259 lines
9.5 KiB
C
259 lines
9.5 KiB
C
#ifndef HEADER_CURL_VTLS_H
|
|
#define HEADER_CURL_VTLS_H
|
|
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) 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.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.
|
|
*
|
|
* SPDX-License-Identifier: curl
|
|
*
|
|
***************************************************************************/
|
|
#include "curl_setup.h"
|
|
|
|
struct connectdata;
|
|
struct ssl_config_data;
|
|
struct ssl_primary_config;
|
|
struct Curl_ssl_session;
|
|
|
|
#define SSLSUPP_CA_PATH (1<<0) /* supports CAPATH */
|
|
#define SSLSUPP_CERTINFO (1<<1) /* supports CURLOPT_CERTINFO */
|
|
#define SSLSUPP_PINNEDPUBKEY (1<<2) /* supports CURLOPT_PINNEDPUBLICKEY */
|
|
#define SSLSUPP_SSL_CTX (1<<3) /* supports CURLOPT_SSL_CTX */
|
|
#define SSLSUPP_HTTPS_PROXY (1<<4) /* supports access via HTTPS proxies */
|
|
#define SSLSUPP_TLS13_CIPHERSUITES (1<<5) /* supports TLS 1.3 ciphersuites */
|
|
#define SSLSUPP_CAINFO_BLOB (1<<6)
|
|
|
|
#define ALPN_ACCEPTED "ALPN: server accepted "
|
|
|
|
#define VTLS_INFOF_NO_ALPN \
|
|
"ALPN: server did not agree on a protocol. Uses default."
|
|
#define VTLS_INFOF_ALPN_OFFER_1STR \
|
|
"ALPN: curl offers %s"
|
|
#define VTLS_INFOF_ALPN_ACCEPTED_1STR \
|
|
ALPN_ACCEPTED "%s"
|
|
#define VTLS_INFOF_ALPN_ACCEPTED_LEN_1STR \
|
|
ALPN_ACCEPTED "%.*s"
|
|
|
|
/* Curl_multi SSL backend-specific data; declared differently by each SSL
|
|
backend */
|
|
struct multi_ssl_backend_data;
|
|
struct Curl_cfilter;
|
|
|
|
CURLsslset Curl_init_sslset_nolock(curl_sslbackend id, const char *name,
|
|
const curl_ssl_backend ***avail);
|
|
|
|
#ifndef MAX_PINNED_PUBKEY_SIZE
|
|
#define MAX_PINNED_PUBKEY_SIZE 1048576 /* 1MB */
|
|
#endif
|
|
|
|
#ifndef CURL_SHA256_DIGEST_LENGTH
|
|
#define CURL_SHA256_DIGEST_LENGTH 32 /* fixed size */
|
|
#endif
|
|
|
|
curl_sslbackend Curl_ssl_backend(void);
|
|
|
|
/**
|
|
* Init ssl config for a new easy handle.
|
|
*/
|
|
void Curl_ssl_easy_config_init(struct Curl_easy *data);
|
|
|
|
/**
|
|
* Init the `data->set.ssl` and `data->set.proxy_ssl` for
|
|
* connection matching use.
|
|
*/
|
|
CURLcode Curl_ssl_easy_config_complete(struct Curl_easy *data);
|
|
|
|
/**
|
|
* Init SSL configs (main + proxy) for a new connection from the easy handle.
|
|
*/
|
|
CURLcode Curl_ssl_conn_config_init(struct Curl_easy *data,
|
|
struct connectdata *conn);
|
|
|
|
/**
|
|
* Free allocated resources in SSL configs (main + proxy) for
|
|
* the given connection.
|
|
*/
|
|
void Curl_ssl_conn_config_cleanup(struct connectdata *conn);
|
|
|
|
/**
|
|
* Return TRUE iff SSL configuration from `conn` is functionally the
|
|
* same as the one on `candidate`.
|
|
* @param proxy match the proxy SSL config or the main one
|
|
*/
|
|
bool Curl_ssl_conn_config_match(struct Curl_easy *data,
|
|
struct connectdata *candidate,
|
|
bool proxy);
|
|
|
|
/* Update certain connection SSL config flags after they have
|
|
* been changed on the easy handle. Will work for `verifypeer`,
|
|
* `verifyhost` and `verifystatus`. */
|
|
void Curl_ssl_conn_config_update(struct Curl_easy *data, bool for_proxy);
|
|
|
|
/**
|
|
* Init SSL peer information for filter. Can be called repeatedly.
