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191 lines
7.7 KiB
191 lines
7.7 KiB
#ifndef HEADER_CURL_VTLS_INT_H
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#define HEADER_CURL_VTLS_INT_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 - 2022, 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.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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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "curl_setup.h"
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#include "cfilters.h"
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#include "urldata.h"
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#ifdef USE_SSL
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/* Information in each SSL cfilter context: cf->ctx */
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struct ssl_connect_data {
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ssl_connection_state state;
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ssl_connect_state connecting_state;
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const char *hostname; /* hostnaem for verification */
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const char *dispname; /* display version of hostname */
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int port; /* remote port at origin */
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struct ssl_backend_data *backend; /* vtls backend specific props */
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struct Curl_easy *call_data; /* data handle used in current call,
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* same as parameter passed, but available
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* here for backend internal callbacks
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* that need it. NULLed after at the
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* end of each vtls filter invcocation. */
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};
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/* Definitions for SSL Implementations */
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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 int supports; /* bitfield, see above */
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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 Curl_cfilter *cf, struct Curl_easy *data);
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int (*shut_down)(struct Curl_cfilter *cf,
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struct Curl_easy *data);
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bool (*data_pending)(struct Curl_cfilter *cf,
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const struct Curl_easy *data);
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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_blocking)(struct Curl_cfilter *cf,
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struct Curl_easy *data);
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CURLcode (*connect_nonblocking)(struct Curl_cfilter *cf,
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struct Curl_easy *data,
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bool *done);
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/* If the SSL backend wants to read or write on this connection during a
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handshake, set socks[0] to the connection's FIRSTSOCKET, and return
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a bitmap indicating read or write with GETSOCK_WRITESOCK(0) or
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GETSOCK_READSOCK(0). Otherwise return GETSOCK_BLANK.
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Mandatory. */
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int (*get_select_socks)(struct Curl_cfilter *cf, struct Curl_easy *data,
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curl_socket_t *socks);
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void *(*get_internals)(struct ssl_connect_data *connssl, CURLINFO info);
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void (*close)(struct Curl_cfilter *cf, struct Curl_easy *data);
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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 (*sha256sum)(const unsigned char *input, size_t inputlen,
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unsigned char *sha256sum, size_t sha256sumlen);
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bool (*attach_data)(struct Curl_cfilter *cf, struct Curl_easy *data);
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void (*detach_data)(struct Curl_cfilter *cf, struct Curl_easy *data);
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void (*free_multi_ssl_backend_data)(struct multi_ssl_backend_data *mbackend);
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ssize_t (*recv_plain)(struct Curl_cfilter *cf, struct Curl_easy *data,
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char *buf, size_t len, CURLcode *code);
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ssize_t (*send_plain)(struct Curl_cfilter *cf, struct Curl_easy *data,
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const void *mem, size_t len, CURLcode *code);
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};
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extern const struct Curl_ssl *Curl_ssl;
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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 Curl_cfilter *cf, struct Curl_easy *data);
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int Curl_none_check_cxn(struct Curl_cfilter *cf, struct Curl_easy *data);
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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(struct Curl_cfilter *cf,
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const struct Curl_easy *data);
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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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int Curl_ssl_get_select_socks(struct Curl_cfilter *cf, struct Curl_easy *data,
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curl_socket_t *socks);
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/**
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* Get the ssl_config_data in `data` that is relevant for cfilter `cf`.
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*/
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struct ssl_config_data *Curl_ssl_cf_get_config(struct Curl_cfilter *cf,
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struct Curl_easy *data);
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/**
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* Get the primary config relevant for the filter from its connection.
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*/
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struct ssl_primary_config *
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Curl_ssl_cf_get_primary_config(struct Curl_cfilter *cf);
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/**
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* Get the first SSL filter in the chain starting with `cf`, or NULL.
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*/
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struct Curl_cfilter *Curl_ssl_cf_get_ssl(struct Curl_cfilter *cf);
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/**
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* Get the SSL filter below the given one or NULL if there is none.
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*/
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bool Curl_ssl_cf_is_proxy(struct Curl_cfilter *cf);
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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 Curl_cfilter *cf,
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struct Curl_easy *data,
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void **ssl_sessionid,
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size_t *idsize); /* set 0 if unknown */
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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 Curl_cfilter *cf,
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struct Curl_easy *data,
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void *ssl_sessionid,
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size_t idsize,
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bool *added);
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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 "wolfssl.h" /* wolfSSL versions */
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#include "schannel.h" /* Schannel SSPI version */
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#include "sectransp.h" /* SecureTransport (Darwin) version */
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#include "mbedtls.h" /* mbedTLS versions */
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#include "bearssl.h" /* BearSSL versions */
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#include "rustls.h" /* rustls versions */
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#endif /* USE_SSL */
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#endif /* HEADER_CURL_VTLS_INT_H */
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