#ifndef HEADER_CURL_VTLS_H #define HEADER_CURL_VTLS_H /*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) 1998 - 2016, Daniel Stenberg, , 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 */