|
|
*/
|
|
CURLcode Curl_ssl_peer_init(struct ssl_peer *peer, struct Curl_cfilter *cf);
|
|
/**
|
|
* Free all allocated data and reset peer information.
|
|
*/
|
|
void Curl_ssl_peer_cleanup(struct ssl_peer *peer);
|
|
|
|
#ifdef USE_SSL
|
|
int Curl_ssl_init(void);
|
|
void Curl_ssl_cleanup(void);
|
|
/* 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);
|
|
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);
|
|
void Curl_ssl_version(char *buffer, size_t size);
|
|
|
|
/* 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 Curl_easy *data);
|
|
|
|
/* Unlock session cache mutex */
|
|
void Curl_ssl_sessionid_unlock(struct Curl_easy *data);
|
|
|
|
/* 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 Curl_easy *data, void *ssl_sessionid);
|
|
|
|
/* get N random bytes into the buffer */
|
|
CURLcode Curl_ssl_random(struct Curl_easy *data, unsigned char *buffer,
|
|
size_t length);
|
|
/* 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(struct Curl_easy *data);
|
|
|
|
void Curl_free_multi_ssl_backend_data(struct multi_ssl_backend_data *mbackend);
|
|
|
|
#define SSL_SHUTDOWN_TIMEOUT 10000 /* ms */
|
|
|
|
CURLcode Curl_ssl_cfilter_add(struct Curl_easy *data,
|
|
struct connectdata *conn,
|
|
int sockindex);
|
|
|
|
CURLcode Curl_cf_ssl_insert_after(struct Curl_cfilter *cf_at,
|
|
struct Curl_easy *data);
|
|
|
|
CURLcode Curl_ssl_cfilter_remove(struct Curl_easy *data,
|
|
int sockindex);
|
|
|
|
#ifndef CURL_DISABLE_PROXY
|
|
CURLcode Curl_cf_ssl_proxy_insert_after(struct Curl_cfilter *cf_at,
|
|
struct Curl_easy *data);
|
|
#endif /* !CURL_DISABLE_PROXY */
|
|
|
|
/**
|
|
* True iff the underlying SSL implementation supports the option.
|
|
* Option is one of the defined SSLSUPP_* values.
|
|
* `data` maybe NULL for the features of the default implementation.
|
|
*/
|
|
bool Curl_ssl_supports(struct Curl_easy *data, int ssl_option);
|
|
|
|
/**
|
|
* Get the internal ssl instance (like OpenSSL's SSL*) from the filter
|
|
* chain at `sockindex` of type specified by `info`.
|
|
* For `n` == 0, the first active (top down) instance is returned.
|
|
* 1 gives the second active, etc.
|
|
* NULL is returned when no active SSL filter is present.
|
|
*/
|
|
void *Curl_ssl_get_internals(struct Curl_easy *data, int sockindex,
|
|
CURLINFO info, int n);
|
|
|
|
/**
|
|
* Get the ssl_config_data in `data` that is relevant for cfilter `cf`.
|
|
*/
|
|
struct ssl_config_data *Curl_ssl_cf_get_config(struct Curl_cfilter *cf,
|
|
struct Curl_easy *data);
|
|
|
|
/**
|
|
* Get the primary config relevant for the filter from its connection.
|
|
*/
|
|
struct ssl_primary_config *
|
|
Curl_ssl_cf_get_primary_config(struct Curl_cfilter *cf);
|
|
|
|
extern struct Curl_cftype Curl_cft_ssl;
|
|
#ifndef CURL_DISABLE_PROXY
|
|
extern struct Curl_cftype Curl_cft_ssl_proxy;
|
|
#endif
|
|
|
|
#else /* if not USE_SSL */
|
|
|
|
/* 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_close_all(x) Curl_nop_stmt
|
|
#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_initsessions(x,y) CURLE_OK
|
|
#define Curl_ssl_free_certinfo(x) Curl_nop_stmt
|
|
#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(a) FALSE
|
|
#define Curl_ssl_get_internals(a,b,c,d) NULL
|
|
#define Curl_ssl_supports(a,b) FALSE
|
|
#define Curl_ssl_cfilter_add(a,b,c) CURLE_NOT_BUILT_IN
|
|
#define Curl_ssl_cfilter_remove(a,b) CURLE_OK
|
|
#define Curl_ssl_cf_get_config(a,b) NULL
|
|
#define Curl_ssl_cf_get_primary_config(a) NULL
|
|
#endif
|
|
|
|
#endif /* HEADER_CURL_VTLS_H */
|