9fdb0030c4
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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struct connectdata;
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struct ssl_connect_data;
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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 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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unsigned support_https_proxy:1; /* supports access via HTTPS proxies */
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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 (*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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/* 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)(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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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 (*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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#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 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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#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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#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 MD5_DIGEST_LENGTH
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#define MD5_DIGEST_LENGTH 16 /* fixed size */
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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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#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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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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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 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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/* 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 connectdata *conn);
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/* Unlock session cache mutex */
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void Curl_ssl_sessionid_unlock(struct connectdata *conn);
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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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/* 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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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
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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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#endif /* HEADER_CURL_VTLS_H */
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