete != 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) (SSL_IS_PROXY() ? data->set.proxy_ssl.var : \
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|                              data->set.ssl.var)
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| #define SSL_CONN_CONFIG(var) (SSL_IS_PROXY() ?          \
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|   conn->proxy_ssl_config.var : conn->ssl_config.var)
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| 
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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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| int Curl_ssl_getsock(struct connectdata *conn, curl_socket_t *socks,
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|                      int numsocks);
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| 
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| int Curl_ssl_backend(void);
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| 
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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 connectdata *conn, int sockindex);
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| CURLcode Curl_ssl_connect_nonblocking(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 connectdata *conn, int sockindex);
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| CURLcode Curl_ssl_shutdown(struct connectdata *conn, 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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| 
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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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| 
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| /* Certificate information list handling. */
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| 
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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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| 
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| /* Functions to be used by SSL library adaptation functions */
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| 
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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 connectdata *conn);
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| 
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| /* Unlock session cache mutex */
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| void Curl_ssl_sessionid_unlock(struct connectdata *conn);
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| 
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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 connectdata *conn,
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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 connectdata *conn,
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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 connectdata *conn, void *ssl_sessionid);
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| 
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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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| CURLcode Curl_ssl_md5sum(unsigned char *tmp, /* input */
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|                          size_t tmplen,
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|                          unsigned char *md5sum, /* output */
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|                          size_t md5len);
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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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| 
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| bool Curl_ssl_cert_status_request(void);
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| 
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| bool Curl_ssl_false_start(void);
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| 
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| #define SSL_SHUTDOWN_TIMEOUT 10000 /* ms */
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| 
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| #else
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| 
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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) 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) Curl_nop_stmt
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| #define Curl_ssl_shutdown(x,y) 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_version(x,y) 0
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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) 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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| #endif
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| 
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| #endif /* HEADER_CURL_VTLS_H */
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