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curl/lib/vtls/vtls.h
Daniel Stenberg dbadaebfc4 checksrc: code style: use 'char *name' style
2016-11-24 23:58:22 +01:00

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#ifndef HEADER_CURL_VTLS_H
#define HEADER_CURL_VTLS_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2016, 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 https://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 */
#include "mbedtls.h" /* mbedTLS versions */
#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 https://tools.ietf.org/html/draft-ietf-tls-applayerprotoneg-04 */
#define ALPN_HTTP_1_1_LENGTH 8
#define ALPN_HTTP_1_1 "http/1.1"
/* set of helper macros for the backends to access the correct fields. For the
proxy or for the remote host - to properly support HTTPS proxy */
#define SSL_IS_PROXY() (CURLPROXY_HTTPS == conn->http_proxy.proxytype && \
ssl_connection_complete != conn->proxy_ssl[conn->sock[SECONDARYSOCKET] == \
CURL_SOCKET_BAD ? FIRSTSOCKET : SECONDARYSOCKET].state)
#define SSL_SET_OPTION(var) (SSL_IS_PROXY() ? data->set.proxy_ssl.var : \
data->set.ssl.var)
#define SSL_CONN_CONFIG(var) (SSL_IS_PROXY() ? \
conn->proxy_ssl_config.var : conn->ssl_config.var)
bool Curl_ssl_config_matches(struct ssl_primary_config* data,
struct ssl_primary_config* needle);
bool Curl_clone_primary_ssl_config(struct ssl_primary_config *source,
struct ssl_primary_config *dest);
void Curl_free_primary_ssl_config(struct ssl_primary_config* sslc);
int Curl_ssl_getsock(struct connectdata *conn, curl_socket_t *socks,
int numsocks);
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 Curl_easy *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 Curl_easy *data, const char *engine);
/* Sets engine as default for all SSL operations */
CURLcode Curl_ssl_set_engine_default(struct Curl_easy *data);
struct curl_slist *Curl_ssl_engines_list(struct Curl_easy *data);
/* init the SSL session ID cache */
CURLcode Curl_ssl_initsessions(struct Curl_easy *, 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 Curl_easy *data);
CURLcode Curl_ssl_init_certinfo(struct Curl_easy *data, int num);
CURLcode Curl_ssl_push_certinfo_len(struct Curl_easy *data, int certnum,
const char *label, const char *value,
size_t valuelen);
CURLcode Curl_ssl_push_certinfo(struct Curl_easy *data, int certnum,
const char *label, const char *value);
/* Functions to be used by SSL library adaptation functions */
/* Lock session cache mutex.
* Call this before calling other Curl_ssl_*session* functions
* Caller should unlock this mutex as soon as possible, as it may block
* other SSL connection from making progress.
* The purpose of explicitly locking SSL session cache data is to allow
* individual SSL engines to manage session lifetime in their specific way.
*/
void Curl_ssl_sessionid_lock(struct connectdata *conn);
/* Unlock session cache mutex */
void Curl_ssl_sessionid_unlock(struct connectdata *conn);
/* extract a session ID
* Sessionid mutex must be locked (see Curl_ssl_sessionid_lock).
* Caller must make sure that the ownership of returned sessionid object
* is properly taken (e.g. its refcount is incremented
* under sessionid mutex).
*/
bool Curl_ssl_getsessionid(struct connectdata *conn,
void **ssl_sessionid,
size_t *idsize, /* set 0 if unknown */
int sockindex);
/* add a new session ID
* Sessionid mutex must be locked (see Curl_ssl_sessionid_lock).
* Caller must ensure that it has properly shared ownership of this sessionid
* object with cache (e.g. incrementing refcount on success)
*/
CURLcode Curl_ssl_addsessionid(struct connectdata *conn,
void *ssl_sessionid,
size_t idsize,
int sockindex);
/* Kill a single session ID entry in the cache
* Sessionid mutex must be locked (see Curl_ssl_sessionid_lock).
* This will call engine-specific curlssl_session_free function, which must
* take sessionid object ownership from sessionid cache
* (e.g. decrement refcount).
*/
void Curl_ssl_kill_session(struct curl_ssl_session *session);
/* delete a session from the cache
* Sessionid mutex must be locked (see Curl_ssl_sessionid_lock).
* This will call engine-specific curlssl_session_free function, which must
* take sessionid object ownership from sessionid cache
* (e.g. decrement refcount).
*/
void Curl_ssl_delsessionid(struct connectdata *conn, void *ssl_sessionid);
/* get N random bytes into the buffer */
CURLcode Curl_ssl_random(struct Curl_easy *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 Curl_easy *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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