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Diffstat (limited to 'libs/libcurl/src/vtls/vtls.h')
| -rw-r--r-- | libs/libcurl/src/vtls/vtls.h | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/libs/libcurl/src/vtls/vtls.h b/libs/libcurl/src/vtls/vtls.h new file mode 100644 index 0000000000..c5f9d4a3fa --- /dev/null +++ b/libs/libcurl/src/vtls/vtls.h @@ -0,0 +1,274 @@ +#ifndef HEADER_CURL_VTLS_H +#define HEADER_CURL_VTLS_H +/*************************************************************************** + * _ _ ____ _ + * Project ___| | | | _ \| | + * / __| | | | |_) | | + * | (__| |_| | _ <| |___ + * \___|\___/|_| \_\_____| + * + * Copyright (C) 1998 - 2017, 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" + +struct connectdata; +struct ssl_connect_data; + +struct Curl_ssl { + /* + * This *must* be the first entry to allow returning the list of available + * backends in curl_global_sslset(). + */ + curl_ssl_backend info; + + unsigned have_ca_path:1; /* supports CAPATH */ + unsigned have_certinfo:1; /* supports CURLOPT_CERTINFO */ + unsigned have_pinnedpubkey:1; /* supports CURLOPT_PINNEDPUBLICKEY */ + unsigned have_ssl_ctx:1; /* supports CURLOPT_SSL_CTX_* */ + + unsigned support_https_proxy:1; /* supports access via HTTPS proxies */ + + size_t sizeof_ssl_backend_data; + + int (*init)(void); + void (*cleanup)(void); + + size_t (*version)(char *buffer, size_t size); + int (*check_cxn)(struct connectdata *cxn); + int (*shutdown)(struct connectdata *conn, int sockindex); + bool (*data_pending)(const struct connectdata *conn, + int connindex); + + /* return 0 if a find random is filled in */ + CURLcode (*random)(struct Curl_easy *data, unsigned char *entropy, + size_t length); + bool (*cert_status_request)(void); + + CURLcode (*connect)(struct connectdata *conn, int sockindex); + CURLcode (*connect_nonblocking)(struct connectdata *conn, int sockindex, + bool *done); + void *(*get_internals)(struct ssl_connect_data *connssl, CURLINFO info); + void (*close_one)(struct connectdata *conn, int sockindex); + void (*close_all)(struct Curl_easy *data); + void (*session_free)(void *ptr); + + CURLcode (*set_engine)(struct Curl_easy *data, const char *engine); + CURLcode (*set_engine_default)(struct Curl_easy *data); + struct curl_slist *(*engines_list)(struct Curl_easy *data); + + bool (*false_start)(void); + + CURLcode (*md5sum)(unsigned char *input, size_t inputlen, + unsigned char *md5sum, size_t md5sumlen); + void (*sha256sum)(const unsigned char *input, size_t inputlen, + unsigned char *sha256sum, size_t sha256sumlen); +}; + +#ifdef USE_SSL +extern const struct Curl_ssl *Curl_ssl; +#endif + +int Curl_none_init(void); +void Curl_none_cleanup(void); +int Curl_none_shutdown(struct connectdata *conn, int sockindex); +int Curl_none_check_cxn(struct connectdata *conn); +CURLcode Curl_none_random(struct Curl_easy *data, unsigned char *entropy, + size_t length); +void Curl_none_close_all(struct Curl_easy *data); +void Curl_none_session_free(void *ptr); +bool Curl_none_data_pending(const struct connectdata *conn, int connindex); +bool Curl_none_cert_status_request(void); +CURLcode Curl_none_set_engine(struct Curl_easy *data, const char *engine); +CURLcode Curl_none_set_engine_default(struct Curl_easy *data); +struct curl_slist *Curl_none_engines_list(struct Curl_easy *data); +bool Curl_none_false_start(void); +CURLcode Curl_none_md5sum(unsigned char *input, size_t inputlen, + unsigned char *md5sum, size_t md5len); + +#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 CURL_SHA256_DIGEST_LENGTH +#define CURL_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 + +/* 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 */ |