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#ifndef HEADER_CURL_VTLS_H
#define HEADER_CURL_VTLS_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "curl_setup.h"
#include "openssl.h" /* OpenSSL versions */
#include "gtls.h" /* GnuTLS versions */
#include "nssg.h" /* NSS versions */
#include "gskit.h" /* Global Secure ToolKit versions */
#include "polarssl.h" /* PolarSSL versions */
#include "axtls.h" /* axTLS versions */
#include "cyassl.h" /* CyaSSL versions */
#include "schannel.h" /* Schannel SSPI version */
#include "darwinssl.h" /* SecureTransport (Darwin) version */
#ifndef MAX_PINNED_PUBKEY_SIZE
#define MAX_PINNED_PUBKEY_SIZE 1048576 /* 1MB */
#endif
#ifndef MD5_DIGEST_LENGTH
#define MD5_DIGEST_LENGTH 16 /* fixed size */
#endif
#ifndef SHA256_DIGEST_LENGTH
#define SHA256_DIGEST_LENGTH 32 /* fixed size */
#endif
/* see http://tools.ietf.org/html/draft-ietf-tls-applayerprotoneg-04 */
#define ALPN_HTTP_1_1_LENGTH 8
#define ALPN_HTTP_1_1 "http/1.1"
bool Curl_ssl_config_matches(struct ssl_config_data* data,
struct ssl_config_data* needle);
bool Curl_clone_ssl_config(struct ssl_config_data* source,
struct ssl_config_data* dest);
void Curl_free_ssl_config(struct ssl_config_data* sslc);
unsigned int Curl_rand(struct SessionHandle *);
int Curl_ssl_backend(void);
#ifdef USE_SSL
int Curl_ssl_init(void);
void Curl_ssl_cleanup(void);
CURLcode Curl_ssl_connect(struct connectdata *conn, int sockindex);
CURLcode Curl_ssl_connect_nonblocking(struct connectdata *conn,
int sockindex,
bool *done);
/* tell the SSL stuff to close down all open information regarding
connections (and thus session ID caching etc) */
void Curl_ssl_close_all(struct SessionHandle *data);
void Curl_ssl_close(struct connectdata *conn, int sockindex);
CURLcode Curl_ssl_shutdown(struct connectdata *conn, int sockindex);
CURLcode Curl_ssl_set_engine(struct SessionHandle *data, const char *engine);
/* Sets engine as default for all SSL operations */
CURLcode Curl_ssl_set_engine_default(struct SessionHandle *data);
struct curl_slist *Curl_ssl_engines_list(struct SessionHandle *data);
/* init the SSL session ID cache */
CURLcode Curl_ssl_initsessions(struct SessionHandle *, size_t);
size_t Curl_ssl_version(char *buffer, size_t size);
bool Curl_ssl_data_pending(const struct connectdata *conn,
int connindex);
int Curl_ssl_check_cxn(struct connectdata *conn);
/* Certificate information list handling. */
void Curl_ssl_free_certinfo(struct SessionHandle *data);
CURLcode Curl_ssl_init_certinfo(struct SessionHandle * data, int num);
CURLcode Curl_ssl_push_certinfo_len(struct SessionHandle * data, int certnum,
const char * label, const char * value,
size_t valuelen);
CURLcode Curl_ssl_push_certinfo(struct SessionHandle * data, int certnum,
const char * label, const char * value);
/* Functions to be used by SSL library adaptation functions */
/* extract a session ID */
bool Curl_ssl_getsessionid(struct connectdata *conn,
void **ssl_sessionid,
size_t *idsize) /* set 0 if unknown */;
/* add a new session ID */
CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
void *ssl_sessionid,
size_t idsize);
/* Kill a single session ID entry in the cache */
void Curl_ssl_kill_session(struct curl_ssl_session *session);
/* delete a session from the cache */
void Curl_ssl_delsessionid(struct connectdata *conn, void *ssl_sessionid);
/* get N random bytes into the buffer, return 0 if a find random is filled
in */
int Curl_ssl_random(struct SessionHandle *data, unsigned char *buffer,
size_t length);
CURLcode Curl_ssl_md5sum(unsigned char *tmp, /* input */
size_t tmplen,
unsigned char *md5sum, /* output */
size_t md5len);
/* Check pinned public key. */
CURLcode Curl_pin_peer_pubkey(struct SessionHandle *data,
const char *pinnedpubkey,
const unsigned char *pubkey, size_t pubkeylen);
bool Curl_ssl_cert_status_request(void);
bool Curl_ssl_false_start(void);
#define SSL_SHUTDOWN_TIMEOUT 10000 /* ms */
#else
/* Set the API backend definition to none */
#define CURL_SSL_BACKEND CURLSSLBACKEND_NONE
/* When SSL support is not present, just define away these function calls */
#define Curl_ssl_init() 1
#define Curl_ssl_cleanup() Curl_nop_stmt
#define Curl_ssl_connect(x,y) CURLE_NOT_BUILT_IN
#define Curl_ssl_close_all(x) Curl_nop_stmt
#define Curl_ssl_close(x,y) Curl_nop_stmt
#define Curl_ssl_shutdown(x,y) CURLE_NOT_BUILT_IN
#define Curl_ssl_set_engine(x,y) CURLE_NOT_BUILT_IN
#define Curl_ssl_set_engine_default(x) CURLE_NOT_BUILT_IN
#define Curl_ssl_engines_list(x) NULL
#define Curl_ssl_send(a,b,c,d,e) -1
#define Curl_ssl_recv(a,b,c,d,e) -1
#define Curl_ssl_initsessions(x,y) CURLE_OK
#define Curl_ssl_version(x,y) 0
#define Curl_ssl_data_pending(x,y) 0
#define Curl_ssl_check_cxn(x) 0
#define Curl_ssl_free_certinfo(x) Curl_nop_stmt
#define Curl_ssl_connect_nonblocking(x,y,z) CURLE_NOT_BUILT_IN
#define Curl_ssl_kill_session(x) Curl_nop_stmt
#define Curl_ssl_random(x,y,z) ((void)x, CURLE_NOT_BUILT_IN)
#define Curl_ssl_cert_status_request() FALSE
#define Curl_ssl_false_start() FALSE
#endif
#endif /* HEADER_CURL_VTLS_H */
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